Merge "Add more comments to arch.go"

This commit is contained in:
Treehugger Robot
2020-11-19 22:45:15 +00:00
committed by Gerrit Code Review
5 changed files with 768 additions and 539 deletions

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@@ -15,6 +15,7 @@ bootstrap_go_package {
"apex.go",
"api_levels.go",
"arch.go",
"arch_list.go",
"bazel_handler.go",
"config.go",
"csuite_config.go",

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410
android/arch_list.go Normal file
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@@ -0,0 +1,410 @@
// Copyright 2020 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 android
import "fmt"
var archVariants = map[ArchType][]string{
Arm: {
"armv7-a",
"armv7-a-neon",
"armv8-a",
"armv8-2a",
"cortex-a7",
"cortex-a8",
"cortex-a9",
"cortex-a15",
"cortex-a53",
"cortex-a53-a57",
"cortex-a55",
"cortex-a72",
"cortex-a73",
"cortex-a75",
"cortex-a76",
"krait",
"kryo",
"kryo385",
"exynos-m1",
"exynos-m2",
},
Arm64: {
"armv8_a",
"armv8_2a",
"armv8-2a-dotprod",
"cortex-a53",
"cortex-a55",
"cortex-a72",
"cortex-a73",
"cortex-a75",
"cortex-a76",
"kryo",
"kryo385",
"exynos-m1",
"exynos-m2",
},
X86: {
"amberlake",
"atom",
"broadwell",
"haswell",
"icelake",
"ivybridge",
"kabylake",
"sandybridge",
"silvermont",
"skylake",
"stoneyridge",
"tigerlake",
"whiskeylake",
"x86_64",
},
X86_64: {
"amberlake",
"broadwell",
"haswell",
"icelake",
"ivybridge",
"kabylake",
"sandybridge",
"silvermont",
"skylake",
"stoneyridge",
"tigerlake",
"whiskeylake",
},
}
var archFeatures = map[ArchType][]string{
Arm: {
"neon",
},
Arm64: {
"dotprod",
},
X86: {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"aes_ni",
"avx",
"avx2",
"avx512",
"popcnt",
"movbe",
},
X86_64: {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"aes_ni",
"avx",
"avx2",
"avx512",
"popcnt",
},
}
var archFeatureMap = map[ArchType]map[string][]string{
Arm: {
"armv7-a-neon": {
"neon",
},
"armv8-a": {
"neon",
},
"armv8-2a": {
"neon",
},
},
Arm64: {
"armv8-2a-dotprod": {
"dotprod",
},
},
X86: {
"amberlake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"aes_ni",
"popcnt",
},
"atom": {
"ssse3",
"movbe",
},
"broadwell": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"aes_ni",
"popcnt",
},
"haswell": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"aes_ni",
"avx",
"popcnt",
"movbe",
},
"icelake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"avx512",
"aes_ni",
"popcnt",
},
"ivybridge": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"aes_ni",
"avx",
"popcnt",
},
"kabylake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"aes_ni",
"popcnt",
},
"sandybridge": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"popcnt",
},
"silvermont": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"aes_ni",
"popcnt",
"movbe",
},
"skylake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"avx512",
"aes_ni",
"popcnt",
},
"stoneyridge": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"aes_ni",
"avx",
"avx2",
"popcnt",
"movbe",
},
"tigerlake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"avx512",
"aes_ni",
"popcnt",
},
"whiskeylake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"avx512",
"aes_ni",
"popcnt",
},
"x86_64": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"popcnt",
},
},
X86_64: {
"amberlake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"aes_ni",
"popcnt",
},
"broadwell": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"aes_ni",
"popcnt",
},
"haswell": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"aes_ni",
"avx",
"popcnt",
},
"icelake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"avx512",
"aes_ni",
"popcnt",
},
"ivybridge": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"aes_ni",
"avx",
"popcnt",
},
"kabylake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"aes_ni",
"popcnt",
},
"sandybridge": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"popcnt",
},
"silvermont": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"aes_ni",
"popcnt",
},
"skylake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"avx512",
"aes_ni",
"popcnt",
},
"stoneyridge": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"aes_ni",
"avx",
"avx2",
"popcnt",
},
"tigerlake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"avx512",
"aes_ni",
"popcnt",
},
"whiskeylake": {
"ssse3",
"sse4",
"sse4_1",
"sse4_2",
"avx",
"avx2",
"avx512",
"aes_ni",
"popcnt",
},
},
}
var defaultArchFeatureMap = map[OsType]map[ArchType][]string{}
// RegisterDefaultArchVariantFeatures is called by files that define Toolchains to specify the
// arch features that are available for the default arch variant. It must be called from an
// init() function.
func RegisterDefaultArchVariantFeatures(os OsType, arch ArchType, features ...string) {
checkCalledFromInit()
for _, feature := range features {
if !InList(feature, archFeatures[arch]) {
panic(fmt.Errorf("Invalid feature %q for arch %q variant \"\"", feature, arch))
}
}
if defaultArchFeatureMap[os] == nil {
defaultArchFeatureMap[os] = make(map[ArchType][]string)
}
defaultArchFeatureMap[os][arch] = features
}

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@@ -183,7 +183,7 @@ func InitDefaultsModule(module DefaultsModule) {
initAndroidModuleBase(module)
initProductVariableModule(module)
InitArchModule(module)
initArchModule(module)
InitDefaultableModule(module)
// Add properties that will not have defaults applied to them.

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@@ -717,7 +717,9 @@ type commonProperties struct {
DebugMutators []string `blueprint:"mutated"`
DebugVariations []string `blueprint:"mutated"`
// set by ImageMutator
// ImageVariation is set by ImageMutator to specify which image this variation is for,
// for example "" for core or "recovery" for recovery. It will often be set to one of the
// constants in image.go, but can also be set to a custom value by individual module types.
ImageVariation string `blueprint:"mutated"`
}
@@ -825,6 +827,8 @@ func initAndroidModuleBase(m Module) {
m.base().module = m
}
// InitAndroidModule initializes the Module as an Android module that is not architecture-specific.
// It adds the common properties, for example "name" and "enabled".
func InitAndroidModule(m Module) {
initAndroidModuleBase(m)
base := m.base()
@@ -844,6 +848,12 @@ func InitAndroidModule(m Module) {
setPrimaryVisibilityProperty(m, "visibility", &base.commonProperties.Visibility)
}
// InitAndroidArchModule initializes the Module as an Android module that is architecture-specific.
// It adds the common properties, for example "name" and "enabled", as well as runtime generated
// property structs for architecture-specific versions of generic properties tagged with
// `android:"arch_variant"`.
//
// InitAndroidModule should not be called if InitAndroidArchModule was called.
func InitAndroidArchModule(m Module, hod HostOrDeviceSupported, defaultMultilib Multilib) {
InitAndroidModule(m)
@@ -857,16 +867,33 @@ func InitAndroidArchModule(m Module, hod HostOrDeviceSupported, defaultMultilib
m.AddProperties(&base.hostAndDeviceProperties)
}
InitArchModule(m)
initArchModule(m)
}
// InitAndroidMultiTargetsArchModule initializes the Module as an Android module that is
// architecture-specific, but will only have a single variant per OS that handles all the
// architectures simultaneously. The list of Targets that it must handle will be available from
// ModuleContext.MultiTargets. It adds the common properties, for example "name" and "enabled", as
// well as runtime generated property structs for architecture-specific versions of generic
// properties tagged with `android:"arch_variant"`.
//
// InitAndroidModule or InitAndroidArchModule should not be called if
// InitAndroidMultiTargetsArchModule was called.
func InitAndroidMultiTargetsArchModule(m Module, hod HostOrDeviceSupported, defaultMultilib Multilib) {
InitAndroidArchModule(m, hod, defaultMultilib)
m.base().commonProperties.UseTargetVariants = false
}
// As InitAndroidMultiTargetsArchModule except it creates an additional CommonOS variant that
// has dependencies on all the OsType specific variants.
// InitCommonOSAndroidMultiTargetsArchModule initializes the Module as an Android module that is
// architecture-specific, but will only have a single variant per OS that handles all the
// architectures simultaneously, and will also have an additional CommonOS variant that has
// dependencies on all the OS-specific variants. The list of Targets that it must handle will be
// available from ModuleContext.MultiTargets. It adds the common properties, for example "name" and
// "enabled", as well as runtime generated property structs for architecture-specific versions of
// generic properties tagged with `android:"arch_variant"`.
//
// InitAndroidModule, InitAndroidArchModule or InitAndroidMultiTargetsArchModule should not be
// called if InitCommonOSAndroidMultiTargetsArchModule was called.
func InitCommonOSAndroidMultiTargetsArchModule(m Module, hod HostOrDeviceSupported, defaultMultilib Multilib) {
InitAndroidArchModule(m, hod, defaultMultilib)
m.base().commonProperties.UseTargetVariants = false