base_set_assoc.hh (11870:b470020b29de) base_set_assoc.hh (11893:3033b3e6a32a)
1/*
2 * Copyright (c) 2012-2014 ARM Limited
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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101 uint8_t *dataBlks;
102
103 /** The amount to shift the address to get the set. */
104 int setShift;
105 /** The amount to shift the address to get the tag. */
106 int tagShift;
107 /** Mask out all bits that aren't part of the set index. */
108 unsigned setMask;
1/*
2 * Copyright (c) 2012-2014 ARM Limited
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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

101 uint8_t *dataBlks;
102
103 /** The amount to shift the address to get the set. */
104 int setShift;
105 /** The amount to shift the address to get the tag. */
106 int tagShift;
107 /** Mask out all bits that aren't part of the set index. */
108 unsigned setMask;
109 /** Mask out all bits that aren't part of the block offset. */
110 unsigned blkMask;
111
112public:
113
114 /** Convenience typedef. */
115 typedef BaseSetAssocParams Params;
116
117 /**
118 * Construct and initialize this tag store.

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317 * @return The set index of the address.
318 */
319 int extractSet(Addr addr) const override
320 {
321 return ((addr >> setShift) & setMask);
322 }
323
324 /**
109
110public:
111
112 /** Convenience typedef. */
113 typedef BaseSetAssocParams Params;
114
115 /**
116 * Construct and initialize this tag store.

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315 * @return The set index of the address.
316 */
317 int extractSet(Addr addr) const override
318 {
319 return ((addr >> setShift) & setMask);
320 }
321
322 /**
325 * Align an address to the block size.
326 * @param addr the address to align.
327 * @return The block address.
328 */
329 Addr blkAlign(Addr addr) const
330 {
331 return (addr & ~(Addr)blkMask);
332 }
333
334 /**
335 * Regenerate the block address from the tag.
336 * @param tag The tag of the block.
337 * @param set The set of the block.
338 * @return The block address.
339 */
340 Addr regenerateBlkAddr(Addr tag, unsigned set) const override
341 {
342 return ((tag << tagShift) | ((Addr)set << setShift));

--- 38 unchanged lines hidden --- 		323 * Regenerate the block address from the tag.
324 * @param tag The tag of the block.
325 * @param set The set of the block.
326 * @return The block address.
327 */
328 Addr regenerateBlkAddr(Addr tag, unsigned set) const override
329 {
330 return ((tag << tagShift) | ((Addr)set << setShift));

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