Add armebv6m_soft_nofp variants (#626)

Author: vhscampos

arm-multilib/json/multilib.json

@@ -94,6 +94,16 @@
             "json": "armv6m_soft_nofp.json",
             "flags": "--target=thumbv6m-unknown-none-eabi -mfpu=none -fno-exceptions -fno-rtti -mno-unaligned-access"
         },
+        {
+            "variant": "armebv6m_soft_nofp_exn_rtti",
+            "json": "armebv6m_soft_nofp_exn_rtti.json",
+            "flags": "--target=thumbebv6m-unknown-none-eabi -mfpu=none"
+        },
+        {
+            "variant": "armebv6m_soft_nofp",
+            "json": "armebv6m_soft_nofp.json",
+            "flags": "--target=thumbebv6m-unknown-none-eabi -mfpu=none -fno-exceptions -fno-rtti"
+        },
         {
             "variant": "armv7a_soft_nofp_exn_rtti_unaligned",
             "json": "armv7a_soft_nofp_exn_rtti_unaligned.json",

arm-multilib/json/variants/armebv6m_soft_nofp.json

@@ -0,0 +1,40 @@
+{
+    "args": {
+        "common": {
+            "TARGET_ARCH": "armv6m",
+            "VARIANT": "armebv6m_soft_nofp",
+            "COMPILE_FLAGS": "-mfloat-abi=soft -march=armv6m -mbig-endian -mfpu=none -mno-unaligned-access",
+            "ENABLE_EXCEPTIONS": "OFF",
+            "ENABLE_RTTI": "OFF",
+            "TEST_EXECUTOR": "fvp",
+            "FVP_MODEL": "corstone-310",
+            "FVP_CONFIG": "cortex-m85 m-big-endian m-nofp mve-none",
+            "BOOT_FLASH_ADDRESS": "0x01000000",
+            "BOOT_FLASH_SIZE": "2M",
+            "FLASH_ADDRESS": "0x60000000",
+            "FLASH_SIZE": "0x1000000",
+            "RAM_ADDRESS": "0x61000000",
+            "RAM_SIZE": "0x1000000",
+            "STACK_SIZE": "4K"
+        },
+        "picolibc": {
+            "PICOLIBC_BUILD_TYPE": "minsize",
+            "ENABLE_CXX_LIBS": "ON",
+            "ENABLE_LIBC_TESTS": "ON",
+            "ENABLE_COMPILER_RT_TESTS": "ON",
+            "ENABLE_LIBCXX_TESTS": "ON"
+        },
+        "newlib": {
+            "ENABLE_CXX_LIBS": "ON",
+            "ENABLE_LIBC_TESTS": "OFF",
+            "ENABLE_COMPILER_RT_TESTS": "OFF",
+            "ENABLE_LIBCXX_TESTS": "OFF"
+        },
+        "llvmlibc": {
+            "ENABLE_CXX_LIBS": "OFF",
+            "ENABLE_LIBC_TESTS": "OFF",
+            "ENABLE_COMPILER_RT_TESTS": "OFF",
+            "ENABLE_LIBCXX_TESTS": "OFF"
+        }
+    }
+}

arm-multilib/json/variants/armebv6m_soft_nofp_exn_rtti.json

@@ -0,0 +1,40 @@
+{
+    "args": {
+        "common": {
+            "TARGET_ARCH": "armv6m",
+            "VARIANT": "armebv6m_soft_nofp_exn_rtti",
+            "COMPILE_FLAGS": "-mfloat-abi=soft -march=armv6m -mbig-endian -mfpu=none -mno-unaligned-access",
+            "ENABLE_EXCEPTIONS": "ON",
+            "ENABLE_RTTI": "ON",
+            "TEST_EXECUTOR": "fvp",
+            "FVP_MODEL": "corstone-310",
+            "FVP_CONFIG": "cortex-m85 m-big-endian m-nofp mve-none",
+            "BOOT_FLASH_ADDRESS": "0x01000000",
+            "BOOT_FLASH_SIZE": "2M",
+            "FLASH_ADDRESS": "0x60000000",
+            "FLASH_SIZE": "0x1000000",
+            "RAM_ADDRESS": "0x61000000",
+            "RAM_SIZE": "0x1000000",
+            "STACK_SIZE": "4K"
+        },
+        "picolibc": {
+            "PICOLIBC_BUILD_TYPE": "minsize",
+            "ENABLE_CXX_LIBS": "ON",
+            "ENABLE_LIBC_TESTS": "ON",
+            "ENABLE_COMPILER_RT_TESTS": "ON",
+            "ENABLE_LIBCXX_TESTS": "ON"
+        },
+        "newlib": {
+            "ENABLE_CXX_LIBS": "ON",
+            "ENABLE_LIBC_TESTS": "OFF",
+            "ENABLE_COMPILER_RT_TESTS": "OFF",
+            "ENABLE_LIBCXX_TESTS": "OFF"
+        },
+        "llvmlibc": {
+            "ENABLE_CXX_LIBS": "OFF",
+            "ENABLE_LIBC_TESTS": "OFF",
+            "ENABLE_COMPILER_RT_TESTS": "OFF",
+            "ENABLE_LIBCXX_TESTS": "OFF"
+        }
+    }
+}

fvp/config/m-big-endian.cfg

@@ -0,0 +1,2 @@
+# SPDX-FileCopyrightText: Copyright 2024 Arm Limited and/or its affiliates <[email protected]>
+cpu0.CFGBIGEND=1

test/multilib/armv6m.test

@@ -13,3 +13,13 @@
 # RUN: %clang -print-multi-directory --target=armv6m-none-eabi -mfpu=none -fno-exceptions -fno-rtti -mno-unaligned-access | FileCheck %s --check-prefix=CHECK-NOFP
 # CHECK-NOFP: arm-none-eabi/armv6m_soft_nofp{{$}}
 # CHECK-NOFP-EMPTY:
+
+# RUN: %clang -print-multi-directory --target=armv6m-none-eabi -mbig-endian -mfpu=none -fno-exceptions -fno-rtti | FileCheck %s --check-prefix=CHECK-BE-NOFP
+# RUN: %clang -print-multi-directory --target=armv6m-none-eabi -mbig-endian -mfpu=none -fno-exceptions -fno-rtti -mno-unaligned-access | FileCheck %s --check-prefix=CHECK-BE-NOFP
+# CHECK-BE-NOFP: arm-none-eabi/armebv6m_soft_nofp{{$}}
+# CHECK-BE-NOFP-EMPTY:
+
+# RUN: %clang -print-multi-directory --target=armv6m-none-eabi -mbig-endian -mfpu=none | FileCheck %s --check-prefix=CHECK-BE-NOFP-EXN-RTTI
+# RUN: %clang -print-multi-directory --target=armv6m-none-eabi -mbig-endian -mfpu=none -mno-unaligned-access | FileCheck %s --check-prefix=CHECK-BE-NOFP-EXN-RTTI
+# CHECK-BE-NOFP-EXN-RTTI: arm-none-eabi/armebv6m_soft_nofp_exn_rtti{{$}}
+# CHECK-BE-NOFP-EXN-RTTI-EMPTY: