emunand: Move all emulation code to fusee-secondary and simplify logic
This commit is contained in:
hexkyz
@@ -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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@@ -288,152 +291,226 @@ int nxfs_mount_all(bool emunand_enabled, const char *emunand_path) {
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if (rc == -1) {
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return -1;
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}
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if (emunand_enabled) {
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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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char emu_rawnand_path[0x100];
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memset(emu_boot0_path, 0, sizeof(emu_boot0_path));
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memset(emu_boot1_path, 0, sizeof(emu_boot1_path));
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memset(emu_rawnand_path, 0, sizeof(emu_rawnand_path));
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snprintf(emu_boot0_path, sizeof(emu_boot0_path), "sdmc:/%s/%s", emunand_path, "boot0");
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snprintf(emu_boot1_path, sizeof(emu_boot1_path), "sdmc:/%s/%s", emunand_path, "boot1");
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snprintf(emu_rawnand_path, sizeof(emu_rawnand_path), "sdmc:/%s/%s", emunand_path, "rawnand");
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/* Setup an emulation template for boot0. */
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model = g_emummc_devpart_template;
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model.start_sector = 0;
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model.num_sectors = 0x184000 / model.sector_size;
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/* Mount emulated boot0 device. */
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rc = emudev_mount_device("boot0", emu_boot0_path, &model);
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if (rc == -1) {
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return -1;
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}
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/* Register emulated boot0 device. */
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rc = emudev_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 an emulation template for boot1. */
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model = g_emummc_devpart_template;
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model.start_sector = 0;
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model.num_sectors = 0x80000 / model.sector_size;
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/* Mount emulated boot1 device. */
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rc = emudev_mount_device("boot1", emu_boot1_path, &model);
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if (rc == -1) {
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return -1;
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}
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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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/* Don't register emulated boot1 for now. */
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/* Setup a template for raw NAND. */
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model = g_emummc_devpart_template;
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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 emulated raw NAND device. */
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rc = emudev_mount_device("rawnand", emu_rawnand_path, &model);
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if (rc == -1) {
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return -1;
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}
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/* Register emulated raw NAND device. */
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rc = emudev_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 emulated 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 emulated 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 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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}
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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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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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/* Set the default file system device. */
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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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char emu_rawnand_path[0x100];
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memset(emu_boot0_path, 0, sizeof(emu_boot0_path));
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memset(emu_boot1_path, 0, sizeof(emu_boot1_path));
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memset(emu_rawnand_path, 0, sizeof(emu_rawnand_path));
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snprintf(emu_boot0_path, sizeof(emu_boot0_path), "sdmc:/%s/%s", emunand_path, "boot0");
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snprintf(emu_boot1_path, sizeof(emu_boot1_path), "sdmc:/%s/%s", emunand_path, "boot1");
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snprintf(emu_rawnand_path, sizeof(emu_rawnand_path), "sdmc:/%s/%s", emunand_path, "rawnand");
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/* Setup an emulation template for boot0. */
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model = g_emummc_devpart_template;
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model.start_sector = 0;
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model.num_sectors = 0x184000 / model.sector_size;
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/* Mount emulated boot0 device. */
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rc = emudev_mount_device("boot0", emu_boot0_path, &model);
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if (rc == -1) {
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return -1;
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}
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/* Register emulated boot0 device. */
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rc = emudev_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 an emulation template for boot1. */
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model = g_emummc_devpart_template;
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model.start_sector = 0;
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model.num_sectors = 0x80000 / model.sector_size;
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/* Mount emulated boot1 device. */
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rc = emudev_mount_device("boot1", emu_boot1_path, &model);
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if (rc == -1) {
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return -1;
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}
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/* Don't register emulated boot1 for now. */
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/* Setup a template for raw NAND. */
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model = g_emummc_devpart_template;
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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 emulated raw NAND device. */
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rc = emudev_mount_device("rawnand", emu_rawnand_path, &model);
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if (rc == -1) {
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return -1;
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}
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/* Register emulated raw NAND device. */
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rc = emudev_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 emulated 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 emulated 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 emulated raw NAND device. */
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fclose(rawnand);
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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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return rc;
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}
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int nxfs_unmount_sd() {
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int rc = 0;
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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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return rc;
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}
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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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return rc;
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}
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int nxfs_unmount_emu_emmc() {
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int rc = 0;
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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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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) {
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rc = fsdev_set_default_device("sdmc");
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}
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@@ -441,6 +518,6 @@ int nxfs_mount_all(bool emunand_enabled, const char *emunand_path) {
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return rc;
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}
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int nxfs_unmount_all() {
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return ((fsdev_unmount_all() || rawdev_unmount_all() || emudev_unmount_all()) ? -1 : 0);
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int nxfs_end() {
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return ((nxfs_unmount_sd() || nxfs_unmount_emmc() || nxfs_unmount_emu_emmc()) ? -1 : 0);
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}
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