root / hw / fw_cfg.c @ be40edcd
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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 | 3d3b8303 | wayne | #include "qemu-error.h" |
30 | 3cce6243 | blueswir1 | |
31 | 3cce6243 | blueswir1 | /* debug firmware config */
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32 | 3cce6243 | blueswir1 | //#define DEBUG_FW_CFG
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33 | 3cce6243 | blueswir1 | |
34 | 3cce6243 | blueswir1 | #ifdef DEBUG_FW_CFG
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35 | 001faf32 | Blue Swirl | #define FW_CFG_DPRINTF(fmt, ...) \
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36 | 001faf32 | Blue Swirl | do { printf("FW_CFG: " fmt , ## __VA_ARGS__); } while (0) |
37 | 3cce6243 | blueswir1 | #else
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38 | 001faf32 | Blue Swirl | #define FW_CFG_DPRINTF(fmt, ...)
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39 | 3cce6243 | blueswir1 | #endif
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40 | 3cce6243 | blueswir1 | |
41 | 3cce6243 | blueswir1 | #define FW_CFG_SIZE 2 |
42 | 3cce6243 | blueswir1 | |
43 | b96ae2da | Blue Swirl | typedef struct FWCfgEntry { |
44 | ff06108b | Juan Quintela | uint32_t len; |
45 | 3cce6243 | blueswir1 | uint8_t *data; |
46 | 3cce6243 | blueswir1 | void *callback_opaque;
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47 | 3cce6243 | blueswir1 | FWCfgCallback callback; |
48 | 3cce6243 | blueswir1 | } FWCfgEntry; |
49 | 3cce6243 | blueswir1 | |
50 | b96ae2da | Blue Swirl | struct FWCfgState {
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51 | 3a5c16fc | Blue Swirl | SysBusDevice busdev; |
52 | 3a5c16fc | Blue Swirl | uint32_t ctl_iobase, data_iobase; |
53 | 3cce6243 | blueswir1 | FWCfgEntry entries[2][FW_CFG_MAX_ENTRY];
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54 | abe147e0 | Gerd Hoffmann | FWCfgFiles *files; |
55 | 3cce6243 | blueswir1 | uint16_t cur_entry; |
56 | ff06108b | Juan Quintela | uint32_t cur_offset; |
57 | 962630f2 | Gleb Natapov | Notifier machine_ready; |
58 | c2b5bda4 | Gerd Hoffmann | }; |
59 | 3cce6243 | blueswir1 | |
60 | 3d3b8303 | wayne | #define JPG_FILE 0 |
61 | 3d3b8303 | wayne | #define BMP_FILE 1 |
62 | 3d3b8303 | wayne | |
63 | 3d3b8303 | wayne | static FILE *probe_splashfile(char *filename, int *file_sizep, int *file_typep) |
64 | 3d3b8303 | wayne | { |
65 | 3d3b8303 | wayne | FILE *fp = NULL;
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66 | 3d3b8303 | wayne | int fop_ret;
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67 | 3d3b8303 | wayne | int file_size;
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68 | 3d3b8303 | wayne | int file_type = -1; |
69 | 3d3b8303 | wayne | unsigned char buf[2] = {0, 0}; |
70 | 3d3b8303 | wayne | unsigned int filehead_value = 0; |
71 | 3d3b8303 | wayne | int bmp_bpp;
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72 | 3d3b8303 | wayne | |
73 | 3d3b8303 | wayne | fp = fopen(filename, "rb");
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74 | 3d3b8303 | wayne | if (fp == NULL) { |
75 | 3d3b8303 | wayne | error_report("failed to open file '%s'.", filename);
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76 | 3d3b8303 | wayne | return fp;
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77 | 3d3b8303 | wayne | } |
78 | 3d3b8303 | wayne | /* check file size */
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79 | 3d3b8303 | wayne | fseek(fp, 0L, SEEK_END);
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80 | 3d3b8303 | wayne | file_size = ftell(fp); |
81 | 3d3b8303 | wayne | if (file_size < 2) { |
82 | 3d3b8303 | wayne | error_report("file size is less than 2 bytes '%s'.", filename);
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83 | 3d3b8303 | wayne | fclose(fp); |
84 | 3d3b8303 | wayne | fp = NULL;
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85 | 3d3b8303 | wayne | return fp;
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86 | 3d3b8303 | wayne | } |
87 | 3d3b8303 | wayne | /* check magic ID */
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88 | 3d3b8303 | wayne | fseek(fp, 0L, SEEK_SET);
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89 | 3d3b8303 | wayne | fop_ret = fread(buf, 1, 2, fp); |
90 | 257a7375 | David Gibson | if (fop_ret != 2) { |
91 | 257a7375 | David Gibson | error_report("Could not read header from '%s': %s",
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92 | 257a7375 | David Gibson | filename, strerror(errno)); |
93 | 257a7375 | David Gibson | fclose(fp); |
94 | 257a7375 | David Gibson | fp = NULL;
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95 | 257a7375 | David Gibson | return fp;
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96 | 257a7375 | David Gibson | } |
97 | 3d3b8303 | wayne | filehead_value = (buf[0] + (buf[1] << 8)) & 0xffff; |
98 | 3d3b8303 | wayne | if (filehead_value == 0xd8ff) { |
99 | 3d3b8303 | wayne | file_type = JPG_FILE; |
100 | 3d3b8303 | wayne | } else {
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101 | 3d3b8303 | wayne | if (filehead_value == 0x4d42) { |
102 | 3d3b8303 | wayne | file_type = BMP_FILE; |
103 | 3d3b8303 | wayne | } |
104 | 3d3b8303 | wayne | } |
105 | 3d3b8303 | wayne | if (file_type < 0) { |
106 | 3d3b8303 | wayne | error_report("'%s' not jpg/bmp file,head:0x%x.",
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107 | 3d3b8303 | wayne | filename, filehead_value); |
108 | 3d3b8303 | wayne | fclose(fp); |
109 | 3d3b8303 | wayne | fp = NULL;
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110 | 3d3b8303 | wayne | return fp;
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111 | 3d3b8303 | wayne | } |
112 | 3d3b8303 | wayne | /* check BMP bpp */
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113 | 3d3b8303 | wayne | if (file_type == BMP_FILE) {
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114 | 3d3b8303 | wayne | fseek(fp, 28, SEEK_SET);
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115 | 3d3b8303 | wayne | fop_ret = fread(buf, 1, 2, fp); |
116 | 3d3b8303 | wayne | bmp_bpp = (buf[0] + (buf[1] << 8)) & 0xffff; |
117 | 3d3b8303 | wayne | if (bmp_bpp != 24) { |
118 | 3d3b8303 | wayne | error_report("only 24bpp bmp file is supported.");
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119 | 3d3b8303 | wayne | fclose(fp); |
120 | 3d3b8303 | wayne | fp = NULL;
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121 | 3d3b8303 | wayne | return fp;
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122 | 3d3b8303 | wayne | } |
123 | 3d3b8303 | wayne | } |
124 | 3d3b8303 | wayne | /* return values */
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125 | 3d3b8303 | wayne | *file_sizep = file_size; |
126 | 3d3b8303 | wayne | *file_typep = file_type; |
127 | 3d3b8303 | wayne | return fp;
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128 | 3d3b8303 | wayne | } |
129 | 3d3b8303 | wayne | |
130 | 3d3b8303 | wayne | static void fw_cfg_bootsplash(FWCfgState *s) |
131 | 3d3b8303 | wayne | { |
132 | 3d3b8303 | wayne | int boot_splash_time = -1; |
133 | 3d3b8303 | wayne | const char *boot_splash_filename = NULL; |
134 | 3d3b8303 | wayne | char *p;
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135 | 3d3b8303 | wayne | char *filename;
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136 | 3d3b8303 | wayne | FILE *fp; |
137 | 3d3b8303 | wayne | int fop_ret;
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138 | 3d3b8303 | wayne | int file_size;
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139 | 3d3b8303 | wayne | int file_type = -1; |
140 | 3d3b8303 | wayne | const char *temp; |
141 | 3d3b8303 | wayne | |
142 | 3d3b8303 | wayne | /* get user configuration */
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143 | 3d3b8303 | wayne | QemuOptsList *plist = qemu_find_opts("boot-opts");
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144 | 3d3b8303 | wayne | QemuOpts *opts = QTAILQ_FIRST(&plist->head); |
145 | 3d3b8303 | wayne | if (opts != NULL) { |
146 | 3d3b8303 | wayne | temp = qemu_opt_get(opts, "splash");
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147 | 3d3b8303 | wayne | if (temp != NULL) { |
148 | 3d3b8303 | wayne | boot_splash_filename = temp; |
149 | 3d3b8303 | wayne | } |
150 | 3d3b8303 | wayne | temp = qemu_opt_get(opts, "splash-time");
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151 | 3d3b8303 | wayne | if (temp != NULL) { |
152 | 3d3b8303 | wayne | p = (char *)temp;
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153 | 3d3b8303 | wayne | boot_splash_time = strtol(p, (char **)&p, 10); |
154 | 3d3b8303 | wayne | } |
155 | 3d3b8303 | wayne | } |
156 | 3d3b8303 | wayne | |
157 | 3d3b8303 | wayne | /* insert splash time if user configurated */
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158 | 3d3b8303 | wayne | if (boot_splash_time >= 0) { |
159 | 3d3b8303 | wayne | /* validate the input */
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160 | 3d3b8303 | wayne | if (boot_splash_time > 0xffff) { |
161 | 3d3b8303 | wayne | error_report("splash time is big than 65535, force it to 65535.");
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162 | 3d3b8303 | wayne | boot_splash_time = 0xffff;
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163 | 3d3b8303 | wayne | } |
164 | 3d3b8303 | wayne | /* use little endian format */
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165 | 3d3b8303 | wayne | qemu_extra_params_fw[0] = (uint8_t)(boot_splash_time & 0xff); |
166 | 3d3b8303 | wayne | qemu_extra_params_fw[1] = (uint8_t)((boot_splash_time >> 8) & 0xff); |
167 | 3d3b8303 | wayne | fw_cfg_add_file(s, "etc/boot-menu-wait", qemu_extra_params_fw, 2); |
168 | 3d3b8303 | wayne | } |
169 | 3d3b8303 | wayne | |
170 | 3d3b8303 | wayne | /* insert splash file if user configurated */
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171 | 3d3b8303 | wayne | if (boot_splash_filename != NULL) { |
172 | 3d3b8303 | wayne | filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, boot_splash_filename); |
173 | 3d3b8303 | wayne | if (filename == NULL) { |
174 | 3d3b8303 | wayne | error_report("failed to find file '%s'.", boot_splash_filename);
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175 | 3d3b8303 | wayne | return;
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176 | 3d3b8303 | wayne | } |
177 | 3d3b8303 | wayne | /* probing the file */
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178 | 3d3b8303 | wayne | fp = probe_splashfile(filename, &file_size, &file_type); |
179 | 3d3b8303 | wayne | if (fp == NULL) { |
180 | 7267c094 | Anthony Liguori | g_free(filename); |
181 | 3d3b8303 | wayne | return;
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182 | 3d3b8303 | wayne | } |
183 | 3d3b8303 | wayne | /* loading file data */
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184 | 3d3b8303 | wayne | if (boot_splash_filedata != NULL) { |
185 | 7267c094 | Anthony Liguori | g_free(boot_splash_filedata); |
186 | 3d3b8303 | wayne | } |
187 | 7267c094 | Anthony Liguori | boot_splash_filedata = g_malloc(file_size); |
188 | 3d3b8303 | wayne | boot_splash_filedata_size = file_size; |
189 | 3d3b8303 | wayne | fseek(fp, 0L, SEEK_SET);
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190 | 3d3b8303 | wayne | fop_ret = fread(boot_splash_filedata, 1, file_size, fp);
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191 | 257a7375 | David Gibson | if (fop_ret != file_size) {
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192 | 257a7375 | David Gibson | error_report("failed to read data from '%s'.",
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193 | 257a7375 | David Gibson | boot_splash_filename); |
194 | 257a7375 | David Gibson | fclose(fp); |
195 | 257a7375 | David Gibson | return;
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196 | 257a7375 | David Gibson | } |
197 | 3d3b8303 | wayne | fclose(fp); |
198 | 3d3b8303 | wayne | /* insert data */
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199 | 3d3b8303 | wayne | if (file_type == JPG_FILE) {
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200 | 3d3b8303 | wayne | fw_cfg_add_file(s, "bootsplash.jpg",
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201 | 3d3b8303 | wayne | boot_splash_filedata, boot_splash_filedata_size); |
202 | 3d3b8303 | wayne | } else {
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203 | 3d3b8303 | wayne | fw_cfg_add_file(s, "bootsplash.bmp",
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204 | 3d3b8303 | wayne | boot_splash_filedata, boot_splash_filedata_size); |
205 | 3d3b8303 | wayne | } |
206 | 7267c094 | Anthony Liguori | g_free(filename); |
207 | 3d3b8303 | wayne | } |
208 | 3d3b8303 | wayne | } |
209 | 3d3b8303 | wayne | |
210 | 3cce6243 | blueswir1 | static void fw_cfg_write(FWCfgState *s, uint8_t value) |
211 | 3cce6243 | blueswir1 | { |
212 | 3cce6243 | blueswir1 | int arch = !!(s->cur_entry & FW_CFG_ARCH_LOCAL);
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213 | 3cce6243 | blueswir1 | FWCfgEntry *e = &s->entries[arch][s->cur_entry & FW_CFG_ENTRY_MASK]; |
214 | 3cce6243 | blueswir1 | |
215 | 3cce6243 | blueswir1 | FW_CFG_DPRINTF("write %d\n", value);
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216 | 3cce6243 | blueswir1 | |
217 | 962d4b28 | Blue Swirl | if (s->cur_entry & FW_CFG_WRITE_CHANNEL && e->callback &&
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218 | 962d4b28 | Blue Swirl | s->cur_offset < e->len) { |
219 | 3cce6243 | blueswir1 | e->data[s->cur_offset++] = value; |
220 | 3cce6243 | blueswir1 | if (s->cur_offset == e->len) {
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221 | 3cce6243 | blueswir1 | e->callback(e->callback_opaque, e->data); |
222 | 3cce6243 | blueswir1 | s->cur_offset = 0;
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223 | 3cce6243 | blueswir1 | } |
224 | 3cce6243 | blueswir1 | } |
225 | 3cce6243 | blueswir1 | } |
226 | 3cce6243 | blueswir1 | |
227 | 3cce6243 | blueswir1 | static int fw_cfg_select(FWCfgState *s, uint16_t key) |
228 | 3cce6243 | blueswir1 | { |
229 | 3cce6243 | blueswir1 | int ret;
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230 | 3cce6243 | blueswir1 | |
231 | 3cce6243 | blueswir1 | s->cur_offset = 0;
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232 | 3cce6243 | blueswir1 | if ((key & FW_CFG_ENTRY_MASK) >= FW_CFG_MAX_ENTRY) {
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233 | 3cce6243 | blueswir1 | s->cur_entry = FW_CFG_INVALID; |
234 | 3cce6243 | blueswir1 | ret = 0;
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235 | 3cce6243 | blueswir1 | } else {
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236 | 3cce6243 | blueswir1 | s->cur_entry = key; |
237 | 3cce6243 | blueswir1 | ret = 1;
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238 | 3cce6243 | blueswir1 | } |
239 | 3cce6243 | blueswir1 | |
240 | 3cce6243 | blueswir1 | FW_CFG_DPRINTF("select key %d (%sfound)\n", key, ret ? "" : "not "); |
241 | 3cce6243 | blueswir1 | |
242 | 3cce6243 | blueswir1 | return ret;
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243 | 3cce6243 | blueswir1 | } |
244 | 3cce6243 | blueswir1 | |
245 | 3cce6243 | blueswir1 | static uint8_t fw_cfg_read(FWCfgState *s)
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246 | 3cce6243 | blueswir1 | { |
247 | 3cce6243 | blueswir1 | int arch = !!(s->cur_entry & FW_CFG_ARCH_LOCAL);
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248 | 3cce6243 | blueswir1 | FWCfgEntry *e = &s->entries[arch][s->cur_entry & FW_CFG_ENTRY_MASK]; |
249 | 3cce6243 | blueswir1 | uint8_t ret; |
250 | 3cce6243 | blueswir1 | |
251 | 3cce6243 | blueswir1 | if (s->cur_entry == FW_CFG_INVALID || !e->data || s->cur_offset >= e->len)
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252 | 3cce6243 | blueswir1 | ret = 0;
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253 | 3cce6243 | blueswir1 | else
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254 | 3cce6243 | blueswir1 | ret = e->data[s->cur_offset++]; |
255 | 3cce6243 | blueswir1 | |
256 | 3cce6243 | blueswir1 | FW_CFG_DPRINTF("read %d\n", ret);
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257 | 3cce6243 | blueswir1 | |
258 | 3cce6243 | blueswir1 | return ret;
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259 | 3cce6243 | blueswir1 | } |
260 | 3cce6243 | blueswir1 | |
261 | 3cce6243 | blueswir1 | static uint32_t fw_cfg_io_readb(void *opaque, uint32_t addr) |
262 | 3cce6243 | blueswir1 | { |
263 | 3cce6243 | blueswir1 | return fw_cfg_read(opaque);
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264 | 3cce6243 | blueswir1 | } |
265 | 3cce6243 | blueswir1 | |
266 | 3cce6243 | blueswir1 | static void fw_cfg_io_writeb(void *opaque, uint32_t addr, uint32_t value) |
267 | 3cce6243 | blueswir1 | { |
268 | 7442511c | blueswir1 | fw_cfg_write(opaque, (uint8_t)value); |
269 | 3cce6243 | blueswir1 | } |
270 | 3cce6243 | blueswir1 | |
271 | 3cce6243 | blueswir1 | static void fw_cfg_io_writew(void *opaque, uint32_t addr, uint32_t value) |
272 | 3cce6243 | blueswir1 | { |
273 | 3cce6243 | blueswir1 | fw_cfg_select(opaque, (uint16_t)value); |
274 | 3cce6243 | blueswir1 | } |
275 | 3cce6243 | blueswir1 | |
276 | c227f099 | Anthony Liguori | static uint32_t fw_cfg_mem_readb(void *opaque, target_phys_addr_t addr) |
277 | 3cce6243 | blueswir1 | { |
278 | 3cce6243 | blueswir1 | return fw_cfg_read(opaque);
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279 | 3cce6243 | blueswir1 | } |
280 | 3cce6243 | blueswir1 | |
281 | c227f099 | Anthony Liguori | static void fw_cfg_mem_writeb(void *opaque, target_phys_addr_t addr, |
282 | 3cce6243 | blueswir1 | uint32_t value) |
283 | 3cce6243 | blueswir1 | { |
284 | 7442511c | blueswir1 | fw_cfg_write(opaque, (uint8_t)value); |
285 | 3cce6243 | blueswir1 | } |
286 | 3cce6243 | blueswir1 | |
287 | c227f099 | Anthony Liguori | static void fw_cfg_mem_writew(void *opaque, target_phys_addr_t addr, |
288 | 3cce6243 | blueswir1 | uint32_t value) |
289 | 3cce6243 | blueswir1 | { |
290 | 3cce6243 | blueswir1 | fw_cfg_select(opaque, (uint16_t)value); |
291 | 3cce6243 | blueswir1 | } |
292 | 3cce6243 | blueswir1 | |
293 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const fw_cfg_ctl_mem_read[3] = { |
294 | 3cce6243 | blueswir1 | NULL,
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295 | 3cce6243 | blueswir1 | NULL,
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296 | 3cce6243 | blueswir1 | NULL,
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297 | 3cce6243 | blueswir1 | }; |
298 | 3cce6243 | blueswir1 | |
299 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const fw_cfg_ctl_mem_write[3] = { |
300 | 3cce6243 | blueswir1 | NULL,
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301 | 3cce6243 | blueswir1 | fw_cfg_mem_writew, |
302 | 3cce6243 | blueswir1 | NULL,
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303 | 3cce6243 | blueswir1 | }; |
304 | 3cce6243 | blueswir1 | |
305 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const fw_cfg_data_mem_read[3] = { |
306 | 3cce6243 | blueswir1 | fw_cfg_mem_readb, |
307 | 3cce6243 | blueswir1 | NULL,
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308 | 3cce6243 | blueswir1 | NULL,
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309 | 3cce6243 | blueswir1 | }; |
310 | 3cce6243 | blueswir1 | |
311 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const fw_cfg_data_mem_write[3] = { |
312 | 3cce6243 | blueswir1 | fw_cfg_mem_writeb, |
313 | 3cce6243 | blueswir1 | NULL,
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314 | 3cce6243 | blueswir1 | NULL,
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315 | 3cce6243 | blueswir1 | }; |
316 | 3cce6243 | blueswir1 | |
317 | 3a5c16fc | Blue Swirl | static void fw_cfg_reset(DeviceState *d) |
318 | 3cce6243 | blueswir1 | { |
319 | 3a5c16fc | Blue Swirl | FWCfgState *s = DO_UPCAST(FWCfgState, busdev.qdev, d); |
320 | 3cce6243 | blueswir1 | |
321 | 3cce6243 | blueswir1 | fw_cfg_select(s, 0);
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322 | 3cce6243 | blueswir1 | } |
323 | 3cce6243 | blueswir1 | |
324 | ff06108b | Juan Quintela | /* Save restore 32 bit int as uint16_t
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325 | ff06108b | Juan Quintela | This is a Big hack, but it is how the old state did it.
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326 | ff06108b | Juan Quintela | Or we broke compatibility in the state, or we can't use struct tm
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327 | ff06108b | Juan Quintela | */
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328 | ff06108b | Juan Quintela | |
329 | ff06108b | Juan Quintela | static int get_uint32_as_uint16(QEMUFile *f, void *pv, size_t size) |
330 | ff06108b | Juan Quintela | { |
331 | ff06108b | Juan Quintela | uint32_t *v = pv; |
332 | ff06108b | Juan Quintela | *v = qemu_get_be16(f); |
333 | ff06108b | Juan Quintela | return 0; |
334 | ff06108b | Juan Quintela | } |
335 | ff06108b | Juan Quintela | |
336 | ff06108b | Juan Quintela | static void put_unused(QEMUFile *f, void *pv, size_t size) |
337 | ff06108b | Juan Quintela | { |
338 | 66c80e75 | Vagrant Cascadian | fprintf(stderr, "uint32_as_uint16 is only used for backward compatibility.\n");
|
339 | ff06108b | Juan Quintela | fprintf(stderr, "This functions shouldn't be called.\n");
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340 | ff06108b | Juan Quintela | } |
341 | ff06108b | Juan Quintela | |
342 | d05ac8fa | Blue Swirl | static const VMStateInfo vmstate_hack_uint32_as_uint16 = { |
343 | ff06108b | Juan Quintela | .name = "int32_as_uint16",
|
344 | ff06108b | Juan Quintela | .get = get_uint32_as_uint16, |
345 | ff06108b | Juan Quintela | .put = put_unused, |
346 | ff06108b | Juan Quintela | }; |
347 | ff06108b | Juan Quintela | |
348 | ff06108b | Juan Quintela | #define VMSTATE_UINT16_HACK(_f, _s, _t) \
|
349 | ff06108b | Juan Quintela | VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_hack_uint32_as_uint16, uint32_t)
|
350 | ff06108b | Juan Quintela | |
351 | ff06108b | Juan Quintela | |
352 | ff06108b | Juan Quintela | static bool is_version_1(void *opaque, int version_id) |
353 | ff06108b | Juan Quintela | { |
354 | ff06108b | Juan Quintela | return version_id == 1; |
355 | ff06108b | Juan Quintela | } |
356 | ff06108b | Juan Quintela | |
357 | 7d2edd40 | Juan Quintela | static const VMStateDescription vmstate_fw_cfg = { |
358 | 7d2edd40 | Juan Quintela | .name = "fw_cfg",
|
359 | ff06108b | Juan Quintela | .version_id = 2,
|
360 | 7d2edd40 | Juan Quintela | .minimum_version_id = 1,
|
361 | 7d2edd40 | Juan Quintela | .minimum_version_id_old = 1,
|
362 | 7d2edd40 | Juan Quintela | .fields = (VMStateField []) { |
363 | 7d2edd40 | Juan Quintela | VMSTATE_UINT16(cur_entry, FWCfgState), |
364 | ff06108b | Juan Quintela | VMSTATE_UINT16_HACK(cur_offset, FWCfgState, is_version_1), |
365 | ff06108b | Juan Quintela | VMSTATE_UINT32_V(cur_offset, FWCfgState, 2),
|
366 | 7d2edd40 | Juan Quintela | VMSTATE_END_OF_LIST() |
367 | 7d2edd40 | Juan Quintela | } |
368 | 7d2edd40 | Juan Quintela | }; |
369 | 3cce6243 | blueswir1 | |
370 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_bytes(FWCfgState *s, uint16_t key, uint8_t *data, uint32_t len)
|
371 | 3cce6243 | blueswir1 | { |
372 | 3cce6243 | blueswir1 | int arch = !!(key & FW_CFG_ARCH_LOCAL);
|
373 | 3cce6243 | blueswir1 | |
374 | 3cce6243 | blueswir1 | key &= FW_CFG_ENTRY_MASK; |
375 | 3cce6243 | blueswir1 | |
376 | 3cce6243 | blueswir1 | if (key >= FW_CFG_MAX_ENTRY)
|
377 | 3cce6243 | blueswir1 | return 0; |
378 | 3cce6243 | blueswir1 | |
379 | 3cce6243 | blueswir1 | s->entries[arch][key].data = data; |
380 | 3cce6243 | blueswir1 | s->entries[arch][key].len = len; |
381 | 3cce6243 | blueswir1 | |
382 | 3cce6243 | blueswir1 | return 1; |
383 | 3cce6243 | blueswir1 | } |
384 | 3cce6243 | blueswir1 | |
385 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value)
|
386 | 3cce6243 | blueswir1 | { |
387 | 3cce6243 | blueswir1 | uint16_t *copy; |
388 | 3cce6243 | blueswir1 | |
389 | 7267c094 | Anthony Liguori | copy = g_malloc(sizeof(value));
|
390 | 3cce6243 | blueswir1 | *copy = cpu_to_le16(value); |
391 | c2b5bda4 | Gerd Hoffmann | return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value)); |
392 | 3cce6243 | blueswir1 | } |
393 | 3cce6243 | blueswir1 | |
394 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value)
|
395 | 3cce6243 | blueswir1 | { |
396 | 3cce6243 | blueswir1 | uint32_t *copy; |
397 | 3cce6243 | blueswir1 | |
398 | 7267c094 | Anthony Liguori | copy = g_malloc(sizeof(value));
|
399 | 3cce6243 | blueswir1 | *copy = cpu_to_le32(value); |
400 | c2b5bda4 | Gerd Hoffmann | return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value)); |
401 | 3cce6243 | blueswir1 | } |
402 | 3cce6243 | blueswir1 | |
403 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value)
|
404 | 3cce6243 | blueswir1 | { |
405 | 3cce6243 | blueswir1 | uint64_t *copy; |
406 | 3cce6243 | blueswir1 | |
407 | 7267c094 | Anthony Liguori | copy = g_malloc(sizeof(value));
|
408 | 3cce6243 | blueswir1 | *copy = cpu_to_le64(value); |
409 | c2b5bda4 | Gerd Hoffmann | return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value)); |
410 | 3cce6243 | blueswir1 | } |
411 | 3cce6243 | blueswir1 | |
412 | c2b5bda4 | Gerd Hoffmann | int fw_cfg_add_callback(FWCfgState *s, uint16_t key, FWCfgCallback callback,
|
413 | 3cce6243 | blueswir1 | void *callback_opaque, uint8_t *data, size_t len)
|
414 | 3cce6243 | blueswir1 | { |
415 | 3cce6243 | blueswir1 | int arch = !!(key & FW_CFG_ARCH_LOCAL);
|
416 | 3cce6243 | blueswir1 | |
417 | 85df0de4 | blueswir1 | if (!(key & FW_CFG_WRITE_CHANNEL))
|
418 | 85df0de4 | blueswir1 | return 0; |
419 | 85df0de4 | blueswir1 | |
420 | 3cce6243 | blueswir1 | key &= FW_CFG_ENTRY_MASK; |
421 | 3cce6243 | blueswir1 | |
422 | 85df0de4 | blueswir1 | if (key >= FW_CFG_MAX_ENTRY || len > 65535) |
423 | 3cce6243 | blueswir1 | return 0; |
424 | 3cce6243 | blueswir1 | |
425 | 3cce6243 | blueswir1 | s->entries[arch][key].data = data; |
426 | 3cce6243 | blueswir1 | s->entries[arch][key].len = len; |
427 | 3cce6243 | blueswir1 | s->entries[arch][key].callback_opaque = callback_opaque; |
428 | 3cce6243 | blueswir1 | s->entries[arch][key].callback = callback; |
429 | 3cce6243 | blueswir1 | |
430 | 3cce6243 | blueswir1 | return 1; |
431 | 3cce6243 | blueswir1 | } |
432 | 3cce6243 | blueswir1 | |
433 | de1f34cb | Gleb Natapov | int fw_cfg_add_file(FWCfgState *s, const char *filename, uint8_t *data, |
434 | de1f34cb | Gleb Natapov | uint32_t len) |
435 | abe147e0 | Gerd Hoffmann | { |
436 | de9352bc | Gerd Hoffmann | int i, index;
|
437 | abe147e0 | Gerd Hoffmann | |
438 | abe147e0 | Gerd Hoffmann | if (!s->files) {
|
439 | abe147e0 | Gerd Hoffmann | int dsize = sizeof(uint32_t) + sizeof(FWCfgFile) * FW_CFG_FILE_SLOTS; |
440 | 7267c094 | Anthony Liguori | s->files = g_malloc0(dsize); |
441 | abe147e0 | Gerd Hoffmann | fw_cfg_add_bytes(s, FW_CFG_FILE_DIR, (uint8_t*)s->files, dsize); |
442 | abe147e0 | Gerd Hoffmann | } |
443 | abe147e0 | Gerd Hoffmann | |
444 | abe147e0 | Gerd Hoffmann | index = be32_to_cpu(s->files->count); |
445 | abe147e0 | Gerd Hoffmann | if (index == FW_CFG_FILE_SLOTS) {
|
446 | abe147e0 | Gerd Hoffmann | fprintf(stderr, "fw_cfg: out of file slots\n");
|
447 | abe147e0 | Gerd Hoffmann | return 0; |
448 | abe147e0 | Gerd Hoffmann | } |
449 | abe147e0 | Gerd Hoffmann | |
450 | abe147e0 | Gerd Hoffmann | fw_cfg_add_bytes(s, FW_CFG_FILE_FIRST + index, data, len); |
451 | abe147e0 | Gerd Hoffmann | |
452 | de1f34cb | Gleb Natapov | pstrcpy(s->files->f[index].name, sizeof(s->files->f[index].name),
|
453 | de1f34cb | Gleb Natapov | filename); |
454 | de9352bc | Gerd Hoffmann | for (i = 0; i < index; i++) { |
455 | de9352bc | Gerd Hoffmann | if (strcmp(s->files->f[index].name, s->files->f[i].name) == 0) { |
456 | de9352bc | Gerd Hoffmann | FW_CFG_DPRINTF("%s: skip duplicate: %s\n", __FUNCTION__,
|
457 | de9352bc | Gerd Hoffmann | s->files->f[index].name); |
458 | de9352bc | Gerd Hoffmann | return 1; |
459 | de9352bc | Gerd Hoffmann | } |
460 | abe147e0 | Gerd Hoffmann | } |
461 | de9352bc | Gerd Hoffmann | |
462 | abe147e0 | Gerd Hoffmann | s->files->f[index].size = cpu_to_be32(len); |
463 | abe147e0 | Gerd Hoffmann | s->files->f[index].select = cpu_to_be16(FW_CFG_FILE_FIRST + index); |
464 | abe147e0 | Gerd Hoffmann | FW_CFG_DPRINTF("%s: #%d: %s (%d bytes)\n", __FUNCTION__,
|
465 | abe147e0 | Gerd Hoffmann | index, s->files->f[index].name, len); |
466 | abe147e0 | Gerd Hoffmann | |
467 | abe147e0 | Gerd Hoffmann | s->files->count = cpu_to_be32(index+1);
|
468 | abe147e0 | Gerd Hoffmann | return 1; |
469 | abe147e0 | Gerd Hoffmann | } |
470 | abe147e0 | Gerd Hoffmann | |
471 | 9e8dd451 | Jan Kiszka | static void fw_cfg_machine_ready(struct Notifier *n, void *data) |
472 | 962630f2 | Gleb Natapov | { |
473 | 962630f2 | Gleb Natapov | uint32_t len; |
474 | 962630f2 | Gleb Natapov | FWCfgState *s = container_of(n, FWCfgState, machine_ready); |
475 | 962630f2 | Gleb Natapov | char *bootindex = get_boot_devices_list(&len);
|
476 | 962630f2 | Gleb Natapov | |
477 | 962630f2 | Gleb Natapov | fw_cfg_add_file(s, "bootorder", (uint8_t*)bootindex, len);
|
478 | 962630f2 | Gleb Natapov | } |
479 | 962630f2 | Gleb Natapov | |
480 | c2b5bda4 | Gerd Hoffmann | FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port, |
481 | c2b5bda4 | Gerd Hoffmann | target_phys_addr_t ctl_addr, target_phys_addr_t data_addr) |
482 | 3cce6243 | blueswir1 | { |
483 | 3a5c16fc | Blue Swirl | DeviceState *dev; |
484 | 3a5c16fc | Blue Swirl | SysBusDevice *d; |
485 | 3cce6243 | blueswir1 | FWCfgState *s; |
486 | 3cce6243 | blueswir1 | |
487 | 3a5c16fc | Blue Swirl | dev = qdev_create(NULL, "fw_cfg"); |
488 | 3a5c16fc | Blue Swirl | qdev_prop_set_uint32(dev, "ctl_iobase", ctl_port);
|
489 | 3a5c16fc | Blue Swirl | qdev_prop_set_uint32(dev, "data_iobase", data_port);
|
490 | 3a5c16fc | Blue Swirl | qdev_init_nofail(dev); |
491 | 3a5c16fc | Blue Swirl | d = sysbus_from_qdev(dev); |
492 | 3a5c16fc | Blue Swirl | |
493 | 3a5c16fc | Blue Swirl | s = DO_UPCAST(FWCfgState, busdev.qdev, dev); |
494 | 3cce6243 | blueswir1 | |
495 | 3cce6243 | blueswir1 | if (ctl_addr) {
|
496 | 3a5c16fc | Blue Swirl | sysbus_mmio_map(d, 0, ctl_addr);
|
497 | 3cce6243 | blueswir1 | } |
498 | 3cce6243 | blueswir1 | if (data_addr) {
|
499 | 3a5c16fc | Blue Swirl | sysbus_mmio_map(d, 1, data_addr);
|
500 | 3cce6243 | blueswir1 | } |
501 | 3cce6243 | blueswir1 | fw_cfg_add_bytes(s, FW_CFG_SIGNATURE, (uint8_t *)"QEMU", 4); |
502 | 084a197a | blueswir1 | fw_cfg_add_bytes(s, FW_CFG_UUID, qemu_uuid, 16);
|
503 | 993fbfdb | Anthony Liguori | fw_cfg_add_i16(s, FW_CFG_NOGRAPHIC, (uint16_t)(display_type == DT_NOGRAPHIC)); |
504 | 905fdcb5 | blueswir1 | fw_cfg_add_i16(s, FW_CFG_NB_CPUS, (uint16_t)smp_cpus); |
505 | 6be68d7e | Jes Sorensen | fw_cfg_add_i16(s, FW_CFG_MAX_CPUS, (uint16_t)max_cpus); |
506 | 95387491 | Jan Kiszka | fw_cfg_add_i16(s, FW_CFG_BOOT_MENU, (uint16_t)boot_menu); |
507 | 3d3b8303 | wayne | fw_cfg_bootsplash(s); |
508 | 962630f2 | Gleb Natapov | |
509 | 962630f2 | Gleb Natapov | s->machine_ready.notify = fw_cfg_machine_ready; |
510 | 962630f2 | Gleb Natapov | qemu_add_machine_init_done_notifier(&s->machine_ready); |
511 | 962630f2 | Gleb Natapov | |
512 | 3cce6243 | blueswir1 | return s;
|
513 | 3cce6243 | blueswir1 | } |
514 | 3a5c16fc | Blue Swirl | |
515 | 3a5c16fc | Blue Swirl | static int fw_cfg_init1(SysBusDevice *dev) |
516 | 3a5c16fc | Blue Swirl | { |
517 | 3a5c16fc | Blue Swirl | FWCfgState *s = FROM_SYSBUS(FWCfgState, dev); |
518 | 3a5c16fc | Blue Swirl | int io_ctl_memory, io_data_memory;
|
519 | 3a5c16fc | Blue Swirl | |
520 | 3a5c16fc | Blue Swirl | io_ctl_memory = cpu_register_io_memory(fw_cfg_ctl_mem_read, |
521 | 2507c12a | Alexander Graf | fw_cfg_ctl_mem_write, s, |
522 | 2507c12a | Alexander Graf | DEVICE_NATIVE_ENDIAN); |
523 | 3a5c16fc | Blue Swirl | sysbus_init_mmio(dev, FW_CFG_SIZE, io_ctl_memory); |
524 | 3a5c16fc | Blue Swirl | |
525 | 3a5c16fc | Blue Swirl | io_data_memory = cpu_register_io_memory(fw_cfg_data_mem_read, |
526 | 2507c12a | Alexander Graf | fw_cfg_data_mem_write, s, |
527 | 2507c12a | Alexander Graf | DEVICE_NATIVE_ENDIAN); |
528 | 3a5c16fc | Blue Swirl | sysbus_init_mmio(dev, FW_CFG_SIZE, io_data_memory); |
529 | 3a5c16fc | Blue Swirl | |
530 | 3a5c16fc | Blue Swirl | if (s->ctl_iobase) {
|
531 | 3a5c16fc | Blue Swirl | register_ioport_write(s->ctl_iobase, 2, 2, fw_cfg_io_writew, s); |
532 | 3a5c16fc | Blue Swirl | } |
533 | 3a5c16fc | Blue Swirl | if (s->data_iobase) {
|
534 | 3a5c16fc | Blue Swirl | register_ioport_read(s->data_iobase, 1, 1, fw_cfg_io_readb, s); |
535 | 3a5c16fc | Blue Swirl | register_ioport_write(s->data_iobase, 1, 1, fw_cfg_io_writeb, s); |
536 | 3a5c16fc | Blue Swirl | } |
537 | 3a5c16fc | Blue Swirl | return 0; |
538 | 3a5c16fc | Blue Swirl | } |
539 | 3a5c16fc | Blue Swirl | |
540 | 3a5c16fc | Blue Swirl | static SysBusDeviceInfo fw_cfg_info = {
|
541 | 3a5c16fc | Blue Swirl | .init = fw_cfg_init1, |
542 | 3a5c16fc | Blue Swirl | .qdev.name = "fw_cfg",
|
543 | 3a5c16fc | Blue Swirl | .qdev.size = sizeof(FWCfgState),
|
544 | 3a5c16fc | Blue Swirl | .qdev.vmsd = &vmstate_fw_cfg, |
545 | 3a5c16fc | Blue Swirl | .qdev.reset = fw_cfg_reset, |
546 | 3a5c16fc | Blue Swirl | .qdev.no_user = 1,
|
547 | 3a5c16fc | Blue Swirl | .qdev.props = (Property[]) { |
548 | 3a5c16fc | Blue Swirl | DEFINE_PROP_HEX32("ctl_iobase", FWCfgState, ctl_iobase, -1), |
549 | 3a5c16fc | Blue Swirl | DEFINE_PROP_HEX32("data_iobase", FWCfgState, data_iobase, -1), |
550 | 3a5c16fc | Blue Swirl | DEFINE_PROP_END_OF_LIST(), |
551 | 3a5c16fc | Blue Swirl | }, |
552 | 3a5c16fc | Blue Swirl | }; |
553 | 3a5c16fc | Blue Swirl | |
554 | 3a5c16fc | Blue Swirl | static void fw_cfg_register_devices(void) |
555 | 3a5c16fc | Blue Swirl | { |
556 | 3a5c16fc | Blue Swirl | sysbus_register_withprop(&fw_cfg_info); |
557 | 3a5c16fc | Blue Swirl | } |
558 | 3a5c16fc | Blue Swirl | |
559 | 3a5c16fc | Blue Swirl | device_init(fw_cfg_register_devices) |