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Dump option ROM when reading flash over USB

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This commit is contained in:
Ondrej Jirman 2021-08-31 14:29:50 +02:00
parent 0e4f426dfb
commit fa19294d05
1 changed files with 3 additions and 2 deletions
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5
usb-flasher.c
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@ -693,15 +693,16 @@ int main(int ac, char* av[])
for (int i = optind; i < ac; i++) { for (int i = optind; i < ac; i++) {
if (!strcmp(av[i], "read")) { if (!strcmp(av[i], "read")) {
uint8_t rom[0x8000]; uint8_t rom[0x8100];
memset(rom, 0xff, sizeof rom); memset(rom, 0xff, sizeof rom);
printf("Reading code ROM\n"); printf("Reading code ROM\n");
cmd_read_rom(rom, 0, 0x8000); cmd_read_rom(rom, 0, 0x8000);
cmd_read_option(rom + 0x8000);
int fd = open(rom_out, O_WRONLY | O_CREAT | O_TRUNC, 0666); int fd = open(rom_out, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (fd >= 0) { if (fd >= 0) {
ssize_t wr = write(fd, rom, 0x8000); ssize_t wr = write(fd, rom, 0x8100);
syscall_error(wr < 0, "write failed"); syscall_error(wr < 0, "write failed");
close(fd); close(fd);
} }