diff options
Diffstat (limited to 'sys/arch/m68k')
| -rw-r--r-- | sys/arch/m68k/m68k/m68k_machdep.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/sys/arch/m68k/m68k/m68k_machdep.c b/sys/arch/m68k/m68k/m68k_machdep.c index 4b0c39194b8..287d064859f 100644 --- a/sys/arch/m68k/m68k/m68k_machdep.c +++ b/sys/arch/m68k/m68k/m68k_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: m68k_machdep.c,v 1.1 1997/07/06 07:46:28 downsj Exp $ */ +/* $OpenBSD: m68k_machdep.c,v 1.2 2001/11/06 18:41:09 art Exp $ */ /* $NetBSD: m68k_machdep.c,v 1.3 1997/06/12 09:57:04 veego Exp $ */ /*- @@ -38,7 +38,37 @@ */ #include <sys/param.h> +#include <sys/proc.h> +#include <sys/syscall.h> +#include <sys/ktrace.h> + +#include <machine/frame.h> +#include <machine/reg.h> /* the following is used externally (sysctl_hw) */ char machine_arch[] = MACHINE_ARCH; /* from <machine/param.h> */ +void userret __P((struct proc *, int, u_quad_t)); /* XXX */ +/* + * Process the tail end of a fork() for the child + * + * XXX - this is probably the wrong file. + */ +void +child_return(arg) + void *arg; +{ + struct proc *p = (struct proc *)arg; + struct frame *f = (struct frame *)p->p_md.md_regs; + + f->f_regs[D0] = 0; + f->f_sr &= ~PSL_C; /* carry bit */ + f->f_format = FMT0; + + userret(p, f->f_pc, p->p_sticks); +#ifdef KTRACE + if (KTRPOINT(p, KTR_SYSRET)) + ktrsysret(p, SYS_fork, 0, 0); +#endif +} + |