xtensa: Add rt700_hifi4 toolchain

Add Xtensa toolchain for HIFI4 core found on imxrt700.

Signed-off-by: Daniel Baluta <[email protected]>

Author: dbaluta

.github/workflows/ci.yml

@@ -66,6 +66,7 @@ on:
         - xtensa-nxp_rt500_adsp_zephyr-elf
         - xtensa-nxp_rt600_adsp_zephyr-elf
         - xtensa-nxp_rt700_hifi1_zephyr-elf
+        - xtensa-nxp_rt700_hifi4_zephyr-elf
         - xtensa-sample_controller_zephyr-elf
       debug:
         description: 'Debug'
@@ -181,6 +182,7 @@ jobs:
             xtensa-nxp_rt500_adsp_zephyr-elf)     build_target_xtensa_nxp_rt500_adsp_zephyr_elf="y";;
             xtensa-nxp_rt600_adsp_zephyr-elf)     build_target_xtensa_nxp_rt600_adsp_zephyr_elf="y";;
             xtensa-nxp_rt700_hifi1_zephyr-elf)    build_target_xtensa_nxp_rt700_hifi1_zephyr_elf="y";;
+            xtensa-nxp_rt700_hifi4_zephyr-elf)    build_target_xtensa_nxp_rt700_hifi4_zephyr_elf="y";;
             xtensa-sample_controller_zephyr-elf)  build_target_xtensa_sample_controller_zephyr_elf="y";;
           esac
 
@@ -224,6 +226,7 @@ jobs:
           build_target_xtensa_nxp_rt500_adsp_zephyr_elf="y"
           build_target_xtensa_nxp_rt600_adsp_zephyr_elf="y"
           build_target_xtensa_nxp_rt700_hifi1_zephyr_elf="y"
+          build_target_xtensa_nxp_rt700_hifi4_zephyr_elf="y"
           build_target_xtensa_sample_controller_zephyr_elf="y"
         fi
 
@@ -307,6 +310,7 @@ jobs:
         [ "${build_target_xtensa_nxp_rt500_adsp_zephyr_elf}" == "y" ]     && MATRIX_TARGETS+='"xtensa-nxp_rt500_adsp_zephyr-elf",'
         [ "${build_target_xtensa_nxp_rt600_adsp_zephyr_elf}" == "y" ]     && MATRIX_TARGETS+='"xtensa-nxp_rt600_adsp_zephyr-elf",'
         [ "${build_target_xtensa_nxp_rt700_hifi1_zephyr_elf}" == "y" ]    && MATRIX_TARGETS+='"xtensa-nxp_rt700_hifi1_zephyr-elf",'
+        [ "${build_target_xtensa_nxp_rt700_hifi4_zephyr_elf}" == "y" ]    && MATRIX_TARGETS+='"xtensa-nxp_rt700_hifi4_zephyr-elf",'
         [ "${build_target_xtensa_sample_controller_zephyr_elf}" == "y" ]  && MATRIX_TARGETS+='"xtensa-sample_controller_zephyr-elf",'
         MATRIX_TARGETS+=']'
 
@@ -1587,6 +1591,10 @@ jobs:
               # xtensa-nxp_rt700_hifi1_zephyr-elf is untested because no
               # upstream user platform is currently available.
               ;;
+            xtensa-nxp_rt700_hifi4_zephyr-elf)
+              # xtensa-nxp_rt700_hifi4_zephyr-elf is untested because no
+              # upstream user platform is currently available.
+              ;;
             xtensa-sample_controller_zephyr-elf)
               PLATFORM_ARGS+="-p qemu_xtensa "
               ;;

configs/xtensa-nxp_rt700_hifi4_zephyr-elf.config

@@ -0,0 +1,10 @@
+CT_CONFIG_VERSION="3"
+CT_EXPERIMENTAL=y
+CT_OVERLAY_LOCATION="overlays"
+CT_OVERLAY_NAME="nxp_rt700_hifi4"
+CT_ARCH_XTENSA=y
+CT_XTENSA_CUSTOM=y
+CT_TARGET_VENDOR="nxp_rt700_hifi4_zephyr"
+CT_TARGET_CFLAGS="-ftls-model=local-exec"
+CT_CC_GCC_CONFIG_TLS=n
+CT_GDB_CROSS_EXTRA_CONFIG_ARRAY="--enable-xtensa-use-target-regnum --disable-xtensa-remote-g-packet"