1/*
2 * Copyright (c) 2009, 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
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2004-2005 The Regents of The University of Michigan
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Ali Saidi
41 */
42
43/** @file
44 * Implementation of RealView platform.
45 */
46
47#include <deque>
48#include <string>
49#include <vector>
50
51#include "config/the_isa.hh"
52#include "cpu/intr_control.hh"
53#include "dev/arm/base_gic.hh"
54#include "dev/arm/realview.hh"
55#include "dev/terminal.hh"
56#include "sim/system.hh"
57
58using namespace std;
59using namespace TheISA;
60
61RealView::RealView(const Params *p)
| 1/*
2 * Copyright (c) 2009, 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
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2004-2005 The Regents of The University of Michigan
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Ali Saidi
41 */
42
43/** @file
44 * Implementation of RealView platform.
45 */
46
47#include <deque>
48#include <string>
49#include <vector>
50
51#include "config/the_isa.hh"
52#include "cpu/intr_control.hh"
53#include "dev/arm/base_gic.hh"
54#include "dev/arm/realview.hh"
55#include "dev/terminal.hh"
56#include "sim/system.hh"
57
58using namespace std;
59using namespace TheISA;
60
61RealView::RealView(const Params *p)
|
63{}
64
65void
66RealView::initState()
67{
68 Addr junk;
69 bool has_gen_pci_host;
70 has_gen_pci_host = system->kernelSymtab->findAddress("gen_pci_setup", junk);
71
72 if (has_gen_pci_host && !params()->pci_cfg_gen_offsets)
73 warn("Kernel supports generic PCI host but PCI Config offsets "
74 "configured for legacy. Set pci_cfg_gen_offsets to True");
75 if (has_gen_pci_host && !params()->pci_io_base)
76 warn("Kernel supports generic PCI host but PCI IO base is set "
77 "to 0. Set pci_io_base to the start of PCI IO space");
78}
79
80void
81RealView::postConsoleInt()
82{
83 warn_once("Don't know what interrupt to post for console.\n");
84 //panic("Need implementation\n");
85}
86
87void
88RealView::clearConsoleInt()
89{
90 warn_once("Don't know what interrupt to clear for console.\n");
91 //panic("Need implementation\n");
92}
93
94void
95RealView::postPciInt(int line)
96{
97 gic->sendInt(line);
98}
99
100void
101RealView::clearPciInt(int line)
102{
103 gic->clearInt(line);
104}
105
106Addr
107RealView::pciToDma(Addr pciAddr) const
108{
109 return pciAddr;
110}
111
112
113Addr
114RealView::calcPciConfigAddr(int bus, int dev, int func)
115{
116 if (bus != 0)
117 return ULL(-1);
118
119 Addr cfg_offset = 0;
120 if (params()->pci_cfg_gen_offsets)
121 cfg_offset |= ((func & 7) << 12) | ((dev & 0x1f) << 15);
122 else
123 cfg_offset |= ((func & 7) << 16) | ((dev & 0x1f) << 19);
124 return params()->pci_cfg_base | cfg_offset;
125}
126
127Addr
128RealView::calcPciIOAddr(Addr addr)
129{
130 return params()->pci_io_base + addr;
131}
132
133Addr
134RealView::calcPciMemAddr(Addr addr)
135{
136 return addr;
137}
138
139RealView *
140RealViewParams::create()
141{
142 return new RealView(this);
143}
| 63{}
64
65void
66RealView::initState()
67{
68 Addr junk;
69 bool has_gen_pci_host;
70 has_gen_pci_host = system->kernelSymtab->findAddress("gen_pci_setup", junk);
71
72 if (has_gen_pci_host && !params()->pci_cfg_gen_offsets)
73 warn("Kernel supports generic PCI host but PCI Config offsets "
74 "configured for legacy. Set pci_cfg_gen_offsets to True");
75 if (has_gen_pci_host && !params()->pci_io_base)
76 warn("Kernel supports generic PCI host but PCI IO base is set "
77 "to 0. Set pci_io_base to the start of PCI IO space");
78}
79
80void
81RealView::postConsoleInt()
82{
83 warn_once("Don't know what interrupt to post for console.\n");
84 //panic("Need implementation\n");
85}
86
87void
88RealView::clearConsoleInt()
89{
90 warn_once("Don't know what interrupt to clear for console.\n");
91 //panic("Need implementation\n");
92}
93
94void
95RealView::postPciInt(int line)
96{
97 gic->sendInt(line);
98}
99
100void
101RealView::clearPciInt(int line)
102{
103 gic->clearInt(line);
104}
105
106Addr
107RealView::pciToDma(Addr pciAddr) const
108{
109 return pciAddr;
110}
111
112
113Addr
114RealView::calcPciConfigAddr(int bus, int dev, int func)
115{
116 if (bus != 0)
117 return ULL(-1);
118
119 Addr cfg_offset = 0;
120 if (params()->pci_cfg_gen_offsets)
121 cfg_offset |= ((func & 7) << 12) | ((dev & 0x1f) << 15);
122 else
123 cfg_offset |= ((func & 7) << 16) | ((dev & 0x1f) << 19);
124 return params()->pci_cfg_base | cfg_offset;
125}
126
127Addr
128RealView::calcPciIOAddr(Addr addr)
129{
130 return params()->pci_io_base + addr;
131}
132
133Addr
134RealView::calcPciMemAddr(Addr addr)
135{
136 return addr;
137}
138
139RealView *
140RealViewParams::create()
141{
142 return new RealView(this);
143}
|