license that can be found in the LICENSE file.
*/
+#include <getopt.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#include <signal.h>
+
+#include <stlink-common.h>
+
#include "gdb-remote.h"
-#include "stlink-hw.h"
+
+#define DEFAULT_LOGGING_LEVEL 10
+#define DEFAULT_GDB_LISTEN_PORT 4242
+
+#define STRINGIFY_inner(name) #name
+#define STRINGIFY(name) STRINGIFY_inner(name)
#define FLASH_BASE 0x08000000
#define FLASH_PAGE (sl->flash_pgsz)
#define FLASH_PAGE_MASK (~((1 << 10) - 1))
#define FLASH_SIZE (FLASH_PAGE * 128)
+volatile int do_exit = 0;
+void ctrl_c(int sig)
+{
+ do_exit = 1;
+}
+
static const char hex[] = "0123456789abcdef";
static const char* current_memory_map = NULL;
+/*
+ * Chip IDs are explained in the appropriate programming manual for the
+ * DBGMCU_IDCODE register (0xE0042000)
+ */
+
+#define CORE_M3_R1 0x1BA00477
+#define CORE_M3_R2 0x4BA00477
+#define CORE_M4_R0 0x2BA01477
+
struct chip_params {
uint32_t chip_id;
char* description;
+ uint32_t flash_size_reg;
uint32_t max_flash_size, flash_pagesize;
uint32_t sram_size;
uint32_t bootrom_base, bootrom_size;
} const devices[] = {
- { 0x412, "Low-density device",
- 0x8000, 0x400, 0x2800, 0x1ffff000, 0x800 },
- { 0x410, "Medium-density device",
- 0x20000, 0x400, 0x5000, 0x1ffff000, 0x800 },
- { 0x414, "High-density device",
- 0x80000, 0x800, 0x10000, 0x1ffff000, 0x800 },
- { 0x418, "Connectivity line device",
+ { 0x410, "F1 Medium-density device", 0x1ffff7e0,
+ 0x20000, 0x400, 0x5000, 0x1ffff000, 0x800 }, // table 2, pm0063
+ { 0x411, "F2 device", 0, /* No flash size register found in the docs*/
+ 0x100000, 0x20000, 0x20000, 0x1fff0000, 0x7800 }, // table 1, pm0059
+ { 0x412, "F1 Low-density device", 0x1ffff7e0,
+ 0x8000, 0x400, 0x2800, 0x1ffff000, 0x800 }, // table 1, pm0063
+ { 0x413, "F4 device", 0x1FFF7A10,
+ 0x100000, 0x20000, 0x30000, 0x1fff0000, 0x7800 }, // table 1, pm0081
+ { 0x414, "F1 High-density device", 0x1ffff7e0,
+ 0x80000, 0x800, 0x10000, 0x1ffff000, 0x800 }, // table 3 pm0063
+ // This ignores the EEPROM! (and uses the page erase size,
+ // not the sector write protection...)
+ { 0x416, "L1 Med-density device", 0x1FF8004C, // table 1, pm0062
+ 0x20000, 0x100, 0x4000, 0x1ff00000, 0x1000 },
+ { 0x418, "F1 Connectivity line device", 0x1ffff7e0,
0x40000, 0x800, 0x10000, 0x1fffb000, 0x4800 },
- { 0x420, "Medium-density value line device",
+ { 0x420, "F1 Medium-density value line device", 0x1ffff7e0,
0x20000, 0x400, 0x2000, 0x1ffff000, 0x800 },
- { 0x428, "High-density value line device",
+ { 0x428, "F1 High-density value line device", 0x1ffff7e0,
0x80000, 0x800, 0x8000, 0x1ffff000, 0x800 },
- { 0x430, "XL-density device",
+ { 0x430, "F1 XL-density device", 0x1ffff7e0, // pm0068
0x100000, 0x800, 0x18000, 0x1fffe000, 0x1800 },
{ 0 }
};
-int serve(struct stlink* sl, int port);
+typedef struct _st_state_t {
+ // things from command line, bleh
+ int stlink_version;
+ // "/dev/serial/by-id/usb-FTDI_TTL232R-3V3_FTE531X6-if00-port0" is only 58 chars
+ char devicename[100];
+ int logging_level;
+ int listen_port;
+} st_state_t;
+
+
+int serve(stlink_t *sl, int port);
char* make_memory_map(const struct chip_params *params, uint32_t flash_size);
+
+int parse_options(int argc, char** argv, st_state_t *st) {
+ static struct option long_options[] = {
+ {"help", no_argument, NULL, 'h'},
+ {"verbose", optional_argument, NULL, 'v'},
+ {"device", required_argument, NULL, 'd'},
+ {"stlink_version", required_argument, NULL, 's'},
+ {"stlinkv1", no_argument, NULL, '1'},
+ {"listen_port", required_argument, NULL, 'p'},
+ {0, 0, 0, 0},
+ };
+ const char * help_str = "%s - usage:\n\n"
+ " -h, --help\t\tPrint this help\n"
+ " -vXX, --verbose=XX\tspecify a specific verbosity level (0..99)\n"
+ " -v, --verbose\tspecify generally verbose logging\n"
+ " -d <device>, --device=/dev/stlink2_1\n"
+ "\t\t\tWhere is your stlink device connected?\n"
+ " -s X, --stlink_version=X\n"
+ "\t\t\tChoose what version of stlink to use, (defaults to 2)\n"
+ " -1, --stlinkv1\tForce stlink version 1\n"
+ " -p 4242, --listen_port=1234\n"
+ "\t\t\tSet the gdb server listen port. "
+ "(default port: " STRINGIFY(DEFAULT_GDB_LISTEN_PORT) ")\n"
+ ;
+
+
+ int option_index = 0;
+ int c;
+ int q;
+ while ((c = getopt_long(argc, argv, "hv::d:s:1p:", long_options, &option_index)) != -1) {
+ switch (c) {
+ case 0:
+ printf("XXXXX Shouldn't really normally come here, only if there's no corresponding option\n");
+ printf("option %s", long_options[option_index].name);
+ if (optarg) {
+ printf(" with arg %s", optarg);
+ }
+ printf("\n");
+ break;
+ case 'h':
+ printf(help_str, argv[0]);
+ exit(EXIT_SUCCESS);
+ break;
+ case 'v':
+ if (optarg) {
+ st->logging_level = atoi(optarg);
+ } else {
+ st->logging_level = DEFAULT_LOGGING_LEVEL;
+ }
+ break;
+ case 'd':
+ if (strlen(optarg) > sizeof (st->devicename)) {
+ fprintf(stderr, "device name too long: %ld\n", strlen(optarg));
+ } else {
+ strcpy(st->devicename, optarg);
+ }
+ break;
+ case '1':
+ st->stlink_version = 1;
+ break;
+ case 's':
+ sscanf(optarg, "%i", &q);
+ if (q < 0 || q > 2) {
+ fprintf(stderr, "stlink version %d unknown!\n", q);
+ exit(EXIT_FAILURE);
+ }
+ st->stlink_version = q;
+ break;
+ case 'p':
+ sscanf(optarg, "%i", &q);
+ if (q < 0) {
+ fprintf(stderr, "Can't use a negative port to listen on: %d\n", q);
+ exit(EXIT_FAILURE);
+ }
+ st->listen_port = q;
+ break;
+ }
+ }
+
+ if (optind < argc) {
+ printf("non-option ARGV-elements: ");
+ while (optind < argc)
+ printf("%s ", argv[optind++]);
+ printf("\n");
+ }
+ return 0;
+}
+
+
int main(int argc, char** argv) {
- if(argc != 3) {
- fprintf(stderr, "Usage: %s <port> /dev/sgX\n", argv[0]);
- return 1;
+
+ stlink_t *sl = NULL;
+
+ st_state_t state;
+ memset(&state, 0, sizeof(state));
+ // set defaults...
+ state.stlink_version = 2;
+ state.logging_level = 10;
+ state.listen_port = DEFAULT_GDB_LISTEN_PORT;
+ parse_options(argc, argv, &state);
+ switch (state.stlink_version) {
+ case 2:
+ sl = stlink_open_usb(state.logging_level);
+ if(sl == NULL) return 1;
+ break;
+ case 1:
+#if (CONFIG_USE_LIBSG == 1)
+ if (strlen(state.devicename) == 0) {
+ const int DevNumMax = 99;
+ int ExistDevCount = 0;
+
+ for (int DevNum = 0; DevNum <= DevNumMax; DevNum++) {
+ if (DevNum < 10) {
+ char DevName[] = "/dev/sgX";
+ const int X_index = 7;
+ DevName[X_index] = DevNum + '0';
+ if (!access(DevName, F_OK)) {
+ sl = stlink_quirk_open(DevName, 0);
+ ExistDevCount++;
+ }
+ } else if (DevNum < 100) {
+ char DevName[] = "/dev/sgXY";
+ const int X_index = 7;
+ const int Y_index = 8;
+ DevName[X_index] = DevNum / 10 + '0';
+ DevName[Y_index] = DevNum % 10 + '0';
+ if (!access(DevName, F_OK)) {
+ sl = stlink_quirk_open(DevName, 0);
+ ExistDevCount++;
+ }
+ }
+ if (sl != NULL) break;
+ }
+
+ if (sl == NULL) {
+ fprintf(stdout, "\nNumber of /dev/sgX devices found: %i \n",
+ ExistDevCount);
+ fprintf(stderr, "ST-LINK not found\n");
+ return 1;
+ }
+ } else {
+ sl = stlink_quirk_open(state.devicename, state.logging_level);
+ }
+ break;
+#else
+ fprintf(stderr, "Support for stlink v1 disabled at build time...\n");
+ fprintf(stderr, "Perhaps you're on OSX, and we haven't finished removing the libsg deps?\n");
+ exit(EXIT_FAILURE);
+#endif
}
- struct stlink *sl = stlink_quirk_open(argv[2], 0);
- if (sl == NULL)
- return 1;
+ if (stlink_current_mode(sl) == STLINK_DEV_DFU_MODE) {
+ stlink_exit_dfu_mode(sl);
+ }
- if(stlink_current_mode(sl) != STLINK_DEV_DEBUG_MODE)
- stlink_enter_swd_mode(sl);
+ if(stlink_current_mode(sl) != STLINK_DEV_DEBUG_MODE) {
+ stlink_enter_swd_mode(sl);
+ }
- uint32_t chip_id;
+ uint32_t chip_id = stlink_chip_id(sl);
+ uint32_t core_id = stlink_core_id(sl);
- stlink_read_mem32(sl, 0xE0042000, 4);
- chip_id = sl->q_buf[0] | (sl->q_buf[1] << 8) | (sl->q_buf[2] << 16) |
- (sl->q_buf[3] << 24);
+ /* Fix chip_id for F4 */
+ if (((chip_id & 0xFFF) == 0x411) && (core_id == CORE_M4_R0)) {
+ printf("Fixing wrong chip_id for STM32F4 Rev A errata\n");
+ chip_id = 0x413;
+ }
- printf("Chip ID is %08x.\n", chip_id);
+ printf("Chip ID is %08x, Core ID is %08x.\n", chip_id, core_id);
const struct chip_params* params = NULL;
uint32_t flash_size;
- stlink_read_mem32(sl, 0x1FFFF7E0, 4);
+ stlink_read_mem32(sl, params->flash_size_reg, 4);
flash_size = sl->q_buf[0] | (sl->q_buf[1] << 8);
printf("Flash size is %d KiB.\n", flash_size);
// memory map is in 1k blocks.
current_memory_map = make_memory_map(params, flash_size * 0x400);
- int port = atoi(argv[1]);
-
- while(serve(sl, port) == 0);
+ while(serve(sl, state.listen_port) == 0);
+ /* Switch back to mass storage mode before closing. */
+ stlink_run(sl);
+ stlink_exit_debug_mode(sl);
stlink_close(sl);
return 0;
struct code_hw_watchpoint data_watches[DATA_WATCH_NUM];
-static void init_data_watchpoints(struct stlink *sl) {
- int i;
-
+static void init_data_watchpoints(stlink_t *sl) {
#ifdef DEBUG
printf("init watchpoints\n");
#endif
}
}
-static int add_data_watchpoint(struct stlink* sl, enum watchfun wf, stm32_addr_t addr, unsigned int len)
+static int add_data_watchpoint(stlink_t *sl, enum watchfun wf, stm32_addr_t addr, unsigned int len)
{
int i = 0;
- uint32_t mask, temp;
+ uint32_t mask;
// computer mask
// find a free watchpoint
return -1;
}
-static int delete_data_watchpoint(struct stlink* sl, stm32_addr_t addr)
+static int delete_data_watchpoint(stlink_t *sl, stm32_addr_t addr)
{
int i;
struct code_hw_breakpoint code_breaks[CODE_BREAK_NUM];
-static void init_code_breakpoints(struct stlink* sl) {
+static void init_code_breakpoints(stlink_t *sl) {
memset(sl->q_buf, 0, 4);
sl->q_buf[0] = 0x03; // KEY | ENABLE
- stlink_write_mem32(sl, 0xe0002000, 4);
+ stlink_write_mem32(sl, CM3_REG_FP_CTRL, 4);
+ printf("KARL - should read back as 0x03, not 60 02 00 00\n");
+ stlink_read_mem32(sl, CM3_REG_FP_CTRL, 4);
memset(sl->q_buf, 0, 4);
for(int i = 0; i < CODE_BREAK_NUM; i++) {
code_breaks[i].type = 0;
- stlink_write_mem32(sl, 0xe0002008 + i * 4, 4);
+ stlink_write_mem32(sl, CM3_REG_FP_COMP0 + i * 4, 4);
}
}
-static int update_code_breakpoint(struct stlink* sl, stm32_addr_t addr, int set) {
+static int update_code_breakpoint(stlink_t *sl, stm32_addr_t addr, int set) {
stm32_addr_t fpb_addr = addr & ~0x3;
int type = addr & 0x2 ? CODE_BREAK_HIGH : CODE_BREAK_LOW;
static struct flash_block* flash_root;
static int flash_add_block(stm32_addr_t addr, unsigned length,
- struct stlink* sl) {
+ stlink_t *sl) {
if(addr < FLASH_BASE || addr + length > FLASH_BASE + FLASH_SIZE) {
fprintf(stderr, "flash_add_block: incorrect bounds\n");
return -1;
return 0;
}
-static int flash_go(struct stlink* sl) {
+static int flash_go(stlink_t *sl) {
int error = -1;
// Some kinds of clock settings do not allow writing to flash.
return error;
}
-int serve(struct stlink* sl, int port) {
+int serve(stlink_t *sl, int port) {
int sock = socket(AF_INET, SOCK_STREAM, 0);
if(sock < 0) {
perror("socket");
printf("Listening at *:%d...\n", port);
+ (void) signal (SIGINT, ctrl_c);
int client = accept(sock, NULL, NULL);
+ signal (SIGINT, SIG_DFL);
if(client < 0) {
perror("accept");
return 1;
#endif
char* reply = NULL;
+ reg regp;
switch(packet[0]) {
case 'q': {
if(!strcmp(queryName, "Supported")) {
reply = strdup("PacketSize=3fff;qXfer:memory-map:read+");
} else if(!strcmp(queryName, "Xfer")) {
- char *type, *op, *annex, *s_addr, *s_length;
+ char *type, *op, *s_addr, *s_length;
char *tok = params;
+ char *annex __attribute__((unused));
type = strsep(&tok, ":");
op = strsep(&tok, ":");
break;
case 'g':
- stlink_read_all_regs(sl);
+ stlink_read_all_regs(sl, ®p);
reply = calloc(8 * 16 + 1, 1);
for(int i = 0; i < 16; i++)
- sprintf(&reply[i * 8], "%08x", htonl(sl->reg.r[i]));
+ sprintf(&reply[i * 8], "%08x", htonl(regp.r[i]));
break;
case 'p': {
- unsigned id = strtoul(&packet[1], NULL, 16), reg = 0xDEADDEAD;
+ unsigned id = strtoul(&packet[1], NULL, 16);
+ unsigned myreg = 0xDEADDEAD;
if(id < 16) {
- stlink_read_reg(sl, id);
- reg = htonl(sl->reg.r[id]);
+ stlink_read_reg(sl, id, ®p);
+ myreg = htonl(regp.r[id]);
} else if(id == 0x19) {
- stlink_read_reg(sl, 16);
- reg = htonl(sl->reg.xpsr);
+ stlink_read_reg(sl, 16, ®p);
+ myreg = htonl(regp.xpsr);
} else {
reply = strdup("E00");
}
reply = calloc(8 + 1, 1);
- sprintf(reply, "%08x", reg);
+ sprintf(reply, "%08x", myreg);
break;
}
case 'z': {
char *endptr;
stm32_addr_t addr = strtoul(&packet[3], &endptr, 16);
- stm32_addr_t len = strtoul(&endptr[1], NULL, 16);
+ //stm32_addr_t len = strtoul(&endptr[1], NULL, 16);
switch (packet[1]) {
case '1': // remove breakpoint
projects / fw / stlink / blobdiff