1840798a1SPhilipp Rudo# SPDX-License-Identifier: GPL-2.0 2840798a1SPhilipp Rudo 3840798a1SPhilipp RudoOBJECT_FILES_NON_STANDARD := y 4840798a1SPhilipp Rudo 5840798a1SPhilipp Rudopurgatory-y := head.o purgatory.o string.o sha256.o mem.o 6840798a1SPhilipp Rudo 7cd92ac25SHans de Goedetargets += $(purgatory-y) purgatory.lds purgatory purgatory.chk purgatory.ro 8840798a1SPhilipp RudoPURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y)) 9840798a1SPhilipp Rudo 10ad767ee8SHans de Goede$(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE 11840798a1SPhilipp Rudo $(call if_changed_rule,cc_o_c) 12840798a1SPhilipp Rudo 134ce1e941SKees CookCFLAGS_sha256.o := -D__DISABLE_EXPORTS -D__NO_FORTIFY 1401d3aee8SHans de Goede 15c315e693SPhilipp Rudo$(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE 16840798a1SPhilipp Rudo $(call if_changed_rule,as_o_S) 17840798a1SPhilipp Rudo 18c23587c9SChristian BorntraegerKCOV_INSTRUMENT := n 19c23587c9SChristian BorntraegerGCOV_PROFILE := n 20c23587c9SChristian BorntraegerUBSAN_SANITIZE := n 21c23587c9SChristian BorntraegerKASAN_SANITIZE := n 22e37b3dd0SIlya LeoshkevichKCSAN_SANITIZE := n 23840798a1SPhilipp Rudo 24*cefbf9f8SNathan ChancellorKBUILD_CFLAGS := -std=gnu11 -fno-strict-aliasing -Wall -Wstrict-prototypes 25840798a1SPhilipp RudoKBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare 26840798a1SPhilipp RudoKBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding 2766bfe497SNathan ChancellorKBUILD_CFLAGS += -Os -m64 -msoft-float -fno-common 2842e8d652SFabrice FontaineKBUILD_CFLAGS += -fno-stack-protector 2903c5c83bSAlexander GordeevKBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 3096fb54a1SArnd BergmannKBUILD_CFLAGS += $(CLANG_FLAGS) 31840798a1SPhilipp RudoKBUILD_CFLAGS += $(call cc-option,-fno-PIE) 32ad03b821SPhilipp RudoKBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS)) 33840798a1SPhilipp Rudo 34cd92ac25SHans de Goede# Since we link purgatory with -r unresolved symbols are not checked, so we 35cd92ac25SHans de Goede# also link a purgatory.chk binary without -r to check for unresolved symbols. 36cd92ac25SHans de GoedePURGATORY_LDFLAGS := -nostdlib -z nodefaultlib 37cd92ac25SHans de GoedeLDFLAGS_purgatory := -r $(PURGATORY_LDFLAGS) -T 38cd92ac25SHans de GoedeLDFLAGS_purgatory.chk := -e purgatory_start $(PURGATORY_LDFLAGS) 3961f3f8fcSPhilipp Rudo$(obj)/purgatory: $(obj)/purgatory.lds $(PURGATORY_OBJS) FORCE 40840798a1SPhilipp Rudo $(call if_changed,ld) 41840798a1SPhilipp Rudo 42cd92ac25SHans de Goede$(obj)/purgatory.chk: $(obj)/purgatory FORCE 43cd92ac25SHans de Goede $(call if_changed,ld) 44cd92ac25SHans de Goede 4561f3f8fcSPhilipp RudoOBJCOPYFLAGS_purgatory.ro := -O elf64-s390 4661f3f8fcSPhilipp RudoOBJCOPYFLAGS_purgatory.ro += --remove-section='*debug*' 4761f3f8fcSPhilipp RudoOBJCOPYFLAGS_purgatory.ro += --remove-section='.comment' 4861f3f8fcSPhilipp RudoOBJCOPYFLAGS_purgatory.ro += --remove-section='.note.*' 49cd92ac25SHans de Goede$(obj)/purgatory.ro: $(obj)/purgatory $(obj)/purgatory.chk FORCE 5061f3f8fcSPhilipp Rudo $(call if_changed,objcopy) 5161f3f8fcSPhilipp Rudo 5220159e28SMasahiro Yamada$(obj)/kexec-purgatory.o: $(obj)/purgatory.ro 53840798a1SPhilipp Rudo 54b9a56c11SMasahiro Yamadaobj-y += kexec-purgatory.o 55