vtophys.cc (7694:de057cccee82) vtophys.cc (8706:b1838faf3bcc)
1/*
2 * Copyright (c) 2010 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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46#include <string>
47
48#include "arch/arm/table_walker.hh"
49#include "arch/arm/tlb.hh"
50#include "arch/arm/vtophys.hh"
51#include "base/chunk_generator.hh"
52#include "base/trace.hh"
53#include "cpu/thread_context.hh"
1/*
2 * Copyright (c) 2010 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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46#include <string>
47
48#include "arch/arm/table_walker.hh"
49#include "arch/arm/tlb.hh"
50#include "arch/arm/vtophys.hh"
51#include "base/chunk_generator.hh"
52#include "base/trace.hh"
53#include "cpu/thread_context.hh"
54#include "mem/vport.hh"
54#include "mem/fs_translating_port_proxy.hh"
55
56using namespace std;
57using namespace ArmISA;
58
59Addr
60ArmISA::vtophys(Addr vaddr)
61{
62 fatal("VTOPHYS: Can't convert vaddr to paddr on ARM without a thread context");

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96 Addr ttbr;
97 if (N == 0 || !mbits(addr, 31, 32-N)) {
98 ttbr = tc->readMiscReg(MISCREG_TTBR0);
99 } else {
100 ttbr = tc->readMiscReg(MISCREG_TTBR1);
101 N = 0;
102 }
103
55
56using namespace std;
57using namespace ArmISA;
58
59Addr
60ArmISA::vtophys(Addr vaddr)
61{
62 fatal("VTOPHYS: Can't convert vaddr to paddr on ARM without a thread context");

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96 Addr ttbr;
97 if (N == 0 || !mbits(addr, 31, 32-N)) {
98 ttbr = tc->readMiscReg(MISCREG_TTBR0);
99 } else {
100 ttbr = tc->readMiscReg(MISCREG_TTBR1);
101 N = 0;
102 }
103
104 FunctionalPort *port = tc->getPhysPort();
104 PortProxy* port = tc->getPhysProxy();
105 Addr l1desc_addr = mbits(ttbr, 31, 14-N) | (bits(addr,31-N,20) << 2);
106
107 TableWalker::L1Descriptor l1desc;
108 l1desc.data = port->read<uint32_t>(l1desc_addr);
109 if (l1desc.type() == TableWalker::L1Descriptor::Ignore ||
110 l1desc.type() == TableWalker::L1Descriptor::Reserved) {
111 warn("Unable to translate virtual address: %#x\n", addr);
112 return -1;

--- 26 unchanged lines hidden --- 		105 Addr l1desc_addr = mbits(ttbr, 31, 14-N) | (bits(addr,31-N,20) << 2);
106
107 TableWalker::L1Descriptor l1desc;
108 l1desc.data = port->read<uint32_t>(l1desc_addr);
109 if (l1desc.type() == TableWalker::L1Descriptor::Ignore ||
110 l1desc.type() == TableWalker::L1Descriptor::Reserved) {
111 warn("Unable to translate virtual address: %#x\n", addr);
112 return -1;

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