/******************************************************************************

 * x86_emulate.c

 * 

 * Wrapper for generic x86 instruction decoder and emulator.

 * 

 * Copyright (c) 2008, Citrix Systems, Inc.

 * 

 * Authors:

 *    Keir Fraser <keir@xen.org>

 */

#include <xen/domain_page.h>

#include <asm/x86_emulate.h>

#include <asm/asm_defns.h> /* mark_regs_dirty() */

#include <asm/processor.h> /* current_cpu_info */

#include <asm/xstate.h>

#include <asm/amd.h> /* cpu_has_amd_erratum() */

/* Avoid namespace pollution. */

#undef cmpxchg

#undef cpuid

#undef wbinvd

#define r(name) r ## name

#define cpu_has_amd_erratum(nr) \

        cpu_has_amd_erratum(&current_cpu_data, AMD_ERRATUM_##nr)

#define get_stub(stb) ({                                        \

    BUILD_BUG_ON(STUB_BUF_SIZE / 2 < MAX_INST_LEN + 1);         \

    ASSERT(!(stb).ptr);                                         \

    (stb).addr = this_cpu(stubs.addr) + STUB_BUF_SIZE / 2;      \

    memset(((stb).ptr = map_domain_page(_mfn(this_cpu(stubs.mfn)))) +  \

           ((stb).addr & ~PAGE_MASK), 0xcc, STUB_BUF_SIZE / 2);        \

})

#define put_stub(stb) ({                                   \

    if ( (stb).ptr )                                       \

    {                                                      \

        unmap_domain_page((stb).ptr);                      \

        (stb).ptr = NULL;                                  \

    }                                                      \

})

#include "x86_emulate/x86_emulate.c"