* [Bug 1849879] [NEW] qemu-arm should accept vmrs apsr_nzcv, fpscr on M-profile
@ 2019-10-25 17:44 Christophe Lyon
2020-01-24 23:33 ` [Bug 1849879] " Richard Henderson
0 siblings, 1 reply; 2+ messages in thread
From: Christophe Lyon @ 2019-10-25 17:44 UTC (permalink / raw)
To: qemu-devel
Public bug reported:
I've noticed that qemu-arm for cortex-M considers
vmrs apsr_nzcv, fpscr
as an illegal instruction.
In this case, rt==15 means APSR, and the instruction should be accepted
and executed like for A-profile.
I posted a small patch:
https://lists.gnu.org/archive/html/qemu-devel/2019-10/msg06978.html
** Affects: qemu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1849879
Title:
qemu-arm should accept vmrs apsr_nzcv, fpscr on M-profile
Status in QEMU:
New
Bug description:
I've noticed that qemu-arm for cortex-M considers
vmrs apsr_nzcv, fpscr
as an illegal instruction.
In this case, rt==15 means APSR, and the instruction should be
accepted and executed like for A-profile.
I posted a small patch:
https://lists.gnu.org/archive/html/qemu-devel/2019-10/msg06978.html
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1849879/+subscriptions
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug 1849879] Re: qemu-arm should accept vmrs apsr_nzcv, fpscr on M-profile
2019-10-25 17:44 [Bug 1849879] [NEW] qemu-arm should accept vmrs apsr_nzcv, fpscr on M-profile Christophe Lyon
@ 2020-01-24 23:33 ` Richard Henderson
0 siblings, 0 replies; 2+ messages in thread
From: Richard Henderson @ 2020-01-24 23:33 UTC (permalink / raw)
To: qemu-devel
Fixed in 2529ab43b8a05534494704e803e0332d111d8b91, which is in 4.2.
** Changed in: qemu
Status: New => Fix Released
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You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1849879
Title:
qemu-arm should accept vmrs apsr_nzcv, fpscr on M-profile
Status in QEMU:
Fix Released
Bug description:
I've noticed that qemu-arm for cortex-M considers
vmrs apsr_nzcv, fpscr
as an illegal instruction.
In this case, rt==15 means APSR, and the instruction should be
accepted and executed like for A-profile.
I posted a small patch:
https://lists.gnu.org/archive/html/qemu-devel/2019-10/msg06978.html
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1849879/+subscriptions
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2020-01-24 23:41 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2019-10-25 17:44 [Bug 1849879] [NEW] qemu-arm should accept vmrs apsr_nzcv, fpscr on M-profile Christophe Lyon
2020-01-24 23:33 ` [Bug 1849879] " Richard Henderson
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