/* -*- tab-width:8 -*- */
-
+#define DEBUG 0
/*
Copyright (C) 2011 Peter Zotov <whitequark@whitequark.org>
Use of this source code is governed by a BSD-style
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 "gdb-remote.h"
-#include "stlink-hw.h"
-
-#define FLASH_BASE 0x08000000
-#define FLASH_PAGE (sl->flash_pgsz)
-#define FLASH_PAGE_MASK (~((1 << 10) - 1))
-#define FLASH_SIZE (FLASH_PAGE * 128)
-
-static const char hex[] = "0123456789abcdef";
-
-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 }
-};
+#include <signal.h>
-int serve(struct stlink* sl, int port);
-char* make_memory_map(const struct chip_params *params, uint32_t flash_size);
+#include <stlink-common.h>
-int main(int argc, char** argv) {
- if(argc != 3) {
- fprintf(stderr, "Usage: %s <port> /dev/sgX\n", argv[0]);
- return 1;
- }
+#include "gdb-remote.h"
- struct stlink *sl = stlink_quirk_open(argv[2], 0);
- if (sl == NULL)
- return 1;
+#define DEFAULT_LOGGING_LEVEL 50
+#define DEFAULT_GDB_LISTEN_PORT 4242
- if(stlink_current_mode(sl) != STLINK_DEV_DEBUG_MODE)
- stlink_enter_swd_mode(sl);
+#define STRINGIFY_inner(name) #name
+#define STRINGIFY(name) STRINGIFY_inner(name)
- uint32_t chip_id;
+#define FLASH_BASE 0x08000000
- 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);
+//Allways update the FLASH_PAGE before each use, by calling stlink_calculate_pagesize
+#define FLASH_PAGE (sl->flash_pgsz)
- printf("Chip ID is %08x.\n", chip_id);
+static const char hex[] = "0123456789abcdef";
- const struct chip_params* params = NULL;
+static const char* current_memory_map = NULL;
- for(int i = 0; i < sizeof(devices) / sizeof(devices[0]); i++) {
- if(devices[i].chip_id == (chip_id & 0xFFF)) {
- params = &devices[i];
+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(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);
-
- FLASH_PAGE = params->flash_pagesize;
-
- uint32_t flash_size;
-
- stlink_read_mem32(sl, 0x1FFFF7E0, 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);
+ 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 port = atoi(argv[1]);
- while(serve(sl, port) == 0);
+int main(int argc, char** argv) {
+ 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;
+ }
+
+ printf("Chip ID is %08x, Core ID is %08x.\n", sl->chip_id, sl->core_id);
+
+ sl->verbose=0;
+
+ current_memory_map = make_memory_map(sl);
+
+ 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;
}
+static const char* const memory_map_template_F4 =
+ "<?xml version=\"1.0\"?>"
+ "<!DOCTYPE memory-map PUBLIC \"+//IDN gnu.org//DTD GDB Memory Map V1.0//EN\""
+ " \"http://sourceware.org/gdb/gdb-memory-map.dtd\">"
+ "<memory-map>"
+ " <memory type=\"rom\" start=\"0x00000000\" length=\"0x100000\"/>" // code = sram, bootrom or flash; flash is bigger
+ " <memory type=\"ram\" start=\"0x20000000\" length=\"0x30000\"/>" // sram
+ " <memory type=\"flash\" start=\"0x08000000\" length=\"0x10000\">" //Sectors 0..3
+ " <property name=\"blocksize\">0x4000</property>" //16kB
+ " </memory>"
+ " <memory type=\"flash\" start=\"0x08010000\" length=\"0x10000\">" //Sector 4
+ " <property name=\"blocksize\">0x10000</property>" //64kB
+ " </memory>"
+ " <memory type=\"flash\" start=\"0x08020000\" length=\"0x70000\">" //Sectors 5..11
+ " <property name=\"blocksize\">0x20000</property>" //128kB
+ " </memory>"
+ " <memory type=\"ram\" start=\"0x40000000\" length=\"0x1fffffff\"/>" // peripheral regs
+ " <memory type=\"ram\" start=\"0xe0000000\" length=\"0x1fffffff\"/>" // cortex regs
+ " <memory type=\"rom\" start=\"0x1fff0000\" length=\"0x7800\"/>" // bootrom
+ " <memory type=\"rom\" start=\"0x1fffc000\" length=\"0x10\"/>" // option byte area
+ "</memory-map>";
+
static const char* const memory_map_template =
"<?xml version=\"1.0\"?>"
"<!DOCTYPE memory-map PUBLIC \"+//IDN gnu.org//DTD GDB Memory Map V1.0//EN\""
" <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);
-
+ if(sl->chip_id==STM32F4_CHIP_ID) {
+ strcpy(map, memory_map_template_F4);
+ } else {
+ snprintf(map, 4096, memory_map_template,
+ sl->flash_size,
+ sl->sram_size,
+ sl->flash_size, sl->flash_pgsz,
+ sl->sys_base, sl->sys_size);
+ }
return map;
}
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
// set trcena in debug command to turn on dwt unit
- stlink_read_mem32(sl, 0xE000EDFC, 4);
- sl->q_buf[3] |= 1;
- stlink_write_mem32(sl, 0xE000EDFC, 4);
+ stlink_write_debug32(sl, 0xE000EDFC,
+ stlink_read_debug32(sl, 0xE000EDFC) | (1<<24));
// make sure all watchpoints are cleared
- memset(sl->q_buf, 0, 4);
for(int i = 0; i < DATA_WATCH_NUM; i++) {
data_watches[i].fun = WATCHDISABLED;
- stlink_write_mem32(sl, 0xe0001028 + i * 16, 4);
+ stlink_write_debug32(sl, 0xe0001028 + i * 16, 0);
}
}
-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
data_watches[i].mask = mask;
// insert comparator address
- sl->q_buf[0] = (addr & 0xff);
- sl->q_buf[1] = ((addr >> 8) & 0xff);
- sl->q_buf[2] = ((addr >> 16) & 0xff);
- sl->q_buf[3] = ((addr >> 24) & 0xff);
-
- stlink_write_mem32(sl, 0xE0001020 + i * 16, 4);
+ stlink_write_debug32(sl, 0xE0001020 + i * 16, addr);
// insert mask
- memset(sl->q_buf, 0, 4);
- sl->q_buf[0] = mask;
- stlink_write_mem32(sl, 0xE0001024 + i * 16, 4);
+ stlink_write_debug32(sl, 0xE0001024 + i * 16, mask);
// insert function
- memset(sl->q_buf, 0, 4);
- sl->q_buf[0] = wf;
- stlink_write_mem32(sl, 0xE0001028 + i * 16, 4);
+ stlink_write_debug32(sl, 0xE0001028 + i * 16, wf);
// just to make sure the matched bit is clear !
- stlink_read_mem32(sl, 0xE0001028 + i * 16, 4);
+ stlink_read_debug32(sl, 0xE0001028 + i * 16);
return 0;
}
}
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;
printf("delete watchpoint %d addr %x\n", i, addr);
#endif
- memset(sl->q_buf, 0, 4);
data_watches[i].fun = WATCHDISABLED;
- stlink_write_mem32(sl, 0xe0001028 + i * 16, 4);
+ stlink_write_debug32(sl, 0xe0001028 + i * 16, 0);
return 0;
}
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_debug32(sl, CM3_REG_FP_CTRL, 0x03 /*KEY | ENABLE4*/);
+ printf("KARL - should read back as 0x03, not 60 02 00 00\n");
+ stlink_read_debug32(sl, CM3_REG_FP_CTRL);
- 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_debug32(sl, CM3_REG_FP_COMP0 + i * 4, 0);
}
}
-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;
if(set) brk->type |= type;
else brk->type &= ~type;
- memset(sl->q_buf, 0, 4);
-
if(brk->type == 0) {
#ifdef DEBUG
printf("clearing hw break %d\n", id);
#endif
- stlink_write_mem32(sl, 0xe0002008 + id * 4, 4);
+ stlink_write_debug32(sl, 0xe0002008 + id * 4, 0);
} else {
- sl->q_buf[0] = ( brk->addr & 0xff) | 1;
- sl->q_buf[1] = ((brk->addr >> 8) & 0xff);
- sl->q_buf[2] = ((brk->addr >> 16) & 0xff);
- sl->q_buf[3] = ((brk->addr >> 24) & 0xff) | (brk->type << 6);
+ uint32_t mask = (brk->addr) | 1 | (brk->type << 30);
#ifdef DEBUG
printf("setting hw break %d at %08x (%d)\n",
id, brk->addr, brk->type);
- printf("reg %02x %02x %02x %02x\n",
- sl->q_buf[3], sl->q_buf[2], sl->q_buf[1], sl->q_buf[0]);
+ printf("reg %08x \n",
+ mask);
#endif
- stlink_write_mem32(sl, 0xe0002008 + id * 4, 4);
+ stlink_write_debug32(sl, 0xe0002008 + id * 4, mask);
}
return 0;
static struct flash_block* flash_root;
-static int flash_add_block(stm32_addr_t addr, unsigned length,
- struct stlink* sl) {
- if(addr < FLASH_BASE || addr + length > FLASH_BASE + FLASH_SIZE) {
+static int flash_add_block(stm32_addr_t addr, unsigned length, stlink_t *sl) {
+
+ if(addr < FLASH_BASE || addr + length > FLASH_BASE + sl->flash_size) {
fprintf(stderr, "flash_add_block: incorrect bounds\n");
return -1;
}
+ stlink_calculate_pagesize(sl, addr);
if(addr % FLASH_PAGE != 0 || length % FLASH_PAGE != 0) {
fprintf(stderr, "flash_add_block: unaligned block\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.
unsigned length = fb->length;
for(stm32_addr_t page = fb->addr; page < fb->addr + fb->length; page += FLASH_PAGE) {
+
+ //Update FLASH_PAGE
+ stlink_calculate_pagesize(sl, page);
+
#ifdef DEBUG
printf("flash_do: page %08x\n", page);
#endif
- stlink_erase_flash_page(sl, page);
-
if(stlink_write_flash(sl, page, fb->data + (page - fb->addr),
length > FLASH_PAGE ? FLASH_PAGE : length) < 0)
goto error;
- }
-
+ }
}
stlink_reset(sl);
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);
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