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Add APCS-32 return instructions, though not used yet.

This commit is contained in:
bjh21 2001-01-09 12:11:57 +00:00
parent c9be164d2f
commit 84a9223126
1 changed files with 51 additions and 3 deletions
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54
sys/arch/arm26/arm26/copyinout.S
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@ -1,4 +1,4 @@
/* $NetBSD: copyinout.S,v 1.3 2001/01/01 16:00:42 bjh21 Exp $ */
/* $NetBSD: copyinout.S,v 1.4 2001/01/09 12:11:57 bjh21 Exp $ */
/*-
* Copyright (c) 2000 Ben Harris
@ -33,7 +33,7 @@
#include <machine/asm.h>
RCSID("$NetBSD: copyinout.S,v 1.3 2001/01/01 16:00:42 bjh21 Exp $")
RCSID("$NetBSD: copyinout.S,v 1.4 2001/01/09 12:11:57 bjh21 Exp $")
#include <sys/errno.h>
#include "assym.h"
@ -66,7 +66,11 @@ Lcopyinloop:
bne Lcopyinloop
mov r0, #0
str r0, [r4, #(U_PCB + PCB_ONFAULT)]
#ifdef __APCS_26__
ldmdb fp, {r4, fp, sp, pc}^
#else
ldmdb fp, {r4, fp, sp, pc}
#endif
/* int copyout(const void *kaddr, void *uaddr, size_t len); */
ENTRY(copyout)
@ -85,7 +89,11 @@ Lcopyoutloop:
bne Lcopyoutloop
mov r0, #0
str r0, [r4, #(U_PCB + PCB_ONFAULT)]
#ifdef __APCS_26__
ldmdb fp, {r4, fp, sp, pc}^
#else
ldmdb fp, {r4, fp, sp, pc}
#endif
/* int kcopy(const void *kfaddr, void *kdaddr, size_t len); */
ENTRY(kcopy)
@ -104,13 +112,21 @@ Lkcopyloop:
bne Lkcopyloop
mov r0, #0
str r0, [r4, #(U_PCB + PCB_ONFAULT)]
#ifdef __APCS_26__
ldmdb fp, {r4, fp, sp, pc}^
#else
ldmdb fp, {r4, fp, sp, pc}
#endif
Lcopyfault:
mov r1, #0
str r1, [r4, #(U_PCB + PCB_ONFAULT)]
/* Return value is provided by fault handler. */
#ifdef __APCS_26__
ldmdb fp, {r4, fp, sp, pc}^
#else
ldmdb fp, {r4, fp, sp, pc}
#endif
/* int copyinstr(const void *uaddr, void *kaddr, size_t len, size_t *done); */
ENTRY(copyinstr)
@ -136,7 +152,11 @@ Lcopyinstrloop:
str r0, [r5, #(U_PCB + PCB_ONFAULT)]
teq r4, #0
movne r0, #ENAMETOOLONG
#ifdef __APCS_26__
ldmdb fp, {r4, r5, r6, fp, sp, pc}^
#else
ldmdb fp, {r4, r5, r6, fp, sp, pc}
#endif
/* int copyoutstr(const void *kaddr, void *uaddr, size_t len, size_t *done); */
ENTRY(copyoutstr)
@ -162,7 +182,11 @@ Lcopyoutstrloop:
str r0, [r5, #(U_PCB + PCB_ONFAULT)]
teq r4, #0
movne r0, #ENAMETOOLONG
#ifdef __APCS_26__
ldmdb fp, {r4, r5, r6, fp, sp, pc}^
#else
ldmdb fp, {r4, r5, r6, fp, sp, pc}
#endif
/* int copystr(const void *kfaddr, void *kdaddr, size_t len, size_t *done); */
ENTRY(copystr)
@ -197,7 +221,11 @@ Lcopystrfault:
mov r1, #0
str r1, [r5, #(U_PCB + PCB_ONFAULT)]
/* Return value is provided by fault handler. */
#ifdef __APCS_26__
ldmdb fp, {r4, r5, r6, fp, sp, pc}^
#else
ldmdb fp, {r4, r5, r6, fp, sp, pc}
#endif
/* int fubyte(void *base); */
ENTRY(fubyte)
@ -210,7 +238,11 @@ ENTRY(fubyte)
ldrbt r0, [r0]
mov r1, #0
str r1, [r2, #(U_PCB + PCB_ONFAULT)]
#ifdef __APCS_26__
movs pc, ip
#else
mov pc, ip
#endif
/* int fuword(void *base); */
ENTRY(fuword)
@ -223,7 +255,11 @@ ENTRY(fuword)
ldrt r0, [r0]
mov r1, #0
str r1, [r2, #(U_PCB + PCB_ONFAULT)]
movs pc, lr
#ifdef __APCS_26__
movs pc, ip
#else
mov pc, ip
#endif
/* int subyte(void *base, int c); */
ENTRY(subyte)
@ -236,7 +272,11 @@ ENTRY(subyte)
strbt r1, [r0]
mov r0, #0
str r0, [r2, #(U_PCB + PCB_ONFAULT)]
#ifdef __APCS_26__
movs pc, ip
#else
mov pc, ip
#endif
/* int suword(void *base, long c); */
ENTRY(suword)
@ -249,13 +289,21 @@ ENTRY(suword)
strt r1, [r0]
mov r0, #0
str r0, [r2, #(U_PCB + PCB_ONFAULT)]
#ifdef __APCS_26__
movs pc, ip
#else
mov pc, ip
#endif
Lfusufault:
mov r0, #0
str r0, [r2, #(U_PCB + PCB_ONFAULT)]
mvn r0, #0
#ifdef __APCS_26__
movs pc, ip
#else
mov pc, ip
#endif
Lcurproc:
.word _C_LABEL(curproc)