From: Leon Alrae <leon.alrae@imgtec.com>
To: James Hogan <james.hogan@imgtec.com>
Cc: qemu-devel@nongnu.org, aurelien@aurel32.net
Subject: Re: [Qemu-devel] [PATCH 2/7] target-mips: support Page Frame Number Extension field
Date: Wed, 29 Apr 2015 16:31:58 +0100 [thread overview]
Message-ID: <5540F96E.8090109@imgtec.com> (raw)
In-Reply-To: <20150428213908.GC22974@jhogan-linux.le.imgtec.org>
> 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
next prev parent reply other threads:[~2015-04-29 15:32 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-28 12:41 [Qemu-devel] [PATCH 0/7] target-mips: add support for large physical addresses Leon Alrae
2015-04-28 12:41 ` [Qemu-devel] [PATCH 1/7] target-mips: extend selected CP0 registers to 64-bits in MIPS32 Leon Alrae
2015-04-28 12:41 ` [Qemu-devel] [PATCH 2/7] target-mips: support Page Frame Number Extension field Leon Alrae
2015-04-28 13:35 ` James Hogan
2015-04-28 13:47 ` James Hogan
2015-04-28 15:59 ` Leon Alrae
2015-04-28 21:39 ` James Hogan
2015-04-29 15:31 ` Leon Alrae [this message]
2015-04-28 12:41 ` [Qemu-devel] [PATCH 3/7] target-mips: add CP0.PageGrain.ELPA support Leon Alrae
2015-04-28 15:08 ` James Hogan
2015-04-29 11:35 ` Leon Alrae
2015-04-28 12:41 ` [Qemu-devel] [PATCH 4/7] target-mips: add MTHC0 and MFHC0 instructions Leon Alrae
2015-04-28 15:52 ` James Hogan
2015-04-29 14:26 ` Leon Alrae
2015-04-28 12:41 ` [Qemu-devel] [PATCH 5/7] target-mips: correct MFC0 for CP0.EntryLo in MIPS64 Leon Alrae
2015-04-28 12:41 ` [Qemu-devel] [PATCH 6/7] target-mips: remove invalid comments in translate_init.c Leon Alrae
2015-04-28 21:50 ` James Hogan
2015-04-28 12:41 ` [Qemu-devel] [PATCH 7/7] target-mips: enable XPA and LPA features Leon Alrae
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