flash_v2: packages/hal/arm/arch/current/src/context.S annotate

annotate packages/hal/arm/arch/current/src/context.S @ 76:435cced73e2f ecos-v1_3_1-release

eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST

author	jlarmour
date	Tue, 28 Mar 2000 14:10:45 +0000
parents	bf00f99aec69
children	2085233a121a

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 // # context.S
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	4 // #
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	5 // # ARM context switch code
2 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 // #=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	8 // ####COPYRIGHTBEGIN####
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	9 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	10 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	11 // The contents of this file are subject to the Red Hat eCos Public License
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	12 // Version 1.1 (the "License"); you may not use this file except in
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	13 // compliance with the License. You may obtain a copy of the License at
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	14 // http://www.redhat.com/
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	15 //
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	16 // Software distributed under the License is distributed on an "AS IS"
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	18 // License for the specific language governing rights and limitations under
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	19 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	20 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	21 // The Original Code is eCos - Embedded Configurable Operating System,
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	22 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	24 // The Initial Developer of the Original Code is Red Hat.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	25 // Portions created by Red Hat are
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	27 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	28 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	29 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	30 // ####COPYRIGHTEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	31 // #=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	32 // ######DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	33 // #
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	34 // # Author(s): nickg, gthomas
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	35 // # Contributors: nickg, gthomas
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	36 // # Date: 1998-09-15
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	37 // # Purpose: ARM context switch code
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	38 // # Description: This file contains implementations of the thread context
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	39 // # switch routines. It also contains the longjmp() and setjmp()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	40 // # routines.
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 // #####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	43 // #
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	44 // #=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	45
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	46 #include <pkgconf/hal.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	47
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	48 #include "arm.inc"
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 .text
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 // function declaration macro
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	54
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	55 #define FUNC_START(name) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	56 .globl name; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	57 name:
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 // ------------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	60 // hal_thread_switch_context
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	61 // Switch thread contexts
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	62 // R0 = address of sp of next thread to execute
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	63 // R1 = address of sp save location of current thread
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	64
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	65 // Need to save/restore R4..R12, R13 (sp), R14 (lr)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	66
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	67 // Note: this is a little wasteful since r0..r3 don't need to be saved.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	68 // They are saved here though so that the information can match the HAL_SavedRegisters
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	69
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	70 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	71 .code 16
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	72 .thumb_func
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	73 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	74 FUNC_START(hal_thread_switch_context)
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	75 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	76 ldr r2,=hal_thread_switch_context_ARM
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	77 bx r2
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	78 .code 32
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	79 FUNC_START(hal_thread_switch_context_ARM)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	80 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	81 mov ip,sp // saved stack pointer
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 20 diff changeset	82 stmfd sp!,{fp,ip,lr,pc} // filler
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 20 diff changeset	83 stmfd sp!,{r0-r10,fp,ip,lr,pc}
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	84 mrs r2,cpsr
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	85 str r2,[sp,#armreg_cpsr]
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	86 str sp,[r1] // return new stack pointer
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	87 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	88 b hal_thread_load_context_ARM // skip mode switch stuff
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	89 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	90
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	91 # Now load the destination thread by dropping through
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	92 # to hal_thread_load_context
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	93
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	94 // ------------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	95 // hal_thread_load_context
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	96 // Load thread context
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	97 // R0 = address of sp of next thread to execute
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	98 // Note that this function is also the second half of hal_thread_switch_context
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	99 // and is simply dropped into from it.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	100
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	101 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	102 .code 16
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	103 .thumb_func
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	104 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	105 FUNC_START(hal_thread_load_context)
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	106 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	107 ldr r2,=hal_thread_load_context_ARM
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	108 bx r2
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	109 .code 32
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	110 FUNC_START(hal_thread_load_context_ARM)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	111 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	112 ldr fp,[r0] // get context to restore
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	113 mrs r0,cpsr // disable IRQ's
20 5f5102441818 Merge from eCos master repository on 1999-07-02-23:17:07-BST jlarmour parents: 2 diff changeset	114 orr r0,r0,#CPSR_IRQ_DISABLE\|CPSR_FIQ_DISABLE
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	115 msr cpsr,r0
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	116 ldr r0,[fp,#armreg_cpsr]
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	117 msr spsr,r0
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 20 diff changeset	118 ldmfd fp,{r0-r10,fp,sp,lr}
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	119 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	120 mrs r1,spsr // r1 is scratch
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	121 // [r0 holds initial thread arg]
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	122 msr cpsr,r1 // hopefully no mode switch here!
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	123 bx lr
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	124 #else
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 20 diff changeset	125 movs pc,lr // also restores saved PSR
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	126 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	127
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	128 // ------------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	129 // HAL longjmp, setjmp implementations
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	130 // hal_setjmp saves only to callee save registers 4-14
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	131 // and lr into buffer supplied in r0[arg0]
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	132
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	133 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	134 .code 16
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	135 .thumb_func
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	136 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	137 FUNC_START(hal_setjmp)
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	138 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	139 ldr r2,=hal_setjmp_ARM
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	140 bx r2
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	141 .code 32
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	142 FUNC_START(hal_setjmp_ARM)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	143 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	144 stmea r0,{r4-r14}
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	145 mov r0,#0
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	146 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	147 bx lr
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	148 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	149 mov pc,lr; # return
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	150 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	151
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	152 // hal_longjmp loads state from r0[arg0] and returns
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	153
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	154 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	155 .code 16
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	156 .thumb_func
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	157 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	158 FUNC_START(hal_longjmp)
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	159 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	160 ldr r2,=hal_longjmp_ARM
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	161 bx r2
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	162 .code 32
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	163 FUNC_START(hal_longjmp_ARM)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	164 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	165 ldmfd r0,{r4-r14}
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	166 mov r0,r1; # return [arg1]
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	167 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	168 bx lr
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	169 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	170 mov pc,lr
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	171 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	172
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	173 // ------------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	174 // end of context.S
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	175
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 38 diff changeset	176

Mercurial > flash_v2

annotate packages/hal/arm/arch/current/src/context.S @ 76:435cced73e2f ecos-v1_3_1-release