Add mips

Change-Id: Icb05292877a60939542ce09d9774e4b9d1353502

3 files changed, 240 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index b8db146b..a5bca4fb 100644
--- a/Android.bp
+++ b/Android.bp
@@ -123,6 +123,7 @@ bootstrap_go_package {
 
         "cc/arm_device.go",
         "cc/arm64_device.go",
+        "cc/mips_device.go",
         "cc/x86_device.go",
         "cc/x86_64_device.go",
 
diff --git a/cc/mips_device.go b/cc/mips_device.go
new file mode 100644
index 00000000..52bc1ecf
--- /dev/null
+++ b/cc/mips_device.go
@@ -0,0 +1,231 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cc
+
+import (
+	"strings"
+
+	"android/soong/common"
+)
+
+var (
+	mipsCflags = []string{
+		"-fno-exceptions", // from build/core/combo/select.mk
+		"-Wno-multichar",  // from build/core/combo/select.mk
+		"-O2",
+		"-fomit-frame-pointer",
+		"-fno-strict-aliasing",
+		"-funswitch-loops",
+		"-U__unix",
+		"-U__unix__",
+		"-Umips",
+		"-ffunction-sections",
+		"-fdata-sections",
+		"-funwind-tables",
+		"-Wa,--noexecstack",
+		"-Werror=format-security",
+		"-D_FORTIFY_SOURCE=2",
+		"-no-canonical-prefixes",
+		"-fno-canonical-system-headers",
+
+		// TARGET_RELEASE_CFLAGS
+		"-DNDEBUG",
+		"-g",
+		"-Wstrict-aliasing=2",
+		"-fgcse-after-reload",
+		"-frerun-cse-after-loop",
+		"-frename-registers",
+	}
+
+	mipsCppflags = []string{
+		"-fvisibility-inlines-hidden",
+	}
+
+	mipsLdflags = []string{
+		"-Wl,-z,noexecstack",
+		"-Wl,-z,relro",
+		"-Wl,-z,now",
+		"-Wl,--build-id=md5",
+		"-Wl,--warn-shared-textrel",
+		"-Wl,--fatal-warnings",
+		"-Wl,--allow-shlib-undefined",
+	}
+
+	mipsToolchainLdflags = []string{
+		"-Wl,-melf32ltsmip",
+	}
+
+	mipsArchVariantCflags = map[string][]string{
+		"mips32-fp": []string{
+			"-mips32",
+			"-mfp32",
+			"-modd-spreg",
+			"-mno-synci",
+		},
+		"mips32r2-fp": []string{
+			"-mips32r2",
+			"-mfp32",
+			"-modd-spreg",
+			"-mno-synci",
+		},
+		"mips32r2-fp-xburst": []string{
+			"-mips32r2",
+			"-mfp32",
+			"-modd-spreg",
+			"-mno-fused-madd",
+			"-Wa,-mmxu",
+			"-mno-synci",
+		},
+		"mips32r2dsp-fp": []string{
+			"-mips32r2",
+			"-mfp32",
+			"-modd-spreg",
+			"-mdsp",
+			"-msynci",
+		},
+		"mips32r2dspr2-fp": []string{
+			"-mips32r2",
+			"-mfp32",
+			"-modd-spreg",
+			"-mdspr2",
+			"-msynci",
+		},
+		"mips32r6": []string{
+			"-mips32r6",
+			"-mfp64",
+			"-mno-odd-spreg",
+			"-msynci",
+		},
+	}
+)
+
+func init() {
+	common.RegisterArchFeatures(common.Mips, "mips32r6",
+		"rev6")
+
+	pctx.StaticVariable("mipsGccVersion", "4.9")
+
+	pctx.StaticVariable("mipsGccRoot",
+		"prebuilts/gcc/${HostPrebuiltTag}/mips/mips64el-linux-android-${armGccVersion}")
+
+	pctx.StaticVariable("mipsGccTriple", "mips64el-linux-android")
+
+	pctx.StaticVariable("mipsToolchainLdflags", strings.Join(mipsToolchainLdflags, " "))
+	pctx.StaticVariable("mipsCflags", strings.Join(mipsCflags, " "))
+	pctx.StaticVariable("mipsLdflags", strings.Join(mipsLdflags, " "))
+	pctx.StaticVariable("mipsCppflags", strings.Join(mipsCppflags, " "))
+	pctx.StaticVariable("mipsIncludeFlags", strings.Join([]string{
+		"-isystem ${LibcRoot}/arch-mips/include",
+		"-isystem ${LibcRoot}/include",
+		"-isystem ${LibcRoot}/kernel/uapi",
+		"-isystem ${LibcRoot}/kernel/uapi/asm-mips",
+		"-isystem ${LibmRoot}/include",
+		"-isystem ${LibmRoot}/include/mips",
+	}, " "))
+
+	// Clang cflags
+	pctx.StaticVariable("mipsClangTriple", "mipsel-linux-android")
+	pctx.StaticVariable("mipsClangCflags", strings.Join(clangFilterUnknownCflags(mipsCflags), " "))
+	pctx.StaticVariable("mipsClangLdflags", strings.Join(clangFilterUnknownCflags(mipsLdflags), " "))
+	pctx.StaticVariable("mipsClangCppflags", strings.Join(clangFilterUnknownCflags(mipsCppflags), " "))
+
+	// Extended cflags
+
+	// Architecture variant cflags
+	for variant, cflags := range mipsArchVariantCflags {
+		pctx.StaticVariable("mips"+variant+"VariantCflags", strings.Join(cflags, " "))
+		pctx.StaticVariable("mips"+variant+"VariantClangCflags",
+			strings.Join(clangFilterUnknownCflags(cflags), " "))
+	}
+}
+
+type toolchainMips struct {
+	toolchain32Bit
+	cflags, clangCflags                   string
+	toolchainCflags, toolchainClangCflags string
+}
+
+func (t *toolchainMips) Name() string {
+	return "mips"
+}
+
+func (t *toolchainMips) GccRoot() string {
+	return "${mipsGccRoot}"
+}
+
+func (t *toolchainMips) GccTriple() string {
+	return "${mipsGccTriple}"
+}
+
+func (t *toolchainMips) GccVersion() string {
+	return "${mipsGccVersion}"
+}
+
+func (t *toolchainMips) ToolchainLdflags() string {
+	return "${mipsToolchainLdflags}"
+}
+
+func (t *toolchainMips) ToolchainCflags() string {
+	return t.toolchainCflags
+}
+
+func (t *toolchainMips) Cflags() string {
+	return t.cflags
+}
+
+func (t *toolchainMips) Cppflags() string {
+	return "${mipsCppflags}"
+}
+
+func (t *toolchainMips) Ldflags() string {
+	return "${mipsLdflags}"
+}
+
+func (t *toolchainMips) IncludeFlags() string {
+	return "${mipsIncludeFlags}"
+}
+
+func (t *toolchainMips) ClangTriple() string {
+	return "${mipsClangTriple}"
+}
+
+func (t *toolchainMips) ToolchainClangCflags() string {
+	return t.toolchainClangCflags
+}
+
+func (t *toolchainMips) ClangCflags() string {
+	return t.clangCflags
+}
+
+func (t *toolchainMips) ClangCppflags() string {
+	return "${mipsClangCppflags}"
+}
+
+func (t *toolchainMips) ClangLdflags() string {
+	return "${mipsClangLdflags}"
+}
+
+func mipsToolchainFactory(arch common.Arch) Toolchain {
+	return &toolchainMips{
+		cflags:               "${mipsCflags}",
+		clangCflags:          "${mipsClangCflags}",
+		toolchainCflags:      "${mips" + arch.ArchVariant + "VariantCflags}",
+		toolchainClangCflags: "${mips" + arch.ArchVariant + "VariantClangCflags}",
+	}
+}
+
+func init() {
+	registerToolchainFactory(common.Device, common.Mips, mipsToolchainFactory)
+}
diff --git a/common/arch.go b/common/arch.go
index 4753f5a3..fd2969ea 100644
--- a/common/arch.go
+++ b/common/arch.go
@@ -152,6 +152,14 @@ type archProperties struct {
 			Embed `blueprint:"filter(android:\"arch_variant\")"`
 
 			// Mips arch variants
+			Mips32_fp          interface{} `blueprint:"filter(android:\"arch_variant\")"`
+			Mips32r2_fp        interface{} `blueprint:"filter(android:\"arch_variant\")"`
+			Mips32r2_fp_xburst interface{} `blueprint:"filter(android:\"arch_variant\")"`
+			Mips32r2dsp_fp     interface{} `blueprint:"filter(android:\"arch_variant\")"`
+			Mips32r2dspr2_fp   interface{} `blueprint:"filter(android:\"arch_variant\")"`
+			Mips32r6           interface{} `blueprint:"filter(android:\"arch_variant\")"`
+
+			// Mips arch features
 			Rev6 interface{} `blueprint:"filter(android:\"arch_variant\")"`
 		}