Use target_system_arch() to check at runtime which target architecture is being run. Note, since TARGET_ARM is defined for TARGET_AARCH64, we check for both ARM & AARCH64 enum values.
Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org> --- hw/virtio/virtio-mem.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/hw/virtio/virtio-mem.c b/hw/virtio/virtio-mem.c index a3d1a676e71..02c47730ae8 100644 --- a/hw/virtio/virtio-mem.c +++ b/hw/virtio/virtio-mem.c @@ -170,13 +170,20 @@ static bool virtio_mem_has_shared_zeropage(RAMBlock *rb) * necessary (as the section size can change). But it's more likely that the * section size will rather get smaller and not bigger over time. */ -#if defined(TARGET_X86_64) || defined(TARGET_I386) || defined(TARGET_S390X) -#define VIRTIO_MEM_USABLE_EXTENT (2 * (128 * MiB)) -#elif defined(TARGET_ARM) -#define VIRTIO_MEM_USABLE_EXTENT (2 * (512 * MiB)) -#else -#error VIRTIO_MEM_USABLE_EXTENT not defined -#endif +static uint64_t virtio_mem_usable_extent_size(void) +{ + switch (target_system_arch()) { + case SYS_EMU_TARGET_I386: + case SYS_EMU_TARGET_X86_64: + case SYS_EMU_TARGET_S390X: + return 2 * 128 * MiB; + case SYS_EMU_TARGET_AARCH64: + case SYS_EMU_TARGET_ARM: + return 2 * 512 * MiB; + default: + g_assert_not_reached(); + } +} static bool virtio_mem_is_busy(void) { @@ -721,7 +728,7 @@ static void virtio_mem_resize_usable_region(VirtIOMEM *vmem, bool can_shrink) { uint64_t newsize = MIN(memory_region_size(&vmem->memdev->mr), - requested_size + VIRTIO_MEM_USABLE_EXTENT); + requested_size + virtio_mem_usable_extent_size()); /* The usable region size always has to be multiples of the block size. */ newsize = QEMU_ALIGN_UP(newsize, vmem->block_size); -- 2.47.1