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openocd/tcl/target/esp32s2.cfg
Erhan Kurubas bea4d65903 target/espressif: add semihosting support
ARM semihosting + some custom syscalls implemented for
Espressif chips (ESP32, ESP32-S2, ESP32-S3)

Signed-off-by: Erhan Kurubas <erhan.kurubas@espressif.com>
Change-Id: Ic8174cf1cd344fa16d619b7b8405c9650e869443
Reviewed-on: https://review.openocd.org/c/openocd/+/7074
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
2022-09-03 21:27:17 +00:00

81 lines
1.9 KiB
INI

# SPDX-License-Identifier: GPL-2.0-or-later
#
# The ESP32-S2 only supports JTAG.
transport select jtag
set CPU_MAX_ADDRESS 0xFFFFFFFF
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
} else {
set _CHIPNAME esp32s2
}
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
set _CPUTAPID 0x120034e5
}
set _TARGETNAME $_CHIPNAME
set _CPUNAME cpu
set _TAPNAME $_CHIPNAME.$_CPUNAME
jtag newtap $_CHIPNAME $_CPUNAME -irlen 5 -expected-id $_CPUTAPID
proc esp32s2_memprot_is_enabled { } {
# IRAM0, DPORT_PMS_PRO_IRAM0_0_REG
if { [get_mmr_bit 0x3f4c1010 0] != 0 } {
return 1
}
# DRAM0, DPORT_PMS_PRO_DRAM0_0_REG
if { [get_mmr_bit 0x3f4c1028 0] != 0 } {
return 1
}
# PERI1, DPORT_PMS_PRO_DPORT_0_REG
if { [get_mmr_bit 0x3f4c103c 0] != 0 } {
return 1
}
# PERI2, DPORT_PMS_PRO_AHB_0_REG
if { [get_mmr_bit 0x3f4c105c 0] != 0 } {
return 1
}
return 0
}
target create $_TARGETNAME esp32s2 -endian little -chain-position $_TAPNAME
$_TARGETNAME configure -event gdb-attach {
# necessary to auto-probe flash bank when GDB is connected and generate proper memory map
halt 1000
if { [esp32s2_memprot_is_enabled] } {
# 'reset halt' to disable memory protection and allow flasher to work correctly
echo "Memory protection is enabled. Reset target to disable it..."
reset halt
}
}
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 target/xtensa-core-esp32s2.cfg]