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fusee: update and simplify emunand image path handling

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This commit is contained in:
hexkyz
2019-06-03 20:29:37 +01:00
parent 837b30d075
commit 00e22c7fd0
3 changed files with 75 additions and 78 deletions
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96
fusee/fusee-secondary/src/nxfs.c
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@@ -517,11 +517,14 @@ int nxfs_mount_emmc() {
return rc;
}
int nxfs_mount_emu_emmc(const char *emunand_boot0_path, const char *emunand_boot1_path, const char *emunand_rawnand_base_path, int num_parts, uint64_t part_limit) {
int nxfs_mount_emu_emmc(const char *emunand_path, int num_parts, uint64_t part_limit) {
device_partition_t model;
int rc;
FILE *rawnand;
bool is_exfat;
char emunand_boot0_path[0x300 + 1] = {0};
char emunand_boot1_path[0x300 + 1] = {0};
char emunand_rawnand_path[0x300 + 1] = {0};
/* Check if the SD card is EXFAT formatted. */
rc = fsdev_is_exfat("sdmc");
@@ -534,14 +537,42 @@ int nxfs_mount_emu_emmc(const char *emunand_boot0_path, const char *emunand_boot
/* Set EXFAT status. */
is_exfat = (rc == 1);
/* We want a folder with the archive bit set. */
rc = fsdev_get_attr(emunand_path);
/* Failed to get file DOS attributes. */
if (rc == -1) {
return -1;
}
/* Our path is not a directory. */
if (!(rc & AM_DIR)) {
return -1;
}
/* Check if the archive bit is not set. */
if (!(rc & AM_ARC)) {
/* Try to set the archive bit. */
rc = fsdev_set_attr(emunand_path, AM_ARC, AM_ARC);
/* Failed to set file DOS attributes. */
if (rc == -1) {
return -1;
}
}
/* Setup an emulation template for boot0. */
model = g_emummc_devpart_template;
model.start_sector = 0;
model.num_sectors = 0x184000 / model.sector_size;
/* Prepare boot0 file path. */
snprintf(emunand_boot0_path, sizeof(emunand_boot0_path) - 1, "sdmc:/%s/%s", emunand_path, "boot0");
/* Mount emulated boot0 device. */
rc = emudev_mount_device("boot0", &model, emunand_boot0_path);
/* Failed to mount boot0 device. */
if (rc == -1) {
return -1;
}
@@ -549,6 +580,7 @@ int nxfs_mount_emu_emmc(const char *emunand_boot0_path, const char *emunand_boot
/* Register emulated boot0 device. */
rc = emudev_register_device("boot0");
/* Failed to register boot0 device. */
if (rc == -1) {
return -1;
}
@@ -558,9 +590,13 @@ int nxfs_mount_emu_emmc(const char *emunand_boot0_path, const char *emunand_boot
model.start_sector = 0;
model.num_sectors = 0x80000 / model.sector_size;
/* Prepare boot1 file path. */
snprintf(emunand_boot1_path, sizeof(emunand_boot1_path) - 1, "sdmc:/%s/%s", emunand_path, "boot1");
/* Mount emulated boot1 device. */
rc = emudev_mount_device("boot1", &model, emunand_boot1_path);
/* Failed to mount boot1. */
if (rc == -1) {
return -1;
}
@@ -572,48 +608,25 @@ int nxfs_mount_emu_emmc(const char *emunand_boot0_path, const char *emunand_boot
model.start_sector = 0;
model.num_sectors = (256ull << 30) / model.sector_size;
/* Prepare single raw NAND file path. */
snprintf(emunand_rawnand_path, sizeof(emunand_rawnand_path) - 1, "sdmc:/%s/%02d", emunand_path, 0);
/* Mount emulated raw NAND device from single or multiple parts. */
if (!is_exfat) {
/* For multiple parts we want a folder with the archive bit set. */
rc = fsdev_get_attr(emunand_rawnand_base_path);
/* Failed to get file DOS attributes. */
if (rc == -1) {
return -1;
}
/* Our path is not a directory. */
if (!(rc & AM_DIR)) {
return -1;
}
/* Check if the archive bit is not set. */
if (!(rc & AM_ARC)) {
/* Try to set the archive bit. */
rc = fsdev_set_attr(emunand_rawnand_base_path, AM_ARC, AM_ARC);
/* Failed to set file DOS attributes. */
if (rc == -1) {
return -1;
}
}
/* Mount emulated raw NAND device from multiple parts. */
rc = emudev_mount_device_multipart("rawnand", &model, emunand_rawnand_base_path, num_parts, part_limit);
if (rc == -1) {
return -1;
}
rc = emudev_mount_device_multipart("rawnand", &model, emunand_path, num_parts, part_limit);
} else {
/* Mount emulated raw NAND device. */
rc = emudev_mount_device("rawnand", &model, emunand_rawnand_base_path);
if (rc == -1) {
return -1;
}
rc = emudev_mount_device("rawnand", &model, emunand_rawnand_path);
}
/* Failed to mount raw NAND. */
if (rc == -1) {
return -1;
}
/* Register emulated raw NAND device. */
rc = emudev_register_device("rawnand");
/* Failed to register raw NAND device. */
if (rc == -1) {
return -1;
}
@@ -621,13 +634,18 @@ int nxfs_mount_emu_emmc(const char *emunand_boot0_path, const char *emunand_boot
/* Open emulated raw NAND device. */
rawnand = fopen("rawnand:/", "rb");
/* Failed to open emulated raw NAND device. */
if (rawnand == NULL) {
return -1;
}
/* Iterate the GPT and mount each emulated raw NAND partition. */
rc = gpt_iterate_through_emu_entries(rawnand, model.sector_size, nxfs_mount_emu_partition_gpt_callback, &model, emunand_rawnand_base_path, !is_exfat, num_parts, part_limit);
if (!is_exfat) {
rc = gpt_iterate_through_emu_entries(rawnand, model.sector_size, nxfs_mount_emu_partition_gpt_callback, &model, emunand_path, true, num_parts, part_limit);
} else {
rc = gpt_iterate_through_emu_entries(rawnand, model.sector_size, nxfs_mount_emu_partition_gpt_callback, &model, emunand_rawnand_path, false, num_parts, part_limit);
}
/* Close emulated raw NAND device. */
fclose(rawnand);