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proxmark3/client/src/flash.c
Philippe Teuwen c00e4801b7 make style
2026-02-06 13:43:41 +01:00

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//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
// ELF file flasher
//-----------------------------------------------------------------------------
#include "flash.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include "ui.h"
#include "elf.h"
#include "proxendian.h"
#include "at91sam7s512.h"
#include "util_posix.h"
#include "comms.h"
#include "commonutil.h"
#include "fileutils.h"
#define FLASH_START 0x100000
#define BOOTLOADER_SIZE 0x2000
#define BOOTLOADER_END (FLASH_START + BOOTLOADER_SIZE)
#define BLOCK_SIZE 0x200
#define FLASHER_VERSION BL_VERSION_1_0_0
static const uint8_t elf_ident[] = {
0x7f, 'E', 'L', 'F',
ELFCLASS32,
ELFDATA2LSB,
EV_CURRENT
};
static int chipid_to_mem_avail(uint32_t iChipID) {
int mem_avail = 0;
switch ((iChipID & 0xF00) >> 8) {
case 0:
mem_avail = 0;
break;
case 1:
mem_avail = 8;
break;
case 2:
mem_avail = 16;
break;
case 3:
mem_avail = 32;
break;
case 5:
mem_avail = 64;
break;
case 7:
mem_avail = 128;
break;
case 9:
mem_avail = 256;
break;
case 10:
mem_avail = 512;
break;
case 12:
mem_avail = 1024;
break;
case 14:
mem_avail = 2048;
}
return mem_avail;
}
// Turn PHDRs into flasher segments, checking for PHDR sanity and merging adjacent
// unaligned segments if needed
static int build_segs_from_phdrs(flash_file_t *ctx, uint32_t flash_size) {
uint32_t flash_end = FLASH_START + flash_size;
Elf32_Phdr_t *phdr = ctx->phdrs;
flash_seg_t *seg;
uint32_t last_end = 0;
ctx->segments = calloc(sizeof(flash_seg_t) * ctx->num_phdrs, sizeof(uint8_t));
if (!ctx->segments) {
PrintAndLogEx(ERR, "Out of memory");
return PM3_EMALLOC;
}
ctx->num_segs = 0;
seg = ctx->segments;
PrintAndLogEx(SUCCESS, "Loading usable ELF segments:");
for (int i = 0; i < ctx->num_phdrs; i++) {
if (le32(phdr->p_type) != PT_LOAD) {
phdr++;
continue;
}
uint32_t vaddr = le32(phdr->p_vaddr);
uint32_t paddr = le32(phdr->p_paddr);
uint32_t filesz = le32(phdr->p_filesz);
uint32_t memsz = le32(phdr->p_memsz);
uint32_t offset = le32(phdr->p_offset);
uint32_t flags = le32(phdr->p_flags);
if (!filesz) {
phdr++;
continue;
}
PrintAndLogEx(SUCCESS, " "_YELLOW_("%d")": V 0x%08x P 0x%08x (0x%08x->0x%08x) [%c%c%c] @0x%x",
i, vaddr, paddr, filesz, memsz,
(flags & PF_R) ? 'R' : ' ',
(flags & PF_W) ? 'W' : ' ',
(flags & PF_X) ? 'X' : ' ',
offset);
if (filesz != memsz) {
PrintAndLogEx(ERR, "Error: PHDR file size does not equal memory size\n"
"(DATA+BSS PHDRs do not make sense on ROM platforms!)");
return PM3_EFILE;
}
if (paddr < last_end) {
PrintAndLogEx(ERR, "Error: PHDRs not sorted or overlap");
return PM3_EFILE;
}
if (paddr < FLASH_START || (paddr + filesz) > flash_end) {
PrintAndLogEx(ERR, "Error: PHDR is not contained in Flash");
if ((paddr + filesz) > flash_end) {
PrintAndLogEx(ERR, "Firmware is probably too big for your device");
PrintAndLogEx(ERR, "See README.md for information on compiling for platforms with 256KB of flash memory");
}
return PM3_EFILE;
}
if (vaddr >= FLASH_START && vaddr < flash_end && (flags & PF_W)) {
PrintAndLogEx(ERR, "Error: Flash VMA segment is writable");
return PM3_EFILE;
}
uint8_t *data;
// make extra space if we need to move the data forward
data = calloc(filesz + BLOCK_SIZE, sizeof(uint8_t));
if (!data) {
PrintAndLogEx(ERR, "Error: Out of memory");
return PM3_EMALLOC;
}
memcpy(data, ctx->elf + offset, filesz);
uint32_t block_offset = paddr & (BLOCK_SIZE - 1);
if (block_offset) {
if (ctx->num_segs) {
flash_seg_t *prev_seg = seg - 1;
uint32_t this_end = paddr + filesz;
uint32_t this_firstblock = paddr & ~(BLOCK_SIZE - 1);
uint32_t prev_lastblock = (last_end - 1) & ~(BLOCK_SIZE - 1);
if (this_firstblock == prev_lastblock) {
uint32_t new_length = this_end - prev_seg->start;
uint32_t this_offset = paddr - prev_seg->start;
uint32_t hole = this_offset - prev_seg->length;
uint8_t *new_data = calloc(new_length, sizeof(uint8_t));
if (!new_data) {
PrintAndLogEx(ERR, "Error: Out of memory");
free(data);
return PM3_EMALLOC;
}
memset(new_data, 0xff, new_length);
memcpy(new_data, prev_seg->data, prev_seg->length);
memcpy(new_data + this_offset, data, filesz);
PrintAndLogEx(INFO, "Note: Extending previous segment from 0x%x to 0x%x bytes",
prev_seg->length, new_length);
if (hole)
PrintAndLogEx(INFO, "Note: 0x%x-byte hole created", hole);
free(data);
free(prev_seg->data);
prev_seg->data = new_data;
prev_seg->length = new_length;
last_end = this_end;
phdr++;
continue;
}
}
PrintAndLogEx(WARNING, "Warning: segment does not begin on a block boundary, will pad");
memmove(data + block_offset, data, filesz);
memset(data, 0xFF, block_offset);
filesz += block_offset;
paddr -= block_offset;
}
seg->data = data;
seg->start = paddr;
seg->length = filesz;
seg++;
ctx->num_segs++;
last_end = paddr + filesz;
phdr++;
}
return PM3_SUCCESS;
}
// Sanity check segments and check for bootloader writes
static int check_segs(flash_file_t *ctx, int can_write_bl, uint32_t flash_size) {
uint32_t flash_end = FLASH_START + flash_size;
for (int i = 0; i < ctx->num_segs; i++) {
flash_seg_t *seg = &ctx->segments[i];
if (seg->start & (BLOCK_SIZE - 1)) {
PrintAndLogEx(ERR, "Error: Segment is not aligned");
return PM3_EFILE;
}
if (seg->start < FLASH_START) {
PrintAndLogEx(ERR, "Error: Segment is outside of flash bounds");
return PM3_EFILE;
}
if (seg->start + seg->length > flash_end) {
PrintAndLogEx(ERR, "Error: Segment is outside of flash bounds");
return PM3_EFILE;
}
if (!can_write_bl && seg->start < BOOTLOADER_END) {
PrintAndLogEx(ERR, "Attempted to write bootloader but bootloader writes are not enabled");
return PM3_EINVARG;
}
if (can_write_bl && seg->start < BOOTLOADER_END && (seg->start + seg->length > BOOTLOADER_END)) {
PrintAndLogEx(ERR, "Error: Segment is outside of bootloader bounds");
return PM3_EFILE;
}
}
return PM3_SUCCESS;
}
static int print_and_validate_version(struct version_information_t *vi) {
if (vi->magic != VERSION_INFORMATION_MAGIC) {
return PM3_EFILE;
}
// same limit as for ARM image
char temp[PM3_CMD_DATA_SIZE - 12] = {0};
FormatVersionInformation(temp, sizeof(temp), "", vi);
PrintAndLogEx(SUCCESS, _CYAN_("ELF file version") _YELLOW_(" %s"), temp);
if (strlen(g_version_information.armsrc) == 9) {
if (strncmp(vi->armsrc, g_version_information.armsrc, 9) != 0) {
PrintAndLogEx(WARNING, _RED_("ARM firmware does not match the source at the time the client was compiled"));
return PM3_EINVARG;
} else {
return PM3_SUCCESS;
}
}
return PM3_EUNDEF;
}
// Load an ELF file for flashing
int flash_load(flash_file_t *ctx, bool force) {
FILE *fd;
Elf32_Ehdr_t *ehdr;
Elf32_Shdr_t *shdrs = NULL;
uint8_t *shstr = NULL;
struct version_information_t *vi = NULL;
int res = PM3_EUNDEF;
fd = fopen(ctx->filename, "rb");
if (fd == NULL) {
PrintAndLogEx(ERR, _RED_("Could not open file") " %s >>> ", ctx->filename);
res = PM3_EFILE;
goto fail;
}
PrintAndLogEx(SUCCESS, _CYAN_("Loading ELF file") _YELLOW_(" %s"), ctx->filename);
// get filesize in order to malloc memory
fseek(fd, 0, SEEK_END);
long fsize = ftell(fd);
fseek(fd, 0, SEEK_SET);
if (fsize <= 0) {
PrintAndLogEx(ERR, "Error, when getting filesize");
res = PM3_EFILE;
fclose(fd);
goto fail;
}
ctx->elf = calloc(fsize + 1, sizeof(uint8_t));
if (ctx->elf == NULL) {
PrintAndLogEx(WARNING, "Failed to allocate memory");
res = PM3_EMALLOC;
fclose(fd);
goto fail;
}
size_t bytes_read = fread(ctx->elf, 1, fsize, fd);
fclose(fd);
if (bytes_read != fsize) {
PrintAndLogEx(ERR, "Error, bytes read mismatch file size");
res = PM3_EFILE;
goto fail;
}
ehdr = (Elf32_Ehdr_t *)ctx->elf;
if (memcmp(ehdr->e_ident, elf_ident, sizeof(elf_ident))
|| le32(ehdr->e_version) != 1) {
PrintAndLogEx(ERR, "Not an ELF file or wrong ELF type");
res = PM3_EFILE;
goto fail;
}
if (le16(ehdr->e_type) != ET_EXEC) {
PrintAndLogEx(ERR, "ELF is not executable");
res = PM3_EFILE;
goto fail;
}
if (le16(ehdr->e_machine) != EM_ARM) {
PrintAndLogEx(ERR, "Wrong ELF architecture");
res = PM3_EFILE;
goto fail;
}
if (!ehdr->e_phnum || !ehdr->e_phoff) {
PrintAndLogEx(ERR, "ELF has no PHDRs");
res = PM3_EFILE;
goto fail;
}
if (le16(ehdr->e_phentsize) != sizeof(Elf32_Phdr_t)) {
// could be a structure padding issue...
PrintAndLogEx(ERR, "Either the ELF file or this code is made of fail");
res = PM3_EFILE;
goto fail;
}
ctx->num_phdrs = le16(ehdr->e_phnum);
ctx->phdrs = (Elf32_Phdr_t *)(ctx->elf + le32(ehdr->e_phoff));
shdrs = (Elf32_Shdr_t *)(ctx->elf + le32(ehdr->e_shoff));
shstr = ctx->elf + le32(shdrs[ehdr->e_shstrndx].sh_offset);
for (uint16_t i = 0; i < le16(ehdr->e_shnum); i++) {
if (strcmp(((char *)shstr) + shdrs[i].sh_name, ".version_information") == 0) {
vi = (struct version_information_t *)(ctx->elf + le32(shdrs[i].sh_offset));
res = print_and_validate_version(vi);
break;
}
if (strcmp(((char *)shstr) + shdrs[i].sh_name, ".bootphase1") == 0) {
uint32_t offset;
memcpy(&offset, ctx->elf + le32(shdrs[i].sh_offset) + le32(shdrs[i].sh_size) - 4, sizeof(uint32_t));
if (offset >= le32(shdrs[i].sh_addr)) {
offset -= le32(shdrs[i].sh_addr);
if (offset < le32(shdrs[i].sh_size)) {
vi = (struct version_information_t *)(ctx->elf + le32(shdrs[i].sh_offset) + offset);
res = print_and_validate_version(vi);
}
}
break;
}
}
if (res == PM3_SUCCESS)
return res;
// We could not find proper version_information
if (res == PM3_EUNDEF)
PrintAndLogEx(WARNING, "Unable to check version_information");
if (force)
return PM3_SUCCESS;
PrintAndLogEx(INFO, "Make sure to flash a correct and up-to-date version");
PrintAndLogEx(INFO, "You can force flashing this firmware by using the option '--force'");
fail:
flash_free(ctx);
return res;
}
// Prepare an ELF file for flashing
int flash_prepare(flash_file_t *ctx, int can_write_bl, int flash_size) {
int res = PM3_EUNDEF;
res = build_segs_from_phdrs(ctx, flash_size);
if (res != PM3_SUCCESS)
goto fail;
res = check_segs(ctx, can_write_bl, flash_size);
if (res != PM3_SUCCESS)
goto fail;
return PM3_SUCCESS;
fail:
flash_free(ctx);
return res;
}
// Get the state of the proxmark, backwards compatible
static int get_proxmark_state(uint32_t *state) {
SendCommandBL(CMD_DEVICE_INFO, 0, 0, 0, NULL, 0);
PacketResponseNG resp;
WaitForResponse(CMD_UNKNOWN, &resp); // wait for any response. No timeout.
// Three outcomes:
// 1. The old bootrom code will ignore CMD_DEVICE_INFO, but respond with an ACK
// 2. The old os code will respond with CMD_DEBUG_PRINT_STRING and "unknown command"
// 3. The new bootrom and os codes will respond with CMD_DEVICE_INFO and flags
switch (resp.cmd) {
case CMD_ACK:
*state = DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM;
break;
case CMD_DEBUG_PRINT_STRING:
*state = DEVICE_INFO_FLAG_CURRENT_MODE_OS;
break;
case CMD_DEVICE_INFO:
*state = resp.oldarg[0];
break;
default:
PrintAndLogEx(ERR, _RED_("Error:") " Couldn't get Proxmark3 state, bad response type: 0x%04x", resp.cmd);
return PM3_EFATAL;
break;
}
return PM3_SUCCESS;
}
// Enter the bootloader to be able to start flashing
static int enter_bootloader(char *serial_port_name, bool wait_appear) {
uint32_t state = 0;
int ret = get_proxmark_state(&state);
if (ret != PM3_SUCCESS) {
return ret;
}
/* Already in flash state, we're done. */
if ((state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) == DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) {
return PM3_SUCCESS;
}
if ((state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) == DEVICE_INFO_FLAG_CURRENT_MODE_OS) {
PrintAndLogEx(SUCCESS, _CYAN_("Entering bootloader..."));
if (
((state & DEVICE_INFO_FLAG_BOOTROM_PRESENT) == DEVICE_INFO_FLAG_BOOTROM_PRESENT) &&
((state & DEVICE_INFO_FLAG_OSIMAGE_PRESENT) == DEVICE_INFO_FLAG_OSIMAGE_PRESENT)) {
// New style handover: Send CMD_START_FLASH, which will reset the board
// and enter the bootrom on the next boot.
SendCommandBL(CMD_START_FLASH, 0, 0, 0, NULL, 0);
PrintAndLogEx(SUCCESS, "(Press and release the button only to " _YELLOW_("abort") ")");
} else {
// Old style handover: Ask the user to press the button, then reset the board
SendCommandBL(CMD_HARDWARE_RESET, 0, 0, 0, NULL, 0);
PrintAndLogEx(SUCCESS, "Press and hold down button NOW if your bootloader requires it.");
}
msleep(500);
PrintAndLogEx(SUCCESS, _CYAN_("Trigger restart..."));
CloseProxmark(g_session.current_device);
// Let time to OS to make the port disappear
msleep(1000);
if (wait_appear == false) {
return PM3_SUCCESS;
} else if (OpenProxmark(&g_session.current_device, serial_port_name, true, 60, true, FLASHMODE_SPEED)) {
PrintAndLogEx(NORMAL, _GREEN_(" found"));
return PM3_SUCCESS;
} else {
PrintAndLogEx(ERR, _RED_("Error:") " Proxmark3 not found.");
return PM3_ETIMEOUT;
}
}
PrintAndLogEx(ERR, _RED_("Error:") " Unknown Proxmark3 mode");
return PM3_EFATAL;
}
static int wait_for_ack(PacketResponseNG *ack) {
WaitForResponse(CMD_UNKNOWN, ack);
if (ack->cmd != CMD_ACK) {
PrintAndLogEx(ERR, "Error: Unexpected reply 0x%04x %s (expected ACK)",
ack->cmd,
(ack->cmd == CMD_NACK) ? "NACK" : ""
);
return PM3_ESOFT;
}
return PM3_SUCCESS;
}
static bool gs_printed_msg = false;
static void flash_suggest_update_bootloader(void) {
if (gs_printed_msg) {
return;
}
PrintAndLogEx(ERR, _RED_("It is recommended that you first" _YELLOW_(" update your bootloader") _RED_(" alone,")));
PrintAndLogEx(ERR, _RED_("reboot the Proxmark3 then only update the main firmware") "\n");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(ERR, "------------- " _CYAN_("Follow these steps") " -------------------");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(ERR, " 1) ./pm3-flash-bootrom");
PrintAndLogEx(ERR, " 2) ./pm3-flash-fullimage");
PrintAndLogEx(ERR, " 3) ./pm3");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(INFO, "---------------------------------------------------");
PrintAndLogEx(NORMAL, "");
gs_printed_msg = true;
}
static void flash_suggest_update_flasher(void) {
PrintAndLogEx(ERR, _RED_("It is recommended that you first " _YELLOW_("update your flasher")));
}
// Go into flashing mode
int flash_start_flashing(int enable_bl_writes, char *serial_port_name, uint32_t *max_allowed) {
int ret = enter_bootloader(serial_port_name, true);
if (ret != PM3_SUCCESS) {
return ret;
}
uint32_t state;
ret = get_proxmark_state(&state);
if (ret != PM3_SUCCESS) {
return ret;
}
uint32_t chipinfo = 0;
if ((state & DEVICE_INFO_FLAG_UNDERSTANDS_CHIP_INFO) == DEVICE_INFO_FLAG_UNDERSTANDS_CHIP_INFO) {
SendCommandBL(CMD_CHIP_INFO, 0, 0, 0, NULL, 0);
PacketResponseNG resp;
WaitForResponse(CMD_CHIP_INFO, &resp);
chipinfo = resp.oldarg[0];
}
int version = BL_VERSION_INVALID;
if ((state & DEVICE_INFO_FLAG_UNDERSTANDS_VERSION) == DEVICE_INFO_FLAG_UNDERSTANDS_VERSION) {
SendCommandBL(CMD_BL_VERSION, 0, 0, 0, NULL, 0);
PacketResponseNG resp;
WaitForResponse(CMD_BL_VERSION, &resp);
version = resp.oldarg[0];
if ((BL_VERSION_MAJOR(version) < BL_VERSION_FIRST_MAJOR) || (BL_VERSION_MAJOR(version) > BL_VERSION_LAST_MAJOR)) {
// version info seems fishy
version = BL_VERSION_INVALID;
PrintAndLogEx(ERR, _RED_("====================== OBS ! ==========================="));
PrintAndLogEx(ERR, _RED_("Note: Your bootloader reported an invalid version number"));
flash_suggest_update_bootloader();
//
} else if (BL_VERSION_MAJOR(version) < BL_VERSION_MAJOR(FLASHER_VERSION)) {
PrintAndLogEx(ERR, _RED_("====================== OBS ! ==================================="));
PrintAndLogEx(ERR, _RED_("Note: Your bootloader reported a version older than this flasher"));
flash_suggest_update_bootloader();
} else if (BL_VERSION_MAJOR(version) > BL_VERSION_MAJOR(FLASHER_VERSION)) {
PrintAndLogEx(ERR, _RED_("====================== OBS ! ========================="));
PrintAndLogEx(ERR, _RED_("Note: Your bootloader is more recent than this flasher"));
flash_suggest_update_flasher();
}
} else {
PrintAndLogEx(ERR, _RED_("====================== OBS ! ==========================================="));
PrintAndLogEx(ERR, _RED_("Note: Your bootloader does not understand the new" _YELLOW_(" CMD_BL_VERSION") _RED_(" command")));
flash_suggest_update_bootloader();
}
uint32_t flash_end = FLASH_START + AT91C_IFLASH_PAGE_SIZE * AT91C_IFLASH_NB_OF_PAGES / 2;
*max_allowed = 256;
int mem_avail = chipid_to_mem_avail(chipinfo);
if (mem_avail != 0) {
PrintAndLogEx(INFO, "Available memory on this board: "_YELLOW_("%uK") " bytes\n", mem_avail);
if (mem_avail > 256) {
if (BL_VERSION_MAJOR(version) < BL_VERSION_MAJOR(BL_VERSION_1_0_0)) {
PrintAndLogEx(ERR, _RED_("====================== OBS ! ======================"));
PrintAndLogEx(ERR, _RED_("Your bootloader does not support writing above 256k"));
flash_suggest_update_bootloader();
} else {
flash_end = FLASH_START + AT91C_IFLASH_PAGE_SIZE * AT91C_IFLASH_NB_OF_PAGES;
*max_allowed = mem_avail;
}
}
} else {
PrintAndLogEx(INFO, "Available memory on this board: "_RED_("UNKNOWN")"\n");
PrintAndLogEx(ERR, _RED_("====================== OBS ! ======================================"));
PrintAndLogEx(ERR, _RED_("Note: Your bootloader does not understand the new" _YELLOW_(" CHIP_INFO") _RED_(" command")));
flash_suggest_update_bootloader();
}
if (enable_bl_writes) {
PrintAndLogEx(INFO, "Permitted flash range: 0x%08x-0x%08x", FLASH_START, flash_end);
} else {
PrintAndLogEx(INFO, "Permitted flash range: 0x%08x-0x%08x", BOOTLOADER_END, flash_end);
}
if ((state & DEVICE_INFO_FLAG_UNDERSTANDS_START_FLASH) == DEVICE_INFO_FLAG_UNDERSTANDS_START_FLASH) {
if (enable_bl_writes) {
SendCommandBL(CMD_START_FLASH, FLASH_START, flash_end, START_FLASH_MAGIC, NULL, 0);
} else {
SendCommandBL(CMD_START_FLASH, BOOTLOADER_END, flash_end, 0, NULL, 0);
}
PacketResponseNG resp;
return wait_for_ack(&resp);
} else {
PrintAndLogEx(ERR, _RED_("====================== OBS ! ========================================"));
PrintAndLogEx(ERR, _RED_("Note: Your bootloader does not understand the new" _YELLOW_(" START_FLASH") _RED_(" command")));
flash_suggest_update_bootloader();
}
return PM3_SUCCESS;
}
// Reboot into bootloader
int flash_reboot_bootloader(char *serial_port_name, bool wait_appear) {
return enter_bootloader(serial_port_name, wait_appear);
}
static int write_block(uint32_t address, uint8_t *data, uint32_t length) {
uint8_t block_buf[BLOCK_SIZE];
memset(block_buf, 0xFF, BLOCK_SIZE);
memcpy(block_buf, data, length);
PacketResponseNG resp;
#if defined ICOPYX
SendCommandBL(CMD_FINISH_WRITE, address, 0xff, 0x1fd, block_buf, length);
#else
SendCommandBL(CMD_FINISH_WRITE, address, 0, 0, block_buf, length);
#endif
int ret = wait_for_ack(&resp);
if (ret && resp.oldarg[0]) {
uint32_t lock_bits = resp.oldarg[0] >> 16;
bool lock_error = resp.oldarg[0] & AT91C_MC_LOCKE;
bool prog_error = resp.oldarg[0] & AT91C_MC_PROGE;
bool security_bit = resp.oldarg[0] & AT91C_MC_SECURITY;
PrintAndLogEx(NORMAL, "%s", lock_error ? " Lock Error" : "");
PrintAndLogEx(NORMAL, "%s", prog_error ? " Invalid Command or bad Keyword" : "");
PrintAndLogEx(NORMAL, "%s", security_bit ? " Security Bit is set!" : "");
PrintAndLogEx(NORMAL, " Lock Bits: 0x%04x", lock_bits);
}
return ret;
}
static const char ice[] =
"...................................................................\n @@@ @@@@@@@ @@@@@@@@ @@@@@@@@@@ @@@@@@ @@@ @@@\n"
" @@! !@@ @@! @@! @@! @@! @@! @@@ @@!@!@@@\n !!@ !@! @!!!:! @!! !!@ @!@ @!@!@!@! @!@@!!@!\n"
" !!: :!! !!: !!: !!: !!: !!! !!: !!!\n : :: :: : : :: ::: : : : : : :: : \n"
_RED_(" . .. .. . . .. ... . . . . . .. . ");
#define ICEMAN_LOGO_FN "iceman.txt"
#define ICEMAN_LOGO_SIZE (5000)
// Write a file's segments to Flash
int flash_write(flash_file_t *ctx) {
char ice2[ICEMAN_LOGO_SIZE] = {0};
char ice3[ICEMAN_LOGO_SIZE] = {0};
bool is_loaded = false;
if (g_session.supports_colors) {
uint8_t *iraw = NULL;
size_t irawlen = 0;
int res = loadFile_safeEx(ICEMAN_LOGO_FN, "", (void **)&iraw, &irawlen, false);
if (res == PM3_SUCCESS && irawlen > ICEMAN_LOGO_SIZE) {
irawlen = ICEMAN_LOGO_SIZE;
}
if (res == PM3_SUCCESS) {
memcpy(ice3, iraw, irawlen);
free(iraw);
is_loaded = true;
}
}
if (is_loaded == false) {
memcpy_filter_ansi(ice2, ice, sizeof(ice), !g_session.supports_colors);
memcpy_filter_emoji(ice3, ice2, sizeof(ice2), g_session.emoji_mode);
}
size_t ice3len = strlen(ice3);
PrintAndLogEx(SUCCESS, "Writing segments for file: %s", ctx->filename);
int len = 0;
for (int i = 0; i < ctx->num_segs; i++) {
flash_seg_t *seg = &ctx->segments[i];
uint32_t length = seg->length;
uint32_t blocks = (length + BLOCK_SIZE - 1) / BLOCK_SIZE;
uint32_t end = seg->start + length;
PrintAndLogEx(SUCCESS, " 0x%08x..0x%08x [0x%x / %u blocks]", seg->start, end - 1, length, blocks);
if (is_loaded) {
if (blocks < 50) {
PrintAndLogEx(SUCCESS, "" NOLF);
} else {
fprintf(stdout, "\n\n");
}
}
fflush(stdout);
int block = 0;
uint8_t *data = seg->data;
uint32_t baddr = seg->start;
while (length) {
uint32_t block_size = length;
if (block_size > BLOCK_SIZE) {
block_size = BLOCK_SIZE;
}
if (write_block(baddr, data, block_size) < 0) {
PrintAndLogEx(ERR, "Error writing block %d of %u", block, blocks);
return PM3_EFATAL;
}
data += block_size;
baddr += block_size;
length -= block_size;
block++;
// small files, like bootrom
if (blocks < 50) {
fprintf(stdout, ".");
len++;
fflush(stdout);
continue;
}
// large fullimage write
if (is_loaded) {
if (len < ice3len) {
fprintf(stdout, "%c", ice3[len++]);
fprintf(stdout, "%c", ice3[len++]);
fprintf(stdout, "%c", ice3[len++]);
fprintf(stdout, "%c", ice3[len++]);
fprintf(stdout, "%c", ice3[len++]);
fprintf(stdout, "%c", ice3[len++]);
fprintf(stdout, "%c", ice3[len++]);
fprintf(stdout, "%c", ice3[len++]);
} else {
if ((len - ice3len - 1) % 61 == 0) {
fprintf(stdout, "\n");
}
fprintf(stdout, ".");
len++;
}
} else {
if (len < ice3len) {
fprintf(stdout, "%c", ice3[len++]);
} else {
if ((len - ice3len) % 67 == 0) {
fprintf(stdout, "\n");
}
fprintf(stdout, ".");
len++;
}
}
fflush(stdout);
}
PrintAndLogEx(NORMAL, " " _GREEN_("ok"));
fflush(stdout);
}
return PM3_SUCCESS;
}
// free a file context
void flash_free(flash_file_t *ctx) {
if (!ctx) {
return;
}
if (ctx->filename != NULL) {
free(ctx->filename);
ctx->filename = NULL;
}
if (ctx->elf) {
free(ctx->elf);
ctx->elf = NULL;
ctx->phdrs = NULL;
ctx->num_phdrs = 0;
}
if (ctx->segments) {
for (int i = 0; i < ctx->num_segs; i++) {
free(ctx->segments[i].data);
}
free(ctx->segments);
ctx->segments = NULL;
ctx->num_segs = 0;
}
}
// just reset the unit
int flash_stop_flashing(void) {
SendCommandBL(CMD_HARDWARE_RESET, 0, 0, 0, NULL, 0);
msleep(100);
return PM3_SUCCESS;
}
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