vtophys.cc (8768:314eb1e2fa94) | vtophys.cc (8953:488d45aeb672) |
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1/* 2 * Copyright (c) 2007 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 --- 47 unchanged lines hidden (view full) --- 56 { 57 panic("Need access to page tables\n"); 58 } 59 60 Addr 61 vtophys(ThreadContext *tc, Addr vaddr) 62 { 63 Walker *walker = tc->getDTBPtr()->getWalker(); | 1/* 2 * Copyright (c) 2007 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 --- 47 unchanged lines hidden (view full) --- 56 { 57 panic("Need access to page tables\n"); 58 } 59 60 Addr 61 vtophys(ThreadContext *tc, Addr vaddr) 62 { 63 Walker *walker = tc->getDTBPtr()->getWalker(); |
64 Addr size; | 64 unsigned logBytes; |
65 Addr addr = vaddr; | 65 Addr addr = vaddr; |
66 Fault fault = walker->startFunctional(tc, addr, size, BaseTLB::Read); | 66 Fault fault = walker->startFunctional( 67 tc, addr, logBytes, BaseTLB::Read); |
67 if (fault != NoFault) 68 panic("vtophys page walk returned fault\n"); | 68 if (fault != NoFault) 69 panic("vtophys page walk returned fault\n"); |
69 Addr masked_addr = vaddr & (size - 1); | 70 Addr masked_addr = vaddr & mask(logBytes); |
70 Addr paddr = addr | masked_addr; 71 DPRINTF(VtoPhys, "vtophys(%#x) -> %#x\n", vaddr, paddr); 72 return paddr; 73 } 74} | 71 Addr paddr = addr | masked_addr; 72 DPRINTF(VtoPhys, "vtophys(%#x) -> %#x\n", vaddr, paddr); 73 return paddr; 74 } 75} |