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Fix lock_try_acquire(&g_is_user_smc_in_progress) calls

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This commit is contained in:
TuxSH
2018-03-05 21:07:09 +01:00
parent 6b10c21a10
commit 827280ca12
3 changed files with 8 additions and 4 deletions
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9
exosphere/src/smc_api.c
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@@ -129,6 +129,9 @@ uintptr_t get_exception_entry_stack_address(unsigned int core_id) {
}
}
bool try_set_user_smc_in_progress(void) {
return lock_try_acquire(&g_is_user_smc_in_progress);
}
void set_user_smc_in_progress(void) {
lock_acquire(&g_is_user_smc_in_progress);
}
@@ -203,7 +206,7 @@ void call_smc_handler(uint32_t handler_id, smc_args_t *args) {
uint32_t smc_wrapper_sync(smc_args_t *args, uint32_t (*handler)(smc_args_t *)) {
uint32_t result;
if (!lock_try_acquire(&g_is_user_smc_in_progress)) {
if (!try_set_user_smc_in_progress()) {
return 3;
}
result = handler(args);
@@ -214,7 +217,7 @@ uint32_t smc_wrapper_sync(smc_args_t *args, uint32_t (*handler)(smc_args_t *)) {
uint32_t smc_wrapper_async(smc_args_t *args, uint32_t (*handler)(smc_args_t *), uint32_t (*callback)(void *, uint64_t)) {
uint32_t result;
uint64_t key;
if (!lock_try_acquire(&g_is_user_smc_in_progress)) {
if (!try_set_user_smc_in_progress()) {
return 3;
}
if ((key = try_set_smc_callback(callback)) != 0) {
@@ -439,7 +442,7 @@ uint32_t smc_get_random_bytes_for_priv(smc_args_t *args) {
uint32_t result;
if (!lock_try_acquire(&g_is_user_smc_in_progress)) {
if (!try_set_user_smc_in_progress()) {
if (args->X[1] > 0x38) {
return 2;
}