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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-02-14 19:43:45 +0100 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-02-14 19:43:45 +0100 |
| commit | 84e877b23386eead61d5daaa9043282e32c3170f (patch) | |
| tree | 03ad90f89a80245a28165f29c36e80f0d419ca49 /xen/include/asm-x86/system.h | |
| parent | f25330e8694f5507e6b922641ef553303a3c0976 (diff) | |
| download | xen-84e877b23386eead61d5daaa9043282e32c3170f.tar.gz xen-84e877b23386eead61d5daaa9043282e32c3170f.tar.bz2 xen-84e877b23386eead61d5daaa9043282e32c3170f.zip | |
Fix segment-register dumping in show_registers().
Signed-off-by: Keir Fraser <keir@xensource.com>
Diffstat (limited to 'xen/include/asm-x86/system.h')
| -rw-r--r-- | xen/include/asm-x86/system.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/xen/include/asm-x86/system.h b/xen/include/asm-x86/system.h index cb5f64d001..7e6b95a050 100644 --- a/xen/include/asm-x86/system.h +++ b/xen/include/asm-x86/system.h @@ -5,6 +5,12 @@ #include <xen/types.h> #include <asm/bitops.h> +#define read_segment_register(name) \ +({ u16 __sel; \ + __asm__ __volatile__ ( "movw %%" STR(name) ",%0" : "=r" (__sel) ); \ + __sel; \ +}) + /* Clear and set 'TS' bit respectively */ #define clts() __asm__ __volatile__ ("clts") #define stts() write_cr0(X86_CR0_TS|read_cr0()) |