[PATCH] hw/display/qxl: Set pci rom address aligned with page size

[Bibo Mao]

From: maobibo <maobibo@loongson.cn>

pci memory bar size should be aligned with page size, else it will
not be effective memslot when running in kvm mode.

This patch set qxl pci rom size aligned with page size of host
machine.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
---
 hw/display/qxl.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index 2ba7563..c84f45e 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -317,11 +317,11 @@ static uint32_t qxl_crc32(const uint8_t *p, unsigned len)
 
 static ram_addr_t qxl_rom_size(void)
 {
-#define QXL_REQUIRED_SZ (sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes))
-#define QXL_ROM_SZ 8192
+    uint32_t rom_size;
 
-    QEMU_BUILD_BUG_ON(QXL_REQUIRED_SZ > QXL_ROM_SZ);
-    return QXL_ROM_SZ;
+    rom_size = sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes);
+    rom_size = QEMU_ALIGN_UP(rom_size, qemu_real_host_page_size);
+    return rom_size;
 }
 
 static void init_qxl_rom(PCIQXLDevice *d)
-- 
1.8.3.1