tlb.cc (9025:545591665fc7) tlb.cc (9028:f92783bcfd25)
1/*
2 * Copyright (c) 2007-2008 The Hewlett-Packard Development Company
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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264 return new GeneralProtection(0);
265 if (!attr.readable && mode == Read)
266 return new GeneralProtection(0);
267 expandDown = attr.expandDown;
268
269 }
270 Addr base = tc->readMiscRegNoEffect(MISCREG_SEG_BASE(seg));
271 Addr limit = tc->readMiscRegNoEffect(MISCREG_SEG_LIMIT(seg));
1/*
2 * Copyright (c) 2007-2008 The Hewlett-Packard Development Company
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

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

264 return new GeneralProtection(0);
265 if (!attr.readable && mode == Read)
266 return new GeneralProtection(0);
267 expandDown = attr.expandDown;
268
269 }
270 Addr base = tc->readMiscRegNoEffect(MISCREG_SEG_BASE(seg));
271 Addr limit = tc->readMiscRegNoEffect(MISCREG_SEG_LIMIT(seg));
272 // This assumes we're not in 64 bit mode. If we were, the default
273 // address size is 64 bits, overridable to 32.
274 int size = 32;
275 bool sizeOverride = (flags & (AddrSizeFlagBit << FlagShift));
272 bool sizeOverride = (flags & (AddrSizeFlagBit << FlagShift));
276 SegAttr csAttr = tc->readMiscRegNoEffect(MISCREG_CS_ATTR);
277 if ((csAttr.defaultSize && sizeOverride) ||
278 (!csAttr.defaultSize && !sizeOverride))
279 size = 16;
280 Addr offset = bits(vaddr - base, size-1, 0);
273 int logSize = sizeOverride ? m5Reg.altAddr : m5Reg.defAddr;
274 int size = (1 << logSize) * 8;
275 Addr offset = bits(vaddr - base, size - 1, 0);
281 Addr endOffset = offset + req->getSize() - 1;
282 if (expandDown) {
283 DPRINTF(TLB, "Checking an expand down segment.\n");
284 warn_once("Expand down segments are untested.\n");
285 if (offset <= limit || endOffset <= limit)
286 return new GeneralProtection(0);
287 } else {
288 if (offset > limit || endOffset > limit)

--- 166 unchanged lines hidden --- 		276 Addr endOffset = offset + req->getSize() - 1;
277 if (expandDown) {
278 DPRINTF(TLB, "Checking an expand down segment.\n");
279 warn_once("Expand down segments are untested.\n");
280 if (offset <= limit || endOffset <= limit)
281 return new GeneralProtection(0);
282 } else {
283 if (offset > limit || endOffset > limit)

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