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use stdframe from m68k/include/frame.h

This commit is contained in:
chopps 1995-05-12 00:18:09 +00:00
parent 4567f74662
commit a15205fdbf
1 changed files with 5 additions and 15 deletions
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20
sys/arch/amiga/amiga/vm_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: vm_machdep.c,v 1.19 1995/05/11 23:05:27 chopps Exp $ */ /* $NetBSD: vm_machdep.c,v 1.20 1995/05/12 00:18:09 chopps Exp $ */
/* /*
* Copyright (c) 1988 University of Utah. * Copyright (c) 1988 University of Utah.
@ -56,16 +56,6 @@
#include <vm/vm_kern.h> #include <vm/vm_kern.h>
#include <machine/pte.h> #include <machine/pte.h>
struct trapframe {
int f_regs[16];
short f_pad;
short f_stackadj;
u_short f_sr;
u_int f_pc;
u_short f_format:4,
f_vector:12;
};
/* /*
* Finish a fork operation, with process p2 nearly set up. * Finish a fork operation, with process p2 nearly set up.
* Copy and update the kernel stack and pcb, making the child * Copy and update the kernel stack and pcb, making the child
@ -95,10 +85,10 @@ cpu_fork(p1, p2)
*/ */
p2->p_addr->u_pcb = p1->p_addr->u_pcb; p2->p_addr->u_pcb = p1->p_addr->u_pcb;
p1stack = (u_long *) p1stack = (u_long *)
((caddr_t)p1->p_addr + (ctob(UPAGES) - sizeof(struct trapframe))); ((caddr_t)p1->p_addr + (ctob(UPAGES) - sizeof(struct stdframe)));
p2stack = (u_long *) p2stack = (u_long *)
((caddr_t)p2->p_addr + (ctob(UPAGES) - sizeof(struct trapframe))); ((caddr_t)p2->p_addr + (ctob(UPAGES) - sizeof(struct stdframe)));
bcopy(p1stack, p2stack, sizeof(struct trapframe)); /* copy frame */ bcopy(p1stack, p2stack, sizeof(struct stdframe)); /* copy frame */
p2->p_md.md_regs = (int *)p2stack; /* frame pointer */ p2->p_md.md_regs = (int *)p2stack; /* frame pointer */
*--p2stack = (u_long)call_finish_child; /* resume pc */ *--p2stack = (u_long)call_finish_child; /* resume pc */
p2->p_addr->u_pcb.pcb_regs[11] =(u_long)p2stack; /* set ksp */ p2->p_addr->u_pcb.pcb_regs[11] =(u_long)p2stack; /* set ksp */
@ -130,7 +120,7 @@ cpu_set_kpc(p, pc)
pcbp = &p->p_addr->u_pcb; pcbp = &p->p_addr->u_pcb;
stack = (u_long *)pcbp->pcb_regs[11]; /* get current stack pointer */ stack = (u_long *)pcbp->pcb_regs[11]; /* get current stack pointer */
pcbp->pcb_regs[6] = pc; /* function in a2 */ pcbp->pcb_regs[6] = pc; /* function in a2 */
pcbp->pcb_regs[7] = p; /* arg in a3 */ pcbp->pcb_regs[7] = (int)p; /* arg in a3 */
*stack = (u_long)proc_trampoline; /* resume at tramp code */ *stack = (u_long)proc_trampoline; /* resume at tramp code */
} }