flash_v2: packages/hal/common/current/src/hal

annotate packages/hal/common/current/src/hal_stub.c @ 1777:c16341b1bac6 default tip

* Added execute permissions to files missed in conversion from CVS

author	alexs
date	Mon, 12 Oct 2009 02:26:09 +0100
parents	ca8bb447fe5f
children

rev	line source
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	2 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	3 // hal_stub.c
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	4 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	5 // Helper functions for stub, specific to eCos HAL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	6 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	7 //=============================================================================
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	8 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	9 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	10 // This file is part of eCos, the Embedded Configurable Operating System.
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	11 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	12 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	13 // eCos is free software; you can redistribute it and/or modify it under
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	14 // the terms of the GNU General Public License as published by the Free
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	15 // Software Foundation; either version 2 or (at your option) any later version.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	16 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	20 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	21 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	22 // You should have received a copy of the GNU General Public License along
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	23 // with eCos; if not, write to the Free Software Foundation, Inc.,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	25 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	26 // As a special exception, if other files instantiate templates or use macros
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	27 // or inline functions from this file, or you compile this file and link it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	28 // with other works to produce a work based on this file, this file does not
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	29 // by itself cause the resulting work to be covered by the GNU General Public
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	30 // License. However the source code for this file must still be made available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	31 // in accordance with section (3) of the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	32 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	33 // This exception does not invalidate any other reasons why a work based on
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	34 // this file might be covered by the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	35 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	37 // at http://sources.redhat.com/ecos/ecos-license/
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	38 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	39 //####ECOSGPLCOPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	40 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	41 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	42 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	43 // Author(s): jskov (based on powerpc/cogent hal_stub.c)
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	44 // Contributors:jskov, dmoseley
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	45 // Date: 1999-02-12
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	46 // Purpose: Helper functions for stub, specific to eCos HAL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	47 // Description: Parts of the GDB stub requirements are provided by
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	48 // the eCos HAL, rather than target and/or board specific
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	49 // code.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	50 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	51 //####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	52 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	53 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	54
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	55 #include <pkgconf/hal.h>
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	56 #ifdef CYGPKG_CYGMON
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	57 #include <pkgconf/cygmon.h>
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	58 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	59
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	60 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	61
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	62 #include <cyg/hal/hal_stub.h> // Our header
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	63
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	64 #include <cyg/hal/hal_arch.h> // HAL_BREAKINST
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	65 #include <cyg/hal/hal_cache.h> // HAL_xCACHE_x
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	66 #include <cyg/hal/hal_intr.h> // interrupt disable/restore
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	67
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	68 #include <cyg/hal/hal_if.h> // ROM calling interface
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	69 #include <cyg/hal/hal_misc.h> // Helper functions
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	70
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	71 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	72 #include <cyg/hal/dbg-threads-api.h> // dbg_currthread_id
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	73 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	74
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	75 #ifdef USE_LONG_NAMES_FOR_ENUM_REGNAMES
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	76 #ifndef PC
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	77 #define PC REG_PC
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	78 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	79 #ifndef SP
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	80 #define SP REG_SP
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	81 #endif
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	82 #endif
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	83
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	84 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	85 // Extra eCos data.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	86
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	87 // Some architectures use registers of different sizes, so NUMREGS
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	88 // alone is not suffucient to size the register save area. For those
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	89 // architectures, HAL_STUB_REGISTERS_SIZE is defined as the number
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	90 // of target_register_t sized elements in the register save area.
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	91 #ifndef HAL_STUB_REGISTERS_SIZE
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	92 #define HAL_STUB_REGISTERS_SIZE NUMREGS
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	93 #endif
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	94
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	95 // Saved registers.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	96 HAL_SavedRegisters *_hal_registers;
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	97 target_register_t registers[HAL_STUB_REGISTERS_SIZE];
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	98 target_register_t alt_registers[HAL_STUB_REGISTERS_SIZE] ; // Thread or saved process state
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	99 target_register_t * _registers = registers; // Pointer to current set of registers
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	100 #ifndef CYGPKG_REDBOOT
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	101 target_register_t orig_registers[HAL_STUB_REGISTERS_SIZE]; // Registers to get back to original state
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	102 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	103
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	104 #if defined(HAL_STUB_HW_WATCHPOINT) \|\| defined(HAL_STUB_HW_BREAKPOINT)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	105 static int _hw_stop_reason; // Reason we were stopped by hw.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	106
197 51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	107 //#define HAL_STUB_HW_SEND_STOP_REASON_TEXT
51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	108 #ifdef CYGINT_HAL_ARM_ARCH_XSCALE
51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	109 #define HAL_STUB_HW_SEND_STOP_REASON_TEXT
51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	110 #endif
51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	111
51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	112 #ifdef HAL_STUB_HW_SEND_STOP_REASON_TEXT
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	113 // strings indexed by hw stop reasons defined in hal_stub.h
197 51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	114
51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	115 // Not all GDBs understand this.
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	116 static const char * const _hw_stop_str[] = {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	117 "",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	118 "hbreak",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	119 "watch",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	120 "rwatch",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	121 "awatch"
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	122 };
197 51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	123 #endif // HAL_STUB_HW_SEND_STOP_REASON_TEXT
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	124
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	125 static void *_watch_data_addr; // The data address if stopped by watchpoint
197 51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	126 #endif // defined(HAL_STUB_HW_WATCHPOINT) \|\| defined(HAL_STUB_HW_BREAKPOINT)
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	127
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	128 // Register validity checking
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	129 #ifdef CYGHWR_REGISTER_VALIDITY_CHECKING
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	130 int registers_valid[NUMREGS];
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	131 int *_registers_valid = registers_valid;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	132 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	133
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	134 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	135 // Interrupt control.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	136 static volatile __PFI __interruptible_control;
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	137 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	138
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	139 // Some architectures need extras regs reported in T packet
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	140 #ifndef HAL_STUB_ARCH_T_PACKET_EXTRAS
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	141 #define HAL_STUB_ARCH_T_PACKET_EXTRAS(x)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	142 #endif
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	143
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	144 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	145 // Register access
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	146
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	147 #ifndef CYGARC_STUB_REGISTER_ACCESS_DEFINED
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	148 // Return the currently-saved value corresponding to register REG of
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	149 // the exception context.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	150 target_register_t
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	151 get_register (regnames_t reg)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	152 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	153 return _registers[reg];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	154 }
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	155 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	156
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	157 #ifdef CYGHWR_REGISTER_VALIDITY_CHECKING
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	158 // Return the validity of register REG.
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	159 int
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	160 get_register_valid (regnames_t reg)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	161 {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	162 return _registers_valid[reg];
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	163 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	164 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	165
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	166 #ifndef CYGARC_STUB_REGISTER_ACCESS_DEFINED
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	167 // Store VALUE in the register corresponding to WHICH in the exception
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	168 // context.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	169 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	170 put_register (regnames_t which, target_register_t value)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	171 {
183 9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	172 #ifdef CYGPKG_HAL_MIPS_VR4300
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	173 // This is a rather nasty kludge to compensate for the fact that
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	174 // the VR4300 GDB is rather old and does not support proper 64 bit
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	175 // registers. The only time this really matters is when setting
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	176 // the PC after loading an executable. So here we detect this case
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	177 // and artificially sign extend it.
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	178
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	179 if( which == PC && (value & 0x0000000080000000ULL ) )
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	180 {
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	181 value \|= 0xFFFFFFFF00000000ULL;
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	182 }
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	183 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	184 _registers[which] = value;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	185 }
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	186 #endif // CYGARC_STUB_REGISTER_ACCESS_DEFINED
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	187
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	188 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	189 // Serial stuff
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	190 #ifdef CYGPKG_CYGMON
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	191 extern void ecos_bsp_console_putc(char);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	192 extern char ecos_bsp_console_getc(void);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	193 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	194
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	195 // Write C to the current serial port.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	196 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	197 putDebugChar (int c)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	198 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	199 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	200 __call_if_debug_procs_t __debug_procs = CYGACC_CALL_IF_DEBUG_PROCS();
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	201 CYGACC_COMM_IF_PUTC(*__debug_procs, c);
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	202 #elif defined(CYGPKG_CYGMON)
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	203 ecos_bsp_console_putc(c);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	204 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	205 HAL_STUB_PLATFORM_PUT_CHAR(c);
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	206 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	207 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	208
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	209 // Read one character from the current serial port.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	210 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	211 getDebugChar (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	212 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	213 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	214 __call_if_debug_procs_t __debug_procs = CYGACC_CALL_IF_DEBUG_PROCS();
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	215 return CYGACC_COMM_IF_GETC(*__debug_procs);
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	216 #elif defined(CYGPKG_CYGMON)
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	217 return ecos_bsp_console_getc();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	218 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	219 return HAL_STUB_PLATFORM_GET_CHAR();
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	220 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	221 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	222
138 289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	223 // Flush output channel
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	224 void
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	225 hal_flush_output(void)
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	226 {
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	227 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	228 __call_if_debug_procs_t __debug_procs = CYGACC_CALL_IF_DEBUG_PROCS();
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	229 CYGACC_COMM_IF_CONTROL(*__debug_procs, __COMMCTL_FLUSH_OUTPUT);
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	230 #endif
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	231 }
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	232
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	233
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	234 // Set the baud rate for the current serial port.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	235 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	236 __set_baud_rate (int baud)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	237 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	238 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	239 __call_if_debug_procs_t __debug_procs = CYGACC_CALL_IF_DEBUG_PROCS();
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	240 CYGACC_COMM_IF_CONTROL(*__debug_procs, __COMMCTL_SETBAUD, baud);
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	241 #elif defined(CYGPKG_CYGMON)
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	242 // FIXME!
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	243 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	244 HAL_STUB_PLATFORM_SET_BAUD_RATE(baud);
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	245 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	246 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	247
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	248 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	249 // GDB interrupt (BREAK) support.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	250
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	251 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	252
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	253 #ifndef CYGPKG_HAL_ARM
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 34 diff changeset	254
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	255 #if (HAL_BREAKINST_SIZE == 1)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	256 typedef cyg_uint8 t_inst;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	257 #elif (HAL_BREAKINST_SIZE == 2)
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	258 typedef cyg_uint16 t_inst;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	259 #elif (HAL_BREAKINST_SIZE == 4)
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	260 typedef cyg_uint32 t_inst;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	261 #else
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	262 #error "Don't know how to handle that size"
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	263 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	264
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	265 typedef struct
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	266 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	267 t_inst *targetAddr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	268 t_inst savedInstr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	269 } instrBuffer;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	270
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	271 static instrBuffer break_buffer;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	272
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	273 volatile int cyg_hal_gdb_running_step = 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	274
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	275 void
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	276 cyg_hal_gdb_place_break (target_register_t pc)
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	277 {
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	278 cyg_hal_gdb_interrupt( pc ); // Let's hope this becomes a drop-through:
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	279 }
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	280
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	281 void
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	282 cyg_hal_gdb_interrupt (target_register_t pc)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	283 {
1655 ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	284 t_inst break_inst = HAL_BREAKINST;
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	285
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	286 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	287
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	288 // Clear flag that we Continued instead of Stepping
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	289 cyg_hal_gdb_running_step = 0;
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	290 // and override existing break? So that a ^C takes effect...
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	291 if (NULL != break_buffer.targetAddr)
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	292 cyg_hal_gdb_remove_break( (target_register_t)break_buffer.targetAddr );
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	293
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	294 if (NULL == break_buffer.targetAddr) {
1655 ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	295 // Not always safe to read/write directly to program
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	296 // memory due to possibly unaligned instruction, use the
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	297 // provided memory functions instead.
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	298 __read_mem_safe(&break_buffer.savedInstr, (t_inst*)pc, HAL_BREAKINST_SIZE);
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	299 __write_mem_safe(&break_inst, (t_inst*)pc, HAL_BREAKINST_SIZE);
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	300
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	301 // Save the PC where we put the break, so we can remove
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	302 // it after the target takes the break.
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	303 break_buffer.targetAddr = (t_inst*)pc;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	304
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	305 __data_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	306 __instruction_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	307 }
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	308
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	309 CYGARC_HAL_RESTORE_GP();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	310 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	311
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	312 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	313 cyg_hal_gdb_remove_break (target_register_t pc)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	314 {
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	315 if ( cyg_hal_gdb_running_step )
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	316 return 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	317
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	318 if ((t_inst*)pc == break_buffer.targetAddr) {
1655 ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	319
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	320 __write_mem_safe(&break_buffer.savedInstr, (t_inst*)pc, HAL_BREAKINST_SIZE);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	321 break_buffer.targetAddr = NULL;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	322
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	323 __data_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	324 __instruction_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	325 return 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	326 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	327 return 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	328 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	329
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	330 int
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	331 cyg_hal_gdb_break_is_set (void)
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	332 {
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	333 if (NULL != break_buffer.targetAddr) {
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	334 return 1;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	335 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	336 return 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	337 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	338
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	339 #endif // CYGPKG_HAL_ARM
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 34 diff changeset	340
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	341 #endif // CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	342
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	343 // Use this function to disable serial interrupts whenever reply
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	344 // characters are expected from GDB. The reason we want to control
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	345 // whether the target can be interrupted or not is simply that GDB on
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	346 // the host will be sending acknowledge characters/commands while the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	347 // stub is running - if serial interrupts were still active, the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	348 // characters would never reach the (polling) getDebugChar.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	349 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	350 interruptible(int state)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	351 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	352 static int __interrupts_suspended = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	353
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	354 if (state) {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	355 __interrupts_suspended--;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	356 if (0 >= __interrupts_suspended) {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	357 __interrupts_suspended = 0;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	358 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this _check_ should go away
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	359 {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	360 hal_virtual_comm_table_t* __chan;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	361 __chan = CYGACC_CALL_IF_DEBUG_PROCS();
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	362 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_IRQ_ENABLE);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	363 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	364 #else
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	365 if (__interruptible_control)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	366 __interruptible_control(1);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	367 #endif
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	368 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	369 } else {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	370 __interrupts_suspended++;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	371 if (1 == __interrupts_suspended)
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	372 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this _check_ should go away
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	373 {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	374 hal_virtual_comm_table_t* __chan;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	375 __chan = CYGACC_CALL_IF_DEBUG_PROCS();
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	376 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_IRQ_DISABLE);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	377 }
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	378 #else
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	379 if (__interruptible_control)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	380 __interruptible_control(0);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	381 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	382 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	383 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	384
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	385 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	386 // eCos stub entry and exit magic.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	387
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	388 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	389 int cyg_hal_gdb_break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	390 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	391
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	392 #ifdef CYGPKG_REDBOOT
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	393 // Trampoline for returning to RedBoot from exception/stub code
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	394 static void
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	395 return_from_stub(int exit_status)
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	396 {
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	397 CYGACC_CALL_IF_MONITOR_RETURN(exit_status);
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	398 }
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	399 #endif
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	400
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	401 // Called at stub kill
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	402 static void
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	403 handle_exception_exit( void )
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	404 {
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	405 #ifdef CYGPKG_REDBOOT
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	406 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	407 { // Reset the timer to default and cancel any callback
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	408 extern void sys_profile_reset(void);
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	409 sys_profile_reset();
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	410 }
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	411 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	412 set_pc((target_register_t)return_from_stub);
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	413 #else
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	414 int i;
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	415
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	416 for (i = 0; i < (sizeof(registers)/sizeof(registers[0])); i++)
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	417 registers[i] = orig_registers[i];
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	418 #endif
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	419 }
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	420
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	421 // Called at stub entry
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	422 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	423 handle_exception_cleanup( void )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	424 {
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	425 #ifndef CYGPKG_REDBOOT
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	426 static int orig_registers_set = 0;
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	427 #endif
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	428
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	429 interruptible(0);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	430
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	431 // Expand the HAL_SavedRegisters structure into the GDB register
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	432 // array format.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	433 HAL_GET_GDB_REGISTERS(&registers[0], _hal_registers);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	434 _registers = &registers[0];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	435
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	436 #ifndef CYGPKG_REDBOOT
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	437 if (!orig_registers_set) {
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	438 int i;
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	439 for (i = 0; i < (sizeof(registers)/sizeof(registers[0])); i++)
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	440 orig_registers[i] = registers[i];
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	441 _registers = &orig_registers[0];
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	442 if (__is_breakpoint_function ())
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	443 __skipinst ();
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	444 _registers = &registers[0];
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	445 orig_registers_set = 1;
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	446 }
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	447 #endif
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	448
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	449 #ifdef HAL_STUB_PLATFORM_STUBS_FIXUP
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	450 // Some architectures may need to fix the PC in case of a partial
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	451 // or fully executed trap instruction. GDB only takes correct action
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	452 // when the PC is pointing to the breakpoint instruction it set.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	453 //
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	454 // Most architectures would leave PC pointing at the trap
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	455 // instruction itself though, and so do not need to do anything
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	456 // special.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	457 HAL_STUB_PLATFORM_STUBS_FIXUP();
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	458 #endif
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	459
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	460 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	461 // If we continued instead of stepping, when there was a break set
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	462 // ie. we were stepping within a critical region, clear the break, and
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	463 // that flag. If we stopped for some other reason, this has no effect.
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	464 if ( cyg_hal_gdb_running_step ) {
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	465 cyg_hal_gdb_running_step = 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	466 cyg_hal_gdb_remove_break(get_register (PC));
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	467 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	468
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	469 // FIXME: (there may be a better way to do this)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	470 // If we hit a breakpoint set by the gdb interrupt stub, make it
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	471 // seem like an interrupt rather than having hit a breakpoint.
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	472 cyg_hal_gdb_break = cyg_hal_gdb_remove_break(get_register (PC));
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	473 #endif
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	474
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	475 #if defined(HAL_STUB_HW_WATCHPOINT) \|\| defined(HAL_STUB_HW_BREAKPOINT)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	476 // For HW watchpoint/breakpoint support, we need to know if we
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	477 // stopped because of watchpoint or hw break. We do that here
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	478 // before GDB has a chance to remove the watchpoints and save
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	479 // the information for later use in building response packets.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	480 _hw_stop_reason = HAL_STUB_IS_STOPPED_BY_HARDWARE(_watch_data_addr);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	481 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	482 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	483
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	484 // Called at stub exit
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	485 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	486 handle_exception_init( void )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	487 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	488 // Compact register array again.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	489 HAL_SET_GDB_REGISTERS(_hal_registers, &registers[0]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	490
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	491 interruptible(1);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	492 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	493
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	494
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	495 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	496 // Initialization.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	497
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	498 // Signal handler.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	499 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	500 cyg_hal_process_signal (int signal)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	501 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	502 // We don't care about the signal (atm).
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	503 return 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	504 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	505
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	506 // Install the standard set of trap handlers for the stub.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	507 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	508 __install_traps (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	509 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	510 // Set signal handling vector so we can treat 'C<signum>' as 'c'.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	511 __process_signal_vec = &cyg_hal_process_signal;
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	512 __process_exit_vec = &handle_exception_exit;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	513
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	514 __cleanup_vec = &handle_exception_cleanup;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	515 __init_vec = &handle_exception_init;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	516
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	517 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	518 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	519 // Control of GDB interrupts.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	520 __interruptible_control = HAL_STUB_PLATFORM_INTERRUPTIBLE;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	521 #endif
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	522 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	523
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	524 // Nothing further to do, handle_exception will be called when an
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	525 // exception occurs.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	526 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	527
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	528 // Initialize the hardware.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	529 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	530 initHardware (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	531 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	532 static int initialized = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	533
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	534 if (initialized)
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	535 return;
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	536 initialized = 1;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	537
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	538 // Get serial port initialized.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	539 HAL_STUB_PLATFORM_INIT_SERIAL();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	540
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	541 #ifdef HAL_STUB_PLATFORM_INIT
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	542 // If the platform defines any initialization code, call it here.
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	543 HAL_STUB_PLATFORM_INIT();
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	544 #endif
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	545
110 84e4bde58b26 Merge from eCos master repository on 2000-07-14-22:00:02-BST jlarmour parents: 107 diff changeset	546 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	547 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	548 // Get interrupt handler initialized.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	549 HAL_STUB_PLATFORM_INIT_BREAK_IRQ();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	550 #endif
110 84e4bde58b26 Merge from eCos master repository on 2000-07-14-22:00:02-BST jlarmour parents: 107 diff changeset	551 #endif // !CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	552 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	553
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	554 // Reset the board.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	555 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	556 __reset (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	557 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	558 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	559 __call_if_reset_t *__rom_reset = CYGACC_CALL_IF_RESET_GET();
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	560 if (__rom_reset)
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	561 (*__rom_reset)();
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	562 #else
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 143 diff changeset	563 HAL_PLATFORM_RESET();
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	564 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	565 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	566
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	567 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	568 // Breakpoint support.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	569
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	570 #ifndef CYGPKG_HAL_ARM
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	571 // This function will generate a breakpoint exception. It is used at
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	572 // the beginning of a program to sync up with a debugger and can be
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	573 // used otherwise as a quick means to stop program execution and
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	574 // "break" into the debugger.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	575 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	576 breakpoint()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	577 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	578 HAL_BREAKPOINT(_breakinst);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	579 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	580
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	581 // This function returns the opcode for a 'trap' instruction.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	582 unsigned long
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	583 __break_opcode ()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	584 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	585 return HAL_BREAKINST;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	586 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	587 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	588
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	589 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	590 // Write the 'T' packet in BUFFER. SIGVAL is the signal the program received.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	591 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	592 __build_t_packet (int sigval, char *buf)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	593 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	594 target_register_t addr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	595 char *ptr = buf;
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	596 target_register_t extend_val = 0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	597
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	598 *ptr++ = 'T';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	599 *ptr++ = __tohex (sigval >> 4);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	600 *ptr++ = __tohex (sigval);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	601
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	602 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	603 // Include thread ID if thread manipulation is required.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	604 {
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	605 int id = dbg_currthread_id ();
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	606
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	607 if (id != 0) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	608 *ptr++ = 't';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	609 *ptr++ = 'h';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	610 *ptr++ = 'r';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	611 *ptr++ = 'e';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	612 *ptr++ = 'a';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	613 *ptr++ = 'd';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	614 *ptr++ = ':';
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	615
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	616 #if (CYG_BYTEORDER == CYG_LSBFIRST)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	617 // FIXME: Temporary workaround for PR 18903. Thread ID must be
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	618 // big-endian in the T packet.
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	619 {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	620 unsigned char* bep = (unsigned char*)&id;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	621 int be_id;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	622
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	623 be_id = id;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	624 *bep++ = (be_id >> 24) & 0xff ;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	625 *bep++ = (be_id >> 16) & 0xff ;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	626 *bep++ = (be_id >> 8) & 0xff ;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	627 *bep++ = (be_id & 0xff) ;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	628 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	629 #endif
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	630 ptr = __mem2hex((char *)&id, ptr, sizeof(id), 0);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	631 *ptr++ = ';';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	632 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	633 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	634 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	635
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	636 #ifdef HAL_STUB_HW_WATCHPOINT
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	637 switch(_hw_stop_reason) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	638 case HAL_STUB_HW_STOP_WATCH:
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	639 case HAL_STUB_HW_STOP_RWATCH:
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	640 case HAL_STUB_HW_STOP_AWATCH:
197 51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	641 #ifdef HAL_STUB_HW_SEND_STOP_REASON_TEXT
51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	642 // Not all GDBs understand this.
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	643 strcpy(ptr, _hw_stop_str[_hw_stop_reason]);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	644 ptr += strlen(_hw_stop_str[_hw_stop_reason]);
197 51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	645 #endif
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	646 *ptr++ = ':';
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	647 // Send address MSB first
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	648 ptr += __intToHex(ptr, (target_register_t)_watch_data_addr,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	649 sizeof(_watch_data_addr) * 8);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	650 *ptr++ = ';';
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	651 break;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	652 default:
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	653 break;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	654 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	655 #endif
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	656
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	657 *ptr++ = __tohex (PC >> 4);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	658 *ptr++ = __tohex (PC);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	659 *ptr++ = ':';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	660 addr = get_register (PC);
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	661 if (sizeof(addr) < REGSIZE(PC))
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	662 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	663 // GDB is expecting REGSIZE(PC) number of bytes.
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	664 // We only have sizeof(addr) number. Let's fill
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	665 // the appropriate number of bytes intelligently.
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	666 #ifdef CYGARC_SIGN_EXTEND_REGISTERS
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	667 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	668 unsigned long bits_in_addr = (sizeof(addr) << 3); // ie Size in bytes * 8
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	669 target_register_t sign_bit_mask = (1 << (bits_in_addr - 1));
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	670 if ((addr & sign_bit_mask) == sign_bit_mask)
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	671 extend_val = ~0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	672 }
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	673 #endif
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	674 }
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	675 #if (CYG_BYTEORDER == CYG_MSBFIRST)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	676 ptr = __mem2hex((char *)&extend_val, ptr, REGSIZE(PC) - sizeof(addr), 0);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	677 #endif
121 6bd9d475ed4b Merge from eCos master repository on 2000-09-04-20:50:20-BST jlarmour parents: 115 diff changeset	678 ptr = __mem2hex((char *)&addr, ptr, sizeof(addr), 0);
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	679 #if (CYG_BYTEORDER == CYG_LSBFIRST)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	680 ptr = __mem2hex((char *)&extend_val, ptr, REGSIZE(PC) - sizeof(addr), 0);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	681 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	682 *ptr++ = ';';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	683
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	684 *ptr++ = __tohex (SP >> 4);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	685 *ptr++ = __tohex (SP);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	686 *ptr++ = ':';
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	687 addr = (target_register_t) get_register (SP);
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	688 if (sizeof(addr) < REGSIZE(SP))
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	689 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	690 // GDB is expecting REGSIZE(SP) number of bytes.
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	691 // We only have sizeof(addr) number. Let's fill
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	692 // the appropriate number of bytes intelligently.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	693 extend_val = 0;
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	694 #ifdef CYGARC_SIGN_EXTEND_REGISTERS
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	695 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	696 unsigned long bits_in_addr = (sizeof(addr) << 3); // ie Size in bytes * 8
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	697 target_register_t sign_bit_mask = (1 << (bits_in_addr - 1));
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	698 if ((addr & sign_bit_mask) == sign_bit_mask)
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	699 extend_val = ~0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	700 }
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	701 #endif
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	702 ptr = __mem2hex((char *)&extend_val, ptr, REGSIZE(SP) - sizeof(addr), 0);
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	703 }
121 6bd9d475ed4b Merge from eCos master repository on 2000-09-04-20:50:20-BST jlarmour parents: 115 diff changeset	704 ptr = __mem2hex((char *)&addr, ptr, sizeof(addr), 0);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	705 *ptr++ = ';';
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	706
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	707 HAL_STUB_ARCH_T_PACKET_EXTRAS(ptr);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	708
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	709 *ptr++ = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	710 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	711
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	712
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	713 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	714 // Cache functions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	715
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	716 // Perform the specified operation on the instruction cache.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	717 // Returns 1 if the cache is enabled, 0 otherwise.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	718 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	719 __instruction_cache (cache_control_t request)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	720 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	721 int state = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	722
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	723 switch (request) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	724 case CACHE_ENABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	725 HAL_ICACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	726 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	727 case CACHE_DISABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	728 HAL_ICACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	729 state = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	730 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	731 case CACHE_FLUSH:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	732 HAL_ICACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	733 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	734 case CACHE_NOOP:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	735 /* fall through */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	736 default:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	737 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	738 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	739
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	740 #ifdef HAL_ICACHE_IS_ENABLED
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	741 HAL_ICACHE_IS_ENABLED(state);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	742 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	743
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	744 return state;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	745 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	746
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	747 // Perform the specified operation on the data cache.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	748 // Returns 1 if the cache is enabled, 0 otherwise.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	749 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	750 __data_cache (cache_control_t request)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	751 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	752 int state = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	753
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	754 switch (request) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	755 case CACHE_ENABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	756 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	757 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	758 case CACHE_DISABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	759 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	760 state = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	761 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	762 case CACHE_FLUSH:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	763 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	764 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	765 case CACHE_NOOP:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	766 /* fall through */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	767 default:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	768 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	769 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	770 #ifdef HAL_DCACHE_IS_ENABLED
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	771 HAL_DCACHE_IS_ENABLED(state);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	772 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	773
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	774 return state;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	775 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	776
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	777 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	778 // Memory accessor functions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	779
130 eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	780 // The __mem_fault_handler pointer is volatile since it is only
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	781 // set/cleared by the function below - which does not rely on any
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	782 // other functions, so the compiler may decide to not bother updating
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	783 // the pointer at all. If any of the memory accesses cause an
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	784 // exception, the pointer must be set to ensure the exception handler
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	785 // can make use of it.
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	786
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	787 void* volatile __mem_fault_handler = (void *)0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	788
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	789 /* These are the "arguments" to __do_read_mem and __do_write_mem,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	790 which are passed as globals to avoid squeezing them thru
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	791 __set_mem_fault_trap. */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	792
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	793 static volatile target_register_t memCount;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	794
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	795 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	796 __do_copy_mem (unsigned char* src, unsigned char* dst)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	797 {
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	798 unsigned long *long_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	799 unsigned long *long_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	800 unsigned short *short_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	801 unsigned short *short_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	802
163 0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	803 // Zero memCount is not really an error, but the goto is necessary to
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	804 // keep some compilers from reordering stuff across the 'err' label.
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	805 if (memCount == 0) goto err;
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	806
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	807 __mem_fault = 1; /* Defaults to 'fail'. Is cleared */
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	808 /* when the copy loop completes. */
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	809 __mem_fault_handler = &&err;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	810
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	811 // See if it's safe to do multi-byte, aligned operations
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	812 while (memCount) {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	813 if ((memCount >= sizeof(long)) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	814 (((target_register_t)dst & (sizeof(long)-1)) == 0) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	815 (((target_register_t)src & (sizeof(long)-1)) == 0)) {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	816
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	817 long_dst = (unsigned long *)dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	818 long_src = (unsigned long *)src;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	819
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	820 long_dst++ = long_src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	821 memCount -= sizeof(long);
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	822
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	823 dst = (unsigned char *)long_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	824 src = (unsigned char *)long_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	825 } else if ((memCount >= sizeof(short)) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	826 (((target_register_t)dst & (sizeof(short)-1)) == 0) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	827 (((target_register_t)src & (sizeof(short)-1)) == 0)) {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	828
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	829 short_dst = (unsigned short *)dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	830 short_src = (unsigned short *)src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	831
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	832 short_dst++ = short_src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	833 memCount -= sizeof(short);
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	834
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	835 dst = (unsigned char *)short_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	836 src = (unsigned char *)short_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	837 } else {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	838 dst++ = src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	839 memCount--;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	840 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	841 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	842
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	843 __mem_fault = 0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	844
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	845 err:
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	846 __mem_fault_handler = (void *)0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	847 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	848
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	849 /*
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	850 * __read_mem_safe:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	851 * Get contents of target memory, abort on error.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	852 */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	853
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	854 int
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	855 __read_mem_safe (void dst, void src, int count)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	856 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	857 if( !CYG_HAL_STUB_PERMIT_DATA_READ( src, count ) )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	858 return 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	859
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	860 memCount = count;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	861 __do_copy_mem((unsigned char) src, (unsigned char) dst);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	862 return count - memCount; // return number of bytes successfully read
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	863 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	864
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	865 /*
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	866 * __write_mem_safe:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	867 * Set contents of target memory, abort on error.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	868 */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	869
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	870 int
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	871 __write_mem_safe (void src, void dst, int count)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	872 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	873 if( !CYG_HAL_STUB_PERMIT_DATA_READ( dst, count ) )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	874 return 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	875
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	876 memCount = count;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	877 __do_copy_mem((unsigned char) src, (unsigned char) dst);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	878 return count - memCount; // return number of bytes successfully written
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	879 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	880
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	881 #ifdef TARGET_HAS_HARVARD_MEMORY
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	882 static void
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	883 __do_copy_from_progmem (unsigned char* src, unsigned char* dst)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	884 {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	885 unsigned long *long_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	886 unsigned long *long_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	887 unsigned short *short_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	888 unsigned short *short_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	889
163 0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	890 // Zero memCount is not really an error, but the goto is necessary to
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	891 // keep some compilers from reordering stuff across the 'err' label.
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	892 if (memCount == 0) goto err;
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	893
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	894 __mem_fault = 1; /* Defaults to 'fail'. Is cleared */
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	895 /* when the copy loop completes. */
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	896 __mem_fault_handler = &&err;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	897
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	898 // See if it's safe to do multi-byte, aligned operations
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	899 while (memCount) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	900 if ((memCount >= sizeof(long)) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	901 (((target_register_t)dst & (sizeof(long)-1)) == 0) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	902 (((target_register_t)src & (sizeof(long)-1)) == 0)) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	903
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	904 long_dst = (unsigned long *)dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	905 long_src = (unsigned long *)src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	906
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	907 *long_dst++ = __read_prog_uint32(long_src++);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	908 memCount -= sizeof(long);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	909
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	910 dst = (unsigned char *)long_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	911 src = (unsigned char *)long_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	912 } else if ((memCount >= sizeof(short)) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	913 (((target_register_t)dst & (sizeof(short)-1)) == 0) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	914 (((target_register_t)src & (sizeof(short)-1)) == 0)) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	915
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	916 short_dst = (unsigned short *)dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	917 short_src = (unsigned short *)src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	918
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	919 *short_dst++ = __read_prog_uint16(short_src++);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	920 memCount -= sizeof(short);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	921
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	922 dst = (unsigned char *)short_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	923 src = (unsigned char *)short_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	924 } else {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	925 *dst++ = __read_prog_uint8(src++);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	926 memCount--;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	927 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	928 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	929
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	930 __mem_fault = 0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	931
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	932 err:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	933 __mem_fault_handler = (void *)0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	934 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	935
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	936 static void
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	937 __do_copy_to_progmem (unsigned char* src, unsigned char* dst)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	938 {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	939 unsigned long *long_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	940 unsigned long *long_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	941 unsigned short *short_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	942 unsigned short *short_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	943
163 0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	944 // Zero memCount is not really an error, but the goto is necessary to
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	945 // keep some compilers from reordering stuff across the 'err' label.
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	946 if (memCount == 0) goto err;
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	947
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	948 __mem_fault = 1; /* Defaults to 'fail'. Is cleared */
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	949 /* when the copy loop completes. */
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	950 __mem_fault_handler = &&err;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	951
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	952 // See if it's safe to do multi-byte, aligned operations
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	953 while (memCount) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	954 if ((memCount >= sizeof(long)) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	955 (((target_register_t)dst & (sizeof(long)-1)) == 0) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	956 (((target_register_t)src & (sizeof(long)-1)) == 0)) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	957
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	958 long_dst = (unsigned long *)dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	959 long_src = (unsigned long *)src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	960
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	961 __write_prog_uint32(long_dst++, *long_src++);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	962 memCount -= sizeof(long);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	963
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	964 dst = (unsigned char *)long_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	965 src = (unsigned char *)long_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	966 } else if ((memCount >= sizeof(short)) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	967 (((target_register_t)dst & (sizeof(short)-1)) == 0) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	968 (((target_register_t)src & (sizeof(short)-1)) == 0)) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	969
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	970 short_dst = (unsigned short *)dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	971 short_src = (unsigned short *)src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	972
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	973 __write_prog_uint16(short_dst++, *short_src++);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	974 memCount -= sizeof(short);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	975
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	976 dst = (unsigned char *)short_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	977 src = (unsigned char *)short_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	978 } else {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	979 __write_prog_uint8(dst++, *src++);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	980 memCount--;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	981 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	982 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	983
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	984 __mem_fault = 0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	985
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	986 err:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	987 __mem_fault_handler = (void *)0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	988 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	989
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	990 /*
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	991 * __read_progmem_safe:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	992 * Get contents of target memory, abort on error.
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	993 */
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	994
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	995 int
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	996 __read_progmem_safe (void dst, void src, int count)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	997 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	998 if( !CYG_HAL_STUB_PERMIT_CODE_READ( src, count ) )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	999 return 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	1000
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1001 memCount = count;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1002 __do_copy_from_progmem((unsigned char) src, (unsigned char) dst);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1003 return count - memCount; // return number of bytes successfully read
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1004 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1005
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1006 /*
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1007 * __write_progmem_safe:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1008 * Set contents of target memory, abort on error.
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1009 */
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1010
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1011 int
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1012 __write_progmem_safe (void src, void dst, int count)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1013 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	1014 if( !CYG_HAL_STUB_PERMIT_CODE_WRITE( dst, count ) )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	1015 return 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	1016
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1017 memCount = count;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1018 __do_copy_to_progmem((unsigned char) src, (unsigned char) dst);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1019 return count - memCount; // return number of bytes successfully written
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1020 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1021 #endif
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1022
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1023 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1024 // Target extras?!
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1025 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1026 __process_target_query(char * pkt, char * out, int maxOut)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1027 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1028 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1029 __process_target_set(char * pkt, char * out, int maxout)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1030 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1031 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1032 __process_target_packet(char * pkt, char * out, int maxout)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1033 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1034
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1035 // GDB string output, making sure interrupts are disabled.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1036 // This function gets used by some diag output functions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1037 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1038 hal_output_gdb_string(target_register_t str, int string_len)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1039 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1040 unsigned long __state;
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	1041 HAL_DISABLE_INTERRUPTS(__state);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1042 __output_gdb_string(str, string_len);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1043 HAL_RESTORE_INTERRUPTS(__state);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1044 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1045
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1046 #endif // CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS

Mercurial > flash_v2

annotate packages/hal/common/current/src/hal_stub.c @ 1777:c16341b1bac6 default tip