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

annotate packages/hal/powerpc/arch/current/src/context.S @ 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 ##=============================================================================
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 ##=============================================================================
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	8 #####ECOSGPLCOPYRIGHTBEGIN####
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	9 ## -------------------------------------------
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	10 ## This file is part of eCos, the Embedded Configurable Operating System.
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	11 ## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	12 ##
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	13 ## eCos is free software; you can redistribute it and/or modify it under
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	14 ## the terms of the GNU General Public License as published by the Free
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	15 ## Software Foundation; either version 2 or (at your option) any later version.
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	16 ##
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	17 ## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	18 ## WARRANTY; without even the implied warranty of MERCHANTABILITY or
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	19 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	20 ## for more details.
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	21 ##
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	22 ## You should have received a copy of the GNU General Public License along
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	23 ## with eCos; if not, write to the Free Software Foundation, Inc.,
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	24 ## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	25 ##
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	26 ## As a special exception, if other files instantiate templates or use macros
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	27 ## or inline functions from this file, or you compile this file and link it
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	28 ## with other works to produce a work based on this file, this file does not
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	29 ## by itself cause the resulting work to be covered by the GNU General Public
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	30 ## License. However the source code for this file must still be made available
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	31 ## in accordance with section (3) of the GNU General Public License.
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	32 ##
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	33 ## This exception does not invalidate any other reasons why a work based on
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	34 ## this file might be covered by the GNU General Public License.
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	35 ##
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	36 ## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	37 ## at http://sources.redhat.com/ecos/ecos-license/
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	38 ## -------------------------------------------
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	39 #####ECOSGPLCOPYRIGHTEND####
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	40 ##=============================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	41 #######DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	42 ##
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	43 ## Author(s): nickg
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	44 ## Contributors: nickg
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	45 ## Date: 1998-04-27
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	46 ## Purpose: PowerPC context switch code
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	47 ## Description: This file contains implementations of the thread context
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	48 ## switch routines. It also contains the longjmp() and setjmp()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	49 ## routines.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	50 ##
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 ##
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
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	55 #include <pkgconf/hal.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	56
76 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/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	58 #include <cyg/hal/ppc_offsets.inc>
0 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 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	61 # Configure to use either a minimal or maximal thread state
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	62
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	63 #ifdef CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	64
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	65 #define MIN_SAVE_REG 13
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	66 #define MAX_SAVE_REG 31
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	67
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	68 .macro save_special
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	69 .endm
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	70
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	71 .macro load_special
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	72 .endm
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	73 #else
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 MIN_SAVE_REG 6
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	76 #define MAX_SAVE_REG 31
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	77
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	78 .macro save_special
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	79 mfxer r6
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	80 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	81 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	82 stw r7,CYGARC_PPCREG_CTR(sp)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	83 .endm
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	84
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	85 .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	86 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	87 lwz r7,CYGARC_PPCREG_CTR(sp)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	88 mtxer r6
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	89 mtctr r7
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	90 .endm
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 #endif
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	93
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	94 #ifdef CYGHWR_HAL_POWERPC_FPU
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	95 #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	96
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	97 #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	98 #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	99
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	100 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	101
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	102 #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	103 #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	104
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	105 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	106 #endif
0 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 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	109 # hal_thread_switch_context
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	110 # Switch thread contexts
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	111 # R3 = address of sp of next thread to execute
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	112 # R4 = address of sp save location of current thread
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
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	115 FUNC_START(hal_thread_switch_context)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	116 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	117 subi sp,sp,CYGARC_PPC_CONTEXT_SIZE # space for state
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	118
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	119 # Save registers MIN..MAX
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	120 .set _reg,MIN_SAVE_REG
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	121 .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	122 stw _reg,(CYGARC_PPCREG_REGS+_reg*4)(sp)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	123 .set _reg,_reg+1
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	124 .endr
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	125
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	126 #ifdef CYGHWR_HAL_POWERPC_FPU
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	127 # Save floating point MIN..MAX
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	128 .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	129 .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	130 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	131 .set _freg, _freg+1
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	132 .endr
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	133 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	134
76 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 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	136 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	137 stw r2,CYGARC_PPCREG_REGS+2*4(sp) # R2 = TOC
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	138
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	139 # CR cannot be treated as a special register since GCC will only
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	140 # do partial restore of CR at function exit, depending on which
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	141 # of CR2, CR3, and CR4 have been used in the given function.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	142 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	143 stw r5,CYGARC_PPCREG_CR(sp)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	144
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	145 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	146 # 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	147 # aware debugging is required. This state does not need restoring.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	148 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	149 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	150 #endif
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	151
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	152 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	153 stw r5,CYGARC_PPCREG_MSR(sp)# msr (or PS)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	154
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	155 save_special # save special regs
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	156
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	157 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	158 stw r5,CYGARC_PPCREG_LR(sp)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	159
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	160 stw sp,0(r4) # save SP into save location
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 # Now load the destination thread by dropping through
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	163 # to hal_thread_load_context
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 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	166 # hal_thread_load_context
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	167 # Load thread context
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	168 # R3 = address of sp of next thread to execute
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	169 # 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	170 # and is simply dropped into from it.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	171
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	172 FUNC_START(hal_thread_load_context)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	173
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	174 lwz sp,0(r3) # load state directly into SP
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	175
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	176 load_special # load special registers
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	177
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	178 lwz r5,CYGARC_PPCREG_CR(sp) # restore CR
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	179 mtcr r5
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	180
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	181 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	182 mtlr r5
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	183
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	184 # Load registers MIN..MAX
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	185 .set _reg,MIN_SAVE_REG
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	186 .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	187 lwz _reg,(CYGARC_PPCREG_REGS+_reg*4)(sp)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	188 .set _reg,_reg+1
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	189 .endr
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	190
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	191 #ifdef CYGHWR_HAL_POWERPC_FPU
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	192 # Load floating registers MIN..MAX
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	193 .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	194 .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	195 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	196 .set _freg,_freg+1
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	197 .endr
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	198 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	199
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	200 lwz r3,CYGARC_PPCREG_MSR(sp) # merge interrupt state
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	201 hal_cpu_int_merge r3
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	202
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 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	204 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	205 lwz r3,CYGARC_PPCREG_REGS+3*4(sp) # load r3
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	206
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	207 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	208
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	209 blr # jump to LR
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 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	212 # HAL longjmp, setjmp implementations
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	213 # 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	214 # and lr into buffer supplied in r3[arg0]
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	215
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	216 FUNC_START(hal_setjmp)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	217 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	218 stw r5, CYGARC_JMPBUF_CR(r3)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	219 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	220 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	221 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	222 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	223 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	224 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	225 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	226 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	227 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	228 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	229 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	230 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	231 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	232 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	233 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	234 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	235 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	236 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	237 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	238 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	239 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	240 #ifdef CYGHWR_HAL_POWERPC_FPU
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	241 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	242 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	243 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	244 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	245 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	246 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	247 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	248 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	249 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	250 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	251 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	252 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	253 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	254 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	255 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	256 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	257 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	258 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	259 #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	260 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	261 stw sp, CYGARC_JMPBUF_SP(r3)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	262 li r3,0 # return 0
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	263 blr
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	264
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	265 # 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	266 # 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	267
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	268 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	269 lwz r5,CYGARC_JMPBUF_CR(r3)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	270 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	271 lwz r5,CYGARC_JMPBUF_LR(r3)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	272 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	273 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	274 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	275 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	276 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	277 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	278 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	279 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	280 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	281 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	282 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	283 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	284 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	285 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	286 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	287 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	288 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	289 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	290 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	291 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	292 #ifdef CYGHWR_HAL_POWERPC_FPU
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 76 diff changeset	293 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	294 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	295 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	296 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	297 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	298 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	299 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	300 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	301 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	302 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	303 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	304 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	305 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	306 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	307 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	308 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	309 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	310 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	311 #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	312 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	313 lwz sp, CYGARC_JMPBUF_SP(r3)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	314 mr r3,r4 # return r4[arg1]
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	315 blr
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 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	318 # end of context.S

Mercurial > flash_v2

annotate packages/hal/powerpc/arch/current/src/context.S @ 1777:c16341b1bac6 default tip