[proxmark3-svn] / client / flasher.c

#include <usb.h>
#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"
#include "proxmark3.h"

static uint32_t ExpectedAddr;
static uint8_t QueuedToSend[256];
static bool AllWritten;
#define PHYSICAL_FLASH_START 0x100000
unsigned int current_command = CMD_UNKNOWN;

void WaitForAck(void) {
	UsbCommand ack;
	ReceiveCommand(&ack);
	if(ack.cmd != CMD_ACK) {
		printf("bad ACK\n");
		exit(-1);
	}
}

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);
		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;
}

/* Where must be between start_addr (inclusive) and end_addr (exclusive).
 */
static 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);
	}
}

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 uint8_t 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)
{
	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");
}

static 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;
}

static 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;
	}
	
#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;
}

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);
			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... ");
		}
		
		CloseProxmark();
		sleep(1);

		while(!(devh=OpenProxmark(0))) { sleep(1); }
		fprintf(stderr,"Found.\n");

		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;
}

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();

	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);

	CloseProxmark();

	fprintf(stderr,"Have a nice day!\n");

	return 0;
}
Commit	Line	Data
6658905f	1	#include <usb.h>
	2	#include <stdio.h>
	3	#include <unistd.h>
	4	#include <stdlib.h>
a146075d	5	#include <stdint.h>
a146075d	6	#include <stdbool.h>
6658905f	7	#include <strings.h>
	8	#include <string.h>
	9	#include <errno.h>
	10	#include <ctype.h>
	11
cd00aa30	12	#include "prox.h"
6658905f	13	#include "proxmark3.h"
6658905f	14
a146075d	15	static uint32_t ExpectedAddr;
	16	static uint8_t QueuedToSend[256];
	17	static bool AllWritten;
a5b1ba20	18	#define PHYSICAL_FLASH_START 0x100000
9b255608	19	unsigned int current_command = CMD_UNKNOWN;
	20
	21	void WaitForAck(void) {
	22	UsbCommand ack;
	23	ReceiveCommand(&ack);
	24	if(ack.cmd != CMD_ACK) {
	25	printf("bad ACK\n");
	26	exit(-1);
	27	}
	28	}
a5b1ba20	29
	30	struct partition {
	31	int start;
	32	int end;
	33	int precious;
	34	const char *name;
	35	};
	36	struct partition partitions[] = {
	37	{0x100000, 0x102000, 1, "bootrom"},
	38	{0x102000, 0x110000, 0, "fpga"},
	39	{0x110000, 0x140000, 0, "os"},
	40	};
	41
	42	/* If translate is set, subtract PHYSICAL_FLASH_START to translate for old
	43	* bootroms.
	44	*/
	45	static void FlushPrevious(int translate)
6658905f	46	{
	47	UsbCommand c;
	48	memset(&c, 0, sizeof(c));
	49
	50	printf("expected = %08x flush, ", ExpectedAddr);
	51
	52	int i;
	53	for(i = 0; i < 240; i += 48) {
	54	c.cmd = CMD_SETUP_WRITE;
	55	memcpy(c.d.asBytes, QueuedToSend+i, 48);
3a8464f0	56	c.arg[0] = (i/4);
9b255608	57	SendCommand(&c);
9b255608	58	WaitForAck();
6658905f	59	}
	60
	61	c.cmd = CMD_FINISH_WRITE;
3a8464f0	62	c.arg[0] = (ExpectedAddr-1) & (~255);
a5b1ba20	63	if(translate) {
3a8464f0	64	c.arg[0] -= PHYSICAL_FLASH_START;
a5b1ba20	65	}
3a8464f0	66	printf("c.arg[0] = %08x\r", c.arg[0]);
6658905f	67	memcpy(c.d.asBytes, QueuedToSend+240, 16);
9b255608	68	SendCommand(&c);
9b255608	69	WaitForAck();
6658905f	70
a146075d	71	AllWritten = true;
6658905f	72	}
6658905f	73
a5b1ba20	74	/* Where must be between start_addr (inclusive) and end_addr (exclusive).
a5b1ba20	75	*/
a146075d	76	static void GotByte(uint32_t where, uint8_t which, int start_addr, int end_addr, int translate)
6658905f	77	{
a146075d	78	AllWritten = false;
a5b1ba20	79
	80	if(where < start_addr \|\| where >= end_addr) {
	81	printf("bad: got byte at %08x, outside of range %08x-%08x\n", where, start_addr, end_addr);
	82	exit(-1);
	83	}
6658905f	84
	85	if(where != ExpectedAddr) {
	86	printf("bad: got at %08x, expected at %08x\n", where, ExpectedAddr);
	87	exit(-1);
	88	}
	89	QueuedToSend[where & 255] = which;
	90	ExpectedAddr++;
	91
	92	if((where & 255) == 255) {
	93	// we have completed a full page
a5b1ba20	94	FlushPrevious(translate);
6658905f	95	}
	96	}
	97
	98	static int HexVal(int c)
	99	{
	100	c = tolower(c);
	101	if(c >= '0' && c <= '9') {
	102	return c - '0';
	103	} else if(c >= 'a' && c <= 'f') {
	104	return (c - 'a') + 10;
	105	} else {
	106	printf("bad hex digit '%c'\n", c);
	107	exit(-1);
	108	}
	109	}
	110
a146075d	111	static uint8_t HexByte(char *s)
6658905f	112	{
	113	return (HexVal(s[0]) << 4) \| HexVal(s[1]);
	114	}
	115
a5b1ba20	116	static void LoadFlashFromSRecords(const char *file, int start_addr, int end_addr, int translate)
6658905f	117	{
a5b1ba20	118	ExpectedAddr = start_addr;
a5b1ba20	119
6658905f	120	FILE *f = fopen(file, "r");
	121	if(!f) {
	122	printf("couldn't open file\n");
	123	exit(-1);
	124	}
	125
	126	char line[512];
	127	while(fgets(line, sizeof(line), f)) {
	128	if(memcmp(line, "S3", 2)==0) {
	129	char *s = line + 2;
	130	int len = HexByte(s) - 5;
	131	s += 2;
	132
	133	char addrStr[9];
	134	memcpy(addrStr, s, 8);
	135	addrStr[8] = '\0';
a146075d	136	uint32_t addr;
6658905f	137	sscanf(addrStr, "%x", &addr);
6658905f	138	s += 8;
a5b1ba20	139
	140	/* Accept files that are located at PHYSICAL_FLASH_START, and files that are located at 0 */
	141	if(addr < PHYSICAL_FLASH_START)
	142	addr += PHYSICAL_FLASH_START;
6658905f	143
	144	int i;
	145	for(i = 0; i < len; i++) {
	146	while((addr+i) > ExpectedAddr) {
a5b1ba20	147	GotByte(ExpectedAddr, 0xff, start_addr, end_addr, translate);
6658905f	148	}
a5b1ba20	149	GotByte(addr+i, HexByte(s), start_addr, end_addr, translate);
6658905f	150	s += 2;
	151	}
	152	}
	153	}
	154
a5b1ba20	155	if(!AllWritten) FlushPrevious(translate);
6658905f	156
	157	fclose(f);
	158	printf("\ndone.\n");
	159	}
	160
a5b1ba20	161	static int PrepareFlash(struct partition p, const char filename, unsigned int state)
	162	{
	163	int translate = 0;
	164	if(state & DEVICE_INFO_FLAG_UNDERSTANDS_START_FLASH) {
	165	UsbCommand c;
	166	c.cmd = CMD_START_FLASH;
3a8464f0	167	c.arg[0] = p->start;
3a8464f0	168	c.arg[1] = p->end;
a5b1ba20	169
	170	/* Only send magic when flashing bootrom */
	171	if(p->precious) {
3a8464f0	172	c.arg[2] = START_FLASH_MAGIC;
a5b1ba20	173	} else {
3a8464f0	174	c.arg[2] = 0;
a5b1ba20	175	}
9b255608	176	SendCommand(&c);
9b255608	177	WaitForAck();
a5b1ba20	178	translate = 0;
6658905f	179	} else {
a5b1ba20	180	fprintf(stderr, "Warning: Your bootloader does not understand the new START_FLASH command\n");
	181	fprintf(stderr, " It is recommended that you update your bootloader\n\n");
	182	translate = 1;
6658905f	183	}
a5b1ba20	184
	185	LoadFlashFromSRecords(filename, p->start, p->end, translate);
	186	return 1;
	187	}
6658905f	188
a5b1ba20	189	static unsigned int GetProxmarkState(void)
	190	{
	191	unsigned int state = 0;
	192
	193	UsbCommand c;
	194	c.cmd = CMD_DEVICE_INFO;
9b255608	195	SendCommand(&c);
a5b1ba20	196
	197	UsbCommand resp;
	198	ReceiveCommand(&resp);
	199	/* Three cases:
	200	* 1. The old bootrom code will ignore CMD_DEVICE_INFO, but respond with an ACK
	201	* 2. The old os code will respond with CMD_DEBUG_PRINT_STRING and "unknown command"
	202	* 3. The new bootrom and os codes will respond with CMD_DEVICE_INFO and flags
	203	*/
	204
	205	switch(resp.cmd) {
	206	case CMD_ACK:
	207	state = DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM;
	208	break;
	209	case CMD_DEBUG_PRINT_STRING:
	210	state = DEVICE_INFO_FLAG_CURRENT_MODE_OS;
	211	break;
	212	case CMD_DEVICE_INFO:
3a8464f0	213	state = resp.arg[0];
a5b1ba20	214	break;
	215	default:
	216	fprintf(stderr, "Couldn't get proxmark state, bad response type: 0x%04X\n", resp.cmd);
	217	exit(-1);
	218	break;
431ae7e0	219	}
a5b1ba20	220
	221	#if 0
	222	if(state & DEVICE_INFO_FLAG_BOOTROM_PRESENT) printf("New bootrom present\n");
	223	if(state & DEVICE_INFO_FLAG_OSIMAGE_PRESENT) printf("New osimage present\n");
	224	if(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) printf("Currently in bootrom\n");
	225	if(state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) printf("Currently in OS\n");
	226	#endif
	227
	228	return state;
	229	}
431ae7e0	230
a5b1ba20	231	static unsigned int EnterFlashState(void)
	232	{
	233	unsigned int state = GetProxmarkState();
	234
	235	if(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) {
	236	/* Already in flash state, we're done. */
	237	return state;
	238	}
	239
	240	if(state & DEVICE_INFO_FLAG_CURRENT_MODE_OS) {
431ae7e0	241	fprintf(stderr,"Entering flash-mode...\n");
a5b1ba20	242	UsbCommand c;
431ae7e0	243	bzero(&c, sizeof(c));
a5b1ba20	244
	245	if( (state & DEVICE_INFO_FLAG_BOOTROM_PRESENT) && (state & DEVICE_INFO_FLAG_OSIMAGE_PRESENT) ) {
	246	/* New style handover: Send CMD_START_FLASH, which will reset the board and
	247	* enter the bootrom on the next boot.
	248	*/
	249	c.cmd = CMD_START_FLASH;
9b255608	250	SendCommand(&c);
a5b1ba20	251	fprintf(stderr,"(You don't have to do anything. Press and release the button only if you want to abort)\n");
	252	fprintf(stderr,"Waiting for Proxmark to reappear on USB... ");
	253	} else {
	254	/* Old style handover: Ask the user to press the button, then reset the board */
	255	c.cmd = CMD_HARDWARE_RESET;
9b255608	256	SendCommand(&c);
a5b1ba20	257	fprintf(stderr,"(Press and hold down button NOW if your bootloader requires it)\n");
	258	fprintf(stderr,"Waiting for Proxmark to reappear on USB... ");
	259	}
	260
431ae7e0	261	CloseProxmark();
	262	sleep(1);
	263
431ae7e0	264	while(!(devh=OpenProxmark(0))) { sleep(1); }
a5b1ba20	265	fprintf(stderr,"Found.\n");
	266
	267	return GetProxmarkState();
	268	}
	269
	270	return 0;
	271	}
	272
	273	static void usage(char **argv)
	274	{
	275	int i;
	276	fprintf(stderr, "Usage: %s areas image [image [image]]\n", argv[0]);
	277	fprintf(stderr, " areas is a comma-separated list of areas to flash, with no spaces\n");
	278	fprintf(stderr, " Known areas are:");
	279	for(i=0; i<(sizeof(partitions)/sizeof(partitions[0])); i++) {
	280	fprintf(stderr, " %s", partitions[i].name);
431ae7e0	281	}
a5b1ba20	282	fprintf(stderr, "\n");
	283	fprintf(stderr, " image is the path to the corresponding image\n\n");
	284	fprintf(stderr, "Example: %s os,fpga path/to/osimage.s19 path/to/fpgaimage.s19\n", argv[0]);
	285	}
6658905f	286
a5b1ba20	287	/* On first call, have offset = -1, length = 0; */
	288	static int find_next_area(const char str, int offset, int *length)
	289	{
	290	if(*str == '\0') return 0;
	291	if((offset >= 0) && str[offset + *length] == '\0') return 0;
	292	offset += 1 + length;
	293
	294	char next_comma = strchr(str + offset, ',');
	295	if(next_comma == NULL) {
	296	length = strlen(str) - offset;
	297	} else {
	298	length = next_comma-(str+offset);
431ae7e0	299	}
a5b1ba20	300	return 1;
a5b1ba20	301	}
6658905f	302
a5b1ba20	303	int main(int argc, char **argv) {
	304	if(argc < 2) {
	305	usage(argv);
	306	exit(-1);
	307	}
	308
	309	/* Count area arguments */
	310	int areas = 0, offset=-1, length=0;
	311	while(find_next_area(argv[1], &offset, &length)) areas++;
	312
	313	if(areas != argc - 2) {
	314	usage(argv);
	315	exit(-1);
	316	}
	317
	318	usb_init();
	319
	320	fprintf(stderr,"Waiting for Proxmark to appear on USB... ");
	321	while(!(devh=OpenProxmark(0))) { sleep(1); }
	322	fprintf(stderr,"Found.\n");
	323
	324	unsigned int state = EnterFlashState();
	325
	326	if( !(state & DEVICE_INFO_FLAG_CURRENT_MODE_BOOTROM) ) {
	327	fprintf(stderr, "Proxmark would not enter flash state, abort\n");
	328	exit(-1);
	329	}
	330
	331	offset=-1; length=0;
	332	int current_area = 0;
	333	while(find_next_area(argv[1], &offset, &length)) {
	334	int i;
	335	struct partition *p = NULL;
	336	for(i=0; i<sizeof(partitions)/sizeof(partitions[0]); i++) {
	337	if(strncmp(partitions[i].name, argv[1] + offset, length) == 0) {
	338	/* Check if the name matches the bootrom partition, and if so, require "bootrom" to
	339	* be written in full. The other names may be abbreviated.
	340	*/
	341	if(!partitions[i].precious \|\| (strlen(partitions[i].name) == length)) {
	342	p = &partitions[i];
	343	}
	344	break;
	345	}
	346	}
	347
	348	if(p == NULL) {
	349	fprintf(stderr, "Warning: area name '");
	350	fwrite(argv[1]+offset, length, 1, stderr);
	351	fprintf(stderr, "' unknown, ignored\n");
	352	} else {
	353	fprintf(stderr, "Flashing %s from %s\n", p->name, argv[2+current_area]);
	354	PrepareFlash(p, argv[2+current_area], state);
	355	}
	356	current_area++;
	357	}
	358
	359	UsbCommand c;
6658905f	360	bzero(&c, sizeof(c));
6658905f	361	c.cmd = CMD_HARDWARE_RESET;
9b255608	362	SendCommand(&c);
6658905f	363
	364	CloseProxmark();
	365
	366	fprintf(stderr,"Have a nice day!\n");
	367
	368	return 0;
	369	}