blob: 355648cc51080b2c9084f96405dc1bc8e8b7d6db [file] [log] [blame]
David Brazdilf5d32762021-08-23 08:40:18 +00001# Copyright 2021 The Android KVM Authors
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7# http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15# Find the toolchain path for the current OS.
16UNNAME_S := $(shell uname -s | tr '[:upper:]' '[:lower:]')
17TOOLCHAIN_arm64_clang := $(ROOT_DIR)/toolchains/$(UNNAME_S)-x86/clang/clang-r416183b
18TOOLCHAIN_arm64_gcc-5.1 := $(ROOT_DIR)/toolchains/$(UNNAME_S)-x86/gcc/aarch64-linux-gnu-5.1
19TOOLCHAIN_arm64_gcc-9.2 := $(ROOT_DIR)/toolchains/$(UNNAME_S)-x86/gcc/aarch64-linux-gnu-9.2
20
21# Set the toolchain build binary paths and prefixes.
22TARGET_arm64_clang := aarch64-linux-gnu
23TARGET_arm64_gcc-5.1 := aarch64-linux-gnu
24TARGET_arm64_gcc-9.2 := aarch64-none-linux-gnu
25
26#
27# $(1): toolchain name
28# $(2): toolchain variables' prefix
29#
30define define_toolchain
31 $(2)TOOLCHAIN_IS_LEGACY := 0
32 $(2)TOOLCHAIN_IS_LLVM := 0
33
34 ifeq ($(1), gcc-5.1)
35 $(2)TOOLCHAIN_IS_LEGACY := 1
36 else ifeq ($(1), gcc-9.2)
37 else ifeq ($(1), clang)
38 $(2)TOOLCHAIN_IS_LLVM := 1
39 else
40 $$(error Unrecognized toolchain: $(1))
41 endif
42
43 $(2)TOOLCHAIN_BIN := $(TOOLCHAIN_$(ARCH)_$(1))/bin
44 $(2)TARGET := $(TARGET_$(ARCH)_$(1))
45
46 ifeq ($$($(2)TOOLCHAIN_IS_LLVM),1)
47 $(2)CC := $$($(2)TOOLCHAIN_BIN)/clang
48 $(2)LD := $$($(2)TOOLCHAIN_BIN)/ld.lld
49 $(2)OBJCOPY := $$($(2)TOOLCHAIN_BIN)/llvm-objcopy
50 $(2)OBJDUMP := $$($(2)TOOLCHAIN_BIN)/llvm-objdump
51 else
52 $(2)CC := $$($(2)TOOLCHAIN_BIN)/$$($(2)TARGET)-gcc
53 $(2)LD := $$($(2)TOOLCHAIN_BIN)/$$($(2)TARGET)-ld
54 $(2)OBJCOPY := $$($(2)TOOLCHAIN_BIN)/$$($(2)TARGET)-objcopy
55 $(2)OBJDUMP := $$($(2)TOOLCHAIN_BIN)/$$($(2)TARGET)-objdump
56 endif
57endef