162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciOBJECT_FILES_NON_STANDARD := y 462306a36Sopenharmony_ci 562306a36Sopenharmony_cipurgatory-y := head.o purgatory.o string.o sha256.o mem.o 662306a36Sopenharmony_ci 762306a36Sopenharmony_citargets += $(purgatory-y) purgatory.lds purgatory purgatory.chk purgatory.ro 862306a36Sopenharmony_ciPURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y)) 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci$(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE 1162306a36Sopenharmony_ci $(call if_changed_rule,cc_o_c) 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ciCFLAGS_sha256.o := -D__DISABLE_EXPORTS -D__NO_FORTIFY 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci$(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE 1662306a36Sopenharmony_ci $(call if_changed_rule,as_o_S) 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ciKCOV_INSTRUMENT := n 1962306a36Sopenharmony_ciGCOV_PROFILE := n 2062306a36Sopenharmony_ciUBSAN_SANITIZE := n 2162306a36Sopenharmony_ciKASAN_SANITIZE := n 2262306a36Sopenharmony_ciKCSAN_SANITIZE := n 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ciKBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes 2562306a36Sopenharmony_ciKBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare 2662306a36Sopenharmony_ciKBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding 2762306a36Sopenharmony_ciKBUILD_CFLAGS += -Os -m64 -msoft-float -fno-common 2862306a36Sopenharmony_ciKBUILD_CFLAGS += -fno-stack-protector 2962306a36Sopenharmony_ciKBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 3062306a36Sopenharmony_ciKBUILD_CFLAGS += $(CLANG_FLAGS) 3162306a36Sopenharmony_ciKBUILD_CFLAGS += $(call cc-option,-fno-PIE) 3262306a36Sopenharmony_ciKBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS)) 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ci# Since we link purgatory with -r unresolved symbols are not checked, so we 3562306a36Sopenharmony_ci# also link a purgatory.chk binary without -r to check for unresolved symbols. 3662306a36Sopenharmony_ciPURGATORY_LDFLAGS := -nostdlib -z nodefaultlib 3762306a36Sopenharmony_ciLDFLAGS_purgatory := -r $(PURGATORY_LDFLAGS) -T 3862306a36Sopenharmony_ciLDFLAGS_purgatory.chk := -e purgatory_start $(PURGATORY_LDFLAGS) 3962306a36Sopenharmony_ci$(obj)/purgatory: $(obj)/purgatory.lds $(PURGATORY_OBJS) FORCE 4062306a36Sopenharmony_ci $(call if_changed,ld) 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ci$(obj)/purgatory.chk: $(obj)/purgatory FORCE 4362306a36Sopenharmony_ci $(call if_changed,ld) 4462306a36Sopenharmony_ci 4562306a36Sopenharmony_ciOBJCOPYFLAGS_purgatory.ro := -O elf64-s390 4662306a36Sopenharmony_ciOBJCOPYFLAGS_purgatory.ro += --remove-section='*debug*' 4762306a36Sopenharmony_ciOBJCOPYFLAGS_purgatory.ro += --remove-section='.comment' 4862306a36Sopenharmony_ciOBJCOPYFLAGS_purgatory.ro += --remove-section='.note.*' 4962306a36Sopenharmony_ci$(obj)/purgatory.ro: $(obj)/purgatory $(obj)/purgatory.chk FORCE 5062306a36Sopenharmony_ci $(call if_changed,objcopy) 5162306a36Sopenharmony_ci 5262306a36Sopenharmony_ci$(obj)/kexec-purgatory.o: $(obj)/purgatory.ro 5362306a36Sopenharmony_ci 5462306a36Sopenharmony_ciobj-y += kexec-purgatory.o 55