1840798a1SPhilipp Rudo# SPDX-License-Identifier: GPL-2.0 2840798a1SPhilipp Rudo 3840798a1SPhilipp Rudopurgatory-y := head.o purgatory.o string.o sha256.o mem.o 4840798a1SPhilipp Rudo 5cd92ac25SHans de Goedetargets += $(purgatory-y) purgatory.lds purgatory purgatory.chk purgatory.ro 6840798a1SPhilipp RudoPURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y)) 7840798a1SPhilipp Rudo 8ad767ee8SHans de Goede$(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE 9840798a1SPhilipp Rudo $(call if_changed_rule,cc_o_c) 10840798a1SPhilipp Rudo 11*173767c2SSami TolvanenCFLAGS_sha256.o := -D__NO_FORTIFY 1201d3aee8SHans de Goede 13c315e693SPhilipp Rudo$(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE 14840798a1SPhilipp Rudo $(call if_changed_rule,as_o_S) 15840798a1SPhilipp Rudo 163b8b80e9SNathan ChancellorKBUILD_CFLAGS := -std=gnu11 -fno-strict-aliasing -Wall -Wstrict-prototypes 17840798a1SPhilipp RudoKBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare 18840798a1SPhilipp RudoKBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding 1966bfe497SNathan ChancellorKBUILD_CFLAGS += -Os -m64 -msoft-float -fno-common 2042e8d652SFabrice FontaineKBUILD_CFLAGS += -fno-stack-protector 2103c5c83bSAlexander GordeevKBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 22*173767c2SSami TolvanenKBUILD_CFLAGS += -D__DISABLE_EXPORTS 2396fb54a1SArnd BergmannKBUILD_CFLAGS += $(CLANG_FLAGS) 24840798a1SPhilipp RudoKBUILD_CFLAGS += $(call cc-option,-fno-PIE) 25ad03b821SPhilipp RudoKBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS)) 26*173767c2SSami TolvanenKBUILD_AFLAGS += -D__DISABLE_EXPORTS 27840798a1SPhilipp Rudo 28cd92ac25SHans de Goede# Since we link purgatory with -r unresolved symbols are not checked, so we 29cd92ac25SHans de Goede# also link a purgatory.chk binary without -r to check for unresolved symbols. 30cd92ac25SHans de GoedePURGATORY_LDFLAGS := -nostdlib -z nodefaultlib 31cd92ac25SHans de GoedeLDFLAGS_purgatory := -r $(PURGATORY_LDFLAGS) -T 32cd92ac25SHans de GoedeLDFLAGS_purgatory.chk := -e purgatory_start $(PURGATORY_LDFLAGS) 3361f3f8fcSPhilipp Rudo$(obj)/purgatory: $(obj)/purgatory.lds $(PURGATORY_OBJS) FORCE 34840798a1SPhilipp Rudo $(call if_changed,ld) 35840798a1SPhilipp Rudo 36cd92ac25SHans de Goede$(obj)/purgatory.chk: $(obj)/purgatory FORCE 37cd92ac25SHans de Goede $(call if_changed,ld) 38cd92ac25SHans de Goede 3961f3f8fcSPhilipp RudoOBJCOPYFLAGS_purgatory.ro := -O elf64-s390 4061f3f8fcSPhilipp RudoOBJCOPYFLAGS_purgatory.ro += --remove-section='*debug*' 4161f3f8fcSPhilipp RudoOBJCOPYFLAGS_purgatory.ro += --remove-section='.comment' 4261f3f8fcSPhilipp RudoOBJCOPYFLAGS_purgatory.ro += --remove-section='.note.*' 43cd92ac25SHans de Goede$(obj)/purgatory.ro: $(obj)/purgatory $(obj)/purgatory.chk FORCE 4461f3f8fcSPhilipp Rudo $(call if_changed,objcopy) 4561f3f8fcSPhilipp Rudo 4620159e28SMasahiro Yamada$(obj)/kexec-purgatory.o: $(obj)/purgatory.ro 47840798a1SPhilipp Rudo 48b9a56c11SMasahiro Yamadaobj-y += kexec-purgatory.o 49