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main.c
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main.c
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#include <fel.h>
#include <sha256.h>
#include <ecdsa256.h>
#include <spinor.h>
#include <spinand.h>
#include <libusb.h>
static void usage(void)
{
printf("xfel(v1.3.2) - https://github.com/xboot/xfel\r\n");
printf("usage:\r\n");
printf(" xfel version - Show chip version\r\n");
printf(" xfel hexdump <address> <length> - Dumps memory region in hex\r\n");
printf(" xfel dump <address> <length> - Binary memory dump to stdout\r\n");
printf(" xfel read32 <address> - Read 32-bits value from device memory\r\n");
printf(" xfel write32 <address> <value> - Write 32-bits value to device memory\r\n");
printf(" xfel read <address> <length> <file> - Read memory to file\r\n");
printf(" xfel write <address> <file> - Write file to memory\r\n");
printf(" xfel exec <address> - Call function address\r\n");
printf(" xfel reset - Reset device using watchdog\r\n");
printf(" xfel sid - Show sid information\r\n");
printf(" xfel jtag - Enable jtag debug\r\n");
printf(" xfel ddr [type] - Initial ddr controller with optional type\r\n");
printf(" xfel sign <public-key> <private-key> <file> - Generate ecdsa256 signature file for sha256 of sid\r\n");
printf(" xfel spinor - Detect spi nor flash\r\n");
printf(" xfel spinor erase <address> <length> - Erase spi nor flash\r\n");
printf(" xfel spinor read <address> <length> <file> - Read spi nor flash to file\r\n");
printf(" xfel spinor write <address> <file> - Write file to spi nor flash\r\n");
printf(" xfel spinand - Detect spi nand flash\r\n");
printf(" xfel spinand erase <address> <length> - Erase spi nand flash\r\n");
printf(" xfel spinand read <address> <length> <file> - Read spi nand flash to file\r\n");
printf(" xfel spinand write <address> <file> - Write file to spi nand flash\r\n");
printf(" xfel spinand splwrite <split-size> <address> <file> - Write file to spi nand flash with split support\r\n");
printf(" xfel extra [...] - The extra commands\r\n");
}
int main(int argc, char * argv[])
{
struct xfel_ctx_t ctx = { 0 };
libusb_context *context = NULL;
if(argc < 2)
{
usage();
return 0;
}
for(int i = 1; i < argc; i++)
{
if(!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))
{
usage();
return 0;
}
}
libusb_device **list = NULL;
libusb_init(&context);
int count = libusb_get_device_list(context, &list);
assert(count > 0);
for (size_t i = 0; i < count; ++i) {
libusb_device *device = list[i];
struct libusb_device_descriptor desc;
int rc = libusb_get_device_descriptor(device, &desc);
if(rc != 0)
{
printf("ERROR: Can't get device list: %d\r\n", rc);
}
if(desc.idVendor == 0x1f3a && desc.idProduct == 0xefe8) {
int rc = libusb_open(device, &ctx.hdl);
if(rc != 0)
{
printf("ERROR: Can't connect to device: %d\r\n", rc);
}
break;
}
}
if(!fel_init(&ctx))
{
printf("ERROR: Can't found any FEL device\r\n");
if(ctx.hdl)
libusb_close(ctx.hdl);
libusb_exit(NULL);
return -1;
}
if(!strcmp(argv[1], "version"))
{
printf("%.8s ID=0x%08x(%s) dflag=0x%02x dlength=0x%02x scratchpad=0x%08x\r\n",
ctx.version.magic, ctx.version.id, ctx.chip->name, ctx.version.dflag,
ctx.version.dlength, ctx.version.scratchpad);
}
else if(!strcmp(argv[1], "hexdump"))
{
argc -= 2;
argv += 2;
if(argc == 2)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
size_t len = strtoul(argv[1], NULL, 0);
char * buf = malloc(len);
if(buf)
{
fel_read(&ctx, addr, buf, len);
hexdump(addr, buf, len);
free(buf);
}
}
else
usage();
}
else if(!strcmp(argv[1], "dump"))
{
argc -= 2;
argv += 2;
if(argc == 2)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
size_t len = strtoul(argv[1], NULL, 0);
char * buf = malloc(len);
if(buf)
{
fel_read(&ctx, addr, buf, len);
fwrite(buf, len, 1, stdout);
free(buf);
}
}
else
usage();
}
else if(!strcmp(argv[1], "read32"))
{
argc -= 2;
argv += 2;
if(argc == 1)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
printf("0x%08x\r\n", fel_read32(&ctx, addr));
}
else
usage();
}
else if(!strcmp(argv[1], "write32"))
{
argc -= 2;
argv += 2;
if(argc == 2)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
uint32_t val = strtoul(argv[1], NULL, 0);
fel_write32(&ctx, addr, val);
}
else
usage();
}
else if(!strcmp(argv[1], "read"))
{
argc -= 2;
argv += 2;
if(argc == 3)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
size_t len = strtoul(argv[1], NULL, 0);
char * buf = malloc(len);
if(buf)
{
fel_read_progress(&ctx, addr, buf, len);
file_save(argv[2], buf, len);
free(buf);
}
}
else
usage();
}
else if(!strcmp(argv[1], "write"))
{
argc -= 2;
argv += 2;
if(argc == 2)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
uint64_t len;
void * buf = file_load(argv[1], &len);
if(buf)
{
fel_write_progress(&ctx, addr, buf, len);
free(buf);
}
}
else
usage();
}
else if(!strcmp(argv[1], "exec"))
{
argc -= 2;
argv += 2;
if(argc == 1)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
fel_exec(&ctx, addr);
}
else
usage();
}
else if(!strcmp(argv[1], "reset"))
{
if(!fel_chip_reset(&ctx))
printf("The '%s' chip don't support reset command\r\n", ctx.chip->name);
}
else if(!strcmp(argv[1], "sid"))
{
char sid[256];
if(fel_chip_sid(&ctx, sid))
printf("%s\r\n", sid);
else
printf("The '%s' chip don't support sid command\r\n", ctx.chip->name);
}
else if(!strcmp(argv[1], "jtag"))
{
if(!fel_chip_jtag(&ctx))
printf("The '%s' chip don't support jtag command\r\n", ctx.chip->name);
}
else if(!strcmp(argv[1], "ddr"))
{
argc -= 2;
argv += 2;
if(!fel_chip_ddr(&ctx, (argc == 1) ? argv[0] : ""))
printf("Failed to initial ddr controller\r\n");
}
else if(!strcmp(argv[1], "sign"))
{
argc -= 2;
argv += 2;
if(argc == 3)
{
uint8_t public_key[33] = {
0x03, 0xcf, 0xd1, 0x8e, 0x4a, 0x4b, 0x40, 0xd6,
0x52, 0x94, 0x48, 0xaa, 0x2d, 0xf8, 0xbb, 0xb6,
0x77, 0x12, 0x82, 0x58, 0xb8, 0xfb, 0xfc, 0x5b,
0x9e, 0x49, 0x2f, 0xbb, 0xba, 0x4e, 0x84, 0x83,
0x2f,
};
uint8_t private_key[32] = {
0xdc, 0x57, 0xb8, 0xa9, 0xe0, 0xe2, 0xb7, 0xf8,
0xb4, 0xc9, 0x29, 0xbd, 0x8d, 0xb2, 0x84, 0x4e,
0x53, 0xf0, 0x1f, 0x17, 0x1b, 0xbc, 0xdf, 0x6e,
0x62, 0x89, 0x08, 0xdb, 0xf2, 0xb2, 0xe6, 0xa9,
};
char * p = argv[0];
if(p && (strcmp(p, "") != 0) && (strlen(p) == sizeof(public_key) * 2))
{
for(int i = 0; i < sizeof(public_key); i++)
public_key[i] = hex_string(p, i * 2);
}
char * q = argv[1];
if(q && (strcmp(q, "") != 0) && (strlen(q) == sizeof(private_key) * 2))
{
for(int i = 0; i < sizeof(private_key); i++)
private_key[i] = hex_string(q, i * 2);
}
char sid[256];
uint8_t sha256[32];
uint8_t signature[64];
if(fel_chip_sid(&ctx, sid))
{
sha256_hash(sid, strlen(sid), sha256);
ecdsa256_sign(private_key, sha256, signature);
printf("Unique ID:\r\n\t");
printf("%s\r\n", sid);
printf("Sha256 digest:\r\n\t");
for(int i = 0; i < sizeof(sha256); i++)
printf("%02x", sha256[i]);
printf("\r\n");
printf("Ecdsa256 public key:\r\n\t");
for(int i = 0; i < sizeof(public_key); i++)
printf("%02x", public_key[i]);
printf("\r\n");
printf("Ecdsa256 private key:\r\n\t");
for(int i = 0; i < sizeof(private_key); i++)
printf("%02x", private_key[i]);
printf("\r\n");
printf("Ecdsa256 signature:\r\n\t");
for(int i = 0; i < sizeof(signature); i++)
printf("%02x", signature[i]);
printf("\r\n");
if(ecdsa256_verify(public_key, sha256, signature))
{
file_save(argv[2], signature, sizeof(signature));
printf("Ecdsa256 signature verify successed and saved to '%s'.\r\n", argv[2]);
}
else
printf("Ecdsa256 signature verify failed, please check the ecdsa256 public and private key.\r\n");
}
else
printf("The '%s' chip don't support sid command\r\n", ctx.chip->name);
}
else
usage();
}
else if(!strcmp(argv[1], "spinor"))
{
argc -= 2;
argv += 2;
if(argc == 0)
{
char name[128];
uint64_t capacity;
if(spinor_detect(&ctx, name, &capacity))
printf("Found spi nor flash '%s' with %lld bytes\r\n", name, (long long)capacity);
else
printf("Can't detect any spi nor flash\r\n");
}
else
{
if(!strcmp(argv[0], "erase") && (argc == 3))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len = strtoull(argv[1], NULL, 0);
if(!spinor_erase(&ctx, addr, len))
printf("Can't erase spi nor flash\r\n");
}
else if(!strcmp(argv[0], "read") && (argc == 4))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len = strtoull(argv[1], NULL, 0);
char * buf = malloc(len);
if(buf)
{
if(spinor_read(&ctx, addr, buf, len))
file_save(argv[2], buf, len);
else
printf("Can't read spi nor flash\r\n");
free(buf);
}
}
else if(!strcmp(argv[0], "write") && (argc == 3))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len;
void * buf = file_load(argv[1], &len);
if(buf)
{
if(!spinor_write(&ctx, addr, buf, len))
printf("Can't write spi nor flash\r\n");
free(buf);
}
}
else
usage();
}
}
else if(!strcmp(argv[1], "spinand"))
{
argc -= 2;
argv += 2;
if(argc == 0)
{
char name[128];
uint64_t capacity;
if(spinand_detect(&ctx, name, &capacity))
printf("Found spi nand flash '%s' with %lld bytes\r\n", name, (long long)capacity);
else
printf("Can't detect any spi nand flash\r\n");
}
else
{
if(!strcmp(argv[0], "erase") && (argc == 3))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len = strtoull(argv[1], NULL, 0);
if(!spinand_erase(&ctx, addr, len))
printf("Can't erase spi nand flash\r\n");
}
else if(!strcmp(argv[0], "read") && (argc == 4))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len = strtoull(argv[1], NULL, 0);
char * buf = malloc(len);
if(buf)
{
if(spinand_read(&ctx, addr, buf, len))
file_save(argv[2], buf, len);
else
printf("Can't read spi nand flash\r\n");
free(buf);
}
}
else if(!strcmp(argv[0], "write") && (argc == 3))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len;
void * buf = file_load(argv[1], &len);
if(buf)
{
if(!spinand_write(&ctx, addr, buf, len))
printf("Can't write spi nand flash\r\n");
free(buf);
}
}
else if(!strcmp(argv[0], "splwrite") && (argc == 4))
{
argc -= 1;
argv += 1;
uint32_t splitsz = strtoul(argv[0], NULL, 0);
uint64_t addr = strtoull(argv[1], NULL, 0);
uint64_t len;
void * buf = file_load(argv[2], &len);
if(buf)
{
if(!spinand_splwrite(&ctx, splitsz, addr, buf, len))
printf("Can't write spi nand flash with split support\r\n");
free(buf);
}
}
else
usage();
}
}
else if(!strcmp(argv[1], "extra"))
{
argc -= 2;
argv += 2;
if(!fel_chip_extra(&ctx, argc, argv))
printf("Not support any extra commands\r\n");
}
else
usage();
if(ctx.hdl)
libusb_close(ctx.hdl);
libusb_exit(NULL);
return 0;
}