1link-out-dir = $(out-dir)/core 2 3link-script = $(platform-dir)/kern.ld.S 4link-script-pp = $(link-out-dir)/kern.ld 5link-script-dep = $(link-out-dir)/.kern.ld.d 6 7AWK = awk 8 9 10link-ldflags = $(LDFLAGS) 11link-ldflags += -T $(link-script-pp) -Map=$(link-out-dir)/tee.map 12link-ldflags += --sort-section=alignment 13link-ldflags += --fatal-warnings 14link-ldflags += --print-gc-sections 15 16link-ldadd = $(LDADD) 17link-ldadd += $(addprefix -L,$(libdirs)) 18link-ldadd += $(addprefix -l,$(libnames)) 19ldargs-tee.elf := $(link-ldflags) $(objs) $(link-out-dir)/version.o \ 20 $(link-ldadd) $(libgcccore) 21 22link-script-cppflags := -DASM=1 \ 23 $(filter-out $(CPPFLAGS_REMOVE) $(cppflags-remove), \ 24 $(nostdinccore) $(CPPFLAGS) \ 25 $(addprefix -I,$(incdirscore) $(link-out-dir)) \ 26 $(cppflagscore)) 27 28entries-unpaged += thread_init_vbar 29entries-unpaged += sm_init 30entries-unpaged += core_init_mmu_regs 31entries-unpaged += stack_tmp_top 32entries-unpaged += sem_cpu_sync 33entries-unpaged += generic_boot_get_handlers 34entries-unpaged += tee_pager_release_zi 35entries-unpaged += tee_pager_request_zi 36 37objs-unpaged-rem += core/arch/arm/tee/entry_std.o 38objs-unpaged-rem += core/arch/arm/tee/arch_svc.o 39objs-unpaged := \ 40 $(filter-out $(addprefix $(out-dir)/, $(objs-unpaged-rem)), $(objs)) 41ldargs-unpaged := -i --gc-sections \ 42 $(addprefix -u, $(entries-unpaged)) \ 43 $(objs-unpaged) $(link-ldadd) $(libgcccore) 44cleanfiles += $(link-out-dir)/unpaged.o 45$(link-out-dir)/unpaged.o: $(objs-unpaged) $(libdeps) $(MAKEFILE_LIST) 46 @$(cmd-echo-silent) ' LD $@' 47 $(q)$(LDcore) $(ldargs-unpaged) -o $@ 48 49cleanfiles += $(link-out-dir)/text_unpaged.ld.S: 50$(link-out-dir)/text_unpaged.ld.S: $(link-out-dir)/unpaged.o 51 @$(cmd-echo-silent) ' GEN $@' 52 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/gen_ld_text_sects.awk > $@ 53 54cleanfiles += $(link-out-dir)/rodata_unpaged.ld.S: 55$(link-out-dir)/rodata_unpaged.ld.S: $(link-out-dir)/unpaged.o 56 @$(cmd-echo-silent) ' GEN $@' 57 $(q)$(READELFcore) -a -W $< | \ 58 ${AWK} -f ./scripts/gen_ld_rodata_sects.awk > $@ 59 60objs-init-rem += core/arch/arm/tee/arch_svc.o 61objs-init-rem += core/arch/arm/tee/arch_svc_asm.o 62objs-init-rem += core/arch/arm/tee/init.o 63objs-init-rem += core/arch/arm/tee/entry_std.o 64entries-init += _start 65objs-init := \ 66 $(filter-out $(addprefix $(out-dir)/, $(objs-init-rem)), $(objs) \ 67 $(link-out-dir)/version.o) 68ldargs-init := -i --gc-sections \ 69 $(addprefix -u, $(entries-init)) \ 70 $(objs-init) $(link-ldadd) $(libgcccore) 71cleanfiles += $(link-out-dir)/init.o 72$(link-out-dir)/init.o: $(objs-init) $(libdeps) $(MAKEFILE_LIST) 73 $(call gen-version-o) 74 @$(cmd-echo-silent) ' LD $@' 75 $(q)$(LDcore) $(ldargs-init) -o $@ 76 77cleanfiles += $(link-out-dir)/text_init.ld.S: 78$(link-out-dir)/text_init.ld.S: $(link-out-dir)/init.o 79 @$(cmd-echo-silent) ' GEN $@' 80 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/gen_ld_text_sects.awk > $@ 81 82cleanfiles += $(link-out-dir)/rodata_init.ld.S: 83$(link-out-dir)/rodata_init.ld.S: $(link-out-dir)/init.o 84 @$(cmd-echo-silent) ' GEN $@' 85 $(q)$(READELFcore) -a -W $< | \ 86 ${AWK} -f ./scripts/gen_ld_rodata_sects.awk > $@ 87 88-include $(link-script-dep) 89 90link-script-extra-deps += $(link-out-dir)/text_unpaged.ld.S 91link-script-extra-deps += $(link-out-dir)/rodata_unpaged.ld.S 92link-script-extra-deps += $(link-out-dir)/text_init.ld.S 93link-script-extra-deps += $(link-out-dir)/rodata_init.ld.S 94link-script-extra-deps += $(conf-file) 95cleanfiles += $(link-script-pp) $(link-script-dep) 96$(link-script-pp): $(link-script) $(link-script-extra-deps) 97 @$(cmd-echo-silent) ' CPP $@' 98 @mkdir -p $(dir $@) 99 $(q)$(CPPcore) -Wp,-P,-MT,$@,-MD,$(link-script-dep) \ 100 $(link-script-cppflags) $< > $@ 101 102define update-buildcount 103 @$(cmd-echo-silent) ' UPD $(1)' 104 $(q)if [ ! -f $(1) ]; then \ 105 mkdir -p $(dir $(1)); \ 106 echo 1 >$(1); \ 107 else \ 108 expr 0`cat $(1)` + 1 >$(1); \ 109 fi 110endef 111 112version-o-cflags = $(filter-out -g3,$(core-platform-cflags) \ 113 $(platform-cflags)) # Workaround objdump warning 114DATE_STR = `date -u` 115BUILD_COUNT_STR = `cat $(link-out-dir)/.buildcount` 116define gen-version-o 117 $(call update-buildcount,$(link-out-dir)/.buildcount) 118 @$(cmd-echo-silent) ' GEN $(link-out-dir)/version.o' 119 $(q)echo -e "const char core_v_str[] =" \ 120 "\"$(CFG_TEE_IMPL_VERSION) \"" \ 121 "\"#$(BUILD_COUNT_STR) \"" \ 122 "\"$(DATE_STR) \"" \ 123 "\"$(CFG_KERN_LINKER_ARCH)\";\n" \ 124 | $(CCcore) $(version-o-cflags) \ 125 -xc - -c -o $(link-out-dir)/version.o 126endef 127$(link-out-dir)/version.o: 128 $(call gen-version-o) 129 130all: $(link-out-dir)/tee.elf 131cleanfiles += $(link-out-dir)/tee.elf $(link-out-dir)/tee.map 132cleanfiles += $(link-out-dir)/version.o 133cleanfiles += $(link-out-dir)/.buildcount 134$(link-out-dir)/tee.elf: $(objs) $(libdeps) $(link-script-pp) 135 @$(cmd-echo-silent) ' LD $@' 136 $(q)$(LDcore) $(ldargs-tee.elf) -o $@ 137 138all: $(link-out-dir)/tee.dmp 139cleanfiles += $(link-out-dir)/tee.dmp 140$(link-out-dir)/tee.dmp: $(link-out-dir)/tee.elf 141 @$(cmd-echo-silent) ' OBJDUMP $@' 142 $(q)$(OBJDUMPcore) -l -x -d $< > $@ 143 144pageable_sections := .*_pageable 145init_sections := .*_init 146cleanfiles += $(link-out-dir)/tee-pager.bin 147$(link-out-dir)/tee-pager.bin: $(link-out-dir)/tee.elf 148 @$(cmd-echo-silent) ' OBJCOPY $@' 149 $(q)$(OBJCOPYcore) -O binary \ 150 --remove-section="$(pageable_sections)" \ 151 --remove-section="$(init_sections)" \ 152 $< $@ 153 154cleanfiles += $(link-out-dir)/tee-pageable.bin 155$(link-out-dir)/tee-pageable.bin: $(link-out-dir)/tee.elf 156 @$(cmd-echo-silent) ' OBJCOPY $@' 157 $(q)$(OBJCOPYcore) -O binary \ 158 --only-section="$(init_sections)" \ 159 --only-section="$(pageable_sections)" \ 160 $< $@ 161 162cleanfiles += $(link-out-dir)/tee-init_size.txt 163$(link-out-dir)/tee-init_size.txt: $(link-out-dir)/tee.elf 164 @$(cmd-echo-silent) ' GEN $@' 165 @echo -n 0x > $@ 166 $(q)$(NMcore) $< | grep __init_size | sed 's/ .*$$//' >> $@ 167 168cleanfiles += $(link-out-dir)/tee-init_load_addr.txt 169$(link-out-dir)/tee-init_load_addr.txt: $(link-out-dir)/tee.elf 170 @$(cmd-echo-silent) ' GEN $@' 171 @echo -n 0x > $@ 172 $(q)$(NMcore) $< | grep ' _start' | sed 's/ .*$$//' >> $@ 173 174cleanfiles += $(link-out-dir)/tee-init_mem_usage.txt 175$(link-out-dir)/tee-init_mem_usage.txt: $(link-out-dir)/tee.elf 176 @$(cmd-echo-silent) ' GEN $@' 177 @echo -n 0x > $@ 178 $(q)$(NMcore) $< | grep ' __init_mem_usage' | sed 's/ .*$$//' >> $@ 179 180all: $(link-out-dir)/tee.bin 181cleanfiles += $(link-out-dir)/tee.bin 182$(link-out-dir)/tee.bin: $(link-out-dir)/tee-pager.bin \ 183 $(link-out-dir)/tee-pageable.bin \ 184 $(link-out-dir)/tee-init_size.txt \ 185 $(link-out-dir)/tee-init_load_addr.txt \ 186 $(link-out-dir)/tee-init_mem_usage.txt \ 187 ./scripts/gen_hashed_bin.py 188 @$(cmd-echo-silent) ' GEN $@' 189 $(q)./scripts/gen_hashed_bin.py \ 190 --arch $(if $(filter y,$(CFG_ARM64_core)),arm64,arm32) \ 191 --init_size `cat $(link-out-dir)/tee-init_size.txt` \ 192 --init_load_addr_lo \ 193 `cat $(link-out-dir)/tee-init_load_addr.txt` \ 194 --init_mem_usage `cat $(link-out-dir)/tee-init_mem_usage.txt` \ 195 --tee_pager_bin $(link-out-dir)/tee-pager.bin \ 196 --tee_pageable_bin $(link-out-dir)/tee-pageable.bin \ 197 --out $@ 198 199 200all: $(link-out-dir)/tee.symb_sizes 201cleanfiles += $(link-out-dir)/tee.symb_sizes 202$(link-out-dir)/tee.symb_sizes: $(link-out-dir)/tee.elf 203 @$(cmd-echo-silent) ' GEN $@' 204 $(q)$(NMcore) --print-size --reverse-sort --size-sort $< > $@ 205 206cleanfiles += $(link-out-dir)/tee.mem_usage 207ifneq ($(filter mem_usage,$(MAKECMDGOALS)),) 208mem_usage: $(link-out-dir)/tee.mem_usage 209 210$(link-out-dir)/tee.mem_usage: $(link-out-dir)/tee.elf 211 @$(cmd-echo-silent) ' GEN $@' 212 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/mem_usage.awk > $@ 213endif 214