-/* -*- tab-width:8 -*- */
-
/*
- 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.
-*/
+ * 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 <signal.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
+#include <signal.h>
#include <unistd.h>
#include <sys/types.h>
+#ifdef __MINGW32__
+#include "mingw.h"
+#else
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
-#include <signal.h>
+#endif
#include <stlink-common.h>
+#include <uglylogging.h>
#include "gdb-remote.h"
+#include "gdb-server.h"
#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)
-volatile int do_exit = 0;
-void ctrl_c(int sig)
-{
- do_exit = 1;
-}
+stlink_t *connected_stlink = NULL;
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)
- */
+typedef struct _st_state_t {
+ // things from command line, bleh
+ int stlink_version;
+ int logging_level;
+ int listen_port;
+ int persistent;
+ int reset;
+} st_state_t;
-#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 }
-};
-int serve(stlink_t *sl, int port);
-char* make_memory_map(const struct chip_params *params, uint32_t flash_size);
+int serve(stlink_t *sl, st_state_t *st);
+char* make_memory_map(stlink_t *sl);
-int main(int argc, char** argv) {
+static void cleanup(int signal __attribute__((unused))) {
+ if (connected_stlink) {
+ /* Switch back to mass storage mode before closing. */
+ stlink_run(connected_stlink);
+ stlink_exit_debug_mode(connected_stlink);
+ stlink_close(connected_stlink);
+ }
- stlink_t *sl = NULL;
- int port = 0;
-
- const char * HelpStr = "\nUsage:\n"
- "\tst-util [Arguments]\n"
- "\tArguments (no more than 2):\n"
- "\t\t<Port>: Port. Default: 4242.\n"
- "\t\t{usb|sgauto|/dev/sgX}: Transport, "
- "where X = {0, 1, 2, ...}. Default: USB.\n"
- "\tExamples:\n"
- "\t\tst-util 1234\n"
- "\t\tst-util sgauto\n"
- "\t\tst-util 1234 usb\n"
- "\t\tst-util /dev/sgX 1234\n"
- "\t\tst-util 1234 /dev/sgX\n";
-
-
- // Parsing the arguments of command line ...
-
- if (argc == 1 || argc > 3) {
- fprintf(stderr, HelpStr, NULL);
- return 1;
- }
-
- for(int a = 1; a < argc; a++) {
-
- // Port
- int p = atoi(argv[a]);
- if (p < 0 || p > 0xFFFF) {
- fprintf(stderr, "Invalid port\n");
- fprintf(stderr, HelpStr, NULL);
- return 1;
- }
- if (p > 0 && port == 0) {port = p; continue;}
-
- // if (p == 0) ...
-
- if (sl != NULL) {
- fprintf(stderr, "Invalid argumets\n");
- fprintf(stderr, HelpStr, NULL);
- return 1;
- }
-
- // usb
- if (!strcmp(argv[a], "usb")) {
- sl = stlink_open_usb(10);
- if(sl == NULL) return 1;
- continue;
- }
+ exit(1);
+}
- // /dev/sgX
- if (!strncmp(argv[a], "/dev/sgX", 7)) {
- if(!CONFIG_USE_LIBSG) {
- fprintf(stderr, "libsg not use\n");
- return 1;
- }
- sl = stlink_quirk_open(argv[a], 0);
- if(sl == NULL) return 1;
- continue;
- }
- // sg_auto
- if (!strcmp(argv[a], "sgauto")) {
- if(!CONFIG_USE_LIBSG) {
- fprintf(stderr, "libsg not use\n");
- return 1;
- }
- // Search ST-LINK (from /dev/sg0 to /dev/sg99)
- for(int DevNum = 0; DevNum <= 99; DevNum++)
- {
- if(DevNum < 10) {
- char DevName[] = "/dev/sgX";
- DevName[7] = DevNum + '0';
- if ( !access(DevName, F_OK) )
- sl = stlink_quirk_open(DevName, 0);
- }
- else {
- char DevName[] = "/dev/sgXY";
- DevName[7] = DevNum/10 + '0';
- DevName[8] = DevNum%10 + '0';
- if ( !access(DevName, F_OK) )
- sl = stlink_quirk_open(DevName, 0);
- }
- if (sl != NULL) break;
+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'},
+ {"stlink_version", required_argument, NULL, 's'},
+ {"stlinkv1", no_argument, NULL, '1'},
+ {"listen_port", required_argument, NULL, 'p'},
+ {"multi", optional_argument, NULL, 'm'},
+ {"no-reset", optional_argument, NULL, 'n'},
+ {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\t\tSpecify generally verbose logging\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"
+ " -m, --multi\n"
+ "\t\t\tSet gdb server to extended mode.\n"
+ "\t\t\tst-util will continue listening for connections after disconnect.\n"
+ " -n, --no-reset\n"
+ "\t\t\tDo not reset board on connection.\n"
+ "\n"
+ "The STLINKv2 device to use can be specified in the environment\n"
+ "variable STLINK_DEVICE on the format <USB_BUS>:<USB_ADDR>.\n"
+ "\n"
+ ;
+
+
+ int option_index = 0;
+ int c;
+ int q;
+ while ((c = getopt_long(argc, argv, "hv::s:1p:mn", 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);
}
-
- if(sl == NULL) return 1;
- continue;
- }
-
- // Invalid argumets
- fprintf(stderr, "Invalid argumets\n");
- fprintf(stderr, HelpStr, NULL);
- return 1;
+ 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 '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;
+ case 'm':
+ st->persistent = 1;
+ break;
+ case 'n':
+ st->reset = 0;
+ break;
}
-
- // Default transport: USB
- if (sl == NULL) sl = stlink_open_usb(10);
- // Default port: 4242
- if (port == 0) port = 4242;
-
- // End parsing
-
-
- 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);
- }
-
- 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;
+ }
+
+ if (optind < argc) {
+ printf("non-option ARGV-elements: ");
+ while (optind < argc)
+ printf("%s ", argv[optind++]);
+ printf("\n");
+ }
+ return 0;
+}
- 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;
+int main(int argc, char** argv) {
+ int32_t voltage;
+
+ 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;
+ state.reset = 1; /* By default, reset board */
+ parse_options(argc, argv, &state);
+ switch (state.stlink_version) {
+ case 2:
+ sl = stlink_open_usb(state.logging_level, 0);
+ if(sl == NULL) return 1;
+ break;
+ case 1:
+ sl = stlink_v1_open(state.logging_level, 0);
+ if(sl == NULL) return 1;
+ break;
+ }
+
+ connected_stlink = sl;
+ signal(SIGINT, &cleanup);
+ signal(SIGTERM, &cleanup);
+
+ if (state.reset) {
+ stlink_reset(sl);
+ }
+
+ ILOG("Chip ID is %08x, Core ID is %08x.\n", sl->chip_id, sl->core_id);
+
+ voltage = stlink_target_voltage(sl);
+ if (voltage != -1) {
+ ILOG("Target voltage is %d mV.\n", voltage);
+ }
+
+ sl->verbose=0;
+
+ current_memory_map = make_memory_map(sl);
+
+#ifdef __MINGW32__
+ WSADATA wsadata;
+ if (WSAStartup(MAKEWORD(2,2),&wsadata) !=0 ) {
+ goto winsock_error;
+ }
+#endif
+
+ do {
+ if (serve(sl, &state)) {
+ sleep (1); // don't go bezurk if serve returns with error
}
- 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;
+ /* Continue */
+ stlink_run(sl);
+ } while (state.persistent);
- stlink_read_mem32(sl, params->flash_size_reg, 4);
- flash_size = sl->q_buf[0] | (sl->q_buf[1] << 8);
+#ifdef __MINGW32__
+winsock_error:
+ WSACleanup();
+#endif
- 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);
+ /* Switch back to mass storage mode before closing. */
+ stlink_exit_debug_mode(sl);
+ stlink_close(sl);
- while(serve(sl, port) == 0);
-
- /* Switch back to mass storage mode before closing. */
- stlink_run(sl);
- stlink_exit_debug_mode(sl);
- stlink_close(sl);
-
- return 0;
+ return 0;
}
+static const char* const target_description_F4 =
+ "<?xml version=\"1.0\"?>"
+ "<!DOCTYPE target SYSTEM \"gdb-target.dtd\">"
+ "<target version=\"1.0\">"
+ " <architecture>arm</architecture>"
+ " <feature name=\"org.gnu.gdb.arm.m-profile\">"
+ " <reg name=\"r0\" bitsize=\"32\"/>"
+ " <reg name=\"r1\" bitsize=\"32\"/>"
+ " <reg name=\"r2\" bitsize=\"32\"/>"
+ " <reg name=\"r3\" bitsize=\"32\"/>"
+ " <reg name=\"r4\" bitsize=\"32\"/>"
+ " <reg name=\"r5\" bitsize=\"32\"/>"
+ " <reg name=\"r6\" bitsize=\"32\"/>"
+ " <reg name=\"r7\" bitsize=\"32\"/>"
+ " <reg name=\"r8\" bitsize=\"32\"/>"
+ " <reg name=\"r9\" bitsize=\"32\"/>"
+ " <reg name=\"r10\" bitsize=\"32\"/>"
+ " <reg name=\"r11\" bitsize=\"32\"/>"
+ " <reg name=\"r12\" bitsize=\"32\"/>"
+ " <reg name=\"sp\" bitsize=\"32\" type=\"data_ptr\"/>"
+ " <reg name=\"lr\" bitsize=\"32\"/>"
+ " <reg name=\"pc\" bitsize=\"32\" type=\"code_ptr\"/>"
+ " <reg name=\"xpsr\" bitsize=\"32\" regnum=\"25\"/>"
+ " <reg name=\"msp\" bitsize=\"32\" regnum=\"26\" type=\"data_ptr\" group=\"general\" />"
+ " <reg name=\"psp\" bitsize=\"32\" regnum=\"27\" type=\"data_ptr\" group=\"general\" />"
+ " <reg name=\"control\" bitsize=\"8\" regnum=\"28\" type=\"int\" group=\"general\" />"
+ " <reg name=\"faultmask\" bitsize=\"8\" regnum=\"29\" type=\"int\" group=\"general\" />"
+ " <reg name=\"basepri\" bitsize=\"8\" regnum=\"30\" type=\"int\" group=\"general\" />"
+ " <reg name=\"primask\" bitsize=\"8\" regnum=\"31\" type=\"int\" group=\"general\" />"
+ " <reg name=\"s0\" bitsize=\"32\" regnum=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s1\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s2\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s3\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s4\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s5\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s6\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s7\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s8\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s9\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s10\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s11\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s12\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s13\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s14\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s15\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s16\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s17\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s18\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s19\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s20\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s21\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s22\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s23\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s24\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s25\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s26\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s27\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s28\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s29\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s30\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"s31\" bitsize=\"32\" type=\"float\" group=\"float\" />"
+ " <reg name=\"fpscr\" bitsize=\"32\" type=\"int\" group=\"float\" />"
+ " </feature>"
+ "</target>";
+
+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=\"0x10000000\" length=\"0x10000\"/>" // ccm ram
+ " <memory type=\"ram\" start=\"0x20000000\" length=\"0x20000\"/>" // 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=\"0xE0000\">" //Sectors 5..11
+ " <property name=\"blocksize\">0x20000</property>" //128kB
+ " </memory>"
+ " <memory type=\"ram\" start=\"0x40000000\" length=\"0x1fffffff\"/>" // peripheral regs
+ " <memory type=\"ram\" start=\"0x60000000\" length=\"0x7fffffff\"/>" // AHB3 Peripherals
+ " <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_F4_HD =
+ "<?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=\"0x10000000\" length=\"0x10000\"/>" // ccm ram
+ " <memory type=\"ram\" start=\"0x20000000\" length=\"0x40000\"/>" // sram
+ " <memory type=\"ram\" start=\"0x60000000\" length=\"0x10000000\"/>" // fmc bank 1 (nor/psram/sram)
+ " <memory type=\"ram\" start=\"0x70000000\" length=\"0x20000000\"/>" // fmc bank 2 & 3 (nand flash)
+ " <memory type=\"ram\" start=\"0x90000000\" length=\"0x10000000\"/>" // fmc bank 4 (pc card)
+ " <memory type=\"ram\" start=\"0xC0000000\" length=\"0x20000000\"/>" // fmc sdram bank 1 & 2
+ " <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=\"0xE0000\">" //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_F2 =
+ "<?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=\"0x%zx\"/>" // code = sram, bootrom or flash; flash is bigger
+ " <memory type=\"ram\" start=\"0x20000000\" length=\"0x%zx\"/>" // 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=\"0x%zx\">" //Sectors 5..
+ " <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=\"0x%08x\" length=\"0x%zx\"/>" // 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\""
- " \"http://sourceware.org/gdb/gdb-memory-map.dtd\">"
- "<memory-map>"
- " <memory type=\"rom\" start=\"0x00000000\" length=\"0x%x\"/>" // code = sram, bootrom or flash; flash is bigger
- " <memory type=\"ram\" start=\"0x20000000\" length=\"0x%x\"/>" // sram 8k
- " <memory type=\"flash\" start=\"0x08000000\" length=\"0x%x\">"
- " <property name=\"blocksize\">0x%x</property>"
- " </memory>"
- " <memory type=\"ram\" start=\"0x40000000\" length=\"0x1fffffff\"/>" // peripheral regs
- " <memory type=\"ram\" start=\"0xe0000000\" length=\"0x1fffffff\"/>" // cortex regs
- " <memory type=\"rom\" start=\"0x%08x\" length=\"0x%x\"/>" // bootrom
- " <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) {
- /* 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);
-
- return map;
+ "<?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=\"0x%zx\"/>" // code = sram, bootrom or flash; flash is bigger
+ " <memory type=\"ram\" start=\"0x20000000\" length=\"0x%zx\"/>" // sram 8k
+ " <memory type=\"flash\" start=\"0x08000000\" length=\"0x%zx\">"
+ " <property name=\"blocksize\">0x%zx</property>"
+ " </memory>"
+ " <memory type=\"ram\" start=\"0x40000000\" length=\"0x1fffffff\"/>" // peripheral regs
+ " <memory type=\"ram\" start=\"0xe0000000\" length=\"0x1fffffff\"/>" // cortex regs
+ " <memory type=\"rom\" start=\"0x%08x\" length=\"0x%zx\"/>" // bootrom
+ " <memory type=\"rom\" start=\"0x1ffff800\" length=\"0x10\"/>" // option byte area
+ "</memory-map>";
+
+char* make_memory_map(stlink_t *sl) {
+ /* This will be freed in serve() */
+ char* map = malloc(4096);
+ map[0] = '\0';
+
+ if(sl->chip_id==STM32_CHIPID_F4 || sl->chip_id==STM32_CHIPID_F446) {
+ strcpy(map, memory_map_template_F4);
+ } else if(sl->chip_id==STM32_CHIPID_F4_HD) {
+ strcpy(map, memory_map_template_F4_HD);
+ } else if(sl->chip_id==STM32_CHIPID_F2) {
+ snprintf(map, 4096, memory_map_template_F2,
+ sl->flash_size,
+ sl->sram_size,
+ sl->flash_size - 0x20000,
+ sl->sys_base, sl->sys_size);
+ } 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;
}
-/*
+/*
* DWT_COMP0 0xE0001020
* DWT_MASK0 0xE0001024
* DWT_FUNCTION0 0xE0001028
enum watchfun { WATCHDISABLED = 0, WATCHREAD = 5, WATCHWRITE = 6, WATCHACCESS = 7 };
struct code_hw_watchpoint {
- stm32_addr_t addr;
- uint8_t mask;
- enum watchfun fun;
+ stm32_addr_t addr;
+ uint8_t mask;
+ enum watchfun fun;
};
struct code_hw_watchpoint data_watches[DATA_WATCH_NUM];
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);
-
- // 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);
- }
+ DLOG("init watchpoints\n");
+
+ // set trcena in debug command to turn on dwt unit
+ stlink_write_debug32(sl, 0xE000EDFC,
+ stlink_read_debug32(sl, 0xE000EDFC) | (1<<24));
+
+ // make sure all watchpoints are cleared
+ for(int i = 0; i < DATA_WATCH_NUM; i++) {
+ data_watches[i].fun = WATCHDISABLED;
+ stlink_write_debug32(sl, 0xe0001028 + i * 16, 0);
+ }
}
-static int add_data_watchpoint(stlink_t *sl, enum watchfun wf, stm32_addr_t addr, unsigned int len)
-{
- int i = 0;
- uint32_t mask;
-
- // computer mask
- // find a free watchpoint
- // configure
-
- mask = -1;
- i = len;
- while(i) {
- i >>= 1;
- mask++;
- }
+static int add_data_watchpoint(stlink_t *sl, enum watchfun wf,
+ stm32_addr_t addr, unsigned int len) {
+ int i = 0;
+ uint32_t mask;
- if((mask != -1) && (mask < 16)) {
- for(i = 0; i < DATA_WATCH_NUM; i++) {
- // is this an empty slot ?
- if(data_watches[i].fun == WATCHDISABLED) {
- #ifdef DEBUG
- printf("insert watchpoint %d addr %x wf %u mask %u len %d\n", i, addr, wf, mask, len);
- #endif
-
- data_watches[i].fun = wf;
- data_watches[i].addr = addr;
- 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);
-
- // insert mask
- memset(sl->q_buf, 0, 4);
- sl->q_buf[0] = mask;
- stlink_write_mem32(sl, 0xE0001024 + i * 16, 4);
-
- // insert function
- memset(sl->q_buf, 0, 4);
- sl->q_buf[0] = wf;
- stlink_write_mem32(sl, 0xE0001028 + i * 16, 4);
-
- // just to make sure the matched bit is clear !
- stlink_read_mem32(sl, 0xE0001028 + i * 16, 4);
- return 0;
- }
- }
- }
+ // computer mask
+ // find a free watchpoint
+ // configure
+
+ mask = -1;
+ i = len;
+ while(i) {
+ i >>= 1;
+ mask++;
+ }
+
+ if((mask != (uint32_t)-1) && (mask < 16)) {
+ for(i = 0; i < DATA_WATCH_NUM; i++) {
+ // is this an empty slot ?
+ if(data_watches[i].fun == WATCHDISABLED) {
+ DLOG("insert watchpoint %d addr %x wf %u mask %u len %d\n", i, addr, wf, mask, len);
+
+ data_watches[i].fun = wf;
+ data_watches[i].addr = addr;
+ data_watches[i].mask = mask;
+
+ // insert comparator address
+ stlink_write_debug32(sl, 0xE0001020 + i * 16, addr);
+
+ // insert mask
+ stlink_write_debug32(sl, 0xE0001024 + i * 16, mask);
+
+ // insert function
+ stlink_write_debug32(sl, 0xE0001028 + i * 16, wf);
+
+ // just to make sure the matched bit is clear !
+ stlink_read_debug32(sl, 0xE0001028 + i * 16);
+ return 0;
+ }
+ }
+ }
- #ifdef DEBUG
- printf("failure: add watchpoints addr %x wf %u len %u\n", addr, wf, len);
- #endif
- return -1;
+ DLOG("failure: add watchpoints addr %x wf %u len %u\n", addr, wf, len);
+ return -1;
}
static int delete_data_watchpoint(stlink_t *sl, stm32_addr_t addr)
{
- int i;
+ int i;
- for(i = 0 ; i < DATA_WATCH_NUM; i++) {
- if((data_watches[i].addr == addr) && (data_watches[i].fun != WATCHDISABLED)) {
- #ifdef DEBUG
- printf("delete watchpoint %d addr %x\n", i, addr);
- #endif
+ for(i = 0 ; i < DATA_WATCH_NUM; i++) {
+ if((data_watches[i].addr == addr) && (data_watches[i].fun != WATCHDISABLED)) {
+ DLOG("delete watchpoint %d addr %x\n", i, addr);
- memset(sl->q_buf, 0, 4);
- data_watches[i].fun = WATCHDISABLED;
- stlink_write_mem32(sl, 0xe0001028 + i * 16, 4);
+ data_watches[i].fun = WATCHDISABLED;
+ stlink_write_debug32(sl, 0xe0001028 + i * 16, 0);
- return 0;
- }
- }
+ return 0;
+ }
+ }
- #ifdef DEBUG
- printf("failure: delete watchpoint addr %x\n", addr);
- #endif
+ DLOG("failure: delete watchpoint addr %x\n", addr);
- return -1;
+ return -1;
}
#define CODE_BREAK_NUM 6
+#define CODE_LIT_NUM 2
#define CODE_BREAK_LOW 0x01
#define CODE_BREAK_HIGH 0x02
struct code_hw_breakpoint {
- stm32_addr_t addr;
- int type;
+ stm32_addr_t addr;
+ int type;
};
struct code_hw_breakpoint code_breaks[CODE_BREAK_NUM];
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, 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, CM3_REG_FP_COMP0 + i * 4, 4);
- }
+ memset(sl->q_buf, 0, 4);
+ stlink_write_debug32(sl, CM3_REG_FP_CTRL, 0x03 /*KEY | ENABLE4*/);
+ unsigned int val = stlink_read_debug32(sl, CM3_REG_FP_CTRL);
+ if (((val & 3) != 1) ||
+ ((((val >> 8) & 0x70) | ((val >> 4) & 0xf)) != CODE_BREAK_NUM) ||
+ (((val >> 8) & 0xf) != CODE_LIT_NUM)){
+ ELOG("[FP_CTRL] = 0x%08x expecting 0x%08x\n", val,
+ ((CODE_BREAK_NUM & 0x70) << 8) | (CODE_LIT_NUM << 8) | ((CODE_BREAK_NUM & 0xf) << 4) | 1);
+ }
+
+
+ for(int i = 0; i < CODE_BREAK_NUM; i++) {
+ code_breaks[i].type = 0;
+ stlink_write_debug32(sl, CM3_REG_FP_COMP0 + i * 4, 0);
+ }
}
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(addr & 1) {
- fprintf(stderr, "update_code_breakpoint: unaligned address %08x\n", addr);
- return -1;
- }
-
- int id = -1;
- for(int i = 0; i < CODE_BREAK_NUM; i++) {
- if(fpb_addr == code_breaks[i].addr ||
- (set && code_breaks[i].type == 0)) {
- id = i;
- break;
- }
- }
-
- if(id == -1) {
- if(set) return -1; // Free slot not found
- else return 0; // Breakpoint is already removed
- }
+ stm32_addr_t fpb_addr = addr & ~0x3;
+ int type = addr & 0x2 ? CODE_BREAK_HIGH : CODE_BREAK_LOW;
+
+ if(addr & 1) {
+ ELOG("update_code_breakpoint: unaligned address %08x\n", addr);
+ return -1;
+ }
+
+ int id = -1;
+ for(int i = 0; i < CODE_BREAK_NUM; i++) {
+ if(fpb_addr == code_breaks[i].addr ||
+ (set && code_breaks[i].type == 0)) {
+ id = i;
+ break;
+ }
+ }
- struct code_hw_breakpoint* brk = &code_breaks[id];
+ if(id == -1) {
+ if(set) return -1; // Free slot not found
+ else return 0; // Breakpoint is already removed
+ }
- brk->addr = fpb_addr;
+ struct code_hw_breakpoint* brk = &code_breaks[id];
- if(set) brk->type |= type;
- else brk->type &= ~type;
+ brk->addr = fpb_addr;
- memset(sl->q_buf, 0, 4);
+ if(set) brk->type |= type;
+ else brk->type &= ~type;
- if(brk->type == 0) {
- #ifdef DEBUG
- printf("clearing hw break %d\n", id);
- #endif
+ if(brk->type == 0) {
+ DLOG("clearing hw break %d\n", id);
- stlink_write_mem32(sl, 0xe0002008 + id * 4, 4);
- } 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);
+ stlink_write_debug32(sl, 0xe0002008 + id * 4, 0);
+ } else {
+ 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]);
- #endif
+ DLOG("setting hw break %d at %08x (%d)\n",
+ id, brk->addr, brk->type);
+ DLOG("reg %08x \n",
+ mask);
- stlink_write_mem32(sl, 0xe0002008 + id * 4, 4);
- }
+ stlink_write_debug32(sl, 0xe0002008 + id * 4, mask);
+ }
- return 0;
+ return 0;
}
struct flash_block {
- stm32_addr_t addr;
- unsigned length;
- uint8_t* data;
+ stm32_addr_t addr;
+ unsigned length;
+ uint8_t* data;
- struct flash_block* next;
+ struct flash_block* next;
};
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) {
- fprintf(stderr, "flash_add_block: incorrect bounds\n");
- return -1;
- }
+static int flash_add_block(stm32_addr_t addr, unsigned length, stlink_t *sl) {
- if(addr % FLASH_PAGE != 0 || length % FLASH_PAGE != 0) {
- fprintf(stderr, "flash_add_block: unaligned block\n");
- return -1;
- }
+ if(addr < FLASH_BASE || addr + length > FLASH_BASE + sl->flash_size) {
+ ELOG("flash_add_block: incorrect bounds\n");
+ return -1;
+ }
- struct flash_block* new = malloc(sizeof(struct flash_block));
- new->next = flash_root;
+ stlink_calculate_pagesize(sl, addr);
+ if(addr % FLASH_PAGE != 0 || length % FLASH_PAGE != 0) {
+ ELOG("flash_add_block: unaligned block\n");
+ return -1;
+ }
- new->addr = addr;
- new->length = length;
- new->data = calloc(length, 1);
+ struct flash_block* new = malloc(sizeof(struct flash_block));
+ new->next = flash_root;
- flash_root = new;
+ new->addr = addr;
+ new->length = length;
+ new->data = calloc(length, 1);
- return 0;
+ flash_root = new;
+
+ return 0;
}
static int flash_populate(stm32_addr_t addr, uint8_t* data, unsigned length) {
- int fit_blocks = 0, fit_length = 0;
-
- for(struct flash_block* fb = flash_root; fb; fb = fb->next) {
- /* Block: ------X------Y--------
- * Data: a-----b
- * a--b
- * a-----------b
- * Block intersects with data, if:
- * a < Y && b > x
- */
-
- unsigned X = fb->addr, Y = fb->addr + fb->length;
- unsigned a = addr, b = addr + length;
- if(a < Y && b > X) {
- // from start of the block
- unsigned start = (a > X ? a : X) - X;
- unsigned end = (b > Y ? Y : b) - X;
-
- memcpy(fb->data + start, data, end - start);
-
- fit_blocks++;
- fit_length += end - start;
- }
- }
+ unsigned int fit_blocks = 0, fit_length = 0;
+
+ for(struct flash_block* fb = flash_root; fb; fb = fb->next) {
+ /* Block: ------X------Y--------
+ * Data: a-----b
+ * a--b
+ * a-----------b
+ * Block intersects with data, if:
+ * a < Y && b > x
+ */
+
+ unsigned X = fb->addr, Y = fb->addr + fb->length;
+ unsigned a = addr, b = addr + length;
+ if(a < Y && b > X) {
+ // from start of the block
+ unsigned start = (a > X ? a : X) - X;
+ unsigned end = (b > Y ? Y : b) - X;
+
+ memcpy(fb->data + start, data, end - start);
+
+ fit_blocks++;
+ fit_length += end - start;
+ }
+ }
- if(fit_blocks == 0) {
- fprintf(stderr, "Unfit data block %08x -> %04x\n", addr, length);
- return -1;
- }
+ if(fit_blocks == 0) {
+ ELOG("Unfit data block %08x -> %04x\n", addr, length);
+ return -1;
+ }
- if(fit_length != length) {
- fprintf(stderr, "warning: data block %08x -> %04x truncated to %04x\n",
- addr, length, fit_length);
- fprintf(stderr, "(this is not an error, just a GDB glitch)\n");
- }
+ if(fit_length != length) {
+ WLOG("data block %08x -> %04x truncated to %04x\n",
+ addr, length, fit_length);
+ WLOG("(this is not an error, just a GDB glitch)\n");
+ }
- return 0;
+ return 0;
}
static int flash_go(stlink_t *sl) {
- int error = -1;
+ int error = -1;
- // Some kinds of clock settings do not allow writing to flash.
- stlink_reset(sl);
+ // Some kinds of clock settings do not allow writing to flash.
+ stlink_reset(sl);
- for(struct flash_block* fb = flash_root; fb; fb = fb->next) {
- #ifdef DEBUG
- printf("flash_do: block %08x -> %04x\n", fb->addr, fb->length);
- #endif
+ for(struct flash_block* fb = flash_root; fb; fb = fb->next) {
+ DLOG("flash_do: block %08x -> %04x\n", fb->addr, fb->length);
- unsigned length = fb->length;
- for(stm32_addr_t page = fb->addr; page < fb->addr + fb->length; page += FLASH_PAGE) {
- #ifdef DEBUG
- printf("flash_do: page %08x\n", page);
- #endif
+ unsigned length = fb->length;
+ for(stm32_addr_t page = fb->addr; page < fb->addr + fb->length; page += FLASH_PAGE) {
- stlink_erase_flash_page(sl, page);
+ //Update FLASH_PAGE
+ stlink_calculate_pagesize(sl, page);
- if(stlink_write_flash(sl, page, fb->data + (page - fb->addr),
- length > FLASH_PAGE ? FLASH_PAGE : length) < 0)
- goto error;
- }
+ DLOG("flash_do: page %08x\n", page);
- }
+ if(stlink_write_flash(sl, page, fb->data + (page - fb->addr),
+ length > FLASH_PAGE ? FLASH_PAGE : length) < 0)
+ goto error;
+ }
+ }
- stlink_reset(sl);
+ stlink_reset(sl);
- error = 0;
+ error = 0;
error:
- for(struct flash_block* fb = flash_root, *next; fb; fb = next) {
- next = fb->next;
- free(fb->data);
- free(fb);
- }
+ for(struct flash_block* fb = flash_root, *next; fb; fb = next) {
+ next = fb->next;
+ free(fb->data);
+ free(fb);
+ }
- flash_root = NULL;
+ flash_root = NULL;
- return error;
+ return error;
}
-int serve(stlink_t *sl, int port) {
- int sock = socket(AF_INET, SOCK_STREAM, 0);
- if(sock < 0) {
- perror("socket");
- return 1;
- }
+int serve(stlink_t *sl, st_state_t *st) {
+ int sock = socket(AF_INET, SOCK_STREAM, 0);
+ if(sock < 0) {
+ perror("socket");
+ return 1;
+ }
+
+ unsigned int val = 1;
+ setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val));
+
+ struct sockaddr_in serv_addr;
+ memset(&serv_addr,0,sizeof(struct sockaddr_in));
+ serv_addr.sin_family = AF_INET;
+ serv_addr.sin_addr.s_addr = INADDR_ANY;
+ serv_addr.sin_port = htons(st->listen_port);
+
+ if(bind(sock, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
+ perror("bind");
+ return 1;
+ }
+
+ if(listen(sock, 5) < 0) {
+ perror("listen");
+ return 1;
+ }
+
+ ILOG("Listening at *:%d...\n", st->listen_port);
+
+ int client = accept(sock, NULL, NULL);
+ //signal (SIGINT, SIG_DFL);
+ if(client < 0) {
+ perror("accept");
+ return 1;
+ }
+
+ close(sock);
+
+ stlink_force_debug(sl);
+ if (st->reset) {
+ stlink_reset(sl);
+ }
+ init_code_breakpoints(sl);
+ init_data_watchpoints(sl);
+
+ ILOG("GDB connected.\n");
+
+ /*
+ * To allow resetting the chip from GDB it is required to
+ * emulate attaching and detaching to target.
+ */
+ unsigned int attached = 1;
+
+ while(1) {
+ char* packet;
+
+ int status = gdb_recv_packet(client, &packet);
+ if(status < 0) {
+ ELOG("cannot recv: %d\n", status);
+#ifdef __MINGW32__
+ win32_close_socket(sock);
+#endif
+ return 1;
+ }
- unsigned int val = 1;
- setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
+ DLOG("recv: %s\n", packet);
- struct sockaddr_in serv_addr = {0};
- serv_addr.sin_family = AF_INET;
- serv_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
- serv_addr.sin_port = htons(port);
+ char* reply = NULL;
+ reg regp;
- if(bind(sock, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
- perror("bind");
- return 1;
- }
+ switch(packet[0]) {
+ case 'q': {
+ if(packet[1] == 'P' || packet[1] == 'C' || packet[1] == 'L') {
+ reply = strdup("");
+ break;
+ }
- if(listen(sock, 5) < 0) {
- perror("listen");
- return 1;
- }
+ char *separator = strstr(packet, ":"), *params = "";
+ if(separator == NULL) {
+ separator = packet + strlen(packet);
+ } else {
+ params = separator + 1;
+ }
- stlink_force_debug(sl);
- stlink_reset(sl);
- init_code_breakpoints(sl);
- init_data_watchpoints(sl);
+ unsigned queryNameLength = (separator - &packet[1]);
+ char* queryName = calloc(queryNameLength + 1, 1);
+ strncpy(queryName, &packet[1], queryNameLength);
- printf("Listening at *:%d...\n", port);
+ DLOG("query: %s;%s\n", queryName, params);
- (void) signal (SIGINT, ctrl_c);
- int client = accept(sock, NULL, NULL);
- signal (SIGINT, SIG_DFL);
- if(client < 0) {
- perror("accept");
- return 1;
- }
+ if(!strcmp(queryName, "Supported")) {
+ if(sl->chip_id==STM32_CHIPID_F4 || sl->chip_id==STM32_CHIPID_F4_HD) {
+ reply = strdup("PacketSize=3fff;qXfer:memory-map:read+;qXfer:features:read+");
+ }
+ else {
+ reply = strdup("PacketSize=3fff;qXfer:memory-map:read+");
+ }
+ } else if(!strcmp(queryName, "Xfer")) {
+ char *type, *op, *__s_addr, *s_length;
+ char *tok = params;
+ char *annex __attribute__((unused));
+
+ type = strsep(&tok, ":");
+ op = strsep(&tok, ":");
+ annex = strsep(&tok, ":");
+ __s_addr = strsep(&tok, ",");
+ s_length = tok;
+
+ unsigned addr = strtoul(__s_addr, NULL, 16),
+ length = strtoul(s_length, NULL, 16);
+
+ DLOG("Xfer: type:%s;op:%s;annex:%s;addr:%d;length:%d\n",
+ type, op, annex, addr, length);
+
+ const char* data = NULL;
+
+ if(!strcmp(type, "memory-map") && !strcmp(op, "read"))
+ data = current_memory_map;
+
+ if(!strcmp(type, "features") && !strcmp(op, "read"))
+ data = target_description_F4;
+
+ if(data) {
+ unsigned data_length = strlen(data);
+ if(addr + length > data_length)
+ length = data_length - addr;
+
+ if(length == 0) {
+ reply = strdup("l");
+ } else {
+ reply = calloc(length + 2, 1);
+ reply[0] = 'm';
+ strncpy(&reply[1], data, length);
+ }
+ }
+ } else if(!strncmp(queryName, "Rcmd,",4)) {
+ // Rcmd uses the wrong separator
+ char *separator = strstr(packet, ","), *params = "";
+ if(separator == NULL) {
+ separator = packet + strlen(packet);
+ } else {
+ params = separator + 1;
+ }
- close(sock);
-
- printf("GDB connected.\n");
-
- /*
- * To allow resetting the chip from GDB it is required to
- * emulate attaching and detaching to target.
- */
- unsigned int attached = 1;
- while(1) {
- char* packet;
+ if (!strncmp(params,"726573756d65",12)) {// resume
+ DLOG("Rcmd: resume\n");
+ stlink_run(sl);
- int status = gdb_recv_packet(client, &packet);
- if(status < 0) {
- fprintf(stderr, "cannot recv: %d\n", status);
- return 1;
- }
-
- #ifdef DEBUG
- printf("recv: %s\n", packet);
- #endif
-
- char* reply = NULL;
- reg regp;
-
- switch(packet[0]) {
- case 'q': {
- if(packet[1] == 'P' || packet[1] == 'C' || packet[1] == 'L') {
- reply = strdup("");
- break;
- }
-
- char *separator = strstr(packet, ":"), *params = "";
- if(separator == NULL) {
- separator = packet + strlen(packet);
- } else {
- params = separator + 1;
- }
-
- unsigned queryNameLength = (separator - &packet[1]);
- char* queryName = calloc(queryNameLength + 1, 1);
- strncpy(queryName, &packet[1], queryNameLength);
-
- #ifdef DEBUG
- printf("query: %s;%s\n", queryName, params);
- #endif
-
- if(!strcmp(queryName, "Supported")) {
- reply = strdup("PacketSize=3fff;qXfer:memory-map:read+");
- } else if(!strcmp(queryName, "Xfer")) {
- char *type, *op, *s_addr, *s_length;
- char *tok = params;
- char *annex __attribute__((unused));
-
- type = strsep(&tok, ":");
- op = strsep(&tok, ":");
- annex = strsep(&tok, ":");
- s_addr = strsep(&tok, ",");
- s_length = tok;
-
- unsigned addr = strtoul(s_addr, NULL, 16),
- length = strtoul(s_length, NULL, 16);
-
- #ifdef DEBUG
- printf("Xfer: type:%s;op:%s;annex:%s;addr:%d;length:%d\n",
- type, op, annex, addr, length);
- #endif
-
- const char* data = NULL;
-
- if(!strcmp(type, "memory-map") && !strcmp(op, "read"))
- data = current_memory_map;
-
- if(data) {
- unsigned data_length = strlen(data);
- if(addr + length > data_length)
- length = data_length - addr;
-
- if(length == 0) {
- reply = strdup("l");
- } else {
- reply = calloc(length + 2, 1);
- reply[0] = 'm';
- strncpy(&reply[1], data, length);
- }
- }
- }
-
- if(reply == NULL)
- reply = strdup("");
-
- free(queryName);
-
- break;
- }
-
- case 'v': {
- char *params = NULL;
- char *cmdName = strtok_r(packet, ":;", ¶ms);
-
- cmdName++; // vCommand -> Command
-
- if(!strcmp(cmdName, "FlashErase")) {
- char *s_addr, *s_length;
- char *tok = params;
-
- s_addr = strsep(&tok, ",");
- s_length = tok;
-
- unsigned addr = strtoul(s_addr, NULL, 16),
- length = strtoul(s_length, NULL, 16);
-
- #ifdef DEBUG
- printf("FlashErase: addr:%08x,len:%04x\n",
- addr, length);
- #endif
-
- if(flash_add_block(addr, length, sl) < 0) {
- reply = strdup("E00");
- } else {
- reply = strdup("OK");
- }
- } else if(!strcmp(cmdName, "FlashWrite")) {
- char *s_addr, *data;
- char *tok = params;
-
- s_addr = strsep(&tok, ":");
- data = tok;
-
- unsigned addr = strtoul(s_addr, NULL, 16);
- unsigned data_length = status - (data - packet);
-
- // Length of decoded data cannot be more than
- // encoded, as escapes are removed.
- // Additional byte is reserved for alignment fix.
- uint8_t *decoded = calloc(data_length + 1, 1);
- unsigned dec_index = 0;
- for(int i = 0; i < data_length; i++) {
- if(data[i] == 0x7d) {
- i++;
- decoded[dec_index++] = data[i] ^ 0x20;
- } else {
- decoded[dec_index++] = data[i];
- }
- }
-
- // Fix alignment
- if(dec_index % 2 != 0)
- dec_index++;
-
- #ifdef DEBUG
- printf("binary packet %d -> %d\n", data_length, dec_index);
- #endif
-
- if(flash_populate(addr, decoded, dec_index) < 0) {
- reply = strdup("E00");
- } else {
- reply = strdup("OK");
- }
- } else if(!strcmp(cmdName, "FlashDone")) {
- if(flash_go(sl) < 0) {
- reply = strdup("E00");
- } else {
- reply = strdup("OK");
- }
- } else if(!strcmp(cmdName, "Kill")) {
- attached = 0;
-
- reply = strdup("OK");
- }
-
- if(reply == NULL)
- reply = strdup("");
-
- break;
- }
-
- case 'c':
- stlink_run(sl);
-
- while(1) {
- int status = gdb_check_for_interrupt(client);
- if(status < 0) {
- fprintf(stderr, "cannot check for int: %d\n", status);
- return 1;
- }
-
- if(status == 1) {
- stlink_force_debug(sl);
- break;
- }
-
- stlink_status(sl);
- if(sl->core_stat == STLINK_CORE_HALTED) {
- break;
- }
-
- usleep(100000);
- }
-
- reply = strdup("S05"); // TRAP
- break;
-
- case 's':
- stlink_step(sl);
-
- reply = strdup("S05"); // TRAP
- break;
-
- case '?':
- if(attached) {
- reply = strdup("S05"); // TRAP
- } else {
- /* Stub shall reply OK if not attached. */
- reply = strdup("OK");
- }
- break;
-
- case 'g':
- 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(regp.r[i]));
-
- break;
-
- case 'p': {
- unsigned id = strtoul(&packet[1], NULL, 16);
- unsigned myreg = 0xDEADDEAD;
-
- if(id < 16) {
- stlink_read_reg(sl, id, ®p);
- myreg = htonl(regp.r[id]);
- } else if(id == 0x19) {
- stlink_read_reg(sl, 16, ®p);
- myreg = htonl(regp.xpsr);
- } else {
- reply = strdup("E00");
- }
-
- reply = calloc(8 + 1, 1);
- sprintf(reply, "%08x", myreg);
-
- break;
- }
-
- case 'P': {
- char* s_reg = &packet[1];
- char* s_value = strstr(&packet[1], "=") + 1;
-
- unsigned reg = strtoul(s_reg, NULL, 16);
- unsigned value = strtoul(s_value, NULL, 16);
-
- if(reg < 16) {
- stlink_write_reg(sl, ntohl(value), reg);
- } else if(reg == 0x19) {
- stlink_write_reg(sl, ntohl(value), 16);
- } else {
- reply = strdup("E00");
- }
-
- if(!reply) {
- reply = strdup("OK");
- }
-
- break;
- }
-
- case 'G':
- for(int i = 0; i < 16; i++) {
- char str[9] = {0};
- strncpy(str, &packet[1 + i * 8], 8);
- uint32_t reg = strtoul(str, NULL, 16);
- stlink_write_reg(sl, ntohl(reg), i);
- }
-
- reply = strdup("OK");
- break;
-
- case 'm': {
- char* s_start = &packet[1];
- char* s_count = strstr(&packet[1], ",") + 1;
-
- stm32_addr_t start = strtoul(s_start, NULL, 16);
- unsigned count = strtoul(s_count, NULL, 16);
-
- unsigned adj_start = start % 4;
-
- stlink_read_mem32(sl, start - adj_start, (count % 4 == 0) ?
- count : count + 4 - (count % 4));
-
- reply = calloc(count * 2 + 1, 1);
- for(int i = 0; i < count; i++) {
- reply[i * 2 + 0] = hex[sl->q_buf[i + adj_start] >> 4];
- reply[i * 2 + 1] = hex[sl->q_buf[i + adj_start] & 0xf];
- }
-
- break;
- }
-
- case 'M': {
- char* s_start = &packet[1];
- char* s_count = strstr(&packet[1], ",") + 1;
- char* hexdata = strstr(packet, ":") + 1;
-
- stm32_addr_t start = strtoul(s_start, NULL, 16);
- unsigned count = strtoul(s_count, NULL, 16);
-
- for(int i = 0; i < count; i ++) {
- char hex[3] = { hexdata[i*2], hexdata[i*2+1], 0 };
- uint8_t byte = strtoul(hex, NULL, 16);
- sl->q_buf[i] = byte;
- }
-
- if((count % 4) == 0 && (start % 4) == 0) {
- stlink_write_mem32(sl, start, count);
- } else {
- stlink_write_mem8(sl, start, count);
- }
-
- reply = strdup("OK");
-
- break;
- }
-
- case 'Z': {
- char *endptr;
- stm32_addr_t addr = strtoul(&packet[3], &endptr, 16);
- stm32_addr_t len = strtoul(&endptr[1], NULL, 16);
-
- switch (packet[1]) {
- case '1':
- if(update_code_breakpoint(sl, addr, 1) < 0) {
- reply = strdup("E00");
- } else {
- reply = strdup("OK");
- }
- break;
-
- case '2': // insert write watchpoint
- case '3': // insert read watchpoint
- case '4': // insert access watchpoint
- {
- enum watchfun wf;
- if(packet[1] == '2') {
- wf = WATCHWRITE;
- } else if(packet[1] == '3') {
- wf = WATCHREAD;
- } else {
- wf = WATCHACCESS;
- if(add_data_watchpoint(sl, wf, addr, len) < 0) {
- reply = strdup("E00");
- } else {
- reply = strdup("OK");
- break;
- }
- }
- }
-
- default:
- reply = strdup("");
- }
- break;
- }
- case 'z': {
- char *endptr;
- stm32_addr_t addr = strtoul(&packet[3], &endptr, 16);
- //stm32_addr_t len = strtoul(&endptr[1], NULL, 16);
-
- switch (packet[1]) {
- case '1': // remove breakpoint
- update_code_breakpoint(sl, addr, 0);
- reply = strdup("OK");
- break;
-
- case '2' : // remove write watchpoint
- case '3' : // remove read watchpoint
- case '4' : // remove access watchpoint
- if(delete_data_watchpoint(sl, addr) < 0) {
- reply = strdup("E00");
- } else {
- reply = strdup("OK");
- break;
- }
-
- default:
- reply = strdup("");
- }
- break;
- }
-
- case '!': {
- /*
- * Enter extended mode which allows restarting.
- * We do support that always.
- */
-
- reply = strdup("OK");
-
- break;
- }
-
- case 'R': {
- /* Reset the core. */
-
- stlink_reset(sl);
- init_code_breakpoints(sl);
- init_data_watchpoints(sl);
-
- attached = 1;
-
- reply = strdup("OK");
-
- break;
- }
-
- default:
- reply = strdup("");
- }
-
- if(reply) {
- #ifdef DEBUG
- printf("send: %s\n", reply);
- #endif
-
- int result = gdb_send_packet(client, reply);
- if(result != 0) {
- fprintf(stderr, "cannot send: %d\n", result);
- return 1;
- }
-
- free(reply);
- }
-
- free(packet);
- }
+ reply = strdup("OK");
+ } else if (!strncmp(params,"68616c74",8)) { //halt
+ reply = strdup("OK");
+
+ stlink_force_debug(sl);
+
+ DLOG("Rcmd: halt\n");
+ } else if (!strncmp(params,"6a7461675f7265736574",20)) { //jtag_reset
+ reply = strdup("OK");
+
+ stlink_jtag_reset(sl, 0);
+ stlink_jtag_reset(sl, 1);
+ stlink_force_debug(sl);
+
+ DLOG("Rcmd: jtag_reset\n");
+ } else if (!strncmp(params,"7265736574",10)) { //reset
+ reply = strdup("OK");
+
+ stlink_force_debug(sl);
+ stlink_reset(sl);
+ init_code_breakpoints(sl);
+ init_data_watchpoints(sl);
+
+ DLOG("Rcmd: reset\n");
+ } else {
+ DLOG("Rcmd: %s\n", params);
+ }
+
+ }
+
+ if(reply == NULL)
+ reply = strdup("");
+
+ free(queryName);
+
+ break;
+ }
+
+ case 'v': {
+ char *params = NULL;
+ char *cmdName = strtok_r(packet, ":;", ¶ms);
+
+ cmdName++; // vCommand -> Command
+
+ if(!strcmp(cmdName, "FlashErase")) {
+ char *__s_addr, *s_length;
+ char *tok = params;
+
+ __s_addr = strsep(&tok, ",");
+ s_length = tok;
+
+ unsigned addr = strtoul(__s_addr, NULL, 16),
+ length = strtoul(s_length, NULL, 16);
+
+ DLOG("FlashErase: addr:%08x,len:%04x\n",
+ addr, length);
+
+ if(flash_add_block(addr, length, sl) < 0) {
+ reply = strdup("E00");
+ } else {
+ reply = strdup("OK");
+ }
+ } else if(!strcmp(cmdName, "FlashWrite")) {
+ char *__s_addr, *data;
+ char *tok = params;
+
+ __s_addr = strsep(&tok, ":");
+ data = tok;
+
+ unsigned addr = strtoul(__s_addr, NULL, 16);
+ unsigned data_length = status - (data - packet);
+
+ // Length of decoded data cannot be more than
+ // encoded, as escapes are removed.
+ // Additional byte is reserved for alignment fix.
+ uint8_t *decoded = calloc(data_length + 1, 1);
+ unsigned dec_index = 0;
+ for(unsigned int i = 0; i < data_length; i++) {
+ if(data[i] == 0x7d) {
+ i++;
+ decoded[dec_index++] = data[i] ^ 0x20;
+ } else {
+ decoded[dec_index++] = data[i];
+ }
+ }
+
+ // Fix alignment
+ if(dec_index % 2 != 0)
+ dec_index++;
+
+ DLOG("binary packet %d -> %d\n", data_length, dec_index);
+
+ if(flash_populate(addr, decoded, dec_index) < 0) {
+ reply = strdup("E00");
+ } else {
+ reply = strdup("OK");
+ }
+ } else if(!strcmp(cmdName, "FlashDone")) {
+ if(flash_go(sl) < 0) {
+ reply = strdup("E00");
+ } else {
+ reply = strdup("OK");
+ }
+ } else if(!strcmp(cmdName, "Kill")) {
+ attached = 0;
+
+ reply = strdup("OK");
+ }
+
+ if(reply == NULL)
+ reply = strdup("");
+
+ break;
+ }
+
+ case 'c':
+ stlink_run(sl);
+
+ while(1) {
+ int status = gdb_check_for_interrupt(client);
+ if(status < 0) {
+ ELOG("cannot check for int: %d\n", status);
+#ifdef __MINGW32__
+ win32_close_socket(sock);
+#endif
+ return 1;
+ }
+
+ if(status == 1) {
+ stlink_force_debug(sl);
+ break;
+ }
+
+ stlink_status(sl);
+ if(sl->core_stat == STLINK_CORE_HALTED) {
+ break;
+ }
+
+ usleep(100000);
+ }
+
+ reply = strdup("S05"); // TRAP
+ break;
+
+ case 's':
+ stlink_step(sl);
+
+ reply = strdup("S05"); // TRAP
+ break;
+
+ case '?':
+ if(attached) {
+ reply = strdup("S05"); // TRAP
+ } else {
+ /* Stub shall reply OK if not attached. */
+ reply = strdup("OK");
+ }
+ break;
+
+ case 'g':
+ 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(regp.r[i]));
+
+ break;
+
+ case 'p': {
+ unsigned id = strtoul(&packet[1], NULL, 16);
+ unsigned myreg = 0xDEADDEAD;
+
+ if(id < 16) {
+ stlink_read_reg(sl, id, ®p);
+ myreg = htonl(regp.r[id]);
+ } else if(id == 0x19) {
+ stlink_read_reg(sl, 16, ®p);
+ myreg = htonl(regp.xpsr);
+ } else if(id == 0x1A) {
+ stlink_read_reg(sl, 17, ®p);
+ myreg = htonl(regp.main_sp);
+ } else if(id == 0x1B) {
+ stlink_read_reg(sl, 18, ®p);
+ myreg = htonl(regp.process_sp);
+ } else if(id == 0x1C) {
+ stlink_read_unsupported_reg(sl, id, ®p);
+ myreg = htonl(regp.control);
+ } else if(id == 0x1D) {
+ stlink_read_unsupported_reg(sl, id, ®p);
+ myreg = htonl(regp.faultmask);
+ } else if(id == 0x1E) {
+ stlink_read_unsupported_reg(sl, id, ®p);
+ myreg = htonl(regp.basepri);
+ } else if(id == 0x1F) {
+ stlink_read_unsupported_reg(sl, id, ®p);
+ myreg = htonl(regp.primask);
+ } else if(id >= 0x20 && id < 0x40) {
+ stlink_read_unsupported_reg(sl, id, ®p);
+ myreg = htonl(regp.s[id-0x20]);
+ } else if(id == 0x40) {
+ stlink_read_unsupported_reg(sl, id, ®p);
+ myreg = htonl(regp.fpscr);
+ } else {
+ reply = strdup("E00");
+ }
+
+ reply = calloc(8 + 1, 1);
+ sprintf(reply, "%08x", myreg);
+
+ break;
+ }
+
+ case 'P': {
+ char* s_reg = &packet[1];
+ char* s_value = strstr(&packet[1], "=") + 1;
+
+ unsigned reg = strtoul(s_reg, NULL, 16);
+ unsigned value = strtoul(s_value, NULL, 16);
+
+ if(reg < 16) {
+ stlink_write_reg(sl, ntohl(value), reg);
+ } else if(reg == 0x19) {
+ stlink_write_reg(sl, ntohl(value), 16);
+ } else if(reg == 0x1A) {
+ stlink_write_reg(sl, ntohl(value), 17);
+ } else if(reg == 0x1B) {
+ stlink_write_reg(sl, ntohl(value), 18);
+ } else if(reg == 0x1C) {
+ stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
+ } else if(reg == 0x1D) {
+ stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
+ } else if(reg == 0x1E) {
+ stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
+ } else if(reg == 0x1F) {
+ stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
+ } else if(reg >= 0x20 && reg < 0x40) {
+ stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
+ } else if(reg == 0x40) {
+ stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
+ } else {
+ reply = strdup("E00");
+ }
+
+ if(!reply) {
+ reply = strdup("OK");
+ }
+
+ break;
+ }
+
+ case 'G':
+ for(int i = 0; i < 16; i++) {
+ char str[9] = {0};
+ strncpy(str, &packet[1 + i * 8], 8);
+ uint32_t reg = strtoul(str, NULL, 16);
+ stlink_write_reg(sl, ntohl(reg), i);
+ }
+
+ reply = strdup("OK");
+ break;
+
+ case 'm': {
+ char* s_start = &packet[1];
+ char* s_count = strstr(&packet[1], ",") + 1;
+
+ stm32_addr_t start = strtoul(s_start, NULL, 16);
+ unsigned count = strtoul(s_count, NULL, 16);
+
+ unsigned adj_start = start % 4;
+ unsigned count_rnd = (count + adj_start + 4 - 1) / 4 * 4;
+
+ stlink_read_mem32(sl, start - adj_start, count_rnd);
+
+ reply = calloc(count * 2 + 1, 1);
+ for(unsigned int i = 0; i < count; i++) {
+ reply[i * 2 + 0] = hex[sl->q_buf[i + adj_start] >> 4];
+ reply[i * 2 + 1] = hex[sl->q_buf[i + adj_start] & 0xf];
+ }
+
+ break;
+ }
+
+ case 'M': {
+ char* s_start = &packet[1];
+ char* s_count = strstr(&packet[1], ",") + 1;
+ char* hexdata = strstr(packet, ":") + 1;
+
+ stm32_addr_t start = strtoul(s_start, NULL, 16);
+ unsigned count = strtoul(s_count, NULL, 16);
+
+ if(start % 4) {
+ unsigned align_count = 4 - start % 4;
+ if (align_count > count) align_count = count;
+ for(unsigned int i = 0; i < align_count; i ++) {
+ char hex[3] = { hexdata[i*2], hexdata[i*2+1], 0 };
+ uint8_t byte = strtoul(hex, NULL, 16);
+ sl->q_buf[i] = byte;
+ }
+ stlink_write_mem8(sl, start, align_count);
+ start += align_count;
+ count -= align_count;
+ hexdata += 2*align_count;
+ }
+
+ if(count - count % 4) {
+ unsigned aligned_count = count - count % 4;
+
+ for(unsigned int i = 0; i < aligned_count; i ++) {
+ char hex[3] = { hexdata[i*2], hexdata[i*2+1], 0 };
+ uint8_t byte = strtoul(hex, NULL, 16);
+ sl->q_buf[i] = byte;
+ }
+ stlink_write_mem32(sl, start, aligned_count);
+ count -= aligned_count;
+ start += aligned_count;
+ hexdata += 2*aligned_count;
+ }
+
+ if(count) {
+ for(unsigned int i = 0; i < count; i ++) {
+ char hex[3] = { hexdata[i*2], hexdata[i*2+1], 0 };
+ uint8_t byte = strtoul(hex, NULL, 16);
+ sl->q_buf[i] = byte;
+ }
+ stlink_write_mem8(sl, start, count);
+ }
+ reply = strdup("OK");
+ break;
+ }
+
+ case 'Z': {
+ char *endptr;
+ stm32_addr_t addr = strtoul(&packet[3], &endptr, 16);
+ stm32_addr_t len = strtoul(&endptr[1], NULL, 16);
+
+ switch (packet[1]) {
+ case '1':
+ if(update_code_breakpoint(sl, addr, 1) < 0) {
+ reply = strdup("E00");
+ } else {
+ reply = strdup("OK");
+ }
+ break;
+
+ case '2': // insert write watchpoint
+ case '3': // insert read watchpoint
+ case '4': { // insert access watchpoint
+ enum watchfun wf;
+ if(packet[1] == '2') {
+ wf = WATCHWRITE;
+ } else if(packet[1] == '3') {
+ wf = WATCHREAD;
+ } else {
+ wf = WATCHACCESS;
+ }
+
+ if(add_data_watchpoint(sl, wf, addr, len) < 0) {
+ reply = strdup("E00");
+ } else {
+ reply = strdup("OK");
+ break;
+ }
+ }
+
+ default:
+ reply = strdup("");
+ }
+ break;
+ }
+ case 'z': {
+ char *endptr;
+ stm32_addr_t addr = strtoul(&packet[3], &endptr, 16);
+ //stm32_addr_t len = strtoul(&endptr[1], NULL, 16);
+
+ switch (packet[1]) {
+ case '1': // remove breakpoint
+ update_code_breakpoint(sl, addr, 0);
+ reply = strdup("OK");
+ break;
+
+ case '2' : // remove write watchpoint
+ case '3' : // remove read watchpoint
+ case '4' : // remove access watchpoint
+ if(delete_data_watchpoint(sl, addr) < 0) {
+ reply = strdup("E00");
+ } else {
+ reply = strdup("OK");
+ break;
+ }
+
+ default:
+ reply = strdup("");
+ }
+ break;
+ }
+
+ case '!': {
+ /*
+ * Enter extended mode which allows restarting.
+ * We do support that always.
+ */
+
+ /*
+ * Also, set to persistent mode
+ * to allow GDB disconnect.
+ */
+ st->persistent = 1;
+
+ reply = strdup("OK");
+
+ break;
+ }
+
+ case 'R': {
+ /* Reset the core. */
+
+ stlink_reset(sl);
+ init_code_breakpoints(sl);
+ init_data_watchpoints(sl);
+
+ attached = 1;
+
+ reply = strdup("OK");
+
+ break;
+ }
+
+ default:
+ reply = strdup("");
+ }
+
+ if(reply) {
+ DLOG("send: %s\n", reply);
+
+ int result = gdb_send_packet(client, reply);
+ if(result != 0) {
+ ELOG("cannot send: %d\n", result);
+ free(reply);
+ free(packet);
+#ifdef __MINGW32__
+ win32_close_socket(sock);
+#endif
+ return 1;
+ }
+
+ free(reply);
+ }
+
+ free(packet);
+ }
+
+#ifdef __MINGW32__
+ win32_close_socket(sock);
+#endif
- return 0;
+ return 0;
}
projects / fw / stlink / blobdiff