flash_v2: packages/hal/mn10300/arch/current/include/hal

annotate packages/hal/mn10300/arch/current/include/hal_arch.h @ 1777:c16341b1bac6 default tip

* Added execute permissions to files missed in conversion from CVS

author	alexs
date	Mon, 12 Oct 2009 02:26:09 +0100
parents	d2c90368aeef
children

rev	line source
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	1 #ifndef CYGONCE_HAL_HAL_ARCH_H
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	2 #define CYGONCE_HAL_HAL_ARCH_H
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	3 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	4 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	5 // hal_arch.h
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	6 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	7 // Architecture specific abstractions
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	8 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	9 //==========================================================================
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	10 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	11 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	12 // This file is part of eCos, the Embedded Configurable Operating System.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	14 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	15 // eCos is free software; you can redistribute it and/or modify it under
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	16 // the terms of the GNU General Public License as published by the Free
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	17 // Software Foundation; either version 2 or (at your option) any later version.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	18 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	19 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	20 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	21 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	22 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	23 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	24 // You should have received a copy of the GNU General Public License along
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	25 // with eCos; if not, write to the Free Software Foundation, Inc.,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	26 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	27 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	28 // As a special exception, if other files instantiate templates or use macros
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	29 // or inline functions from this file, or you compile this file and link it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	30 // with other works to produce a work based on this file, this file does not
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	31 // by itself cause the resulting work to be covered by the GNU General Public
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	32 // License. However the source code for this file must still be made available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	33 // in accordance with section (3) of the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	34 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	35 // This exception does not invalidate any other reasons why a work based on
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	36 // this file might be covered by the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	37 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	38 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	39 // at http://sources.redhat.com/ecos/ecos-license/
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	40 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 143 diff changeset	41 //####ECOSGPLCOPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	42 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	43 //#####DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	44 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	45 // Author(s): nickg
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	46 // Contributors: nickg, dmoseley
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	47 // Date: 1999-02-18
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	48 // Purpose: Define architecture abstractions
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	49 // Usage: #include <cyg/hal/hal_arch.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	50 //
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	51 //####DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	52 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	53 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	54
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	55 #include <pkgconf/hal.h>
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	56 #include <cyg/infra/cyg_type.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	57
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	58 #include <cyg/hal/var_arch.h>
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	59
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	60 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	61 // Exception handling function.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	62 // This function is defined by the kernel according to this prototype. It is
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	63 // invoked from the HAL to deal with any CPU exceptions that the HAL does
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	64 // not want to deal with itself. It usually invokes the kernel's exception
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	65 // delivery mechanism.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	66
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	67 externC void cyg_hal_deliver_exception( CYG_WORD code, CYG_ADDRWORD data );
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	68
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	69 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	70 // Bit manipulation routines
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	71
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	72 externC cyg_uint32 hal_lsbit_index(cyg_uint32 mask);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	73 externC cyg_uint32 hal_msbit_index(cyg_uint32 mask);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	74
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	75 #define HAL_LSBIT_INDEX(index, mask) index = hal_lsbit_index(mask);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	76
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	77 #define HAL_MSBIT_INDEX(index, mask) index = hal_msbit_index(mask);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	78
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	79 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	80 // Context Initialization
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	81 // Initialize the context of a thread.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	82 // Arguments:
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	83 // _sp_ name of variable containing current sp, will be written with new sp
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	84 // _thread_ thread object address, passed as argument to entry point
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	85 // _entry_ entry point address.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	86 // _id_ bit pattern used in initializing registers, for debugging.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	87
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	88 #ifndef HAL_THREAD_INIT_CONTEXT_EXTRA
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	89 #define HAL_THREAD_INIT_CONTEXT_EXTRA(_regs_, _id_)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	90 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	91
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	92 #define HAL_THREAD_INIT_CONTEXT( _sp_, _thread_, _entry_, _id_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	93 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	94 register HAL_SavedRegisters *_regs_; \
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	95 _regs_ = (HAL_SavedRegisters *)(((CYG_ADDRWORD)(_sp_)&~15) - \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	96 sizeof(HAL_SavedRegisters)*2); \
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	97 HAL_THREAD_INIT_CONTEXT_EXTRA(_regs_, _id_); \
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	98 _regs_->d0 = (CYG_WORD)(_thread_); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	99 _regs_->d1 = (_id_)\|0xddd1; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	100 _regs_->d2 = (_id_)\|0xddd2; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	101 _regs_->d3 = (_id_)\|0xddd3; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	102 _regs_->a0 = (_id_)\|0xaaa0; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	103 _regs_->a1 = (_id_)\|0xaaa1; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	104 _regs_->a2 = (_id_)\|0xaaa2; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	105 _regs_->a3 = (_id_)\|0xaaa3; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	106 _regs_->mdr = 0; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	107 _regs_->lir = 0; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	108 _regs_->lar = 0; \
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	109 _regs_->psw = 0x0000F00; \
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	110 _regs_->pc = (CYG_WORD)(_entry_); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	111 _sp_ = (CYG_ADDRESS)_regs_; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	112 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	113
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	114 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	115 // Context switch macros.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	116 // The arguments are pointers to locations where the stack pointer
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	117 // of the current thread is to be stored, and from where the sp of the
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	118 // next thread is to be fetched.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	119
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	120 externC void hal_thread_switch_context( CYG_ADDRESS to, CYG_ADDRESS from );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	121 externC void hal_thread_load_context( CYG_ADDRESS to )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	122 __attribute__ ((noreturn));
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	123
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	124 #define HAL_THREAD_SWITCH_CONTEXT(_fspptr_,_tspptr_) \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	125 hal_thread_switch_context((CYG_ADDRESS)_tspptr_, \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	126 (CYG_ADDRESS)_fspptr_);
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	127
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	128 #define HAL_THREAD_LOAD_CONTEXT(_tspptr_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	129 hal_thread_load_context( (CYG_ADDRESS)_tspptr_ );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	130
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	131 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	132 // Execution reorder barrier.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	133 // When optimizing the compiler can reorder code. In multithreaded systems
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	134 // where the order of actions is vital, this can sometimes cause problems.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	135 // This macro may be inserted into places where reordering should not happen.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	136
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	137 #define HAL_REORDER_BARRIER() asm volatile ( "" : : : "memory" )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	138
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	139 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	140 // Breakpoint support
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	141 // HAL_BREAKPOINT() is a code sequence that will cause a breakpoint to
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	142 // happen if executed.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	143 // HAL_BREAKINST is the value of the breakpoint instruction and
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	144 // HAL_BREAKINST_SIZE is its size in bytes.
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	145 // HAL_BREAKINST_TYPE is the type.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	146
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	147 #define HAL_BREAKPOINT(_label_) \
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	148 asm volatile (" .globl _" #_label_ ";" \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	149 "_"#_label_":" \
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	150 ".byte 0xFF" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	151 );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	152
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	153 #define HAL_BREAKINST 0xFF
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	154
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	155 #define HAL_BREAKINST_SIZE 1
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	156
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	157 #define HAL_BREAKINST_TYPE cyg_uint8
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	158
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	159 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	160 // Thread register state manipulation for GDB support.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	161
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	162 // Translate a stack pointer as saved by the thread context macros above into
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	163 // a pointer to a HAL_SavedRegisters structure.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	164 #define HAL_THREAD_GET_SAVED_REGISTERS( _sp_, _regs_ ) \
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	165 (_regs_) = (HAL_SavedRegisters *)(_sp_)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	166
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	167 #ifndef HAL_GET_GDB_EXTRA_REGISTERS
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	168 #define HAL_GET_GDB_EXTRA_REGISTERS( _regval_, _regs_ )
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	169 #endif
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	170 #ifndef HAL_SET_GDB_EXTRA_REGISTERS
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	171 #define HAL_SET_GDB_EXTRA_REGISTERS( _regs_, _regval_ )
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	172 #endif
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	173
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	174
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	175 // Copy a set of registers from a HAL_SavedRegisters structure into a
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	176 // GDB ordered array.
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	177 //
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	178 // The CYGMON version should differ by also handling SP and PSW
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	179 // since we will be using a different stack.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	180 #ifdef CYGPKG_CYGMON
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	181 #define HAL_GET_GDB_REGISTERS( _aregval_ , _regs_ ) \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	182 { \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	183 CYG_ADDRWORD _regval_ = (CYG_ADDRWORD )(_aregval_); \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	184 \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	185 _regval_[0] = (_regs_)->d0; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	186 _regval_[1] = (_regs_)->d1; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	187 _regval_[2] = (_regs_)->d2; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	188 _regval_[3] = (_regs_)->d3; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	189 _regval_[4] = (_regs_)->a0; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	190 _regval_[5] = (_regs_)->a1; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	191 _regval_[6] = (_regs_)->a2; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	192 _regval_[7] = (_regs_)->a3; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	193 \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	194 _regval_[8] = (_regs_)->sp; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	195 _regval_[9] = (_regs_)->pc; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	196 _regval_[10] = (_regs_)->mdr; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	197 _regval_[11] = (_regs_)->psw; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	198 \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	199 _regval_[12] = (_regs_)->lar; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	200 _regval_[13] = (_regs_)->lir; \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	201 HAL_GET_GDB_EXTRA_REGISTERS( _regval_, _regs_ ); \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	202 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	203 #else
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	204 #define HAL_GET_GDB_REGISTERS( _aregval_ , _regs_ ) \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	205 { \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	206 CYG_ADDRWORD _regval_ = (CYG_ADDRWORD )(_aregval_); \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	207 \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	208 _regval_[0] = (_regs_)->d0; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	209 _regval_[1] = (_regs_)->d1; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	210 _regval_[2] = (_regs_)->d2; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	211 _regval_[3] = (_regs_)->d3; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	212 _regval_[4] = (_regs_)->a0; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	213 _regval_[5] = (_regs_)->a1; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	214 _regval_[6] = (_regs_)->a2; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	215 _regval_[7] = (_regs_)->a3; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	216 \
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	217 _regval_[8] = (_regs_)->sp = (CYG_ADDRWORD)(_regs_) + \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	218 sizeof(HAL_SavedRegisters); \
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	219 _regval_[9] = (_regs_)->pc; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	220 _regval_[10] = (_regs_)->mdr; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	221 _regval_[11] = (_regs_)->psw; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	222 \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	223 _regval_[12] = (_regs_)->lar; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	224 _regval_[13] = (_regs_)->lir; \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	225 HAL_GET_GDB_EXTRA_REGISTERS( _regval_, _regs_ ); \
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	226 }
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	227 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	228
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	229 // Copy a GDB ordered array into a HAL_SavedRegisters structure.
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	230 //
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	231 // The CYGMON version should differ by also handling SP and PSW
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	232 // since we will be using a different stack.
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	233 #ifdef CYGPKG_CYGMON
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	234 #define HAL_SET_GDB_REGISTERS( _regs_ , _aregval_ ) \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	235 { \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	236 CYG_ADDRWORD _regval_ = (CYG_ADDRWORD )(_aregval_); \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	237 \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	238 (_regs_)->d0 = _regval_[0]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	239 (_regs_)->d1 = _regval_[1]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	240 (_regs_)->d2 = _regval_[2]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	241 (_regs_)->d3 = _regval_[3]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	242 (_regs_)->a0 = _regval_[4]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	243 (_regs_)->a1 = _regval_[5]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	244 (_regs_)->a2 = _regval_[6]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	245 (_regs_)->a3 = _regval_[7]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	246 \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	247 (_regs_)->sp = _regval_[8]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	248 (_regs_)->pc = _regval_[9]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	249 (_regs_)->mdr = _regval_[10]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	250 (_regs_)->psw = _regval_[11]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	251 \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	252 (_regs_)->lar = _regval_[12]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	253 (_regs_)->lir = _regval_[13]; \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	254 \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	255 HAL_SET_GDB_EXTRA_REGISTERS( _regs_, _regval_ ); \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	256 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	257 #else
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	258 #define HAL_SET_GDB_REGISTERS( _regs_ , _aregval_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	259 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	260 CYG_ADDRWORD _regval_ = (CYG_ADDRWORD )(_aregval_); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	261 \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	262 (_regs_)->d0 = _regval_[0]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	263 (_regs_)->d1 = _regval_[1]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	264 (_regs_)->d2 = _regval_[2]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	265 (_regs_)->d3 = _regval_[3]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	266 (_regs_)->a0 = _regval_[4]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	267 (_regs_)->a1 = _regval_[5]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	268 (_regs_)->a2 = _regval_[6]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	269 (_regs_)->a3 = _regval_[7]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	270 \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	271 (_regs_)->pc = _regval_[9]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	272 (_regs_)->mdr = _regval_[10]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	273 \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	274 (_regs_)->lar = _regval_[12]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	275 (_regs_)->lir = _regval_[13]; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	276 \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	277 /* We do not allow the SP or PSW to be set. Changing the SP will \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	278 * mess up the saved state. No PSW is saved on thread context \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	279 * switches, so there is nowhere to save it to. \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	280 */ \
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	281 \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	282 HAL_SET_GDB_EXTRA_REGISTERS( _regs_, _regval_ ); \
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	283 }
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 101 diff changeset	284 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	285
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	286 //-------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	287 // HAL setjmp
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	288 // Note: These definitions are repeated in context.S. If changes are required
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	289 // remember to update both sets.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	290
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	291 #define CYGARC_JMP_BUF_SP 0
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	292 #define CYGARC_JMP_BUF_D2 1
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	293 #define CYGARC_JMP_BUF_D3 2
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	294 #define CYGARC_JMP_BUF_A2 3
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	295 #define CYGARC_JMP_BUF_A3 4
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	296 #define CYGARC_JMP_BUF_LR 5
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	297
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	298 #define CYGARC_JMP_BUF_SIZE 6
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	299
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	300 typedef cyg_uint32 hal_jmp_buf[CYGARC_JMP_BUF_SIZE];
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	301
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	302 externC int hal_setjmp(hal_jmp_buf env);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	303 externC void hal_longjmp(hal_jmp_buf env, int val);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	304
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	305 //-------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	306 // Idle thread code.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	307 // This macro is called in the idle thread loop, and gives the HAL the
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	308 // chance to insert code. Typical idle thread behaviour might be to halt the
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	309 // processor.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	310
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	311 externC void hal_idle_thread_action(cyg_uint32 loop_count);
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	312
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 6 diff changeset	313 #define HAL_IDLE_THREAD_ACTION(_count_) hal_idle_thread_action(_count_)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	314
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	315 //-----------------------------------------------------------------------------
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	316 // Minimal and sensible stack sizes: the intention is that applications
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	317 // will use these to provide a stack size in the first instance prior to
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	318 // proper analysis. Idle thread stack should be this big.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	319
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	320 // THESE ARE NOT INTENDED TO BE MICROMETRICALLY ACCURATE FIGURES.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	321 // THEY ARE HOWEVER ENOUGH TO START PROGRAMMING.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	322 // YOU MUST MAKE YOUR STACKS LARGER IF YOU HAVE LARGE "AUTO" VARIABLES!
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	323
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	324 // We define quite large stack needs for SPARClite, for it requires 576
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	325 // bytes (144 words) to process an interrupt and thread-switch, and
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	326 // momentarily, but needed in case of recursive interrupts, it needs 208
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	327 // words - if a sequence of saves to push out other regsets is interrupted.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	328
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	329 // This is not a config option because it should not be adjusted except
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	330 // under "enough rope" sort of disclaimers.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	331
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	332 // Worst case stack frame size: return link + 4 args + 4 pushed registers.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	333 #define CYGNUM_HAL_STACK_FRAME_SIZE (40)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	334
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	335 // Stack needed for a context switch:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	336 #define CYGNUM_HAL_STACK_CONTEXT_SIZE (60)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	337
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	338 // Interrupt + call to ISR, interrupt_end() and the DSR
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	339 #define CYGNUM_HAL_STACK_INTERRUPT_SIZE (128)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	340
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	341 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	342
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	343 // An interrupt stack which is large enough for all possible interrupt
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	344 // conditions (and only used for that purpose) exists. "User" stacks
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	345 // can be much smaller
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	346
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	347 #define CYGNUM_HAL_STACK_SIZE_MINIMUM (CYGNUM_HAL_STACK_CONTEXT_SIZE+ \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	348 CYGNUM_HAL_STACK_INTERRUPT_SIZE*2+ \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	349 CYGNUM_HAL_STACK_FRAME_SIZE*16)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	350 #define CYGNUM_HAL_STACK_SIZE_TYPICAL (2048)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	351
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	352 #else // CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	353
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	354 // No separate interrupt stack exists. Make sure all threads contain
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	355 // a stack sufficiently large.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	356
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	357 #define CYGNUM_HAL_STACK_SIZE_MINIMUM (4096)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	358 #define CYGNUM_HAL_STACK_SIZE_TYPICAL (4096)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	359
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	360 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	361
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	362 //--------------------------------------------------------------------------
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	363 // Macros for switching context between two eCos instances (jump from
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	364 // code in ROM to code in RAM or vice versa).
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	365 #define CYGARC_HAL_SAVE_GP()
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	366 #define CYGARC_HAL_RESTORE_GP()
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	367
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	368 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	369 #endif // CYGONCE_HAL_HAL_ARCH_H
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	370 // EOF hal_arch.h

Mercurial > flash_v2

annotate packages/hal/mn10300/arch/current/include/hal_arch.h @ 1777:c16341b1bac6 default tip