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fusee/exo: fixes to allow booting (sleep broken until warmboot cache implemented)

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This commit is contained in:
Michael Scire 2021-01-03 23:46:13 -08:00 committed by SciresM
parent 192ea926f6
commit 601c4516bf
5 changed files with 32 additions and 23 deletions
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14
exosphere/program/source/boot/secmon_boot_setup.cpp
View file

@ -64,17 +64,9 @@ namespace ams::secmon::boot {
/* Configure warmboot to set Set FUSE_PRIVATEKEYDISABLE to KEY_INVISIBLE. */
reg::ReadWrite(pmc + APBDEV_PMC_SECURE_SCRATCH21, REG_BITS_VALUE(4, 1, 1));
/* Write the warmboot key. */
/* TODO: This is necessary for mariko. We should decide how to handle this. */
/* In particular, mariko will need to support loading older-than-expected warmboot firmware. */
/* We could hash the warmboot firmware and use a lookup table, or require bootloader to provide */
/* The warmboot key as a parameter. The latter is a better solution, but it would be nice to take */
/* care of it here. Perhaps we should read the number of anti-downgrade fuses burnt, and translate that */
/* to the warmboot key? To be decided during the process of implementing ams-on-mariko support. */
reg::Write(pmc + APBDEV_PMC_SECURE_SCRATCH32, 0x129);
/* TODO: Fix to ensure correct scratch contents on mariko, as otherwise wb is broken. */
AMS_ABORT_UNLESS(fuse::GetSocType() != fuse::SocType_Mariko);
/* NOTE: Here, Nintendo writes the warmboot key. */
/* However, we rely on the bootloader (e.g. fusee/hekate) having already done this. */
/* reg::Write(pmc + APBDEV_PMC_SECURE_SCRATCH32, ...); */
}
/* This function derives the master kek and device keys using the tsec root key. */

23
fusee/fusee-secondary/src/nxboot.c
View file

@ -589,6 +589,16 @@ static void nxboot_set_bootreason(void *bootreason_base) {
fatal_error("[NXBOOT] Failed to read the BCT!\n");
}
/* Check if we need to use BCT 2 instead. */
if (package1_is_custom_public_key(bct, is_soc_mariko())) {
if (fseek(boot0, 0x4000 * 2, SEEK_SET) != 0) {
fatal_error("[NXBOOT] Failed to seek to BCT!\n");
}
if (fread(bct, sizeof(nvboot_config_table), 1, boot0) == 0) {
fatal_error("[NXBOOT] Failed to read the BCT!\n");
}
}
/* Close boot0. */
fclose(boot0);
@ -617,7 +627,7 @@ static void nxboot_set_bootreason(void *bootreason_base) {
boot_reason.boot_reason_state = 0x04; /* BootReason_RtcAlarm2 */
/* Set in memory. */
memcpy(bootreason_base, &boot_reason, sizeof(boot_reason));
memcpy((void *)((uintptr_t)bootreason_base + 0x10), &boot_reason, sizeof(boot_reason));
/* Clean up. */
free(bct);
@ -931,13 +941,10 @@ uint32_t nxboot_main(void) {
nxboot_configure_exosphere(target_firmware, keygen_type, &exo_emummc_cfg);
/* Initialize BootReason on older firmware versions (Erista only). */
if (!is_mariko) {
if (target_firmware < ATMOSPHERE_TARGET_FIRMWARE_4_0_0) {
print(SCREEN_LOG_LEVEL_INFO, "[NXBOOT] Initializing BootReason...\n");
nxboot_set_bootreason((void *)MAILBOX_NX_BOOTLOADER_BOOT_REASON_BASE);
} else {
memset((void *)MAILBOX_NX_BOOTLOADER_BOOT_REASON_BASE, 0, 0x200);
}
memset((void *)MAILBOX_NX_BOOTLOADER_BASE, 0, 0x200);
if (!is_mariko && target_firmware < ATMOSPHERE_TARGET_FIRMWARE_4_0_0) {
print(SCREEN_LOG_LEVEL_INFO, "[NXBOOT] Initializing BootReason...\n");
nxboot_set_bootreason((void *)MAILBOX_NX_BOOTLOADER_BOOT_REASON_BASE);
}
/* Read the warmboot firmware from a file, otherwise from Atmosphere's implementation (Erista only) or from cache (Mariko only). */

2
fusee/fusee-secondary/src/nxboot.h
View file

@ -36,7 +36,7 @@ typedef struct {
#define MAILBOX_NX_BOOTLOADER_BASE 0x40000000
#define MAKE_MAILBOX_NX_BOOTLOADER_REG(n) MAKE_REG32(MAILBOX_NX_BOOTLOADER_BASE + n)
#define MAILBOX_NX_BOOTLOADER_BOOT_REASON_BASE MAKE_MAILBOX_NX_BOOTLOADER_REG(0x10)
#define MAILBOX_NX_BOOTLOADER_BOOT_REASON_BASE (MAILBOX_NX_BOOTLOADER_BASE + 0x10)
#define MAILBOX_NX_BOOTLOADER_SETUP_STATE MAKE_MAILBOX_NX_BOOTLOADER_REG(0xF8)
#define MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE MAKE_MAILBOX_NX_BOOTLOADER_REG(0xFC)

14
fusee/fusee-secondary/src/package1.c
View file

@ -46,9 +46,17 @@ static bool is_custom_public_key_erista(const void *bct) {
return memcmp((const uint8_t *)bct + 0x210, custom_public_key, sizeof(custom_public_key)) == 0;
}
//static bool is_custom_public_key_mariko(const void *bct) {
// return memcmp((const uint8_t *)bct + 0x10, custom_public_key, sizeof(custom_public_key)) == 0;
//}
static bool is_custom_public_key_mariko(const void *bct) {
return memcmp((const uint8_t *)bct + 0x10, custom_public_key, sizeof(custom_public_key)) == 0;
}
bool package1_is_custom_public_key(const void *bct, bool mariko) {
if (mariko) {
return is_custom_public_key_mariko(bct);
} else {
return is_custom_public_key_erista(bct);
}
}
int package1_read_and_parse_boot0_erista(void **package1loader, size_t *package1loader_size, nx_keyblob_t *keyblobs, uint32_t *revision, FILE *boot0) {
nvboot_config_table *bct; /* Normal firmware BCT, primary. TODO: check? */

2
fusee/fusee-secondary/src/package1.h
View file

@ -57,6 +57,8 @@ typedef struct {
uint8_t data[];
} pk11_mariko_oem_header_t;
bool package1_is_custom_public_key(const void *bct, bool mariko);
int package1_read_and_parse_boot0_erista(void **package1loader, size_t *package1loader_size, nx_keyblob_t *keyblobs, uint32_t *revision, FILE *boot0);
int package1_read_and_parse_boot0_mariko(void **package1loader, size_t *package1loader_size, FILE *boot0);