diff options
Diffstat (limited to 'hw/mem/memory-device.c')
| -rw-r--r-- | hw/mem/memory-device.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c index 7de1ccd497..8be63c8032 100644 --- a/hw/mem/memory-device.c +++ b/hw/mem/memory-device.c @@ -85,7 +85,8 @@ static void memory_device_check_addable(MachineState *ms, uint64_t size, /* will we exceed the total amount of memory specified */ memory_device_used_region_size(OBJECT(ms), &used_region_size); - if (used_region_size + size > ms->maxram_size - ms->ram_size) { + if (used_region_size + size < used_region_size || + used_region_size + size > ms->maxram_size - ms->ram_size) { error_setg(errp, "not enough space, currently 0x%" PRIx64 " in use of total space for memory devices 0x" RAM_ADDR_FMT, used_region_size, ms->maxram_size - ms->ram_size); @@ -120,7 +121,7 @@ static uint64_t memory_device_get_free_addr(MachineState *ms, g_assert(address_space_end >= address_space_start); /* address_space_start indicates the maximum alignment we expect */ - if (QEMU_ALIGN_UP(address_space_start, align) != address_space_start) { + if (!QEMU_IS_ALIGNED(address_space_start, align)) { error_setg(errp, "the alignment (0x%" PRIx64 ") is not supported", align); return 0; @@ -131,13 +132,13 @@ static uint64_t memory_device_get_free_addr(MachineState *ms, return 0; } - if (hint && QEMU_ALIGN_UP(*hint, align) != *hint) { + if (hint && !QEMU_IS_ALIGNED(*hint, align)) { error_setg(errp, "address must be aligned to 0x%" PRIx64 " bytes", align); return 0; } - if (QEMU_ALIGN_UP(size, align) != size) { + if (!QEMU_IS_ALIGNED(size, align)) { error_setg(errp, "backend memory size must be multiple of 0x%" PRIx64, align); return 0; |