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From: Marc Zyngier <maz@kernel.org>
To: qemu-devel@nongnu.org
Cc: richard.henderson@linaro.org, kvmarm@lists.cs.columbia.edu
Subject: [PATCH 0/3] target/arm: More HCR_EL2.TIDx fixes
Date: Thu, 28 Nov 2019 16:17:15 +0000	[thread overview]
Message-ID: <20191128161718.24361-1-maz@kernel.org> (raw)

I started looking the rest of the missing TIDx handling,
and this resulted in the following patches.

There is still one thing I'm a bit puzzled by though:

HCR_EL2.TID0 mandates trapping of the AArch32 JIDR
register, but I couldn't find a trace of it in the QEMU
code, and trying to read it seems to generate an exception.

It isn't like anyone is going to miss it, but I wonder if
it should be implemented... It could also be that I'm missing
the obvious and that my testing is broken! ;-)

Marc Zyngier (3):
  target/arm: Honor HCR_EL2.TID2 trapping requirements
  target/arm: Honor HCR_EL2.TID1 trapping requirements
  target/arm: Handle trapping to EL2 of AArch32 VMRS instructions

 target/arm/helper-a64.h        |  2 ++
 target/arm/helper.c            | 64 ++++++++++++++++++++++++++++++----
 target/arm/internals.h         |  8 +++++
 target/arm/translate-vfp.inc.c | 12 +++++--
 target/arm/vfp_helper.c        | 27 ++++++++++++++
 5 files changed, 103 insertions(+), 10 deletions(-)

-- 
2.20.1

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WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	richard.henderson@linaro.org, kvmarm@lists.cs.columbia.edu
Subject: [PATCH 0/3] target/arm: More HCR_EL2.TIDx fixes
Date: Thu, 28 Nov 2019 16:17:15 +0000	[thread overview]
Message-ID: <20191128161718.24361-1-maz@kernel.org> (raw)

I started looking the rest of the missing TIDx handling,
and this resulted in the following patches.

There is still one thing I'm a bit puzzled by though:

HCR_EL2.TID0 mandates trapping of the AArch32 JIDR
register, but I couldn't find a trace of it in the QEMU
code, and trying to read it seems to generate an exception.

It isn't like anyone is going to miss it, but I wonder if
it should be implemented... It could also be that I'm missing
the obvious and that my testing is broken! ;-)

Marc Zyngier (3):
  target/arm: Honor HCR_EL2.TID2 trapping requirements
  target/arm: Honor HCR_EL2.TID1 trapping requirements
  target/arm: Handle trapping to EL2 of AArch32 VMRS instructions

 target/arm/helper-a64.h        |  2 ++
 target/arm/helper.c            | 64 ++++++++++++++++++++++++++++++----
 target/arm/internals.h         |  8 +++++
 target/arm/translate-vfp.inc.c | 12 +++++--
 target/arm/vfp_helper.c        | 27 ++++++++++++++
 5 files changed, 103 insertions(+), 10 deletions(-)

-- 
2.20.1



             reply	other threads:[~2019-11-28 16:17 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-28 16:17 Marc Zyngier [this message]
2019-11-28 16:17 ` [PATCH 0/3] target/arm: More HCR_EL2.TIDx fixes Marc Zyngier
2019-11-28 16:17 ` [PATCH 1/3] target/arm: Honor HCR_EL2.TID2 trapping requirements Marc Zyngier
2019-11-28 16:17   ` Marc Zyngier
2019-11-29  7:53   ` Edgar E. Iglesias
2019-11-29  7:53     ` Edgar E. Iglesias
2019-11-28 16:17 ` [PATCH 2/3] target/arm: Honor HCR_EL2.TID1 " Marc Zyngier
2019-11-28 16:17   ` Marc Zyngier
2019-11-29  8:00   ` Edgar E. Iglesias
2019-11-29  8:00     ` Edgar E. Iglesias
2019-11-28 16:17 ` [PATCH 3/3] target/arm: Handle trapping to EL2 of AArch32 VMRS instructions Marc Zyngier
2019-11-28 16:17   ` Marc Zyngier
2019-11-28 16:43   ` Peter Maydell
2019-11-28 16:43     ` Peter Maydell
2019-11-28 17:49     ` Marc Zyngier
2019-11-28 17:49       ` Marc Zyngier
2019-11-28 18:06       ` Peter Maydell
2019-11-28 18:06         ` Peter Maydell
2019-11-29  8:28   ` Edgar E. Iglesias
2019-11-29  8:28     ` Edgar E. Iglesias
2019-11-29  9:24     ` Marc Zyngier
2019-11-29  9:24       ` Marc Zyngier
2019-11-29  9:45       ` Edgar E. Iglesias
2019-11-29  9:45         ` Edgar E. Iglesias
2019-11-29  9:51         ` Peter Maydell
2019-11-29  9:51           ` Peter Maydell
2019-11-28 16:30 ` [PATCH 0/3] target/arm: More HCR_EL2.TIDx fixes Peter Maydell
2019-11-28 16:30   ` Peter Maydell
2019-11-28 16:35   ` Marc Zyngier
2019-11-28 16:35     ` Marc Zyngier

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