diff options
Diffstat (limited to 'tools/firmware-utils/src/ptgen.c')
| -rw-r--r-- | tools/firmware-utils/src/ptgen.c | 81 |
1 files changed, 71 insertions, 10 deletions
diff --git a/tools/firmware-utils/src/ptgen.c b/tools/firmware-utils/src/ptgen.c index 223ee29561..93c2d32a3f 100644 --- a/tools/firmware-utils/src/ptgen.c +++ b/tools/firmware-utils/src/ptgen.c @@ -52,6 +52,8 @@ #define swap(a, b) \ do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0) +#define BIT(_x) (1UL << (_x)) + typedef struct { uint8_t b[16]; } guid_t; @@ -80,11 +82,23 @@ typedef struct { GUID_INIT( 0x21686148, 0x6449, 0x6E6F, \ 0x74, 0x4E, 0x65, 0x65, 0x64, 0x45, 0x46, 0x49) +#define GUID_PARTITION_LINUX_FIT_GUID \ + GUID_INIT( 0xcae9be83, 0xb15f, 0x49cc, \ + 0x86, 0x3f, 0x08, 0x1b, 0x74, 0x4a, 0x2d, 0x93) + +#define GUID_PARTITION_LINUX_FS_GUID \ + GUID_INIT( 0x0fc63daf, 0x8483, 0x4772, \ + 0x8e, 0x79, 0x3d, 0x69, 0xd8, 0x47, 0x7d, 0xe4) + #define GPT_HEADER_SIZE 92 #define GPT_ENTRY_SIZE 128 #define GPT_ENTRY_MAX 128 #define GPT_ENTRY_NAME_SIZE 72 +#define GPT_ATTR_PLAT_REQUIRED BIT(0) +#define GPT_ATTR_EFI_IGNORE BIT(1) +#define GPT_ATTR_LEGACY_BOOT BIT(2) + #define GPT_HEADER_SECTOR 1 #define GPT_FIRST_ENTRY_SECTOR 2 @@ -109,6 +123,9 @@ struct partinfo { unsigned long start; unsigned long size; int type; + char *name; + short int required; + guid_t guid; }; /* GPT Partition table header */ @@ -294,7 +311,7 @@ static int gen_ptable(uint32_t signature, int nr) if (parts[i].start != 0) { if (parts[i].start * 2 < start) { fprintf(stderr, "Invalid start %ld for partition %d!\n", - parts[i].start, i); + parts[i].start, i, start); return ret; } start = parts[i].start * 2; @@ -381,7 +398,7 @@ static int gen_gptable(uint32_t signature, guid_t guid, unsigned nr) if (parts[i].start != 0) { if (parts[i].start * 2 < start) { fprintf(stderr, "Invalid start %ld for partition %d!\n", - parts[i].start, i); + parts[i].start, i, start); return ret; } start = parts[i].start * 2; @@ -396,12 +413,16 @@ static int gen_gptable(uint32_t signature, guid_t guid, unsigned nr) gpte[i].end = cpu_to_le64(sect -1); gpte[i].guid = guid; gpte[i].guid.b[sizeof(guid_t) -1] += i + 1; - if (parts[i].type == 0xEF || (i + 1) == (unsigned)active) { - gpte[i].type = GUID_PARTITION_SYSTEM; - init_utf16("EFI System Partition", (uint16_t *)gpte[i].name, GPT_ENTRY_NAME_SIZE / sizeof(uint16_t)); - } else { - gpte[i].type = GUID_PARTITION_BASIC_DATA; - } + gpte[i].type = parts[i].guid; + + if (parts[i].name) + init_utf16(parts[i].name, (uint16_t *)gpte[i].name, GPT_ENTRY_NAME_SIZE / sizeof(uint16_t)); + + if ((i + 1) == (unsigned)active) + gpte[i].attr |= GPT_ATTR_LEGACY_BOOT; + + if (parts[i].required) + gpte[i].attr |= GPT_ATTR_PLAT_REQUIRED; if (verbose) fprintf(stderr, "Partition %d: start=%" PRIu64 ", end=%" PRIu64 ", size=%" PRIu64 "\n", @@ -498,21 +519,44 @@ fail: static void usage(char *prog) { - fprintf(stderr, "Usage: %s [-v] [-n] [-g] -h <heads> -s <sectors> -o <outputfile> [-a 0..4] [-l <align kB>] [-G <guid>] [[-t <type>] -p <size>[@<start>]...] \n", prog); + fprintf(stderr, "Usage: %s [-v] [-n] [-g] -h <heads> -s <sectors> -o <outputfile> [-a 0..4] [-l <align kB>] [-G <guid>] [[-t <type>] [-r] [-N <name>] -p <size>[@<start>]...] \n", prog); exit(EXIT_FAILURE); } +static guid_t type_to_guid_and_name(unsigned char type, char **name) +{ + guid_t guid = GUID_PARTITION_BASIC_DATA; + + switch (type) { + case 0xef: + *name = "EFI System Partition"; + guid = GUID_PARTITION_SYSTEM; + break; + case 0x83: + guid = GUID_PARTITION_LINUX_FS_GUID; + break; + case 0x2e: + guid = GUID_PARTITION_LINUX_FIT_GUID; + break; + } + + return guid; +} + int main (int argc, char **argv) { unsigned char type = 0x83; char *p; int ch; int part = 0; + char *name = NULL; + unsigned short int required = 0; uint32_t signature = 0x5452574F; /* 'OWRT' */ guid_t guid = GUID_INIT( signature, 0x2211, 0x4433, \ 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0x00); + guid_t part_guid = GUID_PARTITION_BASIC_DATA; - while ((ch = getopt(argc, argv, "h:s:p:a:t:o:vngl:S:G:")) != -1) { + while ((ch = getopt(argc, argv, "h:s:p:a:t:o:vnN:gl:rS:G:")) != -1) { switch (ch) { case 'o': filename = optarg; @@ -543,11 +587,28 @@ int main (int argc, char **argv) parts[part].start = to_kbytes(p); } parts[part].size = to_kbytes(optarg); + parts[part].required = required; + parts[part].name = name; + parts[part].guid = part_guid; fprintf(stderr, "part %ld %ld\n", parts[part].start, parts[part].size); parts[part++].type = type; + /* + * reset 'name' and 'required' + * 'type' is deliberately inherited from the previous delcaration + */ + name = NULL; + required = 0; + part_guid = type_to_guid_and_name(type, &name); + break; + case 'N': + name = optarg; + break; + case 'r': + required = 1; break; case 't': type = (char)strtoul(optarg, NULL, 16); + part_guid = type_to_guid_and_name(type, &name); break; case 'a': active = (int)strtoul(optarg, NULL, 0); |