| commit | bdd8caba5ed5bb7ee21c9f061597284ffeb280bf | |
| author | Suresh Siddha <suresh.b.siddha@intel.com> | |
| Tue, 29 Jul 2008 17:29:24 +0000 (29 10:29 -0700) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Wed, 30 Jul 2008 17:49:27 +0000 (30 19:49 +0200) | ||
| tree | 036491dc4b283979f462008bc961800847187937 | treesnapshot (tar.gz zip) |
| parent | 9dc89c0f96a6ce6a1b7f9a47dd8bf6f17e2002c9 | commitdiff |
x86, xsave: struct _fpstate extensions to include extended state information
Bytes 464..511 in the current 512byte layout of fxsave/fxrstor
frame, are reserved for SW usage. On cpu's supporting xsave/xrstor, these bytes
are used to extended the fpstate pointer in the sigcontext, which now includes
the extended state information along with fpstate information.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Bytes 464..511 in the current 512byte layout of fxsave/fxrstor
frame, are reserved for SW usage. On cpu's supporting xsave/xrstor, these bytes
are used to extended the fpstate pointer in the sigcontext, which now includes
the extended state information along with fpstate information.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| include/asm-x86/processor.h | diffblobblamehistory | |
| include/asm-x86/sigcontext.h | diffblobblamehistory | |
| include/asm-x86/sigcontext32.h | diffblobblamehistory |