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bootinfo: Add BROM header decoding

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This commit is contained in:
Henrik Nordstrom 2012-08-06 10:09:23 +02:00
parent c818efd144
commit efc7efbf7a
1 changed files with 23 additions and 0 deletions
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23
bootinfo.c
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@ -47,6 +47,16 @@ typedef struct boot_file_head
u8 platform[8]; // platform information
} boot_file_head_t;
typedef struct brom_file_head
{
u32 jump_instruction; // one intruction jumping to real code
u8 magic[8]; // ="eGON.BRM", not C-style string.
u32 length; // generated by PC
u8 Boot_vsn[4]; // Boot version
u8 eGON_vsn[4]; // eGON version
u8 platform[8]; // platform information
} brom_file_head_t;
typedef struct _boot_dram_para_t {
__u32 dram_baseaddr;
__u32 dram_clk;
@ -137,6 +147,7 @@ typedef struct _boot_sdcard_info_t {
__s32 line_count[4];
} boot_sdcard_info_t;
#define BROM_MAGIC "eGON.BRM"
#define BOOT0_MAGIC "eGON.BT0"
#define BOOT1_MAGIC "eGON.BT1"
@ -145,6 +156,15 @@ void fail(char *msg) {
exit(1);
}
void print_brom_file_head(brom_file_head_t *hdr)
{
printf("Magic : %.8s\n", hdr->magic);
printf("Length : %u\n", hdr->length);
printf("BOOT ver : %.4s\n", hdr->Boot_vsn);
printf("eGON ver : %.4s\n", hdr->eGON_vsn);
printf("Chip? : %.8s\n", hdr->platform);
}
void print_boot_file_head(boot_file_head_t *hdr)
{
printf("Magic : %.8s\n", hdr->magic);
@ -283,6 +303,7 @@ int main(int argc, char * argv[])
boot_file_head_t boot;
boot0_file_head_t boot0;
boot1_file_head_t boot1;
brom_file_head_t brom;
} hdr;
int len;
@ -293,6 +314,8 @@ int main(int argc, char * argv[])
print_boot0_file_head(&hdr.boot0);
} else if (strncmp((char *)hdr.boot.magic, BOOT1_MAGIC, strlen(BOOT1_MAGIC)) == 0) {
print_boot1_file_head(&hdr.boot1);
} else if (strncmp((char *)hdr.boot.magic, BROM_MAGIC, strlen(BROM_MAGIC)) == 0) {
print_brom_file_head(&hdr.brom);
} else {
fail("Invalid magic\n");
}