xtensa: ISS: define simc_exit and use it instead of inline asm
A number of ISS platform functions use inline assembly to invoke
simulator exit, not all correctly. Define simc_exit(exit_code) and use
it instead of inline assembly.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
diff --git a/arch/xtensa/platforms/iss/setup.c b/arch/xtensa/platforms/iss/setup.c
index e29e1b4..379aedd 100644
--- a/arch/xtensa/platforms/iss/setup.c
+++ b/arch/xtensa/platforms/iss/setup.c
@@ -32,6 +32,8 @@
#include <asm/platform.h>
#include <asm/bootparam.h>
+#include <platform/simcall.h>
+
void __init platform_init(bp_tag_t* bootparam)
{
@@ -41,13 +43,13 @@
void platform_halt(void)
{
pr_info(" ** Called platform_halt() **\n");
- __asm__ __volatile__("movi a2, 1\nsimcall\n");
+ simc_exit(0);
}
void platform_power_off(void)
{
pr_info(" ** Called platform_power_off() **\n");
- __asm__ __volatile__("movi a2, 1\nsimcall\n");
+ simc_exit(0);
}
void platform_restart(void)
{
@@ -80,7 +82,7 @@
static int
iss_panic_event(struct notifier_block *this, unsigned long event, void *ptr)
{
- __asm__ __volatile__("movi a2, -1; simcall\n");
+ simc_exit(1);
return NOTIFY_DONE;
}