feat: build OHOS_Image from kernel

using OHOS_Image as liteos default name

Signed-off-by: Caoruihong <crh.cao@huawei.com>
Change-Id: I00bcc9a6747ffde0f07f3d243150055a644df02f

BUILD.gn

@@ -31,8 +31,12 @@ import("//build/lite/config/component/lite_component.gni")
 
 declare_args() {
   tee_enable = false
+  liteos_name = "OHOS_Image"
 }
 
+cmd = "if [ -f $device_path/BUILD.gn ]; then echo true; else echo false; fi"
+HAVE_DEVICE_SDK = exec_script("//build/lite/run_shell_cmd.py", [ cmd ], "value")
+
 LITEOS_MENUCONFIG_H = rebase_path("$root_out_dir/config.h")
 
 tee = ""
@@ -66,7 +70,7 @@ if (exec_script("//build/lite/run_shell_cmd.py", [ "if [ -f $f ]; then echo true
 
 print("liteos_config_file:", liteos_config_file)
 
-exec_script("//build/lite/run_shell_cmd.py", [ "which genconfig || pip install --user kconfiglib" ])
+exec_script("//build/lite/run_shell_cmd.py", [ "which genconfig || pip3 install --user kconfiglib" ])
 
 exec_script("//build/lite/run_shell_cmd.py",
             [
@@ -156,8 +160,16 @@ config("public") {
     "net:public",
     "shell:public",
     "lib:public",
-    ":std_include",
   ]
+
+  configs += [
+    "$HDFTOPDIR:public",
+    "//drivers/liteos:public",
+  ]
+
+  if (HAVE_DEVICE_SDK) {
+    configs += [ "$device_path:public" ]
+  }
 }
 
 config("los_nostdinc") {
@@ -259,21 +271,20 @@ config("los_config") {
     ":arch_config",
     ":los_nostdinc",
     ":los_nostdlib",
+    ":std_include",
   ]
 }
 
-liteos_name = "liteos2"
-liteos_out = rebase_path("$target_out_dir/$liteos_name")
-executable(liteos_name) {
+executable("liteos") {
   configs = [] # clear default configs
   configs += [ ":los_config" ]
+  configs += [ ":public" ]
 
   ldflags = [
     "-static",
     "-Wl,--gc-sections",
-    "-Wl,-Map=" + rebase_path("$liteos_out.map"),
+    "-Wl,-Map=$liteos_name.map",
     "-Wl,--no-eh-frame-hdr",
-    "-Wl,--whole-archive",
   ]
 
   libgcc = exec_script("//build/lite/run_shell_cmd.py", [ "$cc -print-libgcc-file-name" ], "trim string")
@@ -282,28 +293,33 @@ executable(liteos_name) {
     ldflags += [ "-Wl,-T" + rebase_path("tools/build/liteos_llvm.ld", root_build_dir) ]
   } else {
     ldflags += [ "-Wl,-T" + rebase_path("tools/build/liteos.ld", root_build_dir) ]
-    ldflags += [ "-nostartfiles" ]
+    ldflags += [ "-Wl,-nostartfiles" ]
   }
 
   output_dir = target_out_dir
+  output_name = liteos_name
 
   deps = [
     ":modules",
   ]
 }
 
-build_ext_component("build_liteos_bin") {
-  deps = [ ":$liteos_name" ]
-  exec_path = rebase_path(target_out_dir)
+copy("copy_liteos") {
+  deps = [ ":liteos" ]
+  sources = [ "$target_out_dir/unstripped/bin/$liteos_name" ]
+  outputs = [ "$root_out_dir/{{source_file_part}}" ]
+}
+
+build_ext_component("build_kernel_image") {
+  deps = [ ":copy_liteos" ]
+  exec_path = rebase_path(root_out_dir)
 
   objcopy = "${compile_prefix}objcopy$toolchain_cmd_suffix"
   objdump = "${compile_prefix}objdump$toolchain_cmd_suffix"
 
-  liteos = rebase_path("$target_out_dir/unstripped/bin/$liteos_name")
-
-  command = "$objcopy -O binary $liteos $liteos_out.bin"
-  command += " && sh -c '$objdump -t $liteos | sort >$liteos_out.sym.sorted'"
-  command += " && sh -c '$objdump -d $liteos >$liteos_out.asm'"
+  command = "$objcopy -O binary $liteos_name $liteos_name.bin"
+  command += " && sh -c '$objdump -t $liteos_name | sort >$liteos_name.sym.sorted'"
+  command += " && sh -c '$objdump -d $liteos_name >$liteos_name.asm'"
 }
 
 group("modules") {
@@ -321,6 +337,15 @@ group("modules") {
     "shell",
     "syscall",
   ]
+
+  deps += [
+    "$HDFTOPDIR",
+    "//drivers/liteos",
+  ]
+
+  if (HAVE_DEVICE_SDK) {
+    deps += [ device_path ]
+  }
 }
 
 group("apps") {
@@ -332,10 +357,7 @@ group("tests") {
 }
 
 group("kernel") {
-  deps = [
-    ":make",
-    ":tests",
-  ]
+  deps = [ ":build_kernel_image" ]
 }
 
 group("liteos_a") {

Makefile

@@ -67,7 +67,7 @@ CONFIG ?= $(PRODUCT_PATH)/config/debug$(tee).config
 endif
 
 ifeq ($(shell which menuconfig),)
-$(shell pip install --user kconfiglib >/dev/null)
+$(shell pip3 install --user kconfiglib >/dev/null)
 endif
 $(shell env CONFIG_=$(CONFIG_) DEVICE_PATH=$(DEVICE_PATH) olddefconfig >/dev/null)
 

drivers/BUILD.gn

@@ -29,9 +29,6 @@
 
 import("//kernel/liteos_a/liteos.gni")
 
-cmd = "if [ -f $device_path/drivers/BUILD.gn ]; then echo true; else echo false; fi"
-HAVE_DEVICE_DRIVERS = exec_script("//build/lite/run_shell_cmd.py", [ cmd ], "value")
-
 module_switch = defined(LOSCFG_DRIVERS)
 group("drivers") {
   if (module_switch) {
@@ -43,12 +40,7 @@ group("drivers") {
       "char/random",
       "char/video",
       "mtd/multi_partition",
-      "//drivers/adapter/khdf/liteos",
-      "//drivers/liteos",
     ]
-    if (HAVE_DEVICE_DRIVERS) {
-      deps += [ "$device_path/drivers" ]
-    }
   }
 }
 
@@ -61,10 +53,5 @@ config("public") {
     "char/random:public",
     "char/video:public",
     "mtd/multi_partition:public",
-    "//drivers/adapter/khdf/liteos:public",
-    "//drivers/liteos:public",
   ]
-  if (HAVE_DEVICE_DRIVERS) {
-    configs += [ "$device_path/drivers:public" ]
-  }
 }

kernel/user/BUILD.gn

@@ -50,14 +50,18 @@ executable(module_name) {
   ]
 
   output_dir = target_out_dir
-  output_name = "lib$module_name"
-  output_extension = "O"
 }
 
 group("user") {
   public_deps = [ ":$module_name" ]
+  deps = [ ":copy_userinit" ]
 }
 
 config("public") {
-  lib_dirs = [ "$target_out_dir/unstripped/bin" ]
+}
+
+copy("copy_userinit") {
+  deps = [ ":$module_name" ]
+  sources = [ "$target_out_dir/unstripped/bin/$module_name" ]
+  outputs = [ "$root_out_dir/lib$module_name.O" ]
 }

liteos.gni

@@ -39,7 +39,7 @@ template("kernel_module") {
       not_needed(invoker, "*")
     }
   } else {
-    static_library(target_name) {
+    source_set(target_name) {
       forward_variables_from(invoker, "*")
     }
   }

platform/BUILD.gn

@@ -29,9 +29,6 @@
 
 import("//kernel/liteos_a/liteos.gni")
 
-cmd = "if [ -f " + rebase_path("//$LOSCFG_BOARD_CONFIG_PATH/BUILD.gn") + " ]; then echo true; else echo false; fi"
-HAVE_BOARD_CONFIG = exec_script("//build/lite/run_shell_cmd.py", [ cmd ], "value")
-
 module_name = "bsp"
 kernel_module(module_name) {
   sources = [ "main.c" ]
@@ -64,18 +61,10 @@ kernel_module(module_name) {
 group("platform") {
   public_deps = [ ":$module_name" ]
   deps = [ ":board.ld" ]
-  if (HAVE_BOARD_CONFIG) {
-    deps += [ "//$LOSCFG_BOARD_CONFIG_PATH" ]
-  }
 }
 
 config("public") {
-  include_dirs = [
-    ".",
-  ]
-  if (HAVE_BOARD_CONFIG) {
-    configs = [ "//$LOSCFG_BOARD_CONFIG_PATH:public" ]
-  }
+  include_dirs = [ "." ]
 }
 
 source_set("board") {
@@ -84,8 +73,7 @@ source_set("board") {
   configs = []
   configs += [
     "$LITEOSTOPDIR:los_config",
-    "$LITEOSTOPDIR/kernel/base:public",
-    ":public",
+    "$LITEOSTOPDIR:public",
   ]
 
   asmflags = [

tools/build/mk/los_config.mk

@@ -29,6 +29,10 @@
 
 CONFIG_FILE ?= $(LITEOSTOPDIR)/.config
 -include $(CONFIG_FILE)
+LOSCFG_BOARD_CONFIG_PATH := $(LOSCFG_BOARD_CONFIG_PATH:"%"=%)
+ifeq ($(wildcard $(LITEOSTOPDIR)/../../$(LOSCFG_BOARD_CONFIG_PATH) $(LOSCFG_BOARD_CONFIG_PATH)),)
+LOSCFG_BOARD_CONFIG_PATH := $(LOSCFG_BOARD_CONFIG_PATH:%/config/board=%/board)
+endif
 ifeq ($(LOSCFG_COMPILER_HIMIX_32), y)
 CROSS_COMPILE := arm-linux-ohoseabi-
 else ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)