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[Qemu-devel] qemu physical address
From: |
Xin Tong |
Subject: |
[Qemu-devel] qemu physical address |
Date: |
Tue, 17 Apr 2012 21:28:48 -0400 |
I am reading how qemu refill TLB working.
target-i386/helper.c
pte = pte & env->a20_mask;
/* Even if 4MB pages, we map only one 4KB page in the cache to
avoid filling it too fast */
page_offset = (addr & TARGET_PAGE_MASK) & (page_size - 1);
paddr = (pte & TARGET_PAGE_MASK) + page_offset;
vaddr = virt_addr + page_offset;
How can the paddr be bigger than 4G even though i gave the machine
4096 MB of memory ( i.e. qemu -m 4096 ...). should not paddr be within
0 - 4G-1 ?
Thanks
Xin
- [Qemu-devel] qemu physical address,
Xin Tong <=
- Re: [Qemu-devel] qemu physical address, Blue Swirl, 2012/04/18
- Re: [Qemu-devel] qemu physical address, Xin Tong, 2012/04/18
- Re: [Qemu-devel] qemu physical address, Blue Swirl, 2012/04/19
- Re: [Qemu-devel] qemu physical address, Xin Tong, 2012/04/19
- Re: [Qemu-devel] qemu physical address, Xin Tong, 2012/04/20
- Re: [Qemu-devel] qemu physical address, Blue Swirl, 2012/04/21
- Re: [Qemu-devel] qemu physical address, Xin Tong, 2012/04/21
- Re: [Qemu-devel] qemu physical address, Blue Swirl, 2012/04/21