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 += --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 34 35ldargs-all_objs := -i $(objs) $(link-ldadd) $(libgcccore) 36cleanfiles += $(link-out-dir)/all_objs.o 37$(link-out-dir)/all_objs.o: $(objs) $(libdeps) $(MAKEFILE_LIST) 38 @$(cmd-echo-silent) ' LD $@' 39 $(q)$(LDcore) $(ldargs-all_objs) -o $@ 40 41cleanfiles += $(link-out-dir)/unpaged_entries.txt 42$(link-out-dir)/unpaged_entries.txt: $(link-out-dir)/all_objs.o 43 @$(cmd-echo-silent) ' GEN $@' 44 $(q)$(NMcore) $< | \ 45 $(AWK) '/ ____keep_pager/ { printf "-u%s ", $$3 }' > $@ 46 47objs-unpaged-rem += core/arch/arm/tee/entry_std.o 48objs-unpaged-rem += core/arch/arm/tee/arch_svc.o 49objs-unpaged := \ 50 $(filter-out $(addprefix $(out-dir)/, $(objs-unpaged-rem)), $(objs)) 51ldargs-unpaged = -i --gc-sections $(addprefix -u, $(entries-unpaged)) 52ldargs-unpaged-objs := $(objs-unpaged) $(link-ldadd) $(libgcccore) 53cleanfiles += $(link-out-dir)/unpaged.o 54$(link-out-dir)/unpaged.o: $(link-out-dir)/unpaged_entries.txt 55 @$(cmd-echo-silent) ' LD $@' 56 $(q)$(LDcore) $(ldargs-unpaged) \ 57 `cat $(link-out-dir)/unpaged_entries.txt` \ 58 $(ldargs-unpaged-objs) -o $@ 59 60cleanfiles += $(link-out-dir)/text_unpaged.ld.S: 61$(link-out-dir)/text_unpaged.ld.S: $(link-out-dir)/unpaged.o 62 @$(cmd-echo-silent) ' GEN $@' 63 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/gen_ld_text_sects.awk > $@ 64 65cleanfiles += $(link-out-dir)/rodata_unpaged.ld.S: 66$(link-out-dir)/rodata_unpaged.ld.S: $(link-out-dir)/unpaged.o 67 @$(cmd-echo-silent) ' GEN $@' 68 $(q)$(READELFcore) -a -W $< | \ 69 ${AWK} -f ./scripts/gen_ld_rodata_sects.awk > $@ 70 71 72cleanfiles += $(link-out-dir)/init_entries.txt 73$(link-out-dir)/init_entries.txt: $(link-out-dir)/all_objs.o 74 @$(cmd-echo-silent) ' GEN $@' 75 $(q)$(NMcore) $< | \ 76 $(AWK) '/ ____keep_init/ { printf "-u%s", $$3 }' > $@ 77 78objs-init-rem += core/arch/arm/tee/arch_svc.o 79objs-init-rem += core/arch/arm/tee/arch_svc_asm.o 80objs-init-rem += core/arch/arm/tee/init.o 81objs-init-rem += core/arch/arm/tee/entry_std.o 82entries-init += _start 83objs-init := \ 84 $(filter-out $(addprefix $(out-dir)/, $(objs-init-rem)), $(objs) \ 85 $(link-out-dir)/version.o) 86ldargs-init := -i --gc-sections $(addprefix -u, $(entries-init)) 87 88ldargs-init-objs := $(objs-init) $(link-ldadd) $(libgcccore) 89cleanfiles += $(link-out-dir)/init.o 90$(link-out-dir)/init.o: $(link-out-dir)/init_entries.txt 91 $(call gen-version-o) 92 @$(cmd-echo-silent) ' LD $@' 93 $(q)$(LDcore) $(ldargs-init) \ 94 `cat $(link-out-dir)/init_entries.txt` \ 95 $(ldargs-init-objs) -o $@ 96 97cleanfiles += $(link-out-dir)/text_init.ld.S: 98$(link-out-dir)/text_init.ld.S: $(link-out-dir)/init.o 99 @$(cmd-echo-silent) ' GEN $@' 100 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/gen_ld_text_sects.awk > $@ 101 102cleanfiles += $(link-out-dir)/rodata_init.ld.S: 103$(link-out-dir)/rodata_init.ld.S: $(link-out-dir)/init.o 104 @$(cmd-echo-silent) ' GEN $@' 105 $(q)$(READELFcore) -a -W $< | \ 106 ${AWK} -f ./scripts/gen_ld_rodata_sects.awk > $@ 107 108-include $(link-script-dep) 109 110link-script-extra-deps += $(link-out-dir)/text_unpaged.ld.S 111link-script-extra-deps += $(link-out-dir)/rodata_unpaged.ld.S 112link-script-extra-deps += $(link-out-dir)/text_init.ld.S 113link-script-extra-deps += $(link-out-dir)/rodata_init.ld.S 114link-script-extra-deps += $(conf-file) 115cleanfiles += $(link-script-pp) $(link-script-dep) 116$(link-script-pp): $(link-script) $(link-script-extra-deps) 117 @$(cmd-echo-silent) ' CPP $@' 118 @mkdir -p $(dir $@) 119 $(q)$(CPPcore) -Wp,-P,-MT,$@,-MD,$(link-script-dep) \ 120 $(link-script-cppflags) $< > $@ 121 122define update-buildcount 123 @$(cmd-echo-silent) ' UPD $(1)' 124 $(q)if [ ! -f $(1) ]; then \ 125 mkdir -p $(dir $(1)); \ 126 echo 1 >$(1); \ 127 else \ 128 expr 0`cat $(1)` + 1 >$(1); \ 129 fi 130endef 131 132version-o-cflags = $(filter-out -g3,$(core-platform-cflags) \ 133 $(platform-cflags)) # Workaround objdump warning 134DATE_STR = `date -u` 135BUILD_COUNT_STR = `cat $(link-out-dir)/.buildcount` 136define gen-version-o 137 $(call update-buildcount,$(link-out-dir)/.buildcount) 138 @$(cmd-echo-silent) ' GEN $(link-out-dir)/version.o' 139 $(q)echo -e "const char core_v_str[] =" \ 140 "\"$(TEE_IMPL_VERSION) \"" \ 141 "\"#$(BUILD_COUNT_STR) \"" \ 142 "\"$(DATE_STR) \"" \ 143 "\"$(CFG_KERN_LINKER_ARCH)\";\n" \ 144 | $(CCcore) $(version-o-cflags) \ 145 -xc - -c -o $(link-out-dir)/version.o 146endef 147$(link-out-dir)/version.o: 148 $(call gen-version-o) 149 150all: $(link-out-dir)/tee.elf 151cleanfiles += $(link-out-dir)/tee.elf $(link-out-dir)/tee.map 152cleanfiles += $(link-out-dir)/version.o 153cleanfiles += $(link-out-dir)/.buildcount 154$(link-out-dir)/tee.elf: $(objs) $(libdeps) $(link-script-pp) 155 @$(cmd-echo-silent) ' LD $@' 156 $(q)$(LDcore) $(ldargs-tee.elf) -o $@ 157 158all: $(link-out-dir)/tee.dmp 159cleanfiles += $(link-out-dir)/tee.dmp 160$(link-out-dir)/tee.dmp: $(link-out-dir)/tee.elf 161 @$(cmd-echo-silent) ' OBJDUMP $@' 162 $(q)$(OBJDUMPcore) -l -x -d $< > $@ 163 164pageable_sections := .*_pageable 165init_sections := .*_init 166cleanfiles += $(link-out-dir)/tee-pager.bin 167$(link-out-dir)/tee-pager.bin: $(link-out-dir)/tee.elf 168 @$(cmd-echo-silent) ' OBJCOPY $@' 169 $(q)$(OBJCOPYcore) -O binary \ 170 --remove-section="$(pageable_sections)" \ 171 --remove-section="$(init_sections)" \ 172 $< $@ 173 174cleanfiles += $(link-out-dir)/tee-pageable.bin 175$(link-out-dir)/tee-pageable.bin: $(link-out-dir)/tee.elf 176 @$(cmd-echo-silent) ' OBJCOPY $@' 177 $(q)$(OBJCOPYcore) -O binary \ 178 --only-section="$(init_sections)" \ 179 --only-section="$(pageable_sections)" \ 180 $< $@ 181 182cleanfiles += $(link-out-dir)/tee-init_size.txt 183$(link-out-dir)/tee-init_size.txt: $(link-out-dir)/tee.elf 184 @$(cmd-echo-silent) ' GEN $@' 185 @echo -n 0x > $@ 186 $(q)$(NMcore) $< | grep __init_size | sed 's/ .*$$//' >> $@ 187 188cleanfiles += $(link-out-dir)/tee-init_load_addr.txt 189$(link-out-dir)/tee-init_load_addr.txt: $(link-out-dir)/tee.elf 190 @$(cmd-echo-silent) ' GEN $@' 191 @echo -n 0x > $@ 192 $(q)$(NMcore) $< | grep ' _start' | sed 's/ .*$$//' >> $@ 193 194cleanfiles += $(link-out-dir)/tee-init_mem_usage.txt 195$(link-out-dir)/tee-init_mem_usage.txt: $(link-out-dir)/tee.elf 196 @$(cmd-echo-silent) ' GEN $@' 197 @echo -n 0x > $@ 198 $(q)$(NMcore) $< | grep ' __init_mem_usage' | sed 's/ .*$$//' >> $@ 199 200all: $(link-out-dir)/tee.bin 201cleanfiles += $(link-out-dir)/tee.bin 202$(link-out-dir)/tee.bin: $(link-out-dir)/tee-pager.bin \ 203 $(link-out-dir)/tee-pageable.bin \ 204 $(link-out-dir)/tee-init_size.txt \ 205 $(link-out-dir)/tee-init_load_addr.txt \ 206 $(link-out-dir)/tee-init_mem_usage.txt \ 207 ./scripts/gen_hashed_bin.py 208 @$(cmd-echo-silent) ' GEN $@' 209 $(q)./scripts/gen_hashed_bin.py \ 210 --arch $(if $(filter y,$(CFG_ARM64_core)),arm64,arm32) \ 211 --init_size `cat $(link-out-dir)/tee-init_size.txt` \ 212 --init_load_addr_lo \ 213 `cat $(link-out-dir)/tee-init_load_addr.txt` \ 214 --init_mem_usage `cat $(link-out-dir)/tee-init_mem_usage.txt` \ 215 --tee_pager_bin $(link-out-dir)/tee-pager.bin \ 216 --tee_pageable_bin $(link-out-dir)/tee-pageable.bin \ 217 --out $@ 218 219 220all: $(link-out-dir)/tee.symb_sizes 221cleanfiles += $(link-out-dir)/tee.symb_sizes 222$(link-out-dir)/tee.symb_sizes: $(link-out-dir)/tee.elf 223 @$(cmd-echo-silent) ' GEN $@' 224 $(q)$(NMcore) --print-size --reverse-sort --size-sort $< > $@ 225 226cleanfiles += $(link-out-dir)/tee.mem_usage 227ifneq ($(filter mem_usage,$(MAKECMDGOALS)),) 228mem_usage: $(link-out-dir)/tee.mem_usage 229 230$(link-out-dir)/tee.mem_usage: $(link-out-dir)/tee.elf 231 @$(cmd-echo-silent) ' GEN $@' 232 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/mem_usage.awk > $@ 233endif 234