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fusee/sept: changes for exo2 (note: not final)

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This commit is contained in:
Michael Scire
2020-05-17 23:17:47 -07:00
committed by SciresM
parent 91e0bbd9d7
commit 1fb9407d5d
6 changed files with 12 additions and 50 deletions
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31
fusee/fusee-secondary/src/nxboot_iram.c
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@@ -29,37 +29,6 @@
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_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;