From d46272c774a94a8b2f0849703070dbcd93057f50 Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Mon, 14 Dec 2009 12:26:27 +0100 Subject: [PATCH] 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 Signed-off-by: Anthony Liguori --- target-i386/cpu.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target-i386/cpu.h b/target-i386/cpu.h index afb4da5..f3834b3 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; } -- 2.7.4