Module Name: src
Committed By: reinoud
Date: Sat Dec 24 12:23:25 UTC 2011
Modified Files:
src/sys/arch/usermode/dev: cpu.c
Log Message:
Implement cpu_getmcontext() and cpu_setmcontext()
To generate a diff of this commit:
cvs rdiff -u -r1.55 -r1.56 src/sys/arch/usermode/dev/cpu.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/dev/cpu.c
diff -u src/sys/arch/usermode/dev/cpu.c:1.55 src/sys/arch/usermode/dev/cpu.c:1.56
--- src/sys/arch/usermode/dev/cpu.c:1.55 Thu Dec 15 03:42:32 2011
+++ src/sys/arch/usermode/dev/cpu.c Sat Dec 24 12:23:24 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: cpu.c,v 1.55 2011/12/15 03:42:32 jmcneill Exp $ */
+/* $NetBSD: cpu.c,v 1.56 2011/12/24 12:23:24 reinoud Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <[email protected]>
@@ -30,7 +30,7 @@
#include "opt_hz.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.55 2011/12/15 03:42:32 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.56 2011/12/24 12:23:24 reinoud Exp $");
#include <sys/param.h>
#include <sys/conf.h>
@@ -224,19 +224,26 @@ cpu_signotify(struct lwp *l)
void
cpu_getmcontext(struct lwp *l, mcontext_t *mcp, unsigned int *flags)
{
- panic("cpu_getmcontext");
+ struct pcb *pcb = lwp_getpcb(l);
+ ucontext_t *ucp = &pcb->pcb_userret_ucp;
+
#ifdef CPU_DEBUG
dprintf_debug("cpu_getmcontext\n");
#endif
+ memcpy(mcp, &ucp->uc_mcontext, sizeof(mcontext_t));
+ return;
}
int
cpu_setmcontext(struct lwp *l, const mcontext_t *mcp, unsigned int flags)
{
- panic("cpu_setmcontext");
+ struct pcb *pcb = lwp_getpcb(l);
+ ucontext_t *ucp = &pcb->pcb_userret_ucp;
+
#ifdef CPU_DEBUG
dprintf_debug("cpu_setmcontext\n");
#endif
+ memcpy(&ucp->uc_mcontext, mcp, sizeof(mcontext_t));
return 0;
}
