ecos: packages/hal/common/current/src/hal

annotate packages/hal/common/current/src/hal_stub.c @ 3292:7f8e529b4d82 default tip

Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.

author	vae
date	Wed, 29 Apr 2015 23:31:48 +0000
parents	f415c0531921
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 //=============================================================================
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	8 // ####ECOSGPLCOPYRIGHTBEGIN####
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	9 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	10 // This file is part of eCos, the Embedded Configurable Operating System.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	11 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	12 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	13 // eCos is free software; you can redistribute it and/or modify it under
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	14 // the terms of the GNU General Public License as published by the Free
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	15 // Software Foundation; either version 2 or (at your option) any later
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	16 // version.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	17 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	18 // eCos is distributed in the hope that it will be useful, but WITHOUT
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	21 // for more details.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	22 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	23 // You should have received a copy of the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	26 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	27 // As a special exception, if other files instantiate templates or use
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	28 // macros or inline functions from this file, or you compile this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	29 // and link it with other works to produce a work based on this file,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	30 // this file does not by itself cause the resulting work to be covered by
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	31 // the GNU General Public License. However the source code for this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	32 // must still be made available in accordance with section (3) of the GNU
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	33 // General Public License v2.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	34 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	35 // This exception does not invalidate any other reasons why a work based
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	36 // on this file might be covered by the GNU General Public License.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	37 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1655 diff changeset	38 // ####ECOSGPLCOPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	39 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	40 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	41 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	42 // 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	43 // Contributors:jskov, dmoseley
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	44 // Date: 1999-02-12
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	45 // Purpose: Helper functions for stub, specific to eCos HAL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	46 // Description: Parts of the GDB stub requirements are provided by
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	47 // the eCos HAL, rather than target and/or board specific
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	48 // code.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	49 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	50 //####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	51 //
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 #include <pkgconf/hal.h>
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	55 #ifdef CYGPKG_CYGMON
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	56 #include <pkgconf/cygmon.h>
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	57 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	58
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	59 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	60
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	61 #include <cyg/hal/hal_stub.h> // Our header
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	62
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	63 #include <cyg/hal/hal_arch.h> // HAL_BREAKINST
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	64 #include <cyg/hal/hal_cache.h> // HAL_xCACHE_x
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	65 #include <cyg/hal/hal_intr.h> // interrupt disable/restore
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	66
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	67 #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	68 #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	69
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	70 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	71 #include <cyg/hal/dbg-threads-api.h> // dbg_currthread_id
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	72 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	73
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	74 #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	75 #ifndef PC
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	76 #define PC REG_PC
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	77 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	78 #ifndef SP
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	79 #define SP REG_SP
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	80 #endif
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	81 #endif
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	82
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	83 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	84 // Extra eCos data.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	85
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	86 // Saved registers.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	87 HAL_SavedRegisters *_hal_registers;
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	88 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	89 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	90 target_register_t * _registers = registers; // Pointer to current set of registers
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	91 #ifndef CYGPKG_REDBOOT
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	92 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	93 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	94
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	95 #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	96 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	97
197 51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	98 //#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	99 #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	100 #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	101 #endif
51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	102
51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	103 #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	104 // 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	105
51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	106 // 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	107 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	108 "",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	109 "hbreak",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	110 "watch",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	111 "rwatch",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	112 "awatch"
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	113 };
197 51b34619b677 Merge from eCos master repository on 2001-11-30-11:22:06-GMT jlarmour parents: 191 diff changeset	114 #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	115
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	116 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	117 #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	118
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	119 // Register validity checking
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	120 #ifdef CYGHWR_REGISTER_VALIDITY_CHECKING
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	121 int registers_valid[NUMREGS];
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	122 int *_registers_valid = registers_valid;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	123 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	124
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	125 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	126 // Interrupt control.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	127 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	128 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	129
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	130 // 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	131 #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	132 #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	133 #endif
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	134
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	135 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	136 // Register access
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	137
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	138 #ifndef CYGARC_STUB_REGISTER_ACCESS_DEFINED
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	139 // Return the currently-saved value corresponding to register REG of
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	140 // the exception context.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	141 target_register_t
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	142 get_register (regnames_t reg)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	143 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	144 return _registers[reg];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	145 }
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	146 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	147
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	148 #ifdef CYGHWR_REGISTER_VALIDITY_CHECKING
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	149 // 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	150 int
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	151 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	152 {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	153 return _registers_valid[reg];
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	154 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	155 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	156
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	157 #ifndef CYGARC_STUB_REGISTER_ACCESS_DEFINED
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	158 // Store VALUE in the register corresponding to WHICH in the exception
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	159 // context.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	160 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	161 put_register (regnames_t which, target_register_t value)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	162 {
183 9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	163 #ifdef CYGPKG_HAL_MIPS_VR4300
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	164 // 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	165 // 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	166 // 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	167 // 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	168 // and artificially sign extend it.
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	169
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	170 if( which == PC && (value & 0x0000000080000000ULL ) )
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	171 {
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	172 value \|= 0xFFFFFFFF00000000ULL;
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	173 }
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 163 diff changeset	174 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	175 _registers[which] = value;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	176 }
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 183 diff changeset	177 #endif // CYGARC_STUB_REGISTER_ACCESS_DEFINED
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	178
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	179 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	180 // 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	181 #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	182 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	183 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	184 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	185
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	186 // Write C to the current serial port.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	187 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	188 putDebugChar (int c)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	189 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	190 #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	191 __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	192 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	193 #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	194 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	195 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	196 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	197 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	198 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	199
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	200 // Read one character from the current serial port.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	201 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	202 getDebugChar (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	203 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	204 #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	205 __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	206 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	207 #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	208 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	209 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	210 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	211 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	212 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	213
138 289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	214 // Flush output channel
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	215 void
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	216 hal_flush_output(void)
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	217 {
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	218 #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	219 __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	220 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	221 #endif
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	222 }
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	223
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	224
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	225 // Set the baud rate for the current serial port.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	226 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	227 __set_baud_rate (int baud)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	228 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	229 #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	230 __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	231 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	232 #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	233 // FIXME!
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	234 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	235 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	236 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	237 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	238
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	239 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	240 // GDB interrupt (BREAK) support.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	241
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	242 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	243
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	244 #ifndef CYGPKG_HAL_ARM
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 34 diff changeset	245
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	246 #if (HAL_BREAKINST_SIZE == 1)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	247 typedef cyg_uint8 t_inst;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	248 #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	249 typedef cyg_uint16 t_inst;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	250 #elif (HAL_BREAKINST_SIZE == 4)
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	251 typedef cyg_uint32 t_inst;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	252 #else
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	253 #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	254 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	255
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	256 typedef struct
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	257 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	258 t_inst *targetAddr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	259 t_inst savedInstr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	260 } instrBuffer;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	261
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	262 static instrBuffer break_buffer;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	263
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	264 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	265
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	266 void
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	267 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	268 {
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	269 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	270 }
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	271
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	272 void
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	273 cyg_hal_gdb_interrupt (target_register_t pc)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	274 {
1655 ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	275 t_inst break_inst = HAL_BREAKINST;
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	276
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	277 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	278
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	279 // 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	280 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	281 // 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	282 if (NULL != break_buffer.targetAddr)
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	283 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	284
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	285 if (NULL == break_buffer.targetAddr) {
1655 ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	286 // Not always safe to read/write directly to program
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	287 // memory due to possibly unaligned instruction, use the
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	288 // provided memory functions instead.
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	289 __read_mem_safe(&break_buffer.savedInstr, (t_inst*)pc, HAL_BREAKINST_SIZE);
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	290 __write_mem_safe(&break_inst, (t_inst*)pc, HAL_BREAKINST_SIZE);
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	291
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	292 // Save the PC where we put the break, so we can remove
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	293 // it after the target takes the break.
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	294 break_buffer.targetAddr = (t_inst*)pc;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	295
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	296 __data_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	297 __instruction_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	298 }
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	299
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	300 CYGARC_HAL_RESTORE_GP();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	301 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	302
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	303 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	304 cyg_hal_gdb_remove_break (target_register_t pc)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	305 {
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	306 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	307 return 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	308
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	309 if ((t_inst*)pc == break_buffer.targetAddr) {
1655 ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	310
ca8bb447fe5f * src/hal_stub.c: jlarmour parents: 1002 diff changeset	311 __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	312 break_buffer.targetAddr = NULL;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	313
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	314 __data_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	315 __instruction_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	316 return 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	317 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	318 return 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	319 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	320
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	321 int
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	322 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	323 {
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	324 if (NULL != break_buffer.targetAddr) {
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	325 return 1;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	326 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	327 return 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	328 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	329
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	330 #endif // CYGPKG_HAL_ARM
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 34 diff changeset	331
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	332 #endif // CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	333
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	334 // Use this function to disable serial interrupts whenever reply
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	335 // characters are expected from GDB. The reason we want to control
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	336 // 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	337 // the host will be sending acknowledge characters/commands while the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	338 // stub is running - if serial interrupts were still active, the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	339 // characters would never reach the (polling) getDebugChar.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	340 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	341 interruptible(int state)
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 static int __interrupts_suspended = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	344
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	345 if (state) {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	346 __interrupts_suspended--;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	347 if (0 >= __interrupts_suspended) {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	348 __interrupts_suspended = 0;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	349 #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	350 {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	351 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	352 __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	353 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	354 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	355 #else
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	356 if (__interruptible_control)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	357 __interruptible_control(1);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	358 #endif
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 } else {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	361 __interrupts_suspended++;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	362 if (1 == __interrupts_suspended)
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	363 #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	364 {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	365 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	366 __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	367 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_IRQ_DISABLE);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	368 }
105 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 if (__interruptible_control)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	371 __interruptible_control(0);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	372 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	373 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	374 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	375
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	376 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	377 // eCos stub entry and exit magic.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	378
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	379 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	380 int cyg_hal_gdb_break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	381 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	382
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	383 #ifdef CYGPKG_REDBOOT
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	384 // Trampoline for returning to RedBoot from exception/stub code
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	385 static void
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	386 return_from_stub(int exit_status)
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	387 {
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	388 CYGACC_CALL_IF_MONITOR_RETURN(exit_status);
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	389 }
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	390 #endif
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	391
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	392 // Called at stub kill
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	393 static void
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	394 handle_exception_exit( void )
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	395 {
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	396 #ifdef CYGPKG_REDBOOT
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	397 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	398 { // Reset the timer to default and cancel any callback
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	399 extern void sys_profile_reset(void);
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	400 sys_profile_reset();
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	401 }
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	402 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	403 set_pc((target_register_t)return_from_stub);
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	404 #else
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	405 int i;
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	406
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	407 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	408 registers[i] = orig_registers[i];
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	409 #endif
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	410 }
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	411
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	412 // Called at stub entry
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	413 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	414 handle_exception_cleanup( void )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	415 {
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	416 #ifndef CYGPKG_REDBOOT
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	417 static int orig_registers_set = 0;
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
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	420 interruptible(0);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	421
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	422 // Expand the HAL_SavedRegisters structure into the GDB register
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	423 // array format.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	424 HAL_GET_GDB_REGISTERS(&registers[0], _hal_registers);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	425 _registers = &registers[0];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	426
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	427 #ifndef CYGPKG_REDBOOT
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	428 if (!orig_registers_set) {
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	429 int i;
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	430 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	431 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	432 _registers = &orig_registers[0];
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	433 if (__is_breakpoint_function ())
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	434 __skipinst ();
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	435 _registers = &registers[0];
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	436 orig_registers_set = 1;
e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	437 }
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 210 diff changeset	438 #endif
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 151 diff changeset	439
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	440 #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	441 // 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	442 // 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	443 // 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	444 //
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	445 // 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	446 // 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	447 // special.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	448 HAL_STUB_PLATFORM_STUBS_FIXUP();
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	449 #endif
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	450
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	451 #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	452 // 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	453 // 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	454 // 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	455 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	456 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	457 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	458 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	459
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	460 // FIXME: (there may be a better way to do this)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	461 // 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	462 // 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	463 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	464 #endif
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	465
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	466 #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	467 // 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	468 // 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	469 // 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	470 // 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	471 _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	472 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	473 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	474
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	475 // Called at stub exit
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	476 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	477 handle_exception_init( void )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	478 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	479 // Compact register array again.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	480 HAL_SET_GDB_REGISTERS(_hal_registers, &registers[0]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	481
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	482 interruptible(1);
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	485
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	486 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	487 // Initialization.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	488
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	489 // Signal handler.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	490 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	491 cyg_hal_process_signal (int signal)
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 // We don't care about the signal (atm).
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	494 return 0;
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	497 // Install the standard set of trap handlers for the stub.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	498 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	499 __install_traps (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	500 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	501 // 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	502 __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	503 __process_exit_vec = &handle_exception_exit;
2 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 __cleanup_vec = &handle_exception_cleanup;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	506 __init_vec = &handle_exception_init;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	507
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	508 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	509 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	510 // Control of GDB interrupts.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	511 __interruptible_control = HAL_STUB_PLATFORM_INTERRUPTIBLE;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	512 #endif
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	513 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	514
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	515 // Nothing further to do, handle_exception will be called when an
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	516 // exception occurs.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	517 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	518
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	519 // Initialize the hardware.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	520 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	521 initHardware (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	522 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	523 static int initialized = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	524
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	525 if (initialized)
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	526 return;
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	527 initialized = 1;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	528
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	529 // Get serial port initialized.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	530 HAL_STUB_PLATFORM_INIT_SERIAL();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	531
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	532 #ifdef HAL_STUB_PLATFORM_INIT
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	533 // 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	534 HAL_STUB_PLATFORM_INIT();
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	535 #endif
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	536
110 84e4bde58b26 Merge from eCos master repository on 2000-07-14-22:00:02-BST jlarmour parents: 107 diff changeset	537 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	538 #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	539 // Get interrupt handler initialized.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	540 HAL_STUB_PLATFORM_INIT_BREAK_IRQ();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	541 #endif
110 84e4bde58b26 Merge from eCos master repository on 2000-07-14-22:00:02-BST jlarmour parents: 107 diff changeset	542 #endif // !CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	543 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	544
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	545 // Reset the board.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	546 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	547 __reset (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	548 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	549 #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	550 __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	551 if (__rom_reset)
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	552 (*__rom_reset)();
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	553 #else
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 143 diff changeset	554 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	555 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	556 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	557
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	558 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	559 // Breakpoint support.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	560
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	561 #ifndef CYGPKG_HAL_ARM
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	562 // This function will generate a breakpoint exception. It is used at
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	563 // 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	564 // used otherwise as a quick means to stop program execution and
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	565 // "break" into the debugger.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	566 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	567 breakpoint()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	568 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	569 HAL_BREAKPOINT(_breakinst);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	570 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	571
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	572 // This function returns the opcode for a 'trap' instruction.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	573 unsigned long
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	574 __break_opcode ()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	575 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	576 return HAL_BREAKINST;
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 #endif
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 // 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	582 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	583 __build_t_packet (int sigval, char *buf)
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 target_register_t addr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	586 char *ptr = buf;
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	587 target_register_t extend_val = 0;
2 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 *ptr++ = 'T';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	590 *ptr++ = __tohex (sigval >> 4);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	591 *ptr++ = __tohex (sigval);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	592
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	593 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	594 // Include thread ID if thread manipulation is required.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	595 {
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	596 int id = dbg_currthread_id ();
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	597
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	598 if (id != 0) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	599 *ptr++ = 't';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	600 *ptr++ = 'h';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	601 *ptr++ = 'r';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	602 *ptr++ = 'e';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	603 *ptr++ = 'a';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	604 *ptr++ = 'd';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	605 *ptr++ = ':';
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	606
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	607 #if (CYG_BYTEORDER == CYG_LSBFIRST)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	608 // 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	609 // 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	610 {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	611 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	612 int be_id;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	613
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	614 be_id = id;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	615 *bep++ = (be_id >> 24) & 0xff ;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	616 *bep++ = (be_id >> 16) & 0xff ;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	617 *bep++ = (be_id >> 8) & 0xff ;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	618 *bep++ = (be_id & 0xff) ;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	619 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	620 #endif
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	621 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	622 *ptr++ = ';';
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	623 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	624 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	625 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	626
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	627 #ifdef HAL_STUB_HW_WATCHPOINT
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	628 switch(_hw_stop_reason) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	629 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	630 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	631 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	632 #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	633 // 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	634 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	635 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	636 #endif
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	637 *ptr++ = ':';
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	638 // Send address MSB first
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	639 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	640 sizeof(_watch_data_addr) * 8);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	641 *ptr++ = ';';
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	642 break;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	643 default:
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	644 break;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	645 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	646 #endif
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	647
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	648 *ptr++ = __tohex (PC >> 4);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	649 *ptr++ = __tohex (PC);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	650 *ptr++ = ':';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	651 addr = get_register (PC);
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	652 if (sizeof(addr) < REGSIZE(PC))
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	653 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	654 // 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	655 // 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	656 // 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	657 #ifdef CYGARC_SIGN_EXTEND_REGISTERS
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	658 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	659 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	660 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	661 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	662 extend_val = ~0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	663 }
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	664 #endif
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	665 }
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	666 #if (CYG_BYTEORDER == CYG_MSBFIRST)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	667 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	668 #endif
121 6bd9d475ed4b Merge from eCos master repository on 2000-09-04-20:50:20-BST jlarmour parents: 115 diff changeset	669 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	670 #if (CYG_BYTEORDER == CYG_LSBFIRST)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	671 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	672 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	673 *ptr++ = ';';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	674
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	675 *ptr++ = __tohex (SP >> 4);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	676 *ptr++ = __tohex (SP);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	677 *ptr++ = ':';
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	678 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	679 if (sizeof(addr) < REGSIZE(SP))
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	680 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	681 // 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	682 // 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	683 // 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	684 extend_val = 0;
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	685 #ifdef CYGARC_SIGN_EXTEND_REGISTERS
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	686 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	687 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	688 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	689 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	690 extend_val = ~0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	691 }
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	692 #endif
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	693 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	694 }
121 6bd9d475ed4b Merge from eCos master repository on 2000-09-04-20:50:20-BST jlarmour parents: 115 diff changeset	695 ptr = __mem2hex((char *)&addr, ptr, sizeof(addr), 0);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	696 *ptr++ = ';';
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	697
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	698 HAL_STUB_ARCH_T_PACKET_EXTRAS(ptr);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	699
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	700 *ptr++ = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	701 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	702
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	703
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	704 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	705 // Cache functions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	706
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	707 // Perform the specified operation on the instruction cache.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	708 // Returns 1 if the cache is enabled, 0 otherwise.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	709 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	710 __instruction_cache (cache_control_t request)
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 int state = 1;
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 switch (request) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	715 case CACHE_ENABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	716 HAL_ICACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	717 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	718 case CACHE_DISABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	719 HAL_ICACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	720 state = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	721 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	722 case CACHE_FLUSH:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	723 HAL_ICACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	724 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	725 case CACHE_NOOP:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	726 /* fall through */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	727 default:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	728 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	729 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	730
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	731 #ifdef HAL_ICACHE_IS_ENABLED
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	732 HAL_ICACHE_IS_ENABLED(state);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	733 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	734
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	735 return state;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	736 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	737
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	738 // Perform the specified operation on the data cache.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	739 // Returns 1 if the cache is enabled, 0 otherwise.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	740 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	741 __data_cache (cache_control_t request)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	742 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	743 int state = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	744
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	745 switch (request) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	746 case CACHE_ENABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	747 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	748 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	749 case CACHE_DISABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	750 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	751 state = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	752 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	753 case CACHE_FLUSH:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	754 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	755 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	756 case CACHE_NOOP:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	757 /* fall through */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	758 default:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	759 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	760 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	761 #ifdef HAL_DCACHE_IS_ENABLED
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	762 HAL_DCACHE_IS_ENABLED(state);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	763 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	764
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	765 return state;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	766 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	767
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	768 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	769 // Memory accessor functions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	770
130 eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	771 // 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	772 // 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	773 // 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	774 // 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	775 // 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	776 // can make use of it.
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	777
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	778 void* volatile __mem_fault_handler = (void *)0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	779
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	780 /* 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	781 which are passed as globals to avoid squeezing them thru
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	782 __set_mem_fault_trap. */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	783
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	784 static volatile target_register_t memCount;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	785
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	786 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	787 __do_copy_mem (unsigned char* src, unsigned char* dst)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	788 {
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	789 unsigned long *long_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	790 unsigned long *long_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	791 unsigned short *short_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	792 unsigned short *short_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	793
163 0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	794 // 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	795 // 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	796 if (memCount == 0) goto err;
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	797
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	798 __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	799 /* when the copy loop completes. */
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	800 __mem_fault_handler = &&err;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	801
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	802 // 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	803 while (memCount) {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	804 if ((memCount >= sizeof(long)) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	805 (((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	806 (((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	807
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	808 long_dst = (unsigned long *)dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	809 long_src = (unsigned long *)src;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	810
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	811 long_dst++ = long_src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	812 memCount -= sizeof(long);
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	813
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	814 dst = (unsigned char *)long_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	815 src = (unsigned char *)long_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	816 } else if ((memCount >= sizeof(short)) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	817 (((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	818 (((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	819
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	820 short_dst = (unsigned short *)dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	821 short_src = (unsigned short *)src;
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 short_dst++ = short_src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	824 memCount -= sizeof(short);
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	825
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	826 dst = (unsigned char *)short_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	827 src = (unsigned char *)short_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	828 } else {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	829 dst++ = src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	830 memCount--;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	831 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	832 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	833
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	834 __mem_fault = 0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	835
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	836 err:
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	837 __mem_fault_handler = (void *)0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	838 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	839
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	840 /*
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	841 * __read_mem_safe:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	842 * Get contents of target memory, abort on error.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	843 */
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 int
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	846 __read_mem_safe (void dst, void src, int count)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	847 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	848 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	849 return 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	850
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	851 memCount = count;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	852 __do_copy_mem((unsigned char) src, (unsigned char) dst);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	853 return count - memCount; // return number of bytes successfully read
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	854 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	855
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	856 /*
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	857 * __write_mem_safe:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	858 * Set contents of target memory, abort on error.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	859 */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	860
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	861 int
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	862 __write_mem_safe (void src, void dst, int count)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	863 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	864 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	865 return 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	866
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	867 memCount = count;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	868 __do_copy_mem((unsigned char) src, (unsigned char) dst);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	869 return count - memCount; // return number of bytes successfully written
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	870 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	871
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	872 #ifdef TARGET_HAS_HARVARD_MEMORY
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	873 static void
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	874 __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	875 {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	876 unsigned long *long_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	877 unsigned long *long_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	878 unsigned short *short_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	879 unsigned short *short_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	880
163 0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	881 // 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	882 // 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	883 if (memCount == 0) goto err;
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	884
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	885 __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	886 /* when the copy loop completes. */
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	887 __mem_fault_handler = &&err;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	888
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	889 // 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	890 while (memCount) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	891 if ((memCount >= sizeof(long)) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	892 (((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	893 (((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	894
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	895 long_dst = (unsigned long *)dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	896 long_src = (unsigned long *)src;
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 *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	899 memCount -= sizeof(long);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	900
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	901 dst = (unsigned char *)long_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	902 src = (unsigned char *)long_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	903 } else if ((memCount >= sizeof(short)) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	904 (((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	905 (((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	906
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	907 short_dst = (unsigned short *)dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	908 short_src = (unsigned short *)src;
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 *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	911 memCount -= sizeof(short);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	912
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	913 dst = (unsigned char *)short_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	914 src = (unsigned char *)short_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	915 } else {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	916 *dst++ = __read_prog_uint8(src++);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	917 memCount--;
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 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	920
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	921 __mem_fault = 0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	922
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	923 err:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	924 __mem_fault_handler = (void *)0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	925 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	926
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	927 static void
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	928 __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	929 {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	930 unsigned long *long_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	931 unsigned long *long_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	932 unsigned short *short_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	933 unsigned short *short_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	934
163 0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	935 // 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	936 // 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	937 if (memCount == 0) goto err;
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST jlarmour parents: 162 diff changeset	938
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	939 __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	940 /* when the copy loop completes. */
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	941 __mem_fault_handler = &&err;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	942
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	943 // 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	944 while (memCount) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	945 if ((memCount >= sizeof(long)) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	946 (((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	947 (((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	948
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	949 long_dst = (unsigned long *)dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	950 long_src = (unsigned long *)src;
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 __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	953 memCount -= sizeof(long);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	954
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	955 dst = (unsigned char *)long_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	956 src = (unsigned char *)long_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	957 } else if ((memCount >= sizeof(short)) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	958 (((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	959 (((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	960
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	961 short_dst = (unsigned short *)dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	962 short_src = (unsigned short *)src;
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 __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	965 memCount -= sizeof(short);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	966
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	967 dst = (unsigned char *)short_dst;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	968 src = (unsigned char *)short_src;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	969 } else {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	970 __write_prog_uint8(dst++, *src++);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	971 memCount--;
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 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	974
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	975 __mem_fault = 0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	976
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	977 err:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	978 __mem_fault_handler = (void *)0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	979 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	980
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 * __read_progmem_safe:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	983 * 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	984 */
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 int
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	987 __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	988 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	989 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	990 return 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	991
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	992 memCount = count;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	993 __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	994 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	995 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	996
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	997 /*
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	998 * __write_progmem_safe:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	999 * 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	1000 */
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1001
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1002 int
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1003 __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	1004 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	1005 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	1006 return 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 197 diff changeset	1007
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1008 memCount = count;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1009 __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	1010 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	1011 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1012 #endif
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 154 diff changeset	1013
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1014 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1015 // Target extras?!
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1016 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1017 __process_target_query(char * pkt, char * out, int maxOut)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1018 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1019 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1020 __process_target_set(char * pkt, char * out, int maxout)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1021 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1022 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1023 __process_target_packet(char * pkt, char * out, int maxout)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1024 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1025
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1026 // GDB string output, making sure interrupts are disabled.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1027 // This function gets used by some diag output functions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1028 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1029 hal_output_gdb_string(target_register_t str, int string_len)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1030 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1031 unsigned long __state;
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	1032 HAL_DISABLE_INTERRUPTS(__state);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1033 __output_gdb_string(str, string_len);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1034 HAL_RESTORE_INTERRUPTS(__state);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1035 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1036
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1037 #endif // CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS

Mercurial > ecos

annotate packages/hal/common/current/src/hal_stub.c @ 3292:7f8e529b4d82 default tip