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"
+#define DEFAULT_LOGGING_LEVEL 50
+#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))
static const char* current_memory_map = NULL;
-struct chip_params {
- uint32_t chip_id;
- char* description;
- 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",
- 0x40000, 0x800, 0x10000, 0x1fffb000, 0x4800 },
- { 0x420, "Medium-density value line device",
- 0x20000, 0x400, 0x2000, 0x1ffff000, 0x800 },
- { 0x428, "High-density value line device",
- 0x80000, 0x800, 0x8000, 0x1ffff000, 0x800 },
- { 0x430, "XL-density device",
- 0x100000, 0x800, 0x18000, 0x1fffe000, 0x1800 },
- { 0 }
-};
-
-int serve(stlink_t *sl, int port);
-char* make_memory_map(const struct chip_params *params, uint32_t flash_size);
-
-int main(int argc, char** argv) {
- if(argc != 3) {
- fprintf(stderr, "Usage: %s <port> /dev/sgX\n", argv[0]);
- return 1;
- }
-
- // FIXME - hardcoded to usb....
- stlink_t *sl =stlink_open_usb(argv[2], 10);
- if (sl == NULL)
- return 1;
-
- if(stlink_current_mode(sl) != STLINK_DEV_DEBUG_MODE)
- stlink_enter_swd_mode(sl);
-
- uint32_t chip_id;
+/*
+ * Chip IDs are explained in the appropriate programming manual for the
+ * DBGMCU_IDCODE register (0xE0042000)
+ */
- 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);
+#define CORE_M3_R1 0x1BA00477
+#define CORE_M3_R2 0x4BA00477
+#define CORE_M4_R0 0x2BA01477
- printf("Chip ID is %08x.\n", chip_id);
+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;
- const struct chip_params* params = NULL;
- for(int i = 0; i < sizeof(devices) / sizeof(devices[0]); i++) {
- if(devices[i].chip_id == (chip_id & 0xFFF)) {
- params = &devices[i];
+int serve(stlink_t *sl, int port);
+char* make_memory_map(stlink_t *sl);
+
+
+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: %zd\n", strlen(optarg));
+ } else {
+ strcpy(st->devicename, optarg);
+ }
+ break;
+ case '1':
+ st->stlink_version = 1;
break;
- }
- }
-
- if(params == NULL) {
- fprintf(stderr, "Cannot recognize the connected device!\n");
- return 0;
- }
-
- printf("Device connected: %s\n", params->description);
- printf("Device parameters: SRAM: 0x%x bytes, Flash: up to 0x%x bytes in pages of 0x%x bytes\n",
- params->sram_size, params->max_flash_size, params->flash_pagesize);
+ 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;
+}
- FLASH_PAGE = params->flash_pagesize;
- uint32_t flash_size;
+int main(int argc, char** argv) {
- stlink_read_mem32(sl, 0x1FFFF7E0, 4);
- flash_size = sl->q_buf[0] | (sl->q_buf[1] << 8);
+ stlink_t *sl = NULL;
+
+ st_state_t state;
+ memset(&state, 0, sizeof(state));
+ // set defaults...
+ state.stlink_version = 2;
+ state.logging_level = DEFAULT_LOGGING_LEVEL;
+ 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:
+ sl = stlink_v1_open(state.logging_level);
+ if(sl == NULL) return 1;
+ break;
+ }
+
+ uint32_t chip_id = sl->chip_id;
+ uint32_t core_id = sl->core_id;
+
+ /* 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("Flash size is %d KiB.\n", flash_size);
- // memory map is in 1k blocks.
- current_memory_map = make_memory_map(params, flash_size * 0x400);
+ printf("Chip ID is %08x, Core ID is %08x.\n", chip_id, core_id);
- int port = atoi(argv[1]);
+ current_memory_map = make_memory_map(sl);
- 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;
" <memory type=\"rom\" start=\"0x1ffff800\" length=\"0x8\"/>" // option byte area
"</memory-map>";
-char* make_memory_map(const struct chip_params *params, uint32_t flash_size) {
+char* make_memory_map(stlink_t *sl) {
/* This will be freed in serve() */
char* map = malloc(4096);
map[0] = '\0';
snprintf(map, 4096, memory_map_template,
- flash_size,
- params->sram_size,
- flash_size, params->flash_pagesize,
- params->bootrom_base, params->bootrom_size);
+ sl->flash_size,
+ sl->sram_size,
+ sl->flash_size, sl->flash_pgsz,
+ sl->sys_base, sl->sys_size);
return map;
}
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);
}
}
printf("Listening at *:%d...\n", port);
int client = accept(sock, NULL, NULL);
+ signal (SIGINT, SIG_DFL);
if(client < 0) {
perror("accept");
return 1;
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, ":");
projects / fw / stlink / blobdiff