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| author | Keir Fraser <keir.fraser@citrix.com> | 2008-04-16 16:10:41 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-04-16 16:10:41 +0100 |
| commit | a6836b4fdd40e84ef453a23fc298486049d26ef7 (patch) | |
| tree | 7dc43533c1fffaefc55e4de38e3c3264d0f02037 /xen/arch/x86/x86_emulate.c | |
| parent | 8415719513ba048939d0ded7565cd9cba7c306c4 (diff) | |
| download | xen-a6836b4fdd40e84ef453a23fc298486049d26ef7.tar.gz xen-a6836b4fdd40e84ef453a23fc298486049d26ef7.tar.bz2 xen-a6836b4fdd40e84ef453a23fc298486049d26ef7.zip | |
x86_emulate: Implement a more dynamic interface for handling FPU
exceptions, which will allow emulation stubs to be built dynamically
in a future patch.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'xen/arch/x86/x86_emulate.c')
| -rw-r--r-- | xen/arch/x86/x86_emulate.c | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/xen/arch/x86/x86_emulate.c b/xen/arch/x86/x86_emulate.c index f743650a5d..e69deb1ed8 100644 --- a/xen/arch/x86/x86_emulate.c +++ b/xen/arch/x86/x86_emulate.c @@ -11,23 +11,7 @@ #include <asm/x86_emulate.h> +/* Avoid namespace pollution. */ #undef cmpxchg -#define __emulate_fpu_insn(_op) \ -do{ int _exn; \ - asm volatile ( \ - "1: " _op "\n" \ - "2: \n" \ - ".section .fixup,\"ax\"\n" \ - "3: mov $1,%0\n" \ - " jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " "__FIXUP_ALIGN"\n" \ - " "__FIXUP_WORD" 1b,3b\n" \ - ".previous" \ - : "=r" (_exn) : "0" (0) ); \ - generate_exception_if(_exn, EXC_MF, -1); \ -} while (0) - #include "x86_emulate/x86_emulate.c" |