Add RV64IMAC toolchain for Muntjac

Author: db434

README.md

@@ -10,6 +10,7 @@ Head over to the
 for pre-built toolchains.
 
 * A GCC RV32IMC without hardfloat support, targeting [Ibex](https://github.com/lowRISC/ibex/)
+* A GCC RV64IMAC, targeting [Muntjac](https://github.com/lowRISC/muntjac)
 * A GCC elf multilib toolchain
 * A GCC linux multilib toolchain, with linux user-space Qemu binaries
 

azure-pipelines.yml

@@ -106,6 +106,40 @@ jobs:
   - template: "_upload-artifacts.yml"
     parameters:
       azure_name: rv32imcb-toolchains
+      
+- job: "Toolchains_RV64IMAC"
+  displayName: "GCC and Clang/LLVM toolchains targeting RV64IMAC (Muntjac)"
+  pool:
+    vmImage: "ubuntu-16.04"
+  timeoutInMinutes: 360
+  steps:
+  - template: "_build-deps.yml"
+
+  - bash: |
+      ./build-gcc-with-args.sh \
+        "lowrisc-toolchain-gcc-rv64imac" \
+        "riscv64-unknown-elf" \
+        "/tools/riscv" \
+        "-march=rv64imac" "-mabi=lp64" "-mcmodel=medany"
+    displayName: 'Build GCC toolchain'
+    env:
+      ARTIFACT_STAGING_DIR: $(Build.ArtifactStagingDirectory)
+      RELEASE_TAG: $(ReleaseTag)
+
+  - bash: |
+      ./build-clang-with-args.sh \
+        "lowrisc-toolchain-rv64imac" \
+        "riscv64-unknown-elf" \
+        "/tools/riscv" \
+        "-march=rv64imac" "-mabi=lp64" "-mcmodel=medany"
+    displayName: "Build Clang toolchain"
+    env:
+      ARTIFACT_STAGING_DIR: $(Build.ArtifactStagingDirectory)
+      RELEASE_TAG: $(ReleaseTag)
+
+  - template: "_upload-artifacts.yml"
+    parameters:
+      azure_name: rv64imac-toolchains
 
 - job: "GCC_Multilib_Baremetal"
   displayName: "RV64 GCC (Multilib Baremetal)"

lowrisc-toolchain-gcc-rv64imac.config

@@ -0,0 +1,46 @@
+CT_CONFIG_VERSION="3"
+CT_EXPERIMENTAL=y
+
+CT_ARCH_RISCV=y
+CT_ARCH_64=y
+
+# CT_ARCH_ARCH controls the specific architecture that the toolchain's libraries
+# are built with. It should specify the minimum RISC-V extensions that need to
+# be implemented by any processor that this toolchain will compile programs for.
+CT_ARCH_ARCH="rv64imac"
+
+# CT_ARCH_ABI controls the specific ABI that the toolchain's libraries are built
+# with. All programs built against this toolchain should follow exactly this
+# ABI.
+CT_ARCH_ABI="lp64"
+
+CT_TARGET_VENDOR=""
+CT_TOOLCHAIN_BUGURL="[email protected]"
+
+CT_CC_GCC_STATIC_LIBSTDCXX=y
+# CT_CC_GCC_LDBL_128 is not set
+CT_CC_LANG_CXX=y
+CT_DEBUG_GDB=y
+CT_GDB_V_8_2=y
+# CT_GDB_CROSS_PYTHON is not set
+CT_ISL_V_0_20=y
+CT_PATCH_ORDER="bundled,local"
+CT_PATCH_BUNDLED_LOCAL=y
+CT_PATCH_USE_LOCAL=y
+
+# Disable progress bar for CI builds, it generates too much log output
+# CT_LOG_PROGRESS_BAR is not set
+
+# Installation prefix directory; the toolchain will end up in exactly
+# this directory.
+CT_PREFIX_DIR="/tools/riscv"
+
+# Don't save tarballs for re-use (needs writable and pre-created
+# CT_LOCAL_TARBALLS_DIR otherwise)
+# CT_SAVE_TARBALLS is not set
+
+# Don't chmod the CT_PREFIX_DIR read-only after the install.
+# CT_PREFIX_DIR_RO is not set
+
+# The build script appends a definition of CT_LOCAL_PATCH_DIR down here, that
+# points to the repo's patch directory.