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| From: | Richard Henderson |
| Subject: | Re: [Qemu-devel] best way to implement a "memclear" type instruction in TCG? |
| Date: | Wed, 22 Jan 2014 11:06:49 -0800 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 |
On 01/22/2014 10:58 AM, Peter Maydell wrote: > In theory we could just find the pointer to the memory QEMU is backing > the guest RAM with and call memset on it... That's more or less what we do for the s390 insn XC. See mem_helper.c, especially mvc_fast_memset. r~
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