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Implemented NAND dumping
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parent
8488331cdf
commit
9f966656d4
23
dump.scr
Normal file
23
dump.scr
Normal file
@ -0,0 +1,23 @@
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echo "Dumping script"
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nquery 0
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set NAND_ECCPOS 3
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rebuildcfg
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boot
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echo "Configured for bootloader IO!"
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ndump 0 0 64 "dump/nand.bin"
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set NAND_ECCPOS 8
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rebuildcfg
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boot
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echo "Configuration restored"
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ndump 0 128 66 "dump/loader.bin"
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ndump 0 256 1 "dump/def_boot.bin"
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ndump 0 512 3061 "dump/img_boot.bin"
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ndump 0 8192 8192 "dump/minios.bin"
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ndump 0 32768 32768 "dump/res.bin"
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69
ingenic.c
69
ingenic.c
@ -504,4 +504,73 @@ int ingenic_query_nand(void *hndl, int cs, nand_info_t *info) {
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return 0;
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}
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int ingenic_dump_nand(void *hndl, int cs, int start, int pages, int type, const char *filename) {
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HANDLE;
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int page_size = (handle->nand.nand_ps + (type == NO_OOB ? 0 : handle->nand.nand_os));
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int chunk_pages = STAGE2_IOBUF / page_size;
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debug(LEVEL_DEBUG, "Ingenic: NAND dump: page size: %d bytes, pages in chunk: %d\n", page_size, chunk_pages);
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FILE *dest = fopen(filename, "wb");
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if(dest == NULL)
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return -1;
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void *iobuf = malloc(chunk_pages * page_size);
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int ret = 0;
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while(pages > 0) {
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int chunk = pages < chunk_pages ? pages : chunk_pages;
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int bytes = chunk * page_size;
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debug(LEVEL_DEBUG, "Ingenic: dumping NAND %d to file %s from page %d, size: %d bytes (%d pages)\n", cs, filename, start, bytes, chunk);
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ret = ingenic_wordop(handle->usb, VR_SET_DATA_ADDRESS, start);
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if(ret == -1)
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break;
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ret = ingenic_wordop(handle->usb, VR_SET_DATA_LENGTH, chunk);
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if(ret == -1)
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break;
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ret = ingenic_nandop(handle->usb, cs, NAND_READ, type);
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if(ret == -1)
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break;
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int ret = usbdev_recvbulk(handle->usb, iobuf, bytes);
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if(ret == -1)
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return -1;
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if(ret != bytes) {
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debug(LEVEL_ERROR, "Ingenic: NAND dump truncated: expected %d bytes, received %d\n", bytes, ret);
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errno = EIO;
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return -1;
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}
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uint32_t result[4];
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ret = usbdev_recvbulk(handle->usb, result, sizeof(result));
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if(ret == -1)
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return -1;
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fwrite(iobuf, bytes, 1, dest);
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start += chunk;
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pages -= chunk;
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}
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free(iobuf);
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fclose(dest);
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return ret;
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}
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@ -32,6 +32,8 @@
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#define STAGE2_CODESIZE 0x400000
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#define SDRAM_BASE 0x80000000
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#define STAGE2_IOBUF (2048 * 128)
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#define DS_flash_info 0
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#define DS_hand 1
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@ -47,6 +49,10 @@
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#define NAND_PROGRAM 7
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#define NAND_READ_TO_RAM 8
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#define OOB_ECC 0
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#define OOB_NO_ECC 1
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#define NO_OOB 2
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typedef struct {
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/* debug args */
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uint8_t debug_ops;
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@ -128,5 +134,6 @@ int ingenic_load_sdram_file(void *hndl, uint32_t base, const char *filename);
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int ingenic_go(void *hndl, uint32_t address);
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int ingenic_query_nand(void *hndl, int cs, nand_info_t *info);
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int ingenic_dump_nand(void *hndl, int cs, int start, int pages, int type, const char *filename);
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#endif
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@ -28,6 +28,7 @@ static int usbboot_boot(int argc, char *argv[]);
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static int usbboot_load(int argc, char *argv[]);
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static int usbboot_go(int argc, char *argv[]);
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static int usbboot_nquery(int argc, char *argv[]);
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static int usbboot_ndump(int argc, char *argv[]);
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const shell_command_t usbboot_cmdset[] = {
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@ -36,6 +37,8 @@ const shell_command_t usbboot_cmdset[] = {
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{ "go", "<ADDRESS> - Jump to <ADDRESS>", usbboot_go },
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{ "nquery", "<DEVICE> - Query NAND information", usbboot_nquery },
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{ "ndump", "<DEVICE> <STARTPAGE> <PAGES> <FILE> - Dump NAND to file", usbboot_ndump },
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{ "ndump_oob", "<DEVICE> <STARTPAGE> <PAGES> <FILE> - Dump NAND with OOB to file", usbboot_ndump },
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{ NULL, NULL, NULL }
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};
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@ -108,3 +111,23 @@ static int usbboot_nquery(int argc, char *argv[]) {
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return 0;
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}
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static int usbboot_ndump(int argc, char *argv[]) {
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if(argc != 5) {
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printf("Usage: %s <DEVICE> <STARTPAGE> <PAGES> <FILE>\n", argv[0]);
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return -1;
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}
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int type = strcmp(argv[0], "ndump_oob") ? NO_OOB : OOB_ECC;
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int ret = ingenic_dump_nand(shell_device(), atoi(argv[1]), atoi(argv[2]), atoi(argv[3]), type, argv[4]);
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if(ret == -1) {
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perror("ingenic_dump_nand");
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return -1;
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}
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return 0;
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}
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