From: Yongbok Kim <yongbok.kim@imgtec.com>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, leon.alrae@imgtec.com
Subject: [Qemu-devel] [PATCH v2 0/2] target-mips: Add support for misaligned accesses
Date: Mon, 11 May 2015 12:30:48 +0100 [thread overview]
Message-ID: <1431343850-46198-1-git-send-email-yongbok.kim@imgtec.com> (raw)
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
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/cpu.h | 5 +++
target-mips/helper.c | 33 ++++++++++++++++++
target-mips/op_helper.c | 74 ++++++++++++++++++++++++++++++++---------
target-mips/translate.c | 4 ++
target-mips/translate_init.c | 2 +-
5 files changed, 100 insertions(+), 18 deletions(-)
--
1.7.5.4
next reply other threads:[~2015-05-11 11:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-11 11:30 Yongbok Kim [this message]
2015-05-11 11:30 ` [Qemu-devel] [PATCH v2 1/2] target-mips: Misaligned memory accesses for R6 Yongbok Kim
2015-05-11 13:00 ` Andreas Färber
2015-05-11 11:30 ` [Qemu-devel] [PATCH v2 2/2] target-mips: Misaligned memory accesses for MSA Yongbok Kim
2015-05-11 13:12 ` Andreas Färber
2015-05-11 13:15 ` Yongbok Kim
2015-05-11 13:52 ` Leon Alrae
2015-05-12 9:54 ` Peter Maydell
2015-05-12 15:38 ` Richard Henderson
2015-05-12 9:43 ` Leon Alrae
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