/* -*- 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
#include "gdb-remote.h"
-#define DEFAULT_LOGGING_LEVEL 10
+#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
+
+//Allways update the FLASH_PAGE before each use, by calling stlink_calculate_pagesize
#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;
-/*
- * 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[] = {
- { 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, "F1 Medium-density value line device", 0x1ffff7e0,
- 0x20000, 0x400, 0x2000, 0x1ffff000, 0x800 },
- { 0x428, "F1 High-density value line device", 0x1ffff7e0,
- 0x80000, 0x800, 0x8000, 0x1ffff000, 0x800 },
- { 0x430, "F1 XL-density device", 0x1ffff7e0, // pm0068
- 0x100000, 0x800, 0x18000, 0x1fffe000, 0x1800 },
- { 0 }
-};
-
typedef struct _st_state_t {
// things from command line, bleh
int stlink_version;
int serve(stlink_t *sl, int port);
-char* make_memory_map(const struct chip_params *params, uint32_t flash_size);
+char* make_memory_map(stlink_t *sl);
int parse_options(int argc, char** argv, st_state_t *st) {
break;
case 'd':
if (strlen(optarg) > sizeof (st->devicename)) {
- fprintf(stderr, "device name too long: %ld\n", strlen(optarg));
+ fprintf(stderr, "device name too long: %zd\n", strlen(optarg));
} else {
strcpy(st->devicename, optarg);
}
memset(&state, 0, sizeof(state));
// set defaults...
state.stlink_version = 2;
- state.logging_level = 10;
+ state.logging_level = DEFAULT_LOGGING_LEVEL;
state.listen_port = DEFAULT_GDB_LISTEN_PORT;
parse_options(argc, argv, &state);
switch (state.stlink_version) {
if(sl == NULL) return 1;
break;
case 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_v1_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_v1_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_v1_open(state.devicename, state.logging_level);
- }
+ sl = stlink_v1_open(state.logging_level);
+ if(sl == NULL) return 1;
break;
- }
-
- 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);
- }
-
- uint32_t chip_id = stlink_chip_id(sl);
- uint32_t core_id = stlink_core_id(sl);
-
- /* 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, Core ID is %08x.\n", chip_id, core_id);
-
- 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];
- 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;
+ }
+
+ printf("Chip ID is %08x, Core ID is %08x.\n", sl->chip_id, sl->core_id);
- stlink_read_mem32(sl, params->flash_size_reg, 4);
- flash_size = sl->q_buf[0] | (sl->q_buf[1] << 8);
+ sl->verbose=0;
- 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);
+ current_memory_map = make_memory_map(sl);
while(serve(sl, state.listen_port) == 0);
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;
}
static struct flash_block* flash_root;
-static int flash_add_block(stm32_addr_t addr, unsigned length,
- stlink_t *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;
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);