Re: [Qemu-devel] Qemu memory operations

On Wed, Aug 15, 2012 at 4:57 AM, Prathmesh Kallurkar wrote: > 1. Did you get the guest physical address for the load/store instructions? > No, I am getting the guest virtual address for the load and store > instructions. > > >> >> 2. The code you pasted seems translated code. The number of input c

Re: [Qemu-devel] Qemu memory operations

1. Did you get the guest physical address for the load/store instructions? No, I am getting the guest virtual address for the load and store instructions. > 2. The code you pasted seems translated code. The number of input code > could be smaller than this. So don't you think we should trap the

Re: [Qemu-devel] Qemu memory operations

Hi, Prathmesh I am working on getting the guest memory trace too. You said you have trapped the guest memory access for most instructions. I have three questions. 1. Did you get the guest physical address for the load/store instructions? 2. The code you pasted seems translated code. The number of i

Re: [Qemu-devel] Qemu memory operations

On Tue, Aug 14, 2012 at 11:58 AM, Prathmesh Kallurkar wrote: > Sorry friends for the misleading instructions in the previous mail. > > cmp ecx, [r12+0x4] > mov r10b, [r13+0x0] > mov byte [rax+0xf], 0x0 > mov byte [rax+rdx], 0x0 > > It seems all the above instructions are getting covered with t

Re: [Qemu-devel] Qemu memory operations

Sorry friends for the misleading instructions in the previous mail. cmp ecx, [r12+0x4] mov r10b, [r13+0x0] mov byte [rax+0xf], 0x0 mov byte [rax+rdx], 0x0 It seems all the above instructions are getting covered with the tcg_gen_ld/st helpers. But now I have stumbled upon another problem : I

[Qemu-devel] Qemu memory operations

Hello friends, I intend to use Qemu to generate a memory trace for the execution of a x86 guest operating system. According to tcg wikipage, Qemu uses a handful of helpers to generate load/stores to the target(guest) memory. This lis