ecos: packages/hal/powerpc/arch/current/src/context.S annotate

annotate packages/hal/powerpc/arch/current/src/context.S @ 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	842a82a508f3
children

rev	line source
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	1 ##=============================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	2 ##
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	3 ## context.S
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	4 ##
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	5 ## PowerPC context switch code
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	6 ##
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	7 ##=============================================================================
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 210 diff changeset	8 ## ####ECOSGPLCOPYRIGHTBEGIN####
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 210 diff changeset	9 ## -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 210 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: 210 diff changeset	11 ## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	12 ##
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 210 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: 210 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: 210 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: 210 diff changeset	16 ## version.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	17 ##
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 210 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: 210 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: 210 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: 210 diff changeset	21 ## for more details.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	22 ##
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 210 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: 210 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: 210 diff changeset	25 ## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	26 ##
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 210 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: 210 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: 210 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: 210 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: 210 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: 210 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: 210 diff changeset	33 ## General Public License v2.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	34 ##
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 210 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: 210 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: 210 diff changeset	37 ## -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 210 diff changeset	38 ## ####ECOSGPLCOPYRIGHTEND####
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	39 ##=============================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	40 #######DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	41 ##
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	42 ## Author(s): nickg
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	43 ## Contributors: nickg
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	44 ## Date: 1998-04-27
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	45 ## Purpose: PowerPC context switch code
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	46 ## Description: This file contains implementations of the thread context
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	47 ## switch routines. It also contains the longjmp() and setjmp()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	48 ## routines.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	49 ##
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	50 ######DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	51 ##
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	52 ##=============================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	53
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	54 #include <pkgconf/hal.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	55
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	56 #include <cyg/hal/arch.inc>
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	57 #include <cyg/hal/ppc_offsets.inc>
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	58
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	59 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	60 # Configure to use either a minimal or maximal thread state
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	61
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	62 #ifdef CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	63
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	64 #define MIN_SAVE_REG 13
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	65 #define MAX_SAVE_REG 31
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	66
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	67 .macro save_special
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	68 .endm
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	69
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	70 .macro load_special
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	71 .endm
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	72 #else
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	73
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	74 #define MIN_SAVE_REG 6
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	75 #define MAX_SAVE_REG 31
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 .macro save_special
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	78 mfxer r6
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	79 mfctr r7
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	80 stw r6,CYGARC_PPCREG_XER(sp)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	81 stw r7,CYGARC_PPCREG_CTR(sp)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	82 .endm
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	83
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	84 .macro load_special
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	85 lwz r6,CYGARC_PPCREG_XER(sp)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	86 lwz r7,CYGARC_PPCREG_CTR(sp)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	87 mtxer r6
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	88 mtctr r7
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	89 .endm
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	90
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	91 #endif
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	92
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	93 #ifdef CYGHWR_HAL_POWERPC_FPU
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	94 #ifdef CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	95
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	96 #define MIN_CONTEXT_SAVE_FREG 14
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	97 #define MAX_CONTEXT_SAVE_FREG 31
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	98
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	99 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	100
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	101 #define MIN_CONTEXT_SAVE_FREG 0
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	102 #define MAX_CONTEXT_SAVE_FREG 31
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	103
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	104 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	105 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	106
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	107 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	108 # hal_thread_switch_context
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	109 # Switch thread contexts
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	110 # R3 = address of sp of next thread to execute
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	111 # R4 = address of sp save location of current thread
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
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	114 FUNC_START(hal_thread_switch_context)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	115 mr r5,sp # R5 = saved 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	116 subi sp,sp,CYGARC_PPC_CONTEXT_SIZE # space for state
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	117
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	118 # Save registers MIN..MAX
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	119 .set _reg,MIN_SAVE_REG
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	120 .rept MAX_SAVE_REG+1-MIN_SAVE_REG
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	121 stw _reg,(CYGARC_PPCREG_REGS+_reg*4)(sp)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	122 .set _reg,_reg+1
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	123 .endr
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	124
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	125 #ifdef CYGHWR_HAL_POWERPC_FPU
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	126 # Save floating point MIN..MAX
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	127 .set _freg, MIN_CONTEXT_SAVE_FREG
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	128 .rept MAX_CONTEXT_SAVE_FREG+1-MIN_CONTEXT_SAVE_FREG
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	129 stfd _freg,(CYGARC_PPCREG_FREGS+_freg*8)(sp)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	130 .set _freg, _freg+1
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	131 .endr
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	132 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	133
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	134 stw r0,CYGARC_PPCREG_REGS+0*4(sp) # R0
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	135 stw r5,CYGARC_PPCREG_REGS+1*4(sp) # R5 = real SP, save in R1 slot
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	136 stw r2,CYGARC_PPCREG_REGS+2*4(sp) # R2 = TOC
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	137
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	138 # CR cannot be treated as a special register since GCC will only
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	139 # do partial restore of CR at function exit, depending on which
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	140 # of CR2, CR3, and CR4 have been used in the given function.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	141 mfcr r5 # save CR.
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	142 stw r5,CYGARC_PPCREG_CR(sp)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	143
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	144 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	145 # Make the thread context look like an exception context if thread-
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	146 # aware debugging is required. This state does not need restoring.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	147 mflr r5
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	148 stw r5,CYGARC_PPCREG_PC(sp) # pc of caller
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	149 #endif
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	150
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	151 mfmsr r5
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	152 stw r5,CYGARC_PPCREG_MSR(sp)# msr (or PS)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	153
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	154 save_special # save special regs
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	155
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	156 mflr r5 # save LR == return link for this fn
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	157 stw r5,CYGARC_PPCREG_LR(sp)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	158
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	159 stw sp,0(r4) # save SP into save location
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	160
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	161 # Now load the destination thread by dropping through
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	162 # to hal_thread_load_context
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	163
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	164 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	165 # hal_thread_load_context
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	166 # Load thread context
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	167 # R3 = address of sp of next thread to execute
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	168 # Note that this function is also the second half of hal_thread_switch_context
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	169 # and is simply dropped into from it.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	170
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	171 FUNC_START(hal_thread_load_context)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	172
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	173 lwz sp,0(r3) # load state directly into SP
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	174
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	175 load_special # load special registers
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	176
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	177 lwz r5,CYGARC_PPCREG_CR(sp) # restore CR
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	178 mtcr r5
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	179
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	180 lwz r5,CYGARC_PPCREG_LR(sp) # get LR as set as return link
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	181 mtlr r5
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	182
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	183 # Load registers MIN..MAX
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	184 .set _reg,MIN_SAVE_REG
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	185 .rept MAX_SAVE_REG+1-MIN_SAVE_REG
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	186 lwz _reg,(CYGARC_PPCREG_REGS+_reg*4)(sp)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	187 .set _reg,_reg+1
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	188 .endr
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	189
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	190 #ifdef CYGHWR_HAL_POWERPC_FPU
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	191 # Load floating registers MIN..MAX
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	192 .set _freg, MIN_CONTEXT_SAVE_FREG
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	193 .rept MAX_CONTEXT_SAVE_FREG+1-MIN_CONTEXT_SAVE_FREG
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	194 lfd _freg,(CYGARC_PPCREG_FREGS+_freg*8)(sp)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	195 .set _freg,_freg+1
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	196 .endr
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	197 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	198
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	199 lwz r3,CYGARC_PPCREG_MSR(sp) # merge interrupt state
2883 842a82a508f3 Add Book E architecture support. See the ChangeLog for full details. nickg parents: 2729 diff changeset	200 hal_cpu_int_merge r3,r2
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	201
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	202 lwz r0,CYGARC_PPCREG_REGS+0*4(sp) # R0
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	203 lwz r2,CYGARC_PPCREG_REGS+2*4(sp) # R2 = TOC
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	204 lwz r3,CYGARC_PPCREG_REGS+3*4(sp) # load r3
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	205
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	206 lwz sp,CYGARC_PPCREG_REGS+1*4(sp) # finally restore true SP
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	207
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	208 blr # jump to LR
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	209
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	210 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	211 # HAL longjmp, setjmp implementations
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	212 # hal_setjmp saves only to callee save registers 13-31, r1[sp],r2, cr[2-4]
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	213 # and lr into buffer supplied in r3[arg0]
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	214
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	215 FUNC_START(hal_setjmp)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	216 mfcr r5
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	217 stw r5, CYGARC_JMPBUF_CR(r3)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	218 mflr r5
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	219 stw r5, CYGARC_JMPBUF_LR(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	220 stw r31,CYGARC_JMPBUF_R31(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	221 stw r30,CYGARC_JMPBUF_R30(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	222 stw r29,CYGARC_JMPBUF_R29(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	223 stw r28,CYGARC_JMPBUF_R28(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	224 stw r27,CYGARC_JMPBUF_R27(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	225 stw r26,CYGARC_JMPBUF_R26(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	226 stw r25,CYGARC_JMPBUF_R25(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	227 stw r24,CYGARC_JMPBUF_R24(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	228 stw r23,CYGARC_JMPBUF_R23(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	229 stw r22,CYGARC_JMPBUF_R22(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	230 stw r21,CYGARC_JMPBUF_R21(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	231 stw r20,CYGARC_JMPBUF_R20(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	232 stw r19,CYGARC_JMPBUF_R19(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	233 stw r18,CYGARC_JMPBUF_R18(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	234 stw r17,CYGARC_JMPBUF_R17(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	235 stw r16,CYGARC_JMPBUF_R16(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	236 stw r15,CYGARC_JMPBUF_R15(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	237 stw r14,CYGARC_JMPBUF_R14(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	238 stw r13,CYGARC_JMPBUF_R13(r3)
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	239 #ifdef CYGHWR_HAL_POWERPC_FPU
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	240 stfd f31,CYGARC_JMPBUF_F31(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	241 stfd f30,CYGARC_JMPBUF_F30(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	242 stfd f29,CYGARC_JMPBUF_F29(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	243 stfd f28,CYGARC_JMPBUF_F28(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	244 stfd f27,CYGARC_JMPBUF_F27(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	245 stfd f26,CYGARC_JMPBUF_F26(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	246 stfd f25,CYGARC_JMPBUF_F25(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	247 stfd f24,CYGARC_JMPBUF_F24(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	248 stfd f23,CYGARC_JMPBUF_F23(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	249 stfd f22,CYGARC_JMPBUF_F22(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	250 stfd f21,CYGARC_JMPBUF_F21(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	251 stfd f20,CYGARC_JMPBUF_F20(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	252 stfd f19,CYGARC_JMPBUF_F19(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	253 stfd f18,CYGARC_JMPBUF_F18(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	254 stfd f17,CYGARC_JMPBUF_F17(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	255 stfd f16,CYGARC_JMPBUF_F16(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	256 stfd f15,CYGARC_JMPBUF_F15(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	257 stfd f14,CYGARC_JMPBUF_F14(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	258 #endif
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	259 stw r2, CYGARC_JMPBUF_R2(r3) # TOC, optimize out?
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	260 stw sp, CYGARC_JMPBUF_SP(r3)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	261 li r3,0 # return 0
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	262 blr
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	263
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	264 # hal_longjmp loads state from r3[arg0] and returns
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	265 # to the setjmp caller with r4[arg1] as return value
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	266
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	267 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	268 lwz r5,CYGARC_JMPBUF_CR(r3)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	269 mtcr r5
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	270 lwz r5,CYGARC_JMPBUF_LR(r3)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	271 mtlr r5
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	272 lwz r31,CYGARC_JMPBUF_R31(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	273 lwz r30,CYGARC_JMPBUF_R30(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	274 lwz r29,CYGARC_JMPBUF_R29(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	275 lwz r28,CYGARC_JMPBUF_R28(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	276 lwz r27,CYGARC_JMPBUF_R27(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	277 lwz r26,CYGARC_JMPBUF_R26(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	278 lwz r25,CYGARC_JMPBUF_R25(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	279 lwz r24,CYGARC_JMPBUF_R24(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	280 lwz r23,CYGARC_JMPBUF_R23(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	281 lwz r22,CYGARC_JMPBUF_R22(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	282 lwz r21,CYGARC_JMPBUF_R21(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	283 lwz r20,CYGARC_JMPBUF_R20(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	284 lwz r19,CYGARC_JMPBUF_R19(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	285 lwz r18,CYGARC_JMPBUF_R18(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	286 lwz r17,CYGARC_JMPBUF_R17(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	287 lwz r16,CYGARC_JMPBUF_R16(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	288 lwz r15,CYGARC_JMPBUF_R15(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	289 lwz r14,CYGARC_JMPBUF_R14(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	290 lwz r13,CYGARC_JMPBUF_R13(r3)
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	291 #ifdef CYGHWR_HAL_POWERPC_FPU
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	292 lfd f31,CYGARC_JMPBUF_F31(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	293 lfd f30,CYGARC_JMPBUF_F30(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	294 lfd f29,CYGARC_JMPBUF_F29(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	295 lfd f28,CYGARC_JMPBUF_F28(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	296 lfd f27,CYGARC_JMPBUF_F27(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	297 lfd f26,CYGARC_JMPBUF_F26(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	298 lfd f25,CYGARC_JMPBUF_F25(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	299 lfd f24,CYGARC_JMPBUF_F24(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	300 lfd f23,CYGARC_JMPBUF_F23(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	301 lfd f22,CYGARC_JMPBUF_F22(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	302 lfd f21,CYGARC_JMPBUF_F21(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	303 lfd f20,CYGARC_JMPBUF_F20(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	304 lfd f19,CYGARC_JMPBUF_F19(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	305 lfd f18,CYGARC_JMPBUF_F18(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	306 lfd f17,CYGARC_JMPBUF_F17(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	307 lfd f16,CYGARC_JMPBUF_F16(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	308 lfd f15,CYGARC_JMPBUF_F15(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	309 lfd f14,CYGARC_JMPBUF_F14(r3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	310 #endif
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	311 lwz r2, CYGARC_JMPBUF_R2(r3)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	312 lwz sp, CYGARC_JMPBUF_SP(r3)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	313 mr r3,r4 # return r4[arg1]
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	314 blr
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	315
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	316 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	317 # end of context.S

Mercurial > ecos

annotate packages/hal/powerpc/arch/current/src/context.S @ 3292:7f8e529b4d82 default tip