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exosphere: add EXOSPHERE_TARGET_FIRMWARE_620
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parent
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commit
eab5e0df9b
3 changed files with 39 additions and 6 deletions
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@ -27,9 +27,12 @@
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/* TODO: Should this be at a non-static location? */
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#define MAILBOX_EXOSPHERE_CONFIG (*((volatile exosphere_config_t *)(MAILBOX_BASE + 0xE40ULL)))
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static exosphere_config_t g_exosphere_cfg = {MAGIC_EXOSPHERE_BOOTCONFIG, EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG};
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static exosphere_config_t g_exosphere_cfg = {MAGIC_EXOSPHERE_BOOTCONFIG, EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG, EXOSPHERE_FLAGS_DEFAULT};
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static bool g_has_loaded_config = false;
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#define EXOSPHERE_CHECK_FLAG(flag) ((g_exosphere_cfg.flags & flag) != 0)
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/* Read config out of IRAM, return target firmware version. */
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unsigned int exosphere_load_config(void) {
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if (g_has_loaded_config) {
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@ -37,8 +40,13 @@ unsigned int exosphere_load_config(void) {
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}
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g_has_loaded_config = true;
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if (MAILBOX_EXOSPHERE_CONFIG.magic == MAGIC_EXOSPHERE_BOOTCONFIG) {
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const unsigned int magic = MAILBOX_EXOSPHERE_CONFIG.magic;
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if (magic == MAGIC_EXOSPHERE_BOOTCONFIG) {
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g_exosphere_cfg = MAILBOX_EXOSPHERE_CONFIG;
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} else if (magic == MAGIC_EXOSPHERE_BOOTCONFIG_0) {
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g_exosphere_cfg = MAILBOX_EXOSPHERE_CONFIG;
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g_exosphere_cfg.flags = EXOSPHERE_FLAGS_DEFAULT;
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}
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return g_exosphere_cfg.target_firmware;
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@ -50,4 +58,12 @@ unsigned int exosphere_get_target_firmware(void) {
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}
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return g_exosphere_cfg.target_firmware;
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}
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}
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unsigned int exosphere_get_should_perform_620_keygen(void) {
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if (!g_has_loaded_config) {
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generic_panic();
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}
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return g_exosphere_cfg.target_firmware >= EXOSPHERE_TARGET_FIRMWARE_620 && EXOSPHERE_CHECK_FLAG(EXOSPHERE_FLAG_PERFORM_620_KEYGEN);
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}
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@ -25,7 +25,9 @@
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/* This serves to set configuration for *exosphere itself*, separate from the SecMon Exosphere mimics. */
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/* "XBC0" */
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#define MAGIC_EXOSPHERE_BOOTCONFIG (0x30434258)
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#define MAGIC_EXOSPHERE_BOOTCONFIG_0 (0x30434258)
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/* "XBC1" */
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#define MAGIC_EXOSPHERE_BOOTCONFIG (0x31434258)
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#define EXOSPHERE_TARGET_FIRMWARE_100 1
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#define EXOSPHERE_TARGET_FIRMWARE_200 2
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@ -33,9 +35,12 @@
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#define EXOSPHERE_TARGET_FIRMWARE_400 4
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#define EXOSPHERE_TARGET_FIRMWARE_500 5
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#define EXOSPHERE_TARGET_FIRMWARE_600 6
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#define EXOSPHERE_TARGET_FIRMWARE_620 7
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#define EXOSPHERE_TARGET_FIRMWARE_CURRENT EXOSPHERE_TARGET_FIRMWARE_620
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/* TODO: What should this be, for release? */
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#define EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG EXOSPHERE_TARGET_FIRMWARE_600
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#define EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG EXOSPHERE_TARGET_FIRMWARE_CURRENT
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#define EXOSPHERE_LOOSEN_PACKAGE2_RESTRICTIONS_FOR_DEBUG 1
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#define MAILBOX_BASE_PHYS (MMIO_GET_DEVICE_PA(MMIO_DEVID_NXBOOTLOADER_MAILBOX))
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@ -43,17 +48,26 @@
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/* TODO: Should this be at a non-static location? */
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#define MAILBOX_EXOSPHERE_CONFIG_PHYS (*((volatile exosphere_config_t *)(MAILBOX_BASE_PHYS + 0xE40ULL)))
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#define EXOSPHERE_FLAGS_DEFAULT 0x00000000
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#define EXOSPHERE_FLAG_PERFORM_620_KEYGEN (1 << 0u)
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typedef struct {
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unsigned int magic;
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unsigned int target_firmware;
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unsigned int flags;
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} exosphere_config_t;
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unsigned int exosphere_load_config(void);
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unsigned int exosphere_get_target_firmware(void);
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unsigned int exosphere_get_should_perform_620_keygen(void);
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static inline unsigned int exosphere_get_target_firmware_for_init(void) {
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return MAILBOX_EXOSPHERE_CONFIG_PHYS.magic == MAGIC_EXOSPHERE_BOOTCONFIG ? MAILBOX_EXOSPHERE_CONFIG_PHYS.target_firmware : EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG;
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const unsigned int magic = MAILBOX_EXOSPHERE_CONFIG_PHYS.magic;
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if (magic == MAGIC_EXOSPHERE_BOOTCONFIG || magic == MAGIC_EXOSPHERE_BOOTCONFIG_0) {
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return MAILBOX_EXOSPHERE_CONFIG_PHYS.target_firmware;
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} else {
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return EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG;
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}
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}
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#endif
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@ -486,6 +486,9 @@ void load_package2(coldboot_crt0_reloc_list_t *reloc_list) {
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case EXOSPHERE_TARGET_FIRMWARE_600:
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MAKE_REG32(PMC_BASE + 0x360) = 0x87;
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break;
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case EXOSPHERE_TARGET_FIRMWARE_620:
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MAKE_REG32(PMC_BASE + 0x360) = 0xA8;
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break;
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}
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}
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