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arm: Remove ELF_MACHINE from cpu.h 

The only generic code relying on this is linux-user. Linux user
already has a lot of #ifdef TARGET_ customisation so instead, define
ELF_ARCH as either EM_ARM or EM_AARCH64 appropriately.

The armv7m bootloader can just pass EM_ARM directly, as that
is architecture specific code. Note that arm_boot already has its own
logic selecting an arm specific elf machine so this makes V7M more
consistent with arm_boot.

This removes another architecture specific definition from the global
namespace.

Cc: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Acked-By: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
master
Peter Crosthwaite 2015-05-10 23:29:25 -07:00 committed by Paolo Bonzini
parent 98dbe5aca8
commit b597c3f7da
3 changed files with 3 additions and 5 deletions
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2
hw/arm/armv7m.c
View File

@ -215,7 +215,7 @@ qemu_irq *armv7m_init(MemoryRegion *system_memory, int mem_size, int num_irq,
if (kernel_filename) {
image_size = load_elf(kernel_filename, NULL, NULL, &entry, &lowaddr,
NULL, big_endian, ELF_MACHINE, 1);
NULL, big_endian, EM_ARM, 1);
if (image_size < 0) {
image_size = load_image_targphys(kernel_filename, 0, mem_size);
lowaddr = 0;

4
linux-user/elfload.c
View File

@ -272,7 +272,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUX86State *en
#define ELF_START_MMAP 0x80000000
#define ELF_ARCH ELF_MACHINE
#define ELF_ARCH EM_ARM
#define ELF_CLASS ELFCLASS32
static inline void init_thread(struct target_pt_regs *regs,
@ -478,7 +478,7 @@ static uint32_t get_elf_hwcap2(void)
/* 64 bit ARM definitions */
#define ELF_START_MMAP 0x80000000
#define ELF_ARCH ELF_MACHINE
#define ELF_ARCH EM_AARCH64
#define ELF_CLASS ELFCLASS64
#define ELF_PLATFORM "aarch64"

2
target-arm/cpu.h
View File

@ -26,10 +26,8 @@
#if defined(TARGET_AARCH64)
/* AArch64 definitions */
# define TARGET_LONG_BITS 64
# define ELF_MACHINE EM_AARCH64
#else
# define TARGET_LONG_BITS 32
# define ELF_MACHINE EM_ARM
#endif
#define TARGET_IS_BIENDIAN 1