diff options
Diffstat (limited to 'results/classifier/deepseek-1/output/hypervisor/608107')
| -rw-r--r-- | results/classifier/deepseek-1/output/hypervisor/608107 | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/results/classifier/deepseek-1/output/hypervisor/608107 b/results/classifier/deepseek-1/output/hypervisor/608107 deleted file mode 100644 index b558d5cea..000000000 --- a/results/classifier/deepseek-1/output/hypervisor/608107 +++ /dev/null @@ -1,39 +0,0 @@ - -ppc fails to clear MSR_POW when incurring exception - -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. - - - -Thomas Monjalon wrote: -> From: till <email address hidden> -> -> 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. -> - -This doesn't look right. POW shouldn't even get stored in SRR1. Could -you please redo the patch and make sure that mtmsr masks out MSR_POW? - - -Alex - - -I'm afraid I don't understand. My the problem and fix doesn't address mtmsr at all. -It just makes sure MSR_POW is cleared in MSR when an exception occurs. - -Do you mean MSR_POW should masked from MSR before saving it to SRR1? -That's already taken care of (target-ppc/helper.c:2074 [qemu-0.12.4]). - -As far as I can see, this problem has been fixed by this commit here: -http://git.qemu.org/?p=qemu.git;a=commitdiff;h=41557447d30eeb944e4 -... so I'm setting the status to "Fix released" now. - |