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fusee: Move nxboot hand-off to IRAM.

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fusee/exosphere: Minor cleanup.
This commit is contained in:
hexkyz 2018-09-15 21:08:58 +01:00
parent d61ec20679
commit 39d812f434
19 changed files with 370 additions and 290 deletions
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64
fusee/fusee-secondary/src/nxboot.c
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@ -185,9 +185,8 @@ static void nxboot_move_bootconfig() {
/* This is the main function responsible for booting Horizon. */
static nx_keyblob_t __attribute__((aligned(16))) g_keyblobs[32];
void nxboot_main(void) {
uint32_t nxboot_main(void) {
volatile tegra_pmc_t *pmc = pmc_get_regs();
volatile tegra_se_t *se = se_get_regs();
loader_ctx_t *loader_ctx = get_loader_ctx();
package2_header_t *package2;
size_t package2_size;
@ -397,43 +396,6 @@ void nxboot_main(void) {
}
free(package2);
/* 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 (MAILBOX_EXOSPHERE_CONFIGURATION->target_firmware < EXOSPHERE_TARGET_FIRMWARE_400) {
set_aes_keyslot_flags(KEYSLOT_SWITCH_DEVICEKEY, 0xFF);
} else {
set_aes_keyslot_flags(KEYSLOT_SWITCH_4XOLDDEVICEKEY, 0xFF);
}
/* Finalize the GPU UCODE carveout. */
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->_0x4 = 0;
se->AES_KEY_READ_DISABLE_REG = 0;
se->RSA_KEY_READ_DISABLE_REG = 0;
se->_0x0 &= 0xFFFFFFFB;
/* Boot up Exosphère. */
MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE = 0;
if (MAILBOX_EXOSPHERE_CONFIGURATION->target_firmware < EXOSPHERE_TARGET_FIRMWARE_400) {
MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_LOADED_PACKAGE2;
} else {
MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_DRAM_INITIALIZED_4X;
}
printf("[NXBOOT]: Powering on the CCPLEX...\n");
/* Display splash screen. */
@ -442,26 +404,6 @@ void nxboot_main(void) {
/* Unmount everything. */
nxfs_unmount_all();
/* Terminate the display. */
display_end();
/* Boot CPU0. */
cluster_boot_cpu0((uint32_t)exosphere_memaddr);
/* Wait for Exosphère to wake up. */
while (MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE == 0) {
udelay(1);
}
/* Signal Exosphère. */
if (MAILBOX_EXOSPHERE_CONFIGURATION->target_firmware < EXOSPHERE_TARGET_FIRMWARE_400) {
MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_FINISHED;
} else {
MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_FINISHED_4X;
}
/* Halt ourselves in waitevent state. */
while (1) {
FLOW_CTLR_HALT_COP_EVENTS_0 = 0x50000000;
}
/* Return the memory address for booting CPU0. */
return (uint32_t)exosphere_memaddr;
}