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# SPDX-License-Identifier: GPL-2.0-or-later
#
# The ESP32-S3 only supports JTAG.
transport select jtag
set CPU_MAX_ADDRESS 0xFFFFFFFF
source [find bitsbytes.tcl]
source [find memory.tcl]
source [find mmr_helpers.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME esp32s3
}
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
set _CPUTAPID 0x120034e5
}
if { [info exists ESP32_S3_ONLYCPU] } {
set _ONLYCPU $ESP32_S3_ONLYCPU
} else {
set _ONLYCPU 2
}
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
}
proc esp32s3_memprot_is_enabled { } {
# SENSITIVE_CORE_X_IRAM0_DRAM0_DMA_SPLIT_LINE_CONSTRAIN_0_REG
if { [get_mmr_bit 0x600C10C0 0] != 0 } {
return 1
}
# SENSITIVE_CORE_0_PIF_PMS_CONSTRAIN_0_REG
if { [get_mmr_bit 0x600C1124 0] != 0 } {
return 1
}
# SENSITIVE_CORE_1_PIF_PMS_CONSTRAIN_0_REG
if { [get_mmr_bit 0x600C11D0 0] != 0 } {
return 1
}
# IRAM0, SENSITIVE_CORE_X_IRAM0_PMS_CONSTRAIN_0_REG
if { [get_mmr_bit 0x600C10D8 0] != 0 } {
return 1
}
# DRAM0, SENSITIVE_CORE_X_DRAM0_PMS_CONSTRAIN_0_REG
if { [get_mmr_bit 0x600C10FC 0] != 0 } {
return 1
}
# SENSITIVE_CORE_0_IRAM0_PMS_MONITOR_0_REG
if { [get_mmr_bit 0x600C10E4 0] != 0 } {
return 1
}
# SENSITIVE_CORE_1_IRAM0_PMS_MONITOR_0_REG
if { [get_mmr_bit 0x600C10F0 0] != 0 } {
return 1
}
# SENSITIVE_CORE_0_DRAM0_PMS_MONITOR_0_REG
if { [get_mmr_bit 0x600C1104 0] != 0 } {
return 1
}
# SENSITIVE_CORE_1_DRAM0_PMS_MONITOR_0_REG
if { [get_mmr_bit 0x600C1114 0] != 0 } {
return 1
}
# SENSITIVE_CORE_0_PIF_PMS_MONITOR_0_REG
if { [get_mmr_bit 0x600C119C 0] != 0 } {
return 1
}
# SENSITIVE_CORE_1_PIF_PMS_MONITOR_0_REG
if { [get_mmr_bit 0x600C1248 0] != 0 } {
return 1
}
return 0
}
# 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 xtensa maskisr on
$_TARGETNAME_0 xtensa smpbreak BreakIn BreakOut
$_TARGETNAME_0 configure -event gdb-attach {
$_TARGETNAME_0 xtensa smpbreak BreakIn BreakOut
# necessary to auto-probe flash bank when GDB is connected and generate proper memory map
halt 1000
if { [esp32s3_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
}
}
$_TARGETNAME_0 configure -event reset-assert-post { soft_reset_halt }
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
if { [esp32s3_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
}
}
$_TARGETNAME_1 configure -event reset-assert-post { soft_reset_halt }
}
gdb_breakpoint_override hard
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