mirrors/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2025-05-31 14:58:22 -04:00
Code Issues Projects Releases Packages Wiki Activity

ams: initial support for 9.0.0

Browse source
This commit is contained in:
Michael Scire 2019-09-12 01:18:58 -07:00 • committed by SciresM
parent 6ee8720028
commit 93d83c5bb9
31 changed files with 374 additions and 123 deletions
Download patch file Download diff file Expand all files Collapse all files

21
exosphere/src/sc7.c
View file

@ -13,7 +13,7 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
@ -77,6 +77,7 @@ static void enable_lp0_wake_events(void) {
static void notify_pmic_shutdown(void) {
clkrst_reboot(CARDEVICE_I2C5);
i2c_init(I2C_5);
if (fuse_get_bootrom_patch_version() >= 0x7F) {
i2c_send_pmic_cpu_shutdown_cmd();
}
@ -132,7 +133,7 @@ static void setup_bpmp_sc7_firmware(void) {
BPMP_VECTOR_UNK = 0x40003004; /* Reboot. */
BPMP_VECTOR_IRQ = 0x40003004; /* Reboot. */
BPMP_VECTOR_FIQ = 0x40003004; /* Reboot. */
/* Hold the BPMP in reset. */
MAKE_CAR_REG(0x300) = 2;
@ -141,7 +142,7 @@ static void setup_bpmp_sc7_firmware(void) {
for (unsigned int i = 0; i < sc7fw_bin_size; i += 4) {
write32le(lp0_entry_code, i, read32le(sc7fw_bin, i));
}
flush_dcache_range(lp0_entry_code, lp0_entry_code + sc7fw_bin_size);
/* Take the BPMP out of reset. */
@ -181,7 +182,7 @@ static void save_tzram_state(void) {
flush_dcache_range(tzram_encryption_dst, tzram_encryption_dst + LP0_TZRAM_SAVE_SIZE);
flush_dcache_range(tzram_encryption_src, tzram_encryption_src + LP0_TZRAM_SAVE_SIZE);
/* Use the all-zero cmac buffer as an IV. */
/* Use the all-zero cmac buffer as an IV. */
se_aes_256_cbc_encrypt(KEYSLOT_SWITCH_LP0TZRAMKEY, tzram_encryption_dst, LP0_TZRAM_SAVE_SIZE, tzram_encryption_src, LP0_TZRAM_SAVE_SIZE, tzram_cmac);
flush_dcache_range(tzram_encryption_dst, tzram_encryption_dst + LP0_TZRAM_SAVE_SIZE);
@ -189,12 +190,12 @@ static void save_tzram_state(void) {
for (unsigned int i = 0; i < LP0_TZRAM_SAVE_SIZE; i += 4) {
write32le(tzram_store_address, i, read32le(tzram_encryption_dst, i));
}
flush_dcache_range(tzram_store_address, tzram_store_address + LP0_TZRAM_SAVE_SIZE);
/* Compute CMAC. */
se_compute_aes_256_cmac(KEYSLOT_SWITCH_LP0TZRAMKEY, tzram_cmac, sizeof(tzram_cmac), tzram_encryption_src, LP0_TZRAM_SAVE_SIZE);
/* Write CMAC, lock registers. */
APBDEV_PMC_SECURE_SCRATCH112_0 = tzram_cmac[0];
APBDEV_PMC_SECURE_SCRATCH113_0 = tzram_cmac[1];
@ -240,7 +241,7 @@ void save_se_and_power_down_cpu(void) {
/* Save context for warmboot to restore. */
save_tzram_state();
save_se_state();
/* Patch the bootrom to disable warmboot signature checks. */
MAKE_REG32(PMC_BASE + 0x118) = 0x2202E012;
MAKE_REG32(PMC_BASE + 0x11C) = 0x6001DC28;
@ -248,14 +249,14 @@ void save_se_and_power_down_cpu(void) {
if (!configitem_is_retail()) {
uart_send(UART_A, "OYASUMI", 8);
}
finalize_powerdown();
}
uint32_t cpu_suspend(uint64_t power_state, uint64_t entrypoint, uint64_t argument) {
/* TODO: 6.0.0 introduces heavy deja vu mitigations. */
/* Exosphere may want to implement these. */
/* Ensure SMC call is to enter deep sleep. */
if ((power_state & 0x17FFF) != 0x1001B) {
return 0xFFFFFFFD;
@ -285,7 +286,7 @@ uint32_t cpu_suspend(uint64_t power_state, uint64_t entrypoint, uint64_t argumen
/* Prepare the current core for sleep. */
configure_flow_regs_for_sleep();
/* Save core context. */
set_core_entrypoint_and_argument(get_core_id(), entrypoint, argument);
save_current_core_context();