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hw: Fix qemu_allocate_irqs() leaks
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1 /*
2  * QEMU model of the Canon DIGIC boards (cameras indeed :).
3  *
4  * Copyright (C) 2013 Antony Pavlov <[email protected]>
5  *
6  * This model is based on reverse engineering efforts
7  * made by CHDK (http://chdk.wikia.com) and
8  * Magic Lantern (http://www.magiclantern.fm) projects
9  * contributors.
10  *
11  * See docs here:
12  *   http://magiclantern.wikia.com/wiki/Register_Map
13  *
14  * This program is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU General Public License as published by
16  * the Free Software Foundation; either version 2 of the License, or
17  * (at your option) any later version.
18  *
19  * This program is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22  * GNU General Public License for more details.
23  *
24  */
25
26 #include "hw/boards.h"
27 #include "exec/address-spaces.h"
28 #include "qemu/error-report.h"
29 #include "hw/arm/digic.h"
30 #include "hw/block/flash.h"
31 #include "hw/loader.h"
32 #include "sysemu/sysemu.h"
33 #include "sysemu/qtest.h"
34
35 #define DIGIC4_ROM0_BASE      0xf0000000
36 #define DIGIC4_ROM1_BASE      0xf8000000
37 #define DIGIC4_ROM_MAX_SIZE   0x08000000
38
39 typedef struct DigicBoardState {
40     DigicState *digic;
41     MemoryRegion ram;
42 } DigicBoardState;
43
44 typedef struct DigicBoard {
45     hwaddr ram_size;
46     void (*add_rom0)(DigicBoardState *, hwaddr, const char *);
47     const char *rom0_def_filename;
48     void (*add_rom1)(DigicBoardState *, hwaddr, const char *);
49     const char *rom1_def_filename;
50 } DigicBoard;
51
52 static void digic4_board_setup_ram(DigicBoardState *s, hwaddr ram_size)
53 {
54     memory_region_init_ram(&s->ram, NULL, "ram", ram_size);
55     memory_region_add_subregion(get_system_memory(), 0, &s->ram);
56     vmstate_register_ram_global(&s->ram);
57 }
58
59 static void digic4_board_init(DigicBoard *board)
60 {
61     Error *err = NULL;
62
63     DigicBoardState *s = g_new(DigicBoardState, 1);
64
65     s->digic = DIGIC(object_new(TYPE_DIGIC));
66     object_property_set_bool(OBJECT(s->digic), true, "realized", &err);
67     if (err != NULL) {
68         error_report("Couldn't realize DIGIC SoC: %s\n",
69                      error_get_pretty(err));
70         exit(1);
71     }
72
73     digic4_board_setup_ram(s, board->ram_size);
74
75     if (board->add_rom0) {
76         board->add_rom0(s, DIGIC4_ROM0_BASE, board->rom0_def_filename);
77     }
78
79     if (board->add_rom1) {
80         board->add_rom1(s, DIGIC4_ROM1_BASE, board->rom1_def_filename);
81     }
82 }
83
84 static void digic_load_rom(DigicBoardState *s, hwaddr addr,
85                            hwaddr max_size, const char *def_filename)
86 {
87     target_long rom_size;
88     const char *filename;
89
90     if (qtest_enabled()) {
91         /* qtest runs no code so don't attempt a ROM load which
92          * could fail and result in a spurious test failure.
93          */
94         return;
95     }
96
97     if (bios_name) {
98         filename = bios_name;
99     } else {
100         filename = def_filename;
101     }
102
103     if (filename) {
104         char *fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, filename);
105
106         if (!fn) {
107             error_report("Couldn't find rom image '%s'.\n", filename);
108             exit(1);
109         }
110
111         rom_size = load_image_targphys(fn, addr, max_size);
112         if (rom_size < 0 || rom_size > max_size) {
113             error_report("Couldn't load rom image '%s'.\n", filename);
114             exit(1);
115         }
116     }
117 }
118
119 /*
120  * Samsung K8P3215UQB
121  * 64M Bit (4Mx16) Page Mode / Multi-Bank NOR Flash Memory
122  */
123 static void digic4_add_k8p3215uqb_rom(DigicBoardState *s, hwaddr addr,
124                                       const char *def_filename)
125 {
126 #define FLASH_K8P3215UQB_SIZE (4 * 1024 * 1024)
127 #define FLASH_K8P3215UQB_SECTOR_SIZE (64 * 1024)
128
129     pflash_cfi02_register(addr, NULL, "pflash", FLASH_K8P3215UQB_SIZE,
130                           NULL, FLASH_K8P3215UQB_SECTOR_SIZE,
131                           FLASH_K8P3215UQB_SIZE / FLASH_K8P3215UQB_SECTOR_SIZE,
132                           DIGIC4_ROM_MAX_SIZE / FLASH_K8P3215UQB_SIZE,
133                           4,
134                           0x00EC, 0x007E, 0x0003, 0x0001,
135                           0x0555, 0x2aa, 0);
136
137     digic_load_rom(s, addr, FLASH_K8P3215UQB_SIZE, def_filename);
138 }
139
140 static DigicBoard digic4_board_canon_a1100 = {
141     .ram_size = 64 * 1024 * 1024,
142     .add_rom1 = digic4_add_k8p3215uqb_rom,
143     .rom1_def_filename = "canon-a1100-rom1.bin",
144 };
145
146 static void canon_a1100_init(MachineState *machine)
147 {
148     digic4_board_init(&digic4_board_canon_a1100);
149 }
150
151 static QEMUMachine canon_a1100 = {
152     .name = "canon-a1100",
153     .desc = "Canon PowerShot A1100 IS",
154     .init = &canon_a1100_init,
155 };
156
157 static void digic_register_machines(void)
158 {
159     qemu_register_machine(&canon_a1100);
160 }
161
162 machine_init(digic_register_machines)
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