-/* -*- 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.
-*/
+ * 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 <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"
-
-#define DEFAULT_LOGGING_LEVEL 50
-#define DEFAULT_GDB_LISTEN_PORT 4242
-
-#define STRINGIFY_inner(name) #name
-#define STRINGIFY(name) STRINGIFY_inner(name)
+#include "gdb-server.h"
#define FLASH_BASE 0x08000000
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;
+ int listen_port;
int persistent;
int reset;
} st_state_t;
int serve(stlink_t *sl, st_state_t *st);
char* make_memory_map(stlink_t *sl);
+static void init_cache (stlink_t *sl);
-#ifndef __MINGW32__
static void cleanup(int signal __attribute__((unused))) {
if (connected_stlink) {
/* Switch back to mass storage mode before closing. */
exit(1);
}
-#endif
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'},
- {"multi", optional_argument, NULL, 'm'},
- {"no-reset", optional_argument, NULL, 'n'},
+ {"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\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"
- " -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"
- ;
+ 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::d:s:1p:mn", long_options, &option_index)) != -1) {
+ 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);
- }
- 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;
- 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;
+ 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 '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;
}
}
int main(int argc, char** argv) {
- uint32_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;
+ 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, state.reset, NULL);
+ if(sl == NULL) return 1;
+ break;
+ case 1:
+ sl = stlink_v1_open(state.logging_level, state.reset);
+ if(sl == NULL) return 1;
+ break;
}
connected_stlink = sl;
-#ifndef __MINGW32__
signal(SIGINT, &cleanup);
signal(SIGTERM, &cleanup);
-#endif
+ signal(SIGSEGV, &cleanup);
if (state.reset) {
- stlink_reset(sl);
+ stlink_reset(sl);
}
- printf("Chip ID is %08x, Core ID is %08x.\n", sl->chip_id, sl->core_id);
+ ILOG("Chip ID is %08x, Core ID is %08x.\n", sl->chip_id, sl->core_id);
- voltage = stlink_target_voltage(sl);
- if (voltage != -1) {
- printf("Target voltage is %d mV.\n", voltage);
- }
+ voltage = stlink_target_voltage(sl);
+ if (voltage != -1) {
+ ILOG("Target voltage is %d mV.\n", voltage);
+ }
- sl->verbose=0;
+ sl->verbose=0;
- current_memory_map = make_memory_map(sl);
+ current_memory_map = make_memory_map(sl);
#ifdef __MINGW32__
- WSADATA wsadata;
- if (WSAStartup(MAKEWORD(2,2),&wsadata) !=0 ) {
- goto winsock_error;
- }
+ WSADATA wsadata;
+ if (WSAStartup(MAKEWORD(2,2),&wsadata) !=0 ) {
+ goto winsock_error;
+ }
#endif
- do {
- serve(sl, &state);
+ init_cache(sl);
+
+ do {
+ if (serve(sl, &state)) {
+ sleep (1); // don't go bezurk if serve returns with error
+ }
- /* Continue */
- stlink_run(sl);
- } while (state.persistent);
+ /* Continue */
+ stlink_run(sl);
+ } while (state.persistent);
#ifdef __MINGW32__
winsock_error:
- WSACleanup();
+ WSACleanup();
#endif
- /* Switch back to mass storage mode before closing. */
- stlink_exit_debug_mode(sl);
- stlink_close(sl);
+ /* Switch back to mass storage mode before closing. */
+ stlink_exit_debug_mode(sl);
+ stlink_close(sl);
- return 0;
+ return 0;
}
static const char* const target_description_F4 =
"</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=\"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>";
+ "<?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_L4 =
+ "<?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=\"0x10000000\" length=\"0x8000\"/>" // SRAM2 (32 KB)
+ " <memory type=\"ram\" start=\"0x20000000\" length=\"0x18000\"/>" // SRAM1 (96 KB)
+ " <memory type=\"flash\" start=\"0x08000000\" length=\"0x%zx\">"
+ " <property name=\"blocksize\">0x800</property>"
+ " </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=\"0x7000\"/>" // bootrom
+ " <memory type=\"rom\" start=\"0x1fff7800\" length=\"0x10\"/>" // option byte area
+ " <memory type=\"rom\" start=\"0x1ffff800\" 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%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>";
+ "<?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>";
+
+static const char* const memory_map_template_F7 =
+ "<?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=\"ram\" start=\"0x00000000\" length=\"0x4000\"/>" // ITCM ram 16kB
+ " <memory type=\"rom\" start=\"0x00200000\" length=\"0x100000\"/>" // ITCM flash
+ " <memory type=\"ram\" start=\"0x20000000\" length=\"0x50000\"/>" // sram
+ " <memory type=\"flash\" start=\"0x08000000\" length=\"0x20000\">" // Sectors 0..3
+ " <property name=\"blocksize\">0x8000</property>" // 32kB
+ " </memory>"
+ " <memory type=\"flash\" start=\"0x08020000\" length=\"0x20000\">" // Sector 4
+ " <property name=\"blocksize\">0x20000</property>" // 128kB
+ " </memory>"
+ " <memory type=\"flash\" start=\"0x08040000\" length=\"0xC0000\">" // Sectors 5..7
+ " <property name=\"blocksize\">0x40000</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=\"0x00100000\" length=\"0xEDC0\"/>" // bootrom
+ " <memory type=\"rom\" start=\"0x1fff0000\" length=\"0x20\"/>" // 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) {
- strcpy(map, memory_map_template_F4);
+ /* 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 || sl->chip_id==STM32_CHIPID_F7) {
+ strcpy(map, memory_map_template_F7);
+ } 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 if(sl->chip_id==STM32_CHIPID_L4) {
+ snprintf(map, 4096, memory_map_template_L4,
+ sl->flash_size, sl->flash_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);
+ sl->flash_size,
+ sl->sram_size,
+ sl->flash_size, sl->flash_pgsz,
+ sl->sys_base, sl->sys_size);
}
- return map;
+ return map;
}
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) {
- #if DEBUG
- printf("init watchpoints\n");
- #endif
-
- // 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);
- }
+ uint32_t data;
+ DLOG("init watchpoints\n");
+
+ stlink_read_debug32(sl, 0xE000EDFC, &data);
+ data |= 1<<24;
+ // set trcena in debug command to turn on dwt unit
+ stlink_write_debug32(sl, 0xE000EDFC, data);
+
+ // 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, dummy;
- 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) {
- #if DEBUG
- printf("insert watchpoint %d addr %x wf %u mask %u len %d\n", i, addr, wf, mask, len);
- #endif
+ // computer mask
+ // find a free watchpoint
+ // configure
- data_watches[i].fun = wf;
- data_watches[i].addr = addr;
- data_watches[i].mask = mask;
+ mask = -1;
+ i = len;
+ while(i) {
+ i >>= 1;
+ mask++;
+ }
- // insert comparator address
- stlink_write_debug32(sl, 0xE0001020 + i * 16, addr);
+ 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);
- // insert mask
- stlink_write_debug32(sl, 0xE0001024 + i * 16, mask);
+ data_watches[i].fun = wf;
+ data_watches[i].addr = addr;
+ data_watches[i].mask = mask;
- // insert function
- stlink_write_debug32(sl, 0xE0001028 + i * 16, wf);
+ // insert comparator address
+ stlink_write_debug32(sl, 0xE0001020 + i * 16, addr);
- // just to make sure the matched bit is clear !
- stlink_read_debug32(sl, 0xE0001028 + i * 16);
- return 0;
- }
- }
- }
+ // insert mask
+ stlink_write_debug32(sl, 0xE0001024 + i * 16, mask);
+
+ // insert function
+ stlink_write_debug32(sl, 0xE0001028 + i * 16, wf);
- #if DEBUG
- printf("failure: add watchpoints addr %x wf %u len %u\n", addr, wf, len);
- #endif
- return -1;
+ // just to make sure the matched bit is clear !
+ stlink_read_debug32(sl, 0xE0001028 + i * 16, &dummy);
+ return 0;
+ }
+ }
+ }
+
+ 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)) {
- #if 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);
- data_watches[i].fun = WATCHDISABLED;
- stlink_write_debug32(sl, 0xe0001028 + i * 16, 0);
+ data_watches[i].fun = WATCHDISABLED;
+ stlink_write_debug32(sl, 0xe0001028 + i * 16, 0);
- return 0;
- }
- }
+ return 0;
+ }
+ }
- #if 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
+int code_break_num;
+int code_lit_num;
+#define CODE_BREAK_NUM_MAX 15
#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];
+struct code_hw_breakpoint code_breaks[CODE_BREAK_NUM_MAX];
static void init_code_breakpoints(stlink_t *sl) {
- memset(sl->q_buf, 0, 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);
-
- 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);
- }
+ unsigned int val;
+ memset(sl->q_buf, 0, 4);
+ stlink_write_debug32(sl, CM3_REG_FP_CTRL, 0x03 /*KEY | ENABLE4*/);
+ stlink_read_debug32(sl, CM3_REG_FP_CTRL, &val);
+ code_break_num = ((val >> 4) & 0xf);
+ code_lit_num = ((val >> 8) & 0xf);
+
+ ILOG("Found %i hw breakpoint registers\n", code_break_num);
+
+ 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;
+ stm32_addr_t fpb_addr;
+ uint32_t mask;
+ 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;
- }
+ 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;
- }
+ if (sl->chip_id==STM32_CHIPID_F7) {
+ fpb_addr = addr;
+ } else {
+ fpb_addr = addr & ~0x3;
}
- if(id == -1) {
- if(set) return -1; // Free slot not found
- else return 0; // Breakpoint is already removed
- }
+ 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;
- if(brk->type == 0) {
- #if DEBUG
- printf("clearing hw break %d\n", id);
- #endif
+ if (sl->chip_id==STM32_CHIPID_F7) {
+ if(set) brk->type = type;
+ else brk->type = 0;
- stlink_write_debug32(sl, 0xe0002008 + id * 4, 0);
+ mask = (brk->addr) | 1;
} else {
- uint32_t mask = (brk->addr) | 1 | (brk->type << 30);
+ if(set) brk->type |= type;
+ else brk->type &= ~type;
- #if DEBUG
- printf("setting hw break %d at %08x (%d)\n",
- id, brk->addr, brk->type);
- printf("reg %08x \n",
- mask);
- #endif
-
- stlink_write_debug32(sl, 0xe0002008 + id * 4, mask);
+ mask = (brk->addr) | 1 | (brk->type << 30);
}
- return 0;
+ if(brk->type == 0) {
+ DLOG("clearing hw break %d\n", id);
+
+ stlink_write_debug32(sl, 0xe0002008 + id * 4, 0);
+ } else {
+ DLOG("setting hw break %d at %08x (%d)\n",
+ id, brk->addr, brk->type);
+ DLOG("reg %08x \n",
+ mask);
+
+ stlink_write_debug32(sl, 0xe0002008 + id * 4, mask);
+ }
+
+ 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 + sl->flash_size) {
- fprintf(stderr, "flash_add_block: incorrect bounds\n");
- return -1;
- }
+ if(addr < FLASH_BASE || addr + length > FLASH_BASE + sl->flash_size) {
+ ELOG("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;
- }
+ stlink_calculate_pagesize(sl, addr);
+ if(addr % FLASH_PAGE != 0 || length % FLASH_PAGE != 0) {
+ ELOG("flash_add_block: unaligned block\n");
+ return -1;
+ }
- struct flash_block* new = malloc(sizeof(struct flash_block));
- new->next = flash_root;
+ struct flash_block* new = malloc(sizeof(struct flash_block));
+ new->next = flash_root;
- new->addr = addr;
- new->length = length;
- new->data = calloc(length, 1);
+ new->addr = addr;
+ new->length = length;
+ new->data = calloc(length, 1);
- flash_root = new;
+ flash_root = new;
- return 0;
+ return 0;
}
static int flash_populate(stm32_addr_t addr, uint8_t* data, unsigned length) {
- 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;
- }
- }
+ 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;
-
- // Some kinds of clock settings do not allow writing to flash.
- stlink_reset(sl);
+ int error = -1;
- for(struct flash_block* fb = flash_root; fb; fb = fb->next) {
- #if DEBUG
- printf("flash_do: block %08x -> %04x\n", fb->addr, fb->length);
- #endif
+ // Some kinds of clock settings do not allow writing to flash.
+ stlink_reset(sl);
+ stlink_force_debug(sl);
- unsigned length = fb->length;
- for(stm32_addr_t page = fb->addr; page < fb->addr + fb->length; page += FLASH_PAGE) {
+ for(struct flash_block* fb = flash_root; fb; fb = fb->next) {
+ DLOG("flash_do: block %08x -> %04x\n", fb->addr, fb->length);
- //Update FLASH_PAGE
- stlink_calculate_pagesize(sl, page);
+ for(stm32_addr_t page = fb->addr; page < fb->addr + fb->length; page += FLASH_PAGE) {
+ unsigned length = fb->length - (page - fb->addr);
- #if DEBUG
- printf("flash_do: page %08x\n", page);
- #endif
+ //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);
+ unsigned send = length > FLASH_PAGE ? FLASH_PAGE : length;
+ if(stlink_write_flash(sl, page, fb->data + (page - fb->addr),
+ send, 0) < 0)
+ goto error;
+ length -= send;
+
+ }
+ }
- 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, st_state_t *st) {
- int sock = socket(AF_INET, SOCK_STREAM, 0);
- if(sock < 0) {
- perror("socket");
- return 1;
- }
+#define CLIDR 0xE000ED78
+#define CTR 0xE000ED7C
+#define CCSIDR 0xE000ED80
+#define CSSELR 0xE000ED84
+#define CCR 0xE000ED14
+#define CCR_DC (1 << 16)
+#define CCR_IC (1 << 17)
+#define DCCSW 0xE000EF6C
+#define ICIALLU 0xE000EF50
+
+struct cache_level_desc
+{
+ unsigned int nsets;
+ unsigned int nways;
+ unsigned int log2_nways;
+ unsigned int width;
+};
- unsigned int val = 1;
- setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val));
+struct cache_desc_t
+{
+ /* Minimal line size in bytes. */
+ unsigned int dminline;
+ unsigned int iminline;
- 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);
+ /* Last level of unification (uniprocessor). */
+ unsigned int louu;
- if(bind(sock, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
- perror("bind");
- return 1;
+ struct cache_level_desc icache[7];
+ struct cache_level_desc dcache[7];
+};
+
+static struct cache_desc_t cache_desc;
+
+/* Return the smallest R so that V <= (1 << R). Not performance critical. */
+static unsigned ceil_log2(unsigned v)
+{
+ unsigned res;
+ for (res = 0; (1U << res) < v; res++)
+ ;
+ return res;
+}
+
+static void read_cache_level_desc(stlink_t *sl, struct cache_level_desc *desc)
+{
+ unsigned int ccsidr;
+ unsigned int log2_nsets;
+
+ stlink_read_debug32(sl, CCSIDR, &ccsidr);
+ desc->nsets = ((ccsidr >> 13) & 0x3fff) + 1;
+ desc->nways = ((ccsidr >> 3) & 0x1ff) + 1;
+ desc->log2_nways = ceil_log2 (desc->nways);
+ log2_nsets = ceil_log2 (desc->nsets);
+ desc->width = 4 + (ccsidr & 7) + log2_nsets;
+ ILOG("%08x LineSize: %u, ways: %u, sets: %u (width: %u)\n",
+ ccsidr, 4 << (ccsidr & 7), desc->nways, desc->nsets, desc->width);
+}
+
+static void init_cache (stlink_t *sl) {
+ unsigned int clidr;
+ unsigned int ccr;
+ unsigned int ctr;
+ int i;
+
+ /* Assume only F7 has a cache. */
+ if(sl->chip_id!=STM32_CHIPID_F7)
+ return;
+
+ stlink_read_debug32(sl, CLIDR, &clidr);
+ stlink_read_debug32(sl, CCR, &ccr);
+ stlink_read_debug32(sl, CTR, &ctr);
+ cache_desc.dminline = 4 << ((ctr >> 16) & 0x0f);
+ cache_desc.iminline = 4 << (ctr & 0x0f);
+ cache_desc.louu = (clidr >> 27) & 7;
+
+ ILOG("Chip clidr: %08x, I-Cache: %s, D-Cache: %s\n",
+ clidr, ccr & CCR_IC ? "on" : "off", ccr & CCR_DC ? "on" : "off");
+ ILOG(" cache: LoUU: %u, LoC: %u, LoUIS: %u\n",
+ (clidr >> 27) & 7, (clidr >> 24) & 7, (clidr >> 21) & 7);
+ ILOG(" cache: ctr: %08x, DminLine: %u bytes, IminLine: %u bytes\n", ctr,
+ cache_desc.dminline, cache_desc.iminline);
+ for(i = 0; i < 7; i++)
+ {
+ unsigned int ct = (clidr >> (3 * i)) & 0x07;
+
+ cache_desc.dcache[i].width = 0;
+ cache_desc.icache[i].width = 0;
+
+ if(ct == 2 || ct == 3 || ct == 4)
+ {
+ /* Data. */
+ stlink_write_debug32(sl, CSSELR, i << 1);
+ ILOG("D-Cache L%d: ", i);
+ read_cache_level_desc(sl, &cache_desc.dcache[i]);
}
- if(listen(sock, 5) < 0) {
- perror("listen");
- return 1;
+ if(ct == 1 || ct == 3)
+ {
+ /* Instruction. */
+ stlink_write_debug32(sl, CSSELR, (i << 1) | 1);
+ ILOG("I-Cache L%d: ", i);
+ read_cache_level_desc(sl, &cache_desc.icache[i]);
}
+ }
+}
- printf("Listening at *:%d...\n", st->listen_port);
+static void cache_flush(stlink_t *sl, unsigned ccr) {
+ int level;
+
+ if (ccr & CCR_DC)
+ for (level = cache_desc.louu - 1; level >= 0; level--)
+ {
+ struct cache_level_desc *desc = &cache_desc.dcache[level];
+ unsigned addr;
+ unsigned max_addr = 1 << desc->width;
+ unsigned way_sh = 32 - desc->log2_nways;
+
+ /* D-cache clean by set-ways. */
+ for (addr = (level << 1); addr < max_addr; addr += cache_desc.dminline)
+ {
+ unsigned int way;
+
+ for (way = 0; way < desc->nways; way++)
+ stlink_write_debug32(sl, DCCSW, addr | (way << way_sh));
+ }
+ }
+
+ /* Invalidate all I-cache to oPU. */
+ if (ccr & CCR_IC)
+ stlink_write_debug32(sl, ICIALLU, 0);
+}
- int client = accept(sock, NULL, NULL);
- //signal (SIGINT, SIG_DFL);
- if(client < 0) {
- perror("accept");
- return 1;
- }
+static int cache_modified;
- close(sock);
+static void cache_change(stm32_addr_t start, unsigned count)
+{
+ if (count == 0)
+ return;
+ (void)start;
+ cache_modified = 1;
+}
+
+static void cache_sync(stlink_t *sl)
+{
+ unsigned ccr;
+
+ if(sl->chip_id!=STM32_CHIPID_F7)
+ return;
+ if (!cache_modified)
+ return;
+ cache_modified = 0;
+
+ stlink_read_debug32(sl, CCR, &ccr);
+ if (ccr & (CCR_IC | CCR_DC))
+ cache_flush(sl, ccr);
+}
+
+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);
- stlink_force_debug(sl);
- if (st->reset) {
- stlink_reset(sl);
+ int client = accept(sock, NULL, NULL);
+ //signal (SIGINT, SIG_DFL);
+ if(client < 0) {
+ perror("accept");
+ return 1;
}
- init_code_breakpoints(sl);
- init_data_watchpoints(sl);
-
- 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;
-
- int status = gdb_recv_packet(client, &packet);
- if(status < 0) {
- fprintf(stderr, "cannot recv: %d\n", status);
- return 1;
- }
-
- #if 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);
-
- #if DEBUG
- printf("query: %s;%s\n", queryName, params);
- #endif
-
- if(!strcmp(queryName, "Supported")) {
- if(sl->chip_id==STM32_CHIPID_F4) {
- reply = strdup("PacketSize=3fff;qXfer:memory-map:read+;qXfer:features:read+");
+
+ 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;
+ }
+
+ DLOG("recv: %s\n", packet);
+
+ char* reply = NULL;
+ reg regp;
+
+ switch(packet[0]) {
+ case 'q': {
+ if(packet[1] == 'P' || packet[1] == 'C' || packet[1] == 'L') {
+ reply = strdup("");
+ break;
}
- else {
- reply = strdup("PacketSize=3fff;qXfer:memory-map:read+");
+
+ char *separator = strstr(packet, ":"), *params = "";
+ if(separator == NULL) {
+ separator = packet + strlen(packet);
+ } else {
+ params = separator + 1;
}
- } 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);
-
- #if 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(!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;
- }
-
-
- if (!strncmp(params,"726573756d65",12)) {// resume
-#if DEBUG
- printf("Rcmd: resume\n");
-#endif
- stlink_run(sl);
- reply = strdup("OK");
- } else if (!strncmp(params,"68616c74",8)) { //halt
- reply = strdup("OK");
+ unsigned queryNameLength = (separator - &packet[1]);
+ char* queryName = calloc(queryNameLength + 1, 1);
+ strncpy(queryName, &packet[1], queryNameLength);
- stlink_force_debug(sl);
+ DLOG("query: %s;%s\n", queryName, params);
-#if DEBUG
- printf("Rcmd: halt\n");
-#endif
- } else if (!strncmp(params,"6a7461675f7265736574",20)) { //jtag_reset
- reply = strdup("OK");
+ if(!strcmp(queryName, "Supported")) {
+ if(sl->chip_id==STM32_CHIPID_F4
+ || sl->chip_id==STM32_CHIPID_F4_HD
+ || sl->chip_id==STM32_CHIPID_F7) {
+ 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;
+ }
- stlink_jtag_reset(sl, 1);
- stlink_jtag_reset(sl, 0);
- stlink_force_debug(sl);
-#if DEBUG
- printf("Rcmd: jtag_reset\n");
-#endif
- } else if (!strncmp(params,"7265736574",10)) { //reset
- reply = strdup("OK");
+ if (!strncmp(params,"726573756d65",12)) {// resume
+ DLOG("Rcmd: resume\n");
+ cache_sync(sl);
+ stlink_run(sl);
- stlink_force_debug(sl);
- stlink_reset(sl);
- init_code_breakpoints(sl);
- init_data_watchpoints(sl);
+ reply = strdup("OK");
+ } else if (!strncmp(params,"68616c74",8)) { //halt
+ reply = strdup("OK");
-#if DEBUG
- printf("Rcmd: reset\n");
-#endif
- } else {
-#if DEBUG
- printf("Rcmd: %s\n", params);
-#endif
+ 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++;
- }
-
- }
-
- 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);
-
- #if 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(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++;
-
- #if 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 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) {
+ 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':
+ cache_sync(sl);
+ 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;
}
- }
-
- 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) {
- #if DEBUG
- printf("send: %s\n", reply);
- #endif
-
- int result = gdb_send_packet(client, reply);
- if(result != 0) {
- fprintf(stderr, "cannot send: %d\n", result);
- free(reply);
- free(packet);
- return 1;
- }
-
- free(reply);
- }
-
- free(packet);
- }
- return 0;
+ stlink_status(sl);
+ if(sl->core_stat == STLINK_CORE_HALTED) {
+ break;
+ }
+
+ usleep(100000);
+ }
+
+ reply = strdup("S05"); // TRAP
+ break;
+
+ case 's':
+ cache_sync(sl);
+ 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;
+ if (count_rnd > sl->flash_pgsz)
+ count_rnd = sl->flash_pgsz;
+ if (count_rnd > 0x1800)
+ count_rnd = 0x1800;
+ if (count_rnd < count)
+ count = count_rnd;
+
+ 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);
+ cache_change(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);
+ cache_change(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);
+ cache_change(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;
}
projects / fw / stlink / blobdiff