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| author | Keir Fraser <keir.fraser@citrix.com> | 2008-04-17 10:46:54 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-04-17 10:46:54 +0100 |
| commit | 74a02d2244983e2fb2ade724bddae332d263b04a (patch) | |
| tree | c2feb442ee7bfe825ae105d5f19a097cc055a33f /xen/arch/x86/hvm/emulate.c | |
| parent | f66e0a53eedb87de61c11049c4907058a9f43058 (diff) | |
| download | xen-74a02d2244983e2fb2ade724bddae332d263b04a.tar.gz xen-74a02d2244983e2fb2ade724bddae332d263b04a.tar.bz2 xen-74a02d2244983e2fb2ade724bddae332d263b04a.zip | |
x86_emulate: Emulate MMX movq instructions.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'xen/arch/x86/hvm/emulate.c')
| -rw-r--r-- | xen/arch/x86/hvm/emulate.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/xen/arch/x86/hvm/emulate.c b/xen/arch/x86/hvm/emulate.c index 5e50fc6f61..093bf571d9 100644 --- a/xen/arch/x86/hvm/emulate.c +++ b/xen/arch/x86/hvm/emulate.c @@ -674,16 +674,33 @@ static int hvmemul_inject_sw_interrupt( return X86EMUL_OKAY; } -static void hvmemul_get_fpu( +static int hvmemul_get_fpu( void (*exception_callback)(void *, struct cpu_user_regs *), void *exception_callback_arg, + enum x86_emulate_fpu_type type, struct x86_emulate_ctxt *ctxt) { struct vcpu *curr = current; + + switch ( type ) + { + case X86EMUL_FPU_fpu: + break; + case X86EMUL_FPU_mmx: + if ( !cpu_has_mmx ) + return X86EMUL_UNHANDLEABLE; + break; + default: + return X86EMUL_UNHANDLEABLE; + } + if ( !curr->fpu_dirtied ) hvm_funcs.fpu_dirty_intercept(); + curr->arch.hvm_vcpu.fpu_exception_callback = exception_callback; curr->arch.hvm_vcpu.fpu_exception_callback_arg = exception_callback_arg; + + return X86EMUL_OKAY; } static void hvmemul_put_fpu( |