root / hw / fw_cfg.c @ f6dc18df
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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 | 3cce6243 | blueswir1 | |
29 | 3cce6243 | blueswir1 | /* debug firmware config */
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30 | 3cce6243 | blueswir1 | //#define DEBUG_FW_CFG
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31 | 3cce6243 | blueswir1 | |
32 | 3cce6243 | blueswir1 | #ifdef DEBUG_FW_CFG
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33 | 001faf32 | Blue Swirl | #define FW_CFG_DPRINTF(fmt, ...) \
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34 | 001faf32 | Blue Swirl | do { printf("FW_CFG: " fmt , ## __VA_ARGS__); } while (0) |
35 | 3cce6243 | blueswir1 | #else
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36 | 001faf32 | Blue Swirl | #define FW_CFG_DPRINTF(fmt, ...)
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37 | 3cce6243 | blueswir1 | #endif
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38 | 3cce6243 | blueswir1 | |
39 | 3cce6243 | blueswir1 | #define FW_CFG_SIZE 2 |
40 | 3cce6243 | blueswir1 | |
41 | 3cce6243 | blueswir1 | typedef struct _FWCfgEntry { |
42 | ff06108b | Juan Quintela | uint32_t len; |
43 | 3cce6243 | blueswir1 | uint8_t *data; |
44 | 3cce6243 | blueswir1 | void *callback_opaque;
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45 | 3cce6243 | blueswir1 | FWCfgCallback callback; |
46 | 3cce6243 | blueswir1 | } FWCfgEntry; |
47 | 3cce6243 | blueswir1 | |
48 | c2b5bda4 | Gerd Hoffmann | struct _FWCfgState {
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49 | 3cce6243 | blueswir1 | FWCfgEntry entries[2][FW_CFG_MAX_ENTRY];
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50 | abe147e0 | Gerd Hoffmann | FWCfgFiles *files; |
51 | 3cce6243 | blueswir1 | uint16_t cur_entry; |
52 | ff06108b | Juan Quintela | uint32_t cur_offset; |
53 | c2b5bda4 | Gerd Hoffmann | }; |
54 | 3cce6243 | blueswir1 | |
55 | 3cce6243 | blueswir1 | static void fw_cfg_write(FWCfgState *s, uint8_t value) |
56 | 3cce6243 | blueswir1 | { |
57 | 3cce6243 | blueswir1 | int arch = !!(s->cur_entry & FW_CFG_ARCH_LOCAL);
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58 | 3cce6243 | blueswir1 | FWCfgEntry *e = &s->entries[arch][s->cur_entry & FW_CFG_ENTRY_MASK]; |
59 | 3cce6243 | blueswir1 | |
60 | 3cce6243 | blueswir1 | FW_CFG_DPRINTF("write %d\n", value);
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61 | 3cce6243 | blueswir1 | |
62 | 3cce6243 | blueswir1 | if (s->cur_entry & FW_CFG_WRITE_CHANNEL && s->cur_offset < e->len) {
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63 | 3cce6243 | blueswir1 | e->data[s->cur_offset++] = value; |
64 | 3cce6243 | blueswir1 | if (s->cur_offset == e->len) {
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65 | 3cce6243 | blueswir1 | e->callback(e->callback_opaque, e->data); |
66 | 3cce6243 | blueswir1 | s->cur_offset = 0;
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67 | 3cce6243 | blueswir1 | } |
68 | 3cce6243 | blueswir1 | } |
69 | 3cce6243 | blueswir1 | } |
70 | 3cce6243 | blueswir1 | |
71 | 3cce6243 | blueswir1 | static int fw_cfg_select(FWCfgState *s, uint16_t key) |
72 | 3cce6243 | blueswir1 | { |
73 | 3cce6243 | blueswir1 | int ret;
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74 | 3cce6243 | blueswir1 | |
75 | 3cce6243 | blueswir1 | s->cur_offset = 0;
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76 | 3cce6243 | blueswir1 | if ((key & FW_CFG_ENTRY_MASK) >= FW_CFG_MAX_ENTRY) {
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77 | 3cce6243 | blueswir1 | s->cur_entry = FW_CFG_INVALID; |
78 | 3cce6243 | blueswir1 | ret = 0;
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79 | 3cce6243 | blueswir1 | } else {
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80 | 3cce6243 | blueswir1 | s->cur_entry = key; |
81 | 3cce6243 | blueswir1 | ret = 1;
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82 | 3cce6243 | blueswir1 | } |
83 | 3cce6243 | blueswir1 | |
84 | 3cce6243 | blueswir1 | FW_CFG_DPRINTF("select key %d (%sfound)\n", key, ret ? "" : "not "); |
85 | 3cce6243 | blueswir1 | |
86 | 3cce6243 | blueswir1 | return ret;
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87 | 3cce6243 | blueswir1 | } |
88 | 3cce6243 | blueswir1 | |
89 | 3cce6243 | blueswir1 | static uint8_t fw_cfg_read(FWCfgState *s)
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90 | 3cce6243 | blueswir1 | { |
91 | 3cce6243 | blueswir1 | int arch = !!(s->cur_entry & FW_CFG_ARCH_LOCAL);
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92 | 3cce6243 | blueswir1 | FWCfgEntry *e = &s->entries[arch][s->cur_entry & FW_CFG_ENTRY_MASK]; |
93 | 3cce6243 | blueswir1 | uint8_t ret; |
94 | 3cce6243 | blueswir1 | |
95 | 3cce6243 | blueswir1 | if (s->cur_entry == FW_CFG_INVALID || !e->data || s->cur_offset >= e->len)
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96 | 3cce6243 | blueswir1 | ret = 0;
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97 | 3cce6243 | blueswir1 | else
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98 | 3cce6243 | blueswir1 | ret = e->data[s->cur_offset++]; |
99 | 3cce6243 | blueswir1 | |
100 | 3cce6243 | blueswir1 | FW_CFG_DPRINTF("read %d\n", ret);
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101 | 3cce6243 | blueswir1 | |
102 | 3cce6243 | blueswir1 | return ret;
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103 | 3cce6243 | blueswir1 | } |
104 | 3cce6243 | blueswir1 | |
105 | 3cce6243 | blueswir1 | static uint32_t fw_cfg_io_readb(void *opaque, uint32_t addr) |
106 | 3cce6243 | blueswir1 | { |
107 | 3cce6243 | blueswir1 | return fw_cfg_read(opaque);
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108 | 3cce6243 | blueswir1 | } |
109 | 3cce6243 | blueswir1 | |
110 | 3cce6243 | blueswir1 | static void fw_cfg_io_writeb(void *opaque, uint32_t addr, uint32_t value) |
111 | 3cce6243 | blueswir1 | { |
112 | 7442511c | blueswir1 | fw_cfg_write(opaque, (uint8_t)value); |
113 | 3cce6243 | blueswir1 | } |
114 | 3cce6243 | blueswir1 | |
115 | 3cce6243 | blueswir1 | static void fw_cfg_io_writew(void *opaque, uint32_t addr, uint32_t value) |
116 | 3cce6243 | blueswir1 | { |
117 | 3cce6243 | blueswir1 | fw_cfg_select(opaque, (uint16_t)value); |
118 | 3cce6243 | blueswir1 | } |
119 | 3cce6243 | blueswir1 | |
120 | c227f099 | Anthony Liguori | static uint32_t fw_cfg_mem_readb(void *opaque, target_phys_addr_t addr) |
121 | 3cce6243 | blueswir1 | { |
122 | 3cce6243 | blueswir1 | return fw_cfg_read(opaque);
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123 | 3cce6243 | blueswir1 | } |
124 | 3cce6243 | blueswir1 | |
125 | c227f099 | Anthony Liguori | static void fw_cfg_mem_writeb(void *opaque, target_phys_addr_t addr, |
126 | 3cce6243 | blueswir1 | uint32_t value) |
127 | 3cce6243 | blueswir1 | { |
128 | 7442511c | blueswir1 | fw_cfg_write(opaque, (uint8_t)value); |
129 | 3cce6243 | blueswir1 | } |
130 | 3cce6243 | blueswir1 | |
131 | c227f099 | Anthony Liguori | static void fw_cfg_mem_writew(void *opaque, target_phys_addr_t addr, |
132 | 3cce6243 | blueswir1 | uint32_t value) |
133 | 3cce6243 | blueswir1 | { |
134 | 3cce6243 | blueswir1 | fw_cfg_select(opaque, (uint16_t)value); |
135 | 3cce6243 | blueswir1 | } |
136 | 3cce6243 | blueswir1 | |
137 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const fw_cfg_ctl_mem_read[3] = { |
138 | 3cce6243 | blueswir1 | NULL,
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139 | 3cce6243 | blueswir1 | NULL,
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140 | 3cce6243 | blueswir1 | NULL,
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141 | 3cce6243 | blueswir1 | }; |
142 | 3cce6243 | blueswir1 | |
143 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const fw_cfg_ctl_mem_write[3] = { |
144 | 3cce6243 | blueswir1 | NULL,
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145 | 3cce6243 | blueswir1 | fw_cfg_mem_writew, |
146 | 3cce6243 | blueswir1 | NULL,
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147 | 3cce6243 | blueswir1 | }; |
148 | 3cce6243 | blueswir1 | |
149 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const fw_cfg_data_mem_read[3] = { |
150 | 3cce6243 | blueswir1 | fw_cfg_mem_readb, |
151 | 3cce6243 | blueswir1 | NULL,
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152 | 3cce6243 | blueswir1 | NULL,
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153 | 3cce6243 | blueswir1 | }; |
154 | 3cce6243 | blueswir1 | |
155 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const fw_cfg_data_mem_write[3] = { |
156 | 3cce6243 | blueswir1 | fw_cfg_mem_writeb, |
157 | 3cce6243 | blueswir1 | NULL,
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158 | 3cce6243 | blueswir1 | NULL,
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159 | 3cce6243 | blueswir1 | }; |
160 | 3cce6243 | blueswir1 | |
161 | 3cce6243 | blueswir1 | static void fw_cfg_reset(void *opaque) |
162 | 3cce6243 | blueswir1 | { |
163 | 3cce6243 | blueswir1 | FWCfgState *s = opaque; |
164 | 3cce6243 | blueswir1 | |
165 | 3cce6243 | blueswir1 | fw_cfg_select(s, 0);
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166 | 3cce6243 | blueswir1 | } |
167 | 3cce6243 | blueswir1 | |
168 | ff06108b | Juan Quintela | /* Save restore 32 bit int as uint16_t
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169 | ff06108b | Juan Quintela | This is a Big hack, but it is how the old state did it.
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170 | ff06108b | Juan Quintela | Or we broke compatibility in the state, or we can't use struct tm
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171 | ff06108b | Juan Quintela | */
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172 | ff06108b | Juan Quintela | |
173 | ff06108b | Juan Quintela | static int get_uint32_as_uint16(QEMUFile *f, void *pv, size_t size) |
174 | ff06108b | Juan Quintela | { |
175 | ff06108b | Juan Quintela | uint32_t *v = pv; |
176 | ff06108b | Juan Quintela | *v = qemu_get_be16(f); |
177 | ff06108b | Juan Quintela | return 0; |
178 | ff06108b | Juan Quintela | } |
179 | ff06108b | Juan Quintela | |
180 | ff06108b | Juan Quintela | static void put_unused(QEMUFile *f, void *pv, size_t size) |
181 | ff06108b | Juan Quintela | { |
182 | ff06108b | Juan Quintela | fprintf(stderr, "uint32_as_uint16 is only used for backward compatibilty.\n");
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183 | ff06108b | Juan Quintela | fprintf(stderr, "This functions shouldn't be called.\n");
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184 | ff06108b | Juan Quintela | } |
185 | ff06108b | Juan Quintela | |
186 | d05ac8fa | Blue Swirl | static const VMStateInfo vmstate_hack_uint32_as_uint16 = { |
187 | ff06108b | Juan Quintela | .name = "int32_as_uint16",
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188 | ff06108b | Juan Quintela | .get = get_uint32_as_uint16, |
189 | ff06108b | Juan Quintela | .put = put_unused, |
190 | ff06108b | Juan Quintela | }; |
191 | ff06108b | Juan Quintela | |
192 | ff06108b | Juan Quintela | #define VMSTATE_UINT16_HACK(_f, _s, _t) \
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193 | ff06108b | Juan Quintela | VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_hack_uint32_as_uint16, uint32_t)
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194 | ff06108b | Juan Quintela | |
195 | ff06108b | Juan Quintela | |
196 | ff06108b | Juan Quintela | static bool is_version_1(void *opaque, int version_id) |
197 | ff06108b | Juan Quintela | { |
198 | ff06108b | Juan Quintela | return version_id == 1; |
199 | ff06108b | Juan Quintela | } |
200 | ff06108b | Juan Quintela | |
201 | 7d2edd40 | Juan Quintela | static const VMStateDescription vmstate_fw_cfg = { |
202 | 7d2edd40 | Juan Quintela | .name = "fw_cfg",
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203 | ff06108b | Juan Quintela | .version_id = 2,
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204 | 7d2edd40 | Juan Quintela | .minimum_version_id = 1,
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205 | 7d2edd40 | Juan Quintela | .minimum_version_id_old = 1,
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206 | 7d2edd40 | Juan Quintela | .fields = (VMStateField []) { |
207 | 7d2edd40 | Juan Quintela | VMSTATE_UINT16(cur_entry, FWCfgState), |
208 | ff06108b | Juan Quintela | VMSTATE_UINT16_HACK(cur_offset, FWCfgState, is_version_1), |
209 | ff06108b | Juan Quintela | VMSTATE_UINT32_V(cur_offset, FWCfgState, 2),
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210 | 7d2edd40 | Juan Quintela | VMSTATE_END_OF_LIST() |
211 | 7d2edd40 | Juan Quintela | } |
212 | 7d2edd40 | Juan Quintela | }; |
213 | 3cce6243 | blueswir1 | |
214 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_bytes(FWCfgState *s, uint16_t key, uint8_t *data, uint32_t len)
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215 | 3cce6243 | blueswir1 | { |
216 | 3cce6243 | blueswir1 | int arch = !!(key & FW_CFG_ARCH_LOCAL);
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217 | 3cce6243 | blueswir1 | |
218 | 3cce6243 | blueswir1 | key &= FW_CFG_ENTRY_MASK; |
219 | 3cce6243 | blueswir1 | |
220 | 3cce6243 | blueswir1 | if (key >= FW_CFG_MAX_ENTRY)
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221 | 3cce6243 | blueswir1 | return 0; |
222 | 3cce6243 | blueswir1 | |
223 | 3cce6243 | blueswir1 | s->entries[arch][key].data = data; |
224 | 3cce6243 | blueswir1 | s->entries[arch][key].len = len; |
225 | 3cce6243 | blueswir1 | |
226 | 3cce6243 | blueswir1 | return 1; |
227 | 3cce6243 | blueswir1 | } |
228 | 3cce6243 | blueswir1 | |
229 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value)
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230 | 3cce6243 | blueswir1 | { |
231 | 3cce6243 | blueswir1 | uint16_t *copy; |
232 | 3cce6243 | blueswir1 | |
233 | 3cce6243 | blueswir1 | copy = qemu_malloc(sizeof(value));
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234 | 3cce6243 | blueswir1 | *copy = cpu_to_le16(value); |
235 | c2b5bda4 | Gerd Hoffmann | return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value)); |
236 | 3cce6243 | blueswir1 | } |
237 | 3cce6243 | blueswir1 | |
238 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value)
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239 | 3cce6243 | blueswir1 | { |
240 | 3cce6243 | blueswir1 | uint32_t *copy; |
241 | 3cce6243 | blueswir1 | |
242 | 3cce6243 | blueswir1 | copy = qemu_malloc(sizeof(value));
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243 | 3cce6243 | blueswir1 | *copy = cpu_to_le32(value); |
244 | c2b5bda4 | Gerd Hoffmann | return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value)); |
245 | 3cce6243 | blueswir1 | } |
246 | 3cce6243 | blueswir1 | |
247 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value)
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248 | 3cce6243 | blueswir1 | { |
249 | 3cce6243 | blueswir1 | uint64_t *copy; |
250 | 3cce6243 | blueswir1 | |
251 | 3cce6243 | blueswir1 | copy = qemu_malloc(sizeof(value));
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252 | 3cce6243 | blueswir1 | *copy = cpu_to_le64(value); |
253 | c2b5bda4 | Gerd Hoffmann | return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value)); |
254 | 3cce6243 | blueswir1 | } |
255 | 3cce6243 | blueswir1 | |
256 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_callback(FWCfgState *s, uint16_t key, FWCfgCallback callback,
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257 | 3cce6243 | blueswir1 | void *callback_opaque, uint8_t *data, size_t len)
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258 | 3cce6243 | blueswir1 | { |
259 | 3cce6243 | blueswir1 | int arch = !!(key & FW_CFG_ARCH_LOCAL);
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260 | 3cce6243 | blueswir1 | |
261 | 85df0de4 | blueswir1 | if (!(key & FW_CFG_WRITE_CHANNEL))
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262 | 85df0de4 | blueswir1 | return 0; |
263 | 85df0de4 | blueswir1 | |
264 | 3cce6243 | blueswir1 | key &= FW_CFG_ENTRY_MASK; |
265 | 3cce6243 | blueswir1 | |
266 | 85df0de4 | blueswir1 | if (key >= FW_CFG_MAX_ENTRY || len > 65535) |
267 | 3cce6243 | blueswir1 | return 0; |
268 | 3cce6243 | blueswir1 | |
269 | 3cce6243 | blueswir1 | s->entries[arch][key].data = data; |
270 | 3cce6243 | blueswir1 | s->entries[arch][key].len = len; |
271 | 3cce6243 | blueswir1 | s->entries[arch][key].callback_opaque = callback_opaque; |
272 | 3cce6243 | blueswir1 | s->entries[arch][key].callback = callback; |
273 | 3cce6243 | blueswir1 | |
274 | 3cce6243 | blueswir1 | return 1; |
275 | 3cce6243 | blueswir1 | } |
276 | 3cce6243 | blueswir1 | |
277 | abe147e0 | Gerd Hoffmann | int fw_cfg_add_file(FWCfgState *s, const char *dir, const char *filename, |
278 | abe147e0 | Gerd Hoffmann | uint8_t *data, uint32_t len) |
279 | abe147e0 | Gerd Hoffmann | { |
280 | abe147e0 | Gerd Hoffmann | const char *basename; |
281 | abe147e0 | Gerd Hoffmann | int index;
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282 | abe147e0 | Gerd Hoffmann | |
283 | abe147e0 | Gerd Hoffmann | if (!s->files) {
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284 | abe147e0 | Gerd Hoffmann | int dsize = sizeof(uint32_t) + sizeof(FWCfgFile) * FW_CFG_FILE_SLOTS; |
285 | abe147e0 | Gerd Hoffmann | s->files = qemu_mallocz(dsize); |
286 | abe147e0 | Gerd Hoffmann | fw_cfg_add_bytes(s, FW_CFG_FILE_DIR, (uint8_t*)s->files, dsize); |
287 | abe147e0 | Gerd Hoffmann | } |
288 | abe147e0 | Gerd Hoffmann | |
289 | abe147e0 | Gerd Hoffmann | index = be32_to_cpu(s->files->count); |
290 | abe147e0 | Gerd Hoffmann | if (index == FW_CFG_FILE_SLOTS) {
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291 | abe147e0 | Gerd Hoffmann | fprintf(stderr, "fw_cfg: out of file slots\n");
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292 | abe147e0 | Gerd Hoffmann | return 0; |
293 | abe147e0 | Gerd Hoffmann | } |
294 | abe147e0 | Gerd Hoffmann | |
295 | abe147e0 | Gerd Hoffmann | fw_cfg_add_bytes(s, FW_CFG_FILE_FIRST + index, data, len); |
296 | abe147e0 | Gerd Hoffmann | |
297 | abe147e0 | Gerd Hoffmann | basename = strrchr(filename, '/');
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298 | abe147e0 | Gerd Hoffmann | if (basename) {
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299 | abe147e0 | Gerd Hoffmann | basename++; |
300 | abe147e0 | Gerd Hoffmann | } else {
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301 | abe147e0 | Gerd Hoffmann | basename = filename; |
302 | abe147e0 | Gerd Hoffmann | } |
303 | abe147e0 | Gerd Hoffmann | if (dir) {
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304 | abe147e0 | Gerd Hoffmann | snprintf(s->files->f[index].name, sizeof(s->files->f[index].name),
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305 | abe147e0 | Gerd Hoffmann | "%s/%s", dir, basename);
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306 | abe147e0 | Gerd Hoffmann | } else {
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307 | abe147e0 | Gerd Hoffmann | snprintf(s->files->f[index].name, sizeof(s->files->f[index].name),
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308 | abe147e0 | Gerd Hoffmann | "%s", basename);
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309 | abe147e0 | 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 | c2b5bda4 | Gerd Hoffmann | FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port, |
320 | c2b5bda4 | Gerd Hoffmann | target_phys_addr_t ctl_addr, target_phys_addr_t data_addr) |
321 | 3cce6243 | blueswir1 | { |
322 | 3cce6243 | blueswir1 | FWCfgState *s; |
323 | 3cce6243 | blueswir1 | int io_ctl_memory, io_data_memory;
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324 | 3cce6243 | blueswir1 | |
325 | 3cce6243 | blueswir1 | s = qemu_mallocz(sizeof(FWCfgState));
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326 | 3cce6243 | blueswir1 | |
327 | 3cce6243 | blueswir1 | if (ctl_port) {
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328 | 3cce6243 | blueswir1 | register_ioport_write(ctl_port, 2, 2, fw_cfg_io_writew, s); |
329 | 3cce6243 | blueswir1 | } |
330 | 3cce6243 | blueswir1 | if (data_port) {
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331 | 3cce6243 | blueswir1 | register_ioport_read(data_port, 1, 1, fw_cfg_io_readb, s); |
332 | 3cce6243 | blueswir1 | register_ioport_write(data_port, 1, 1, fw_cfg_io_writeb, s); |
333 | 3cce6243 | blueswir1 | } |
334 | 3cce6243 | blueswir1 | if (ctl_addr) {
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335 | 1eed09cb | Avi Kivity | io_ctl_memory = cpu_register_io_memory(fw_cfg_ctl_mem_read, |
336 | 3cce6243 | blueswir1 | fw_cfg_ctl_mem_write, s); |
337 | 3cce6243 | blueswir1 | cpu_register_physical_memory(ctl_addr, FW_CFG_SIZE, io_ctl_memory); |
338 | 3cce6243 | blueswir1 | } |
339 | 3cce6243 | blueswir1 | if (data_addr) {
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340 | 1eed09cb | Avi Kivity | io_data_memory = cpu_register_io_memory(fw_cfg_data_mem_read, |
341 | 3cce6243 | blueswir1 | fw_cfg_data_mem_write, s); |
342 | 3cce6243 | blueswir1 | cpu_register_physical_memory(data_addr, FW_CFG_SIZE, io_data_memory); |
343 | 3cce6243 | blueswir1 | } |
344 | 3cce6243 | blueswir1 | fw_cfg_add_bytes(s, FW_CFG_SIGNATURE, (uint8_t *)"QEMU", 4); |
345 | 084a197a | blueswir1 | fw_cfg_add_bytes(s, FW_CFG_UUID, qemu_uuid, 16);
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346 | 993fbfdb | Anthony Liguori | fw_cfg_add_i16(s, FW_CFG_NOGRAPHIC, (uint16_t)(display_type == DT_NOGRAPHIC)); |
347 | 905fdcb5 | blueswir1 | fw_cfg_add_i16(s, FW_CFG_NB_CPUS, (uint16_t)smp_cpus); |
348 | 6be68d7e | Jes Sorensen | fw_cfg_add_i16(s, FW_CFG_MAX_CPUS, (uint16_t)max_cpus); |
349 | 95387491 | Jan Kiszka | fw_cfg_add_i16(s, FW_CFG_BOOT_MENU, (uint16_t)boot_menu); |
350 | 905fdcb5 | blueswir1 | |
351 | 7d2edd40 | Juan Quintela | vmstate_register(-1, &vmstate_fw_cfg, s);
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352 | a08d4367 | Jan Kiszka | qemu_register_reset(fw_cfg_reset, s); |
353 | 3cce6243 | blueswir1 | |
354 | 3cce6243 | blueswir1 | return s;
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355 | 3cce6243 | blueswir1 | } |