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https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-22 20:31:14 +00:00
emunand: Use HOS archive style for rawnand parts
This commit is contained in:
parent
a9afbd2458
commit
0177b612f4
6 changed files with 59 additions and 7 deletions
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@ -104,7 +104,8 @@ int emu_device_partition_read_data(device_partition_t *devpart, void *dst, uint6
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}
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}
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}
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}
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snprintf(target_path, sizeof(target_path) - 1, "%s%02d", origin_path, target_part);
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/* Treat the path as a folder with each part inside. */
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snprintf(target_path, sizeof(target_path) - 1, "%s/%02d", origin_path, target_part);
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} else {
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} else {
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target_sector = sector;
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target_sector = sector;
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strcpy(target_path, origin_path);
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strcpy(target_path, origin_path);
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@ -176,7 +177,8 @@ int emu_device_partition_write_data(device_partition_t *devpart, const void *src
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}
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}
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}
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}
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snprintf(target_path, sizeof(target_path) - 1, "%s%02d", origin_path, target_part);
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/* Treat the path as a folder with each part inside. */
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snprintf(target_path, sizeof(target_path) - 1, "%s/%02d", origin_path, target_part);
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} else {
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} else {
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target_sector = sector;
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target_sector = sector;
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strcpy(target_path, origin_path);
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strcpy(target_path, origin_path);
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@ -300,6 +300,21 @@ int fsdev_unmount_all(void) {
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return 0;
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return 0;
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}
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}
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int fsdev_set_attr(const char *file, int attr, int mask) {
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return fsdev_convert_rc(NULL, f_chmod(file, (BYTE)attr, (BYTE)mask));
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}
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int fsdev_get_attr(const char *file) {
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FILINFO info;
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FRESULT rc = f_stat(file, &info);
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if (rc == FR_OK) {
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return info.fattrib;
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}
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return fsdev_convert_rc(NULL, rc);
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}
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/* Adapted from https://github.com/benemorius/openOBC-devboard/blob/bf0a4a33e22d24e7c299f921d185da27377310e0/lib/fatfs/FatFS.cpp#L173 */
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/* Adapted from https://github.com/benemorius/openOBC-devboard/blob/bf0a4a33e22d24e7c299f921d185da27377310e0/lib/fatfs/FatFS.cpp#L173 */
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static int fsdev_convert_rc(struct _reent *r, FRESULT rc) {
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static int fsdev_convert_rc(struct _reent *r, FRESULT rc) {
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int errornumber;
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int errornumber;
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@ -27,6 +27,9 @@ int fsdev_register_device(const char *name);
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int fsdev_unregister_device(const char *name);
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int fsdev_unregister_device(const char *name);
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int fsdev_unmount_device(const char *name); /* also unregisters. */
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int fsdev_unmount_device(const char *name); /* also unregisters. */
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int fsdev_set_attr(const char *file, int attr, int mask); /* Non-standard function to set file DOS attributes. */
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int fsdev_get_attr(const char *file); /* Non-standard function to get file DOS attributes. */
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int fsdev_set_default_device(const char *name); /* must be registered. */
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int fsdev_set_default_device(const char *name); /* must be registered. */
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int fsdev_is_exfat(const char *name); /* must be registered. */
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int fsdev_is_exfat(const char *name); /* must be registered. */
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@ -50,7 +50,7 @@
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/* This option switches f_expand function. (0:Disable or 1:Enable) */
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/* This option switches f_expand function. (0:Disable or 1:Enable) */
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#define FF_USE_CHMOD 0
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#define FF_USE_CHMOD 1
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/* This option switches attribute manipulation functions, f_chmod() and f_utime().
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/* This option switches attribute manipulation functions, f_chmod() and f_utime().
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/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
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/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
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@ -230,11 +230,12 @@ static bool nxboot_configure_emunand() {
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/* Check if full rawnand image file is present. */
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/* Check if full rawnand image file is present. */
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if (!is_valid_file(emunand_rawnand_base_path)) {
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if (!is_valid_file(emunand_rawnand_base_path)) {
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char emunand_rawnand_path[0x300 + 3 + 1] = {0};
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char emunand_rawnand_path[0x300 + 4 + 1] = {0};
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/* Search for rawnand part files instead. */
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/* Search for rawnand part files instead. */
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for (int i = 0; i < 64; i++) {
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for (int i = 0; i < 64; i++) {
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snprintf(emunand_rawnand_path, sizeof(emunand_rawnand_path) - 1, "%s%02d", emunand_rawnand_base_path, i);
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/* Treat rawnand as a folder with each part inside. */
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snprintf(emunand_rawnand_path, sizeof(emunand_rawnand_path) - 1, "%s/%02d", emunand_rawnand_base_path, i);
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if (is_valid_file(emunand_rawnand_path)) {
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if (is_valid_file(emunand_rawnand_path)) {
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if (i == 0) {
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if (i == 0) {
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/* The size of the first part file should tell us the part limit. */
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/* The size of the first part file should tell us the part limit. */
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@ -26,6 +26,8 @@
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#include "utils.h"
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#include "utils.h"
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#include "sdmmc/sdmmc.h"
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#include "sdmmc/sdmmc.h"
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#include "lib/fatfs/ff.h"
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static bool g_ahb_redirect_enabled = false;
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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_sd_device_initialized = false;
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static bool g_emmc_device_initialized = false;
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static bool g_emmc_device_initialized = false;
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@ -154,6 +156,7 @@ static int mmc_partition_write(device_partition_t *devpart, const void *src, uin
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}
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}
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static int emummc_partition_initialize(device_partition_t *devpart) {
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static int emummc_partition_initialize(device_partition_t *devpart) {
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/* Allocate the crypto work buffer. */
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if ((devpart->read_cipher != NULL) || (devpart->write_cipher != NULL)) {
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if ((devpart->read_cipher != NULL) || (devpart->write_cipher != NULL)) {
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devpart->crypto_work_buffer = memalign(16, devpart->sector_size * 16);
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devpart->crypto_work_buffer = memalign(16, devpart->sector_size * 16);
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if (devpart->crypto_work_buffer == NULL) {
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if (devpart->crypto_work_buffer == NULL) {
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@ -166,12 +169,16 @@ static int emummc_partition_initialize(device_partition_t *devpart) {
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devpart->crypto_work_buffer_num_sectors = 0;
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devpart->crypto_work_buffer_num_sectors = 0;
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}
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}
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devpart->initialized = true;
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devpart->initialized = true;
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return 0;
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return 0;
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}
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}
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static void emummc_partition_finalize(device_partition_t *devpart) {
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static void emummc_partition_finalize(device_partition_t *devpart) {
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/* Free the crypto work buffer. */
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if (devpart->crypto_work_buffer != NULL) {
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free(devpart->crypto_work_buffer);
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free(devpart->crypto_work_buffer);
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}
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}
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}
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static int nxfs_bis_crypto_decrypt(device_partition_t *devpart, uint64_t sector, uint64_t num_sectors) {
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static int nxfs_bis_crypto_decrypt(device_partition_t *devpart, uint64_t sector, uint64_t num_sectors) {
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unsigned int keyslot_a = 4; /* These keyslots are never used by exosphere, and should be safe. */
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unsigned int keyslot_a = 4; /* These keyslots are never used by exosphere, and should be safe. */
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@ -566,6 +573,30 @@ int nxfs_mount_emu_emmc(const char *emunand_boot0_path, const char *emunand_boot
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model.num_sectors = (256ull << 30) / model.sector_size;
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model.num_sectors = (256ull << 30) / model.sector_size;
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if (!is_exfat) {
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if (!is_exfat) {
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/* For multiple parts we want a folder with the archive bit set. */
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rc = fsdev_get_attr(emunand_rawnand_base_path);
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/* Failed to get file DOS attributes. */
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if (rc == -1) {
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return -1;
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}
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/* Our path is not a directory. */
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if (!(rc & AM_DIR)) {
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return -1;
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}
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/* Check if the archive bit is not set. */
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if (!(rc & AM_ARC)) {
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/* Try to set the archive bit. */
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rc = fsdev_set_attr(emunand_rawnand_base_path, AM_ARC, AM_ARC);
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/* Failed to set file DOS attributes. */
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if (rc == -1) {
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return -1;
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}
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}
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/* Mount emulated raw NAND device from multiple parts. */
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/* Mount emulated raw NAND device from multiple parts. */
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rc = emudev_mount_device_multipart("rawnand", &model, emunand_rawnand_base_path, num_parts, part_limit);
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rc = emudev_mount_device_multipart("rawnand", &model, emunand_rawnand_base_path, num_parts, part_limit);
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