From 54340b17eb042b484652b9f5292ad193bdb02e65 Mon Sep 17 00:00:00 2001 From: Zhang Xiantao Date: Tue, 11 Dec 2007 18:54:27 +0800 Subject: [PATCH] kvm: qemu: Check page size at initialization time. Currently, we assume Qemu target page size = HOST page size, this patch check them. if not equal, print error info and exit. Signed-off-by: Zhang Xiantao --- qemu/hw/ipf.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/qemu/hw/ipf.c b/qemu/hw/ipf.c index 012073d..9466707 100644 --- a/qemu/hw/ipf.c +++ b/qemu/hw/ipf.c @@ -27,6 +27,8 @@ #include "vl.h" #include "firmware.h" #include "ia64intrin.h" +#include + #ifdef USE_KVM #include "qemu-kvm.h" extern int kvm_allowed; @@ -143,6 +145,14 @@ static void ipf_init1(ram_addr_t ram_size, int vga_ram_size, int boot_device, NICInfo *nd; qemu_irq *cpu_irq; qemu_irq *i8259; + int page_size; + + page_size = getpagesize(); + if(page_size != TARGET_PAGE_SIZE) { + fprintf(stderr,"Error! Host page size != qemu target page size,\ + you may need to change TARGET_PAGE_BITS in qemu!!\n"); + exit(-1); + } if (ram_size >= 0xc0000000 ) { above_4g_mem_size = ram_size - 0xc0000000; -- 1.5.2