arch/risc-v: Add ARCH_HAVE_RAMFUNCS to ESP32-C6 and ESP32-H2

[tmedicci]

Summary

• arch/risc-v: Add ARCH_HAVE_RAMFUNCS to ESP32-C6 and ESP32-H2

Following the #14741, add the ARCH_HAVE_RAMFUNCS config to ESP32-C6 and ESP32-H2 to suppress the RWX memory region warning.

Signed-off-by: Tiago Medicci Serrano [email protected]

Impact

Impact on user: NO.

Impact on build: YES. Suppress a warning during the build and prevent it from being understood incorrectly.

Impact on hardware: NO.

Impact on documentation: NO.

Impact on security: NO.

Impact on compatibility: NO.

Testing

Just build any defconfig for these two chips and check for the warning message:

riscv-none-elf-ld: warning: /home/tiago/Documents/work/espressif/projects/nuttx/nuttxspace/nuttx/nuttx has a LOAD segment with RWX permissions

For instance, esp32h2-devkit:nsh

Building

make -j distclean && ./tools/configure.sh esp32h2-devkit:nsh && make -j$(nproc)

Results

Before this patch, the build log shows the warning message:

LD: nuttx
riscv-none-elf-ld: warning: /home/tiago/Documents/work/espressif/projects/nuttx/nuttxspace/nuttx/nuttx has a LOAD segment with RWX permissions
Memory region         Used Size  Region Size  %age Used
             ROM:      240761 B        16 MB      1.44%
     iram0_0_seg:       17168 B     258000 B      6.65%
        irom_seg:      117748 B        16 MB      0.70%
     dram0_0_seg:       27840 B     258000 B     10.79%
        drom_seg:      175228 B        16 MB      1.04%
      lp_ram_seg:          0 GB       4072 B      0.00%
 lp_reserved_seg:          0 GB         24 B      0.00%
CP: nuttx.hex

After this patch, the warning message is gone:

LD: nuttx
Memory region         Used Size  Region Size  %age Used
             ROM:      240761 B        16 MB      1.44%
     iram0_0_seg:       17168 B     258000 B      6.65%
        irom_seg:      117748 B        16 MB      0.70%
     dram0_0_seg:       27840 B     258000 B     10.79%
        drom_seg:      175228 B        16 MB      1.04%
      lp_ram_seg:          0 GB       4072 B      0.00%
 lp_reserved_seg:          0 GB         24 B      0.00%
CP: nuttx.hex