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| author | Keir Fraser <keir@xen.org> | 2011-03-08 16:14:55 +0000 |
|---|---|---|
| committer | Keir Fraser <keir@xen.org> | 2011-03-08 16:14:55 +0000 |
| commit | 076eae8bef9fcbc18b7541a56b3d897ea16b3865 (patch) | |
| tree | 93ca40efb1ba12a58d056ab24ffce39266857b1f /xen/arch/x86/x86_emulate | |
| parent | cc18b6ba43b803dee141e8fe0bedace66603b64b (diff) | |
| download | xen-076eae8bef9fcbc18b7541a56b3d897ea16b3865.tar.gz xen-076eae8bef9fcbc18b7541a56b3d897ea16b3865.tar.bz2 xen-076eae8bef9fcbc18b7541a56b3d897ea16b3865.zip | |
x86_emulate: FPU 0xda instructions have a 32-bit memory operand, not 64-bit.
Signed-off-by: Keir Fraser <keir@xen.org>
Diffstat (limited to 'xen/arch/x86/x86_emulate')
| -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 da5cbd1d61..84f6c3be61 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: |