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pc-bios/optionrom: compile with -Wno-array-bounds

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Avoids the following bogus warning:

pvh_main.c: In function ‘pvh_load_kernel’:
pvh_main.c:101:42: warning: array subscript 0 is outside array bounds of ‘uint16_t[0]’ {aka ‘short unsigned int[]’} [-Warray-bounds]
  101 |         uint32_t ebda_paddr = ((uint32_t)*((uint16_t *)EBDA_BASE_ADDR)) << 4;
      |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: qemu-stable@nongnu.org
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-04-13 14:22:12 +02:00
parent 43924d1e53
commit 236d15222e
1 changed files with 1 additions and 0 deletions
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pc-bios/optionrom/Makefile
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@ -26,6 +26,7 @@ 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 <= ??)