mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-22 12:21:18 +00:00
emunand: Move all emulation code to fusee-secondary and simplify logic
This commit is contained in:
hexkyz
parent
9eb0b84ed1
commit
92816be055
8 changed files with 315 additions and 193 deletions
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@ -35,14 +35,7 @@ extern void (*__program_exit_callback)(int rc);
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static void *g_framebuffer;
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static char g_bct0_buffer[BCTO_MAX_SIZE];
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typedef struct {
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bool enabled;
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char path[0x100];
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} emunand_config_t;
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#define CONFIG_LOG_LEVEL_KEY "log_level"
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#define EMUNAND_ENABLED_KEY "emunand_enabled"
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#define EMUNAND_PATH_KEY "emunand_path"
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#define DEFAULT_BCT0_FOR_DEBUG \
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"BCT0\n"\
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@ -91,26 +84,6 @@ static int config_ini_handler(void *user, const char *section, const char *name,
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return 1;
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}
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static int emunand_ini_handler(void *user, const char *section, const char *name, const char *value) {
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emunand_config_t *emunand_cfg = (emunand_config_t *)user;
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if (strcmp(section, "emunand") == 0) {
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if (strcmp(name, EMUNAND_ENABLED_KEY) == 0) {
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int tmp = 0;
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sscanf(value, "%d", &tmp);
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emunand_cfg->enabled = (tmp != 0);
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}
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if (strcmp(name, EMUNAND_PATH_KEY) == 0) {
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strncpy(emunand_cfg->path, value, sizeof(emunand_cfg->path) - 1);
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emunand_cfg->path[sizeof(emunand_cfg->path) - 1] = '\0';
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} else {
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return 0;
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}
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} else {
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return 0;
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}
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return 1;
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}
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static void setup_env(void) {
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g_framebuffer = (void *)0xC0000000;
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@ -159,7 +132,6 @@ int main(void) {
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stage2_args_t *stage2_args;
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uint32_t stage2_version = 0;
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ScreenLogLevel log_level = SCREEN_LOG_LEVEL_MANDATORY;
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emunand_config_t emunand_cfg = {.enabled = false, .path = ""};
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/* Override the global logging level. */
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log_set_log_level(log_level);
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@ -170,9 +142,8 @@ int main(void) {
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/* Load the BCT0 configuration ini off of the SD. */
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bct0 = load_config();
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/* Extract the logging level and emunand settings from the BCT.ini file. */
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if ((ini_parse_string(bct0, config_ini_handler, &log_level) < 0) ||
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(ini_parse_string(bct0, emunand_ini_handler, &emunand_cfg) < 0)) {
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/* Extract the logging level from the BCT.ini file. */
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if (ini_parse_string(bct0, config_ini_handler, &log_level) < 0) {
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fatal_error("Failed to parse BCT.ini!\n");
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}
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@ -190,9 +161,6 @@ int main(void) {
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memcpy(&stage2_args->version, &stage2_version, 4);
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memcpy(&stage2_args->log_level, &log_level, sizeof(log_level));
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stage2_args->display_initialized = false;
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stage2_args->emunand_enabled = emunand_cfg.enabled;
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strncpy(stage2_args->emunand_path, emunand_cfg.path, sizeof(stage2_args->emunand_path) - 1);
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stage2_args->emunand_path[sizeof(stage2_args->emunand_path) - 1] = '\0';
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strcpy(stage2_args->bct0, bct0);
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g_chainloader_argc = 2;
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@ -46,8 +46,6 @@ typedef struct {
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uint32_t version;
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ScreenLogLevel log_level;
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bool display_initialized;
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bool emunand_enabled;
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char emunand_path[0x100];
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char bct0[BCTO_MAX_SIZE];
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} stage2_args_t;
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@ -51,8 +51,9 @@ static void setup_env(void) {
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/* Set up exception handlers. */
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setup_exception_handlers();
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if (nxfs_mount_all(g_stage2_args->emunand_enabled, g_stage2_args->emunand_path) < 0) {
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fatal_error("Failed to mount at least one partition: %s\n", strerror(errno));
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/* Initialize the file system by mounting the SD card. */
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if (nxfs_init() < 0) {
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fatal_error("Failed to initialize the file system: %s\n", strerror(errno));
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}
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/* Train DRAM. */
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@ -61,7 +62,7 @@ static void setup_env(void) {
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static void cleanup_env(void) {
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/* Unmount everything (this causes all open files to be flushed and closed) */
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nxfs_unmount_all();
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nxfs_end();
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//console_end();
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}
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@ -100,6 +100,26 @@ static const uint8_t dev_pkc_modulus[0x100] = {
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0xD5, 0x52, 0xDA, 0xEC, 0x41, 0xA4, 0xAD, 0x7B, 0x36, 0x86, 0x18, 0xB4, 0x5B, 0xD1, 0x30, 0xBB
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};
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static int emunand_ini_handler(void *user, const char *section, const char *name, const char *value) {
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emunand_config_t *emunand_cfg = (emunand_config_t *)user;
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if (strcmp(section, "emunand") == 0) {
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if (strcmp(name, EMUNAND_ENABLED_KEY) == 0) {
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int tmp = 0;
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sscanf(value, "%d", &tmp);
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emunand_cfg->enabled = (tmp != 0);
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}
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if (strcmp(name, EMUNAND_PATH_KEY) == 0) {
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strncpy(emunand_cfg->path, value, sizeof(emunand_cfg->path) - 1);
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emunand_cfg->path[sizeof(emunand_cfg->path) - 1] = '\0';
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} else {
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return 0;
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}
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} else {
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return 0;
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}
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return 1;
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}
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static int exosphere_ini_handler(void *user, const char *section, const char *name, const char *value) {
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exosphere_config_t *exo_cfg = (exosphere_config_t *)user;
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int tmp = 0;
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@ -177,6 +197,44 @@ static uint32_t nxboot_get_target_firmware(const void *package1loader) {
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}
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}
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static bool nxboot_configure_emunand() {
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emunand_config_t emunand_cfg = {.enabled = false, .path = ""};
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/* Load emunand settings from BCT.ini file. */
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if (ini_parse_string(get_loader_ctx()->bct0, emunand_ini_handler, &emunand_cfg) < 0) {
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fatal_error("[NXBOOT]: Failed to parse BCT.ini!\n");
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}
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if (emunand_cfg.enabled) {
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bool do_nand_backup = false;
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/* TODO: Check if the supplied path is valid. */
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/* TODO: Check if all emunand image files are present. */
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if (do_nand_backup) {
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/* Mount real NAND. */
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if (nxfs_mount_emmc() < 0) {
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fatal_error("[NXBOOT]: Failed to mount eMMC!\n");
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}
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/* TODO: Read real NAND and create a backup image. */
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/* Unmount real NAND. */
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if (nxfs_unmount_emmc() < 0) {
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fatal_error("[NXBOOT]: Failed to unmount eMMC!\n");
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}
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}
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/* Mount emulated NAND. */
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if (nxfs_mount_emu_emmc(emunand_cfg.path) < 0) {
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fatal_error("[NXBOOT]: Failed to mount emulated eMMC!\n");
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}
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}
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return emunand_cfg.enabled;
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}
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static void nxboot_configure_exosphere(uint32_t target_firmware, unsigned int keygen_type) {
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exosphere_config_t exo_cfg = {0};
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@ -335,6 +393,13 @@ uint32_t nxboot_main(void) {
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FILE *boot0, *pk2file;
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void *exosphere_memaddr;
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/* Configure emunand or mount the real NAND. */
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if (!nxboot_configure_emunand()) {
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if (nxfs_mount_emmc() < 0) {
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fatal_error("[NXBOOT]: Failed to mount eMMC!\n");
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}
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}
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/* Allocate memory for reading Package2. */
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package2 = memalign(0x1000, PACKAGE2_SIZE_MAX);
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if (package2 == NULL) {
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@ -601,7 +666,7 @@ uint32_t nxboot_main(void) {
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print(SCREEN_LOG_LEVEL_INFO, "[NXBOOT]: Powering on the CCPLEX...\n");
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/* Unmount everything. */
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nxfs_unmount_all();
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nxfs_end();
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/* Return the memory address for booting CPU0. */
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return (uint32_t)exosphere_memaddr;
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@ -19,6 +19,14 @@
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#include "utils.h"
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#define EMUNAND_ENABLED_KEY "emunand_enabled"
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#define EMUNAND_PATH_KEY "emunand_path"
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typedef struct {
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bool enabled;
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char path[0x100];
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} emunand_config_t;
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#define MAILBOX_NX_BOOTLOADER_BASE_100_620 0x40002E00
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#define MAILBOX_NX_BOOTLOADER_BASE_700 0x40000000
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#define MAILBOX_NX_BOOTLOADER_BASE(targetfw) ((targetfw >= ATMOSPHERE_TARGET_FIRMWARE_700) ? (MAILBOX_NX_BOOTLOADER_BASE_700) : (MAILBOX_NX_BOOTLOADER_BASE_100_620))
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@ -30,6 +30,10 @@ static bool g_ahb_redirect_enabled = false;
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static bool g_sd_device_initialized = false;
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static bool g_emmc_device_initialized = false;
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static bool g_fsdev_ready = false;
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static bool g_rawdev_ready = false;
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static bool g_emudev_ready = false;
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static sdmmc_t g_sd_sdmmc = {0};
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static sdmmc_t g_emmc_sdmmc = {0};
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@ -264,10 +268,9 @@ static int nxfs_mount_partition_gpt_callback(const efi_entry_t *entry, void *par
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return 0;
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}
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int nxfs_mount_all(bool emunand_enabled, const char *emunand_path) {
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int nxfs_mount_sd() {
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device_partition_t model;
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int rc;
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FILE *rawnand;
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/* Setup a template for the SD card. */
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model = g_mmc_devpart_template;
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@ -289,7 +292,99 @@ int nxfs_mount_all(bool emunand_enabled, const char *emunand_path) {
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return -1;
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}
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if (emunand_enabled) {
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/* All fs devices are ready. */
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if (rc == 0) {
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g_fsdev_ready = true;
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}
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return rc;
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}
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int nxfs_mount_emmc() {
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device_partition_t model;
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int rc;
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FILE *rawnand;
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/* Setup a template for boot0. */
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model = g_mmc_devpart_template;
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model.device_struct = &g_emmc_boot0_mmcpart;
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model.start_sector = 0;
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model.num_sectors = 0x184000 / model.sector_size;
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/* Mount boot0 device. */
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rc = rawdev_mount_device("boot0", &model, true);
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if (rc == -1) {
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return -1;
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}
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/* Register boot0 device. */
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rc = rawdev_register_device("boot0");
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if (rc == -1) {
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return -1;
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}
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/* Setup a template for boot1. */
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model = g_mmc_devpart_template;
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model.device_struct = &g_emmc_boot1_mmcpart;
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model.start_sector = 0;
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model.num_sectors = 0x80000 / model.sector_size;
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/* Mount boot1 device. */
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rc = rawdev_mount_device("boot1", &model, false);
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if (rc == -1) {
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return -1;
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}
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/* Don't register boot1 for now. */
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/* Setup a template for raw NAND. */
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model = g_mmc_devpart_template;
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model.device_struct = &g_emmc_user_mmcpart;
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model.start_sector = 0;
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model.num_sectors = (256ull << 30) / model.sector_size;
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/* Mount raw NAND device. */
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rc = rawdev_mount_device("rawnand", &model, false);
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if (rc == -1) {
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return -1;
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}
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/* Register raw NAND device. */
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rc = rawdev_register_device("rawnand");
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if (rc == -1) {
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return -1;
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}
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/* Open raw NAND device. */
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rawnand = fopen("rawnand:/", "rb");
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if (rawnand == NULL) {
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return -1;
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}
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/* Iterate the GPT and mount each raw NAND partition. */
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rc = gpt_iterate_through_entries(rawnand, model.sector_size, nxfs_mount_partition_gpt_callback, &model);
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/* Close raw NAND device. */
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fclose(rawnand);
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/* All raw devices are ready. */
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if (rc == 0) {
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g_rawdev_ready = true;
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}
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return rc;
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}
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int nxfs_mount_emu_emmc(const char *emunand_path) {
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device_partition_t model;
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int rc;
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FILE *rawnand;
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/* Setup emunand paths. */
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char emu_boot0_path[0x100];
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char emu_boot1_path[0x100];
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@ -364,76 +459,58 @@ int nxfs_mount_all(bool emunand_enabled, const char *emunand_path) {
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/* Close emulated raw NAND device. */
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fclose(rawnand);
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} else {
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/* Setup a template for boot0. */
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model = g_mmc_devpart_template;
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model.device_struct = &g_emmc_boot0_mmcpart;
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model.start_sector = 0;
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model.num_sectors = 0x184000 / model.sector_size;
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/* Mount boot0 device. */
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rc = rawdev_mount_device("boot0", &model, true);
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if (rc == -1) {
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return -1;
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/* All emulated devices are ready. */
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if (rc == 0) {
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g_emudev_ready = true;
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}
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/* Register boot0 device. */
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rc = rawdev_register_device("boot0");
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if (rc == -1) {
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return -1;
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return rc;
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}
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/* Setup a template for boot1. */
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model = g_mmc_devpart_template;
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model.device_struct = &g_emmc_boot1_mmcpart;
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model.start_sector = 0;
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model.num_sectors = 0x80000 / model.sector_size;
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int nxfs_unmount_sd() {
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int rc = 0;
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/* Mount boot1 device. */
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rc = rawdev_mount_device("boot1", &model, false);
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if (rc == -1) {
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return -1;
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/* Unmount all fs devices. */
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if (g_fsdev_ready) {
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rc = fsdev_unmount_all();
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g_fsdev_ready = false;
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}
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/* Don't register boot1 for now. */
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/* Setup a template for raw NAND. */
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model = g_mmc_devpart_template;
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model.device_struct = &g_emmc_user_mmcpart;
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model.start_sector = 0;
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model.num_sectors = (256ull << 30) / model.sector_size;
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/* Mount raw NAND device. */
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rc = rawdev_mount_device("rawnand", &model, false);
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if (rc == -1) {
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return -1;
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return rc;
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}
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/* Register raw NAND device. */
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rc = rawdev_register_device("rawnand");
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if (rc == -1) {
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return -1;
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int nxfs_unmount_emmc() {
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int rc = 0;
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/* Unmount all raw devices. */
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if (g_rawdev_ready) {
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rc = rawdev_unmount_all();
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g_rawdev_ready = false;
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}
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/* Open raw NAND device. */
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rawnand = fopen("rawnand:/", "rb");
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if (rawnand == NULL) {
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return -1;
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return rc;
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}
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/* Iterate the GPT and mount each raw NAND partition. */
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rc = gpt_iterate_through_entries(rawnand, model.sector_size, nxfs_mount_partition_gpt_callback, &model);
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int nxfs_unmount_emu_emmc() {
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int rc = 0;
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/* Close raw NAND device. */
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fclose(rawnand);
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/* Unmount all emulated devices. */
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if (g_emudev_ready) {
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rc = emudev_unmount_all();
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g_emudev_ready = false;
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}
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/* Set the default file system device. */
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return rc;
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}
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int nxfs_init() {
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int rc;
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/* Mount and register the SD card. */
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rc = nxfs_mount_sd();
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/* Set the SD card as the default file system device. */
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if (rc == 0) {
|
||||
rc = fsdev_set_default_device("sdmc");
|
||||
}
|
||||
|
|
@ -441,6 +518,6 @@ int nxfs_mount_all(bool emunand_enabled, const char *emunand_path) {
|
|||
return rc;
|
||||
}
|
||||
|
||||
int nxfs_unmount_all() {
|
||||
return ((fsdev_unmount_all() || rawdev_unmount_all() || emudev_unmount_all()) ? -1 : 0);
|
||||
int nxfs_end() {
|
||||
return ((nxfs_unmount_sd() || nxfs_unmount_emmc() || nxfs_unmount_emu_emmc()) ? -1 : 0);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -21,7 +21,14 @@
|
|||
#include "raw_dev.h"
|
||||
#include "emu_dev.h"
|
||||
|
||||
int nxfs_mount_all(bool emunand_enabled, const char *emunand_path);
|
||||
int nxfs_unmount_all();
|
||||
int nxfs_init();
|
||||
int nxfs_end();
|
||||
|
||||
int nxfs_mount_sd();
|
||||
int nxfs_mount_emmc();
|
||||
int nxfs_mount_emu_emmc(const char *emunand_path);
|
||||
int nxfs_unmount_sd();
|
||||
int nxfs_unmount_emmc();
|
||||
int nxfs_unmount_emu_emmc();
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -32,8 +32,6 @@ typedef struct {
|
|||
uint32_t version;
|
||||
ScreenLogLevel log_level;
|
||||
bool display_initialized;
|
||||
bool emunand_enabled;
|
||||
char emunand_path[0x100];
|
||||
char bct0[BCTO_MAX_SIZE];
|
||||
} stage2_args_t;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue