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From: | Richard Henderson |
Subject: | Re: [PATCH v1 2/6] target/loongarch: Add set_vec_extctx to set LSX/LASX instructions extctx_flags |
Date: | Tue, 31 Oct 2023 07:50:46 -0700 |
User-agent: | Mozilla Thunderbird |
On 10/30/23 23:16, gaosong wrote:
Anyway, I think my previous suggestion is better:Oh, Could you show more details? I think I didn't get you point.If you want to track what the program is using, you should do it exactly like the real kernel: disable the execution unit, have the program trap, and the enable the execution unit when the trap occurs. At this point, CSR_EUEN enable bits contain
Untested, but something like this. r~
0001-linux-user-loongarch64-Use-traps-to-track-LSX-LASX-u.patch
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