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https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-10 06:01:52 +00:00
Implement half of bootup_misc_mmio()
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commit
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9 changed files with 151 additions and 4 deletions
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@ -3,12 +3,83 @@
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#include "utils.h"
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#include "bootup.h"
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#include "fuse.h"
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#include "flow.h"
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#include "pmc.h"
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#include "mc.h"
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#include "se.h"
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#include "masterkey.h"
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#include "configitem.h"
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#include "misc.h"
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void bootup_misc_mmio(void) {
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/* Initialize Fuse registers. */
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fuse_init();
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/* Verify Security Engine sanity. */
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se_set_in_context_save_mode(false);
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/* TODO: se_verify_keys_unreadable(); */
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se_validate_stored_vector();
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for (unsigned int i = 0; i < KEYSLOT_SWITCH_SESSIONKEY; i++) {
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clear_aes_keyslot(i);
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}
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for (unsigned int i = 0; i < KEYSLOT_RSA_MAX; i++) {
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clear_rsa_keyslot(i);
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}
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se_initialize_rng(KEYSLOT_SWITCH_RNGKEY);
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se_generate_random_key(KEYSLOT_SWITCH_SRKGENKEY, KEYSLOT_SWITCH_RNGKEY);
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se_generate_srk(KEYSLOT_SWITCH_SRKGENKEY);
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FLOW_CTLR_BPMP_CLUSTER_CONTROL_0 = 4; /* ACTIVE_CLUSTER_LOCK. */
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FLOW_CTLR_FLOW_DBG_QUAL_0 = 0x10000000; /* Enable FIQ2CCPLEX */
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/* Disable Deep Power Down. */
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APBDEV_PMC_DPD_ENABLE_0 = 0;
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/* Setup MC. */
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/* TODO: What are these MC reg writes? */
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MAKE_MC_REG(0x984) = 1;
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MAKE_MC_REG(0x648) = 0;
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MAKE_MC_REG(0x64C) = 0;
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MAKE_MC_REG(0x650) = 1;
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MAKE_MC_REG(0x670) = 0;
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MAKE_MC_REG(0x674) = 0;
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MAKE_MC_REG(0x678) = 1;
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MAKE_MC_REG(0x9A0) = 0;
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MAKE_MC_REG(0x9A4) = 0;
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MAKE_MC_REG(0x9A8) = 0;
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MAKE_MC_REG(0x9AC) = 1;
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MC_SECURITY_CFG0_0 = 0;
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MC_SECURITY_CFG1_0 = 0;
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MC_SECURITY_CFG3_0 = 3;
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configure_default_carveouts();
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/* Mark registers secure world only. */
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/* Mark SATA_AUX, DTV, QSPI, SE, SATA, LA secure only. */
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APB_MISC_SECURE_REGS_APB_SLAVE_SECURITY_ENABLE_REG0_0 = 0x504244;
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/* By default, mark SPI1, SPI2, SPI3, SPI5, SPI6, I2C6 secure only. */
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uint32_t sec_disable_1 = 0x83700000;
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/* By default, mark SDMMC3, DDS, DP2 secure only. */
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uint32_t sec_disable_2 = 0x304;
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uint64_t hardware_type = configitem_get_hardware_type();
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if (hardware_type != 1) {
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/* Also mark I2C5 secure only, */
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sec_disable_1 |= 0x20000000;
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}
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if (hardware_type != 0 && mkey_get_revision() >= MASTERKEY_REVISION_400_CURRENT) {
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/* Starting on 4.x on non-dev units, mark UARTB, UARTC, SPI4, I2C3 secure only. */
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sec_disable_1 |= 0x10806000;
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/* Starting on 4.x on non-dev units, mark SDMMC1 secure only. */
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sec_disable_2 |= 1;
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}
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APB_MISC_SECURE_REGS_APB_SLAVE_SECURITY_ENABLE_REG1_0 = sec_disable_1;
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APB_MISC_SECURE_REGS_APB_SLAVE_SECURITY_ENABLE_REG2_0 = sec_disable_2;
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/* TODO */
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/* This func will also be called on warmboot. */
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/* And will verify stored SE Test Vector, clear keyslots, */
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/* Generate an SRK, set the warmboot firmware location, */
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/* Configure the GPU uCode carveout, configure the Kernel default carveouts, */
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/* Initialize the PMC secure scratch registers, initialize MISC registers, */
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/* And assign "se_operation_completed" to Interrupt 0x5A. */
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}
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@ -41,6 +41,14 @@ bool configitem_should_profile_battery(void) {
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return g_battery_profile;
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}
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uint64_t configitem_get_hardware_type(void) {
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uint64_t hardware_type;
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if (configitem_get(CONFIGITEM_HARDWARETYPE, &hardware_type) != 0) {
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generic_panic();
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}
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return hardware_type;
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}
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uint32_t configitem_get(enum ConfigItem item, uint64_t *p_outvalue) {
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uint32_t result = 0;
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switch (item) {
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@ -27,4 +27,6 @@ bool configitem_is_recovery_boot(void);
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bool configitem_is_retail(void);
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bool configitem_should_profile_battery(void);
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uint64_t configitem_get_hardware_type(void);
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#endif
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@ -16,7 +16,9 @@ static inline uintptr_t get_flow_base(void) {
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#define MAKE_FLOW_REG(ofs) (*((volatile uint32_t *)(FLOW_BASE + ofs)))
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#define FLOW_CTLR_HALT_COP_EVENTS_0 MAKE_FLOW_REG(0x004)
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#define FLOW_CTLR_FLOW_DBG_QUAL_0 MAKE_FLOW_REG(0x050)
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#define FLOW_CTLR_L2FLUSH_CONTROL_0 MAKE_FLOW_REG(0x094)
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#define FLOW_CTLR_BPMP_CLUSTER_CONTROL_0 MAKE_FLOW_REG(0x098)
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static const struct {
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@ -16,6 +16,8 @@ void fuse_wait_idle(void);
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void fuse_init(void)
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{
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fuse_make_regs_visible();
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fuse_secondary_private_key_disable();
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fuse_disable_programming();
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/* TODO: Overrides (iROM patches) and various reads happen here */
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}
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@ -12,6 +12,13 @@ static inline uintptr_t get_mc_base(void) {
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#define MC_BASE (get_mc_base())
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#define MAKE_MC_REG(n) (*((volatile uint32_t *)(MC_BASE + n)))
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#define MC_SECURITY_CFG0_0 MAKE_MC_REG(0x070)
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#define MC_SECURITY_CFG1_0 MAKE_MC_REG(0x074)
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#define MC_SECURITY_CFG3_0 MAKE_MC_REG(0x9BC)
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#define CARVEOUT_ID_MIN 1
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#define CARVEOUT_ID_MAX 5
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19
exosphere/src/misc.h
Normal file
19
exosphere/src/misc.h
Normal file
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#ifndef EXOSPHERE_MISC_H
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#define EXOSPHERE_MISC_H
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#include <stdint.h>
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#include "memory_map.h"
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/* Exosphere driver for the Tegra X1 MISC Registers. */
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#define MISC_BASE (MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_MISC))
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#define MAKE_MISC_REG(n) (*((volatile uint32_t *)(MISC_BASE + n)))
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#define APB_MISC_SECURE_REGS_APB_SLAVE_SECURITY_ENABLE_REG0_0 MAKE_MISC_REG(0x0C00)
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#define APB_MISC_SECURE_REGS_APB_SLAVE_SECURITY_ENABLE_REG1_0 MAKE_MISC_REG(0x0C04)
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#define APB_MISC_SECURE_REGS_APB_SLAVE_SECURITY_ENABLE_REG2_0 MAKE_MISC_REG(0x0C08)
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#endif
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@ -16,6 +16,9 @@ static unsigned int (*g_se_callback)(void);
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static unsigned int g_se_modulus_sizes[KEYSLOT_RSA_MAX];
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static unsigned int g_se_exp_sizes[KEYSLOT_RSA_MAX];
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static bool g_se_generated_vector = false;
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static uint8_t g_se_stored_test_vector[0x10];
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/* Initialize a SE linked list. */
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void ll_init(se_ll_t *ll, void *buffer, size_t size) {
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}
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}
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void se_generate_test_vector(void *vector) {
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/* TODO: Implement real test vector generation. */
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memset(vector, 0, 0x10);
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}
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void se_validate_stored_vector(void) {
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if (!g_se_generated_vector) {
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generic_panic();
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}
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uint8_t calc_vector[0x10];
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se_generate_test_vector(calc_vector);
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/* Ensure nobody's messed with the security engine while we slept. */
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if (memcmp(calc_vector, g_se_stored_test_vector, 0x10) != 0) {
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generic_panic();
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}
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}
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void se_generate_stored_vector(void) {
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if (g_se_generated_vector) {
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generic_panic();
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}
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se_generate_test_vector(g_se_stored_test_vector);
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g_se_generated_vector = true;
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}
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/* Set the flags for an AES keyslot. */
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void set_aes_keyslot_flags(unsigned int keyslot, unsigned int flags) {
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if (keyslot >= KEYSLOT_AES_MAX) {
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@ -173,6 +173,9 @@ void se_check_error_status_reg(void);
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void se_check_for_error(void);
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void se_trigger_interrupt(void);
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void se_validate_stored_vector(void);
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void se_generate_stored_vector(void);
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void se_verify_flags_cleared(void);
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void set_aes_keyslot_flags(unsigned int keyslot, unsigned int flags);
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void se_generate_random(unsigned int keyslot, void *dst, size_t size);
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/* SE context save API. */
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void se_generate_srk(unsigned int srkgen_keyslot);
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void se_set_in_context_save_mode(bool is_context_save_mode);
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void se_generate_random_key(unsigned int dst_keyslot, unsigned int rng_keyslot);
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void se_save_context(unsigned int srk_keyslot, unsigned int rng_keyslot, void *dst);
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