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[Qemu-devel] [PATCH v3 0/2] target-mips: Add support for misaligned acce
From: |
Yongbok Kim |
Subject: |
[Qemu-devel] [PATCH v3 0/2] target-mips: Add support for misaligned accesses |
Date: |
Wed, 13 May 2015 16:37:35 +0100 |
This patch set adds support for misaligned memory accesses in MIPS architecture
Release 6 and MIPS SIMD Architecture.
The behaviour, semantics, and architecture specifications of misaligned memory
accesses are described in:
MIPS Architecture For Programmers Volume I-A: Introduction to the MIPS64
Architecture, Appendix B Misaligned Memory Accesses.
Available at http://www.imgtec.com/mips/architectures/mips64.asp
Regards,
Yongbok
v3:
* Rewrote MSA patch
* Work-around is using byte-to-byte accesses and endianness corrections for
R5+MSA. (This replaces the misaligned flag from v2.) (Leon)
* Bug fixes (Leon)
* Separate helper functions for each data formats
v2:
* Removed re-translation in the mips_cpu_do_unaligned_access() (Peter)
* Checks validity only if an access is spanning into two pages in MSA (Leon)
* Introduced misaligned flag to indicate MSA ld/st is ongoing, is used to
allow misaligned accesses in the mips_cpu_do_unaligned_access() callback.
This is crucial to support MSA misaligned accesses in Release 5 cores.
Yongbok Kim (2):
target-mips: Misaligned memory accesses for R6
target-mips: Misaligned memory accesses for MSA
target-mips/helper.h | 10 ++-
target-mips/op_helper.c | 149 ++++++++++++++++++++++++-----------------
target-mips/translate.c | 23 +++++--
target-mips/translate_init.c | 2 +-
4 files changed, 112 insertions(+), 72 deletions(-)
--
1.7.5.4
- [Qemu-devel] [PATCH v3 0/2] target-mips: Add support for misaligned accesses,
Yongbok Kim <=
- [Qemu-devel] [PATCH v3 1/2] target-mips: Misaligned memory accesses for R6, Yongbok Kim, 2015/05/13
- [Qemu-devel] [PATCH v3 2/2] target-mips: Misaligned memory accesses for MSA, Yongbok Kim, 2015/05/13
- Re: [Qemu-devel] [PATCH v3 2/2] target-mips: Misaligned memory accesses for MSA, Richard Henderson, 2015/05/13
- Re: [Qemu-devel] [PATCH v3 2/2] target-mips: Misaligned memory accesses for MSA, Maciej W. Rozycki, 2015/05/13
- Re: [Qemu-devel] [PATCH v3 2/2] target-mips: Misaligned memory accesses for MSA, Richard Henderson, 2015/05/13
- Re: [Qemu-devel] [PATCH v3 2/2] target-mips: Misaligned memory accesses for MSA, Leon Alrae, 2015/05/13
- Re: [Qemu-devel] [PATCH v3 2/2] target-mips: Misaligned memory accesses for MSA, Maciej W. Rozycki, 2015/05/13
- Re: [Qemu-devel] [PATCH v3 2/2] target-mips: Misaligned memory accesses for MSA, Richard Henderson, 2015/05/13
- Re: [Qemu-devel] [PATCH v3 2/2] target-mips: Misaligned memory accesses for MSA, Maciej W. Rozycki, 2015/05/13
- Re: [Qemu-devel] [PATCH v3 2/2] target-mips: Misaligned memory accesses for MSA, Leon Alrae, 2015/05/14