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Merged from sys/i386/isa/npx.c revision 1.87.

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This commit is contained in:
KATO Takenori 2001-01-12 13:42:53 +00:00
parent 7590772d33
commit 55d15a0439
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=70969
1 changed files with 17 additions and 17 deletions
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34
sys/pc98/pc98/npx.c
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@ -543,8 +543,8 @@ npxinit(control)
npxsave(&dummy);
stop_emulating();
fldcw(&control);
if (curpcb != NULL)
fnsave(&curpcb->pcb_savefpu);
if (PCPU_GET(curpcb) != NULL)
fnsave(&PCPU_GET(curpcb)->pcb_savefpu);
start_emulating();
}
@ -556,14 +556,14 @@ npxexit(p)
struct proc *p;
{
if (p == npxproc)
npxsave(&curpcb->pcb_savefpu);
if (p == PCPU_GET(npxproc))
npxsave(&PCPU_GET(curpcb)->pcb_savefpu);
#ifdef NPX_DEBUG
if (npx_exists) {
u_int masked_exceptions;
masked_exceptions = curpcb->pcb_savefpu.sv_env.en_cw
& curpcb->pcb_savefpu.sv_env.en_sw & 0x7f;
masked_exceptions = PCPU_GET(curpcb)->pcb_savefpu.sv_env.en_cw
&PCPU_GET(curpcb)->pcb_savefpu.sv_env.en_sw & 0x7f;
/*
* Log exceptions that would have trapped with the old
* control word (overflow, divide by 0, and invalid operand).
@ -772,14 +772,14 @@ npx_intr(dummy)
u_short control;
struct intrframe *frame;
if (npxproc == NULL || !npx_exists) {
if (PCPU_GET(npxproc) == NULL || !npx_exists) {
printf("npxintr: npxproc = %p, curproc = %p, npx_exists = %d\n",
npxproc, curproc, npx_exists);
PCPU_GET(npxproc), curproc, npx_exists);
panic("npxintr from nowhere");
}
if (npxproc != curproc) {
if (PCPU_GET(npxproc) != curproc) {
printf("npxintr: npxproc = %p, curproc = %p, npx_exists = %d\n",
npxproc, curproc, npx_exists);
PCPU_GET(npxproc), curproc, npx_exists);
panic("npxintr from non-current process");
}
@ -788,7 +788,7 @@ npx_intr(dummy)
#else
outb(0xf0, 0);
#endif
fnstsw(&curpcb->pcb_savefpu.sv_ex_sw);
fnstsw(&PCPU_GET(curpcb)->pcb_savefpu.sv_ex_sw);
fnstcw(&control);
fnclex();
@ -814,8 +814,8 @@ npx_intr(dummy)
* this exception.
*/
code =
fpetable[(curpcb->pcb_savefpu.sv_ex_sw & ~control & 0x3f) |
(curpcb->pcb_savefpu.sv_ex_sw & 0x40)];
fpetable[(PCPU_GET(curpcb)->pcb_savefpu.sv_ex_sw & ~control & 0x3f) |
(PCPU_GET(curpcb)->pcb_savefpu.sv_ex_sw & 0x40)];
trapsignal(curproc, SIGFPE, code);
} else {
/*
@ -848,9 +848,9 @@ npxdna()
{
if (!npx_exists)
return (0);
if (npxproc != NULL) {
if (PCPU_GET(npxproc) != NULL) {
printf("npxdna: npxproc = %p, curproc = %p\n",
npxproc, curproc);
PCPU_GET(npxproc), curproc);
panic("npxdna");
}
stop_emulating();
@ -858,7 +858,7 @@ npxdna()
* Record new context early in case frstor causes an IRQ13.
*/
PCPU_SET(npxproc, CURPROC);
curpcb->pcb_savefpu.sv_ex_sw = 0;
PCPU_GET(curpcb)->pcb_savefpu.sv_ex_sw = 0;
/*
* The following frstor may cause an IRQ13 when the state being
* restored has a pending error. The error will appear to have been
@ -871,7 +871,7 @@ npxdna()
* fnsave are broken, so our treatment breaks fnclex if it is the
* first FPU instruction after a context switch.
*/
frstor(&curpcb->pcb_savefpu);
frstor(&PCPU_GET(curpcb)->pcb_savefpu);
return (1);
}