# SPDX-License-Identifier: GPL-2.0-or-later
#
# 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 {
	set _CHIPNAME esp32
}

if { [info exists CPUTAPID] } {
	set _CPUTAPID $CPUTAPID
} else {
	set _CPUTAPID 0x120034e5
}

if { [info exists ESP32_ONLYCPU] } {
	set _ONLYCPU $ESP32_ONLYCPU
} else {
	set _ONLYCPU 2
}

if { [info exists ESP32_FLASH_VOLTAGE] } {
	set _FLASH_VOLTAGE $ESP32_FLASH_VOLTAGE
} else {
	set _FLASH_VOLTAGE 3.3
}

set _CPU0NAME cpu0
set _CPU1NAME cpu1
set _TARGETNAME_0 $_CHIPNAME.$_CPU0NAME
set _TARGETNAME_1 $_CHIPNAME.$_CPU1NAME

jtag newtap $_CHIPNAME $_CPU0NAME -irlen 5 -expected-id $_CPUTAPID
if { $_ONLYCPU != 1 } {
	jtag newtap $_CHIPNAME $_CPU1NAME -irlen 5 -expected-id $_CPUTAPID
} else {
	jtag newtap $_CHIPNAME $_CPU1NAME -irlen 5 -disable -expected-id $_CPUTAPID
}

# PRO-CPU
target create $_TARGETNAME_0 $_CHIPNAME -endian little -chain-position $_TARGETNAME_0 -coreid 0
# APP-CPU
if { $_ONLYCPU != 1 } {
	target create $_TARGETNAME_1 $_CHIPNAME -endian little -chain-position $_TARGETNAME_1 -coreid 1
	target smp $_TARGETNAME_0 $_TARGETNAME_1
}

$_TARGETNAME_0 esp32 flashbootstrap $_FLASH_VOLTAGE
$_TARGETNAME_0 xtensa maskisr on
$_TARGETNAME_0 xtensa smpbreak BreakIn BreakOut
$_TARGETNAME_0 configure -event reset-assert-post { soft_reset_halt }

$_TARGETNAME_0 configure -event gdb-attach {
	$_TARGETNAME_0 xtensa smpbreak BreakIn BreakOut
	# necessary to auto-probe flash bank when GDB is connected
	halt 1000
}

if { $_ONLYCPU != 1 } {
	$_TARGETNAME_1 configure -event gdb-attach {
		$_TARGETNAME_1 xtensa smpbreak BreakIn BreakOut
		# necessary to auto-probe flash bank when GDB is connected
		halt 1000
	}
	$_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]