@* After all targets have resumed
@item @b{resumed}
@* Target has resumed
+@item @b{trace-config}
+@* After target hardware trace configuration was changed
@end itemize
@node Flash Commands
Defaulting to 0.
@end deffn
+@subsection ARMv7-M specific commands
+@cindex tracing
+@cindex SWO
+@cindex SWV
+@cindex TPIU
+@cindex ITM
+@cindex ETM
+
+@deffn Command {tpiu config} (@option{disable} | ((@option{external} | @option{internal @var{filename}}) @
+ (@option{sync @var{port_width}} | ((@option{manchester} | @option{uart}) @var{formatter_enable})) @
+ @var{TRACECLKIN_freq} [@var{trace_freq}]))
+
+ARMv7-M architecture provides several modules to generate debugging
+information internally (ITM, DWT and ETM). Their output is directed
+through TPIU to be captured externally either on an SWO pin (this
+configuration is called SWV) or on a synchronous parallel trace port.
+
+This command configures the TPIU module of the target and, if internal
+capture mode is selected, starts to capture trace output by using the
+debugger adapter features.
+
+Some targets require additional actions to be performed in the
+@b{trace-config} handler for trace port to be activated.
+
+Command options:
+@itemize @minus
+@item @option{disable} disable TPIU handling;
+@item @option{external} configure TPIU to let user capture trace
+output externally (with an additional UART or logic analyzer hardware);
+@item @option{internal @var{filename}} configure TPIU and debug adapter to
+gather trace data and append it to @var{filename} (which can be
+either a regular file or a named pipe);
+@item @option{sync @var{port_width}} use synchronous parallel trace output
+mode, and set port width to @var{port_width};
+@item @option{manchester} use asynchronous SWO mode with Manchester
+coding;
+@item @option{uart} use asynchronous SWO mode with NRZ (same as
+regular UART 8N1) coding;
+@item @var{formatter_enable} is @option{on} or @option{off} to enable
+or disable TPIU formatter which needs to be used when both ITM and ETM
+data is to be output via SWO;
+@item @var{TRACECLKIN_freq} this should be specified to match target's
+current TRACECLKIN frequency (usually the same as HCLK);
+@item @var{trace_freq} trace port frequency. Can be omitted in
+internal mode to let the adapter driver select the maximum supported
+rate automatically.
+@end itemize
+
+Example usage:
+@enumerate
+@item STM32L152 board is programmed with an application that configures
+PLL to provide core clock with 24MHz frequency; to use ITM output it's
+enough to:
+@example
+#include <libopencm3/cm3/itm.h>
+ ...
+ ITM_STIM8(0) = c;
+ ...
+@end example
+(the most obvious way is to use the first stimulus port for printf,
+for that this ITM_STIM8 assignment can be used inside _write(); to make it
+blocking to avoid data loss, add @code{while (!(ITM_STIM8(0) &
+ITM_STIM_FIFOREADY));});
+@item An FT2232H UART is connected to the SWO pin of the board;
+@item Commands to configure UART for 12MHz baud rate:
+@example
+$ setserial /dev/ttyUSB1 spd_cust divisor 5
+$ stty -F /dev/ttyUSB1 38400
+@end example
+(FT2232H's base frequency is 60MHz, spd_cust allows to alias 38400
+baud with our custom divisor to get 12MHz)
+@item @code{itmdump -f /dev/ttyUSB1 -d1}
+@item @code{openocd -f interface/stlink-v2-1.cfg -c "transport select
+hla_swd" -f target/stm32l1.cfg -c "tpiu config external uart off
+24000000 12000000"}
+@end enumerate
+@end deffn
+
+@deffn Command {itm port} @var{port} (@option{0}|@option{1}|@option{on}|@option{off})
+Enable or disable trace output for ITM stimulus @var{port} (counting
+from 0). Port 0 is enabled on target creation automatically.
+@end deffn
+
+@deffn Command {itm ports} (@option{0}|@option{1}|@option{on}|@option{off})
+Enable or disable trace output for all ITM stimulus ports.
+@end deffn
+
@subsection Cortex-M specific commands
@cindex Cortex-M
if (res != ERROR_OK)
goto out;
/* set the TPI clock prescaler */
- res = stlink_usb_write_debug_reg(handle, TPI_ACPR, h->trace.prescale);
+ res = stlink_usb_write_debug_reg(handle, TPIU_ACPR, h->trace.prescale);
if (res != ERROR_OK)
goto out;
/* select the pin protocol. The STLinkv2 only supports asynchronous
* UART emulation (NRZ) mode, so that's what we pick. */
- res = stlink_usb_write_debug_reg(handle, TPI_SPPR, 0x02);
+ res = stlink_usb_write_debug_reg(handle, TPIU_SPPR, 0x02);
if (res != ERROR_OK)
goto out;
/* disable continuous formatting */
- res = stlink_usb_write_debug_reg(handle, TPI_FFCR, (1<<8));
+ res = stlink_usb_write_debug_reg(handle, TPIU_FFCR, (1<<8));
if (res != ERROR_OK)
goto out;
if (res != ERROR_OK)
goto out;
/* trace port enable (port 0) */
- res = stlink_usb_write_debug_reg(handle, ITM_TER, (1<<0));
+ res = stlink_usb_write_debug_reg(handle, ITM_TER0, (1<<0));
if (res != ERROR_OK)
goto out;
ARMV7_SRC = \
armv7m.c \
+ armv7m_trace.c \
cortex_m.c \
armv7a.c \
cortex_a.c
armv4_5_cache.h \
armv7a.h \
armv7m.h \
+ armv7m_trace.h \
avrt.h \
dsp563xx.h \
dsp563xx_once.h \
armv7m->common_magic = ARMV7M_COMMON_MAGIC;
armv7m->fp_feature = FP_NONE;
+ armv7m->trace_config.trace_bus_id = 1;
+ /* Enable stimulus port #0 by default */
+ armv7m->trace_config.itm_ter[0] = 1;
arm->core_type = ARM_MODE_THREAD;
arm->arch_info = armv7m;
#include "arm_adi_v5.h"
#include "arm.h"
+#include "armv7m_trace.h"
extern const int armv7m_psp_reg_map[];
extern const int armv7m_msp_reg_map[];
/* stlink is a high level adapter, does not support all functions */
bool stlink;
+ struct armv7m_trace_config trace_config;
+
/* Direct processor core register read and writes */
int (*load_core_reg_u32)(struct target *target, uint32_t num, uint32_t *value);
int (*store_core_reg_u32)(struct target *target, uint32_t num, uint32_t value);
--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2015 Paul Fertser <fercerpav@gmail.com> *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <target/target.h>
+#include <target/armv7m.h>
+#include <target/cortex_m.h>
+#include <target/armv7m_trace.h>
+
+int armv7m_trace_tpiu_config(struct target *target)
+{
+ struct armv7m_common *armv7m = target_to_armv7m(target);
+ struct armv7m_trace_config *trace_config = &armv7m->trace_config;
+ int prescaler;
+ int retval;
+
+ if (!trace_config->trace_freq) {
+ LOG_ERROR("Trace port frequency is 0, can't enable TPIU");
+ return ERROR_FAIL;
+ }
+
+ if (trace_config->traceclkin_freq % trace_config->trace_freq) {
+ LOG_ERROR("Can not calculate an integer divisor to get %u trace port frequency from %u TRACECLKIN frequency",
+ trace_config->trace_freq, trace_config->traceclkin_freq);
+ return ERROR_FAIL;
+ }
+
+ prescaler = trace_config->traceclkin_freq / trace_config->trace_freq;
+
+ retval = target_write_u32(target, TPIU_CSPSR, 1 << trace_config->port_size);
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = target_write_u32(target, TPIU_ACPR, prescaler - 1);
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = target_write_u32(target, TPIU_SPPR, trace_config->pin_protocol);
+ if (retval != ERROR_OK)
+ return retval;
+
+ uint32_t ffcr;
+ retval = target_read_u32(target, TPIU_FFCR, &ffcr);
+ if (retval != ERROR_OK)
+ return retval;
+ if (trace_config->formatter)
+ ffcr |= (1 << 1);
+ else
+ ffcr &= ~(1 << 1);
+ retval = target_write_u32(target, TPIU_FFCR, ffcr);
+ if (retval != ERROR_OK)
+ return retval;
+
+ target_call_event_callbacks(target, TARGET_EVENT_TRACE_CONFIG);
+
+ return ERROR_OK;
+}
+
+int armv7m_trace_itm_config(struct target *target)
+{
+ struct armv7m_common *armv7m = target_to_armv7m(target);
+ struct armv7m_trace_config *trace_config = &armv7m->trace_config;
+ int retval;
+
+ retval = target_write_u32(target, ITM_LAR, ITM_LAR_KEY);
+ if (retval != ERROR_OK)
+ return retval;
+
+ /* Enable ITM, TXENA, set TraceBusID and other parameters */
+ retval = target_write_u32(target, ITM_TCR, (1 << 0) | (1 << 3) |
+ (trace_config->itm_diff_timestamps << 1) |
+ (trace_config->itm_synchro_packets << 2) |
+ (trace_config->itm_async_timestamps << 4) |
+ (trace_config->itm_ts_prescale << 8) |
+ (trace_config->trace_bus_id << 16));
+ if (retval != ERROR_OK)
+ return retval;
+
+ for (unsigned int i = 0; i < 8; i++) {
+ retval = target_write_u32(target, ITM_TER0 + i * 4,
+ trace_config->itm_ter[i]);
+ if (retval != ERROR_OK)
+ return retval;
+ }
+
+ return ERROR_OK;
+}
+
+static void close_trace_file(struct armv7m_common *armv7m)
+{
+ if (armv7m->trace_config.trace_file)
+ fclose(armv7m->trace_config.trace_file);
+ armv7m->trace_config.trace_file = NULL;
+}
+
+COMMAND_HANDLER(handle_tpiu_config_command)
+{
+ struct target *target = get_current_target(CMD_CTX);
+ struct armv7m_common *armv7m = target_to_armv7m(target);
+
+ unsigned int cmd_idx = 0;
+
+ if (CMD_ARGC == cmd_idx)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ if (!strcmp(CMD_ARGV[cmd_idx], "disable")) {
+ if (CMD_ARGC == cmd_idx + 1) {
+ close_trace_file(armv7m);
+
+ armv7m->trace_config.config_type = DISABLED;
+ if (CMD_CTX->mode == COMMAND_EXEC)
+ return armv7m_trace_tpiu_config(target);
+ else
+ return ERROR_OK;
+ }
+ } else if (!strcmp(CMD_ARGV[cmd_idx], "external") ||
+ !strcmp(CMD_ARGV[cmd_idx], "internal")) {
+ close_trace_file(armv7m);
+
+ armv7m->trace_config.config_type = EXTERNAL;
+ if (!strcmp(CMD_ARGV[cmd_idx], "internal")) {
+ cmd_idx++;
+ if (CMD_ARGC == cmd_idx)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ armv7m->trace_config.config_type = INTERNAL;
+ armv7m->trace_config.trace_file = fopen(CMD_ARGV[cmd_idx], "ab");
+ if (!armv7m->trace_config.trace_file) {
+ LOG_ERROR("Can't open trace destination file");
+ return ERROR_FAIL;
+ }
+ }
+ cmd_idx++;
+ if (CMD_ARGC == cmd_idx)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ if (!strcmp(CMD_ARGV[cmd_idx], "sync")) {
+ armv7m->trace_config.pin_protocol = SYNC;
+
+ cmd_idx++;
+ if (CMD_ARGC == cmd_idx)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[cmd_idx], armv7m->trace_config.port_size);
+ } else {
+ if (!strcmp(CMD_ARGV[cmd_idx], "manchester"))
+ armv7m->trace_config.pin_protocol = ASYNC_MANCHESTER;
+ else if (!strcmp(CMD_ARGV[cmd_idx], "uart"))
+ armv7m->trace_config.pin_protocol = ASYNC_UART;
+ else
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ cmd_idx++;
+ if (CMD_ARGC == cmd_idx)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_ON_OFF(CMD_ARGV[cmd_idx], armv7m->trace_config.formatter);
+ }
+
+ cmd_idx++;
+ if (CMD_ARGC == cmd_idx)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[cmd_idx], armv7m->trace_config.traceclkin_freq);
+
+ cmd_idx++;
+ if (CMD_ARGC != cmd_idx) {
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[cmd_idx], armv7m->trace_config.trace_freq);
+ cmd_idx++;
+ } else {
+ if (armv7m->trace_config.config_type != INTERNAL) {
+ LOG_ERROR("Trace port frequency can't be omitted in external capture mode");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ armv7m->trace_config.trace_freq = 0;
+ }
+
+ if (CMD_ARGC == cmd_idx) {
+ if (CMD_CTX->mode == COMMAND_EXEC)
+ return armv7m_trace_tpiu_config(target);
+ else
+ return ERROR_OK;
+ }
+ }
+
+ return ERROR_COMMAND_SYNTAX_ERROR;
+}
+
+COMMAND_HANDLER(handle_itm_port_command)
+{
+ struct target *target = get_current_target(CMD_CTX);
+ struct armv7m_common *armv7m = target_to_armv7m(target);
+ unsigned int reg_idx;
+ uint8_t port;
+ bool enable;
+
+ if (CMD_ARGC != 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0], port);
+ COMMAND_PARSE_ON_OFF(CMD_ARGV[1], enable);
+ reg_idx = port / 32;
+ port = port % 32;
+ if (enable)
+ armv7m->trace_config.itm_ter[reg_idx] |= (1 << port);
+ else
+ armv7m->trace_config.itm_ter[reg_idx] &= ~(1 << port);
+
+ if (CMD_CTX->mode == COMMAND_EXEC)
+ return armv7m_trace_itm_config(target);
+ else
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(handle_itm_ports_command)
+{
+ struct target *target = get_current_target(CMD_CTX);
+ struct armv7m_common *armv7m = target_to_armv7m(target);
+ bool enable;
+
+ if (CMD_ARGC != 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_ON_OFF(CMD_ARGV[0], enable);
+ memset(armv7m->trace_config.itm_ter, enable ? 0xff : 0,
+ sizeof(armv7m->trace_config.itm_ter));
+
+ if (CMD_CTX->mode == COMMAND_EXEC)
+ return armv7m_trace_itm_config(target);
+ else
+ return ERROR_OK;
+}
+
+static const struct command_registration tpiu_command_handlers[] = {
+ {
+ .name = "config",
+ .handler = handle_tpiu_config_command,
+ .mode = COMMAND_ANY,
+ .help = "Configure TPIU features",
+ .usage = "(disable | "
+ "((external | internal <filename>) "
+ "(sync <port width> | ((manchester | uart) <formatter enable>)) "
+ "<TRACECLKIN freq> [<trace freq>]))",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+static const struct command_registration itm_command_handlers[] = {
+ {
+ .name = "port",
+ .handler = handle_itm_port_command,
+ .mode = COMMAND_ANY,
+ .help = "Enable or disable ITM stimulus port",
+ .usage = "<port> (0|1|on|off)",
+ },
+ {
+ .name = "ports",
+ .handler = handle_itm_ports_command,
+ .mode = COMMAND_ANY,
+ .help = "Enable or disable all ITM stimulus ports",
+ .usage = "(0|1|on|off)",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+const struct command_registration armv7m_trace_command_handlers[] = {
+ {
+ .name = "tpiu",
+ .mode = COMMAND_ANY,
+ .help = "tpiu command group",
+ .usage = "",
+ .chain = tpiu_command_handlers,
+ },
+ {
+ .name = "itm",
+ .mode = COMMAND_ANY,
+ .help = "itm command group",
+ .usage = "",
+ .chain = itm_command_handlers,
+ },
+ COMMAND_REGISTRATION_DONE
+};
--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2015 Paul Fertser <fercerpav@gmail.com> *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ ***************************************************************************/
+
+#ifndef ARMV7M_TRACE_H
+#define ARMV7M_TRACE_H
+
+#include <command.h>
+
+/**
+ * @file
+ * Holds the interface to TPIU, ITM and DWT configuration functions.
+ */
+
+enum trace_config_type {
+ DISABLED, /**< tracing is disabled */
+ EXTERNAL, /**< trace output is captured externally */
+ INTERNAL /**< trace output is handled by OpenOCD adapter driver */
+};
+
+enum tpio_pin_protocol {
+ SYNC, /**< synchronous trace output */
+ ASYNC_MANCHESTER, /**< asynchronous output with Manchester coding */
+ ASYNC_UART /**< asynchronous output with NRZ coding */
+};
+
+enum itm_ts_prescaler {
+ ITM_TS_PRESCALE1, /**< no prescaling for the timestamp counter */
+ ITM_TS_PRESCALE4, /**< refclock divided by 4 for the timestamp counter */
+ ITM_TS_PRESCALE16, /**< refclock divided by 16 for the timestamp counter */
+ ITM_TS_PRESCALE64, /**< refclock divided by 64 for the timestamp counter */
+};
+
+struct armv7m_trace_config {
+ /** Currently active trace capture mode */
+ enum trace_config_type config_type;
+
+ /** Currently active trace output mode */
+ enum tpio_pin_protocol pin_protocol;
+ /** TPIU formatter enable/disable (in async mode) */
+ bool formatter;
+ /** Synchronous output port width */
+ uint32_t port_size;
+
+ /** Bitmask of currenty enabled ITM stimuli */
+ uint32_t itm_ter[8];
+ /** Identifier for multi-source trace stream formatting */
+ unsigned int trace_bus_id;
+ /** Prescaler for the timestamp counter */
+ enum itm_ts_prescaler itm_ts_prescale;
+ /** Enable differential timestamps */
+ bool itm_diff_timestamps;
+ /** Enable async timestamps model */
+ bool itm_async_timestamps;
+ /** Enable synchronisation packet transmission (for sync port only) */
+ bool itm_synchro_packets;
+
+ /** Current frequency of TRACECLKIN (usually matches HCLK) */
+ unsigned int traceclkin_freq;
+ /** Current frequency of trace port */
+ unsigned int trace_freq;
+ /** Handle to output trace data in INTERNAL capture mode */
+ FILE *trace_file;
+};
+
+extern const struct command_registration armv7m_trace_command_handlers[];
+
+/**
+ * Configure hardware accordingly to the current TPIU target settings
+ */
+int armv7m_trace_tpiu_config(struct target *target);
+/**
+ * Configure hardware accordingly to the current ITM target settings
+ */
+int armv7m_trace_itm_config(struct target *target);
+
+#endif
armv7m->dap.tar_autoincr_block = (1 << 12);
}
+ /* Configure trace modules */
+ retval = target_write_u32(target, DCB_DEMCR, TRCENA | armv7m->demcr);
+ if (retval != ERROR_OK)
+ return retval;
+
+ if (armv7m->trace_config.config_type != DISABLED) {
+ armv7m_trace_tpiu_config(target);
+ armv7m_trace_itm_config(target);
+ }
+
/* NOTE: FPB and DWT are both optional. */
/* Setup FPB */
{
.chain = armv7m_command_handlers,
},
+ {
+ .chain = armv7m_trace_command_handlers,
+ },
{
.name = "cortex_m",
.mode = COMMAND_EXEC,
#define SYSTEM_CONTROL_BASE 0x400FE000
-#define ITM_TER 0xE0000E00
+#define ITM_TER0 0xE0000E00
#define ITM_TPR 0xE0000E40
#define ITM_TCR 0xE0000E80
#define ITM_LAR 0xE0000FB0
+#define ITM_LAR_KEY 0xC5ACCE55
#define CPUID 0xE000ED00
/* Debug Control Block */
#define FPU_FPCAR 0xE000EF38
#define FPU_FPDSCR 0xE000EF3C
-#define TPI_SSPSR 0xE0040000
-#define TPI_CSPSR 0xE0040004
-#define TPI_ACPR 0xE0040010
-#define TPI_SPPR 0xE00400F0
-#define TPI_FFSR 0xE0040300
-#define TPI_FFCR 0xE0040304
-#define TPI_FSCR 0xE0040308
+#define TPIU_SSPSR 0xE0040000
+#define TPIU_CSPSR 0xE0040004
+#define TPIU_ACPR 0xE0040010
+#define TPIU_SPPR 0xE00400F0
+#define TPIU_FFSR 0xE0040300
+#define TPIU_FFCR 0xE0040304
+#define TPIU_FSCR 0xE0040308
/* DCB_DHCSR bit and field definitions */
#define DBGKEY (0xA05F << 16)
{
.chain = arm_command_handlers,
},
+ {
+ .chain = armv7m_trace_command_handlers,
+ },
COMMAND_REGISTRATION_DONE
};
{ .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
{ .value = TARGET_EVENT_GDB_FLASH_ERASE_END , .name = "gdb-flash-erase-end" },
+ { .value = TARGET_EVENT_TRACE_CONFIG, .name = "trace-config" },
+
{ .name = NULL, .value = -1 }
};
TARGET_EVENT_GDB_FLASH_ERASE_END,
TARGET_EVENT_GDB_FLASH_WRITE_START,
TARGET_EVENT_GDB_FLASH_WRITE_END,
+
+ TARGET_EVENT_TRACE_CONFIG,
};
struct target_event_action {
# stm32 devices support both JTAG and SWD transports.
#
source [find target/swj-dp.tcl]
+source [find mem_helper.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
# perform a soft reset
cortex_m reset_config sysresetreq
}
+
+$_TARGETNAME configure -event examine-end {
+ # DBGMCU_CR |= DBG_WWDG_STOP | DBG_IWDG_STOP |
+ # DBG_STANDBY | DBG_STOP | DBG_SLEEP
+ mmw 0xE0042004 0x00000307 0
+}
+
+$_TARGETNAME configure -event trace-config {
+ # Set TRACE_IOEN; TRACE_MODE is set to async; when using sync
+ # change this value accordingly to configure trace pins
+ # assignment
+ mmw 0xE0042004 0x00000020 0
+}
# stm32 devices support both JTAG and SWD transports.
#
source [find target/swj-dp.tcl]
+source [find mem_helper.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
# perform a soft reset
cortex_m reset_config sysresetreq
}
+
+$_TARGETNAME configure -event examine-end {
+ # DBGMCU_CR |= DBG_STANDBY | DBG_STOP | DBG_SLEEP
+ mmw 0xE0042004 0x00000007 0
+
+ # Stop watchdog counters during halt
+ # DBGMCU_APB1_FZ = DBG_IWDG_STOP | DBG_WWDG_STOP
+ mww 0xE0042008 0x00001800
+}
+
+$_TARGETNAME configure -event trace-config {
+ # Set TRACE_IOEN; TRACE_MODE is set to async; when using sync
+ # change this value accordingly to configure trace pins
+ # assignment
+ mmw 0xE0042004 0x00000020 0
+}
$_TARGETNAME configure -event examine-end { stm32f3x_default_examine_end }
$_TARGETNAME configure -event reset-start { stm32f3x_default_reset_start }
$_TARGETNAME configure -event reset-init { stm32f3x_default_reset_init }
+
+$_TARGETNAME configure -event trace-config {
+ # Set TRACE_IOEN; TRACE_MODE is set to async; when using sync
+ # change this value accordingly to configure trace pins
+ # assignment
+ mmw 0xe0042004 0x00000020 0
+}
# stm32 devices support both JTAG and SWD transports.
#
source [find target/swj-dp.tcl]
+source [find mem_helper.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
# perform a soft reset
cortex_m reset_config sysresetreq
}
+
+$_TARGETNAME configure -event examine-end {
+ # DBGMCU_CR |= DBG_STANDBY | DBG_STOP | DBG_SLEEP
+ mmw 0xE0042004 0x00000007 0
+
+ # Stop watchdog counters during halt
+ # DBGMCU_APB1_FZ = DBG_IWDG_STOP | DBG_WWDG_STOP
+ mww 0xE0042008 0x00001800
+}
+
+$_TARGETNAME configure -event trace-config {
+ # Set TRACE_IOEN; TRACE_MODE is set to async; when using sync
+ # change this value accordingly to configure trace pins
+ # assignment
+ mmw 0xE0042004 0x00000020 0
+}
#
source [find target/swj-dp.tcl]
+source [find mem_helper.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
$_TARGETNAME configure -event reset-start {
adapter_khz 300
}
+
+$_TARGETNAME configure -event examine-end {
+ # DBGMCU_CR |= DBG_STANDBY | DBG_STOP | DBG_SLEEP
+ mmw 0xE0042004 0x00000007 0
+
+ # Stop watchdog counters during halt
+ # DBGMCU_APB1_FZ = DBG_IWDG_STOP | DBG_WWDG_STOP
+ mww 0xE0042008 0x00001800
+}
+
+$_TARGETNAME configure -event trace-config {
+ # Set TRACE_IOEN; TRACE_MODE is set to async; when using sync
+ # change this value accordingly to configure trace pins
+ # assignment
+ mmw 0xE0042004 0x00000020 0
+}
projects / openocd / commitdiff