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emunand: Move all emulation code to fusee-secondary and simplify logic

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This commit is contained in:
hexkyz 2019-04-07 19:02:01 +01:00
parent 9eb0b84ed1
commit 92816be055
8 changed files with 315 additions and 193 deletions
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67
fusee/fusee-secondary/src/nxboot.c
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@ -100,6 +100,26 @@ static const uint8_t dev_pkc_modulus[0x100] = {
0xD5, 0x52, 0xDA, 0xEC, 0x41, 0xA4, 0xAD, 0x7B, 0x36, 0x86, 0x18, 0xB4, 0x5B, 0xD1, 0x30, 0xBB
};
static int emunand_ini_handler(void *user, const char *section, const char *name, const char *value) {
emunand_config_t *emunand_cfg = (emunand_config_t *)user;
if (strcmp(section, "emunand") == 0) {
if (strcmp(name, EMUNAND_ENABLED_KEY) == 0) {
int tmp = 0;
sscanf(value, "%d", &tmp);
emunand_cfg->enabled = (tmp != 0);
}
if (strcmp(name, EMUNAND_PATH_KEY) == 0) {
strncpy(emunand_cfg->path, value, sizeof(emunand_cfg->path) - 1);
emunand_cfg->path[sizeof(emunand_cfg->path) - 1] = '\0';
} else {
return 0;
}
} else {
return 0;
}
return 1;
}
static int exosphere_ini_handler(void *user, const char *section, const char *name, const char *value) {
exosphere_config_t *exo_cfg = (exosphere_config_t *)user;
int tmp = 0;
@ -177,6 +197,44 @@ static uint32_t nxboot_get_target_firmware(const void *package1loader) {
}
}
static bool nxboot_configure_emunand() {
emunand_config_t emunand_cfg = {.enabled = false, .path = ""};
/* Load emunand settings from BCT.ini file. */
if (ini_parse_string(get_loader_ctx()->bct0, emunand_ini_handler, &emunand_cfg) < 0) {
fatal_error("[NXBOOT]: Failed to parse BCT.ini!\n");
}
if (emunand_cfg.enabled) {
bool do_nand_backup = false;
/* TODO: Check if the supplied path is valid. */
/* TODO: Check if all emunand image files are present. */
if (do_nand_backup) {
/* Mount real NAND. */
if (nxfs_mount_emmc() < 0) {
fatal_error("[NXBOOT]: Failed to mount eMMC!\n");
}
/* TODO: Read real NAND and create a backup image. */
/* Unmount real NAND. */
if (nxfs_unmount_emmc() < 0) {
fatal_error("[NXBOOT]: Failed to unmount eMMC!\n");
}
}
/* Mount emulated NAND. */
if (nxfs_mount_emu_emmc(emunand_cfg.path) < 0) {
fatal_error("[NXBOOT]: Failed to mount emulated eMMC!\n");
}
}
return emunand_cfg.enabled;
}
static void nxboot_configure_exosphere(uint32_t target_firmware, unsigned int keygen_type) {
exosphere_config_t exo_cfg = {0};
@ -334,6 +392,13 @@ uint32_t nxboot_main(void) {
uint32_t available_revision;
FILE *boot0, *pk2file;
void *exosphere_memaddr;
/* Configure emunand or mount the real NAND. */
if (!nxboot_configure_emunand()) {
if (nxfs_mount_emmc() < 0) {
fatal_error("[NXBOOT]: Failed to mount eMMC!\n");
}
}
/* Allocate memory for reading Package2. */
package2 = memalign(0x1000, PACKAGE2_SIZE_MAX);
@ -601,7 +666,7 @@ uint32_t nxboot_main(void) {
print(SCREEN_LOG_LEVEL_INFO, "[NXBOOT]: Powering on the CCPLEX...\n");
/* Unmount everything. */
nxfs_unmount_all();
nxfs_end();
/* Return the memory address for booting CPU0. */
return (uint32_t)exosphere_memaddr;