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>
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index b5e88fd..fd3ef2c 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 @@
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]) {
