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 29entries-unpaged += thread_init_vbar 30entries-unpaged += sm_init 31entries-unpaged += core_init_mmu_regs 32entries-unpaged += sem_cpu_sync 33entries-unpaged += generic_boot_get_handlers 34 35ldargs-all_objs := -T $(link-script-dummy) --no-check-sections \ 36 $(objs) $(link-ldadd) $(libgcccore) 37cleanfiles += $(link-out-dir)/all_objs.o 38$(link-out-dir)/all_objs.o: $(objs) $(libdeps) $(MAKEFILE_LIST) 39 @$(cmd-echo-silent) ' LD $@' 40 $(q)$(LDcore) $(ldargs-all_objs) -o $@ 41 42cleanfiles += $(link-out-dir)/unpaged_entries.txt 43$(link-out-dir)/unpaged_entries.txt: $(link-out-dir)/all_objs.o 44 @$(cmd-echo-silent) ' GEN $@' 45 $(q)$(NMcore) $< | \ 46 $(AWK) '/ ____keep_pager/ { printf "-u%s ", $$3 }' > $@ 47 48funcs-unpaged-rem += .text.tee_entry_std .text.tee_svc_handler 49objs-unpaged-rem += core/arch/arm/tee/entry_std.o 50objs-unpaged-rem += core/arch/arm/tee/arch_svc.o 51objs-unpaged := \ 52 $(filter-out $(addprefix $(out-dir)/, $(objs-unpaged-rem)), $(objs)) 53ldargs-unpaged = -T $(link-script-dummy) --no-check-sections --gc-sections \ 54 $(addprefix -u, $(entries-unpaged)) 55ldargs-unpaged-objs := $(objs-unpaged) $(link-ldadd) $(libgcccore) 56cleanfiles += $(link-out-dir)/unpaged.o 57$(link-out-dir)/unpaged.o: $(link-out-dir)/unpaged_entries.txt 58 @$(cmd-echo-silent) ' LD $@' 59 $(q)$(LDcore) $(ldargs-unpaged) \ 60 `cat $(link-out-dir)/unpaged_entries.txt` \ 61 $(ldargs-unpaged-objs) -o $@ 62 63cleanfiles += $(link-out-dir)/text_unpaged.ld.S 64$(link-out-dir)/text_unpaged.ld.S: $(link-out-dir)/unpaged.o 65 @$(cmd-echo-silent) ' GEN $@' 66 $(q)$(READELFcore) -S -W $< | \ 67 ./scripts/gen_ld_sects.py .text. $(funcs-unpaged-rem) > $@ 68 69cleanfiles += $(link-out-dir)/rodata_unpaged.ld.S 70$(link-out-dir)/rodata_unpaged.ld.S: $(link-out-dir)/unpaged.o 71 @$(cmd-echo-silent) ' GEN $@' 72 $(q)$(READELFcore) -S -W $< | \ 73 ./scripts/gen_ld_sects.py .rodata. > $@ 74 75 76cleanfiles += $(link-out-dir)/init_entries.txt 77$(link-out-dir)/init_entries.txt: $(link-out-dir)/all_objs.o 78 @$(cmd-echo-silent) ' GEN $@' 79 $(q)$(NMcore) $< | \ 80 $(AWK) '/ ____keep_init/ { printf "-u%s", $$3 }' > $@ 81 82funcs-init-rem = $(funcs-unpaged-rem) 83funcs-init-rem += .text.init_teecore 84objs-init-rem = $(objs-unpaged-rem) 85objs-init-rem += core/arch/arm/tee/init.o 86entries-init += _start 87objs-init := \ 88 $(filter-out $(addprefix $(out-dir)/, $(objs-init-rem)), $(objs) \ 89 $(link-out-dir)/version.o) 90ldargs-init := -T $(link-script-dummy) --no-check-sections --gc-sections \ 91 $(addprefix -u, $(entries-init)) 92 93ldargs-init-objs := $(objs-init) $(link-ldadd) $(libgcccore) 94cleanfiles += $(link-out-dir)/init.o 95$(link-out-dir)/init.o: $(link-out-dir)/init_entries.txt 96 $(call gen-version-o) 97 @$(cmd-echo-silent) ' LD $@' 98 $(q)$(LDcore) $(ldargs-init) \ 99 `cat $(link-out-dir)/init_entries.txt` \ 100 $(ldargs-init-objs) -o $@ 101 102cleanfiles += $(link-out-dir)/text_init.ld.S 103$(link-out-dir)/text_init.ld.S: $(link-out-dir)/init.o 104 @$(cmd-echo-silent) ' GEN $@' 105 $(q)$(READELFcore) -S -W $< | \ 106 ./scripts/gen_ld_sects.py .text. $(funcs-init-rem) > $@ 107 108cleanfiles += $(link-out-dir)/rodata_init.ld.S 109$(link-out-dir)/rodata_init.ld.S: $(link-out-dir)/init.o 110 @$(cmd-echo-silent) ' GEN $@' 111 $(q)$(READELFcore) -S -W $< | ./scripts/gen_ld_sects.py .rodata. > $@ 112 113-include $(link-script-dep) 114 115link-script-extra-deps += $(link-out-dir)/text_unpaged.ld.S 116link-script-extra-deps += $(link-out-dir)/rodata_unpaged.ld.S 117link-script-extra-deps += $(link-out-dir)/text_init.ld.S 118link-script-extra-deps += $(link-out-dir)/rodata_init.ld.S 119link-script-extra-deps += $(conf-file) 120cleanfiles += $(link-script-pp) $(link-script-dep) 121$(link-script-pp): $(link-script) $(link-script-extra-deps) 122 @$(cmd-echo-silent) ' CPP $@' 123 @mkdir -p $(dir $@) 124 $(q)$(CPPcore) -Wp,-P,-MT,$@,-MD,$(link-script-dep) \ 125 $(link-script-cppflags) $< > $@ 126 127define update-buildcount 128 @$(cmd-echo-silent) ' UPD $(1)' 129 $(q)if [ ! -f $(1) ]; then \ 130 mkdir -p $(dir $(1)); \ 131 echo 1 >$(1); \ 132 else \ 133 expr 0`cat $(1)` + 1 >$(1); \ 134 fi 135endef 136 137version-o-cflags = $(filter-out -g3,$(core-platform-cflags) \ 138 $(platform-cflags)) # Workaround objdump warning 139DATE_STR = `date -u` 140BUILD_COUNT_STR = `cat $(link-out-dir)/.buildcount` 141define gen-version-o 142 $(call update-buildcount,$(link-out-dir)/.buildcount) 143 @$(cmd-echo-silent) ' GEN $(link-out-dir)/version.o' 144 $(q)echo -e "const char core_v_str[] =" \ 145 "\"$(TEE_IMPL_VERSION) \"" \ 146 "\"#$(BUILD_COUNT_STR) \"" \ 147 "\"$(DATE_STR) \"" \ 148 "\"$(CFG_KERN_LINKER_ARCH)\";\n" \ 149 | $(CCcore) $(version-o-cflags) \ 150 -xc - -c -o $(link-out-dir)/version.o 151endef 152$(link-out-dir)/version.o: 153 $(call gen-version-o) 154 155all: $(link-out-dir)/tee.elf 156cleanfiles += $(link-out-dir)/tee.elf $(link-out-dir)/tee.map 157cleanfiles += $(link-out-dir)/version.o 158cleanfiles += $(link-out-dir)/.buildcount 159$(link-out-dir)/tee.elf: $(objs) $(libdeps) $(link-script-pp) 160 @$(cmd-echo-silent) ' LD $@' 161 $(q)$(LDcore) $(ldargs-tee.elf) -o $@ 162 163all: $(link-out-dir)/tee.dmp 164cleanfiles += $(link-out-dir)/tee.dmp 165$(link-out-dir)/tee.dmp: $(link-out-dir)/tee.elf 166 @$(cmd-echo-silent) ' OBJDUMP $@' 167 $(q)$(OBJDUMPcore) -l -x -d $< > $@ 168 169pageable_sections := .*_pageable 170init_sections := .*_init 171cleanfiles += $(link-out-dir)/tee-pager.bin 172$(link-out-dir)/tee-pager.bin: $(link-out-dir)/tee.elf \ 173 $(link-out-dir)/tee-data_end.txt 174 @$(cmd-echo-silent) ' OBJCOPY $@' 175 $(q)$(OBJCOPYcore) -O binary \ 176 --remove-section="$(pageable_sections)" \ 177 --remove-section="$(init_sections)" \ 178 --pad-to `cat $(link-out-dir)/tee-data_end.txt` \ 179 $< $@ 180 181cleanfiles += $(link-out-dir)/tee-pageable.bin 182$(link-out-dir)/tee-pageable.bin: $(link-out-dir)/tee.elf 183 @$(cmd-echo-silent) ' OBJCOPY $@' 184 $(q)$(OBJCOPYcore) -O binary \ 185 --only-section="$(init_sections)" \ 186 --only-section="$(pageable_sections)" \ 187 $< $@ 188 189cleanfiles += $(link-out-dir)/tee-data_end.txt 190$(link-out-dir)/tee-data_end.txt: $(link-out-dir)/tee.elf 191 @$(cmd-echo-silent) ' GEN $@' 192 @echo -n 0x > $@ 193 $(q)$(NMcore) $< | grep __data_end | sed 's/ .*$$//' >> $@ 194 195cleanfiles += $(link-out-dir)/tee-init_size.txt 196$(link-out-dir)/tee-init_size.txt: $(link-out-dir)/tee.elf 197 @$(cmd-echo-silent) ' GEN $@' 198 @echo -n 0x > $@ 199 $(q)$(NMcore) $< | grep __init_size | sed 's/ .*$$//' >> $@ 200 201cleanfiles += $(link-out-dir)/tee-init_load_addr.txt 202$(link-out-dir)/tee-init_load_addr.txt: $(link-out-dir)/tee.elf 203 @$(cmd-echo-silent) ' GEN $@' 204 @echo -n 0x > $@ 205 $(q)$(NMcore) $< | grep ' _start' | sed 's/ .*$$//' >> $@ 206 207cleanfiles += $(link-out-dir)/tee-init_mem_usage.txt 208$(link-out-dir)/tee-init_mem_usage.txt: $(link-out-dir)/tee.elf 209 @$(cmd-echo-silent) ' GEN $@' 210 @echo -n 0x > $@ 211 $(q)$(NMcore) $< | grep ' __init_mem_usage' | sed 's/ .*$$//' >> $@ 212 213all: $(link-out-dir)/tee.bin 214cleanfiles += $(link-out-dir)/tee.bin 215$(link-out-dir)/tee.bin: $(link-out-dir)/tee-pager.bin \ 216 $(link-out-dir)/tee-pageable.bin \ 217 $(link-out-dir)/tee-init_size.txt \ 218 $(link-out-dir)/tee-init_load_addr.txt \ 219 $(link-out-dir)/tee-init_mem_usage.txt \ 220 ./scripts/gen_hashed_bin.py 221 @$(cmd-echo-silent) ' GEN $@' 222 $(q)load_addr=`cat $(link-out-dir)/tee-init_load_addr.txt` && \ 223 ./scripts/gen_hashed_bin.py \ 224 --arch $(if $(filter y,$(CFG_ARM64_core)),arm64,arm32) \ 225 --init_size `cat $(link-out-dir)/tee-init_size.txt` \ 226 --init_load_addr_hi $$(($$load_addr >> 32 & 0xffffffff)) \ 227 --init_load_addr_lo $$(($$load_addr & 0xffffffff)) \ 228 --init_mem_usage `cat $(link-out-dir)/tee-init_mem_usage.txt` \ 229 --tee_pager_bin $(link-out-dir)/tee-pager.bin \ 230 --tee_pageable_bin $(link-out-dir)/tee-pageable.bin \ 231 --out $@ 232 233 234all: $(link-out-dir)/tee.symb_sizes 235cleanfiles += $(link-out-dir)/tee.symb_sizes 236$(link-out-dir)/tee.symb_sizes: $(link-out-dir)/tee.elf 237 @$(cmd-echo-silent) ' GEN $@' 238 $(q)$(NMcore) --print-size --reverse-sort --size-sort $< > $@ 239 240cleanfiles += $(link-out-dir)/tee.mem_usage 241ifneq ($(filter mem_usage,$(MAKECMDGOALS)),) 242mem_usage: $(link-out-dir)/tee.mem_usage 243 244$(link-out-dir)/tee.mem_usage: $(link-out-dir)/tee.elf 245 @$(cmd-echo-silent) ' GEN $@' 246 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/mem_usage.awk > $@ 247endif 248