simbit18 commented on PR #17229:
URL: https://github.com/apache/nuttx/pull/17229#issuecomment-3448444579
@erkan-vatan The chip supports MPU, so why isn't it enabled in the
configuration?
In this case, it might be better to proceed as follows:
- enable CONFIG_ARM_MPU=y
https://github.com/t3gemstone/nuttx/blob/c0eedfef556bc709229b6624d3612f62c6ccee65/boards/arm/am67/t3-gem-o1/configs/nsh/defconfig
- add in the CMakeLists.tx
```
if(CONFIG_ARM_MPU OR CONFIG_BUILD_PROTECTED)
list(APPEND SRCS arm_mpu.c)
endif()
```
https://github.com/t3gemstone/nuttx/blob/c0eedfef556bc709229b6624d3612f62c6ccee65/arch/arm/src/armv7-r/CMakeLists.txt#L58
- add in the Make.defs
```
ifneq ($(filter y,$(CONFIG_ARM_MPU) $(CONFIG_BUILD_PROTECTED)),)
CMN_CSRCS += arm_mpu.c
endif
```
https://github.com/t3gemstone/nuttx/blob/c0eedfef556bc709229b6624d3612f62c6ccee65/arch/arm/src/armv7-r/Make.defs#L49C1-L51C6
- remove this in the CMakeLists.tx
```
../${ARCH_SUBDIR}/arm_mpu.c
```
https://github.com/t3gemstone/nuttx/blob/c0eedfef556bc709229b6624d3612f62c6ccee65/arch/arm/src/am67/CMakeLists.txt#L30
- remove this in the Make.defs
```
CHIP_CSRCS += arm_mpu.c
```
https://github.com/t3gemstone/nuttx/blob/c0eedfef556bc709229b6624d3612f62c6ccee65/arch/arm/src/am67/Make.defs#L33C1-L33C24
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