xtensa: add xtensa_dc233c

This adds config and overlay to support the dc233c core
that is available on QEMU. This core has more features
than sample_controller, such as MMU support.

The overlay comes from:
https://github.com/jcmvbkbc/xtensa-toolchain-build/blob/master/overlays/original/dc233c.tar.gz

Signed-off-by: Daniel Leung <daniel.leung@intel.com>

Author: dcpleung

.github/workflows/ci.yml

@@ -50,6 +50,7 @@ on:
         - riscv64-zephyr-elf
         - sparc-zephyr-elf
         - x86_64-zephyr-elf
+        - xtensa-dc233c_zephyr-elf
         - xtensa-espressif_esp32_zephyr-elf
         - xtensa-espressif_esp32s2_zephyr-elf
         - xtensa-espressif_esp32s3_zephyr-elf
@@ -159,6 +160,7 @@ jobs:
             riscv64-zephyr-elf)                   build_target_riscv64_zephyr_elf="y";;
             sparc-zephyr-elf)                     build_target_sparc_zephyr_elf="y";;
             x86_64-zephyr-elf)                    build_target_x86_64_zephyr_elf="y";;
+            xtensa-dc233c_zephyr-elf)             build_target_xtensa_dc233c_zephyr_elf="y";;
             xtensa-espressif_esp32_zephyr-elf)    build_target_xtensa_espressif_esp32_zephyr_elf="y";;
             xtensa-espressif_esp32s2_zephyr-elf)  build_target_xtensa_espressif_esp32s2_zephyr_elf="y";;
             xtensa-espressif_esp32s3_zephyr-elf)  build_target_xtensa_espressif_esp32s3_zephyr_elf="y";;
@@ -196,6 +198,7 @@ jobs:
           build_target_riscv64_zephyr_elf="y"
           build_target_sparc_zephyr_elf="y"
           build_target_x86_64_zephyr_elf="y"
+          build_target_xtensa_dc233c_zephyr_elf="y"
           build_target_xtensa_espressif_esp32_zephyr_elf="y"
           build_target_xtensa_espressif_esp32s2_zephyr_elf="y"
           build_target_xtensa_espressif_esp32s3_zephyr_elf="y"
@@ -273,6 +276,7 @@ jobs:
         [ "${build_target_riscv64_zephyr_elf}" == "y" ]                   && MATRIX_TARGETS+='"riscv64-zephyr-elf",'
         [ "${build_target_sparc_zephyr_elf}" == "y" ]                     && MATRIX_TARGETS+='"sparc-zephyr-elf",'
         [ "${build_target_x86_64_zephyr_elf}" == "y" ]                    && MATRIX_TARGETS+='"x86_64-zephyr-elf",'
+        [ "${build_target_xtensa_dc233c_zephyr_elf}" == "y" ]             && MATRIX_TARGETS+='"xtensa-dc233c_zephyr-elf",'
         [ "${build_target_xtensa_espressif_esp32_zephyr_elf}" == "y" ]    && MATRIX_TARGETS+='"xtensa-espressif_esp32_zephyr-elf",'
         [ "${build_target_xtensa_espressif_esp32s2_zephyr_elf}" == "y" ]  && MATRIX_TARGETS+='"xtensa-espressif_esp32s2_zephyr-elf",'
         [ "${build_target_xtensa_espressif_esp32s3_zephyr_elf}" == "y" ]  && MATRIX_TARGETS+='"xtensa-espressif_esp32s3_zephyr-elf",'
@@ -1520,6 +1524,9 @@ jobs:
               PLATFORM_ARGS+="-p qemu_x86 "
               PLATFORM_ARGS+="-p qemu_x86_64 "
               ;;
+            xtensa-dc233c_zephyr-elf)
+              PLATFORM_ARGS+="-p qemu_xtensa_dc233c "
+              ;;
             xtensa-espressif_esp32_zephyr-elf)
               PLATFORM_ARGS+="-p esp32 "
               ;;

configs/xtensa-dc233c_zephyr-elf.config

@@ -0,0 +1,8 @@
+CT_CONFIG_VERSION="3"
+CT_EXPERIMENTAL=y
+CT_OVERLAY_LOCATION="overlays"
+CT_OVERLAY_NAME="dc233c"
+CT_ARCH_XTENSA=y
+CT_XTENSA_CUSTOM=y
+CT_TARGET_VENDOR="dc233c_zephyr"
+CT_TARGET_CFLAGS="-ftls-model=local-exec"