1# Get the dir of the ta-dev-kit, requires make version 3.81 or later
2ta-dev-kit-dir := $(patsubst %/,%,$(abspath $(dir $(lastword $(MAKEFILE_LIST)))..))
3
4.PHONY: all
5all:
6
7include $(ta-dev-kit-dir)/mk/conf.mk
8ta-dev-kit-dir$(sm) := $(ta-dev-kit-dir)
9
10ifneq (1, $(words $(BINARY) $(LIBNAME) $(SHLIBNAME)))
11$(error You must specify exactly one of BINARY, LIBNAME or SHLIBNAME)
12endif
13
14ifneq ($O,)
15out-dir := $O
16else
17out-dir := .
18endif
19link-out-dir := $(out-dir)	# backward compat
20link-out-dir$(sm) := $(out-dir)
21
22user-ta-uuid := $(BINARY)
23user-ta-version := $(if $(CFG_TA_VERSION),$(CFG_TA_VERSION),0)
24user-ta-ldadd := $(LDADD)
25libname := $(LIBNAME)
26shlibname := $(SHLIBNAME)
27shlibuuid := $(SHLIBUUID)
28
29arch-bits-ta_arm32 := 32
30arch-bits-ta_arm64 := 64
31
32# For convenience
33ifdef CFLAGS
34CFLAGS32 ?= $(CFLAGS)
35CFLAGS64 ?= $(CFLAGS)
36endif
37
38ifneq ($V,1)
39q := @
40cmd-echo := true
41cmd-echo-silent := echo
42else
43q :=
44cmd-echo := echo
45cmd-echo-silent := true
46endif
47
48ifneq ($(filter 4.%,$(MAKE_VERSION)),)  # make-4
49ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)
50cmd-echo-silent := true
51endif
52else                                    # make-3.8x
53ifneq ($(findstring s, $(MAKEFLAGS)),)
54cmd-echo-silent := true
55endif
56endif
57
58cppflags$(sm)  := $($(sm)-platform-cppflags) $(CPPFLAGS_$(sm))
59aflags$(sm)    := $($(sm)-platform-aflags)
60cflags$(sm)    := $($(sm)-platform-cflags) $(CFLAGS_$(sm))
61cxxflags$(sm)  := $($(sm)-platform-cxxflags) $(CXXFLAGS_$(sm))
62ifneq (,$(shlibname))
63# Exception handling is not supported in shared libraries (with GCC it would
64# require to use the shared libgcc, which depend on the GNU libc)
65cxxflags$(sm)  += -fno-exceptions
66endif
67
68CFG_TEE_TA_LOG_LEVEL ?= 2
69cppflags$(sm) += -DTRACE_LEVEL=$(CFG_TEE_TA_LOG_LEVEL)
70
71cppflags$(sm) += -I. -I$(ta-dev-kit-dir$(sm))/include
72
73ifeq ($(CFG_TA_MCOUNT),y)
74cppflags$(sm) += -pg
75endif
76
77libdirs += $(ta-dev-kit-dir$(sm))/lib
78libnames += utils
79libdeps += $(ta-dev-kit-dir$(sm))/lib/libutils.a
80libnames += utee
81libdeps += $(ta-dev-kit-dir$(sm))/lib/libutee.a
82ifeq ($(CFG_TA_MBEDTLS),y)
83libnames += mbedtls
84libdeps += $(ta-dev-kit-dir$(sm))/lib/libmbedtls.a
85endif
86libnames += dl
87libdeps += $(ta-dev-kit-dir$(sm))/lib/libdl.a
88
89# libutils provides __getauxval symbol which is needed by libgcc 10.x. We can't
90# link libutils after libgcc, because libgcc will replace some symbols provided
91# by libutils, which will cause further linking issues.
92#
93# But if we place libutils before libgcc, linker will not be able to resolve
94# __getauxval. So we need to link with libutils twice: before and after libgcc.
95# Hence it included both in $(libnames) and in $(libnames-after-libgcc)
96libnames-after-libgcc += utils
97libdeps-after-libgcc += $(ta-dev-kit-dir$(sm))/lib/libutils.a
98
99# Pass config variable (CFG_) from conf.mk on the command line
100cppflags$(sm) += $(strip \
101	$(foreach var, $(filter CFG_%,$(.VARIABLES)), \
102		$(if $(filter y,$($(var))), \
103			-D$(var)=1, \
104			$(if $(filter xn x,x$($(var))),,-D$(var)='$($(var))'))))
105
106include $(ta-dev-kit-dir$(sm))/mk/cleandirs.mk
107
108.PHONY: clean
109clean:
110	@$(cmd-echo-silent) '  CLEAN   $(out-dir)'
111	${q}rm -f $(cleanfiles)
112	${q}dirs="$(call cleandirs-for-rmdir)"; if [ "$$dirs" ]; then $(RMDIR) $$dirs; fi
113	@$(cmd-echo-silent) '  CLEAN   $(O)'
114	${q}if [ -d "$(O)" ]; then $(RMDIR) $(O); fi
115
116include  $(ta-dev-kit-dir$(sm))/mk/$(COMPILER_$(sm)).mk
117include  $(ta-dev-kit-dir$(sm))/mk/cc-option.mk
118
119subdirs = .
120include  $(ta-dev-kit-dir$(sm))/mk/subdir.mk
121
122ifneq ($(user-ta-uuid),)
123# Build target is TA
124vpath %.c $(ta-dev-kit-dir$(sm))/src
125srcs += user_ta_header.c
126ifeq ($(sm),ta_arm32)
127vpath %.S $(ta-dev-kit-dir$(sm))/src
128srcs += ta_entry_a32.S
129endif
130endif
131
132SCRIPTS_DIR := $(ta-dev-kit-dir)/scripts
133include  $(ta-dev-kit-dir$(sm))/mk/compile.mk
134
135ifneq ($(user-ta-uuid),)
136include  $(ta-dev-kit-dir$(sm))/mk/link.mk
137endif
138
139ifneq ($(libname),)
140# Build target is static library
141all: $(libname).a
142cleanfiles += $(libname).a
143
144$(libname).a: $(objs)
145	@echo '  AR      $@'
146	$(q)rm -f $@ && $(AR$(sm)) rcs $@ $^
147endif
148
149ifneq (,$(shlibname))
150include $(ta-dev-kit-dir$(sm))/mk/link_shlib.mk
151endif
152