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added changes from Steven Reiz <sreiz@aie.nl> (based on

Browse Source 
those by Poul-Henning Kamp <phk@data.fls.dk>) to get the kernel
to compile properly when gcc2.* is cc.  (should still work
when gcc1.39 is in use.)
This commit is contained in:
cgd 1993-04-03 02:15:18 +00:00
parent fafe485efe
commit 5d07e08579
6 changed files with 35 additions and 4 deletions
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3
lib/csu/i386/crt0.c
View File

@ -50,6 +50,9 @@ int errno = 0;
asm(".text");
asm(".long 0xc000c000");
asm(".long 0xc000c000");
asm(".long 0xc000c000");
asm(".long 0xc000c000");
extern unsigned char etext;
extern unsigned char eprol asm ("eprol");

8
sys/arch/i386/include/segments.h
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@ -42,6 +42,10 @@
* William F. Jolitz (william@ernie.berkeley.edu) 6/20/1989
*/
#if __GNUC__ >= 2
#pragma pack(1)
#endif
/*
* Selectors
*/
@ -194,3 +198,7 @@ struct region_descriptor {
#define NIDT 256
#define NRSVIDT 32 /* reserved entries for cpu exceptions */
#if __GNUC__ >= 2
#pragma pack(4)
#endif

22
sys/arch/i386/isa/npx.c
View File

@ -33,7 +33,7 @@
*
* @(#)npx.c 7.2 (Berkeley) 5/12/91
*/
static char rcsid[] = "$Header: /cvsroot/src/sys/arch/i386/isa/Attic/npx.c,v 1.1.1.1 1993/03/21 09:45:37 cgd Exp $";
static char rcsid[] = "$Header: /cvsroot/src/sys/arch/i386/isa/Attic/npx.c,v 1.2 1993/04/03 02:18:02 cgd Exp $";
#include "npx.h"
#if NNPX > 0
@ -126,7 +126,11 @@ npxinit(control) {
asm (" fninit");
asm(" fldcw %0" : : "g" (wd));
if (curpcb) {
#if __GNUC__ >= 2
asm(" fnsave 0(%0) " : : "a" (&curpcb->pcb_savefpu) );
#else
asm(" fnsave %0 " : : "g" (curpcb->pcb_savefpu) );
#endif
curpcb->pcb_flags |= FP_NEEDSRESTORE;
}
load_cr0(rcr0() | CR0_EM); /* start emulating */
@ -141,7 +145,11 @@ npxload() {
if (npxproc) panic ("npxload");
npxproc = curproc;
npxpcb = curpcb;
#if __GNUC__ >= 2
asm(" frstor 0(%0) " : : "a" (&curpcb->pcb_savefpu) );
#else
asm(" frstor %0 " : : "g" (curpcb->pcb_savefpu) );
#endif
}
/*
@ -150,7 +158,11 @@ npxload() {
npxunload() {
if (npxproc == 0) panic ("npxunload");
#if __GNUC__ >= 2
asm(" fsave 0(%0) " : : "a" (&npxpcb->pcb_savefpu) );
#else
asm(" fsave %0 " : : "g" (npxpcb->pcb_savefpu) );
#endif
npxproc = 0 ;
}
@ -167,7 +179,11 @@ static status;
asm (" fnstsw %0 " : "=m" (status) : "m" (status) );
/* sync state in process context structure, in advance of debugger/process looking for it */
if (npxproc == 0 || npxexists == 0) panic ("npxintr");
#if __GNUC__ >= 2
asm (" fnsave 0(%0) " : : "a" (&npxpcb->pcb_savefpu) );
#else
asm (" fnsave %0 " : : "g" (npxpcb->pcb_savefpu) );
#endif
#ifdef notyet
/* encode the appropriate code for detailed information on this exception */
@ -206,7 +222,11 @@ npxdna() {
if (npxexists == 0) return(0);
load_cr0(rcr0() & ~CR0_EM); /* stop emulating */
if (curpcb->pcb_flags & FP_NEEDSRESTORE)
#if __GNUC__ >= 2
asm(" frstor 0(%0) " : : "a" (&curpcb->pcb_savefpu));
#else
asm(" frstor %0 " : : "g" (curpcb->pcb_savefpu));
#endif
curpcb->pcb_flags |= FP_WASUSED | FP_NEEDSSAVE;
curpcb->pcb_flags &= ~FP_NEEDSRESTORE;
npxproc = curproc;

2
sys/kern/init_main.c
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@ -1 +1 @@
revision 1.3 intentionally removed
revision 1.4 intentionally removed

2
sys/kern/subr_xxx.c
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@ -198,7 +198,7 @@ bcmp(v1, v2, len)
#ifdef NEED_STRLEN
strlen(s1)
register char *s1;
const register char *s1;
{
register int len;

2
sys/sys/systm.h
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@ -1 +1 @@
revision 1.2 intentionally removed
revision 1.3 intentionally removed