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| From: | Leon Alrae |
| Subject: | Re: [Qemu-devel] [PATCH 2/7] target-mips: support Page Frame Number Extension field |
| Date: | Wed, 29 Apr 2015 16:31:58 +0100 |
| User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
> I think I wasn't expecting that because 32-bit kernels can run on MIPS64 > hardware using the same mfc0/mfhc0 instructions, so having a single > internal representation in QEMU seemed simpler & less fragile, since the > same source code needs to support both MIPS32 and MIPS64 anyway. In my opinion implementing MIPS32 details in a different way than specified in MIPS32 PRA would be actually more fragile. That could cause just more confusion when implementing future MIPS32 PRA changes affecting this area. Leon
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