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 34objs-unpaged-rem += core/arch/arm/tee/entry.o 35objs-unpaged-rem += core/arch/arm/tee/arch_svc.o 36objs-unpaged := \ 37 $(filter-out $(addprefix $(out-dir)/, $(objs-unpaged-rem)), $(objs)) 38ldargs-unpaged := -i --gc-sections \ 39 $(addprefix -u, $(entries-unpaged)) \ 40 $(objs-unpaged) $(link-ldadd) $(libgcccore) 41cleanfiles += $(link-out-dir)/unpaged.o 42$(link-out-dir)/unpaged.o: $(objs-unpaged) $(libdeps) $(MAKEFILE_LIST) 43 @$(cmd-echo-silent) ' LD $@' 44 $(q)$(LDcore) $(ldargs-unpaged) -o $@ 45 46cleanfiles += $(link-out-dir)/text_unpaged.ld.S: 47$(link-out-dir)/text_unpaged.ld.S: $(link-out-dir)/unpaged.o 48 @$(cmd-echo-silent) ' GEN $@' 49 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/gen_ld_text_sects.awk > $@ 50 51cleanfiles += $(link-out-dir)/rodata_unpaged.ld.S: 52$(link-out-dir)/rodata_unpaged.ld.S: $(link-out-dir)/unpaged.o 53 @$(cmd-echo-silent) ' GEN $@' 54 $(q)$(READELFcore) -a -W $< | \ 55 ${AWK} -f ./scripts/gen_ld_rodata_sects.awk > $@ 56 57objs-init-rem += core/arch/arm/tee/arch_svc.o 58objs-init-rem += core/arch/arm/tee/arch_svc_asm.o 59objs-init-rem += core/arch/arm/tee/init.o 60objs-init-rem += core/arch/arm/tee/entry.o 61entries-init += _start 62objs-init := \ 63 $(filter-out $(addprefix $(out-dir)/, $(objs-init-rem)), $(objs) \ 64 $(link-out-dir)/version.o) 65ldargs-init := -i --gc-sections \ 66 $(addprefix -u, $(entries-init)) \ 67 $(objs-init) $(link-ldadd) $(libgcccore) 68cleanfiles += $(link-out-dir)/init.o 69$(link-out-dir)/init.o: $(objs-init) $(libdeps) $(MAKEFILE_LIST) 70 $(call gen-version-o) 71 @$(cmd-echo-silent) ' LD $@' 72 $(q)$(LDcore) $(ldargs-init) -o $@ 73 74cleanfiles += $(link-out-dir)/text_init.ld.S: 75$(link-out-dir)/text_init.ld.S: $(link-out-dir)/init.o 76 @$(cmd-echo-silent) ' GEN $@' 77 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/gen_ld_text_sects.awk > $@ 78 79cleanfiles += $(link-out-dir)/rodata_init.ld.S: 80$(link-out-dir)/rodata_init.ld.S: $(link-out-dir)/init.o 81 @$(cmd-echo-silent) ' GEN $@' 82 $(q)$(READELFcore) -a -W $< | \ 83 ${AWK} -f ./scripts/gen_ld_rodata_sects.awk > $@ 84 85-include $(link-script-dep) 86 87link-script-extra-deps += $(link-out-dir)/text_unpaged.ld.S 88link-script-extra-deps += $(link-out-dir)/rodata_unpaged.ld.S 89link-script-extra-deps += $(link-out-dir)/text_init.ld.S 90link-script-extra-deps += $(link-out-dir)/rodata_init.ld.S 91link-script-extra-deps += $(conf-file) 92cleanfiles += $(link-script-pp) $(link-script-dep) 93$(link-script-pp): $(link-script) $(link-script-extra-deps) 94 @$(cmd-echo-silent) ' CPP $@' 95 @mkdir -p $(dir $@) 96 $(q)$(CPPcore) -Wp,-P,-MT,$@,-MD,$(link-script-dep) \ 97 $(link-script-cppflags) $< > $@ 98 99define update-buildcount 100 @$(cmd-echo-silent) ' UPD $(1)' 101 $(q)if [ ! -f $(1) ]; then \ 102 mkdir -p $(dir $(1)); \ 103 echo 1 >$(1); \ 104 else \ 105 expr 0`cat $(1)` + 1 >$(1); \ 106 fi 107endef 108 109version-o-cflags = $(filter-out -g3,$(core-platform-cflags) \ 110 $(platform-cflags)) # Workaround objdump warning 111DATE_STR = `date -u` 112BUILD_COUNT_STR = `cat $(link-out-dir)/.buildcount` 113define gen-version-o 114 $(call update-buildcount,$(link-out-dir)/.buildcount) 115 @$(cmd-echo-silent) ' GEN $(link-out-dir)/version.o' 116 $(q)echo -e "const char core_v_str[] =" \ 117 "\"$(CFG_TEE_IMPL_VERSION) \"" \ 118 "\"#$(BUILD_COUNT_STR) \"" \ 119 "\"$(DATE_STR) \"" \ 120 "\"$(CFG_KERN_LINKER_ARCH)\";\n" \ 121 | $(CCcore) $(version-o-cflags) \ 122 -xc - -c -o $(link-out-dir)/version.o 123endef 124$(link-out-dir)/version.o: 125 $(call gen-version-o) 126 127all: $(link-out-dir)/tee.elf 128cleanfiles += $(link-out-dir)/tee.elf $(link-out-dir)/tee.map 129cleanfiles += $(link-out-dir)/version.o 130cleanfiles += $(link-out-dir)/.buildcount 131$(link-out-dir)/tee.elf: $(objs) $(libdeps) $(link-script-pp) 132 @$(cmd-echo-silent) ' LD $@' 133 $(q)$(LDcore) $(ldargs-tee.elf) -o $@ 134 135all: $(link-out-dir)/tee.dmp 136cleanfiles += $(link-out-dir)/tee.dmp 137$(link-out-dir)/tee.dmp: $(link-out-dir)/tee.elf 138 @$(cmd-echo-silent) ' OBJDUMP $@' 139 $(q)$(OBJDUMPcore) -l -x -d $< > $@ 140 141pageable_sections := .*_pageable 142init_sections := .*_init 143cleanfiles += $(link-out-dir)/tee-pager.bin 144$(link-out-dir)/tee-pager.bin: $(link-out-dir)/tee.elf 145 @$(cmd-echo-silent) ' OBJCOPY $@' 146 $(q)$(OBJCOPYcore) -O binary \ 147 --remove-section="$(pageable_sections)" \ 148 --remove-section="$(init_sections)" \ 149 $< $@ 150 151cleanfiles += $(link-out-dir)/tee-pageable.bin 152$(link-out-dir)/tee-pageable.bin: $(link-out-dir)/tee.elf 153 @$(cmd-echo-silent) ' OBJCOPY $@' 154 $(q)$(OBJCOPYcore) -O binary \ 155 --only-section="$(init_sections)" \ 156 --only-section="$(pageable_sections)" \ 157 $< $@ 158 159cleanfiles += $(link-out-dir)/tee-init_size.txt 160$(link-out-dir)/tee-init_size.txt: $(link-out-dir)/tee.elf 161 @$(cmd-echo-silent) ' GEN $@' 162 @echo -n 0x > $@ 163 $(q)$(NMcore) $< | grep __init_size | sed 's/ .*$$//' >> $@ 164 165cleanfiles += $(link-out-dir)/tee-init_load_addr.txt 166$(link-out-dir)/tee-init_load_addr.txt: $(link-out-dir)/tee.elf 167 @$(cmd-echo-silent) ' GEN $@' 168 @echo -n 0x > $@ 169 $(q)$(NMcore) $< | grep ' _start' | sed 's/ .*$$//' >> $@ 170 171cleanfiles += $(link-out-dir)/tee-init_mem_usage.txt 172$(link-out-dir)/tee-init_mem_usage.txt: $(link-out-dir)/tee.elf 173 @$(cmd-echo-silent) ' GEN $@' 174 @echo -n 0x > $@ 175 $(q)$(NMcore) $< | grep ' __init_mem_usage' | sed 's/ .*$$//' >> $@ 176 177all: $(link-out-dir)/tee.bin 178cleanfiles += $(link-out-dir)/tee.bin 179$(link-out-dir)/tee.bin: $(link-out-dir)/tee-pager.bin \ 180 $(link-out-dir)/tee-pageable.bin \ 181 $(link-out-dir)/tee-init_size.txt \ 182 $(link-out-dir)/tee-init_load_addr.txt \ 183 $(link-out-dir)/tee-init_mem_usage.txt \ 184 ./scripts/gen_hashed_bin.py 185 @$(cmd-echo-silent) ' GEN $@' 186 $(q)./scripts/gen_hashed_bin.py \ 187 --arch $(if $(filter y,$(CFG_ARM64_core)),arm64,arm32) \ 188 --init_size `cat $(link-out-dir)/tee-init_size.txt` \ 189 --init_load_addr_lo \ 190 `cat $(link-out-dir)/tee-init_load_addr.txt` \ 191 --init_mem_usage `cat $(link-out-dir)/tee-init_mem_usage.txt` \ 192 --tee_pager_bin $(link-out-dir)/tee-pager.bin \ 193 --tee_pageable_bin $(link-out-dir)/tee-pageable.bin \ 194 --out $@ 195 196 197all: $(link-out-dir)/tee.symb_sizes 198cleanfiles += $(link-out-dir)/tee.symb_sizes 199$(link-out-dir)/tee.symb_sizes: $(link-out-dir)/tee.elf 200 @$(cmd-echo-silent) ' GEN $@' 201 $(q)$(NMcore) --print-size --reverse-sort --size-sort $< > $@ 202 203cleanfiles += $(link-out-dir)/tee.mem_usage 204ifneq ($(filter mem_usage,$(MAKECMDGOALS)),) 205mem_usage: $(link-out-dir)/tee.mem_usage 206 207$(link-out-dir)/tee.mem_usage: $(link-out-dir)/tee.elf 208 @$(cmd-echo-silent) ' GEN $@' 209 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/mem_usage.awk > $@ 210endif 211