root / hw / fw_cfg.c @ 00914b7d
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1 | 3cce6243 | blueswir1 | /*
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2 | 3cce6243 | blueswir1 | * QEMU Firmware configuration device emulation
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3 | 3cce6243 | blueswir1 | *
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4 | 3cce6243 | blueswir1 | * Copyright (c) 2008 Gleb Natapov
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5 | 3cce6243 | blueswir1 | *
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6 | 3cce6243 | blueswir1 | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 3cce6243 | blueswir1 | * of this software and associated documentation files (the "Software"), to deal
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8 | 3cce6243 | blueswir1 | * in the Software without restriction, including without limitation the rights
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9 | 3cce6243 | blueswir1 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 3cce6243 | blueswir1 | * copies of the Software, and to permit persons to whom the Software is
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11 | 3cce6243 | blueswir1 | * furnished to do so, subject to the following conditions:
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12 | 3cce6243 | blueswir1 | *
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13 | 3cce6243 | blueswir1 | * The above copyright notice and this permission notice shall be included in
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14 | 3cce6243 | blueswir1 | * all copies or substantial portions of the Software.
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15 | 3cce6243 | blueswir1 | *
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16 | 3cce6243 | blueswir1 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 3cce6243 | blueswir1 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 3cce6243 | blueswir1 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 3cce6243 | blueswir1 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 3cce6243 | blueswir1 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 3cce6243 | blueswir1 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 3cce6243 | blueswir1 | * THE SOFTWARE.
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23 | 3cce6243 | blueswir1 | */
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24 | 3cce6243 | blueswir1 | #include "hw.h" |
25 | 084a197a | blueswir1 | #include "sysemu.h" |
26 | 3cce6243 | blueswir1 | #include "isa.h" |
27 | 3cce6243 | blueswir1 | #include "fw_cfg.h" |
28 | 3a5c16fc | Blue Swirl | #include "sysbus.h" |
29 | 3cce6243 | blueswir1 | |
30 | 3cce6243 | blueswir1 | /* debug firmware config */
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31 | 3cce6243 | blueswir1 | //#define DEBUG_FW_CFG
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32 | 3cce6243 | blueswir1 | |
33 | 3cce6243 | blueswir1 | #ifdef DEBUG_FW_CFG
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34 | 001faf32 | Blue Swirl | #define FW_CFG_DPRINTF(fmt, ...) \
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35 | 001faf32 | Blue Swirl | do { printf("FW_CFG: " fmt , ## __VA_ARGS__); } while (0) |
36 | 3cce6243 | blueswir1 | #else
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37 | 001faf32 | Blue Swirl | #define FW_CFG_DPRINTF(fmt, ...)
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38 | 3cce6243 | blueswir1 | #endif
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39 | 3cce6243 | blueswir1 | |
40 | 3cce6243 | blueswir1 | #define FW_CFG_SIZE 2 |
41 | 3cce6243 | blueswir1 | |
42 | b96ae2da | Blue Swirl | typedef struct FWCfgEntry { |
43 | ff06108b | Juan Quintela | uint32_t len; |
44 | 3cce6243 | blueswir1 | uint8_t *data; |
45 | 3cce6243 | blueswir1 | void *callback_opaque;
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46 | 3cce6243 | blueswir1 | FWCfgCallback callback; |
47 | 3cce6243 | blueswir1 | } FWCfgEntry; |
48 | 3cce6243 | blueswir1 | |
49 | b96ae2da | Blue Swirl | struct FWCfgState {
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50 | 3a5c16fc | Blue Swirl | SysBusDevice busdev; |
51 | 3a5c16fc | Blue Swirl | uint32_t ctl_iobase, data_iobase; |
52 | 3cce6243 | blueswir1 | FWCfgEntry entries[2][FW_CFG_MAX_ENTRY];
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53 | abe147e0 | Gerd Hoffmann | FWCfgFiles *files; |
54 | 3cce6243 | blueswir1 | uint16_t cur_entry; |
55 | ff06108b | Juan Quintela | uint32_t cur_offset; |
56 | 962630f2 | Gleb Natapov | Notifier machine_ready; |
57 | c2b5bda4 | Gerd Hoffmann | }; |
58 | 3cce6243 | blueswir1 | |
59 | 3cce6243 | blueswir1 | static void fw_cfg_write(FWCfgState *s, uint8_t value) |
60 | 3cce6243 | blueswir1 | { |
61 | 3cce6243 | blueswir1 | int arch = !!(s->cur_entry & FW_CFG_ARCH_LOCAL);
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62 | 3cce6243 | blueswir1 | FWCfgEntry *e = &s->entries[arch][s->cur_entry & FW_CFG_ENTRY_MASK]; |
63 | 3cce6243 | blueswir1 | |
64 | 3cce6243 | blueswir1 | FW_CFG_DPRINTF("write %d\n", value);
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65 | 3cce6243 | blueswir1 | |
66 | 3cce6243 | blueswir1 | if (s->cur_entry & FW_CFG_WRITE_CHANNEL && s->cur_offset < e->len) {
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67 | 3cce6243 | blueswir1 | e->data[s->cur_offset++] = value; |
68 | 3cce6243 | blueswir1 | if (s->cur_offset == e->len) {
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69 | 3cce6243 | blueswir1 | e->callback(e->callback_opaque, e->data); |
70 | 3cce6243 | blueswir1 | s->cur_offset = 0;
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71 | 3cce6243 | blueswir1 | } |
72 | 3cce6243 | blueswir1 | } |
73 | 3cce6243 | blueswir1 | } |
74 | 3cce6243 | blueswir1 | |
75 | 3cce6243 | blueswir1 | static int fw_cfg_select(FWCfgState *s, uint16_t key) |
76 | 3cce6243 | blueswir1 | { |
77 | 3cce6243 | blueswir1 | int ret;
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78 | 3cce6243 | blueswir1 | |
79 | 3cce6243 | blueswir1 | s->cur_offset = 0;
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80 | 3cce6243 | blueswir1 | if ((key & FW_CFG_ENTRY_MASK) >= FW_CFG_MAX_ENTRY) {
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81 | 3cce6243 | blueswir1 | s->cur_entry = FW_CFG_INVALID; |
82 | 3cce6243 | blueswir1 | ret = 0;
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83 | 3cce6243 | blueswir1 | } else {
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84 | 3cce6243 | blueswir1 | s->cur_entry = key; |
85 | 3cce6243 | blueswir1 | ret = 1;
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86 | 3cce6243 | blueswir1 | } |
87 | 3cce6243 | blueswir1 | |
88 | 3cce6243 | blueswir1 | FW_CFG_DPRINTF("select key %d (%sfound)\n", key, ret ? "" : "not "); |
89 | 3cce6243 | blueswir1 | |
90 | 3cce6243 | blueswir1 | return ret;
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91 | 3cce6243 | blueswir1 | } |
92 | 3cce6243 | blueswir1 | |
93 | 3cce6243 | blueswir1 | static uint8_t fw_cfg_read(FWCfgState *s)
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94 | 3cce6243 | blueswir1 | { |
95 | 3cce6243 | blueswir1 | int arch = !!(s->cur_entry & FW_CFG_ARCH_LOCAL);
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96 | 3cce6243 | blueswir1 | FWCfgEntry *e = &s->entries[arch][s->cur_entry & FW_CFG_ENTRY_MASK]; |
97 | 3cce6243 | blueswir1 | uint8_t ret; |
98 | 3cce6243 | blueswir1 | |
99 | 3cce6243 | blueswir1 | if (s->cur_entry == FW_CFG_INVALID || !e->data || s->cur_offset >= e->len)
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100 | 3cce6243 | blueswir1 | ret = 0;
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101 | 3cce6243 | blueswir1 | else
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102 | 3cce6243 | blueswir1 | ret = e->data[s->cur_offset++]; |
103 | 3cce6243 | blueswir1 | |
104 | 3cce6243 | blueswir1 | FW_CFG_DPRINTF("read %d\n", ret);
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105 | 3cce6243 | blueswir1 | |
106 | 3cce6243 | blueswir1 | return ret;
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107 | 3cce6243 | blueswir1 | } |
108 | 3cce6243 | blueswir1 | |
109 | 3cce6243 | blueswir1 | static uint32_t fw_cfg_io_readb(void *opaque, uint32_t addr) |
110 | 3cce6243 | blueswir1 | { |
111 | 3cce6243 | blueswir1 | return fw_cfg_read(opaque);
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112 | 3cce6243 | blueswir1 | } |
113 | 3cce6243 | blueswir1 | |
114 | 3cce6243 | blueswir1 | static void fw_cfg_io_writeb(void *opaque, uint32_t addr, uint32_t value) |
115 | 3cce6243 | blueswir1 | { |
116 | 7442511c | blueswir1 | fw_cfg_write(opaque, (uint8_t)value); |
117 | 3cce6243 | blueswir1 | } |
118 | 3cce6243 | blueswir1 | |
119 | 3cce6243 | blueswir1 | static void fw_cfg_io_writew(void *opaque, uint32_t addr, uint32_t value) |
120 | 3cce6243 | blueswir1 | { |
121 | 3cce6243 | blueswir1 | fw_cfg_select(opaque, (uint16_t)value); |
122 | 3cce6243 | blueswir1 | } |
123 | 3cce6243 | blueswir1 | |
124 | c227f099 | Anthony Liguori | static uint32_t fw_cfg_mem_readb(void *opaque, target_phys_addr_t addr) |
125 | 3cce6243 | blueswir1 | { |
126 | 3cce6243 | blueswir1 | return fw_cfg_read(opaque);
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127 | 3cce6243 | blueswir1 | } |
128 | 3cce6243 | blueswir1 | |
129 | c227f099 | Anthony Liguori | static void fw_cfg_mem_writeb(void *opaque, target_phys_addr_t addr, |
130 | 3cce6243 | blueswir1 | uint32_t value) |
131 | 3cce6243 | blueswir1 | { |
132 | 7442511c | blueswir1 | fw_cfg_write(opaque, (uint8_t)value); |
133 | 3cce6243 | blueswir1 | } |
134 | 3cce6243 | blueswir1 | |
135 | c227f099 | Anthony Liguori | static void fw_cfg_mem_writew(void *opaque, target_phys_addr_t addr, |
136 | 3cce6243 | blueswir1 | uint32_t value) |
137 | 3cce6243 | blueswir1 | { |
138 | 3cce6243 | blueswir1 | fw_cfg_select(opaque, (uint16_t)value); |
139 | 3cce6243 | blueswir1 | } |
140 | 3cce6243 | blueswir1 | |
141 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const fw_cfg_ctl_mem_read[3] = { |
142 | 3cce6243 | blueswir1 | NULL,
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143 | 3cce6243 | blueswir1 | NULL,
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144 | 3cce6243 | blueswir1 | NULL,
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145 | 3cce6243 | blueswir1 | }; |
146 | 3cce6243 | blueswir1 | |
147 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const fw_cfg_ctl_mem_write[3] = { |
148 | 3cce6243 | blueswir1 | NULL,
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149 | 3cce6243 | blueswir1 | fw_cfg_mem_writew, |
150 | 3cce6243 | blueswir1 | NULL,
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151 | 3cce6243 | blueswir1 | }; |
152 | 3cce6243 | blueswir1 | |
153 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const fw_cfg_data_mem_read[3] = { |
154 | 3cce6243 | blueswir1 | fw_cfg_mem_readb, |
155 | 3cce6243 | blueswir1 | NULL,
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156 | 3cce6243 | blueswir1 | NULL,
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157 | 3cce6243 | blueswir1 | }; |
158 | 3cce6243 | blueswir1 | |
159 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const fw_cfg_data_mem_write[3] = { |
160 | 3cce6243 | blueswir1 | fw_cfg_mem_writeb, |
161 | 3cce6243 | blueswir1 | NULL,
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162 | 3cce6243 | blueswir1 | NULL,
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163 | 3cce6243 | blueswir1 | }; |
164 | 3cce6243 | blueswir1 | |
165 | 3a5c16fc | Blue Swirl | static void fw_cfg_reset(DeviceState *d) |
166 | 3cce6243 | blueswir1 | { |
167 | 3a5c16fc | Blue Swirl | FWCfgState *s = DO_UPCAST(FWCfgState, busdev.qdev, d); |
168 | 3cce6243 | blueswir1 | |
169 | 3cce6243 | blueswir1 | fw_cfg_select(s, 0);
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170 | 3cce6243 | blueswir1 | } |
171 | 3cce6243 | blueswir1 | |
172 | ff06108b | Juan Quintela | /* Save restore 32 bit int as uint16_t
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173 | ff06108b | Juan Quintela | This is a Big hack, but it is how the old state did it.
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174 | ff06108b | Juan Quintela | Or we broke compatibility in the state, or we can't use struct tm
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175 | ff06108b | Juan Quintela | */
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176 | ff06108b | Juan Quintela | |
177 | ff06108b | Juan Quintela | static int get_uint32_as_uint16(QEMUFile *f, void *pv, size_t size) |
178 | ff06108b | Juan Quintela | { |
179 | ff06108b | Juan Quintela | uint32_t *v = pv; |
180 | ff06108b | Juan Quintela | *v = qemu_get_be16(f); |
181 | ff06108b | Juan Quintela | return 0; |
182 | ff06108b | Juan Quintela | } |
183 | ff06108b | Juan Quintela | |
184 | ff06108b | Juan Quintela | static void put_unused(QEMUFile *f, void *pv, size_t size) |
185 | ff06108b | Juan Quintela | { |
186 | 66c80e75 | Vagrant Cascadian | fprintf(stderr, "uint32_as_uint16 is only used for backward compatibility.\n");
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187 | ff06108b | Juan Quintela | fprintf(stderr, "This functions shouldn't be called.\n");
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188 | ff06108b | Juan Quintela | } |
189 | ff06108b | Juan Quintela | |
190 | d05ac8fa | Blue Swirl | static const VMStateInfo vmstate_hack_uint32_as_uint16 = { |
191 | ff06108b | Juan Quintela | .name = "int32_as_uint16",
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192 | ff06108b | Juan Quintela | .get = get_uint32_as_uint16, |
193 | ff06108b | Juan Quintela | .put = put_unused, |
194 | ff06108b | Juan Quintela | }; |
195 | ff06108b | Juan Quintela | |
196 | ff06108b | Juan Quintela | #define VMSTATE_UINT16_HACK(_f, _s, _t) \
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197 | ff06108b | Juan Quintela | VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_hack_uint32_as_uint16, uint32_t)
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198 | ff06108b | Juan Quintela | |
199 | ff06108b | Juan Quintela | |
200 | ff06108b | Juan Quintela | static bool is_version_1(void *opaque, int version_id) |
201 | ff06108b | Juan Quintela | { |
202 | ff06108b | Juan Quintela | return version_id == 1; |
203 | ff06108b | Juan Quintela | } |
204 | ff06108b | Juan Quintela | |
205 | 7d2edd40 | Juan Quintela | static const VMStateDescription vmstate_fw_cfg = { |
206 | 7d2edd40 | Juan Quintela | .name = "fw_cfg",
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207 | ff06108b | Juan Quintela | .version_id = 2,
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208 | 7d2edd40 | Juan Quintela | .minimum_version_id = 1,
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209 | 7d2edd40 | Juan Quintela | .minimum_version_id_old = 1,
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210 | 7d2edd40 | Juan Quintela | .fields = (VMStateField []) { |
211 | 7d2edd40 | Juan Quintela | VMSTATE_UINT16(cur_entry, FWCfgState), |
212 | ff06108b | Juan Quintela | VMSTATE_UINT16_HACK(cur_offset, FWCfgState, is_version_1), |
213 | ff06108b | Juan Quintela | VMSTATE_UINT32_V(cur_offset, FWCfgState, 2),
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214 | 7d2edd40 | Juan Quintela | VMSTATE_END_OF_LIST() |
215 | 7d2edd40 | Juan Quintela | } |
216 | 7d2edd40 | Juan Quintela | }; |
217 | 3cce6243 | blueswir1 | |
218 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_bytes(FWCfgState *s, uint16_t key, uint8_t *data, uint32_t len)
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219 | 3cce6243 | blueswir1 | { |
220 | 3cce6243 | blueswir1 | int arch = !!(key & FW_CFG_ARCH_LOCAL);
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221 | 3cce6243 | blueswir1 | |
222 | 3cce6243 | blueswir1 | key &= FW_CFG_ENTRY_MASK; |
223 | 3cce6243 | blueswir1 | |
224 | 3cce6243 | blueswir1 | if (key >= FW_CFG_MAX_ENTRY)
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225 | 3cce6243 | blueswir1 | return 0; |
226 | 3cce6243 | blueswir1 | |
227 | 3cce6243 | blueswir1 | s->entries[arch][key].data = data; |
228 | 3cce6243 | blueswir1 | s->entries[arch][key].len = len; |
229 | 3cce6243 | blueswir1 | |
230 | 3cce6243 | blueswir1 | return 1; |
231 | 3cce6243 | blueswir1 | } |
232 | 3cce6243 | blueswir1 | |
233 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value)
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234 | 3cce6243 | blueswir1 | { |
235 | 3cce6243 | blueswir1 | uint16_t *copy; |
236 | 3cce6243 | blueswir1 | |
237 | 3cce6243 | blueswir1 | copy = qemu_malloc(sizeof(value));
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238 | 3cce6243 | blueswir1 | *copy = cpu_to_le16(value); |
239 | c2b5bda4 | Gerd Hoffmann | return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value)); |
240 | 3cce6243 | blueswir1 | } |
241 | 3cce6243 | blueswir1 | |
242 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value)
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243 | 3cce6243 | blueswir1 | { |
244 | 3cce6243 | blueswir1 | uint32_t *copy; |
245 | 3cce6243 | blueswir1 | |
246 | 3cce6243 | blueswir1 | copy = qemu_malloc(sizeof(value));
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247 | 3cce6243 | blueswir1 | *copy = cpu_to_le32(value); |
248 | c2b5bda4 | Gerd Hoffmann | return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value)); |
249 | 3cce6243 | blueswir1 | } |
250 | 3cce6243 | blueswir1 | |
251 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value)
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252 | 3cce6243 | blueswir1 | { |
253 | 3cce6243 | blueswir1 | uint64_t *copy; |
254 | 3cce6243 | blueswir1 | |
255 | 3cce6243 | blueswir1 | copy = qemu_malloc(sizeof(value));
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256 | 3cce6243 | blueswir1 | *copy = cpu_to_le64(value); |
257 | c2b5bda4 | Gerd Hoffmann | return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value)); |
258 | 3cce6243 | blueswir1 | } |
259 | 3cce6243 | blueswir1 | |
260 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_callback(FWCfgState *s, uint16_t key, FWCfgCallback callback,
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261 | 3cce6243 | blueswir1 | void *callback_opaque, uint8_t *data, size_t len)
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262 | 3cce6243 | blueswir1 | { |
263 | 3cce6243 | blueswir1 | int arch = !!(key & FW_CFG_ARCH_LOCAL);
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264 | 3cce6243 | blueswir1 | |
265 | 85df0de4 | blueswir1 | if (!(key & FW_CFG_WRITE_CHANNEL))
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266 | 85df0de4 | blueswir1 | return 0; |
267 | 85df0de4 | blueswir1 | |
268 | 3cce6243 | blueswir1 | key &= FW_CFG_ENTRY_MASK; |
269 | 3cce6243 | blueswir1 | |
270 | 85df0de4 | blueswir1 | if (key >= FW_CFG_MAX_ENTRY || len > 65535) |
271 | 3cce6243 | blueswir1 | return 0; |
272 | 3cce6243 | blueswir1 | |
273 | 3cce6243 | blueswir1 | s->entries[arch][key].data = data; |
274 | 3cce6243 | blueswir1 | s->entries[arch][key].len = len; |
275 | 3cce6243 | blueswir1 | s->entries[arch][key].callback_opaque = callback_opaque; |
276 | 3cce6243 | blueswir1 | s->entries[arch][key].callback = callback; |
277 | 3cce6243 | blueswir1 | |
278 | 3cce6243 | blueswir1 | return 1; |
279 | 3cce6243 | blueswir1 | } |
280 | 3cce6243 | blueswir1 | |
281 | de1f34cb | Gleb Natapov | int fw_cfg_add_file(FWCfgState *s, const char *filename, uint8_t *data, |
282 | de1f34cb | Gleb Natapov | uint32_t len) |
283 | abe147e0 | Gerd Hoffmann | { |
284 | de9352bc | Gerd Hoffmann | int i, index;
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285 | abe147e0 | Gerd Hoffmann | |
286 | abe147e0 | Gerd Hoffmann | if (!s->files) {
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287 | abe147e0 | Gerd Hoffmann | int dsize = sizeof(uint32_t) + sizeof(FWCfgFile) * FW_CFG_FILE_SLOTS; |
288 | abe147e0 | Gerd Hoffmann | s->files = qemu_mallocz(dsize); |
289 | abe147e0 | Gerd Hoffmann | fw_cfg_add_bytes(s, FW_CFG_FILE_DIR, (uint8_t*)s->files, dsize); |
290 | abe147e0 | Gerd Hoffmann | } |
291 | abe147e0 | Gerd Hoffmann | |
292 | abe147e0 | Gerd Hoffmann | index = be32_to_cpu(s->files->count); |
293 | abe147e0 | Gerd Hoffmann | if (index == FW_CFG_FILE_SLOTS) {
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294 | abe147e0 | Gerd Hoffmann | fprintf(stderr, "fw_cfg: out of file slots\n");
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295 | abe147e0 | Gerd Hoffmann | return 0; |
296 | abe147e0 | Gerd Hoffmann | } |
297 | abe147e0 | Gerd Hoffmann | |
298 | abe147e0 | Gerd Hoffmann | fw_cfg_add_bytes(s, FW_CFG_FILE_FIRST + index, data, len); |
299 | abe147e0 | Gerd Hoffmann | |
300 | de1f34cb | Gleb Natapov | pstrcpy(s->files->f[index].name, sizeof(s->files->f[index].name),
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301 | de1f34cb | Gleb Natapov | filename); |
302 | de9352bc | Gerd Hoffmann | for (i = 0; i < index; i++) { |
303 | de9352bc | Gerd Hoffmann | if (strcmp(s->files->f[index].name, s->files->f[i].name) == 0) { |
304 | de9352bc | Gerd Hoffmann | FW_CFG_DPRINTF("%s: skip duplicate: %s\n", __FUNCTION__,
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305 | de9352bc | Gerd Hoffmann | s->files->f[index].name); |
306 | de9352bc | Gerd Hoffmann | return 1; |
307 | de9352bc | Gerd Hoffmann | } |
308 | abe147e0 | Gerd Hoffmann | } |
309 | de9352bc | Gerd Hoffmann | |
310 | abe147e0 | Gerd Hoffmann | s->files->f[index].size = cpu_to_be32(len); |
311 | abe147e0 | Gerd Hoffmann | s->files->f[index].select = cpu_to_be16(FW_CFG_FILE_FIRST + index); |
312 | abe147e0 | Gerd Hoffmann | FW_CFG_DPRINTF("%s: #%d: %s (%d bytes)\n", __FUNCTION__,
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313 | abe147e0 | Gerd Hoffmann | index, s->files->f[index].name, len); |
314 | abe147e0 | Gerd Hoffmann | |
315 | abe147e0 | Gerd Hoffmann | s->files->count = cpu_to_be32(index+1);
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316 | abe147e0 | Gerd Hoffmann | return 1; |
317 | abe147e0 | Gerd Hoffmann | } |
318 | abe147e0 | Gerd Hoffmann | |
319 | 962630f2 | Gleb Natapov | static void fw_cfg_machine_ready(struct Notifier* n) |
320 | 962630f2 | Gleb Natapov | { |
321 | 962630f2 | Gleb Natapov | uint32_t len; |
322 | 962630f2 | Gleb Natapov | FWCfgState *s = container_of(n, FWCfgState, machine_ready); |
323 | 962630f2 | Gleb Natapov | char *bootindex = get_boot_devices_list(&len);
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324 | 962630f2 | Gleb Natapov | |
325 | 962630f2 | Gleb Natapov | fw_cfg_add_file(s, "bootorder", (uint8_t*)bootindex, len);
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326 | 962630f2 | Gleb Natapov | } |
327 | 962630f2 | Gleb Natapov | |
328 | c2b5bda4 | Gerd Hoffmann | FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port, |
329 | c2b5bda4 | Gerd Hoffmann | target_phys_addr_t ctl_addr, target_phys_addr_t data_addr) |
330 | 3cce6243 | blueswir1 | { |
331 | 3a5c16fc | Blue Swirl | DeviceState *dev; |
332 | 3a5c16fc | Blue Swirl | SysBusDevice *d; |
333 | 3cce6243 | blueswir1 | FWCfgState *s; |
334 | 3cce6243 | blueswir1 | |
335 | 3a5c16fc | Blue Swirl | dev = qdev_create(NULL, "fw_cfg"); |
336 | 3a5c16fc | Blue Swirl | qdev_prop_set_uint32(dev, "ctl_iobase", ctl_port);
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337 | 3a5c16fc | Blue Swirl | qdev_prop_set_uint32(dev, "data_iobase", data_port);
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338 | 3a5c16fc | Blue Swirl | qdev_init_nofail(dev); |
339 | 3a5c16fc | Blue Swirl | d = sysbus_from_qdev(dev); |
340 | 3a5c16fc | Blue Swirl | |
341 | 3a5c16fc | Blue Swirl | s = DO_UPCAST(FWCfgState, busdev.qdev, dev); |
342 | 3cce6243 | blueswir1 | |
343 | 3cce6243 | blueswir1 | if (ctl_addr) {
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344 | 3a5c16fc | Blue Swirl | sysbus_mmio_map(d, 0, ctl_addr);
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345 | 3cce6243 | blueswir1 | } |
346 | 3cce6243 | blueswir1 | if (data_addr) {
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347 | 3a5c16fc | Blue Swirl | sysbus_mmio_map(d, 1, data_addr);
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348 | 3cce6243 | blueswir1 | } |
349 | 3cce6243 | blueswir1 | fw_cfg_add_bytes(s, FW_CFG_SIGNATURE, (uint8_t *)"QEMU", 4); |
350 | 084a197a | blueswir1 | fw_cfg_add_bytes(s, FW_CFG_UUID, qemu_uuid, 16);
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351 | 993fbfdb | Anthony Liguori | fw_cfg_add_i16(s, FW_CFG_NOGRAPHIC, (uint16_t)(display_type == DT_NOGRAPHIC)); |
352 | 905fdcb5 | blueswir1 | fw_cfg_add_i16(s, FW_CFG_NB_CPUS, (uint16_t)smp_cpus); |
353 | 6be68d7e | Jes Sorensen | fw_cfg_add_i16(s, FW_CFG_MAX_CPUS, (uint16_t)max_cpus); |
354 | 95387491 | Jan Kiszka | fw_cfg_add_i16(s, FW_CFG_BOOT_MENU, (uint16_t)boot_menu); |
355 | 905fdcb5 | blueswir1 | |
356 | 962630f2 | Gleb Natapov | |
357 | 962630f2 | Gleb Natapov | s->machine_ready.notify = fw_cfg_machine_ready; |
358 | 962630f2 | Gleb Natapov | qemu_add_machine_init_done_notifier(&s->machine_ready); |
359 | 962630f2 | Gleb Natapov | |
360 | 3cce6243 | blueswir1 | return s;
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361 | 3cce6243 | blueswir1 | } |
362 | 3a5c16fc | Blue Swirl | |
363 | 3a5c16fc | Blue Swirl | static int fw_cfg_init1(SysBusDevice *dev) |
364 | 3a5c16fc | Blue Swirl | { |
365 | 3a5c16fc | Blue Swirl | FWCfgState *s = FROM_SYSBUS(FWCfgState, dev); |
366 | 3a5c16fc | Blue Swirl | int io_ctl_memory, io_data_memory;
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367 | 3a5c16fc | Blue Swirl | |
368 | 3a5c16fc | Blue Swirl | io_ctl_memory = cpu_register_io_memory(fw_cfg_ctl_mem_read, |
369 | 2507c12a | Alexander Graf | fw_cfg_ctl_mem_write, s, |
370 | 2507c12a | Alexander Graf | DEVICE_NATIVE_ENDIAN); |
371 | 3a5c16fc | Blue Swirl | sysbus_init_mmio(dev, FW_CFG_SIZE, io_ctl_memory); |
372 | 3a5c16fc | Blue Swirl | |
373 | 3a5c16fc | Blue Swirl | io_data_memory = cpu_register_io_memory(fw_cfg_data_mem_read, |
374 | 2507c12a | Alexander Graf | fw_cfg_data_mem_write, s, |
375 | 2507c12a | Alexander Graf | DEVICE_NATIVE_ENDIAN); |
376 | 3a5c16fc | Blue Swirl | sysbus_init_mmio(dev, FW_CFG_SIZE, io_data_memory); |
377 | 3a5c16fc | Blue Swirl | |
378 | 3a5c16fc | Blue Swirl | if (s->ctl_iobase) {
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379 | 3a5c16fc | Blue Swirl | register_ioport_write(s->ctl_iobase, 2, 2, fw_cfg_io_writew, s); |
380 | 3a5c16fc | Blue Swirl | } |
381 | 3a5c16fc | Blue Swirl | if (s->data_iobase) {
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382 | 3a5c16fc | Blue Swirl | register_ioport_read(s->data_iobase, 1, 1, fw_cfg_io_readb, s); |
383 | 3a5c16fc | Blue Swirl | register_ioport_write(s->data_iobase, 1, 1, fw_cfg_io_writeb, s); |
384 | 3a5c16fc | Blue Swirl | } |
385 | 3a5c16fc | Blue Swirl | return 0; |
386 | 3a5c16fc | Blue Swirl | } |
387 | 3a5c16fc | Blue Swirl | |
388 | 3a5c16fc | Blue Swirl | static SysBusDeviceInfo fw_cfg_info = {
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389 | 3a5c16fc | Blue Swirl | .init = fw_cfg_init1, |
390 | 3a5c16fc | Blue Swirl | .qdev.name = "fw_cfg",
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391 | 3a5c16fc | Blue Swirl | .qdev.size = sizeof(FWCfgState),
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392 | 3a5c16fc | Blue Swirl | .qdev.vmsd = &vmstate_fw_cfg, |
393 | 3a5c16fc | Blue Swirl | .qdev.reset = fw_cfg_reset, |
394 | 3a5c16fc | Blue Swirl | .qdev.no_user = 1,
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395 | 3a5c16fc | Blue Swirl | .qdev.props = (Property[]) { |
396 | 3a5c16fc | Blue Swirl | DEFINE_PROP_HEX32("ctl_iobase", FWCfgState, ctl_iobase, -1), |
397 | 3a5c16fc | Blue Swirl | DEFINE_PROP_HEX32("data_iobase", FWCfgState, data_iobase, -1), |
398 | 3a5c16fc | Blue Swirl | DEFINE_PROP_END_OF_LIST(), |
399 | 3a5c16fc | Blue Swirl | }, |
400 | 3a5c16fc | Blue Swirl | }; |
401 | 3a5c16fc | Blue Swirl | |
402 | 3a5c16fc | Blue Swirl | static void fw_cfg_register_devices(void) |
403 | 3a5c16fc | Blue Swirl | { |
404 | 3a5c16fc | Blue Swirl | sysbus_register_withprop(&fw_cfg_info); |
405 | 3a5c16fc | Blue Swirl | } |
406 | 3a5c16fc | Blue Swirl | |
407 | 3a5c16fc | Blue Swirl | device_init(fw_cfg_register_devices) |