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Dump fp regs into core file.

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This commit is contained in:
tsubai 2000-06-04 12:12:13 +00:00
parent 8ff5b7bdd6
commit 0552fd6de2
1 changed files with 21 additions and 14 deletions
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35
sys/arch/powerpc/powerpc/vm_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: vm_machdep.c,v 1.17 2000/05/28 05:49:03 thorpej Exp $ */
/* $NetBSD: vm_machdep.c,v 1.18 2000/06/04 12:12:13 tsubai Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -49,7 +49,7 @@
/*
* Finish a fork operation, with process p2 nearly set up.
* Copy and update the pcb and trap frame, making the child ready to run.
*
*
* Rig the child's kernel stack so that it will start out in
* fork_trampoline() and call child_return() with p2 as an
* argument. This causes the newly-created child process to go
@ -90,7 +90,7 @@ cpu_fork(p1, p2, stack, stacksize, func, arg)
if (p1 == fpuproc)
save_fpu(p1);
*pcb = p1->p_addr->u_pcb;
pcb->pcb_pm = p2->p_vmspace->vm_map.pmap;
(void) pmap_extract(pmap_kernel(), (vaddr_t)pcb->pcb_pm,
(paddr_t *)&pcb->pcb_pmreal);
@ -109,13 +109,13 @@ cpu_fork(p1, p2, stack, stacksize, func, arg)
tf->fixreg[1] = (register_t)stack + stacksize;
stktop2 = (caddr_t)((u_long)stktop2 & ~15); /* Align stack pointer */
/*
* There happens to be a callframe, too.
*/
cf = (struct callframe *)stktop2;
cf->lr = (int)fork_trampoline;
/*
* Below the trap frame, there is another call frame:
*/
@ -123,7 +123,7 @@ cpu_fork(p1, p2, stack, stacksize, func, arg)
cf = (struct callframe *)stktop2;
cf->r31 = (register_t)func;
cf->r30 = (register_t)arg;
/*
* Below that, we allocate the switch frame:
*/
@ -141,7 +141,7 @@ cpu_swapin(p)
struct proc *p;
{
struct pcb *pcb = &p->p_addr->u_pcb;
(void) pmap_extract(pmap_kernel(), (vaddr_t)pcb->pcb_pm,
(paddr_t *)&pcb->pcb_pmreal);
}
@ -156,7 +156,7 @@ pagemove(from, to, size)
{
paddr_t pa;
vaddr_t va;
for (va = (vaddr_t)from; size > 0; size -= NBPG) {
(void) pmap_extract(pmap_kernel(), va, &pa);
pmap_remove(pmap_kernel(), va, va + NBPG);
@ -182,7 +182,7 @@ cpu_exit(p)
{
if (p == fpuproc) /* release the fpu */
fpuproc = 0;
switchexit(p);
}
@ -199,8 +199,9 @@ cpu_coredump(p, vp, cred, chdr)
struct coreseg cseg;
struct md_coredump md_core;
struct trapframe *tf;
struct pcb *pcb = &p->p_addr->u_pcb;
int error;
CORE_SETMAGIC(*chdr, COREMAGIC, MID_POWERPC, 0);
chdr->c_hdrsize = ALIGN(sizeof *chdr);
chdr->c_seghdrsize = ALIGN(sizeof cseg);
@ -208,7 +209,13 @@ cpu_coredump(p, vp, cred, chdr)
tf = trapframe(p);
bcopy(tf, &md_core.frame, sizeof md_core.frame);
if (pcb->pcb_flags & PCB_FPU) {
if (p == fpuproc)
save_fpu(p);
md_core.fpstate = pcb->pcb_fpu;
} else
bzero(&md_core.fpstate, sizeof(md_core.fpstate));
CORE_SETMAGIC(cseg, CORESEGMAGIC, MID_MACHINE, CORE_CPU);
cseg.c_addr = 0;
cseg.c_size = chdr->c_cpusize;
@ -229,7 +236,7 @@ cpu_coredump(p, vp, cred, chdr)
/*
* Map a user I/O request into kernel virtual address space.
* Note: the pages are already locked by uvm_vslock(), so we
* do not need to pass an access_type to pmap_enter().
* do not need to pass an access_type to pmap_enter().
*/
void
vmapbuf(bp, len)
@ -239,7 +246,7 @@ vmapbuf(bp, len)
vaddr_t faddr, taddr;
vsize_t off;
paddr_t pa;
#ifdef DIAGNOSTIC
if (!(bp->b_flags & B_PHYS))
panic("vmapbuf");
@ -269,7 +276,7 @@ vunmapbuf(bp, len)
{
vaddr_t addr;
vsize_t off;
#ifdef DIAGNOSTIC
if (!(bp->b_flags & B_PHYS))
panic("vunmapbuf");