qemu-patch-raspberry4/poison.h
Blue Swirl 21673cdecb Avoid CPU endian memory accesses in devices
Don't compile virtio.c in hwlib, it depends on memory accesses
performed in CPU endianness.

Make loads and stores in CPU endianness unavailable to devices
and poison them to avoid further bugs.

Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-20 21:22:43 +00:00

64 lines
1.8 KiB
C

/* Poison identifiers that should not be used when building
target independent device code. */
#ifndef HW_POISON_H
#define HW_POISON_H
#ifdef __GNUC__
#pragma GCC poison TARGET_I386
#pragma GCC poison TARGET_X86_64
#pragma GCC poison TARGET_ALPHA
#pragma GCC poison TARGET_ARM
#pragma GCC poison TARGET_CRIS
#pragma GCC poison TARGET_LM32
#pragma GCC poison TARGET_M68K
#pragma GCC poison TARGET_MIPS
#pragma GCC poison TARGET_MIPS64
#pragma GCC poison TARGET_PPC
#pragma GCC poison TARGET_PPCEMB
#pragma GCC poison TARGET_PPC64
#pragma GCC poison TARGET_ABI32
#pragma GCC poison TARGET_SH4
#pragma GCC poison TARGET_SPARC
#pragma GCC poison TARGET_SPARC64
#pragma GCC poison TARGET_WORDS_BIGENDIAN
#pragma GCC poison BSWAP_NEEDED
#pragma GCC poison TARGET_LONG_BITS
#pragma GCC poison TARGET_FMT_lx
#pragma GCC poison TARGET_FMT_ld
#pragma GCC poison TARGET_PAGE_SIZE
#pragma GCC poison TARGET_PAGE_MASK
#pragma GCC poison TARGET_PAGE_BITS
#pragma GCC poison TARGET_PAGE_ALIGN
#pragma GCC poison CPUState
#pragma GCC poison env
#pragma GCC poison lduw_phys
#pragma GCC poison ldl_phys
#pragma GCC poison ldq_phys
#pragma GCC poison stl_phys_notdirty
#pragma GCC poison stq_phys_notdirty
#pragma GCC poison stw_phys
#pragma GCC poison stl_phys
#pragma GCC poison stq_phys
#pragma GCC poison CPU_INTERRUPT_HARD
#pragma GCC poison CPU_INTERRUPT_EXITTB
#pragma GCC poison CPU_INTERRUPT_HALT
#pragma GCC poison CPU_INTERRUPT_DEBUG
#pragma GCC poison CPU_INTERRUPT_TGT_EXT_0
#pragma GCC poison CPU_INTERRUPT_TGT_EXT_1
#pragma GCC poison CPU_INTERRUPT_TGT_EXT_2
#pragma GCC poison CPU_INTERRUPT_TGT_EXT_3
#pragma GCC poison CPU_INTERRUPT_TGT_EXT_4
#pragma GCC poison CPU_INTERRUPT_TGT_INT_0
#pragma GCC poison CPU_INTERRUPT_TGT_INT_1
#pragma GCC poison CPU_INTERRUPT_TGT_INT_2
#endif
#endif