BankedArray.cc (10301:44839e8febbd) BankedArray.cc (10314:94b6b28fc968)
1/*
2 * Copyright (c) 2012 Advanced Micro Devices, Inc.
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;

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

43 if (banks != 0) {
44 bankBits = floorLog2(banks);
45 }
46
47 busyBanks.resize(banks);
48}
49
50bool
1/*
2 * Copyright (c) 2012 Advanced Micro Devices, Inc.
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;

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

43 if (banks != 0) {
44 bankBits = floorLog2(banks);
45 }
46
47 busyBanks.resize(banks);
48}
49
50bool
51BankedArray::tryAccess(Index idx)
51BankedArray::tryAccess(int64 idx)
52{
53 if (accessLatency == 0)
54 return true;
55
56 unsigned int bank = mapIndexToBank(idx);
57 assert(bank < banks);
58
59 if (busyBanks[bank].endAccess >= curTick()) {

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

71 busyBanks[bank].startAccess = curTick();
72 busyBanks[bank].endAccess = curTick() +
73 (accessLatency-1) * g_system_ptr->clockPeriod();
74
75 return true;
76}
77
78unsigned int
52{
53 if (accessLatency == 0)
54 return true;
55
56 unsigned int bank = mapIndexToBank(idx);
57 assert(bank < banks);
58
59 if (busyBanks[bank].endAccess >= curTick()) {

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

71 busyBanks[bank].startAccess = curTick();
72 busyBanks[bank].endAccess = curTick() +
73 (accessLatency-1) * g_system_ptr->clockPeriod();
74
75 return true;
76}
77
78unsigned int
79BankedArray::mapIndexToBank(Index idx)
79BankedArray::mapIndexToBank(int64 idx)
80{
81 if (banks == 1) {
82 return 0;
83 }
84 return idx % banks;
85}
80{
81 if (banks == 1) {
82 return 0;
83 }
84 return idx % banks;
85}