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exosphere: add EXOSPHERE_TARGET_FIRMWARE_620

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This commit is contained in:
Michael Scire 2018-11-25 16:06:46 -08:00
parent e214f4d325
commit eab5e0df9b
3 changed files with 39 additions and 6 deletions
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22
exosphere/src/exocfg.c
View file

@ -27,9 +27,12 @@
/* TODO: Should this be at a non-static location? */
#define MAILBOX_EXOSPHERE_CONFIG (*((volatile exosphere_config_t *)(MAILBOX_BASE + 0xE40ULL)))
static exosphere_config_t g_exosphere_cfg = {MAGIC_EXOSPHERE_BOOTCONFIG, EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG};
static exosphere_config_t g_exosphere_cfg = {MAGIC_EXOSPHERE_BOOTCONFIG, EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG, EXOSPHERE_FLAGS_DEFAULT};
static bool g_has_loaded_config = false;
#define EXOSPHERE_CHECK_FLAG(flag) ((g_exosphere_cfg.flags & flag) != 0)
/* Read config out of IRAM, return target firmware version. */
unsigned int exosphere_load_config(void) {
if (g_has_loaded_config) {
@ -37,8 +40,13 @@ unsigned int exosphere_load_config(void) {
}
g_has_loaded_config = true;
if (MAILBOX_EXOSPHERE_CONFIG.magic == MAGIC_EXOSPHERE_BOOTCONFIG) {
const unsigned int magic = MAILBOX_EXOSPHERE_CONFIG.magic;
if (magic == MAGIC_EXOSPHERE_BOOTCONFIG) {
g_exosphere_cfg = MAILBOX_EXOSPHERE_CONFIG;
} else if (magic == MAGIC_EXOSPHERE_BOOTCONFIG_0) {
g_exosphere_cfg = MAILBOX_EXOSPHERE_CONFIG;
g_exosphere_cfg.flags = EXOSPHERE_FLAGS_DEFAULT;
}
return g_exosphere_cfg.target_firmware;
@ -50,4 +58,12 @@ unsigned int exosphere_get_target_firmware(void) {
}
return g_exosphere_cfg.target_firmware;
}
}
unsigned int exosphere_get_should_perform_620_keygen(void) {
if (!g_has_loaded_config) {
generic_panic();
}
return g_exosphere_cfg.target_firmware >= EXOSPHERE_TARGET_FIRMWARE_620 && EXOSPHERE_CHECK_FLAG(EXOSPHERE_FLAG_PERFORM_620_KEYGEN);
}

20
exosphere/src/exocfg.h
View file

@ -25,7 +25,9 @@
/* This serves to set configuration for *exosphere itself*, separate from the SecMon Exosphere mimics. */
/* "XBC0" */
#define MAGIC_EXOSPHERE_BOOTCONFIG (0x30434258)
#define MAGIC_EXOSPHERE_BOOTCONFIG_0 (0x30434258)
/* "XBC1" */
#define MAGIC_EXOSPHERE_BOOTCONFIG (0x31434258)
#define EXOSPHERE_TARGET_FIRMWARE_100 1
#define EXOSPHERE_TARGET_FIRMWARE_200 2
@ -33,9 +35,12 @@
#define EXOSPHERE_TARGET_FIRMWARE_400 4
#define EXOSPHERE_TARGET_FIRMWARE_500 5
#define EXOSPHERE_TARGET_FIRMWARE_600 6
#define EXOSPHERE_TARGET_FIRMWARE_620 7
#define EXOSPHERE_TARGET_FIRMWARE_CURRENT EXOSPHERE_TARGET_FIRMWARE_620
/* TODO: What should this be, for release? */
#define EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG EXOSPHERE_TARGET_FIRMWARE_600
#define EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG EXOSPHERE_TARGET_FIRMWARE_CURRENT
#define EXOSPHERE_LOOSEN_PACKAGE2_RESTRICTIONS_FOR_DEBUG 1
#define MAILBOX_BASE_PHYS (MMIO_GET_DEVICE_PA(MMIO_DEVID_NXBOOTLOADER_MAILBOX))
@ -43,17 +48,26 @@
/* TODO: Should this be at a non-static location? */
#define MAILBOX_EXOSPHERE_CONFIG_PHYS (*((volatile exosphere_config_t *)(MAILBOX_BASE_PHYS + 0xE40ULL)))
#define EXOSPHERE_FLAGS_DEFAULT 0x00000000
#define EXOSPHERE_FLAG_PERFORM_620_KEYGEN (1 << 0u)
typedef struct {
unsigned int magic;
unsigned int target_firmware;
unsigned int flags;
} exosphere_config_t;
unsigned int exosphere_load_config(void);
unsigned int exosphere_get_target_firmware(void);
unsigned int exosphere_get_should_perform_620_keygen(void);
static inline unsigned int exosphere_get_target_firmware_for_init(void) {
return MAILBOX_EXOSPHERE_CONFIG_PHYS.magic == MAGIC_EXOSPHERE_BOOTCONFIG ? MAILBOX_EXOSPHERE_CONFIG_PHYS.target_firmware : EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG;
const unsigned int magic = MAILBOX_EXOSPHERE_CONFIG_PHYS.magic;
if (magic == MAGIC_EXOSPHERE_BOOTCONFIG || magic == MAGIC_EXOSPHERE_BOOTCONFIG_0) {
return MAILBOX_EXOSPHERE_CONFIG_PHYS.target_firmware;
} else {
return EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG;
}
}
#endif

3
exosphere/src/package2.c
View file

@ -486,6 +486,9 @@ void load_package2(coldboot_crt0_reloc_list_t *reloc_list) {
case EXOSPHERE_TARGET_FIRMWARE_600:
MAKE_REG32(PMC_BASE + 0x360) = 0x87;
break;
case EXOSPHERE_TARGET_FIRMWARE_620:
MAKE_REG32(PMC_BASE + 0x360) = 0xA8;
break;
}
}