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ams: revamp target firmware

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This commit is contained in:
Michael Scire
2020-05-06 22:29:07 -07:00
parent 85cd2c97a0
commit 8e75a4169d
48 changed files with 863 additions and 693 deletions
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32
fusee/fusee-secondary/src/nxboot_iram.c
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@@ -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 <string.h>
#include "cluster.h"
@@ -30,40 +30,40 @@
void nxboot_finish(uint32_t boot_memaddr) {
uint32_t target_firmware = MAILBOX_EXOSPHERE_CONFIGURATION->target_firmware;
volatile tegra_se_t *se = se_get_regs();
/* Clear used keyslots. */
clear_aes_keyslot(KEYSLOT_SWITCH_PACKAGE2KEY);
clear_aes_keyslot(KEYSLOT_SWITCH_RNGKEY);
/* Lock keyslots. */
set_aes_keyslot_flags(KEYSLOT_SWITCH_MASTERKEY, 0xFF);
if (target_firmware < ATMOSPHERE_TARGET_FIRMWARE_400) {
if (target_firmware < ATMOSPHERE_TARGET_FIRMWARE_4_0_0) {
set_aes_keyslot_flags(KEYSLOT_SWITCH_DEVICEKEY, 0xFF);
} else {
set_aes_keyslot_flags(KEYSLOT_SWITCH_4XOLDDEVICEKEY, 0xFF);
}
/* Finalize the GPU UCODE carveout. */
/* NOTE: [4.0.0+] This is now done in the Secure Monitor. */
/* mc_config_carveout_finalize(); */
/* Lock AES keyslots. */
for (uint32_t i = 0; i < 16; i++)
set_aes_keyslot_flags(i, 0x15);
/* Lock RSA keyslots. */
for (uint32_t i = 0; i < 2; i++)
set_rsa_keyslot_flags(i, 1);
/* Lock the Security Engine. */
se->SE_TZRAM_SECURITY = 0;
se->SE_CRYPTO_SECURITY_PERKEY = 0;
se->SE_RSA_SECURITY_PERKEY = 0;
se->SE_SE_SECURITY &= 0xFFFFFFFB;
/* Boot up Exosphère. */
MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE(target_firmware) = 0;
if (target_firmware < ATMOSPHERE_TARGET_FIRMWARE_400) {
if (target_firmware < ATMOSPHERE_TARGET_FIRMWARE_4_0_0) {
MAILBOX_NX_BOOTLOADER_SETUP_STATE(target_firmware) = NX_BOOTLOADER_STATE_LOADED_PACKAGE2;
} else {
MAILBOX_NX_BOOTLOADER_SETUP_STATE(target_firmware) = NX_BOOTLOADER_STATE_DRAM_INITIALIZED_4X;
@@ -71,30 +71,30 @@ void nxboot_finish(uint32_t boot_memaddr) {
/* Terminate the display. */
display_end();
/* Check if SMMU emulation has been used. */
uint32_t smmu_magic = *(uint32_t *)(SMMU_AARCH64_PAYLOAD_ADDR + 0xFC);
if (smmu_magic == 0xDEADC0DE) {
/* Clear the magic. */
*(uint32_t *)(SMMU_AARCH64_PAYLOAD_ADDR + 0xFC) = 0;
/* Pass the boot address to the already running payload. */
*(uint32_t *)(SMMU_AARCH64_PAYLOAD_ADDR + 0xF0) = boot_memaddr;
/* Wait a while. */
mdelay(500);
} else {
/* Boot CPU0. */
cluster_boot_cpu0(boot_memaddr);
}
/* Wait for Exosphère to wake up. */
while (MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE(target_firmware) == 0) {
udelay(1);
}
/* Signal Exosphère. */
if (target_firmware < ATMOSPHERE_TARGET_FIRMWARE_400) {
if (target_firmware < ATMOSPHERE_TARGET_FIRMWARE_4_0_0) {
MAILBOX_NX_BOOTLOADER_SETUP_STATE(target_firmware) = NX_BOOTLOADER_STATE_FINISHED;
} else {
MAILBOX_NX_BOOTLOADER_SETUP_STATE(target_firmware) = NX_BOOTLOADER_STATE_FINISHED_4X;