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[proxmark3-svn] / client / flasher.c
diff --git a/client/flasher.c b/client/flasher.c
index bcbe2d7773fe9bad8bc32ecd893dea2390055980..d6a51f3e9bcc694790163b2f58ce5a6c4ea7cc1f 100644 (file)
--- a/client/flasher.c
+++ b/client/flasher.c
@@ -1,355 +1,57 @@
-#include <usb.h>
 #include <stdio.h>
 #include <stdio.h>
-#include <unistd.h>
 #include <stdlib.h>
 #include <stdlib.h>
-#include <strings.h>
-#include <string.h>
-#include <errno.h>
-#include <ctype.h>
+#include "proxusb.h"
+#include "flash.h"
 
 
-#include "translate.h"
-#include "prox.h"
-#include "proxmark3.h"
+unsigned int current_command = CMD_UNKNOWN;
 
 
-static DWORD ExpectedAddr;
-static BYTE QueuedToSend[256];
-static BOOL AllWritten;
-#define PHYSICAL_FLASH_START 0x100000
+extern struct partition partitions[];
 
 
-struct partition {
-       int start;
-       int end;
-       int precious;
-       const char *name;
-};
-struct partition partitions[] = {
-               {0x100000, 0x102000, 1, "bootrom"},
-               {0x102000, 0x110000, 0, "fpga"},
-               {0x110000, 0x140000, 0, "os"},
-};
-
-/* If translate is set, subtract PHYSICAL_FLASH_START to translate for old
- * bootroms.
- */
-static void FlushPrevious(int translate)
-{
-       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, TRUE);
-       }
-
-       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, TRUE);
-
-       AllWritten = TRUE;
-}
-
-/* Where must be between start_addr (inclusive) and end_addr (exclusive).
- */
-static void GotByte(DWORD where, BYTE 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);
-       }
-}
-
-static 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);
-       }
-}
-
-static BYTE HexByte(char *s)
-{
-       return (HexVal(s[0]) << 4) | HexVal(s[1]);
-}
-
-static void LoadFlashFromSRecords(const char *file, int start_addr, int end_addr, int translate)
+static void usage(char **argv)
 {
 {
-       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';
-                       DWORD 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;
-                       }
-               }
-       }
+  fprintf(stderr, "Usage:   %s areas image [image [image]]\n", argv[0]);
+  fprintf(stderr, "         areas is a comma-separated list of areas to flash, with no spaces\n");
+  fprintf(stderr, "               Known areas are:");
 
 
-       if(!AllWritten) FlushPrevious(translate);
+  for (int i = 0; partitions[i].name != NULL; ++i) {
+    fprintf(stderr, " %s", partitions[i].name);
+  }
 
 
-       fclose(f);
-       printf("\ndone.\n");
+  fprintf(stderr, "\n");
+  fprintf(stderr, "         image is the path to the corresponding image\n\n");
+  fprintf(stderr, "Example: %s os,fpga path/to/osimage.elf path/to/fpgaimage.elf\n", argv[0]);
 }
 
 }
 
-static int PrepareFlash(struct partition *p, const char *filename, unsigned int state)
+int main(int argc, char **argv)
 {
 {
-       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, TRUE);
-               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 (argc < 2) {
+    usage(argv);
+    exit(-1);
+  }
 
 
-static unsigned int GetProxmarkState(void)
-{
-       unsigned int state = 0;
-       
-       UsbCommand c;
-       c.cmd = CMD_DEVICE_INFO;
-       SendCommand(&c, FALSE);
-       
-       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;
-       }
-       
-#if 0
-       if(state & DEVICE_INFO_FLAG_BOOTROM_PRESENT) printf("New bootrom present\n");
-       if(state & DEVICE_INFO_FLAG_OSIMAGE_PRESENT) printf("New osimage present\n");
-       if(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) printf("Currently in bootrom\n");
-       if(state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) printf("Currently in OS\n");
-#endif
-       
-       return state;
-}
+  /* Count area arguments */
+  int areas = 0, offset=-1, length=0;
+  while (find_next_area(argv[1], &offset, &length)) areas++;
 
 
-static 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, FALSE);
-                       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, FALSE);
-                       fprintf(stderr,"(Press and hold down button NOW if your bootloader requires it)\n");
-                       fprintf(stderr,"Waiting for Proxmark to reappear on USB... ");
-               }
-               
-               CloseProxmark();
-               sleep(1);
+  if (areas != argc - 2) {
+    usage(argv);
+    exit(-1);
+  }
 
 
-               while(!(devh=OpenProxmark(0))) { sleep(1); }
-               fprintf(stderr,"Found.\n");
+  usb_init();
 
 
-               return GetProxmarkState();
-       }
-       
-       return 0;
-}
-
-static void usage(char **argv)
-{
-       int i;
-       fprintf(stderr, "Usage:   %s areas image [image [image]]\n", argv[0]);
-       fprintf(stderr, "         areas is a comma-separated list of areas to flash, with no spaces\n");
-       fprintf(stderr, "               Known areas are:");
-       for(i=0; i<(sizeof(partitions)/sizeof(partitions[0])); i++) {
-               fprintf(stderr, " %s", partitions[i].name);
-       }
-       fprintf(stderr, "\n");
-       fprintf(stderr, "         image is the path to the corresponding image\n\n");
-       fprintf(stderr, "Example: %s os,fpga path/to/osimage.s19 path/to/fpgaimage.s19\n", argv[0]);
-}
-
-/* On first call, have *offset = -1, *length = 0; */
-static 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;
-}
+  fprintf(stderr,"Waiting for Proxmark to appear on USB... ");
+  while (!OpenProxmark(0)) { sleep(1); }
+  fprintf(stderr,"Found.\n");
 
 
-int main(int argc, char **argv) {
-       if(argc < 2) {
-               usage(argv);
-               exit(-1);
-       }
-       
-       /* Count area arguments */
-       int areas = 0, offset=-1, length=0;
-       while(find_next_area(argv[1], &offset, &length)) areas++;
-       
-       if(areas != argc - 2) {
-               usage(argv);
-               exit(-1);
-       }
-       
-       usb_init();
+  do_flash(argv);
 
 
-       fprintf(stderr,"Waiting for Proxmark to appear on USB... ");
-       while(!(devh=OpenProxmark(0))) { sleep(1); }
-       fprintf(stderr,"Found.\n");
-       
-       unsigned int state = EnterFlashState();
-       
-       if( !(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) ) {
-               fprintf(stderr, "Proxmark would not enter flash state, abort\n");
-               exit(-1);
-       }
-       
-       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++;
-       }
-       
-       UsbCommand c;
-       bzero(&c, sizeof(c));
-       c.cmd = CMD_HARDWARE_RESET;
-       SendCommand(&c, FALSE);
+  UsbCommand c = {CMD_HARDWARE_RESET};
+  SendCommand(&c);
 
 
-       CloseProxmark();
+  CloseProxmark();
 
 
-       fprintf(stderr,"Have a nice day!\n");
+  fprintf(stderr,"Have a nice day!\n");
 
 
-       return 0;
+  return 0;
 }
 }
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