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 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)) 19link-objs := $(filter-out $(out-dir)/core/arch/arm/kernel/link_dummies.o, \ 20 $(objs)) 21ldargs-tee.elf := $(link-ldflags) $(link-objs) $(link-out-dir)/version.o \ 22 $(link-ldadd) $(libgcccore) 23 24link-script-cppflags := -DASM=1 \ 25 $(filter-out $(CPPFLAGS_REMOVE) $(cppflags-remove), \ 26 $(nostdinccore) $(CPPFLAGS) \ 27 $(addprefix -I,$(incdirscore) $(link-out-dir)) \ 28 $(cppflagscore)) 29 30ldargs-all_objs := -T $(link-script-dummy) --no-check-sections \ 31 $(link-objs) $(link-ldadd) $(libgcccore) 32cleanfiles += $(link-out-dir)/all_objs.o 33$(link-out-dir)/all_objs.o: $(objs) $(libdeps) $(MAKEFILE_LIST) 34 @$(cmd-echo-silent) ' LD $@' 35 $(q)$(LDcore) $(ldargs-all_objs) -o $@ 36 37cleanfiles += $(link-out-dir)/unpaged_entries.txt 38$(link-out-dir)/unpaged_entries.txt: $(link-out-dir)/all_objs.o 39 @$(cmd-echo-silent) ' GEN $@' 40 $(q)$(NMcore) $< | \ 41 $(AWK) '/ ____keep_pager/ { printf "-u%s ", $$3 }' > $@ 42 43unpaged-ldargs = -T $(link-script-dummy) --no-check-sections --gc-sections 44unpaged-ldadd := $(objs) $(link-ldadd) $(libgcccore) 45cleanfiles += $(link-out-dir)/unpaged.o 46$(link-out-dir)/unpaged.o: $(link-out-dir)/unpaged_entries.txt 47 @$(cmd-echo-silent) ' LD $@' 48 $(q)$(LDcore) $(unpaged-ldargs) \ 49 `cat $(link-out-dir)/unpaged_entries.txt` \ 50 $(unpaged-ldadd) -o $@ 51 52cleanfiles += $(link-out-dir)/text_unpaged.ld.S 53$(link-out-dir)/text_unpaged.ld.S: $(link-out-dir)/unpaged.o 54 @$(cmd-echo-silent) ' GEN $@' 55 $(q)$(READELFcore) -S -W $< | \ 56 ./scripts/gen_ld_sects.py .text. > $@ 57 58cleanfiles += $(link-out-dir)/rodata_unpaged.ld.S 59$(link-out-dir)/rodata_unpaged.ld.S: $(link-out-dir)/unpaged.o 60 @$(cmd-echo-silent) ' GEN $@' 61 $(q)$(READELFcore) -S -W $< | \ 62 ./scripts/gen_ld_sects.py .rodata. > $@ 63 64 65cleanfiles += $(link-out-dir)/init_entries.txt 66$(link-out-dir)/init_entries.txt: $(link-out-dir)/all_objs.o 67 @$(cmd-echo-silent) ' GEN $@' 68 $(q)$(NMcore) $< | \ 69 $(AWK) '/ ____keep_init/ { printf "-u%s ", $$3 }' > $@ 70 71init-ldargs := -T $(link-script-dummy) --no-check-sections --gc-sections 72init-ldadd := $(objs) $(link-out-dir)/version.o $(link-ldadd) $(libgcccore) 73cleanfiles += $(link-out-dir)/init.o 74$(link-out-dir)/init.o: $(link-out-dir)/init_entries.txt 75 $(call gen-version-o) 76 @$(cmd-echo-silent) ' LD $@' 77 $(q)$(LDcore) $(init-ldargs) \ 78 `cat $(link-out-dir)/init_entries.txt` \ 79 $(init-ldadd) -o $@ 80 81cleanfiles += $(link-out-dir)/text_init.ld.S 82$(link-out-dir)/text_init.ld.S: $(link-out-dir)/init.o 83 @$(cmd-echo-silent) ' GEN $@' 84 $(q)$(READELFcore) -S -W $< | \ 85 ./scripts/gen_ld_sects.py .text. > $@ 86 87cleanfiles += $(link-out-dir)/rodata_init.ld.S 88$(link-out-dir)/rodata_init.ld.S: $(link-out-dir)/init.o 89 @$(cmd-echo-silent) ' GEN $@' 90 $(q)$(READELFcore) -S -W $< | ./scripts/gen_ld_sects.py .rodata. > $@ 91 92-include $(link-script-dep) 93 94link-script-extra-deps += $(link-out-dir)/text_unpaged.ld.S 95link-script-extra-deps += $(link-out-dir)/rodata_unpaged.ld.S 96link-script-extra-deps += $(link-out-dir)/text_init.ld.S 97link-script-extra-deps += $(link-out-dir)/rodata_init.ld.S 98link-script-extra-deps += $(conf-file) 99cleanfiles += $(link-script-pp) $(link-script-dep) 100$(link-script-pp): $(link-script) $(link-script-extra-deps) 101 @$(cmd-echo-silent) ' CPP $@' 102 @mkdir -p $(dir $@) 103 $(q)$(CPPcore) -Wp,-P,-MT,$@,-MD,$(link-script-dep) \ 104 $(link-script-cppflags) $< > $@ 105 106define update-buildcount 107 @$(cmd-echo-silent) ' UPD $(1)' 108 $(q)if [ ! -f $(1) ]; then \ 109 mkdir -p $(dir $(1)); \ 110 echo 1 >$(1); \ 111 else \ 112 expr 0`cat $(1)` + 1 >$(1); \ 113 fi 114endef 115 116version-o-cflags = $(filter-out -g3,$(core-platform-cflags) \ 117 $(platform-cflags)) # Workaround objdump warning 118DATE_STR = `date -u` 119BUILD_COUNT_STR = `cat $(link-out-dir)/.buildcount` 120define gen-version-o 121 $(call update-buildcount,$(link-out-dir)/.buildcount) 122 @$(cmd-echo-silent) ' GEN $(link-out-dir)/version.o' 123 $(q)echo -e "const char core_v_str[] =" \ 124 "\"$(TEE_IMPL_VERSION) \"" \ 125 "\"#$(BUILD_COUNT_STR) \"" \ 126 "\"$(DATE_STR) \"" \ 127 "\"$(CFG_KERN_LINKER_ARCH)\";\n" \ 128 | $(CCcore) $(version-o-cflags) \ 129 -xc - -c -o $(link-out-dir)/version.o 130endef 131$(link-out-dir)/version.o: 132 $(call gen-version-o) 133 134 135all: $(link-out-dir)/tee.elf 136cleanfiles += $(link-out-dir)/tee.elf $(link-out-dir)/tee.map 137cleanfiles += $(link-out-dir)/version.o 138cleanfiles += $(link-out-dir)/.buildcount 139$(link-out-dir)/tee.elf: $(link-objs) $(libdeps) $(link-script-pp) 140 @$(cmd-echo-silent) ' LD $@' 141 $(q)$(LDcore) $(ldargs-tee.elf) -o $@ 142 143all: $(link-out-dir)/tee.dmp 144cleanfiles += $(link-out-dir)/tee.dmp 145$(link-out-dir)/tee.dmp: $(link-out-dir)/tee.elf 146 @$(cmd-echo-silent) ' OBJDUMP $@' 147 $(q)$(OBJDUMPcore) -l -x -d $< > $@ 148 149pageable_sections := .*_pageable 150init_sections := .*_init 151cleanfiles += $(link-out-dir)/tee-pager.bin 152$(link-out-dir)/tee-pager.bin: $(link-out-dir)/tee.elf \ 153 $(link-out-dir)/tee-data_end.txt 154 @$(cmd-echo-silent) ' OBJCOPY $@' 155 $(q)$(OBJCOPYcore) -O binary \ 156 --remove-section="$(pageable_sections)" \ 157 --remove-section="$(init_sections)" \ 158 --pad-to `cat $(link-out-dir)/tee-data_end.txt` \ 159 $< $@ 160 161cleanfiles += $(link-out-dir)/tee-pageable.bin 162$(link-out-dir)/tee-pageable.bin: $(link-out-dir)/tee.elf 163 @$(cmd-echo-silent) ' OBJCOPY $@' 164 $(q)$(OBJCOPYcore) -O binary \ 165 --only-section="$(init_sections)" \ 166 --only-section="$(pageable_sections)" \ 167 $< $@ 168 169cleanfiles += $(link-out-dir)/tee-data_end.txt 170$(link-out-dir)/tee-data_end.txt: $(link-out-dir)/tee.elf 171 @$(cmd-echo-silent) ' GEN $@' 172 @echo -n 0x > $@ 173 $(q)$(NMcore) $< | grep __data_end | sed 's/ .*$$//' >> $@ 174 175cleanfiles += $(link-out-dir)/tee-init_size.txt 176$(link-out-dir)/tee-init_size.txt: $(link-out-dir)/tee.elf 177 @$(cmd-echo-silent) ' GEN $@' 178 @echo -n 0x > $@ 179 $(q)$(NMcore) $< | grep __init_size | sed 's/ .*$$//' >> $@ 180 181cleanfiles += $(link-out-dir)/tee-init_load_addr.txt 182$(link-out-dir)/tee-init_load_addr.txt: $(link-out-dir)/tee.elf 183 @$(cmd-echo-silent) ' GEN $@' 184 @echo -n 0x > $@ 185 $(q)$(NMcore) $< | grep ' _start' | sed 's/ .*$$//' >> $@ 186 187cleanfiles += $(link-out-dir)/tee-init_mem_usage.txt 188$(link-out-dir)/tee-init_mem_usage.txt: $(link-out-dir)/tee.elf 189 @$(cmd-echo-silent) ' GEN $@' 190 @echo -n 0x > $@ 191 $(q)$(NMcore) $< | grep ' __init_mem_usage' | sed 's/ .*$$//' >> $@ 192 193gen_hash_bin_deps := $(link-out-dir)/tee-pager.bin \ 194 $(link-out-dir)/tee-pageable.bin \ 195 $(link-out-dir)/tee-init_size.txt \ 196 $(link-out-dir)/tee-init_load_addr.txt \ 197 $(link-out-dir)/tee-init_mem_usage.txt \ 198 ./scripts/gen_hashed_bin.py 199 200define gen_hash_bin_cmd 201 @$(cmd-echo-silent) ' GEN $@' 202 $(q)load_addr=`cat $(link-out-dir)/tee-init_load_addr.txt` && \ 203 ./scripts/gen_hashed_bin.py \ 204 --arch $(if $(filter y,$(CFG_ARM64_core)),arm64,arm32) \ 205 --init_size `cat $(link-out-dir)/tee-init_size.txt` \ 206 --init_load_addr_hi $$(($$load_addr >> 32 & 0xffffffff)) \ 207 --init_load_addr_lo $$(($$load_addr & 0xffffffff)) \ 208 --init_mem_usage `cat $(link-out-dir)/tee-init_mem_usage.txt` \ 209 --tee_pager_bin $(link-out-dir)/tee-pager.bin \ 210 --tee_pageable_bin $(link-out-dir)/tee-pageable.bin 211endef 212 213all: $(link-out-dir)/tee.bin 214cleanfiles += $(link-out-dir)/tee.bin 215$(link-out-dir)/tee.bin: $(gen_hash_bin_deps) 216 $(gen_hash_bin_cmd) --out $@ 217 218all: $(link-out-dir)/tee-header_v2.bin 219cleanfiles += $(link-out-dir)/tee-header_v2.bin 220$(link-out-dir)/tee-header_v2.bin: $(gen_hash_bin_deps) 221 $(gen_hash_bin_cmd) --out_header_v2 $@ 222 223all: $(link-out-dir)/tee-pager_v2.bin 224cleanfiles += $(link-out-dir)/tee-pager_v2.bin 225$(link-out-dir)/tee-pager_v2.bin: $(gen_hash_bin_deps) 226 $(gen_hash_bin_cmd) --out_pager_v2 $@ 227 228all: $(link-out-dir)/tee-pageable_v2.bin 229cleanfiles += $(link-out-dir)/tee-pageable_v2.bin 230$(link-out-dir)/tee-pageable_v2.bin: $(gen_hash_bin_deps) 231 $(gen_hash_bin_cmd) --out_pageable_v2 $@ 232 233all: $(link-out-dir)/tee.symb_sizes 234cleanfiles += $(link-out-dir)/tee.symb_sizes 235$(link-out-dir)/tee.symb_sizes: $(link-out-dir)/tee.elf 236 @$(cmd-echo-silent) ' GEN $@' 237 $(q)$(NMcore) --print-size --reverse-sort --size-sort $< > $@ 238 239cleanfiles += $(link-out-dir)/tee.mem_usage 240ifneq ($(filter mem_usage,$(MAKECMDGOALS)),) 241mem_usage: $(link-out-dir)/tee.mem_usage 242 243$(link-out-dir)/tee.mem_usage: $(link-out-dir)/tee.elf 244 @$(cmd-echo-silent) ' GEN $@' 245 $(q)$(READELFcore) -a -W $< | ${AWK} -f ./scripts/mem_usage.awk > $@ 246endif 247