Module Name: src
Committed By: reinoud
Date: Thu Sep 8 12:37:28 UTC 2011
Modified Files:
src/sys/arch/usermode/dev: cpu.c
Log Message:
Cleanup syscall context creation
To generate a diff of this commit:
cvs rdiff -u -r1.37 -r1.38 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:1.37 src/sys/arch/usermode/dev/cpu.c:1.38
--- src/sys/arch/usermode/dev/cpu.c:1.37 Thu Sep 8 12:10:13 2011
+++ src/sys/arch/usermode/dev/cpu.c Thu Sep 8 12:37:28 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: cpu.c,v 1.37 2011/09/08 12:10:13 jmcneill Exp $ */
+/* $NetBSD: cpu.c,v 1.38 2011/09/08 12:37:28 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 1.37 2011/09/08 12:10:13 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.38 2011/09/08 12:37:28 reinoud Exp $");
#include <sys/param.h>
#include <sys/conf.h>
@@ -335,11 +335,9 @@
2, func, arg);
/* set up the ucontext for the syscall */
- pcb2->pcb_ucp.uc_flags = _UC_CPU;
- /* hack for it sets the stack anyway!! */
- pcb2->pcb_syscall_ucp.uc_stack.ss_sp =
- ((uint8_t *) pcb2->pcb_syscall_ucp.uc_stack.ss_sp) - 4;
- pcb2->pcb_syscall_ucp.uc_stack.ss_size = 0;
+ pcb2->pcb_syscall_ucp.uc_flags = _UC_CPU;
+ pcb2->pcb_syscall_ucp.uc_link = NULL;
+ pcb2->pcb_syscall_ucp.uc_stack.ss_size = 0; /* no stack move */
thunk_makecontext_1(&pcb2->pcb_syscall_ucp, (void (*)(void)) syscall,
l2);
}
