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 += sem_cpu_sync 32entries-unpaged += generic_boot_get_handlers 33# Can't use KEEP_PAGER in mobj.c since it for some reason causes an assert 34# in the AArch64 linker 35entries-unpaged += mobj_phys_get_pa 36entries-unpaged += mobj_mm_get_pa 37 38ldargs-all_objs := -i $(objs) $(link-ldadd) $(libgcccore) 39cleanfiles += $(link-out-dir)/all_objs.o 40$(link-out-dir)/all_objs.o: $(objs) $(libdeps) $(MAKEFILE_LIST) 41 @$(cmd-echo-silent) ' LD $@' 42 $(q)$(LDcore) $(ldargs-all_objs) -o $@ 43 44cleanfiles += $(link-out-dir)/unpaged_entries.txt 45$(link-out-dir)/unpaged_entries.txt: $(link-out-dir)/all_objs.o 46 @$(cmd-echo-silent) ' GEN $@' 47 $(q)$(NMcore) $< | \ 48 $(AWK) '/ ____keep_pager/ { printf "-u%s ", $$3 }' > $@ 49 50objs-unpaged-rem += core/arch/arm/tee/entry_std.o 51objs-unpaged-rem += core/arch/arm/tee/arch_svc.o 52objs-unpaged := \ 53 $(filter-out $(addprefix $(out-dir)/, $(objs-unpaged-rem)), $(objs)) 54ldargs-unpaged = -i --gc-sections $(addprefix -u, $(entries-unpaged)) 55ldargs-unpaged-objs := $(objs-unpaged) $(link-ldadd) $(libgcccore) 56cleanfiles += $(link-out-dir)/unpaged.o 57$(link-out-dir)/unpaged.o: $(link-out-dir)/unpaged_entries.txt 58 @$(cmd-echo-silent) ' LD $@' 59 $(q)$(LDcore) $(ldargs-unpaged) \ 60 `cat $(link-out-dir)/unpaged_entries.txt` \ 61 $(ldargs-unpaged-objs) -o $@ 62 63cleanfiles += $(link-out-dir)/text_unpaged.ld.S 64$(link-out-dir)/text_unpaged.ld.S: $(link-out-dir)/unpaged.o 65 @$(cmd-echo-silent) ' GEN $@' 66 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/gen_ld_text_sects.awk > $@ 67 68cleanfiles += $(link-out-dir)/rodata_unpaged.ld.S 69$(link-out-dir)/rodata_unpaged.ld.S: $(link-out-dir)/unpaged.o 70 @$(cmd-echo-silent) ' GEN $@' 71 $(q)$(READELFcore) -a -W $< | \ 72 ${AWK} -f ./scripts/gen_ld_rodata_sects.awk > $@ 73 74 75cleanfiles += $(link-out-dir)/init_entries.txt 76$(link-out-dir)/init_entries.txt: $(link-out-dir)/all_objs.o 77 @$(cmd-echo-silent) ' GEN $@' 78 $(q)$(NMcore) $< | \ 79 $(AWK) '/ ____keep_init/ { printf "-u%s", $$3 }' > $@ 80 81objs-init-rem += core/arch/arm/tee/arch_svc.o 82objs-init-rem += core/arch/arm/tee/arch_svc_asm.o 83objs-init-rem += core/arch/arm/tee/init.o 84objs-init-rem += core/arch/arm/tee/entry_std.o 85entries-init += _start 86objs-init := \ 87 $(filter-out $(addprefix $(out-dir)/, $(objs-init-rem)), $(objs) \ 88 $(link-out-dir)/version.o) 89ldargs-init := -i --gc-sections $(addprefix -u, $(entries-init)) 90 91ldargs-init-objs := $(objs-init) $(link-ldadd) $(libgcccore) 92cleanfiles += $(link-out-dir)/init.o 93$(link-out-dir)/init.o: $(link-out-dir)/init_entries.txt 94 $(call gen-version-o) 95 @$(cmd-echo-silent) ' LD $@' 96 $(q)$(LDcore) $(ldargs-init) \ 97 `cat $(link-out-dir)/init_entries.txt` \ 98 $(ldargs-init-objs) -o $@ 99 100cleanfiles += $(link-out-dir)/text_init.ld.S 101$(link-out-dir)/text_init.ld.S: $(link-out-dir)/init.o 102 @$(cmd-echo-silent) ' GEN $@' 103 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/gen_ld_text_sects.awk > $@ 104 105cleanfiles += $(link-out-dir)/rodata_init.ld.S 106$(link-out-dir)/rodata_init.ld.S: $(link-out-dir)/init.o 107 @$(cmd-echo-silent) ' GEN $@' 108 $(q)$(READELFcore) -a -W $< | \ 109 ${AWK} -f ./scripts/gen_ld_rodata_sects.awk > $@ 110 111-include $(link-script-dep) 112 113link-script-extra-deps += $(link-out-dir)/text_unpaged.ld.S 114link-script-extra-deps += $(link-out-dir)/rodata_unpaged.ld.S 115link-script-extra-deps += $(link-out-dir)/text_init.ld.S 116link-script-extra-deps += $(link-out-dir)/rodata_init.ld.S 117link-script-extra-deps += $(conf-file) 118cleanfiles += $(link-script-pp) $(link-script-dep) 119$(link-script-pp): $(link-script) $(link-script-extra-deps) 120 @$(cmd-echo-silent) ' CPP $@' 121 @mkdir -p $(dir $@) 122 $(q)$(CPPcore) -Wp,-P,-MT,$@,-MD,$(link-script-dep) \ 123 $(link-script-cppflags) $< > $@ 124 125define update-buildcount 126 @$(cmd-echo-silent) ' UPD $(1)' 127 $(q)if [ ! -f $(1) ]; then \ 128 mkdir -p $(dir $(1)); \ 129 echo 1 >$(1); \ 130 else \ 131 expr 0`cat $(1)` + 1 >$(1); \ 132 fi 133endef 134 135version-o-cflags = $(filter-out -g3,$(core-platform-cflags) \ 136 $(platform-cflags)) # Workaround objdump warning 137DATE_STR = `date -u` 138BUILD_COUNT_STR = `cat $(link-out-dir)/.buildcount` 139define gen-version-o 140 $(call update-buildcount,$(link-out-dir)/.buildcount) 141 @$(cmd-echo-silent) ' GEN $(link-out-dir)/version.o' 142 $(q)echo -e "const char core_v_str[] =" \ 143 "\"$(TEE_IMPL_VERSION) \"" \ 144 "\"#$(BUILD_COUNT_STR) \"" \ 145 "\"$(DATE_STR) \"" \ 146 "\"$(CFG_KERN_LINKER_ARCH)\";\n" \ 147 | $(CCcore) $(version-o-cflags) \ 148 -xc - -c -o $(link-out-dir)/version.o 149endef 150$(link-out-dir)/version.o: 151 $(call gen-version-o) 152 153all: $(link-out-dir)/tee.elf 154cleanfiles += $(link-out-dir)/tee.elf $(link-out-dir)/tee.map 155cleanfiles += $(link-out-dir)/version.o 156cleanfiles += $(link-out-dir)/.buildcount 157$(link-out-dir)/tee.elf: $(objs) $(libdeps) $(link-script-pp) 158 @$(cmd-echo-silent) ' LD $@' 159 $(q)$(LDcore) $(ldargs-tee.elf) -o $@ 160 161all: $(link-out-dir)/tee.dmp 162cleanfiles += $(link-out-dir)/tee.dmp 163$(link-out-dir)/tee.dmp: $(link-out-dir)/tee.elf 164 @$(cmd-echo-silent) ' OBJDUMP $@' 165 $(q)$(OBJDUMPcore) -l -x -d $< > $@ 166 167pageable_sections := .*_pageable 168init_sections := .*_init 169cleanfiles += $(link-out-dir)/tee-pager.bin 170$(link-out-dir)/tee-pager.bin: $(link-out-dir)/tee.elf \ 171 $(link-out-dir)/tee-data_end.txt 172 @$(cmd-echo-silent) ' OBJCOPY $@' 173 $(q)$(OBJCOPYcore) -O binary \ 174 --remove-section="$(pageable_sections)" \ 175 --remove-section="$(init_sections)" \ 176 --pad-to `cat $(link-out-dir)/tee-data_end.txt` \ 177 $< $@ 178 179cleanfiles += $(link-out-dir)/tee-pageable.bin 180$(link-out-dir)/tee-pageable.bin: $(link-out-dir)/tee.elf 181 @$(cmd-echo-silent) ' OBJCOPY $@' 182 $(q)$(OBJCOPYcore) -O binary \ 183 --only-section="$(init_sections)" \ 184 --only-section="$(pageable_sections)" \ 185 $< $@ 186 187cleanfiles += $(link-out-dir)/tee-data_end.txt 188$(link-out-dir)/tee-data_end.txt: $(link-out-dir)/tee.elf 189 @$(cmd-echo-silent) ' GEN $@' 190 @echo -n 0x > $@ 191 $(q)$(NMcore) $< | grep __data_end | sed 's/ .*$$//' >> $@ 192 193cleanfiles += $(link-out-dir)/tee-init_size.txt 194$(link-out-dir)/tee-init_size.txt: $(link-out-dir)/tee.elf 195 @$(cmd-echo-silent) ' GEN $@' 196 @echo -n 0x > $@ 197 $(q)$(NMcore) $< | grep __init_size | sed 's/ .*$$//' >> $@ 198 199cleanfiles += $(link-out-dir)/tee-init_load_addr.txt 200$(link-out-dir)/tee-init_load_addr.txt: $(link-out-dir)/tee.elf 201 @$(cmd-echo-silent) ' GEN $@' 202 @echo -n 0x > $@ 203 $(q)$(NMcore) $< | grep ' _start' | sed 's/ .*$$//' >> $@ 204 205cleanfiles += $(link-out-dir)/tee-init_mem_usage.txt 206$(link-out-dir)/tee-init_mem_usage.txt: $(link-out-dir)/tee.elf 207 @$(cmd-echo-silent) ' GEN $@' 208 @echo -n 0x > $@ 209 $(q)$(NMcore) $< | grep ' __init_mem_usage' | sed 's/ .*$$//' >> $@ 210 211all: $(link-out-dir)/tee.bin 212cleanfiles += $(link-out-dir)/tee.bin 213$(link-out-dir)/tee.bin: $(link-out-dir)/tee-pager.bin \ 214 $(link-out-dir)/tee-pageable.bin \ 215 $(link-out-dir)/tee-init_size.txt \ 216 $(link-out-dir)/tee-init_load_addr.txt \ 217 $(link-out-dir)/tee-init_mem_usage.txt \ 218 ./scripts/gen_hashed_bin.py 219 @$(cmd-echo-silent) ' GEN $@' 220 $(q)./scripts/gen_hashed_bin.py \ 221 --arch $(if $(filter y,$(CFG_ARM64_core)),arm64,arm32) \ 222 --init_size `cat $(link-out-dir)/tee-init_size.txt` \ 223 --init_load_addr_lo \ 224 `cat $(link-out-dir)/tee-init_load_addr.txt` \ 225 --init_mem_usage `cat $(link-out-dir)/tee-init_mem_usage.txt` \ 226 --tee_pager_bin $(link-out-dir)/tee-pager.bin \ 227 --tee_pageable_bin $(link-out-dir)/tee-pageable.bin \ 228 --out $@ 229 230 231all: $(link-out-dir)/tee.symb_sizes 232cleanfiles += $(link-out-dir)/tee.symb_sizes 233$(link-out-dir)/tee.symb_sizes: $(link-out-dir)/tee.elf 234 @$(cmd-echo-silent) ' GEN $@' 235 $(q)$(NMcore) --print-size --reverse-sort --size-sort $< > $@ 236 237cleanfiles += $(link-out-dir)/tee.mem_usage 238ifneq ($(filter mem_usage,$(MAKECMDGOALS)),) 239mem_usage: $(link-out-dir)/tee.mem_usage 240 241$(link-out-dir)/tee.mem_usage: $(link-out-dir)/tee.elf 242 @$(cmd-echo-silent) ' GEN $@' 243 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/mem_usage.awk > $@ 244endif 245