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SMCCryptAes + Skeleton blocking AES API

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This commit is contained in:
Michael Scire 2018-02-19 13:26:37 -08:00
parent 21c2405f15
commit d0beae376f
5 changed files with 96 additions and 1 deletions
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17
exosphere/smc_api.c
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@ -180,6 +180,8 @@ uint32_t smc_wrapper_async(smc_args_t *args, uint32_t (*handler)(smc_args_t *),
if (result == 0) {
/* Pass the status check key back to userland. */
args->X[1] = key;
/* Early return, leaving g_is_smc_in_progress == 1 */
return result;
} else {
/* No status to check. */
clear_smc_callback(key);
@ -247,6 +249,21 @@ uint32_t smc_load_aes_key(smc_args_t *args) {
return smc_wrapper_sync(args, user_load_aes_key);
}
uint32_t smc_crypt_aes_status_check(void *buf, uint64_t size) {
/* Buf and size are unused. */
if (get_crypt_aes_done() == 0) {
return 3;
}
/* smc_crypt_aes is done now. */
g_is_smc_in_progress = 0;
return 0;
}
uint32_t smc_crypt_aes(smc_args_t *args) {
return smc_wrapper_async(args, user_crypt_aes, smc_crypt_aes_status_check);
}
uint32_t smc_cpu_on(smc_args_t *args) {
return cpu_on((uint32_t)args->X[1], args->X[2], args->X[3]);