Commit fae2bf22a2b1aee85734fc2643ac6ede88cbbd01
Committed by
Tom Rini
1 parent
36f2e8e0d1
Exists in
master
and in
54 other branches
gpt: The leXX_to_int() calls replaced with ones defined at <compiler.h>
Custom definitions of le_XX_to_int functions have been replaced with standard ones, defined at <compiler.h> Replacement of several GPT related structures members with ones indicating its endianness and proper size. Signed-off-by: Chang Hyun Park <heartinpiece@outlook.com> Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Showing 2 changed files with 88 additions and 114 deletions Side-by-side Diff
disk/part_efi.c
... | ... | @@ -34,7 +34,7 @@ |
34 | 34 | #include <command.h> |
35 | 35 | #include <ide.h> |
36 | 36 | #include <malloc.h> |
37 | -#include "part_efi.h" | |
37 | +#include <part_efi.h> | |
38 | 38 | #include <linux/ctype.h> |
39 | 39 | |
40 | 40 | #if defined(CONFIG_CMD_IDE) || \ |
... | ... | @@ -44,34 +44,6 @@ |
44 | 44 | defined(CONFIG_MMC) || \ |
45 | 45 | defined(CONFIG_SYSTEMACE) |
46 | 46 | |
47 | -/* Convert char[2] in little endian format to the host format integer | |
48 | - */ | |
49 | -static inline unsigned short le16_to_int(unsigned char *le16) | |
50 | -{ | |
51 | - return ((le16[1] << 8) + le16[0]); | |
52 | -} | |
53 | - | |
54 | -/* Convert char[4] in little endian format to the host format integer | |
55 | - */ | |
56 | -static inline unsigned long le32_to_int(unsigned char *le32) | |
57 | -{ | |
58 | - return ((le32[3] << 24) + (le32[2] << 16) + (le32[1] << 8) + le32[0]); | |
59 | -} | |
60 | - | |
61 | -/* Convert char[8] in little endian format to the host format integer | |
62 | - */ | |
63 | -static inline unsigned long long le64_to_int(unsigned char *le64) | |
64 | -{ | |
65 | - return (((unsigned long long)le64[7] << 56) + | |
66 | - ((unsigned long long)le64[6] << 48) + | |
67 | - ((unsigned long long)le64[5] << 40) + | |
68 | - ((unsigned long long)le64[4] << 32) + | |
69 | - ((unsigned long long)le64[3] << 24) + | |
70 | - ((unsigned long long)le64[2] << 16) + | |
71 | - ((unsigned long long)le64[1] << 8) + | |
72 | - (unsigned long long)le64[0]); | |
73 | -} | |
74 | - | |
75 | 47 | /** |
76 | 48 | * efi_crc32() - EFI version of crc32 function |
77 | 49 | * @buf: buffer to calculate crc32 of |
... | ... | @@ -79,7 +51,7 @@ |
79 | 51 | * |
80 | 52 | * Description: Returns EFI-style CRC32 value for @buf |
81 | 53 | */ |
82 | -static inline unsigned long efi_crc32(const void *buf, unsigned long len) | |
54 | +static inline u32 efi_crc32(const void *buf, u32 len) | |
83 | 55 | { |
84 | 56 | return crc32(0, buf, len); |
85 | 57 | } |
86 | 58 | |
... | ... | @@ -171,14 +143,14 @@ |
171 | 143 | printf("\tType UUID\n"); |
172 | 144 | printf("\tPartition UUID\n"); |
173 | 145 | |
174 | - for (i = 0; i < le32_to_int(gpt_head->num_partition_entries); i++) { | |
146 | + for (i = 0; i < le32_to_cpu(gpt_head->num_partition_entries); i++) { | |
175 | 147 | /* Stop at the first non valid PTE */ |
176 | 148 | if (!is_pte_valid(&gpt_pte[i])) |
177 | 149 | break; |
178 | 150 | |
179 | 151 | printf("%3d\t0x%08llx\t0x%08llx\t\"%s\"\n", (i + 1), |
180 | - le64_to_int(gpt_pte[i].starting_lba), | |
181 | - le64_to_int(gpt_pte[i].ending_lba), | |
152 | + le64_to_cpu(gpt_pte[i].starting_lba), | |
153 | + le64_to_cpu(gpt_pte[i].ending_lba), | |
182 | 154 | print_efiname(&gpt_pte[i])); |
183 | 155 | printf("\tattrs:\t0x%016llx\n", gpt_pte[i].attributes.raw); |
184 | 156 | uuid_string(gpt_pte[i].partition_type_guid.b, uuid); |
... | ... | @@ -211,7 +183,7 @@ |
211 | 183 | return -1; |
212 | 184 | } |
213 | 185 | |
214 | - if (part > le32_to_int(gpt_head->num_partition_entries) || | |
186 | + if (part > le32_to_cpu(gpt_head->num_partition_entries) || | |
215 | 187 | !is_pte_valid(&gpt_pte[part - 1])) { |
216 | 188 | printf("%s: *** ERROR: Invalid partition number %d ***\n", |
217 | 189 | __func__, part); |
218 | 190 | |
... | ... | @@ -219,9 +191,9 @@ |
219 | 191 | } |
220 | 192 | |
221 | 193 | /* The ulong casting limits the maximum disk size to 2 TB */ |
222 | - info->start = (ulong) le64_to_int(gpt_pte[part - 1].starting_lba); | |
194 | + info->start = (u64)le64_to_cpu(gpt_pte[part - 1].starting_lba); | |
223 | 195 | /* The ending LBA is inclusive, to calculate size, add 1 to it */ |
224 | - info->size = ((ulong)le64_to_int(gpt_pte[part - 1].ending_lba) + 1) | |
196 | + info->size = ((u64)le64_to_cpu(gpt_pte[part - 1].ending_lba) + 1) | |
225 | 197 | - info->start; |
226 | 198 | info->blksz = GPT_BLOCK_SIZE; |
227 | 199 | |
... | ... | @@ -264,7 +236,7 @@ |
264 | 236 | static int pmbr_part_valid(struct partition *part) |
265 | 237 | { |
266 | 238 | if (part->sys_ind == EFI_PMBR_OSTYPE_EFI_GPT && |
267 | - le32_to_int(part->start_sect) == 1UL) { | |
239 | + le32_to_cpu(part->start_sect) == 1UL) { | |
268 | 240 | return 1; |
269 | 241 | } |
270 | 242 | |
271 | 243 | |
... | ... | @@ -283,9 +255,8 @@ |
283 | 255 | { |
284 | 256 | int i = 0; |
285 | 257 | |
286 | - if (!mbr || le16_to_int(mbr->signature) != MSDOS_MBR_SIGNATURE) { | |
258 | + if (!mbr || le16_to_cpu(mbr->signature) != MSDOS_MBR_SIGNATURE) | |
287 | 259 | return 0; |
288 | - } | |
289 | 260 | |
290 | 261 | for (i = 0; i < 4; i++) { |
291 | 262 | if (pmbr_part_valid(&mbr->partition_record[i])) { |
... | ... | @@ -308,8 +279,8 @@ |
308 | 279 | static int is_gpt_valid(block_dev_desc_t * dev_desc, unsigned long long lba, |
309 | 280 | gpt_header * pgpt_head, gpt_entry ** pgpt_pte) |
310 | 281 | { |
311 | - unsigned char crc32_backup[4] = { 0 }; | |
312 | - unsigned long calc_crc32; | |
282 | + u32 crc32_backup = 0; | |
283 | + u32 calc_crc32; | |
313 | 284 | unsigned long long lastlba; |
314 | 285 | |
315 | 286 | if (!dev_desc || !pgpt_head) { |
316 | 287 | |
317 | 288 | |
318 | 289 | |
319 | 290 | |
320 | 291 | |
321 | 292 | |
322 | 293 | |
323 | 294 | |
324 | 295 | |
325 | 296 | |
326 | 297 | |
327 | 298 | |
328 | 299 | |
... | ... | @@ -324,54 +295,54 @@ |
324 | 295 | } |
325 | 296 | |
326 | 297 | /* Check the GPT header signature */ |
327 | - if (le64_to_int(pgpt_head->signature) != GPT_HEADER_SIGNATURE) { | |
298 | + if (le64_to_cpu(pgpt_head->signature) != GPT_HEADER_SIGNATURE) { | |
328 | 299 | printf("GUID Partition Table Header signature is wrong:" |
329 | 300 | "0x%llX != 0x%llX\n", |
330 | - (unsigned long long)le64_to_int(pgpt_head->signature), | |
331 | - (unsigned long long)GPT_HEADER_SIGNATURE); | |
301 | + le64_to_cpu(pgpt_head->signature), | |
302 | + GPT_HEADER_SIGNATURE); | |
332 | 303 | return 0; |
333 | 304 | } |
334 | 305 | |
335 | 306 | /* Check the GUID Partition Table CRC */ |
336 | - memcpy(crc32_backup, pgpt_head->header_crc32, sizeof(crc32_backup)); | |
337 | - memset(pgpt_head->header_crc32, 0, sizeof(pgpt_head->header_crc32)); | |
307 | + memcpy(&crc32_backup, &pgpt_head->header_crc32, sizeof(crc32_backup)); | |
308 | + memset(&pgpt_head->header_crc32, 0, sizeof(pgpt_head->header_crc32)); | |
338 | 309 | |
339 | 310 | calc_crc32 = efi_crc32((const unsigned char *)pgpt_head, |
340 | - le32_to_int(pgpt_head->header_size)); | |
311 | + le32_to_cpu(pgpt_head->header_size)); | |
341 | 312 | |
342 | - memcpy(pgpt_head->header_crc32, crc32_backup, sizeof(crc32_backup)); | |
313 | + memcpy(&pgpt_head->header_crc32, &crc32_backup, sizeof(crc32_backup)); | |
343 | 314 | |
344 | - if (calc_crc32 != le32_to_int(crc32_backup)) { | |
315 | + if (calc_crc32 != le32_to_cpu(crc32_backup)) { | |
345 | 316 | printf("GUID Partition Table Header CRC is wrong:" |
346 | - "0x%08lX != 0x%08lX\n", | |
347 | - le32_to_int(crc32_backup), calc_crc32); | |
317 | + "0x%x != 0x%x\n", | |
318 | + le32_to_cpu(crc32_backup), calc_crc32); | |
348 | 319 | return 0; |
349 | 320 | } |
350 | 321 | |
351 | 322 | /* Check that the my_lba entry points to the LBA that contains the GPT */ |
352 | - if (le64_to_int(pgpt_head->my_lba) != lba) { | |
323 | + if (le64_to_cpu(pgpt_head->my_lba) != lba) { | |
353 | 324 | printf("GPT: my_lba incorrect: %llX != %llX\n", |
354 | - (unsigned long long)le64_to_int(pgpt_head->my_lba), | |
355 | - (unsigned long long)lba); | |
325 | + le64_to_cpu(pgpt_head->my_lba), | |
326 | + lba); | |
356 | 327 | return 0; |
357 | 328 | } |
358 | 329 | |
359 | 330 | /* Check the first_usable_lba and last_usable_lba are within the disk. */ |
360 | 331 | lastlba = (unsigned long long)dev_desc->lba; |
361 | - if (le64_to_int(pgpt_head->first_usable_lba) > lastlba) { | |
332 | + if (le64_to_cpu(pgpt_head->first_usable_lba) > lastlba) { | |
362 | 333 | printf("GPT: first_usable_lba incorrect: %llX > %llX\n", |
363 | - le64_to_int(pgpt_head->first_usable_lba), lastlba); | |
334 | + le64_to_cpu(pgpt_head->first_usable_lba), lastlba); | |
364 | 335 | return 0; |
365 | 336 | } |
366 | - if (le64_to_int(pgpt_head->last_usable_lba) > lastlba) { | |
337 | + if (le64_to_cpu(pgpt_head->last_usable_lba) > lastlba) { | |
367 | 338 | printf("GPT: last_usable_lba incorrect: %llX > %llX\n", |
368 | - le64_to_int(pgpt_head->last_usable_lba), lastlba); | |
339 | + (u64) le64_to_cpu(pgpt_head->last_usable_lba), lastlba); | |
369 | 340 | return 0; |
370 | 341 | } |
371 | 342 | |
372 | 343 | debug("GPT: first_usable_lba: %llX last_usable_lba %llX last lba %llX\n", |
373 | - le64_to_int(pgpt_head->first_usable_lba), | |
374 | - le64_to_int(pgpt_head->last_usable_lba), lastlba); | |
344 | + le64_to_cpu(pgpt_head->first_usable_lba), | |
345 | + le64_to_cpu(pgpt_head->last_usable_lba), lastlba); | |
375 | 346 | |
376 | 347 | /* Read and allocate Partition Table Entries */ |
377 | 348 | *pgpt_pte = alloc_read_gpt_entries(dev_desc, pgpt_head); |
378 | 349 | |
379 | 350 | |
... | ... | @@ -382,13 +353,13 @@ |
382 | 353 | |
383 | 354 | /* Check the GUID Partition Table Entry Array CRC */ |
384 | 355 | calc_crc32 = efi_crc32((const unsigned char *)*pgpt_pte, |
385 | - le32_to_int(pgpt_head->num_partition_entries) * | |
386 | - le32_to_int(pgpt_head->sizeof_partition_entry)); | |
356 | + le32_to_cpu(pgpt_head->num_partition_entries) * | |
357 | + le32_to_cpu(pgpt_head->sizeof_partition_entry)); | |
387 | 358 | |
388 | - if (calc_crc32 != le32_to_int(pgpt_head->partition_entry_array_crc32)) { | |
359 | + if (calc_crc32 != le32_to_cpu(pgpt_head->partition_entry_array_crc32)) { | |
389 | 360 | printf("GUID Partition Table Entry Array CRC is wrong:" |
390 | - "0x%08lX != 0x%08lX\n", | |
391 | - le32_to_int(pgpt_head->partition_entry_array_crc32), | |
361 | + "0x%x != 0x%x\n", | |
362 | + le32_to_cpu(pgpt_head->partition_entry_array_crc32), | |
392 | 363 | calc_crc32); |
393 | 364 | |
394 | 365 | free(*pgpt_pte); |
395 | 366 | |
... | ... | @@ -419,12 +390,12 @@ |
419 | 390 | return NULL; |
420 | 391 | } |
421 | 392 | |
422 | - count = le32_to_int(pgpt_head->num_partition_entries) * | |
423 | - le32_to_int(pgpt_head->sizeof_partition_entry); | |
393 | + count = le32_to_cpu(pgpt_head->num_partition_entries) * | |
394 | + le32_to_cpu(pgpt_head->sizeof_partition_entry); | |
424 | 395 | |
425 | - debug("%s: count = %lu * %lu = %zu\n", __func__, | |
426 | - le32_to_int(pgpt_head->num_partition_entries), | |
427 | - le32_to_int(pgpt_head->sizeof_partition_entry), count); | |
396 | + debug("%s: count = %u * %u = %zu\n", __func__, | |
397 | + (u32) le32_to_cpu(pgpt_head->num_partition_entries), | |
398 | + (u32) le32_to_cpu(pgpt_head->sizeof_partition_entry), count); | |
428 | 399 | |
429 | 400 | /* Allocate memory for PTE, remember to FREE */ |
430 | 401 | if (count != 0) { |
... | ... | @@ -440,7 +411,7 @@ |
440 | 411 | |
441 | 412 | /* Read GPT Entries from device */ |
442 | 413 | if (dev_desc->block_read (dev_desc->dev, |
443 | - (unsigned long)le64_to_int(pgpt_head->partition_entry_lba), | |
414 | + le64_to_cpu(pgpt_head->partition_entry_lba), | |
444 | 415 | (lbaint_t) (count / GPT_BLOCK_SIZE), pte) |
445 | 416 | != (count / GPT_BLOCK_SIZE)) { |
446 | 417 |
include/part_efi.h
... | ... | @@ -29,6 +29,8 @@ |
29 | 29 | * http://developer.intel.com/technology/efi/efi.htm |
30 | 30 | */ |
31 | 31 | |
32 | +#include <linux/compiler.h> | |
33 | + | |
32 | 34 | #ifndef _DISK_PART_EFI_H |
33 | 35 | #define _DISK_PART_EFI_H |
34 | 36 | |
... | ... | @@ -41,6 +43,8 @@ |
41 | 43 | #define GPT_HEADER_REVISION_V1 0x00010000 |
42 | 44 | #define GPT_PRIMARY_PARTITION_TABLE_LBA 1ULL |
43 | 45 | #define GPT_ENTRY_NAME "gpt" |
46 | +#define GPT_ENTRY_NUMBERS 128 | |
47 | +#define GPT_ENTRY_SIZE 128 | |
44 | 48 | |
45 | 49 | #define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \ |
46 | 50 | ((efi_guid_t) \ |
47 | 51 | |
48 | 52 | |
49 | 53 | |
50 | 54 | |
51 | 55 | |
52 | 56 | |
53 | 57 | |
54 | 58 | |
55 | 59 | |
56 | 60 | |
... | ... | @@ -72,74 +76,73 @@ |
72 | 76 | 0xa2, 0x3c, 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28) |
73 | 77 | |
74 | 78 | /* linux/include/efi.h */ |
75 | -typedef unsigned short efi_char16_t; | |
79 | +typedef u16 efi_char16_t; | |
76 | 80 | |
77 | 81 | typedef struct { |
78 | - unsigned char b[16]; | |
82 | + u8 b[16]; | |
79 | 83 | } efi_guid_t; |
80 | 84 | |
81 | 85 | /* based on linux/include/genhd.h */ |
82 | 86 | struct partition { |
83 | - unsigned char boot_ind; /* 0x80 - active */ | |
84 | - unsigned char head; /* starting head */ | |
85 | - unsigned char sector; /* starting sector */ | |
86 | - unsigned char cyl; /* starting cylinder */ | |
87 | - unsigned char sys_ind; /* What partition type */ | |
88 | - unsigned char end_head; /* end head */ | |
89 | - unsigned char end_sector; /* end sector */ | |
90 | - unsigned char end_cyl; /* end cylinder */ | |
91 | - unsigned char start_sect[4]; /* starting sector counting from 0 */ | |
92 | - unsigned char nr_sects[4]; /* nr of sectors in partition */ | |
93 | -} __attribute__ ((packed)); | |
87 | + u8 boot_ind; /* 0x80 - active */ | |
88 | + u8 head; /* starting head */ | |
89 | + u8 sector; /* starting sector */ | |
90 | + u8 cyl; /* starting cylinder */ | |
91 | + u8 sys_ind; /* What partition type */ | |
92 | + u8 end_head; /* end head */ | |
93 | + u8 end_sector; /* end sector */ | |
94 | + u8 end_cyl; /* end cylinder */ | |
95 | + __le32 start_sect; /* starting sector counting from 0 */ | |
96 | + __le32 nr_sects; /* nr of sectors in partition */ | |
97 | +} __packed; | |
94 | 98 | |
95 | 99 | /* based on linux/fs/partitions/efi.h */ |
96 | 100 | typedef struct _gpt_header { |
97 | - unsigned char signature[8]; | |
98 | - unsigned char revision[4]; | |
99 | - unsigned char header_size[4]; | |
100 | - unsigned char header_crc32[4]; | |
101 | - unsigned char reserved1[4]; | |
102 | - unsigned char my_lba[8]; | |
103 | - unsigned char alternate_lba[8]; | |
104 | - unsigned char first_usable_lba[8]; | |
105 | - unsigned char last_usable_lba[8]; | |
101 | + __le64 signature; | |
102 | + __le32 revision; | |
103 | + __le32 header_size; | |
104 | + __le32 header_crc32; | |
105 | + __le32 reserved1; | |
106 | + __le64 my_lba; | |
107 | + __le64 alternate_lba; | |
108 | + __le64 first_usable_lba; | |
109 | + __le64 last_usable_lba; | |
106 | 110 | efi_guid_t disk_guid; |
107 | - unsigned char partition_entry_lba[8]; | |
108 | - unsigned char num_partition_entries[4]; | |
109 | - unsigned char sizeof_partition_entry[4]; | |
110 | - unsigned char partition_entry_array_crc32[4]; | |
111 | - unsigned char reserved2[GPT_BLOCK_SIZE - 92]; | |
112 | -} __attribute__ ((packed)) gpt_header; | |
111 | + __le64 partition_entry_lba; | |
112 | + __le32 num_partition_entries; | |
113 | + __le32 sizeof_partition_entry; | |
114 | + __le32 partition_entry_array_crc32; | |
115 | + u8 reserved2[GPT_BLOCK_SIZE - 92]; | |
116 | +} __packed gpt_header; | |
113 | 117 | |
114 | 118 | typedef union _gpt_entry_attributes { |
115 | 119 | struct { |
116 | - unsigned long long required_to_function:1; | |
117 | - unsigned long long no_block_io_protocol:1; | |
118 | - unsigned long long legacy_bios_bootable:1; | |
119 | - unsigned long long reserved:45; | |
120 | - unsigned long long type_guid_specific:16; | |
120 | + u64 required_to_function:1; | |
121 | + u64 no_block_io_protocol:1; | |
122 | + u64 legacy_bios_bootable:1; | |
123 | + u64 reserved:45; | |
124 | + u64 type_guid_specific:16; | |
121 | 125 | } fields; |
122 | 126 | unsigned long long raw; |
123 | -} __attribute__ ((packed)) gpt_entry_attributes; | |
127 | +} __packed gpt_entry_attributes; | |
124 | 128 | |
125 | 129 | #define PARTNAME_SZ (72 / sizeof(efi_char16_t)) |
126 | 130 | typedef struct _gpt_entry { |
127 | 131 | efi_guid_t partition_type_guid; |
128 | 132 | efi_guid_t unique_partition_guid; |
129 | - unsigned char starting_lba[8]; | |
130 | - unsigned char ending_lba[8]; | |
133 | + __le64 starting_lba; | |
134 | + __le64 ending_lba; | |
131 | 135 | gpt_entry_attributes attributes; |
132 | 136 | efi_char16_t partition_name[PARTNAME_SZ]; |
133 | -} | |
134 | -__attribute__ ((packed)) gpt_entry; | |
137 | +} __packed gpt_entry; | |
135 | 138 | |
136 | 139 | typedef struct _legacy_mbr { |
137 | - unsigned char boot_code[440]; | |
138 | - unsigned char unique_mbr_signature[4]; | |
139 | - unsigned char unknown[2]; | |
140 | + u8 boot_code[440]; | |
141 | + __le32 unique_mbr_signature; | |
142 | + __le16 unknown; | |
140 | 143 | struct partition partition_record[4]; |
141 | - unsigned char signature[2]; | |
142 | -} __attribute__ ((packed)) legacy_mbr; | |
144 | + __le16 signature; | |
145 | +} __packed legacy_mbr; | |
143 | 146 | |
144 | 147 | #endif /* _DISK_PART_EFI_H */ |