diff options
Diffstat (limited to 'Makefile.ide')
| -rw-r--r-- | Makefile.ide | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Makefile.ide b/Makefile.ide new file mode 100644 index 0000000000..f8174f17df --- /dev/null +++ b/Makefile.ide @@ -0,0 +1,75 @@ +# -*- makefile -*- +# vim: set filetype=make : +# Copyright 2022 The ChromiumOS Authors +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. +# +# Embedded Controller firmware build system - IDE integration support +# + +# If env EXTERNAL_TRUNK_PATH is defined, we use this to build the +# absolute path to the ec directory. Otherwise, we just take the abspath of ".". +ide_ec_path_ext = \ + $(if $(EXTERNAL_TRUNK_PATH),$(EXTERNAL_TRUNK_PATH)/src/platform/ec) +ide_ec_path_abs = $(abspath .) +ide_ec_path = $(or $(ide_ec_path_ext),$(ide_ec_path_abs)) + +# Clang doesn't support these GCC options. +ide_cflags = $(filter-out -mno-sched-prolog -fconserve-stack,$(CFLAGS)) + +# The all-ide-compile-cmds target takes about 2 minutes using 8 cores when all +# work is replaced by the |true| command. Thus, the build system itself +# takes 2m independent of the text manipulation. +.PHONY: all-ide-compile-cmds +all-ide-compile-cmds: $(foreach b, $(BOARDS), ide-compile-cmds-$(b)) +ide-compile-cmds-%: + $(MAKE) BOARD=$* V=$(V) ide-compile-cmds + +ide-compile-cmds-y = $(out)/RW/compile_commands.json +ide-compile-cmds-$(CONFIG_FW_INCLUDE_RO) += $(out)/RO/compile_commands.json + +.PHONY: ide-compile-cmds +ide-compile-cmds: $(ide-compile-cmds-y) + +# All but the last file/json-object need to have a trailing comma. +# +# The first sed line prepends 4 spaces to all lines and then adds a +# comma + implicit-newline to the end of the last line of the file. +# The second sed line prepends 4 spaces to all lines and then adds an +# implicit new line. +cmd_combine_compile_cmd_json = \ + printf '[\n' >$@ ;\ + echo $^ | xargs -n1 | head -n-1 | xargs -n1 sed 's/^/ /;$$s/$$/,/' \ + >>$@ ;\ + sed 's/^/ /' $(lastword $^) >>$@ ;\ + printf ']\n' >>$@ ; + +$(out)/RW/compile_commands.json: override BLD:=RW +$(out)/RW/compile_commands.json: private objs := $(rw-objs:.o=.json) +$(out)/RW/compile_commands.json: $(rw-objs:.o=.compile_cmd.json) + $(call quiet,combine_compile_cmd_json,COMBINE) +$(out)/RO/compile_commands.json: override BLD:=RO +$(out)/RO/compile_commands.json: private objs := $(ro-objs:.o=.json) +$(out)/RO/compile_commands.json: $(ro-objs:.o=.compile_cmd.json) + $(call quiet,combine_compile_cmd_json,COMBINE) + +cmd_c_to_compile_cmd_json = \ + printf '{\n' >$@ ;\ + printf ' "arguments": [\n' >>$@ ;\ + printf ' "%s",\n' cc -c -std=gnu11 $(C_WARN) $(ide_cflags) \ + -o $(@D)/$(@F:.compile_cmd.json=.o) >>$@ ;\ + printf ' "$<"\n' >>$@ ;\ + printf ' ],\n' >>$@ ;\ + printf ' "directory": "$(ide_ec_path)",\n' >>$@ ;\ + printf ' "file": "$<"\n' >>$@ ;\ + printf '}\n' >>$@ ; + +$(out)/RO/%.compile_cmd.json:%.c + $(call quiet,c_to_compile_cmd_json,JSON ) +$(out)/RW/%.compile_cmd.json:%.c + $(call quiet,c_to_compile_cmd_json,JSON ) + +$(out)/RO/%.compile_cmd.json:%.S + $(call quiet,c_to_compile_cmd_json,JSON ) +$(out)/RW/%.compile_cmd.json:%.S + $(call quiet,c_to_compile_cmd_json,JSON ) |