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 34entries-unpaged += tee_pager_release_zi 35entries-unpaged += tee_pager_request_zi 36 37ldargs-all_objs := -i $(objs) $(link-ldadd) $(libgcccore) 38cleanfiles += $(link-out-dir)/all_objs.o 39$(link-out-dir)/all_objs.o: $(objs) $(libdeps) $(MAKEFILE_LIST) 40 @$(cmd-echo-silent) ' LD $@' 41 $(q)$(LDcore) $(ldargs-all_objs) -o $@ 42 43cleanfiles += $(link-out-dir)/unpaged_entries.txt 44$(link-out-dir)/unpaged_entries.txt: $(link-out-dir)/all_objs.o 45 @$(cmd-echo-silent) ' GEN $@' 46 $(q)$(NMcore) $< | \ 47 $(AWK) '/ ____keep_pager/ { printf "-u%s ", $$3 }' > $@ 48 49objs-unpaged-rem += core/arch/arm/tee/entry_std.o 50objs-unpaged-rem += core/arch/arm/tee/arch_svc.o 51objs-unpaged := \ 52 $(filter-out $(addprefix $(out-dir)/, $(objs-unpaged-rem)), $(objs)) 53ldargs-unpaged = -i --gc-sections $(addprefix -u, $(entries-unpaged)) 54ldargs-unpaged-objs := $(objs-unpaged) $(link-ldadd) $(libgcccore) 55cleanfiles += $(link-out-dir)/unpaged.o 56$(link-out-dir)/unpaged.o: $(link-out-dir)/unpaged_entries.txt 57 @$(cmd-echo-silent) ' LD $@' 58 $(q)$(LDcore) $(ldargs-unpaged) \ 59 `cat $(link-out-dir)/unpaged_entries.txt` \ 60 $(ldargs-unpaged-objs) -o $@ 61 62cleanfiles += $(link-out-dir)/text_unpaged.ld.S: 63$(link-out-dir)/text_unpaged.ld.S: $(link-out-dir)/unpaged.o 64 @$(cmd-echo-silent) ' GEN $@' 65 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/gen_ld_text_sects.awk > $@ 66 67cleanfiles += $(link-out-dir)/rodata_unpaged.ld.S: 68$(link-out-dir)/rodata_unpaged.ld.S: $(link-out-dir)/unpaged.o 69 @$(cmd-echo-silent) ' GEN $@' 70 $(q)$(READELFcore) -a -W $< | \ 71 ${AWK} -f ./scripts/gen_ld_rodata_sects.awk > $@ 72 73 74cleanfiles += $(link-out-dir)/init_entries.txt 75$(link-out-dir)/init_entries.txt: $(link-out-dir)/all_objs.o 76 @$(cmd-echo-silent) ' GEN $@' 77 $(q)$(NMcore) $< | \ 78 $(AWK) '/ ____keep_init/ { printf "-u%s", $$3 }' > $@ 79 80objs-init-rem += core/arch/arm/tee/arch_svc.o 81objs-init-rem += core/arch/arm/tee/arch_svc_asm.o 82objs-init-rem += core/arch/arm/tee/init.o 83objs-init-rem += core/arch/arm/tee/entry_std.o 84entries-init += _start 85objs-init := \ 86 $(filter-out $(addprefix $(out-dir)/, $(objs-init-rem)), $(objs) \ 87 $(link-out-dir)/version.o) 88ldargs-init := -i --gc-sections $(addprefix -u, $(entries-init)) 89 90ldargs-init-objs := $(objs-init) $(link-ldadd) $(libgcccore) 91cleanfiles += $(link-out-dir)/init.o 92$(link-out-dir)/init.o: $(link-out-dir)/init_entries.txt 93 $(call gen-version-o) 94 @$(cmd-echo-silent) ' LD $@' 95 $(q)$(LDcore) $(ldargs-init) \ 96 `cat $(link-out-dir)/init_entries.txt` \ 97 $(ldargs-init-objs) -o $@ 98 99cleanfiles += $(link-out-dir)/text_init.ld.S: 100$(link-out-dir)/text_init.ld.S: $(link-out-dir)/init.o 101 @$(cmd-echo-silent) ' GEN $@' 102 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/gen_ld_text_sects.awk > $@ 103 104cleanfiles += $(link-out-dir)/rodata_init.ld.S: 105$(link-out-dir)/rodata_init.ld.S: $(link-out-dir)/init.o 106 @$(cmd-echo-silent) ' GEN $@' 107 $(q)$(READELFcore) -a -W $< | \ 108 ${AWK} -f ./scripts/gen_ld_rodata_sects.awk > $@ 109 110-include $(link-script-dep) 111 112link-script-extra-deps += $(link-out-dir)/text_unpaged.ld.S 113link-script-extra-deps += $(link-out-dir)/rodata_unpaged.ld.S 114link-script-extra-deps += $(link-out-dir)/text_init.ld.S 115link-script-extra-deps += $(link-out-dir)/rodata_init.ld.S 116link-script-extra-deps += $(conf-file) 117cleanfiles += $(link-script-pp) $(link-script-dep) 118$(link-script-pp): $(link-script) $(link-script-extra-deps) 119 @$(cmd-echo-silent) ' CPP $@' 120 @mkdir -p $(dir $@) 121 $(q)$(CPPcore) -Wp,-P,-MT,$@,-MD,$(link-script-dep) \ 122 $(link-script-cppflags) $< > $@ 123 124define update-buildcount 125 @$(cmd-echo-silent) ' UPD $(1)' 126 $(q)if [ ! -f $(1) ]; then \ 127 mkdir -p $(dir $(1)); \ 128 echo 1 >$(1); \ 129 else \ 130 expr 0`cat $(1)` + 1 >$(1); \ 131 fi 132endef 133 134version-o-cflags = $(filter-out -g3,$(core-platform-cflags) \ 135 $(platform-cflags)) # Workaround objdump warning 136DATE_STR = `date -u` 137BUILD_COUNT_STR = `cat $(link-out-dir)/.buildcount` 138define gen-version-o 139 $(call update-buildcount,$(link-out-dir)/.buildcount) 140 @$(cmd-echo-silent) ' GEN $(link-out-dir)/version.o' 141 $(q)echo -e "const char core_v_str[] =" \ 142 "\"$(TEE_IMPL_VERSION) \"" \ 143 "\"#$(BUILD_COUNT_STR) \"" \ 144 "\"$(DATE_STR) \"" \ 145 "\"$(CFG_KERN_LINKER_ARCH)\";\n" \ 146 | $(CCcore) $(version-o-cflags) \ 147 -xc - -c -o $(link-out-dir)/version.o 148endef 149$(link-out-dir)/version.o: 150 $(call gen-version-o) 151 152all: $(link-out-dir)/tee.elf 153cleanfiles += $(link-out-dir)/tee.elf $(link-out-dir)/tee.map 154cleanfiles += $(link-out-dir)/version.o 155cleanfiles += $(link-out-dir)/.buildcount 156$(link-out-dir)/tee.elf: $(objs) $(libdeps) $(link-script-pp) 157 @$(cmd-echo-silent) ' LD $@' 158 $(q)$(LDcore) $(ldargs-tee.elf) -o $@ 159 160all: $(link-out-dir)/tee.dmp 161cleanfiles += $(link-out-dir)/tee.dmp 162$(link-out-dir)/tee.dmp: $(link-out-dir)/tee.elf 163 @$(cmd-echo-silent) ' OBJDUMP $@' 164 $(q)$(OBJDUMPcore) -l -x -d $< > $@ 165 166pageable_sections := .*_pageable 167init_sections := .*_init 168cleanfiles += $(link-out-dir)/tee-pager.bin 169$(link-out-dir)/tee-pager.bin: $(link-out-dir)/tee.elf 170 @$(cmd-echo-silent) ' OBJCOPY $@' 171 $(q)$(OBJCOPYcore) -O binary \ 172 --remove-section="$(pageable_sections)" \ 173 --remove-section="$(init_sections)" \ 174 $< $@ 175 176cleanfiles += $(link-out-dir)/tee-pageable.bin 177$(link-out-dir)/tee-pageable.bin: $(link-out-dir)/tee.elf 178 @$(cmd-echo-silent) ' OBJCOPY $@' 179 $(q)$(OBJCOPYcore) -O binary \ 180 --only-section="$(init_sections)" \ 181 --only-section="$(pageable_sections)" \ 182 $< $@ 183 184cleanfiles += $(link-out-dir)/tee-init_size.txt 185$(link-out-dir)/tee-init_size.txt: $(link-out-dir)/tee.elf 186 @$(cmd-echo-silent) ' GEN $@' 187 @echo -n 0x > $@ 188 $(q)$(NMcore) $< | grep __init_size | sed 's/ .*$$//' >> $@ 189 190cleanfiles += $(link-out-dir)/tee-init_load_addr.txt 191$(link-out-dir)/tee-init_load_addr.txt: $(link-out-dir)/tee.elf 192 @$(cmd-echo-silent) ' GEN $@' 193 @echo -n 0x > $@ 194 $(q)$(NMcore) $< | grep ' _start' | sed 's/ .*$$//' >> $@ 195 196cleanfiles += $(link-out-dir)/tee-init_mem_usage.txt 197$(link-out-dir)/tee-init_mem_usage.txt: $(link-out-dir)/tee.elf 198 @$(cmd-echo-silent) ' GEN $@' 199 @echo -n 0x > $@ 200 $(q)$(NMcore) $< | grep ' __init_mem_usage' | sed 's/ .*$$//' >> $@ 201 202all: $(link-out-dir)/tee.bin 203cleanfiles += $(link-out-dir)/tee.bin 204$(link-out-dir)/tee.bin: $(link-out-dir)/tee-pager.bin \ 205 $(link-out-dir)/tee-pageable.bin \ 206 $(link-out-dir)/tee-init_size.txt \ 207 $(link-out-dir)/tee-init_load_addr.txt \ 208 $(link-out-dir)/tee-init_mem_usage.txt \ 209 ./scripts/gen_hashed_bin.py 210 @$(cmd-echo-silent) ' GEN $@' 211 $(q)./scripts/gen_hashed_bin.py \ 212 --arch $(if $(filter y,$(CFG_ARM64_core)),arm64,arm32) \ 213 --init_size `cat $(link-out-dir)/tee-init_size.txt` \ 214 --init_load_addr_lo \ 215 `cat $(link-out-dir)/tee-init_load_addr.txt` \ 216 --init_mem_usage `cat $(link-out-dir)/tee-init_mem_usage.txt` \ 217 --tee_pager_bin $(link-out-dir)/tee-pager.bin \ 218 --tee_pageable_bin $(link-out-dir)/tee-pageable.bin \ 219 --out $@ 220 221 222all: $(link-out-dir)/tee.symb_sizes 223cleanfiles += $(link-out-dir)/tee.symb_sizes 224$(link-out-dir)/tee.symb_sizes: $(link-out-dir)/tee.elf 225 @$(cmd-echo-silent) ' GEN $@' 226 $(q)$(NMcore) --print-size --reverse-sort --size-sort $< > $@ 227 228cleanfiles += $(link-out-dir)/tee.mem_usage 229ifneq ($(filter mem_usage,$(MAKECMDGOALS)),) 230mem_usage: $(link-out-dir)/tee.mem_usage 231 232$(link-out-dir)/tee.mem_usage: $(link-out-dir)/tee.elf 233 @$(cmd-echo-silent) ' GEN $@' 234 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/mem_usage.awk > $@ 235endif 236