diff options
Diffstat (limited to 'scripts/kwboot.c')
| -rw-r--r-- | scripts/kwboot.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/scripts/kwboot.c b/scripts/kwboot.c index 1fcb49b7ac..9e4181e539 100644 --- a/scripts/kwboot.c +++ b/scripts/kwboot.c @@ -600,7 +600,7 @@ out: } static int -kwboot_check_image(const unsigned char *img, size_t size) +kwboot_check_image(unsigned char *img, size_t size) { size_t i; size_t header_size, image_size; @@ -613,12 +613,20 @@ kwboot_check_image(const unsigned char *img, size_t size) } switch (img[0x0]) { - case 0x5a: /* SPI/NOR */ case 0x69: /* UART0 */ + break; + + case 0x5a: /* SPI/NOR */ case 0x78: /* SATA */ case 0x8b: /* NAND */ case 0x9c: /* PCIe */ + /* change boot source to UART and fix checksum */ + img[0x1f] -= img[0x0]; + img[0x1f] += 0x69; + img[0x0] = 0x69; + break; + default: fprintf(stderr, "Unknown boot source: 0x%hhx\n", img[0x0]); @@ -674,7 +682,7 @@ kwboot_mmap_image(const char *path, size_t *size) if (rc) goto out; - img = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0); + img = mmap(NULL, st.st_size, PROT_WRITE, MAP_PRIVATE, fd, 0); if (img == MAP_FAILED) { img = NULL; goto out; |