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authorPaolo Bonzini <pbonzini@redhat.com>2022-05-27 12:25:33 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2022-07-06 09:31:15 +0200
commitebca847d051b7a595494f9ef0f128113ef125c8e (patch)
tree8e91101e800b223aaf4aca16e24690ef38fc5514 /pc-bios
parent6c8fa961da5e60f574bb52fd3ad44b1e9e8ad4b8 (diff)
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pc-bios/optionrom: use -m16 unconditionally
Remove support for .code16gcc, all supported platforms have -m16. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'pc-bios')
-rw-r--r--pc-bios/optionrom/Makefile15
-rw-r--r--pc-bios/optionrom/code16gcc.h3
2 files changed, 1 insertions, 17 deletions
diff --git a/pc-bios/optionrom/Makefile b/pc-bios/optionrom/Makefile
index f639915..ea89ce9 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 -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 9c8d25d..0000000
--- a/pc-bios/optionrom/code16gcc.h
+++ /dev/null
@@ -1,3 +0,0 @@
-asm(
-".code16gcc\n"
-);