Initial commit for the firmware. Used the 20090306_ela version as baseline.

[proxmark3-svn] / linux / flasher.c

diff --git a/linux/flasher.c b/linux/flasher.c
new file mode 100644 (file)
index 0000000..05f3124
--- /dev/null
+++ b/linux/flasher.c
@@ -0,0 +1,166 @@
+#include <usb.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+
+#include "translate.h"
+#include "../winsrc/prox.h"
+#include "proxmark3.h"
+
+static DWORD ExpectedAddr;
+static BYTE QueuedToSend[256];
+static BOOL AllWritten;
+
+static void FlushPrevious(void)
+{
+       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.ext1 = (i/4);
+               SendCommand(&c, TRUE);
+       }
+
+       c.cmd = CMD_FINISH_WRITE;
+       c.ext1 = (ExpectedAddr-1) & (~255);
+       printf("c.ext1 = %08x\r", c.ext1);
+       memcpy(c.d.asBytes, QueuedToSend+240, 16);
+       SendCommand(&c, TRUE);
+
+       AllWritten = TRUE;
+}
+
+static void GotByte(DWORD where, BYTE which)
+{
+       AllWritten = FALSE;
+
+       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();
+       }
+}
+
+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(char *file, int addr)
+{
+       ExpectedAddr = 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;
+
+                       int i;
+                       for(i = 0; i < len; i++) {
+                               while((addr+i) > ExpectedAddr) {
+                                       GotByte(ExpectedAddr, 0xff);
+                               }
+                               GotByte(addr+i, HexByte(s));
+                               s += 2;
+                       }
+               }
+       }
+
+       if(!AllWritten) FlushPrevious();
+
+       fclose(f);
+       printf("\ndone.\n");
+}
+
+int main(int argc, char **argv) {
+       unsigned int addr = 0;
+       UsbCommand c;
+
+       if (argc != 3) {
+               fprintf(stderr,"Usage: %s {bootrom|os|fpga} image.s19\n", argv[0]);
+               exit(EXIT_FAILURE);
+       }
+
+       if (!strcmp(argv[1],"bootrom")) {
+               addr = 0;
+       } else if (!strcmp(argv[1],"os")) {
+               addr = 0x10000;
+       } else if (!strcmp(argv[1],"fpga")) {
+               addr = 0x2000;
+       } else {
+               fprintf(stderr,"Unknown action '%s'!\n", argv[1]);
+               exit(EXIT_FAILURE);
+       }
+
+       usb_init();
+
+       fprintf(stderr,"Waiting for Proxmark to appear on USB...\n");
+       while(!(devh=OpenProxmark(0))) { sleep(1); }
+       fprintf(stderr,"Found...\n");
+
+       fprintf(stderr,"Entering flash-mode...\n");
+       bzero(&c, sizeof(c));
+       c.cmd = CMD_START_FLASH;
+       SendCommand(&c, FALSE);
+       CloseProxmark();
+       sleep(1);
+
+       fprintf(stderr,"Waiting for Proxmark to reappear on USB...\n");
+       while(!(devh=OpenProxmark(0))) { sleep(1); }
+       fprintf(stderr,"Found...\n");
+
+       LoadFlashFromSRecords(argv[2], addr);
+
+       bzero(&c, sizeof(c));
+       c.cmd = CMD_HARDWARE_RESET;
+       SendCommand(&c, FALSE);
+
+       CloseProxmark();
+
+       fprintf(stderr,"Have a nice day!\n");
+
+       return 0;
+}