#ifdef WIN32
#include <windows.h>
#include <setupapi.h>
-#include <ctype.h>
#define bzero(b,len) (memset((b), '\0', (len)), (void) 0)
BOOL UsbConnect(void);
#else
-#include <usb.h>
+#include <proxusb.h>
#endif
+
#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdbool.h>
-#include <strings.h>
#include <string.h>
-#include <errno.h>
-#include <ctype.h>
-
-#include "prox.h"
-#ifndef WIN32
-#include "proxmark3.h"
-#endif
#include "flash.h"
+#include "elf.h"
static uint32_t ExpectedAddr;
static uint8_t QueuedToSend[256];
static bool AllWritten;
#define PHYSICAL_FLASH_START 0x100000
+#define PHYSICAL_FLASH_END 0x200000
-void WaitForAck(void) {
- UsbCommand ack;
- ReceiveCommand(&ack);
- if(ack.cmd != CMD_ACK) {
- printf("bad ACK\n");
- exit(-1);
- }
+void WaitForAck(void)
+{
+ UsbCommand ack;
+ ReceiveCommand(&ack);
+ if (ack.cmd != CMD_ACK) {
+ printf("bad ACK\n");
+ exit(-1);
+ }
}
struct partition partitions[] = {
- {0x100000, 0x102000, 1, "bootrom"},
- {0x102000, 0x110000, 0, "fpga"},
- {0x110000, 0x140000, 0, "os"},
- {0, 0, 0, NULL},
+ {0x100000, 0x102000, 1, "bootrom"},
+ {0x102000, 0x110000, 0, "fpga"},
+ {0x110000, 0x140000, 0, "os"},
+ {0, 0, 0, NULL},
};
-/* If translate is set, subtract PHYSICAL_FLASH_START to translate for old
- * bootroms.
- */
-void FlushPrevious(int translate)
+void WriteBlock(unsigned int block_start, unsigned int len, unsigned char *buf)
{
- UsbCommand c;
- memset(&c, 0, sizeof(c));
-
- printf("expected = %08x flush, ", ExpectedAddr);
-
- int i;
- for(i = 0; i < 240; i += 48) {
- c.cmd = CMD_SETUP_WRITE;
- memcpy(c.d.asBytes, QueuedToSend+i, 48);
- c.arg[0] = (i/4);
- SendCommand(&c);
- WaitForAck();
- }
-
- c.cmd = CMD_FINISH_WRITE;
- c.arg[0] = (ExpectedAddr-1) & (~255);
- if(translate) {
- c.arg[0] -= PHYSICAL_FLASH_START;
- }
- printf("c.arg[0] = %08x\r", c.arg[0]);
- memcpy(c.d.asBytes, QueuedToSend+240, 16);
- SendCommand(&c);
- WaitForAck();
-
- AllWritten = true;
-}
+ unsigned char temp_buf[256];
+ if (block_start & 0xFF) {
+ printf("moving stuff forward by %d bytes\n", block_start & 0xFF);
+ memset(temp_buf, 0xFF, block_start & 0xFF);
+ memcpy(temp_buf + (block_start & 0xFF), buf, len - (block_start & 0xFF));
+ block_start &= ~0xFF;
+ } else {
+ memcpy(temp_buf, buf, len);
+ }
-/* Where must be between start_addr (inclusive) and end_addr (exclusive).
- */
-void GotByte(uint32_t where, uint8_t which, int start_addr, int end_addr, int translate)
-{
- AllWritten = false;
-
- if(where < start_addr || where >= end_addr) {
- printf("bad: got byte at %08x, outside of range %08x-%08x\n", where, start_addr, end_addr);
- exit(-1);
- }
-
- if(where != ExpectedAddr) {
- printf("bad: got at %08x, expected at %08x\n", where, ExpectedAddr);
- exit(-1);
- }
- QueuedToSend[where & 255] = which;
- ExpectedAddr++;
-
- if((where & 255) == 255) {
- // we have completed a full page
- FlushPrevious(translate);
- }
-}
+ UsbCommand c = {CMD_SETUP_WRITE};
-int HexVal(int c)
-{
- c = tolower(c);
- if(c >= '0' && c <= '9') {
- return c - '0';
- } else if(c >= 'a' && c <= 'f') {
- return (c - 'a') + 10;
- } else {
- printf("bad hex digit '%c'\n", c);
- exit(-1);
- }
-}
+ for (int i = 0; i < 240; i += 48) {
+ memcpy(c.d.asBytes, temp_buf+i, 48);
+ c.arg[0] = (i/4);
+ SendCommand(&c);
+ WaitForAck();
+ }
-uint8_t HexByte(char *s)
-{
- return (HexVal(s[0]) << 4) | HexVal(s[1]);
+ c.cmd = CMD_FINISH_WRITE;
+ c.arg[0] = block_start;
+
+// printf("writing block %08x\r", c.arg[0]);
+ memcpy(c.d.asBytes, temp_buf+240, 16);
+ SendCommand(&c);
+ WaitForAck();
+
+ AllWritten = true;
}
-void LoadFlashFromSRecords(const char *file, int start_addr, int end_addr, int translate)
+void LoadFlashFromFile(const char *file, int start_addr, int end_addr)
{
- ExpectedAddr = start_addr;
-
- FILE *f = fopen(file, "r");
- if(!f) {
- printf("couldn't open file\n");
- exit(-1);
- }
-
- char line[512];
- while(fgets(line, sizeof(line), f)) {
- if(memcmp(line, "S3", 2)==0) {
- char *s = line + 2;
- int len = HexByte(s) - 5;
- s += 2;
-
- char addrStr[9];
- memcpy(addrStr, s, 8);
- addrStr[8] = '\0';
- uint32_t addr;
- sscanf(addrStr, "%x", &addr);
- s += 8;
-
- /* Accept files that are located at PHYSICAL_FLASH_START, and files that are located at 0 */
- if(addr < PHYSICAL_FLASH_START)
- addr += PHYSICAL_FLASH_START;
-
- int i;
- for(i = 0; i < len; i++) {
- while((addr+i) > ExpectedAddr) {
- GotByte(ExpectedAddr, 0xff, start_addr, end_addr, translate);
- }
- GotByte(addr+i, HexByte(s), start_addr, end_addr, translate);
- s += 2;
- }
- }
- }
-
- if(!AllWritten) FlushPrevious(translate);
-
- fclose(f);
- printf("\ndone.\n");
+ FILE *f = fopen(file, "rb");
+ if (!f) {
+ printf("couldn't open file\n");
+ exit(-1);
+ }
+
+ char buf[4];
+ fread(buf, 1, 4, f);
+ if (memcmp(buf, "\x7F" "ELF", 4) == 0) {
+ fseek(f, 0, SEEK_SET);
+ Elf32_Ehdr header;
+ fread(&header, 1, sizeof(header), f);
+ int count = header.e_phnum;
+ printf("count=%d phoff=%x\n", count, header.e_phoff);
+ Elf32_Phdr phdr;
+
+ for (int i = 0; i < header.e_phnum; ++i) {
+ fseek(f, header.e_phoff + i * sizeof(Elf32_Phdr), SEEK_SET);
+ fread(&phdr, 1, sizeof(phdr), f);
+ printf("type=%d offset=%x paddr=%x vaddr=%x filesize=%x memsize=%x flags=%x align=%x\n",
+ phdr.p_type, phdr.p_offset, phdr.p_paddr, phdr.p_vaddr, phdr.p_filesz, phdr.p_memsz, phdr.p_flags, phdr.p_align);
+ if (phdr.p_type == PT_LOAD && phdr.p_filesz > 0 && phdr.p_paddr >= PHYSICAL_FLASH_START
+ && (phdr.p_paddr + phdr.p_filesz) < PHYSICAL_FLASH_END) {
+ printf("flashing offset=%x paddr=%x size=%x\n", phdr.p_offset, phdr.p_paddr, phdr.p_filesz);
+ if (phdr.p_offset == 0) {
+ printf("skipping forward 0x2000 because of strange linker thing\n");
+ phdr.p_offset += 0x2000;
+ phdr.p_paddr += 0x2000;
+ phdr.p_filesz -= 0x2000;
+ phdr.p_memsz -= 0x2000;
+ }
+
+ fseek(f, phdr.p_offset, SEEK_SET);
+ ExpectedAddr = phdr.p_paddr;
+ while (ExpectedAddr < (phdr.p_paddr + phdr.p_filesz)) {
+ unsigned int bytes_to_read = phdr.p_paddr + phdr.p_filesz - ExpectedAddr;
+ if (bytes_to_read > 256)
+ bytes_to_read=256;
+ else
+ memset(QueuedToSend, 0xFF, 256);
+ fread(QueuedToSend, 1, bytes_to_read, f);
+ printf("WriteBlock(%x, %d, %02x %02x %02x %02x %02x %02x %02x %02x ... %02x %02x %02x %02x %02x %02x %02x %02x)\n", ExpectedAddr, bytes_to_read,
+ QueuedToSend[0], QueuedToSend[1], QueuedToSend[2], QueuedToSend[3],
+ QueuedToSend[4], QueuedToSend[5], QueuedToSend[6], QueuedToSend[7],
+ QueuedToSend[248], QueuedToSend[249], QueuedToSend[250], QueuedToSend[251],
+ QueuedToSend[252], QueuedToSend[253], QueuedToSend[254], QueuedToSend[255]);
+ WriteBlock(ExpectedAddr, 256, QueuedToSend);
+ ExpectedAddr += bytes_to_read;
+ }
+ }
+ }
+
+ fclose(f);
+ printf("\ndone.\n");
+ return;
+ } else printf("Bad file format\n");
}
int PrepareFlash(struct partition *p, const char *filename, unsigned int state)
{
- int translate = 0;
- if(state & DEVICE_INFO_FLAG_UNDERSTANDS_START_FLASH) {
- UsbCommand c;
- c.cmd = CMD_START_FLASH;
- c.arg[0] = p->start;
- c.arg[1] = p->end;
-
- /* Only send magic when flashing bootrom */
- if(p->precious) {
- c.arg[2] = START_FLASH_MAGIC;
- } else {
- c.arg[2] = 0;
- }
- SendCommand(&c);
- WaitForAck();
- translate = 0;
- } else {
- fprintf(stderr, "Warning: Your bootloader does not understand the new START_FLASH command\n");
- fprintf(stderr, " It is recommended that you update your bootloader\n\n");
- translate = 1;
- }
-
- LoadFlashFromSRecords(filename, p->start, p->end, translate);
- return 1;
+ if (state & DEVICE_INFO_FLAG_UNDERSTANDS_START_FLASH) {
+ UsbCommand c = {CMD_START_FLASH, {p->start, p->end, 0}};
+
+ /* Only send magic when flashing bootrom */
+ if (p->precious)
+ c.arg[2] = START_FLASH_MAGIC;
+ else
+ c.arg[2] = 0;
+
+ SendCommand(&c);
+ WaitForAck();
+ } else {
+ fprintf(stderr, "Warning: Your bootloader does not understand the new START_FLASH command\n");
+ fprintf(stderr, " It is recommended that you update your bootloader\n\n");
+ exit(0);
+ }
+
+ LoadFlashFromFile(filename, p->start, p->end);
+ return 1;
}
unsigned int GetProxmarkState(void)
{
- unsigned int state = 0;
-
- UsbCommand c;
- c.cmd = CMD_DEVICE_INFO;
- SendCommand(&c);
-
- UsbCommand resp;
- ReceiveCommand(&resp);
- /* Three cases:
- * 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.arg[0];
- break;
- default:
- fprintf(stderr, "Couldn't get proxmark state, bad response type: 0x%04X\n", resp.cmd);
- exit(-1);
- break;
- }
-
- return state;
+ unsigned int state = 0;
+
+ UsbCommand c;
+ c.cmd = CMD_DEVICE_INFO;
+ SendCommand(&c);
+
+ UsbCommand resp;
+ ReceiveCommand(&resp);
+ /* Three cases:
+ * 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.arg[0];
+ break;
+ default:
+ fprintf(stderr, "Couldn't get proxmark state, bad response type: 0x%04X\n", resp.cmd);
+ exit(-1);
+ break;
+ }
+
+ return state;
}
unsigned int EnterFlashState(void)
{
- unsigned int state = GetProxmarkState();
-
- if(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) {
- /* Already in flash state, we're done. */
- return state;
- }
-
- if(state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) {
- fprintf(stderr,"Entering flash-mode...\n");
- UsbCommand c;
- bzero(&c, sizeof(c));
-
- if( (state & DEVICE_INFO_FLAG_BOOTROM_PRESENT) && (state & 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.
- */
- c.cmd = CMD_START_FLASH;
- SendCommand(&c);
- fprintf(stderr,"(You don't have to do anything. Press and release the button only if you want to abort)\n");
- fprintf(stderr,"Waiting for Proxmark to reappear on USB... ");
- } else {
- /* Old style handover: Ask the user to press the button, then reset the board */
- c.cmd = CMD_HARDWARE_RESET;
- SendCommand(&c);
- fprintf(stderr,"(Press and hold down button NOW if your bootloader requires it)\n");
- fprintf(stderr,"Waiting for Proxmark to reappear on USB... ");
- }
+ unsigned int state = GetProxmarkState();
+
+ if (state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) {
+ /* Already in flash state, we're done. */
+ return state;
+ }
+
+ if (state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) {
+ fprintf(stderr,"Entering flash-mode...\n");
+ UsbCommand c;
+ bzero(&c, sizeof(c));
+
+ if ((state & DEVICE_INFO_FLAG_BOOTROM_PRESENT) && (state & 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.
+ */
+ c.cmd = CMD_START_FLASH;
+ SendCommand(&c);
+ fprintf(stderr,"(You don't have to do anything. Press and release the button only if you want to abort)\n");
+ fprintf(stderr,"Waiting for Proxmark to reappear on USB... ");
+ } else {
+ /* Old style handover: Ask the user to press the button, then reset the board */
+ c.cmd = CMD_HARDWARE_RESET;
+ SendCommand(&c);
+ fprintf(stderr,"(Press and hold down button NOW if your bootloader requires it)\n");
+ fprintf(stderr,"Waiting for Proxmark to reappear on USB... ");
+ }
#ifdef WIN32
- Sleep(1000);
- while(!UsbConnect()) { Sleep(1000); }
+ Sleep(1000);
+ while (!UsbConnect()) { Sleep(1000); }
#else
- CloseProxmark();
- sleep(1);
+ CloseProxmark();
+ sleep(1);
- while(!(devh=OpenProxmark(0))) { sleep(1); }
+ while (!OpenProxmark(0)) { sleep(1); }
#endif
- fprintf(stderr,"Found.\n");
+ fprintf(stderr,"Found.\n");
- return GetProxmarkState();
- }
-
- return 0;
+ return GetProxmarkState();
+ }
+
+ return 0;
}
/* On first call, have *offset = -1, *length = 0; */
int find_next_area(const char *str, int *offset, int *length)
{
- if(*str == '\0') return 0;
- if((*offset >= 0) && str[*offset + *length] == '\0') return 0;
- *offset += 1 + *length;
-
- char *next_comma = strchr(str + *offset, ',');
- if(next_comma == NULL) {
- *length = strlen(str) - *offset;
- } else {
- *length = next_comma-(str+*offset);
- }
- return 1;
+ if (*str == '\0') return 0;
+ if ((*offset >= 0) && str[*offset + *length] == '\0') return 0;
+ *offset += 1 + *length;
+
+ char *next_comma = strchr(str + *offset, ',');
+ if (next_comma == NULL) {
+ *length = strlen(str) - *offset;
+ } else {
+ *length = next_comma-(str+*offset);
+ }
+ return 1;
}
-void do_flash(char **argv) {
- unsigned int state = EnterFlashState();
-
- if (!(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM)) {
- fprintf(stderr, "Proxmark would not enter flash state, abort\n");
- exit(-1);
- }
-
- int offset=-1, length=0;
- int current_area = 0;
- while(find_next_area(argv[1], &offset, &length)) {
- int i;
- struct partition *p = NULL;
- for (i=0; i<sizeof(partitions)/sizeof(partitions[0]); i++) {
- if (strncmp(partitions[i].name, argv[1] + offset, length) == 0) {
- /* Check if the name matches the bootrom partition, and if so, require "bootrom" to
- * be written in full. The other names may be abbreviated.
- */
- if(!partitions[i].precious || (strlen(partitions[i].name) == length))
- p = &partitions[i];
- break;
- }
- }
-
- if(p == NULL) {
- fprintf(stderr, "Warning: area name '");
- fwrite(argv[1]+offset, length, 1, stderr);
- fprintf(stderr, "' unknown, ignored\n");
- } else {
- fprintf(stderr, "Flashing %s from %s\n", p->name, argv[2+current_area]);
- PrepareFlash(p, argv[2+current_area], state);
- }
- current_area++;
- }
+void do_flash(char **argv)
+{
+ unsigned int state = EnterFlashState();
+
+ if (!(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM)) {
+ fprintf(stderr, "Proxmark would not enter flash state, abort\n");
+ exit(-1);
+ }
+
+ int offset=-1, length=0;
+ int current_area = 0;
+ while (find_next_area(argv[1], &offset, &length)) {
+ struct partition *p = NULL;
+ for (int i = 0; i<sizeof(partitions)/sizeof(partitions[0]); ++i) {
+ if (strncmp(partitions[i].name, argv[1] + offset, length) == 0) {
+ /* Check if the name matches the bootrom partition, and if so, require "bootrom" to
+ * be written in full. The other names may be abbreviated.
+ */
+ if(!partitions[i].precious || (strlen(partitions[i].name) == length))
+ p = &partitions[i];
+ break;
+ }
+ }
+
+ if (p == NULL) {
+ fprintf(stderr, "Warning: area name '");
+ fwrite(argv[1]+offset, length, 1, stderr);
+ fprintf(stderr, "' unknown, ignored\n");
+ } else {
+ fprintf(stderr, "Flashing %s from %s\n", p->name, argv[2+current_area]);
+ PrepareFlash(p, argv[2+current_area], state);
+ }
+ current_area++;
+ }
}
projects / proxmark3-svn / blobdiff