%D%/esp_xtensa.h \
%D%/esp_xtensa_smp.c \
%D%/esp_xtensa_smp.h \
+ %D%/esp_xtensa_semihosting.c \
+ %D%/esp_xtensa_semihosting.h \
%D%/esp32.c \
%D%/esp32s2.c \
- %D%/esp32s3.c
+ %D%/esp32s3.c \
+ %D%/esp_semihosting.c \
+ %D%/esp_semihosting.h
#include <target/target.h>
#include <target/target_type.h>
#include <target/smp.h>
+#include <target/semihosting_common.h>
#include "assert.h"
#include "esp_xtensa_smp.h"
.on_halt = esp32_on_halt
};
+static const struct esp_semihost_ops esp32_semihost_ops = {
+ .prepare = esp32_disable_wdts
+};
+
static int esp32_target_create(struct target *target, Jim_Interp *interp)
{
struct xtensa_debug_module_config esp32_dm_cfg = {
}
int ret = esp_xtensa_smp_init_arch_info(target, &esp32->esp_xtensa_smp,
- &esp32_dm_cfg, &esp32_chip_ops);
+ &esp32_dm_cfg, &esp32_chip_ops, &esp32_semihost_ops);
if (ret != ERROR_OK) {
LOG_ERROR("Failed to init arch info!");
free(esp32);
.usage = "",
.chain = esp32_any_command_handlers,
},
+ {
+ .name = "arm",
+ .mode = COMMAND_ANY,
+ .help = "ARM Command Group",
+ .usage = "",
+ .chain = semihosting_common_handlers
+ },
COMMAND_REGISTRATION_DONE
};
#include "assert.h"
#include <target/target.h>
#include <target/target_type.h>
+#include <target/semihosting_common.h>
#include "esp_xtensa.h"
+#include "esp_xtensa_semihosting.h"
/* Overall memory map
* TODO: read memory configuration from target registers */
if (old_state == TARGET_DEBUG_RUNNING) {
target_call_event_callbacks(target, TARGET_EVENT_DEBUG_HALTED);
} else {
+ if (esp_xtensa_semihosting(target, &ret) == SEMIHOSTING_HANDLED) {
+ struct esp_xtensa_common *esp_xtensa = target_to_esp_xtensa(target);
+ if (ret == ERROR_OK && esp_xtensa->semihost.need_resume) {
+ esp_xtensa->semihost.need_resume = false;
+ /* Resume xtensa_resume will handle BREAK instruction. */
+ ret = target_resume(target, 1, 0, 1, 0);
+ if (ret != ERROR_OK) {
+ LOG_ERROR("Failed to resume target");
+ return ret;
+ }
+ }
+ return ret;
+ }
esp32s2_on_halt(target);
target_call_event_callbacks(target, TARGET_EVENT_HALTED);
}
static int esp32s2_target_init(struct command_context *cmd_ctx, struct target *target)
{
- return esp_xtensa_target_init(cmd_ctx, target);
+ int ret = esp_xtensa_target_init(cmd_ctx, target);
+ if (ret != ERROR_OK)
+ return ret;
+
+ return esp_xtensa_semihosting_init(target);
}
static const struct xtensa_debug_ops esp32s2_dbg_ops = {
.queue_reg_write = xtensa_dm_queue_pwr_reg_write
};
+static const struct esp_semihost_ops esp32s2_semihost_ops = {
+ .prepare = esp32s2_disable_wdts
+};
+
static int esp32s2_target_create(struct target *target, Jim_Interp *interp)
{
struct xtensa_debug_module_config esp32s2_dm_cfg = {
return ERROR_FAIL;
}
- int ret = esp_xtensa_init_arch_info(target, &esp32->esp_xtensa, &esp32s2_dm_cfg);
+ int ret = esp_xtensa_init_arch_info(target, &esp32->esp_xtensa, &esp32s2_dm_cfg, &esp32s2_semihost_ops);
if (ret != ERROR_OK) {
LOG_ERROR("Failed to init arch info!");
free(esp32);
{
.chain = xtensa_command_handlers,
},
+ {
+ .name = "arm",
+ .mode = COMMAND_ANY,
+ .help = "ARM Command Group",
+ .usage = "",
+ .chain = semihosting_common_handlers
+ },
COMMAND_REGISTRATION_DONE
};
#include <target/target.h>
#include <target/target_type.h>
#include <target/smp.h>
+#include <target/semihosting_common.h>
#include "assert.h"
#include "esp_xtensa_smp.h"
static int esp32s3_target_init(struct command_context *cmd_ctx, struct target *target)
{
- return esp_xtensa_target_init(cmd_ctx, target);
+ return esp_xtensa_smp_target_init(cmd_ctx, target);
}
static const struct xtensa_debug_ops esp32s3_dbg_ops = {
.on_halt = esp32s3_on_halt
};
+static const struct esp_semihost_ops esp32s3_semihost_ops = {
+ .prepare = esp32s3_disable_wdts
+};
+
static int esp32s3_target_create(struct target *target, Jim_Interp *interp)
{
struct xtensa_debug_module_config esp32s3_dm_cfg = {
int ret = esp_xtensa_smp_init_arch_info(target,
&esp32s3->esp_xtensa_smp,
&esp32s3_dm_cfg,
- &esp32s3_chip_ops);
+ &esp32s3_chip_ops,
+ &esp32s3_semihost_ops);
if (ret != ERROR_OK) {
LOG_ERROR("Failed to init arch info!");
free(esp32s3);
.usage = "",
.chain = smp_command_handlers,
},
+ {
+ .name = "arm",
+ .mode = COMMAND_ANY,
+ .help = "ARM Command Group",
+ .usage = "",
+ .chain = semihosting_common_handlers
+ },
COMMAND_REGISTRATION_DONE
};
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/***************************************************************************
+ * Semihosting API for Espressif chips *
+ * Copyright (C) 2022 Espressif Systems Ltd. *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <helper/log.h>
+#include <target/target.h>
+#include <target/semihosting_common.h>
+#include "esp_semihosting.h"
+#include "esp_xtensa.h"
+
+struct esp_semihost_data *target_to_esp_semihost_data(struct target *target)
+{
+ const char *arch = target_get_gdb_arch(target);
+ if (arch) {
+ if (strncmp(arch, "xtensa", 6) == 0)
+ return &target_to_esp_xtensa(target)->semihost;
+ /* TODO: add riscv */
+ }
+ LOG_ERROR("Unknown target arch!");
+ return NULL;
+}
+
+int esp_semihosting_sys_seek(struct target *target, uint64_t fd, uint32_t pos, size_t whence)
+{
+ struct semihosting *semihosting = target->semihosting;
+
+ semihosting->result = lseek(fd, pos, whence);
+ semihosting->sys_errno = errno;
+ LOG_TARGET_DEBUG(target, "lseek(%" PRIx64 ", %" PRIu32 " %" PRId64 ")=%d", fd, pos, semihosting->result, errno);
+ return ERROR_OK;
+}
+
+int esp_semihosting_common(struct target *target)
+{
+ struct semihosting *semihosting = target->semihosting;
+ if (!semihosting)
+ /* Silently ignore if the semihosting field was not set. */
+ return ERROR_OK;
+
+ int retval = ERROR_NOT_IMPLEMENTED;
+
+ /* Enough space to hold 4 long words. */
+ uint8_t fields[4 * 8];
+
+ /*
+ * By default return an error.
+ * The actual result must be set by each function
+ */
+ semihosting->result = -1;
+ semihosting->sys_errno = EIO;
+
+ LOG_TARGET_DEBUG(target, "op=0x%x, param=0x%" PRIx64, semihosting->op, semihosting->param);
+
+ switch (semihosting->op) {
+ case ESP_SEMIHOSTING_SYS_DRV_INFO:
+ /* Return success to make esp-idf application happy */
+ retval = ERROR_OK;
+ semihosting->result = 0;
+ semihosting->sys_errno = 0;
+ break;
+
+ case ESP_SEMIHOSTING_SYS_SEEK:
+ retval = semihosting_read_fields(target, 3, fields);
+ if (retval == ERROR_OK) {
+ uint64_t fd = semihosting_get_field(target, 0, fields);
+ uint32_t pos = semihosting_get_field(target, 1, fields);
+ size_t whence = semihosting_get_field(target, 2, fields);
+ retval = esp_semihosting_sys_seek(target, fd, pos, whence);
+ }
+ break;
+
+ case ESP_SEMIHOSTING_SYS_APPTRACE_INIT:
+ case ESP_SEMIHOSTING_SYS_DEBUG_STUBS_INIT:
+ case ESP_SEMIHOSTING_SYS_BREAKPOINT_SET:
+ case ESP_SEMIHOSTING_SYS_WATCHPOINT_SET:
+ /* For the time being only riscv chips support these commands
+ * TODO: invoke riscv custom command handler */
+ break;
+ }
+
+ return retval;
+}
+
+int esp_semihosting_basedir_command(struct command_invocation *cmd)
+{
+ struct target *target = get_current_target(CMD_CTX);
+
+ if (!target) {
+ LOG_ERROR("No target selected");
+ return ERROR_FAIL;
+ }
+
+ struct semihosting *semihosting = target->semihosting;
+ if (!semihosting) {
+ command_print(CMD, "semihosting not supported for current target");
+ return ERROR_FAIL;
+ }
+
+ if (!semihosting->is_active) {
+ if (semihosting->setup(target, true) != ERROR_OK) {
+ LOG_ERROR("Failed to Configure semihosting");
+ return ERROR_FAIL;
+ }
+ semihosting->is_active = true;
+ }
+
+ if (CMD_ARGC > 0) {
+ free(semihosting->basedir);
+ semihosting->basedir = strdup(CMD_ARGV[0]);
+ if (!semihosting->basedir) {
+ command_print(CMD, "semihosting failed to allocate memory for basedir!");
+ return ERROR_FAIL;
+ }
+ }
+
+ command_print(CMD, "DEPRECATED! semihosting base dir: %s",
+ semihosting->basedir ? semihosting->basedir : "");
+
+ return ERROR_OK;
+}
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/***************************************************************************
+ * Semihosting API for Espressif chips *
+ * Copyright (C) 2022 Espressif Systems Ltd. *
+ ***************************************************************************/
+
+#ifndef OPENOCD_TARGET_ESP_SEMIHOSTING_H
+#define OPENOCD_TARGET_ESP_SEMIHOSTING_H
+
+/* Legacy syscalls */
+#define ESP_SYS_DRV_INFO_LEGACY 0xE0
+
+/* syscalls compatible to ARM standard */
+#define ESP_SEMIHOSTING_SYS_DRV_INFO 0x100
+#define ESP_SEMIHOSTING_SYS_APPTRACE_INIT 0x101
+#define ESP_SEMIHOSTING_SYS_DEBUG_STUBS_INIT 0x102
+#define ESP_SEMIHOSTING_SYS_BREAKPOINT_SET 0x103
+#define ESP_SEMIHOSTING_SYS_WATCHPOINT_SET 0x104
+#define ESP_SEMIHOSTING_SYS_SEEK 0x105 /* custom lseek with whence */
+/* not implemented yet */
+#define ESP_SEMIHOSTING_SYS_MKDIR 0x106
+#define ESP_SEMIHOSTING_SYS_OPENDIR 0x107
+#define ESP_SEMIHOSTING_SYS_READDIR 0x108
+#define ESP_SEMIHOSTING_SYS_READDIR_R 0x109
+#define ESP_SEMIHOSTING_SYS_SEEKDIR 0x10A
+#define ESP_SEMIHOSTING_SYS_TELLDIR 0x10B
+#define ESP_SEMIHOSTING_SYS_CLOSEDIR 0x10C
+#define ESP_SEMIHOSTING_SYS_RMDIR 0x10D
+#define ESP_SEMIHOSTING_SYS_ACCESS 0x10E
+#define ESP_SEMIHOSTING_SYS_TRUNCATE 0x10F
+#define ESP_SEMIHOSTING_SYS_UTIME 0x110
+#define ESP_SEMIHOSTING_SYS_FSTAT 0x111
+#define ESP_SEMIHOSTING_SYS_STAT 0x112
+#define ESP_SEMIHOSTING_SYS_FSYNC 0x113
+#define ESP_SEMIHOSTING_SYS_LINK 0x114
+#define ESP_SEMIHOSTING_SYS_UNLINK 0x115
+
+/**
+ * Semihost calls handling operations.
+ */
+struct esp_semihost_ops {
+ /** Callback called before handling semihost call */
+ int (*prepare)(struct target *target);
+};
+
+struct esp_semihost_data {
+ bool need_resume;
+ struct esp_semihost_ops *ops;
+};
+
+int esp_semihosting_common(struct target *target);
+int esp_semihosting_basedir_command(struct command_invocation *cmd);
+
+#endif /* OPENOCD_TARGET_ESP_SEMIHOSTING_H */
#include <stdbool.h>
#include <stdint.h>
#include <target/smp.h>
-#include "esp_xtensa.h"
#include <target/register.h>
+#include "esp_xtensa.h"
+#include "esp_semihosting.h"
int esp_xtensa_init_arch_info(struct target *target,
struct esp_xtensa_common *esp_xtensa,
- struct xtensa_debug_module_config *dm_cfg)
+ struct xtensa_debug_module_config *dm_cfg,
+ const struct esp_semihost_ops *semihost_ops)
{
- return xtensa_init_arch_info(target, &esp_xtensa->xtensa, dm_cfg);
+ int ret = xtensa_init_arch_info(target, &esp_xtensa->xtensa, dm_cfg);
+ if (ret != ERROR_OK)
+ return ret;
+ esp_xtensa->semihost.ops = (struct esp_semihost_ops *)semihost_ops;
+ return ERROR_OK;
}
int esp_xtensa_target_init(struct command_context *cmd_ctx, struct target *target)
#ifndef OPENOCD_TARGET_ESP_XTENSA_H
#define OPENOCD_TARGET_ESP_XTENSA_H
-#include <helper/command.h>
#include <target/target.h>
#include <target/xtensa/xtensa.h>
+#include "esp_xtensa.h"
+#include "esp_semihosting.h"
struct esp_xtensa_common {
struct xtensa xtensa; /* must be the first element */
+ struct esp_semihost_data semihost;
};
static inline struct esp_xtensa_common *target_to_esp_xtensa(struct target *target)
int esp_xtensa_init_arch_info(struct target *target,
struct esp_xtensa_common *esp_xtensa,
- struct xtensa_debug_module_config *dm_cfg);
+ struct xtensa_debug_module_config *dm_cfg,
+ const struct esp_semihost_ops *semihost_ops);
int esp_xtensa_target_init(struct command_context *cmd_ctx, struct target *target);
void esp_xtensa_target_deinit(struct target *target);
int esp_xtensa_arch_state(struct target *target);
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/***************************************************************************
+ * Copyright (c) 2020 Espressif Systems (Shanghai) Co. Ltd. *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <target/semihosting_common.h>
+#include <target/xtensa/xtensa_regs.h>
+#include <target/xtensa/xtensa.h>
+#include "esp_xtensa.h"
+#include "esp_xtensa_semihosting.h"
+
+#define ESP_XTENSA_SYSCALL 0x41E0 /* XT_INS_BREAK(1, 14) */
+#define ESP_XTENSA_SYSCALL_SZ 3
+
+#define XTENSA_SYSCALL_OP_REG XT_REG_IDX_A2
+#define XTENSA_SYSCALL_RETVAL_REG XT_REG_IDX_A2
+#define XTENSA_SYSCALL_ERRNO_REG XT_REG_IDX_A3
+
+static int esp_xtensa_semihosting_setup(struct target *target, int enable)
+{
+ LOG_TARGET_DEBUG(target, "semihosting enable=%d", enable);
+
+ return ERROR_OK;
+}
+
+static int esp_xtensa_semihosting_post_result(struct target *target)
+{
+ /* Even with the v2 and later, errno will not retrieved from A3 reg, it is safe to set */
+ xtensa_reg_set(target, XTENSA_SYSCALL_RETVAL_REG, target->semihosting->result);
+ xtensa_reg_set(target, XTENSA_SYSCALL_ERRNO_REG, target->semihosting->sys_errno);
+ return ERROR_OK;
+}
+
+/**
+ * Checks and processes an ESP Xtensa semihosting request. This is meant
+ * to be called when the target is stopped due to a debug mode entry.
+ * If the value 0 is returned then there was nothing to process. A non-zero
+ * return value signifies that a request was processed and the target resumed,
+ * or an error was encountered, in which case the caller must return immediately.
+ *
+ * @param target Pointer to the ESP Xtensa target to process.
+ * @param retval Pointer to a location where the return code will be stored
+ * @return SEMIHOSTING_HANDLED if a request was processed or SEMIHOSTING_NONE with the proper retval
+ */
+int esp_xtensa_semihosting(struct target *target, int *retval)
+{
+ struct esp_xtensa_common *esp_xtensa = target_to_esp_xtensa(target);
+
+ xtensa_reg_val_t dbg_cause = xtensa_reg_get(target, XT_REG_IDX_DEBUGCAUSE);
+ if ((dbg_cause & (DEBUGCAUSE_BI | DEBUGCAUSE_BN)) == 0)
+ return SEMIHOSTING_NONE;
+
+ uint8_t brk_insn_buf[sizeof(uint32_t)] = { 0 };
+ xtensa_reg_val_t pc = xtensa_reg_get(target, XT_REG_IDX_PC);
+ *retval = target_read_memory(target, pc, ESP_XTENSA_SYSCALL_SZ, 1, brk_insn_buf);
+ if (*retval != ERROR_OK) {
+ LOG_TARGET_ERROR(target, "Failed to read break instruction!");
+ return SEMIHOSTING_NONE;
+ }
+
+ uint32_t syscall_ins = buf_get_u32(brk_insn_buf, 0, 32);
+ if (syscall_ins != ESP_XTENSA_SYSCALL) {
+ *retval = ERROR_OK;
+ return SEMIHOSTING_NONE;
+ }
+
+ if (esp_xtensa->semihost.ops && esp_xtensa->semihost.ops->prepare)
+ esp_xtensa->semihost.ops->prepare(target);
+
+ xtensa_reg_val_t a2 = xtensa_reg_get(target, XT_REG_IDX_A2);
+ xtensa_reg_val_t a3 = xtensa_reg_get(target, XT_REG_IDX_A3);
+ LOG_TARGET_DEBUG(target, "Semihosting call 0x%" PRIx32 " 0x%" PRIx32 " Base dir '%s'",
+ a2,
+ a3,
+ target->semihosting->basedir ? target->semihosting->basedir : "");
+
+ target->semihosting->op = a2;
+ target->semihosting->param = a3;
+
+ *retval = semihosting_common(target);
+
+ /* Most operations are resumable, except the two exit calls. */
+ if (*retval != ERROR_OK) {
+ LOG_TARGET_ERROR(target, "Semihosting operation (op: 0x%x) error! Code: %d",
+ target->semihosting->op,
+ *retval);
+ }
+
+ /* Resume if target it is resumable and we are not waiting on a fileio operation to complete. */
+ if (target->semihosting->is_resumable && !target->semihosting->hit_fileio)
+ target_to_esp_xtensa(target)->semihost.need_resume = true;
+
+ return SEMIHOSTING_HANDLED;
+}
+
+static int xtensa_semihosting_init(struct target *target)
+{
+ return semihosting_common_init(target, esp_xtensa_semihosting_setup, esp_xtensa_semihosting_post_result);
+}
+
+int esp_xtensa_semihosting_init(struct target *target)
+{
+ int retval = xtensa_semihosting_init(target);
+ if (retval != ERROR_OK)
+ return retval;
+ target->semihosting->word_size_bytes = 4; /* 32 bits */
+ target->semihosting->user_command_extension = esp_semihosting_common;
+ return ERROR_OK;
+}
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/***************************************************************************
+ * Copyright (c) 2020 Espressif Systems (Shanghai) Co. Ltd. *
+ ***************************************************************************/
+
+#ifndef OPENOCD_TARGET_ESP_XTENSA_SEMIHOSTING_H
+#define OPENOCD_TARGET_ESP_XTENSA_SEMIHOSTING_H
+
+#include <target/target.h>
+
+int esp_xtensa_semihosting_init(struct target *target);
+int esp_xtensa_semihosting(struct target *target, int *retval);
+
+#endif /* OPENOCD_TARGET_ESP_XTENSA_SEMIHOSTING_H */
#include <target/target.h>
#include <target/target_type.h>
#include <target/smp.h>
+#include <target/semihosting_common.h>
#include "esp_xtensa_smp.h"
+#include "esp_xtensa_semihosting.h"
/*
Multiprocessor stuff common:
{
enum target_state old_state = target->state;
struct esp_xtensa_smp_common *esp_xtensa_smp = target_to_esp_xtensa_smp(target);
+ struct esp_xtensa_common *esp_xtensa = target_to_esp_xtensa(target);
struct target_list *head;
struct target *curr;
bool other_core_resume_req = false;
if (old_state == TARGET_DEBUG_RUNNING) {
target_call_event_callbacks(target, TARGET_EVENT_DEBUG_HALTED);
} else {
+ if (esp_xtensa_semihosting(target, &ret) == SEMIHOSTING_HANDLED) {
+ if (ret == ERROR_OK && esp_xtensa->semihost.need_resume &&
+ !esp_xtensa_smp->other_core_does_resume) {
+ esp_xtensa->semihost.need_resume = false;
+ /* Resume xtensa_resume will handle BREAK instruction. */
+ ret = target_resume(target, 1, 0, 1, 0);
+ if (ret != ERROR_OK) {
+ LOG_ERROR("Failed to resume target");
+ return ret;
+ }
+ }
+ return ret;
+ }
/* check whether any core polled by esp_xtensa_smp_update_halt_gdb() requested resume */
if (target->smp && other_core_resume_req) {
/* Resume xtensa_resume will handle BREAK instruction. */
if (ret != ERROR_OK)
return ret;
esp_xtensa_smp->other_core_does_resume = false;
+ struct esp_xtensa_common *curr_esp_xtensa = target_to_esp_xtensa(curr);
+ if (curr_esp_xtensa->semihost.need_resume) {
+ curr_esp_xtensa->semihost.need_resume = false;
+ *need_resume = true;
+ }
}
/* after all targets were updated, poll the gdb serving target */
int esp_xtensa_smp_init_arch_info(struct target *target,
struct esp_xtensa_smp_common *esp_xtensa_smp,
struct xtensa_debug_module_config *dm_cfg,
- const struct esp_xtensa_smp_chip_ops *chip_ops)
+ const struct esp_xtensa_smp_chip_ops *chip_ops,
+ const struct esp_semihost_ops *semihost_ops)
{
- int ret = esp_xtensa_init_arch_info(target, &esp_xtensa_smp->esp_xtensa, dm_cfg);
+ int ret = esp_xtensa_init_arch_info(target, &esp_xtensa_smp->esp_xtensa, dm_cfg, semihost_ops);
if (ret != ERROR_OK)
return ret;
esp_xtensa_smp->chip_ops = chip_ops;
int esp_xtensa_smp_target_init(struct command_context *cmd_ctx, struct target *target)
{
- return esp_xtensa_target_init(cmd_ctx, target);
+ int ret = esp_xtensa_target_init(cmd_ctx, target);
+ if (ret != ERROR_OK)
+ return ret;
+
+ if (target->smp) {
+ struct target_list *head;
+ foreach_smp_target(head, target->smp_targets) {
+ struct target *curr = head->target;
+ ret = esp_xtensa_semihosting_init(curr);
+ if (ret != ERROR_OK)
+ return ret;
+ }
+ } else {
+ ret = esp_xtensa_semihosting_init(target);
+ if (ret != ERROR_OK)
+ return ret;
+ }
+ return ERROR_OK;
}
COMMAND_HANDLER(esp_xtensa_smp_cmd_xtdef)
int esp_xtensa_smp_init_arch_info(struct target *target,
struct esp_xtensa_smp_common *esp_xtensa_smp,
struct xtensa_debug_module_config *dm_cfg,
- const struct esp_xtensa_smp_chip_ops *chip_ops);
+ const struct esp_xtensa_smp_chip_ops *chip_ops,
+ const struct esp_semihost_ops *semihost_ops);
extern const struct command_registration esp_xtensa_smp_command_handlers[];
extern const struct command_registration esp_xtensa_smp_xtensa_command_handlers[];
# The ESP32 only supports JTAG.
transport select jtag
+# Source the ESP common configuration file
+source [find target/esp_common.cfg]
+
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
$_TARGETNAME_1 configure -event reset-assert-post { soft_reset_halt }
}
+$_TARGETNAME_0 configure -event examine-end {
+ # Need to enable to set 'semihosting_basedir'
+ arm semihosting enable
+ arm semihosting_resexit enable
+ if { [info exists _SEMIHOST_BASEDIR] } {
+ if { $_SEMIHOST_BASEDIR != "" } {
+ arm semihosting_basedir $_SEMIHOST_BASEDIR
+ }
+ }
+}
+
+if { $_ONLYCPU != 1 } {
+ $_TARGETNAME_1 configure -event examine-end {
+ # Need to enable to set 'semihosting_basedir'
+ arm semihosting enable
+ arm semihosting_resexit enable
+ if { [info exists _SEMIHOST_BASEDIR] } {
+ if { $_SEMIHOST_BASEDIR != "" } {
+ arm semihosting_basedir $_SEMIHOST_BASEDIR
+ }
+ }
+ }
+}
+
gdb_breakpoint_override hard
source [find target/xtensa-core-esp32.cfg]
source [find bitsbytes.tcl]
source [find memory.tcl]
source [find mmr_helpers.tcl]
+# Source the ESP common configuration file
+source [find target/esp_common.cfg]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
xtensa maskisr on
+$_TARGETNAME configure -event examine-end {
+ # Need to enable to set 'semihosting_basedir'
+ arm semihosting enable
+ arm semihosting_resexit enable
+ if { [info exists _SEMIHOST_BASEDIR] } {
+ if { $_SEMIHOST_BASEDIR != "" } {
+ arm semihosting_basedir $_SEMIHOST_BASEDIR
+ }
+ }
+}
+
$_TARGETNAME configure -event reset-assert-post { soft_reset_halt }
gdb_breakpoint_override hard
source [find bitsbytes.tcl]
source [find memory.tcl]
source [find mmr_helpers.tcl]
+# Source the ESP common configuration file
+source [find target/esp_common.cfg]
+
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
$_TARGETNAME_0 xtensa maskisr on
$_TARGETNAME_0 xtensa smpbreak BreakIn BreakOut
+$_TARGETNAME_0 configure -event examine-end {
+ # Need to enable to set 'semihosting_basedir'
+ arm semihosting enable
+ arm semihosting_resexit enable
+ if { [info exists _SEMIHOST_BASEDIR] } {
+ if { $_SEMIHOST_BASEDIR != "" } {
+ arm semihosting_basedir $_SEMIHOST_BASEDIR
+ }
+ }
+}
+
+if { $_ONLYCPU != 1 } {
+ $_TARGETNAME_1 configure -event examine-end {
+ # Need to enable to set 'semihosting_basedir'
+ arm semihosting enable
+ arm semihosting_resexit enable
+ if { [info exists _SEMIHOST_BASEDIR] } {
+ if { $_SEMIHOST_BASEDIR != "" } {
+ arm semihosting_basedir $_SEMIHOST_BASEDIR
+ }
+ }
+ }
+}
$_TARGETNAME_0 configure -event gdb-attach {
$_TARGETNAME_0 xtensa smpbreak BreakIn BreakOut
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Common ESP chips definitions
+
+if { [info exists ESP_SEMIHOST_BASEDIR] } {
+ set _SEMIHOST_BASEDIR $ESP_SEMIHOST_BASEDIR
+} else {
+ # by default current dir (when OOCD has been started)
+ set _SEMIHOST_BASEDIR "."
+}
projects / fw / openocd / commitdiff