summaryrefslogtreecommitdiff
path: root/arch/mips/kernel
diff options
context:
space:
mode:
authorDouglas Leung <Douglas.Leung@imgtec.com>2013-03-25 22:21:11 +0400
committerRalf Baechle <ralf@linux-mips.org>2013-05-09 19:55:19 +0400
commit01be057b33f52f094bff3a79a93d9ca99e27483d (patch)
tree2ada7518d6c7ffe47b25ff291a31e8a223d36fa1 /arch/mips/kernel
parent34c2f668d0f6b2ca1c076d8170d6cd4f2235a9d4 (diff)
downloadlinux-01be057b33f52f094bff3a79a93d9ca99e27483d.tar.xz
MIPS: microMIPS: Add vdso support.
Support vdso in microMIPS mode. Signed-off-by: Douglas Leung <Douglas.Leung@imgtec.com> Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Diffstat (limited to 'arch/mips/kernel')
-rw-r--r--arch/mips/kernel/signal.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index b5e88fd83277..fd3ef2c2afbc 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -35,6 +35,7 @@
#include <asm/war.h>
#include <asm/vdso.h>
#include <asm/dsp.h>
+#include <asm/inst.h>
#include "signal-common.h"
@@ -480,7 +481,15 @@ static void handle_signal(unsigned long sig, siginfo_t *info,
sigset_t *oldset = sigmask_to_save();
int ret;
struct mips_abi *abi = current->thread.abi;
+#ifdef CONFIG_CPU_MICROMIPS
+ void *vdso;
+ unsigned int tmp = (unsigned int)current->mm->context.vdso;
+
+ set_isa16_mode(tmp);
+ vdso = (void *)tmp;
+#else
void *vdso = current->mm->context.vdso;
+#endif
if (regs->regs[0]) {
switch(regs->regs[2]) {