\r
#define OUR_VID 0x9ac4\r
#define OUR_PID 0x4b8f\r
+#define bzero(b,len) (memset((b), '\0', (len)), (void) 0)\r
\r
int offline = 0;\r
HANDLE UsbHandle;\r
static DWORD ExpectedAddr;\r
static BYTE QueuedToSend[256];\r
static BOOL AllWritten;\r
-\r
-static void FlushPrevious(void)\r
+#define PHYSICAL_FLASH_START 0x100000\r
+\r
+struct partition {\r
+ int start;\r
+ int end;\r
+ int precious;\r
+ const char *name;\r
+};\r
+struct partition partitions[] = {\r
+ {0x100000, 0x102000, 1, "bootrom"},\r
+ {0x102000, 0x110000, 0, "fpga"},\r
+ {0x110000, 0x140000, 0, "os"},\r
+};\r
+\r
+/* If translate is set, subtract PHYSICAL_FLASH_START to translate for old\r
+ * bootroms.\r
+ */\r
+static void FlushPrevious(int translate)\r
{\r
UsbCommand c;\r
memset(&c, 0, sizeof(c));\r
\r
+// printf("expected = %08x flush, ", ExpectedAddr);\r
+\r
int i;\r
for(i = 0; i < 240; i += 48) {\r
c.cmd = CMD_SETUP_WRITE;\r
\r
c.cmd = CMD_FINISH_WRITE;\r
c.ext1 = (ExpectedAddr-1) & (~255);\r
+ if(translate) {\r
+ c.ext1 -= PHYSICAL_FLASH_START;\r
+ }\r
printf("Flashing address: %08x\r", c.ext1);\r
memcpy(c.d.asBytes, QueuedToSend+240, 16);\r
SendCommand(&c, TRUE);\r
AllWritten = TRUE;\r
}\r
\r
-static void GotByte(DWORD where, BYTE which)\r
+/* Where must be between start_addr (inclusive) and end_addr (exclusive).\r
+ */\r
+static void GotByte(int where, BYTE which, int start_addr, int end_addr, int translate)\r
{\r
AllWritten = FALSE;\r
\r
+ if(where < start_addr || where >= end_addr) {\r
+ printf("bad: got byte at %08x, outside of range %08x-%08x\n", where, start_addr, end_addr);\r
+ exit(-1);\r
+ }\r
+\r
if(where != ExpectedAddr) {\r
printf("bad: got at %08x, expected at %08x\n", where, ExpectedAddr);\r
exit(-1);\r
\r
if((where & 255) == 255) {\r
// we have completed a full page\r
- FlushPrevious();\r
+ FlushPrevious(translate);\r
}\r
}\r
\r
return (HexVal(s[0]) << 4) | HexVal(s[1]);\r
}\r
\r
-static void LoadFlashFromSRecords(char *file, int addr)\r
+static void LoadFlashFromSRecords(const char *file, int start_addr, int end_addr, int translate)\r
{\r
- ExpectedAddr = addr;\r
+ ExpectedAddr = start_addr;\r
\r
FILE *f = fopen(file, "r");\r
if(!f) {\r
sscanf(addrStr, "%x", &addr);\r
s += 8;\r
\r
+ /* Accept files that are located at PHYSICAL_FLASH_START, and files that are located at 0 */\r
+ if(addr < PHYSICAL_FLASH_START)\r
+ addr += PHYSICAL_FLASH_START;\r
+\r
int i;\r
for(i = 0; i < len; i++) {\r
while((addr+i) > ExpectedAddr) {\r
- GotByte(ExpectedAddr, 0xff);\r
+ GotByte(ExpectedAddr, 0xff, start_addr, end_addr, translate);\r
}\r
- GotByte(addr+i, HexByte(s));\r
+ GotByte(addr+i, HexByte(s), start_addr, end_addr, translate);\r
s += 2;\r
}\r
}\r
}\r
\r
- if(!AllWritten) FlushPrevious();\r
+ if(!AllWritten) FlushPrevious(translate);\r
\r
fclose(f);\r
printf("\ndone.\n");\r
}\r
\r
+static int PrepareFlash(struct partition *p, const char *filename, unsigned int state)\r
+{\r
+ int translate = 0;\r
+ if(state & DEVICE_INFO_FLAG_UNDERSTANDS_START_FLASH) {\r
+ UsbCommand c;\r
+ c.cmd = CMD_START_FLASH;\r
+ c.ext1 = p->start;\r
+ c.ext2 = p->end;\r
+\r
+ /* Only send magic when flashing bootrom */\r
+ if(p->precious) {\r
+ c.ext3 = START_FLASH_MAGIC;\r
+ } else {\r
+ c.ext3 = 0;\r
+ }\r
+ SendCommand(&c, TRUE);\r
+ translate = 0;\r
+ } else {\r
+ fprintf(stderr, "Warning: Your bootloader does not understand the new START_FLASH command\n");\r
+ fprintf(stderr, " It is recommended that you update your bootloader\n\n");\r
+ translate = 1;\r
+ }\r
+\r
+ LoadFlashFromSRecords(filename, p->start, p->end, translate);\r
+ return 1;\r
+}\r
+\r
+static unsigned int GetProxmarkState(void)\r
+{\r
+ unsigned int state = 0;\r
+\r
+ UsbCommand c;\r
+ c.cmd = CMD_DEVICE_INFO;\r
+ SendCommand(&c, FALSE);\r
+\r
+ UsbCommand resp;\r
+ ReceiveCommand(&resp);\r
+ /* Three cases:\r
+ * 1. The old bootrom code will ignore CMD_DEVICE_INFO, but respond with an ACK\r
+ * 2. The old os code will respond with CMD_DEBUG_PRINT_STRING and "unknown command"\r
+ * 3. The new bootrom and os codes will respond with CMD_DEVICE_INFO and flags\r
+ */\r
+\r
+ switch(resp.cmd) {\r
+ case CMD_ACK:\r
+ state = DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM;\r
+ break;\r
+ case CMD_DEBUG_PRINT_STRING:\r
+ state = DEVICE_INFO_FLAG_CURRENT_MODE_OS;\r
+ break;\r
+ case CMD_DEVICE_INFO:\r
+ state = resp.ext1;\r
+ break;\r
+ default:\r
+ fprintf(stderr, "Couldn't get proxmark state, bad response type: 0x%04X\n", resp.cmd);\r
+ exit(-1);\r
+ break;\r
+ }\r
+\r
+#if 0\r
+ if(state & DEVICE_INFO_FLAG_BOOTROM_PRESENT) printf("New bootrom present\n");\r
+ if(state & DEVICE_INFO_FLAG_OSIMAGE_PRESENT) printf("New osimage present\n");\r
+ if(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) printf("Currently in bootrom\n");\r
+ if(state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) printf("Currently in OS\n");\r
+#endif\r
+\r
+ return state;\r
+}\r
+\r
+static unsigned int EnterFlashState(void)\r
+{\r
+ unsigned int state = GetProxmarkState();\r
+\r
+ if(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) {\r
+ /* Already in flash state, we're done. */\r
+ return state;\r
+ }\r
+\r
+ if(state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) {\r
+ fprintf(stderr,"Entering flash-mode...\n");\r
+ UsbCommand c;\r
+ bzero(&c, sizeof(c));\r
+\r
+ if( (state & DEVICE_INFO_FLAG_BOOTROM_PRESENT) && (state & DEVICE_INFO_FLAG_OSIMAGE_PRESENT) ) {\r
+ /* New style handover: Send CMD_START_FLASH, which will reset the board and\r
+ * enter the bootrom on the next boot.\r
+ */\r
+ c.cmd = CMD_START_FLASH;\r
+ SendCommand(&c, FALSE);\r
+ fprintf(stderr,"(You don't have to do anything. Press and release the button only if you want to abort)\n");\r
+ fprintf(stderr,"Waiting for Proxmark to reappear on USB... ");\r
+ } else {\r
+ /* Old style handover: Ask the user to press the button, then reset the board */\r
+ c.cmd = CMD_HARDWARE_RESET;\r
+ SendCommand(&c, FALSE);\r
+ fprintf(stderr,"(Press and hold down button NOW if your bootloader requires it)\n");\r
+ fprintf(stderr,"Waiting for Proxmark to reappear on USB... ");\r
+ }\r
+\r
+\r
+ Sleep(1000);\r
+\r
+ while(!UsbConnect()) { Sleep(1000); }\r
+ fprintf(stderr,"Found.\n");\r
+\r
+ return GetProxmarkState();\r
+ }\r
+\r
+ return 0;\r
+}\r
+\r
+static void usage(char **argv)\r
+{\r
+ int i;\r
+ printf("Usage: %s gui\n", argv[0]);\r
+ printf(" %s offline\n", argv[0]);\r
+ printf(" %s areas file.s19\n", argv[0]);\r
+ printf(" Known areas are:");\r
+ for(i=0; i<(sizeof(partitions)/sizeof(partitions[0])); i++) {\r
+ fprintf(stderr, " %s", partitions[i].name);\r
+ }\r
+\r
+ printf("\n");\r
+}\r
+\r
+/* On first call, have *offset = -1, *length = 0; */\r
+static int find_next_area(char *str, int *offset, int *length)\r
+{\r
+ if(*str == '\0') return 0;\r
+ if((*offset >= 0) && str[*offset + *length] == '\0') return 0;\r
+ *offset += 1 + *length;\r
+\r
+ char *next_comma = strchr(str + *offset, ',');\r
+ if(next_comma == NULL) {\r
+ *length = strlen(str) - *offset;\r
+ } else {\r
+ *length = next_comma-(str+*offset);\r
+ }\r
+ return 1;\r
+}\r
+\r
int main(int argc, char **argv)\r
{\r
int i = 0;\r
- \r
+\r
if(argc < 2) {\r
- printf("Usage: %s bootrom file.s19\n", argv[0]);\r
- printf(" %s load osimage.s19\n", argv[0]);\r
- printf(" %s fpga fpgaimg.s19\n", argv[0]);\r
- printf(" %s gui\n", argv[0]);\r
- printf(" %s offline\n", argv[0]);\r
- return -1;\r
+ usage(argv);\r
+ exit(-1);\r
}\r
- \r
+\r
// Only do this if NOT in offline mode\r
if (strcmp(argv[1], "offline"))\r
{\r
Sleep(5);\r
}\r
}\r
- \r
- if(strcmp(argv[1], "bootrom")==0 || strcmp(argv[1], "load")==0 || strcmp(argv[1], "fpga")==0) {\r
- if(argc != 3) {\r
- printf("Need filename.\n");\r
- return -1;\r
- }\r
- if(strcmp(argv[1], "bootrom")==0) {\r
- LoadFlashFromSRecords(argv[2], 0);\r
- } else if(strcmp(argv[1], "fpga")==0) {\r
- LoadFlashFromSRecords(argv[2], 0x2000);\r
- } else {\r
- LoadFlashFromSRecords(argv[2], 0x10000);\r
- }\r
- } else if(strcmp(argv[1], "gui")==0) {\r
+\r
+ if(strcmp(argv[1], "gui")==0) {\r
ShowGui();\r
} else if(strcmp(argv[1], "offline")==0) {\r
offline = 1;\r
ShowGui();\r
- } else if(strcmp(argv[1], "cmd")==0) {\r
- if(argc != 3) {\r
- printf("Need command.\n");\r
- return -1;\r
+ }\r
+\r
+ /* Count area arguments */\r
+ int areas = 0, offset=-1, length=0;\r
+ while(find_next_area(argv[1], &offset, &length)) areas++;\r
+\r
+ if(areas != argc - 2) {\r
+ usage(argv);\r
+ exit(-1);\r
+ }\r
+\r
+ unsigned int state = EnterFlashState();\r
+\r
+ if( !(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) ) {\r
+ fprintf(stderr, "Proxmark would not enter flash state, abort\n");\r
+ exit(-1);\r
+ }\r
+\r
+ offset=-1; length=0;\r
+ int current_area = 0;\r
+ while(find_next_area(argv[1], &offset, &length)) {\r
+ int i;\r
+ struct partition *p = NULL;\r
+ for(i=0; i<sizeof(partitions)/sizeof(partitions[0]); i++) {\r
+ if(strncmp(partitions[i].name, argv[1] + offset, length) == 0) {\r
+ /* Check if the name matches the bootrom partition, and if so, require "bootrom" to\r
+ * be written in full. The other names may be abbreviated.\r
+ */\r
+ if(!partitions[i].precious || (strlen(partitions[i].name) == length)) {\r
+ p = &partitions[i];\r
+ }\r
+ break;\r
+ }\r
}\r
- ExecCmd(argv[2]);\r
- } else {\r
- printf("Command '%s' not recognized.\n", argv[1]);\r
- return -1;\r
+\r
+ if(p == NULL) {\r
+ fprintf(stderr, "Warning: area name '");\r
+ fwrite(argv[1]+offset, length, 1, stderr);\r
+ fprintf(stderr, "' unknown, ignored\n");\r
+ } else {\r
+ fprintf(stderr, "Flashing %s from %s\n", p->name, argv[2+current_area]);\r
+ PrepareFlash(p, argv[2+current_area], state);\r
+ }\r
+ current_area++;\r
}\r
\r
return 0;\r