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Add register use constraints to a bunch of asm() statements.

This commit is contained in:
briggs 1996-05-15 03:23:10 +00:00
parent 1350f9fb7d
commit df57030b9c
1 changed files with 26 additions and 21 deletions
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47
sys/arch/mac68k/mac68k/macrom.c
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@ -1,4 +1,4 @@
/* $NetBSD: macrom.c,v 1.23 1996/05/14 04:00:58 briggs Exp $ */
/* $NetBSD: macrom.c,v 1.24 1996/05/15 03:23:10 briggs Exp $ */
/*-
* Copyright (C) 1994 Bradley A. Grantham
@ -109,7 +109,8 @@ mrg_Delay()
asm(" movl a0, %0" /* get arguments */
:
: "g" (ticks));
: "g" (ticks)
: "a0" );
#if defined(MRG_DEBUG)
printf("mrg: mrg_Delay(%d) = %d ms\n", ticks, ticks * 60);
@ -152,13 +153,14 @@ mrg_VBLQueue()
printf("mrg: mrg_VBLQueue: calling VBL task at 0x%x with VBLTask block at %p\n",
*((u_int32_t *)(vbltask + vblAddr)), vbltask);
#endif
asm(" movml #0xfffe, sp@- /* better save all registers! */
asm(" movml #0xfffe, sp@-
movl %0, a0
movl %1, a1
jbsr a1@
movml sp@+, #0x7fff" /* better restore all registers! */
:
: "g" (vbltask), "g" (*((caddr_t)(vbltask + vblAddr))));
movml sp@+, #0x7fff"
:
: "g" (vbltask), "g" (*((caddr_t)(vbltask + vblAddr)))
: "a0", "a1");
#if defined(MRG_DEBUG)
printf("mrg: mrg_VBLQueue: back from VBL task\n");
#endif
@ -331,13 +333,14 @@ mrg_adbintr() /* Call ROM ADB Interrupt */
/* Gotta load a1 with VIA address. */
/* ADB int expects it from Mac intr routine. */
asm("
movml #0xffff, sp@- | better save all registers!
movml #0xffff, sp@-
movl %0, a0
movl _VIA, a1
jbsr a0@
movml sp@+, #0xffff" /* better restore all registers! */
movml sp@+, #0xffff"
:
: "g" (mrg_romadbintr));
: "g" (mrg_romadbintr)
: "a0", "a1");
#if defined(MRG_TRACE)
troff();
@ -359,13 +362,14 @@ mrg_pmintr() /* Call ROM PM Interrupt */
/* Gotta load a1 with VIA address. */
/* ADB int expects it from Mac intr routine. */
asm("
movml #0xffff, sp@- | better save all registers!
movml #0xffff, sp@-
movl %0, a0
movl _VIA, a1
jbsr a0@
movml sp@+, #0xffff" /* better restore all registers! */
movml sp@+, #0xffff"
:
: "g" (mrg_rompmintr));
: "g" (mrg_rompmintr)
: "a0", "a1");
#if defined(MRG_TRACE)
troff();
@ -399,7 +403,7 @@ mrg_NewPtr()
asm(" movl d1, %0
movl d0, %1"
: "=g" (trapword), "=g" (numbytes));
: "=g" (trapword), "=g" (numbytes) : : "d0", "d1");
#if defined(MRG_SHOWTRAPS)
printf("mrg: NewPtr(%d bytes, %sclear, %ssys)", numbytes,
@ -426,7 +430,7 @@ mrg_NewPtr()
bzero(ptr, numbytes); /* NewPtr, Clear ! */
}
asm(" movl %0, a0" : : "g" (ptr));
asm(" movl %0, a0" : : "g" (ptr) : "a0");
return(result);
}
@ -436,7 +440,7 @@ mrg_DisposPtr()
int result = noErr;
caddr_t ptr;
asm(" movl a0, %0" : "=g" (ptr));
asm(" movl a0, %0" : "=g" (ptr) : : "a0");
#if defined(MRG_SHOWTRAPS)
printf("mrg: DisposPtr(%x)\n", ptr);
@ -456,7 +460,7 @@ mrg_GetPtrSize()
{
caddr_t ptr;
asm(" movl a0, %0" : "=g" (ptr));
asm(" movl a0, %0" : "=g" (ptr) : : "a0");
#if defined(MRG_SHOWTRAPS)
printf("mrg: GetPtrSize(%x)\n", ptr);
@ -476,7 +480,7 @@ mrg_SetPtrSize()
asm(" movl a1, %0
movl d0, %1"
: "=g" (ptr), "=g" (newbytes));
: "=g" (ptr), "=g" (newbytes) : : "d0", "a1");
#if defined(MRG_SHOWTRAPS)
printf("mrg: SetPtrSize(%x, %d) failed\n", ptr, newbytes);
@ -505,7 +509,7 @@ mrg_SetTrapAddress()
asm(" movl a0, %0
movl d0, %1"
: "=g" (ptr), "=g" (trap_num));
: "=g" (ptr), "=g" (trap_num) : : "d0", "a0");
#if defined(MRG_DEBUG)
printf("mrg: trap 0x%x set to 0x%lx\n", trap_num, (long)ptr);
@ -956,7 +960,8 @@ setup_egret(void)
jbsr a1@
movml sp@+, a0-a2 "
:
: "g" (mrg_InitEgret), "g" (ADBState));
: "g" (mrg_InitEgret), "g" (ADBState)
: "a0", "a1");
jEgret = (void (*)) mrg_OStraps[0x92]; /* may have been set in asm() */
}
else printf("Help ... No vector for InitEgret!!\n");
@ -1197,8 +1202,8 @@ ADBAlternateInit(void)
movl %1, a3
jbsr a1@
movml sp@+, a0-a6/d0-d7"
:
: "g" (mrg_ADBAlternateInit), "g" (ADBBase) );
: "g" (mrg_ADBAlternateInit), "g" (ADBBase)
: "a1", "a3");
}
}