1# SPDX-License-Identifier: LGPL-2.1-only
2#
3# Copyright (c) 2004, Intel Corporation.
4
5XEN_ROOT = $(CURDIR)/../..
6include $(XEN_ROOT)/tools/Rules.mk
7
8ifeq ($(ACPI_BUILD_DIR),)
9$(error ACPI_BUILD_DIR not set)
10endif
11
12MK_DSDT = $(ACPI_BUILD_DIR)/mk_dsdt
13
14C_SRC-$(CONFIG_X86) = dsdt_anycpu.c dsdt_15cpu.c dsdt_anycpu_qemu_xen.c dsdt_pvh.c
15C_SRC-$(CONFIG_ARM_64) = dsdt_anycpu_arm.c
16DSDT_FILES ?= $(C_SRC-y)
17C_SRC = $(addprefix $(ACPI_BUILD_DIR)/, $(DSDT_FILES))
18H_SRC = $(addprefix $(ACPI_BUILD_DIR)/, ssdt_s3.h ssdt_s4.h ssdt_pm.h)
19H_SRC += $(addprefix $(ACPI_BUILD_DIR)/, ssdt_tpm.h ssdt_tpm2.h ssdt_laptop_slate.h)
20
21MKDSDT_CFLAGS-$(CONFIG_ARM_64) = -DCONFIG_ARM_64
22MKDSDT_CFLAGS-$(CONFIG_X86) = -DCONFIG_X86
23
24# Suffix for temporary files.
25#
26# We will also use this suffix to workaround a bug in older iasl
27# versions where the tool will ignore everything after last '.' in the
28# path ('-p' argument). By adding ".<suffix>" we force iasl to use
29# complete $(ACPI_BUILD_DIR) as path, even if it has '.' symbols.
30TMP_SUFFIX	= tmp
31
32all: $(C_SRC) $(H_SRC)
33
34$(H_SRC): $(ACPI_BUILD_DIR)/%.h: %.asl
35	$(IASL) -vs -p $(ACPI_BUILD_DIR)/$*.$(TMP_SUFFIX) -tc $<
36	sed -e 's/AmlCode/$*/g' -e 's/_aml_code//g' $(ACPI_BUILD_DIR)/$*.hex >$@
37	rm -f $(addprefix $(ACPI_BUILD_DIR)/, $*.aml $*.hex)
38
39$(MK_DSDT): mk_dsdt.c
40	$(HOSTCC) $(HOSTCFLAGS) $(MKDSDT_CFLAGS-y) $(CFLAGS_xeninclude) -D__XEN_TOOLS__ -o $@ mk_dsdt.c
41
42$(ACPI_BUILD_DIR)/dsdt_anycpu_qemu_xen.asl: dsdt.asl dsdt_acpi_info.asl $(MK_DSDT)
43	# Remove last bracket
44	awk 'NR > 1 {print s} {s=$$0}' $< > $@.$(TMP_SUFFIX)
45	cat dsdt_acpi_info.asl >> $@.$(TMP_SUFFIX)
46	$(MK_DSDT) --debug=$(debug) --dm-version qemu-xen >> $@.$(TMP_SUFFIX)
47	mv -f $@.$(TMP_SUFFIX) $@
48
49# NB. awk invocation is a portable alternative to 'head -n -1'
50$(ACPI_BUILD_DIR)/dsdt_%cpu.asl: dsdt.asl dsdt_acpi_info.asl  $(MK_DSDT)
51	# Remove last bracket
52	awk 'NR > 1 {print s} {s=$$0}' $< > $@.$(TMP_SUFFIX)
53	cat dsdt_acpi_info.asl >> $@.$(TMP_SUFFIX)
54	$(MK_DSDT) --debug=$(debug) --maxcpu $*  >> $@.$(TMP_SUFFIX)
55	mv -f $@.$(TMP_SUFFIX) $@
56
57$(ACPI_BUILD_DIR)/dsdt_pvh.asl: dsdt_acpi_info.asl $(MK_DSDT)
58	printf "DefinitionBlock (\"DSDT.aml\", \"DSDT\", 5, \"Xen\", \"HVM\", 0)\n{" > $@
59	cat dsdt_acpi_info.asl >> $@
60	$(MK_DSDT) --debug=$(debug) --maxcpu any --dm-version none >> $@
61
62$(ACPI_BUILD_DIR)/dsdt_anycpu_arm.asl: $(MK_DSDT)
63	printf "DefinitionBlock (\"DSDT.aml\", \"DSDT\", 3, \"Xen\", \"ARM\", 1)\n{" > $@.$(TMP_SUFFIX)
64	$(MK_DSDT) --debug=$(debug) >> $@.$(TMP_SUFFIX)
65	mv -f $@.$(TMP_SUFFIX) $@
66
67$(C_SRC): $(ACPI_BUILD_DIR)/%.c: $(ACPI_BUILD_DIR)/%.asl
68	$(IASL) -vs -p $(ACPI_BUILD_DIR)/$*.$(TMP_SUFFIX) -tc $<
69	sed -e 's/AmlCode/$*/g' -e 's/_aml_code//g' $(ACPI_BUILD_DIR)/$*.hex > $@.$(TMP_SUFFIX)
70	echo "int $*_len=sizeof($*);" >> $@.$(TMP_SUFFIX)
71	mv -f $@.$(TMP_SUFFIX) $@
72	rm -f $(addprefix $(ACPI_BUILD_DIR)/, $*.aml $*.hex)
73
74clean:
75	rm -f $(C_SRC) $(H_SRC) $(MK_DSDT) $(C_SRC:=.$(TMP_SUFFIX))
76	rm -f $(patsubst %.c,%.hex,$(C_SRC)) $(patsubst %.c,%.aml,$(C_SRC)) $(patsubst %.c,%.asl,$(C_SRC))
77
78distclean: clean
79
80install: all
81
82-include $(DEPS_INCLUDE)
83