diff options
Diffstat (limited to 'pc-bios')
| -rw-r--r-- | pc-bios/optionrom/Makefile | 15 | ||||
| -rw-r--r-- | pc-bios/optionrom/code16gcc.h | 3 | ||||
| -rw-r--r-- | pc-bios/s390-ccw/Makefile | 20 | ||||
| -rw-r--r-- | pc-bios/s390-ccw/netboot.mak | 6 | ||||
| -rw-r--r-- | pc-bios/vof/Makefile | 8 |
5 files changed, 17 insertions, 35 deletions
diff --git a/pc-bios/optionrom/Makefile b/pc-bios/optionrom/Makefile index f639915b4f..e90ca2e1c6 100644 --- a/pc-bios/optionrom/Makefile +++ b/pc-bios/optionrom/Makefile @@ -11,7 +11,7 @@ CFLAGS = -O2 -g quiet-command = $(if $(V),$1,$(if $(2),@printf " %-7s %s\n" $2 $3 && $1, @$1)) cc-option = $(if $(shell $(CC) $1 -c -o /dev/null -xc /dev/null >/dev/null 2>&1 && echo OK), $1, $2) -override CFLAGS += -march=i486 -Wall +override CFLAGS += -march=i486 -Wall $(EXTRA_CFLAGS) -m16 # If -fcf-protection is enabled in flags or compiler defaults that will # conflict with -march=i486 @@ -24,21 +24,8 @@ override CFLAGS += $(filter -W%, $(QEMU_CFLAGS)) override CFLAGS += $(call cc-option, -fno-pie) override CFLAGS += -ffreestanding -I$(TOPSRC_DIR)/include override CFLAGS += $(call cc-option, -fno-stack-protector) -override CFLAGS += $(call cc-option, -m16) override CFLAGS += $(call cc-option, -Wno-array-bounds) -ifeq ($(filter -m16, $(CFLAGS)),) -# Attempt to work around compilers that lack -m16 (GCC <= 4.8, clang <= ??) -# On GCC we add -fno-toplevel-reorder to keep the order of asm blocks with -# respect to the rest of the code. clang does not have -fno-toplevel-reorder, -# but it places all asm blocks at the beginning and we're relying on it for -# the option ROM header. So just force clang not to use the integrated -# assembler, which doesn't support .code16gcc. -override CFLAGS += $(call cc-option, -fno-toplevel-reorder) -override CFLAGS += $(call cc-option, -no-integrated-as) -override CFLAGS += -m32 -include $(SRC_DIR)/code16gcc.h -endif - Wa = -Wa, override ASFLAGS += -32 override CFLAGS += $(call cc-option, $(Wa)-32) diff --git a/pc-bios/optionrom/code16gcc.h b/pc-bios/optionrom/code16gcc.h deleted file mode 100644 index 9c8d25d508..0000000000 --- a/pc-bios/optionrom/code16gcc.h +++ /dev/null @@ -1,3 +0,0 @@ -asm( -".code16gcc\n" -); diff --git a/pc-bios/s390-ccw/Makefile b/pc-bios/s390-ccw/Makefile index 6eb713bf37..26ad40f94e 100644 --- a/pc-bios/s390-ccw/Makefile +++ b/pc-bios/s390-ccw/Makefile @@ -18,11 +18,11 @@ $(call set-vpath, $(SRC_PATH)) QEMU_DGFLAGS = -MMD -MP -MT $@ -MF $(@D)/$(*F).d %.o: %.c - $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \ + $(call quiet-command,$(CC) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \ -c -o $@ $<,"CC","$(TARGET_DIR)$@") %.o: %.S - $(call quiet-command,$(CCAS) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \ + $(call quiet-command,$(CCAS) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \ -c -o $@ $<,"CCAS","$(TARGET_DIR)$@") .PHONY : all clean build-all @@ -30,14 +30,14 @@ QEMU_DGFLAGS = -MMD -MP -MT $@ -MF $(@D)/$(*F).d OBJECTS = start.o main.o bootmap.o jump2ipl.o sclp.o menu.o \ virtio.o virtio-scsi.o virtio-blkdev.o libc.o cio.o dasd-ipl.o -QEMU_CFLAGS := -Wall $(filter -W%, $(QEMU_CFLAGS)) -QEMU_CFLAGS += $(call cc-option,-Werror $(QEMU_CFLAGS),-Wno-stringop-overflow) -QEMU_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common -fPIE -QEMU_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables -QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -fno-stack-protector) -QEMU_CFLAGS += -msoft-float -QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS),-march=z900,-march=z10) -QEMU_CFLAGS += -std=gnu99 +EXTRA_CFLAGS := $(EXTRA_CFLAGS) -Wall +EXTRA_CFLAGS += $(call cc-option,-Werror $(EXTRA_CFLAGS),-Wno-stringop-overflow) +EXTRA_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common -fPIE +EXTRA_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables +EXTRA_CFLAGS += $(call cc-option, $(EXTRA_CFLAGS), -fno-stack-protector) +EXTRA_CFLAGS += -msoft-float +EXTRA_CFLAGS += $(call cc-option, $(EXTRA_CFLAGS),-march=z900,-march=z10) +EXTRA_CFLAGS += -std=gnu99 LDFLAGS += -Wl,-pie -nostdlib build-all: s390-ccw.img s390-netboot.img diff --git a/pc-bios/s390-ccw/netboot.mak b/pc-bios/s390-ccw/netboot.mak index 057f13bdb4..7639da194c 100644 --- a/pc-bios/s390-ccw/netboot.mak +++ b/pc-bios/s390-ccw/netboot.mak @@ -8,7 +8,7 @@ LIBNET_INC := -I$(SLOF_DIR)/lib/libnet NETLDFLAGS := $(LDFLAGS) -Wl,-Ttext=0x7800000 -$(NETOBJS): QEMU_CFLAGS += $(LIBC_INC) $(LIBNET_INC) +$(NETOBJS): EXTRA_CFLAGS += $(LIBC_INC) $(LIBNET_INC) s390-netboot.elf: $(NETOBJS) libnet.a libc.a $(call quiet-command,$(CC) $(NETLDFLAGS) -o $@ $^,"BUILD","$(TARGET_DIR)$@") @@ -21,7 +21,7 @@ NO_GNU_WARN := $(call cc-option,-Werror $(QEMU_CFLAGS),-Wno-gnu) # libc files: -LIBC_CFLAGS = $(QEMU_CFLAGS) $(CFLAGS) $(NO_GNU_WARN) $(LIBC_INC) $(LIBNET_INC) \ +LIBC_CFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(NO_GNU_WARN) $(LIBC_INC) $(LIBNET_INC) \ -MMD -MP -MT $@ -MF $(@:%.o=%.d) CTYPE_OBJS = isdigit.o isxdigit.o toupper.o @@ -55,7 +55,7 @@ libc.a: $(LIBCOBJS) LIBNETOBJS := args.o dhcp.o dns.o icmpv6.o ipv6.o tcp.o udp.o bootp.o \ dhcpv6.o ethernet.o ipv4.o ndp.o tftp.o pxelinux.o -LIBNETCFLAGS = $(QEMU_CFLAGS) $(CFLAGS) $(NO_GNU_WARN) $(LIBC_INC) $(LIBNET_INC) \ +LIBNETCFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(NO_GNU_WARN) $(LIBC_INC) $(LIBNET_INC) \ -DDHCPARCH=0x1F -MMD -MP -MT $@ -MF $(@:%.o=%.d) %.o : $(SLOF_DIR)/lib/libnet/%.c diff --git a/pc-bios/vof/Makefile b/pc-bios/vof/Makefile index 391ac0d600..8809c82768 100644 --- a/pc-bios/vof/Makefile +++ b/pc-bios/vof/Makefile @@ -2,15 +2,13 @@ include config.mak VPATH=$(SRC_DIR) all: vof.bin -CC ?= $(CROSS)gcc -LD ?= $(CROSS)ld -OBJCOPY ?= $(CROSS)objcopy +EXTRA_CFLAGS += -mcpu=power4 %.o: %.S - $(CC) -m32 -mbig-endian -mcpu=power4 -c -o $@ $< + $(CC) $(EXTRA_CFLAGS) -c -o $@ $< %.o: %.c - $(CC) -m32 -mbig-endian -mcpu=power4 -c -fno-stack-protector -o $@ $< + $(CC) $(EXTRA_CFLAGS) -c -fno-stack-protector -o $@ $< vof.elf: entry.o main.o ci.o bootmem.o libc.o $(LD) -nostdlib -e_start -T$(SRC_DIR)/vof.lds -EB -o $@ $^ |