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| author |   Jan Kiszka <jan.kiszka@siemens.com> | 2009-12-14 12:26:27 +0100 |
|---|---|---|
| committer |   Anthony Liguori <aliguori@us.ibm.com> | 2009-12-19 08:26:20 -0600 |
| commit | a8ea3a357b4f6d53e1f93f23d1368c574084a6f2 (patch) | |
| tree | cf1d85268e74a83ad0582ffcf7d0cc18c6550d0e /target-i386/cpu.h | |
| parent | kvm: x86: Use separate exception_injected CPUState field (diff) | |
| download | qemu-kvm-a8ea3a357b4f6d53e1f93f23d1368c574084a6f2.tar.gz qemu-kvm-a8ea3a357b4f6d53e1f93f23d1368c574084a6f2.tar.bz2 qemu-kvm-a8ea3a357b4f6d53e1f93f23d1368c574084a6f2.zip | |
target-i386: Fix evaluation of DR7 register
hw_breakpoint_type and hw_breakpoint_len used the wrong index multiplier
to extract type and len.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
(cherry picked from commit d46272c774a94a8b2f0849703070dbcd93057f50)
Diffstat (limited to 'target-i386/cpu.h')
| -rw-r--r-- | target-i386/cpu.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/target-i386/cpu.h b/target-i386/cpu.h index afb4da5ea..f3834b307 100644 --- a/target-i386/cpu.h +++ b/target-i386/cpu.h @@ -835,12 +835,12 @@ static inline int hw_breakpoint_enabled(unsigned long dr7, int index) static inline int hw_breakpoint_type(unsigned long dr7, int index) { - return (dr7 >> (DR7_TYPE_SHIFT + (index * 2))) & 3; + return (dr7 >> (DR7_TYPE_SHIFT + (index * 4))) & 3; } static inline int hw_breakpoint_len(unsigned long dr7, int index) { - int len = ((dr7 >> (DR7_LEN_SHIFT + (index * 2))) & 3); + int len = ((dr7 >> (DR7_LEN_SHIFT + (index * 4))) & 3); return (len == 2) ? 8 : len + 1; } |