Thanks Peter and Richard for the quick patch. It works for me.
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https://bugs.launchpad.net/bugs/1840922
Title:
qemu-arm for cortex-m33 aborts with unhandled CPU exception 0x8
Status i
Just posted
https://patchew.org/QEMU/20190822131534.16602-1-peter.mayd...@linaro.org/
which is basically RTH's hack from #8 with a big pile of commentary and
commit message...
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https://
The test for v8m magic return addresses is not too loose -- see the v8M
pseudocode IsReturn(). Architecturally the whole range of these values
is special, even though in fact the exception return address encoding
currently doesn't use all the bits that are reserved in this manner.
I would prefer n
This happens because we're applying a loose test for the v8m magic
exception return address.
There are two possible fixes for this, and perhaps we should
apply both of them:
(1) Unset ARM_FEATURE_M_SECURITY for arm-linux-user.
This would disable the FNC_RETURN_MIN_MAGIC test,
which, unlik
** Changed in: qemu
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1840922
Title:
qemu-arm for cortex-m33 aborts with unhandled CPU exception 0x8
Status in QEMU:
C
** Attachment added: "qemu trace at -O2"
https://bugs.launchpad.net/qemu/+bug/1840922/+attachment/5283732/+files/2822-1.trace.O2
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Title:
** Attachment added: "qemu trace at -Os"
https://bugs.launchpad.net/qemu/+bug/1840922/+attachment/5283731/+files/2822-1.trace.Os
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Title:
** Attachment added: "executable at -O2"
https://bugs.launchpad.net/qemu/+bug/1840922/+attachment/5283730/+files/2822-1.exe.O2
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Title:
q
** Attachment added: "executable at -Os"
https://bugs.launchpad.net/qemu/+bug/1840922/+attachment/5283729/+files/2822-1.exe.Os
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Title:
q
** Attachment added: "asm at -O2"
https://bugs.launchpad.net/qemu/+bug/1840922/+attachment/5283728/+files/2822-1.s.O2
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Title:
qemu-arm f
** Attachment added: "asm at -Os"
https://bugs.launchpad.net/qemu/+bug/1840922/+attachment/5283727/+files/2822-1.s.Os
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Title:
qemu-arm f
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