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Re: [PATCH 1/3] target/loongarch: Introduce loongarch32-softmmu target


From: Richard Henderson
Subject: Re: [PATCH 1/3] target/loongarch: Introduce loongarch32-softmmu target
Date: Sun, 6 Aug 2023 07:41:34 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0

On 8/6/23 07:13, Jiajie Chen wrote:
This commit introduces new loongarch32-softmmu target. Compared to
loongarch64-softmmu, the new target is different at least in:

- GPRs and CSRs are 32-bits wide, but FPRs are still 64-bits wide
- LA32 lacks some 64-bit-only instructions
- CSR.DMW0-3 introduces PSEG

Let us not create a new executable if we can avoid it.
We can run 32-bit cpus from qemu-system-{x86_64,ppc64,aarch64}.

In any case, the patch is much too large and must be split.


r~



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