msr.hh (8582:dd79a696b91c) msr.hh (9875:5cfad3486991)
1/*
2 * Copyright (c) 2011 Google
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

--- 18 unchanged lines hidden (view full) ---

27 *
28 * Authors: Gabe Black
29 */
30
31#ifndef __ARCH_X86_REG_MSR_HH__
32#define __ARCH_X86_REG_MSR_HH__
33
34#include "arch/x86/regs/misc.hh"
1/*
2 * Copyright (c) 2011 Google
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

--- 18 unchanged lines hidden (view full) ---

27 *
28 * Authors: Gabe Black
29 */
30
31#ifndef __ARCH_X86_REG_MSR_HH__
32#define __ARCH_X86_REG_MSR_HH__
33
34#include "arch/x86/regs/misc.hh"
35#include "base/hashmap.hh"
35#include "base/types.hh"
36
37namespace X86ISA
38{
39
36#include "base/types.hh"
37
38namespace X86ISA
39{
40
41typedef m5::hash_map<Addr, MiscRegIndex> MsrMap;
42
43/**
44 * Map between MSR addresses and their corresponding misc registers.
45 *
46 * @note This map is usually only used when enumeration of supported
47 * MSRs is needed (e.g., in virtualized CPUs). Code that needs to
48 * look-up specific MSRs should use msrAddrToIndex().
49 */
50extern const MsrMap msrMap;
51
52/**
53 * Find and return the misc reg corresponding to an MSR address.
54 *
55 * Look for an MSR (addr) in #msrMap and return the
56 * corresponding misc reg in regNum. The value of regNum is undefined
57 * if the MSR was not found.
58 *
59 * @param regNum misc reg index (out).
60 * @param addr MSR address
61 * @return True if the MSR was found, false otherwise.
62 */
40bool msrAddrToIndex(MiscRegIndex &regNum, Addr addr);
41
42} // namespace X86ISA
43
44#endif // __ARCH_X86_REG_MSR_HH__
63bool msrAddrToIndex(MiscRegIndex &regNum, Addr addr);
64
65} // namespace X86ISA
66
67#endif // __ARCH_X86_REG_MSR_HH__