diff options
Diffstat (limited to 'gitlab/issues_text/target_ppc/host_missing/accel_missing/2662')
| -rw-r--r-- | gitlab/issues_text/target_ppc/host_missing/accel_missing/2662 | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/gitlab/issues_text/target_ppc/host_missing/accel_missing/2662 b/gitlab/issues_text/target_ppc/host_missing/accel_missing/2662 deleted file mode 100644 index 9a7811ad7..000000000 --- a/gitlab/issues_text/target_ppc/host_missing/accel_missing/2662 +++ /dev/null @@ -1,11 +0,0 @@ -powerpc: MSR_ILE bit must not be restored in rfi -Description of problem: -On processors that implement the MSR_ILE bit (that is, G4 and prior), the MSR_ILE bit is not restored by the `rfi` instruction. - -qemu, however, does restore this bit from `srr1`. - -Some ppcel operating systems rely on MSR_ILE not being restored by `rfi`, for example, Windows NT when taking a syscall. -Additional information: -Patch provided: [rfi_msr_ile.patch](/uploads/aa661fc8bcbb47585ff63f8e4ebb38ba/rfi_msr_ile.patch) - -The correct behaviour for G4 and prior is performed for later processors too. Given PPC970 and later have that bit documented as reserved, this should not be a problem. |