[Qemu-devel] [Bug 608107] [NEW] ppc fails to clear MSR_POW when incurring exception

[till]

Public bug reported:

QEMU VERSION: 0.12.4

According to FreeScale's 'Programming Environments Manual for 32-bit 
Implementations of the PowerPC Architecture' [MPCFPE32B, Rev.3, 9/2005], 
section 6.5, table 6-7, an interrupt resets MSR_POW to zero but qemu-0.12.4 
fails to do so.
Resetting the bit is necessary in order to bring the processor out of 
power-management since otherwise it goes to sleep right away in the exception 
handler, i.e., it is impossible to leave PM-mode.

** Affects: qemu
     Importance: Undecided
         Status: New

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ppc fails to clear MSR_POW when incurring exception
https://bugs.launchpad.net/bugs/608107
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Status in QEMU: New

Bug description:
QEMU VERSION: 0.12.4

According to FreeScale's 'Programming Environments Manual for 32-bit 
Implementations of the PowerPC Architecture' [MPCFPE32B, Rev.3, 9/2005], 
section 6.5, table 6-7, an interrupt resets MSR_POW to zero but qemu-0.12.4 
fails to do so.
Resetting the bit is necessary in order to bring the processor out of 
power-management since otherwise it goes to sleep right away in the exception 
handler, i.e., it is impossible to leave PM-mode.