1link-out-dir = $(out-dir)/core 2 3link-script-dummy = core/arch/arm/kernel/link_dummy.ld 4link-script = $(platform-dir)/kern.ld.S 5link-script-pp = $(link-out-dir)/kern.ld 6link-script-dep = $(link-out-dir)/.kern.ld.d 7 8AWK = awk 9 10 11link-ldflags = $(LDFLAGS) 12link-ldflags += -T $(link-script-pp) -Map=$(link-out-dir)/tee.map 13link-ldflags += --sort-section=alignment 14link-ldflags += --fatal-warnings 15link-ldflags += --gc-sections 16 17link-ldadd = $(LDADD) 18link-ldadd += $(addprefix -L,$(libdirs)) 19link-ldadd += $(addprefix -l,$(libnames)) 20ldargs-tee.elf := $(link-ldflags) $(objs) $(link-out-dir)/version.o \ 21 $(link-ldadd) $(libgcccore) 22 23link-script-cppflags := -DASM=1 \ 24 $(filter-out $(CPPFLAGS_REMOVE) $(cppflags-remove), \ 25 $(nostdinccore) $(CPPFLAGS) \ 26 $(addprefix -I,$(incdirscore) $(link-out-dir)) \ 27 $(cppflagscore)) 28 29ldargs-all_objs := -T $(link-script-dummy) --no-check-sections \ 30 $(objs) $(link-ldadd) $(libgcccore) 31cleanfiles += $(link-out-dir)/all_objs.o 32$(link-out-dir)/all_objs.o: $(objs) $(libdeps) $(MAKEFILE_LIST) 33 @$(cmd-echo-silent) ' LD $@' 34 $(q)$(LDcore) $(ldargs-all_objs) -o $@ 35 36cleanfiles += $(link-out-dir)/unpaged_entries.txt 37$(link-out-dir)/unpaged_entries.txt: $(link-out-dir)/all_objs.o 38 @$(cmd-echo-silent) ' GEN $@' 39 $(q)$(NMcore) $< | \ 40 $(AWK) '/ ____keep_pager/ { printf "-u%s ", $$3 }' > $@ 41 42funcs-unpaged-rem += .text.tee_entry_std .text.tee_svc_handler 43objs-unpaged-rem += core/arch/arm/tee/entry_std.o 44objs-unpaged-rem += core/arch/arm/tee/arch_svc.o 45objs-unpaged := \ 46 $(filter-out $(addprefix $(out-dir)/, $(objs-unpaged-rem)), $(objs)) 47ldargs-unpaged = -T $(link-script-dummy) --no-check-sections --gc-sections 48ldargs-unpaged-objs := $(objs-unpaged) $(link-ldadd) $(libgcccore) 49cleanfiles += $(link-out-dir)/unpaged.o 50$(link-out-dir)/unpaged.o: $(link-out-dir)/unpaged_entries.txt 51 @$(cmd-echo-silent) ' LD $@' 52 $(q)$(LDcore) $(ldargs-unpaged) \ 53 `cat $(link-out-dir)/unpaged_entries.txt` \ 54 $(ldargs-unpaged-objs) -o $@ 55 56cleanfiles += $(link-out-dir)/text_unpaged.ld.S 57$(link-out-dir)/text_unpaged.ld.S: $(link-out-dir)/unpaged.o 58 @$(cmd-echo-silent) ' GEN $@' 59 $(q)$(READELFcore) -S -W $< | \ 60 ./scripts/gen_ld_sects.py .text. $(funcs-unpaged-rem) > $@ 61 62cleanfiles += $(link-out-dir)/rodata_unpaged.ld.S 63$(link-out-dir)/rodata_unpaged.ld.S: $(link-out-dir)/unpaged.o 64 @$(cmd-echo-silent) ' GEN $@' 65 $(q)$(READELFcore) -S -W $< | \ 66 ./scripts/gen_ld_sects.py .rodata. > $@ 67 68 69cleanfiles += $(link-out-dir)/init_entries.txt 70$(link-out-dir)/init_entries.txt: $(link-out-dir)/all_objs.o 71 @$(cmd-echo-silent) ' GEN $@' 72 $(q)$(NMcore) $< | \ 73 $(AWK) '/ ____keep_init/ { printf "-u%s", $$3 }' > $@ 74 75funcs-init-rem = $(funcs-unpaged-rem) 76funcs-init-rem += .text.init_teecore 77objs-init-rem = $(objs-unpaged-rem) 78objs-init-rem += core/arch/arm/tee/init.o 79objs-init := \ 80 $(filter-out $(addprefix $(out-dir)/, $(objs-init-rem)), $(objs) \ 81 $(link-out-dir)/version.o) 82ldargs-init := -T $(link-script-dummy) --no-check-sections --gc-sections 83 84ldargs-init-objs := $(objs-init) $(link-ldadd) $(libgcccore) 85cleanfiles += $(link-out-dir)/init.o 86$(link-out-dir)/init.o: $(link-out-dir)/init_entries.txt 87 $(call gen-version-o) 88 @$(cmd-echo-silent) ' LD $@' 89 $(q)$(LDcore) $(ldargs-init) \ 90 `cat $(link-out-dir)/init_entries.txt` \ 91 $(ldargs-init-objs) -o $@ 92 93cleanfiles += $(link-out-dir)/text_init.ld.S 94$(link-out-dir)/text_init.ld.S: $(link-out-dir)/init.o 95 @$(cmd-echo-silent) ' GEN $@' 96 $(q)$(READELFcore) -S -W $< | \ 97 ./scripts/gen_ld_sects.py .text. $(funcs-init-rem) > $@ 98 99cleanfiles += $(link-out-dir)/rodata_init.ld.S 100$(link-out-dir)/rodata_init.ld.S: $(link-out-dir)/init.o 101 @$(cmd-echo-silent) ' GEN $@' 102 $(q)$(READELFcore) -S -W $< | ./scripts/gen_ld_sects.py .rodata. > $@ 103 104-include $(link-script-dep) 105 106link-script-extra-deps += $(link-out-dir)/text_unpaged.ld.S 107link-script-extra-deps += $(link-out-dir)/rodata_unpaged.ld.S 108link-script-extra-deps += $(link-out-dir)/text_init.ld.S 109link-script-extra-deps += $(link-out-dir)/rodata_init.ld.S 110link-script-extra-deps += $(conf-file) 111cleanfiles += $(link-script-pp) $(link-script-dep) 112$(link-script-pp): $(link-script) $(link-script-extra-deps) 113 @$(cmd-echo-silent) ' CPP $@' 114 @mkdir -p $(dir $@) 115 $(q)$(CPPcore) -Wp,-P,-MT,$@,-MD,$(link-script-dep) \ 116 $(link-script-cppflags) $< > $@ 117 118define update-buildcount 119 @$(cmd-echo-silent) ' UPD $(1)' 120 $(q)if [ ! -f $(1) ]; then \ 121 mkdir -p $(dir $(1)); \ 122 echo 1 >$(1); \ 123 else \ 124 expr 0`cat $(1)` + 1 >$(1); \ 125 fi 126endef 127 128version-o-cflags = $(filter-out -g3,$(core-platform-cflags) \ 129 $(platform-cflags)) # Workaround objdump warning 130DATE_STR = `date -u` 131BUILD_COUNT_STR = `cat $(link-out-dir)/.buildcount` 132define gen-version-o 133 $(call update-buildcount,$(link-out-dir)/.buildcount) 134 @$(cmd-echo-silent) ' GEN $(link-out-dir)/version.o' 135 $(q)echo -e "const char core_v_str[] =" \ 136 "\"$(TEE_IMPL_VERSION) \"" \ 137 "\"#$(BUILD_COUNT_STR) \"" \ 138 "\"$(DATE_STR) \"" \ 139 "\"$(CFG_KERN_LINKER_ARCH)\";\n" \ 140 | $(CCcore) $(version-o-cflags) \ 141 -xc - -c -o $(link-out-dir)/version.o 142endef 143$(link-out-dir)/version.o: 144 $(call gen-version-o) 145 146all: $(link-out-dir)/tee.elf 147cleanfiles += $(link-out-dir)/tee.elf $(link-out-dir)/tee.map 148cleanfiles += $(link-out-dir)/version.o 149cleanfiles += $(link-out-dir)/.buildcount 150$(link-out-dir)/tee.elf: $(objs) $(libdeps) $(link-script-pp) 151 @$(cmd-echo-silent) ' LD $@' 152 $(q)$(LDcore) $(ldargs-tee.elf) -o $@ 153 154all: $(link-out-dir)/tee.dmp 155cleanfiles += $(link-out-dir)/tee.dmp 156$(link-out-dir)/tee.dmp: $(link-out-dir)/tee.elf 157 @$(cmd-echo-silent) ' OBJDUMP $@' 158 $(q)$(OBJDUMPcore) -l -x -d $< > $@ 159 160pageable_sections := .*_pageable 161init_sections := .*_init 162cleanfiles += $(link-out-dir)/tee-pager.bin 163$(link-out-dir)/tee-pager.bin: $(link-out-dir)/tee.elf \ 164 $(link-out-dir)/tee-data_end.txt 165 @$(cmd-echo-silent) ' OBJCOPY $@' 166 $(q)$(OBJCOPYcore) -O binary \ 167 --remove-section="$(pageable_sections)" \ 168 --remove-section="$(init_sections)" \ 169 --pad-to `cat $(link-out-dir)/tee-data_end.txt` \ 170 $< $@ 171 172cleanfiles += $(link-out-dir)/tee-pageable.bin 173$(link-out-dir)/tee-pageable.bin: $(link-out-dir)/tee.elf 174 @$(cmd-echo-silent) ' OBJCOPY $@' 175 $(q)$(OBJCOPYcore) -O binary \ 176 --only-section="$(init_sections)" \ 177 --only-section="$(pageable_sections)" \ 178 $< $@ 179 180cleanfiles += $(link-out-dir)/tee-data_end.txt 181$(link-out-dir)/tee-data_end.txt: $(link-out-dir)/tee.elf 182 @$(cmd-echo-silent) ' GEN $@' 183 @echo -n 0x > $@ 184 $(q)$(NMcore) $< | grep __data_end | sed 's/ .*$$//' >> $@ 185 186cleanfiles += $(link-out-dir)/tee-init_size.txt 187$(link-out-dir)/tee-init_size.txt: $(link-out-dir)/tee.elf 188 @$(cmd-echo-silent) ' GEN $@' 189 @echo -n 0x > $@ 190 $(q)$(NMcore) $< | grep __init_size | sed 's/ .*$$//' >> $@ 191 192cleanfiles += $(link-out-dir)/tee-init_load_addr.txt 193$(link-out-dir)/tee-init_load_addr.txt: $(link-out-dir)/tee.elf 194 @$(cmd-echo-silent) ' GEN $@' 195 @echo -n 0x > $@ 196 $(q)$(NMcore) $< | grep ' _start' | sed 's/ .*$$//' >> $@ 197 198cleanfiles += $(link-out-dir)/tee-init_mem_usage.txt 199$(link-out-dir)/tee-init_mem_usage.txt: $(link-out-dir)/tee.elf 200 @$(cmd-echo-silent) ' GEN $@' 201 @echo -n 0x > $@ 202 $(q)$(NMcore) $< | grep ' __init_mem_usage' | sed 's/ .*$$//' >> $@ 203 204all: $(link-out-dir)/tee.bin 205cleanfiles += $(link-out-dir)/tee.bin 206$(link-out-dir)/tee.bin: $(link-out-dir)/tee-pager.bin \ 207 $(link-out-dir)/tee-pageable.bin \ 208 $(link-out-dir)/tee-init_size.txt \ 209 $(link-out-dir)/tee-init_load_addr.txt \ 210 $(link-out-dir)/tee-init_mem_usage.txt \ 211 ./scripts/gen_hashed_bin.py 212 @$(cmd-echo-silent) ' GEN $@' 213 $(q)load_addr=`cat $(link-out-dir)/tee-init_load_addr.txt` && \ 214 ./scripts/gen_hashed_bin.py \ 215 --arch $(if $(filter y,$(CFG_ARM64_core)),arm64,arm32) \ 216 --init_size `cat $(link-out-dir)/tee-init_size.txt` \ 217 --init_load_addr_hi $$(($$load_addr >> 32 & 0xffffffff)) \ 218 --init_load_addr_lo $$(($$load_addr & 0xffffffff)) \ 219 --init_mem_usage `cat $(link-out-dir)/tee-init_mem_usage.txt` \ 220 --tee_pager_bin $(link-out-dir)/tee-pager.bin \ 221 --tee_pageable_bin $(link-out-dir)/tee-pageable.bin \ 222 --out $@ 223 224 225all: $(link-out-dir)/tee.symb_sizes 226cleanfiles += $(link-out-dir)/tee.symb_sizes 227$(link-out-dir)/tee.symb_sizes: $(link-out-dir)/tee.elf 228 @$(cmd-echo-silent) ' GEN $@' 229 $(q)$(NMcore) --print-size --reverse-sort --size-sort $< > $@ 230 231cleanfiles += $(link-out-dir)/tee.mem_usage 232ifneq ($(filter mem_usage,$(MAKECMDGOALS)),) 233mem_usage: $(link-out-dir)/tee.mem_usage 234 235$(link-out-dir)/tee.mem_usage: $(link-out-dir)/tee.elf 236 @$(cmd-echo-silent) ' GEN $@' 237 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/mem_usage.awk > $@ 238endif 239