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| author | Keir Fraser <keir@xen.org> | 2011-03-08 16:25:02 +0000 |
|---|---|---|
| committer | Keir Fraser <keir@xen.org> | 2011-03-08 16:25:02 +0000 |
| commit | 355cbd253e8363a1f599f3508dca89877836d0c4 (patch) | |
| tree | 72b9b6afd47fa5230c864fde86e36bd25cfa2466 | |
| parent | d1239a7ac1a5a95fb57f3b53c185c537d2b68b25 (diff) | |
| download | xen-355cbd253e8363a1f599f3508dca89877836d0c4.tar.gz xen-355cbd253e8363a1f599f3508dca89877836d0c4.tar.bz2 xen-355cbd253e8363a1f599f3508dca89877836d0c4.zip | |
x86_emulate: FPU 0xda instructions have a 32-bit memory operand, not 64-bit.
Signed-off-by: Keir Fraser <keir@xen.org>
xen-unstable changeset: 22993:22eb31eb688a
xen-unstable date: Tue Mar 08 16:14:55 2011 +0000
| -rw-r--r-- | xen/arch/x86/x86_emulate/x86_emulate.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/xen/arch/x86/x86_emulate/x86_emulate.c b/xen/arch/x86/x86_emulate/x86_emulate.c index 6f4eab11da..112654a7e7 100644 --- a/xen/arch/x86/x86_emulate/x86_emulate.c +++ b/xen/arch/x86/x86_emulate/x86_emulate.c @@ -2667,35 +2667,35 @@ x86_emulate( break; default: fail_if(modrm >= 0xc0); - ea.bytes = 8; + ea.bytes = 4; src = ea; if ( (rc = ops->read(src.mem.seg, src.mem.off, &src.val, src.bytes, ctxt)) != 0 ) goto done; switch ( modrm_reg & 7 ) { - case 0: /* fiadd m64i */ + case 0: /* fiadd m32i */ emulate_fpu_insn_memsrc("fiaddl", src.val); break; - case 1: /* fimul m64i */ + case 1: /* fimul m32i */ emulate_fpu_insn_memsrc("fimull", src.val); break; - case 2: /* ficom m64i */ + case 2: /* ficom m32i */ emulate_fpu_insn_memsrc("ficoml", src.val); break; - case 3: /* ficomp m64i */ + case 3: /* ficomp m32i */ emulate_fpu_insn_memsrc("ficompl", src.val); break; - case 4: /* fisub m64i */ + case 4: /* fisub m32i */ emulate_fpu_insn_memsrc("fisubl", src.val); break; - case 5: /* fisubr m64i */ + case 5: /* fisubr m32i */ emulate_fpu_insn_memsrc("fisubrl", src.val); break; - case 6: /* fidiv m64i */ + case 6: /* fidiv m32i */ emulate_fpu_insn_memsrc("fidivl", src.val); break; - case 7: /* fidivr m64i */ + case 7: /* fidivr m32i */ emulate_fpu_insn_memsrc("fidivrl", src.val); break; default: |