Update the rknano utils.
This is mostly based on reverse engineer of the _RKUpgrade.dll from the SAM3xx upgrader. Change-Id: I37f4503899c7198ce463130b2ff994da9ca7dc4b
This commit is contained in:
Amaury Pouly
parent
0cef275ab7
commit
cbd44f4bc4
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@ -3,9 +3,12 @@
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include "misc.h"
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#define cprintf(col, ...) do {printf("%s", col); printf(__VA_ARGS__); }while(0)
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#define cprintf(col, ...) do {color(col); printf(__VA_ARGS__); }while(0)
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bool g_debug = false;
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typedef uint8_t packed_bcd_uint8_t;
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typedef uint16_t packed_bcd_uint16_t;
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@ -72,7 +75,7 @@ struct rknano_header_t
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char magic[MAGIC_RKNANOFW_SIZE];
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};
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char *prefix = NULL;
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char *g_out_prefix = NULL;
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static void encode_page(uint8_t *inpg, uint8_t *outpg, const int size)
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{
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@ -137,10 +140,10 @@ static uint16_t crc(uint8_t *buf, int size)
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static void save_blob(const struct rknano_blob_t *b, void *buf, uint32_t size,
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char *name, int suffix, bool descramble)
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{
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if(prefix == NULL || b->size == 0 || b->offset + b->size > size)
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if(g_out_prefix == NULL || b->size == 0 || b->offset + b->size > size)
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return;
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char *path = malloc(strlen(prefix) + strlen(name) + 32);
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sprintf(path, "%s%s%d.bin", prefix, name, suffix);
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char *path = malloc(strlen(g_out_prefix) + strlen(name) + 32);
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sprintf(path, "%s%s%d.bin", g_out_prefix, name, suffix);
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FILE *f = fopen(path, "wb");
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uint8_t *ptr = buf + b->offset;
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if(descramble)
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@ -164,16 +167,15 @@ static void print_blob_interval(const struct rknano_blob_t *b)
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cprintf(YELLOW, "%#x -> %#x", b->offset, b->offset + b->size);
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}
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static int do_image(int argc, char **argv, uint8_t *buf, unsigned long size)
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static int do_nanofw_image(uint8_t *buf, unsigned long size)
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{
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(void) argc;
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(void) argv;
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if(size < sizeof(struct rknano_header_t))
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return 1;
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struct rknano_header_t *hdr = (void *)buf;
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if(size < hdr->size)
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return 1;
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if(strncmp(hdr->magic, MAGIC_RKNANOFW, MAGIC_RKNANOFW_SIZE))
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return 1;
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cprintf(BLUE, "Header\n");
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cprintf(GREEN, " Date: ");
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@ -249,18 +251,269 @@ static int do_image(int argc, char **argv, uint8_t *buf, unsigned long size)
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return 0;
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}
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struct rknano_stage_header_t
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{
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uint32_t addr;
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} __attribute__((packed));
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struct rknano_stage_section_t
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{
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uint32_t a;
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uint32_t code_pa;
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uint32_t code_va;
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uint32_t code_sz;
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uint32_t data_pa;
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uint32_t data_va;
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uint32_t data_sz;
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uint32_t bss_end_va;
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} __attribute__((packed));
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static int do_nanostage_image(uint8_t *buf, unsigned long size)
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{
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if(size < sizeof(struct rknano_stage_section_t))
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return 1;
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struct rknano_stage_header_t *hdr = (void *)buf;
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cprintf(BLUE, "Header\n");
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cprintf(GREEN, " Base Address: ");
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cprintf(YELLOW, "%#x\n", hdr->addr);
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struct rknano_stage_section_t *sec = (void *)(hdr + 1);
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void *end = buf + size;
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int i = 0;
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while((void *)sec < end && (sec->code_sz || sec->bss_end_va))
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{
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cprintf(BLUE, "Section %d\n", i);
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cprintf(GREEN, " Something: ");
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cprintf(YELLOW, "%#x\n", sec->a);
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cprintf(GREEN, " Code: ");
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cprintf(YELLOW, "%#x", sec->code_pa);
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cprintf(BLUE, " |--> ");
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cprintf(YELLOW, "%#x", sec->code_va);
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cprintf(RED, "-(code)-");
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cprintf(YELLOW, "%#x\n", sec->code_va + sec->code_sz);
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cprintf(GREEN, " Data: ");
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cprintf(YELLOW, "%#x", sec->data_pa);
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cprintf(BLUE, " |--> ");
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cprintf(YELLOW, "%#x", sec->data_va);
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cprintf(RED, "-(data)-");
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cprintf(YELLOW, "%#x", sec->data_va + sec->data_sz);
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cprintf(RED, "-(bss)-");
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cprintf(YELLOW, "%#x\n", sec->bss_end_va);
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sec++;
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i++;
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}
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return 0;
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}
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#define MAGIC_BOOT "BOOT"
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#define MAGIC_BOOT_SIZE 4
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struct rknano_boot_header_t
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{
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char magic[MAGIC_BOOT_SIZE];
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uint16_t field_4;
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uint32_t field_6;
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uint32_t field_A;
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uint16_t field_E;
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uint8_t field_10[5];
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uint32_t field_15;
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uint8_t field_19;
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uint32_t field_1A;
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uint8_t field_1E[2];
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uint32_t field_20;
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uint8_t field_24[2];
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uint32_t field_26;
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uint8_t field_2A[10];
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uint32_t field_34;
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} __attribute__((packed));
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static int do_boot_image(uint8_t *buf, unsigned long size)
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{
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if(sizeof(struct rknano_boot_header_t) != 0x38)
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printf("aie");
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if(size < sizeof(struct rknano_boot_header_t))
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return 1;
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struct rknano_boot_header_t *hdr = (void *)buf;
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if(strncmp(hdr->magic, MAGIC_BOOT, MAGIC_BOOT_SIZE))
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return 1;
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cprintf(BLUE, "Header\n");
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cprintf(GREEN, " Magic: ");
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cprintf(YELLOW, "%." STR(MAGIC_BOOT_SIZE) "s ", hdr->magic);
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if(strncmp(hdr->magic, MAGIC_BOOT, MAGIC_BOOT_SIZE) == 0)
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cprintf(RED, "OK\n");
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else
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cprintf(RED, "Mismatch\n");
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#define print(str, name) cprintf(GREEN, " "str": ");cprintf(YELLOW, "%#x\n", (unsigned)hdr->name)
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#define print_arr(str, name, sz) \
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cprintf(GREEN, " "str":");for(int i = 0; i < sz; i++)cprintf(YELLOW, " %#x", (unsigned)hdr->name[i]);printf("\n")
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print("field_4", field_4);
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print("field_6", field_6);
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print("field_A", field_A);
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print("field_E", field_E);
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print_arr("field_10", field_10, 5);
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print("field_15", field_15);
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print("field_19", field_19);
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print("field_1A", field_1A);
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print_arr("field_1E", field_1E, 2);
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print("field_20", field_20);
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print_arr("field_24", field_24, 2);
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print("field_26", field_26);
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print_arr("field_2A", field_2A, 10);
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print("field_34", field_34);
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cprintf(GREEN, "Value: ");
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cprintf(YELLOW, "%#x\n", *(unsigned long *)((uint8_t *)hdr + hdr->field_34 - 10));
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return 0;
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}
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typedef struct rknano_blob_t rkfw_blob_t;
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#define MAGIC_RKFW "RKFW"
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#define MAGIC_RKFW_SIZE 4
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struct rkfw_header_t
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{
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char magic[MAGIC_RKFW_SIZE];
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uint16_t hdr_size; // UNSURE
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uint32_t field_6;
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uint32_t field_A;
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uint16_t field_E;
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uint8_t field_10[5];
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uint32_t field_15;
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rkfw_blob_t loader;
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rkfw_blob_t update;
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uint8_t pad[60];
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uint8_t field_65;
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} __attribute__((packed));
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static int do_rkfw_image(uint8_t *buf, unsigned long size)
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{
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if(sizeof(struct rkfw_header_t) != 0x66)
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printf("aie");
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if(size < sizeof(struct rkfw_header_t))
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return 1;
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struct rkfw_header_t *hdr = (void *)buf;
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if(strncmp(hdr->magic, MAGIC_RKFW, MAGIC_RKFW_SIZE))
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return 1;
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cprintf(BLUE, "Header\n");
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cprintf(GREEN, " Magic: ");
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cprintf(YELLOW, "%." STR(MAGIC_RKFW_SIZE) "s ", hdr->magic);
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if(strncmp(hdr->magic, MAGIC_RKFW, MAGIC_RKFW_SIZE) == 0)
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cprintf(RED, "OK\n");
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else
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cprintf(RED, "Mismatch\n");
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cprintf(GREEN, " Loader: ");
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print_blob_interval(&hdr->loader);
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cprintf(OFF, "\n");
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save_blob(&hdr->loader, buf, size, "loader", 0, false);
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cprintf(GREEN, " Update: ");
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print_blob_interval(&hdr->update);
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cprintf(OFF, "\n");
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save_blob(&hdr->update, buf, size, "update", 0, false);
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print("hdr_size", hdr_size);
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print("field_6", field_6);
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print("field_A", field_A);
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print("field_E", field_E);
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print_arr("field_10", field_10, 5);
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print("field_15", field_15);
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print_arr("pad", pad, 60);
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print("field_65", field_65);
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return 0;
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}
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static void usage(void)
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{
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printf("Usage: rkboottool [options] rknanoboot.bin out_prefix\n");
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printf("Usage: rkboottool [options] rknanoboot.bin\n");
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printf("Options:\n");
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printf(" --rkfw\tUnpack a rkfw file\n");
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printf(" --rknanofw\tUnpack a regular RknanoFW file\n");
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printf(" --rkboot\tUnpack a BOOT file\n");
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printf(" --rknanostage\tUnpack a RknanoFW stage file\n");
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printf(" -o <prefix>\tSet output prefix\n");
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printf("The default is to try to guess the format.\n");
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printf("If several formats are specified, all are tried.\n");
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exit(1);
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}
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int main(int argc, char **argv)
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{
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if(argc < 3)
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bool try_nanofw = false;
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bool try_rkfw = false;
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bool try_boot = false;
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bool try_nanostage = false;
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while(1)
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{
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static struct option long_options[] =
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{
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{"help", no_argument, 0, '?'},
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{"debug", no_argument, 0, 'd'},
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{"rkfw", no_argument, 0, '9'},
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{"rknanofw", no_argument, 0, 'n'},
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{"rknanostage", no_argument, 0, 's'},
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{"rkboot", no_argument, 0, 'b'},
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{"no-color", no_argument, 0, 'c'},
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{0, 0, 0, 0}
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};
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int c = getopt_long(argc, argv, "?d9nscbo:", long_options, NULL);
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if(c == -1)
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break;
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switch(c)
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{
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case -1:
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break;
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case 'c':
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enable_color(false);
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break;
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case 'b':
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try_boot = true;
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break;
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case 'n':
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try_nanofw = true;
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break;
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case 'd':
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g_debug = true;
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break;
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case '?':
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usage();
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break;
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case 'o':
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g_out_prefix = optarg;
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break;
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case '9':
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try_rkfw = true;
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break;
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case 's':
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try_nanostage = true;
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break;
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default:
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abort();
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}
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}
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if(argc - optind != 1)
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{
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usage();
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prefix = argv[argc - 1];
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FILE *fin = fopen(argv[argc - 2], "r");
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return 1;
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}
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if(!try_nanostage && !try_rkfw && !try_nanofw && !try_boot)
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try_nanostage = try_rkfw = try_nanofw = try_boot = true;
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FILE *fin = fopen(argv[optind], "r");
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if(fin == NULL)
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{
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perror("Cannot open boot file");
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@ -284,7 +537,19 @@ int main(int argc, char **argv)
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}
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fclose(fin);
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return do_image(argc - 1, argv, buf, size);
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if(try_nanofw && !do_nanofw_image(buf, size))
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goto Lsuccess;
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if(try_rkfw && !do_rkfw_image(buf, size))
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goto Lsuccess;
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if(try_boot && !do_boot_image(buf, size))
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goto Lsuccess;
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if(try_nanostage && !do_nanostage_image(buf, size))
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goto Lsuccess;
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cprintf(GREY, "No valid format found!\n");
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Lsuccess:
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free(buf);
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return 0;
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}
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