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exosphere: Add support for enabling debugmode via BCT.ini

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This commit is contained in:
Michael Scire 2018-11-30 03:10:27 -08:00
parent 49ad66e478
commit 72a2c10896
8 changed files with 80 additions and 18 deletions
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28
exosphere/src/smc_api.c
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@ -44,8 +44,8 @@
#define DEBUG_PANIC_ON_FAILURE 0
/* User SMC prototypes */
uint32_t smc_set_config(smc_args_t *args);
uint32_t smc_get_config(smc_args_t *args);
uint32_t smc_set_config_user(smc_args_t *args);
uint32_t smc_get_config_user(smc_args_t *args);
uint32_t smc_check_status(smc_args_t *args);
uint32_t smc_get_result(smc_args_t *args);
uint32_t smc_exp_mod(smc_args_t *args);
@ -71,7 +71,7 @@ uint32_t smc_decrypt_or_import_rsa_key(smc_args_t *args);
uint32_t smc_cpu_suspend(smc_args_t *args);
uint32_t smc_cpu_off(smc_args_t *args);
uint32_t smc_cpu_on(smc_args_t *args);
/* uint32_t smc_get_config(smc_args_t *args); */
uint32_t smc_get_config_priv(smc_args_t *args);
uint32_t smc_get_random_bytes_for_priv(smc_args_t *args);
uint32_t smc_panic(smc_args_t *args);
uint32_t smc_configure_carveout(smc_args_t *args);
@ -89,8 +89,8 @@ typedef struct {
static smc_table_entry_t g_smc_user_table[SMC_USER_HANDLERS] = {
{0, NULL},
{0xC3000401, smc_set_config},
{0xC3000002, smc_get_config},
{0xC3000401, smc_set_config_user},
{0xC3000002, smc_get_config_user},
{0xC3000003, smc_check_status},
{0xC3000404, smc_get_result},
{0xC3000E05, smc_exp_mod},
@ -114,7 +114,7 @@ static smc_table_entry_t g_smc_priv_table[SMC_PRIV_HANDLERS] = {
{0xC4000001, smc_cpu_suspend},
{0x84000002, smc_cpu_off},
{0xC4000003, smc_cpu_on},
{0xC3000004, smc_get_config}, /* NOTE: Same function as for USER */
{0xC3000004, smc_get_config_priv},
{0xC3000005, smc_get_random_bytes_for_priv},
{0xC3000006, smc_panic},
{0xC3000007, smc_configure_carveout},
@ -329,15 +329,15 @@ uint32_t smc_wrapper_async(smc_args_t *args, uint32_t (*handler)(smc_args_t *),
return result;
}
uint32_t smc_set_config(smc_args_t *args) {
uint32_t smc_set_config_user(smc_args_t *args) {
/* Actual value presumed in X3 on hardware. */
return configitem_set((ConfigItem)args->X[1], args->X[3]);
return configitem_set(false, (ConfigItem)args->X[1], args->X[3]);
}
uint32_t smc_get_config(smc_args_t *args) {
uint32_t smc_get_config_user(smc_args_t *args) {
uint64_t out_item = 0;
uint32_t result;
result = configitem_get((ConfigItem)args->X[1], &out_item);
result = configitem_get(false, (ConfigItem)args->X[1], &out_item);
args->X[1] = out_item;
return result;
}
@ -534,6 +534,14 @@ uint32_t smc_cpu_suspend(smc_args_t *args) {
return smc_wrapper_sync(args, cpu_suspend_wrapper);
}
uint32_t smc_get_config_priv(smc_args_t *args) {
uint64_t out_item = 0;
uint32_t result;
result = configitem_get(true, (ConfigItem)args->X[1], &out_item);
args->X[1] = out_item;
return result;
}
uint32_t smc_get_random_bytes_for_priv(smc_args_t *args) {
/* This is an interesting SMC. */
/* The kernel must NEVER be unable to get random bytes, if it needs them */