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Skeleton smcCpuOff, fix building, fix smcConfigureCarveout

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This commit is contained in:
Michael Scire 2018-02-26 17:41:31 -08:00
parent 23e9a8369a
commit c4789a5a11
5 changed files with 49 additions and 3 deletions
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14
exosphere/src/smc_api.c
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@ -111,6 +111,10 @@ static smc_table_t g_smc_tables[2] = {
static atomic_flag g_is_user_smc_in_progress = ATOMIC_FLAG_INIT;
static atomic_flag g_is_priv_smc_in_progress = ATOMIC_FLAG_INIT;
/* Global for smc_configure_carveout. */
static bool g_configured_carveouts[2] = {false, false};
uintptr_t get_smc_core012_stack_address(void) {
return TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_CORE012_STACK) + 0x1000;
}
@ -545,15 +549,19 @@ uint32_t smc_configure_carveout(smc_args_t *args) {
if (size > KERNEL_CARVEOUT_SIZE_MAX) {
return 2;
}
/* Ensure validity of carveout index. */
if (carveout_id > 1) {
return 2;
}
/* Configuration is one-shot, and cannot be done multiple times. */
static bool configured_carveouts[2] = {false, false};
if (configured_carveouts[carveout_id]) {
if (g_configured_carveouts[carveout_id]) {
return 2;
}
configure_kernel_carveout(carveout_id + 4, address, size);
configured_carveouts[carveout_id] = true;
g_configured_carveouts[carveout_id] = true;
return 0;
}