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