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[/] [ao486/] [trunk/] [bochsDevs/] [main.cpp] - Blame information for rev 5

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Line No. Rev Author Line
1 2 alfik 
 
2 
#include <cstdio>
3 
#include <cstdlib>
4 
 
5 
#include <dlfcn.h>
6 
 
7 
#include <sys/mman.h>
8 
#include <sys/types.h>
9 
#include <sys/stat.h>
10 
#include <fcntl.h>
11 
#include <unistd.h>
12 
 
13 
#include "shared_mem.h"
14 
 
15 
#include "bochs.h"
16 
#include "plugin.h"
17 
#include "extplugin.h"
18 
#include "iodev/iodev.h"
19 
#include "iodev/virt_timer.h"
20 
 
21 
//------------------------------------------------------------------------------
22 
//------------------------------------------------------------------------------
23 
//------------------------------------------------------------------------------
24 
 
25 
volatile shared_mem_t *shared_ptr = NULL;
26 
 
27 
//------------------------------------------------------------------------------
28 
//------------------------------------------------------------------------------
29 
//------------------------------------------------------------------------------
30 
 
31 
ioWriteHandler_t io_write_handlers[65537];
32 
void *           io_write_this    [65537];
33 
uint8            io_write_mask    [65537];
34 
ioReadHandler_t  io_read_handlers [65537];
35 
void *           io_read_this     [65537];
36 
uint8            io_read_mask     [65537];
37 
 
38 
void  (*pluginRegisterIRQ)(unsigned irq, const char* name) = 0;
39 
 
40 
int (*pluginRegisterIOReadHandler)(void *thisPtr, ioReadHandler_t callback,
41 
                            unsigned base, const char *name, Bit8u mask) = 0;
42 
int (*pluginRegisterIOWriteHandler)(void *thisPtr, ioWriteHandler_t callback,
43 
                             unsigned base, const char *name, Bit8u mask) = 0;
44 
int (*pluginRegisterDefaultIOReadHandler)(void *thisPtr, ioReadHandler_t callback,
45 
                            const char *name, Bit8u mask) = 0;
46 
int (*pluginRegisterDefaultIOWriteHandler)(void *thisPtr, ioWriteHandler_t callback,
47 
                             const char *name, Bit8u mask) = 0;
48 
 
49 
static void
50 
builtinRegisterIRQ(unsigned irq, const char* name)
51 
{
52 
//bx_devices.register_irq(irq, name);
53 
printf("builtinRegisterIRQ(%d, %s)\n", irq, name);
54 
}
55 
 
56 
static int
57 
builtinRegisterIOReadHandler(void *thisPtr, ioReadHandler_t callback,
58 
                            unsigned base, const char *name, Bit8u mask)
59 
{
60 
//  int ret;
61 
//  BX_ASSERT(mask<8);
62 
//  ret = bx_devices.register_io_read_handler (thisPtr, callback, base, name, mask);
63 
//  pluginlog->ldebug("plugin %s registered I/O read  address at %04x", name, base);
64 
//  return ret;
65 
 
66 
printf("builtinRegisterIOReadHandler: %s %04x %d\n", name, base, mask);
67 
    io_read_handlers[base] = callback;
68 
    io_read_mask[base]     = mask;
69 
    io_read_this[base]     = thisPtr;
70 
 
71 
    return 1;
72 
}
73 
 
74 
static int
75 
builtinRegisterIOWriteHandler(void *thisPtr, ioWriteHandler_t callback,
76 
                             unsigned base, const char *name, Bit8u mask)
77 
{
78 
//  int ret;
79 
//  BX_ASSERT(mask<8);
80 
//  ret = bx_devices.register_io_write_handler (thisPtr, callback, base, name, mask);
81 
//  pluginlog->ldebug("plugin %s registered I/O write address at %04x", name, base);
82 
//  return ret;
83 
 
84 
printf("builtinRegisterIOWriteHandler: %s %04x %d\n", name, base, mask);
85 
    io_write_handlers[base] = callback;
86 
    io_write_mask[base]     = mask;
87 
    io_write_this[base]     = thisPtr;
88 
 
89 
    return 1;
90 
}
91 
 
92 
static int
93 
builtinRegisterDefaultIOReadHandler(void *thisPtr, ioReadHandler_t callback,
94 
                            const char *name, Bit8u mask)
95 
{
96 
//  BX_ASSERT(mask<8);
97 
//  bx_devices.register_default_io_read_handler (thisPtr, callback, name, mask);
98 
//  pluginlog->ldebug("plugin %s registered default I/O read ", name);
99 
printf("builtinRegisterDefaultIOReadHandler: %s %x\n", name, mask);
100 
    io_read_handlers[65536] = callback;
101 
    io_read_mask[65536]     = mask;
102 
    io_read_this[65536]     = thisPtr;
103 
 
104 
    return 1;
105 
}
106 
 
107 
static int
108 
builtinRegisterDefaultIOWriteHandler(void *thisPtr, ioWriteHandler_t callback,
109 
                             const char *name, Bit8u mask)
110 
{
111 
//  BX_ASSERT(mask<8);
112 
//  bx_devices.register_default_io_write_handler (thisPtr, callback, name, mask);
113 
//  pluginlog->ldebug("plugin %s registered default I/O write ", name);
114 
printf("builtinRegisterDefaultIOWriteHandler: %s %x\n", name, mask);
115 
    io_write_handlers[65536] = callback;
116 
    io_write_mask[65536]     = mask;
117 
    io_write_this[65536]     = thisPtr;
118 
 
119 
    return 1;
120 
}
121 
 
122 
void pluginRegisterDeviceDevmodel(plugin_t *plugin, plugintype_t type, bx_devmodel_c *devmodel, const char *name) {
123 
printf("pluginRegisterDeviceDevmodel() for %s\n", name);
124 
 
125 
devmodel->init();
126 
}
127 
 
128 
//------------------------------------------------------------------------------
129 
//------------------------------------------------------------------------------
130 
//------------------------------------------------------------------------------ SIM
131 
 
132 
const char *enum_choices[] = { "0_choice", "1_choice", NULL };
133 
 
134 
#define BOCHS_DEVS_IPS 480000
135 
 
136 
BxEvent *callback(void *theclass, BxEvent *event) {
137 
printf("bochsDevs::callback()\n");
138 
    return event;
139 
}
140 
 
141 
bxevent_handler bxevent_callback      = callback;
142 
void *          bxevent_callback_data = NULL;
143 
 
144 
class bochsDevs_sim : public bx_simulator_interface_c {
145 
 
146 
    bx_param_bool_c *get_param_bool(const char *pname, bx_param_c *base) {
147 
printf("bochsDevs_sim::get_param_bool(%s, base=%s)\n", pname, (base==NULL)? "(nil)" : (base->get_name() == NULL)? "(nill name)" : base->get_name());
148 
 
149 
        if(base != NULL) {
150 
            bx_param_c *param = ((bx_list_c *)base)->get_by_name(pname);
151 
            return (bx_param_bool_c *)param;
152 
        }
153 
 
154 
        if(strcmp(pname, BXPN_PORT_E9_HACK) == 0)           return new bx_param_bool_c(NULL, "port_e9_hack", "", "", 0);
155 
        if(strcmp(pname, BXPN_CMOSIMAGE_ENABLED) == 0)      return new bx_param_bool_c(NULL, "enabled",      "", "", 0);
156 
 
157 
        if(strcmp(pname, BXPN_FLOPPYSIGCHECK) == 0)         return new bx_param_bool_c(NULL, "floppy_sig_check", "", "", 0);
158 
        if(strcmp(pname, BXPN_PCI_ENABLED) == 0)            return new bx_param_bool_c(NULL, "enabled",          "", "", 0);
159 
 
160 
        if(strcmp(pname, BXPN_PRIVATE_COLORMAP) == 0)       return new bx_param_bool_c(NULL, "private_colormap", "", "", 0);
161 
 
162 
        if(strcmp(pname, BXPN_KBD_USEMAPPING) == 0)         return new bx_param_bool_c(NULL, "use_mapping", "", "", 0);
163 
 
164 
        if(strcmp(pname, BXPN_MOUSE_ENABLED) == 0)          return new bx_param_bool_c(NULL, "enabled", "", "", 0);
165 
 
166 
        return NULL;
167 
    }
168 
    bx_param_string_c *get_param_string(const char *pname, bx_param_c *base) {
169 
printf("bochsDevs_sim::get_param_string(%s, base=%s)\n", pname, (base==NULL)? "(nil)" : (base->get_name() == NULL)? "(nill name)" : base->get_name());
170 
 
171 
        if(base != NULL) {
172 
            bx_param_c *param = ((bx_list_c *)base)->get_by_name(pname);
173 
            return (bx_param_string_c *)param;
174 
        }
175 
 
176 
        if(strcmp(pname, BXPN_VGA_EXTENSION) == 0)          return new bx_param_string_c(NULL, "vga_extension",      "", "", "none");
177 
        if(strcmp(pname, BXPN_DISPLAYLIB_OPTIONS) == 0)     return new bx_param_string_c(NULL, "displaylib_options", "", "", "");
178 
 
179 
        if(strcmp(pname, BXPN_VGA_ROM_PATH) == 0)     return new bx_param_string_c(NULL, "path", "", "", "");
180 
 
181 
        return NULL;
182 
    }
183 
    bx_param_enum_c *get_param_enum(const char *pname, bx_param_c *base) {
184 
printf("bochsDevs_sim::get_param_enum(%s, base=%s)\n", pname, (base==NULL)? "(nil)" : (base->get_name() == NULL)? "(nill name)" : base->get_name());
185 
 
186 
        if(base != NULL) {
187 
            bx_param_c *param = ((bx_list_c *)base)->get_by_name(pname);
188 
            return (bx_param_enum_c *)param;
189 
        }
190 
 
191 
        if(strcmp(pname, BXPN_CLOCK_SYNC) == 0)       return new bx_param_enum_c(NULL, "clock_sync", "", "", enum_choices, 0);
192 
 
193 
        if(strcmp(pname, BXPN_FLOPPYA_DEVTYPE) == 0)  return new bx_param_enum_c(NULL, "devtype", "", "", enum_choices, 0);
194 
        if(strcmp(pname, BXPN_FLOPPYA_TYPE) == 0)     return new bx_param_enum_c(NULL, "type",    "", "", enum_choices, 0);
195 
        if(strcmp(pname, BXPN_FLOPPYA_STATUS) == 0)   return new bx_param_enum_c(NULL, "status",  "", "", enum_choices, 0);
196 
 
197 
        if(strcmp(pname, BXPN_FLOPPYB_DEVTYPE) == 0)  return new bx_param_enum_c(NULL, "devtype", "", "", enum_choices, 0);
198 
        if(strcmp(pname, BXPN_FLOPPYB_TYPE) == 0)     return new bx_param_enum_c(NULL, "type",    "", "", enum_choices, 0);
199 
        if(strcmp(pname, BXPN_FLOPPYB_STATUS) == 0)   return new bx_param_enum_c(NULL, "status",  "", "", enum_choices, 0);
200 
 
201 
        if(strcmp(pname, BXPN_BOOTDRIVE1) == 0)       return new bx_param_enum_c(NULL, "boot_drive1", "", "", enum_choices, BX_BOOT_FLOPPYA);
202 
        if(strcmp(pname, BXPN_BOOTDRIVE2) == 0)       return new bx_param_enum_c(NULL, "boot_drive2", "", "", enum_choices, BX_BOOT_FLOPPYA);
203 
        if(strcmp(pname, BXPN_BOOTDRIVE3) == 0)       return new bx_param_enum_c(NULL, "boot_drive3", "", "", enum_choices, BX_BOOT_FLOPPYA);
204 
 
205 
        if(strcmp(pname, BXPN_MOUSE_TYPE) == 0)       return new bx_param_enum_c(NULL, "type", "", "", enum_choices, BX_MOUSE_TYPE_PS2);
206 
 
207 
        if(strcmp(pname, BXPN_MOUSE_TOGGLE) == 0)      return new bx_param_enum_c(NULL, "toggle", "", "", enum_choices, BX_MOUSE_TOGGLE_CTRL_F10);
208 
 
209 
        if(strcmp(pname, BXPN_KBD_TYPE) == 0)         return new bx_param_enum_c(NULL, "type", "", "", enum_choices, BX_KBD_AT_TYPE);
210 
 
211 
        return NULL;
212 
    }
213 
    bx_param_num_c *get_param_num(const char *pname, bx_param_c *base) {
214 
printf("bochsDevs_sim::get_param_num(%s, base=%s)\n", pname, (base==NULL)? "(nil)" : (base->get_name() == NULL)? "(nill name)" : base->get_name());
215 
 
216 
        if(base != NULL) {
217 
            bx_param_c *param = ((bx_list_c *)base)->get_by_name(pname);
218 
            return (bx_param_num_c *)param;
219 
        }
220 
 
221 
        if(strcmp(pname, BXPN_CLOCK_TIME0) == 0)  return new bx_param_num_c(NULL, "time0",   "", "", 100,100,100);
222 
 
223 
        if(strcmp(pname, BXPN_KBD_SERIAL_DELAY) == 0) return new bx_param_num_c(NULL, "serial_delay",   "", "", 100,100,100);
224 
        if(strcmp(pname, BXPN_KBD_PASTE_DELAY) == 0)  return new bx_param_num_c(NULL, "paste_delay",   "", "", 100,100,100);
225 
        if(strcmp(pname, BXPN_MOUSE_ENABLED) == 0)    return new bx_param_num_c(NULL, "enabled",   "", "", 1,1,1);
226 
 
227 
        if(strcmp(pname, BXPN_VGA_UPDATE_FREQUENCY) == 0)   return new bx_param_num_c(NULL, "vga_update_frequency",   "", "", 500000,500000,500000);
228 
 
229 
        if(strcmp(pname, BXPN_IPS) == 0)   return new bx_param_num_c(NULL, "ips",   "", "", BOCHS_DEVS_IPS, BOCHS_DEVS_IPS, BOCHS_DEVS_IPS);
230 
        return NULL;
231 
    }
232 
    bx_param_c *get_param(const char *pname, bx_param_c *base=NULL) {
233 
        if(strcmp(pname, BXPN_ATA0_RES) == 0) {
234 
            bx_list_c *list = new bx_list_c(NULL);
235 
            list->add(new bx_param_bool_c(NULL, "enabled", "", "", 1));
236 
            list->add(new bx_param_num_c(NULL,  "ioaddr1", "", "", 0x1f0,0x1f0,0x1f0));
237 
            list->add(new bx_param_num_c(NULL,  "ioaddr2", "", "", 0x3f0,0x3f0,0x3f0));
238 
            list->add(new bx_param_num_c(NULL,  "irq",     "", "", 14,14,14));
239 
            return list;
240 
        }
241 
        if(strcmp(pname, BXPN_ATA1_RES) == 0 || strcmp(pname, BXPN_ATA2_RES) == 0 || strcmp(pname, BXPN_ATA3_RES) == 0) {
242 
            bx_list_c *list = new bx_list_c(NULL);
243 
            list->add(new bx_param_bool_c(NULL, "enabled", "", "", 0));
244 
            return list;
245 
        }
246 
        if(strcmp(pname, BXPN_FLOPPYA) == 0 || strcmp(pname, BXPN_FLOPPYB) == 0) {
247 
            bx_list_c *list = new bx_list_c(NULL);
248 
            list->add(new bx_param_enum_c(NULL,   "status",   "", "", enum_choices, 0));
249 
            list->add(new bx_param_bool_c(NULL,   "readonly", "", "", 1));
250 
            list->add(new bx_param_string_c(NULL, "path",     "", "", "none"));
251 
            return list;
252 
        }
253 
        if(strcmp(pname, BXPN_ATA0_MASTER) == 0) {
254 
            bx_list_c *list = new bx_list_c(NULL);
255 
            list->add(new bx_param_enum_c(NULL,   "type",        "", "", enum_choices, BX_ATA_DEVICE_DISK));
256 
            list->add(new bx_param_string_c(NULL, "model",       "", "", "HDmodel"));
257 
            list->add(new bx_param_num_c(NULL,    "cylinders",   "", "", 1024,1024,1024));
258 
            list->add(new bx_param_num_c(NULL,    "heads",       "", "", 16,16,16));
259 
            list->add(new bx_param_num_c(NULL,    "spt",         "", "", 63,63,63));
260 
            list->add(new bx_param_enum_c(NULL,   "mode",        "", "", enum_choices, BX_HDIMAGE_MODE_FLAT));
261 
            list->add(new bx_param_string_c(NULL, "path",        "", "", "/home/alek/temp/bochs-run/hd.img"));
262 
            list->add(new bx_param_string_c(NULL, "journal",     "", "", ""));
263 
            list->add(new bx_param_enum_c(NULL,   "translation", "", "", enum_choices, BX_ATA_TRANSLATION_NONE));
264 
            return list;
265 
        }
266 
        if(strcmp(pname, BXPN_ATA1_MASTER) == 0 || strcmp(pname, BXPN_ATA2_MASTER) == 0 || strcmp(pname, BXPN_ATA3_MASTER) == 0 ||
267 
           strcmp(pname, BXPN_ATA0_SLAVE) == 0  || strcmp(pname, BXPN_ATA1_SLAVE) == 0  || strcmp(pname, BXPN_ATA2_SLAVE) == 0  || strcmp(pname, BXPN_ATA3_SLAVE) == 0)
268 
        {
269 
            bx_list_c *list = new bx_list_c(NULL);
270 
            list->add(new bx_param_enum_c(NULL, "type", "", "", enum_choices, BX_ATA_DEVICE_NONE));
271 
            return list;
272 
        }
273 
        return NULL;
274 
    }
275 
    void set_notify_callback(bxevent_handler func, void *arg) {
276 
        bxevent_callback = func;
277 
        bxevent_callback_data = arg;
278 
    }
279 
 
280 
    void get_notify_callback(bxevent_handler *func, void **arg) {
281 
        *func = bxevent_callback;
282 
        *arg = bxevent_callback_data;
283 
    }
284 
};
285 
 
286 
bx_simulator_interface_c *SIM;
287 
 
288 
//------------------------------------------------------------------------------
289 
//------------------------------------------------------------------------------
290 
//------------------------------------------------------------------------------ logfunctions
291 
 
292 
void logfunctions::panic(const char *fmt, ...) {
293 
    printf("#bochsDevs::logfunctions::panic(): ");
294 
 
295 
    va_list ap;
296 
    va_start(ap, fmt);
297 
    vprintf(fmt, ap);
298 
    va_end(ap);
299 
 
300 
    printf("\n");
301 
    fflush(stdout);
302 
 
303 
    if(strstr(fmt, "exception with no resolution") != NULL) {
304 
        printf("start_shutdown: 0\n");
305 
        printf("\n");
306 
        fflush(stdout);
307 
        exit(0);
308 
    }
309 
    else {
310 
        exit(-1);
311 
    }
312 
}
313 
void logfunctions::error(const char *fmt, ...) {
314 
    printf("#bochsDevs::logfunctions::error(): ");
315 
 
316 
    va_list ap;
317 
    va_start(ap, fmt);
318 
    vprintf(fmt, ap);
319 
    va_end(ap);
320 
 
321 
    printf("\n");
322 
    fflush(stdout);
323 
}
324 
void logfunctions::ldebug(const char *fmt, ...) {
325 
    printf("#bochsDevs::logfunctions::debug(): ");
326 
 
327 
    va_list ap;
328 
    va_start(ap, fmt);
329 
    vprintf(fmt, ap);
330 
    va_end(ap);
331 
 
332 
    printf("\n");
333 
    fflush(stdout);
334 
}
335 
void logfunctions::info(const char *fmt, ...) {
336 
    printf("#bochsDevs::logfunctions::info(): ");
337 
 
338 
    va_list ap;
339 
    va_start(ap, fmt);
340 
    vprintf(fmt, ap);
341 
    va_end(ap);
342 
 
343 
    printf("\n");
344 
    fflush(stdout);
345 
}
346 
void logfunctions::put(const char *n, const char *p) {
347 
}
348 
void logfunctions::put(const char *p) {
349 
}
350 
logfunctions::logfunctions() {
351 
}
352 
logfunctions::~logfunctions() {
353 
}
354 
 
355 
static logfunctions theLog;
356 
logfunctions *pluginlog         = &theLog;
357 
logfunctions *siminterface_log  = &theLog;
358 
logfunctions *genlog            = &theLog;
359 
 
360 
//------------------------------------------------------------------------------
361 
//------------------------------------------------------------------------------
362 
//------------------------------------------------------------------------------ menu
363 
 
364 
void bx_param_string_c::text_print(FILE *fp) {
365 
printf("#bochsDevs::bx_param_string_c::text_print()\n");
366 
}
367 
void bx_param_enum_c::text_print(FILE *fp) {
368 
printf("bochsDevs::bx_param_enum_c::text_print()\n");
369 
}
370 
void bx_param_bool_c::text_print(FILE *fp) {
371 
printf("bochsDevs::bx_param_bool_c::text_print()\n");
372 
}
373 
void bx_param_num_c::text_print(FILE *fp) {
374 
printf("bochsDevs::bx_param_num_c::text_print()\n");
375 
}
376 
void bx_list_c::text_print(FILE *fp) {
377 
printf("bochsDevs::bx_list_c::text_print()\n");
378 
}
379 
int bx_param_enum_c::text_ask(FILE *fpin, FILE *fpout) {
380 
printf("bochsDevs::bx_param_enum_c::text_ask()\n");
381 
    return 0;
382 
}
383 
int bx_param_bool_c::text_ask(FILE *fpin, FILE *fpout) {
384 
printf("bochsDevs::bx_param_bool_c::text_ask()\n");
385 
    return 0;
386 
}
387 
int bx_param_num_c::text_ask(FILE *fpin, FILE *fpout) {
388 
printf("bochsDevs::bx_param_num_c::text_ask()\n");
389 
    return 0;
390 
}
391 
int bx_param_string_c::text_ask(FILE *fpin, FILE *fpout) {
392 
printf("bochsDevs::bx_param_string_c::text_ask()\n");
393 
    return 0;
394 
}
395 
int bx_list_c::text_ask(FILE *fpin, FILE *fpout) {
396 
printf("bochsDevs::bx_list_c::text_ask()\n");
397 
    return 0;
398 
}
399 
 
400 
bx_list_c *root_param = NULL;
401 
 
402 
//------------------------------------------------------------------------------
403 
//------------------------------------------------------------------------------
404 
//------------------------------------------------------------------------------ memory
405 
 
406 
memory_handler_t vga_read_memory  = NULL;
407 
memory_handler_t vga_write_memory = NULL;
408 
void *           vga_param        = NULL;
409 
 
410 
BX_MEM_C::BX_MEM_C() {
411 
}
412 
BX_MEM_C::~BX_MEM_C() {
413 
}
414 
 
415 
void BX_MEM_C::dmaReadPhysicalPage(bx_phy_address addr, unsigned len, Bit8u *data)  {
416 
printf("bochsDevs::BX_MEM_C::dmaReadPhysicalPage()\n");
417 
 
418 
    memcpy(data, (void *)(shared_ptr->mem.bytes + addr), len);
419 
}
420 
 
421 
void BX_MEM_C::dmaWritePhysicalPage(bx_phy_address addr, unsigned len, Bit8u *data) {
422 
printf("bochsDevs::BX_MEM_C::dmaWritePhysicalPage()\n");
423 
 
424 
    memcpy((void *)(shared_ptr->mem.bytes + addr), data, len);
425 
}
426 
 
427 
bx_bool
428 
BX_MEM_C::registerMemoryHandlers(void *param, memory_handler_t read_handler,
429 
                memory_handler_t write_handler, memory_direct_access_handler_t da_handler,
430 
                bx_phy_address begin_addr, bx_phy_address end_addr)
431 
{
432 
printf("bochsDevs::BX_MEM_C::registerMemoryHandlers(): %llx %llx\n", begin_addr, end_addr);
433 
    if(da_handler != NULL) {
434 
        printf("bochsDevs::da_handler != NULL\n");
435 
        exit(-1);
436 
    }
437 
    if(begin_addr != 0xA0000 || end_addr != 0xBFFFF) {
438 
        printf("bochsDevs::invalid address\n");
439 
        exit(-1);
440 
    }
441 
 
442 
    vga_read_memory = read_handler;
443 
    vga_write_memory= write_handler;
444 
    vga_param       = param;
445 
 
446 
return 1;
447 
}
448 
 
449 
void BX_MEM_C::load_ROM(const char *path, bx_phy_address romaddress, Bit8u type) {
450 
printf("bochsDevs::BX_MEM_C::load_ROM()\n");
451 
}
452 
 
453 
BX_MEM_C bx_mem;
454 
 
455 
 
456 
//------------------------------------------------------------------------------
457 
//------------------------------------------------------------------------------
458 
//------------------------------------------------------------------------------
459 
 
460 
bx_bool bx_dbg_register_debug_info(const char *devname, void *dev) {
461 
printf("bochsDevs::bx_dbg_register_debug_info() %s\n", devname);
462 
return true;
463 
}
464 
 
465 
void dbg_printf(const char *fmt, ...) {
466 
printf("bochsDevs::dbg_printf(%s)\n", fmt);
467 
}
468 
 
469 
void bx_dbg_dma_report(bx_phy_address addr, unsigned len, unsigned what, Bit32u val) {
470 
printf("bochsDevs::bx_dbg_dma_report()\n");
471 
}
472 
 
473 
void bx_dbg_iac_report(unsigned vector, unsigned irq) {
474 
printf("bochsDevs::bx_dbg_iac_report()\n");
475 
}
476 
 
477 
void bx_debug_break() {
478 
printf("bochsDevs::bx_debug_break()\n");
479 
}
480 
 
481 
bx_guard_t bx_guard;
482 
 
483 
//------------------------------------------------------------------------------
484 
//------------------------------------------------------------------------------
485 
//------------------------------------------------------------------------------
486 
 
487 
#define MinAllowableTimerPeriod 1
488 
 
489 
const Bit64u bx_pc_system_c::NullTimerInterval = 0xffffffff;
490 
 
491 
bx_pc_system_c::bx_pc_system_c() {
492 
  this->put("pc_system", "SYS");
493 
 
494 
  BX_ASSERT(numTimers == 0);
495 
 
496 
  // Timer[0] is the null timer.  It is initialized as a special
497 
  // case here.  It should never be turned off or modified, and its
498 
  // duration should always remain the same.
499 
  ticksTotal = 0; // Reset ticks since emulator started.
500 
  timer[0].inUse      = 1;
501 
  timer[0].period     = NullTimerInterval;
502 
  timer[0].active     = 1;
503 
  timer[0].continuous = 1;
504 
  timer[0].funct      = nullTimer;
505 
  timer[0].this_ptr   = this;
506 
  numTimers = 1; // So far, only the nullTimer.
507 
 
508 
  //initialize()
509 
  ticksTotal = 0;
510 
  timer[0].timeToFire = NullTimerInterval;
511 
  currCountdown       = NullTimerInterval;
512 
  currCountdownPeriod = NullTimerInterval;
513 
  lastTimeUsec = 0;
514 
  usecSinceLast = 0;
515 
  triggeredTimer = 0;
516 
  HRQ = 0;
517 
  kill_bochs_request = 0;
518 
 
519 
  // parameter 'ips' is the processor speed in Instructions-Per-Second
520 
  m_ips = BOCHS_DEVS_IPS / 1000000.0L;
521 
}
522 
 
523 
void bx_pc_system_c::nullTimer(void* this_ptr) {
524 
}
525 
 
526 
int bx_pc_system_c::register_timer_ticks(void* this_ptr, bx_timer_handler_t funct,
527 
    Bit64u ticks, bx_bool continuous, bx_bool active, const char *id)
528 
{
529 
  unsigned i;
530 
 
531 
  // If the timer frequency is rediculously low, make it more sane.
532 
  // This happens when 'ips' is too low.
533 
  if (ticks < MinAllowableTimerPeriod) {
534 
    //BX_INFO(("register_timer_ticks: adjusting ticks of %llu to min of %u",
535 
    //          ticks, MinAllowableTimerPeriod));
536 
    ticks = MinAllowableTimerPeriod;
537 
  }
538 
 
539 
  // search for new timer for i=1, i=0 is reserved for NullTimer
540 
  for (i=1; i < numTimers; i++) {
541 
    if (timer[i].inUse == 0)
542 
      break;
543 
  }
544 
 
545 
  timer[i].inUse      = 1;
546 
  timer[i].period     = ticks;
547 
  timer[i].timeToFire = (ticksTotal + Bit64u(currCountdownPeriod-currCountdown)) + ticks;
548 
  timer[i].active     = active;
549 
  timer[i].continuous = continuous;
550 
  timer[i].funct      = funct;
551 
  timer[i].this_ptr   = this_ptr;
552 
  strncpy(timer[i].id, id, BxMaxTimerIDLen);
553 
  timer[i].id[BxMaxTimerIDLen-1] = 0; // Null terminate if not already.
554 
 
555 
  if (active) {
556 
    if (ticks < Bit64u(currCountdown)) {
557 
      // This new timer needs to fire before the current countdown.
558 
      // Skew the current countdown and countdown period to be smaller
559 
      // by the delta.
560 
      currCountdownPeriod -= (currCountdown - Bit32u(ticks));
561 
      currCountdown = Bit32u(ticks);
562 
    }
563 
  }
564 
 
565 
printf("bochsDevs::timer id %d registered for '%s'", i, id);
566 
  // If we didn't find a free slot, increment the bound, numTimers.
567 
  if (i==numTimers)
568 
    numTimers++; // One new timer installed.
569 
 
570 
  // Return timer id.
571 
  return(i);
572 
}
573 
 
574 
int bx_pc_system_c::register_timer(void *this_ptr, void (*funct)(void *),
575 
  Bit32u useconds, bx_bool continuous, bx_bool active, const char *id)
576 
{
577 
printf("bochsDevs::bx_pc_system_c::register_timer()\n");
578 
 
579 
    // Convert useconds to number of ticks.
580 
  Bit64u ticks = (Bit64u) (double(useconds) * m_ips);
581 
 
582 
  return register_timer_ticks(this_ptr, funct, ticks, continuous, active, id);
583 
}
584 
 
585 
void bx_pc_system_c::activate_timer_ticks(unsigned i, Bit64u ticks, bx_bool continuous)
586 
{
587 
  // If the timer frequency is rediculously low, make it more sane.
588 
  // This happens when 'ips' is too low.
589 
  if (ticks < MinAllowableTimerPeriod) {
590 
    //BX_INFO(("activate_timer_ticks: adjusting ticks of %llu to min of %u",
591 
    //          ticks, MinAllowableTimerPeriod));
592 
    ticks = MinAllowableTimerPeriod;
593 
  }
594 
 
595 
  timer[i].period = ticks;
596 
  timer[i].timeToFire = (ticksTotal + Bit64u(currCountdownPeriod-currCountdown)) + ticks;
597 
  timer[i].active     = 1;
598 
  timer[i].continuous = continuous;
599 
 
600 
  if (ticks < Bit64u(currCountdown)) {
601 
    // This new timer needs to fire before the current countdown.
602 
    // Skew the current countdown and countdown period to be smaller
603 
    // by the delta.
604 
    currCountdownPeriod -= (currCountdown - Bit32u(ticks));
605 
    currCountdown = Bit32u(ticks);
606 
  }
607 
}
608 
 
609 
void bx_pc_system_c::activate_timer(unsigned i, Bit32u useconds, bx_bool continuous)
610 
{
611 
//printf("bochsDevs::bx_pc_system_c::activate_timer(%d, %d, %d)\n", i, useconds, continuous);
612 
 
613 
  Bit64u ticks;
614 
 
615 
  // if useconds = 0, use default stored in period field
616 
  // else set new period from useconds
617 
  if (useconds==0) {
618 
    ticks = timer[i].period;
619 
  }
620 
  else {
621 
    // convert useconds to number of ticks
622 
    ticks = (Bit64u) (double(useconds) * m_ips);
623 
 
624 
    // If the timer frequency is rediculously low, make it more sane.
625 
    // This happens when 'ips' is too low.
626 
    if (ticks < MinAllowableTimerPeriod) {
627 
      //BX_INFO(("activate_timer: adjusting ticks of %llu to min of %u",
628 
      //          ticks, MinAllowableTimerPeriod));
629 
      ticks = MinAllowableTimerPeriod;
630 
    }
631 
 
632 
    timer[i].period = ticks;
633 
  }
634 
 
635 
  activate_timer_ticks(i, ticks, continuous);
636 
}
637 
 
638 
void bx_pc_system_c::deactivate_timer(unsigned i) {
639 
//printf("bochsDevs::bx_pc_system_c::deactivate_timer(%d)\n", i);
640 
 
641 
    timer[i].active = 0;
642 
}
643 
 
644 
Bit64u bx_pc_system_c::time_usec() {
645 
  return (Bit64u) (((double)(Bit64s)time_ticks()) / m_ips);
646 
}
647 
 
648 
void bx_pc_system_c::countdownEvent(void) {
649 
  unsigned i;
650 
  Bit64u   minTimeToFire;
651 
  bx_bool  triggered[BX_MAX_TIMERS];
652 
 
653 
  // Increment global ticks counter by number of ticks which have
654 
  // elapsed since the last update.
655 
  ticksTotal += Bit64u(currCountdownPeriod);
656 
  minTimeToFire = (Bit64u) -1;
657 
 
658 
  for (i=0; i < numTimers; i++) {
659 
    triggered[i] = 0; // Reset triggered flag.
660 
    if (timer[i].active) {
661 
      if (ticksTotal == timer[i].timeToFire) {
662 
        // This timer is ready to fire.
663 
        triggered[i] = 1;
664 
 
665 
        if (timer[i].continuous==0) {
666 
          // If triggered timer is one-shot, deactive.
667 
          timer[i].active = 0;
668 
        }
669 
        else {
670 
          // Continuous timer, increment time-to-fire by period.
671 
          timer[i].timeToFire += timer[i].period;
672 
          if (timer[i].timeToFire < minTimeToFire)
673 
            minTimeToFire = timer[i].timeToFire;
674 
        }
675 
      }
676 
      else {
677 
        // This timer is not ready to fire yet.
678 
        if (timer[i].timeToFire < minTimeToFire)
679 
          minTimeToFire = timer[i].timeToFire;
680 
      }
681 
    }
682 
  }
683 
 
684 
  // Calculate next countdown period.  We need to do this before calling
685 
  // any of the callbacks, as they may call timer features, which need
686 
  // to be advanced to the next countdown cycle.
687 
  currCountdown = currCountdownPeriod =
688 
      Bit32u(minTimeToFire - ticksTotal);
689 
 
690 
  for (i=0; i < numTimers; i++) {
691 
    // Call requested timer function.  It may request a different
692 
    // timer period or deactivate etc.
693 
    if (triggered[i]) {
694 
      triggeredTimer = i;
695 
      timer[i].funct(timer[i].this_ptr);
696 
      triggeredTimer = 0;
697 
    }
698 
  }
699 
}
700 
 
701 
//------------------------------------------------------------------------------
702 
 
703 
bool a20_state = true;
704 
 
705 
void bx_pc_system_c::set_HRQ(bx_bool val) {
706 
printf("bochsDevs::bx_pc_system_c::set_HRQ() %d\n", val);
707 
 
708 
    if(val) {
709 
        bx_devices.pluginDmaDevice->raise_HLDA();
710 
    }
711 
}
712 
 
713 
int bx_pc_system_c::Reset(unsigned type) {
714 
printf("bochsDevs::bx_pc_system_c::Reset() %d\n", type);
715 
std::exit(-1);
716 
    return 0;
717 
}
718 
 
719 
bx_bool bx_pc_system_c::get_enable_a20(void) {
720 
printf("bochsDevs::bx_pc_system_c::get_enable_a20() %d\n", a20_state);
721 
  return a20_state;
722 
}
723 
 
724 
void bx_pc_system_c::set_enable_a20(bx_bool value) {
725 
printf("bochsDevs::bx_pc_system_c::set_enable_a20(%d) %d\n", value, a20_state);
726 
    a20_state = value;
727 
}
728 
 
729 
void bx_pc_system_c::clear_INTR(void) {
730 
printf("bochsDevs::bx_pc_system_c::clear_INTR()\n");
731 
    shared_ptr->interrupt_at_counter = 0;
732 
}
733 
 
734 
void bx_pc_system_c::raise_INTR(void) {
735 
printf("bochsDevs::bx_pc_system_c::raise_INTR()\n");
736 
 
737 
    uint32 last = shared_ptr->interrupt_at_counter;
738 
 
739 
    shared_ptr->interrupt_vector = bx_devices.pluginPicDevice->IAC();
740 
 
741 
    uint32 v1 = shared_ptr->bochs486_pc.instr_counter + 5;
742 
    uint32 v2 = shared_ptr->ao486.instr_counter + 5;
743 
 
744 
    shared_ptr->interrupt_at_counter = (v1 > v2)? v1 : v2;
745 
 
746 
printf("interrupt: %02x\n", shared_ptr->interrupt_vector);
747 
 
748 
    FILE *interrupt_fp = fopen("interrupt.txt", "a");
749 
    fprintf(interrupt_fp, "irq %02x at %d (%d %d) %d\n", shared_ptr->interrupt_vector, shared_ptr->interrupt_at_counter, v1, v2, shared_ptr->interrupt_at_counter - last);
750 
    fclose(interrupt_fp);
751 
}
752 
 
753 
class capture_pic_stub_c : public bx_pic_stub_c {
754 
public:
755 
    capture_pic_stub_c(bx_pic_stub_c *orig) {
756 
        this->orig = orig;
757 
    }
758 
 
759 
    virtual void raise_irq(unsigned irq_no) {
760 
        FILE *fp = fopen("track.txt", "a");
761 
        fprintf(fp, "raise_irq %d\n", irq_no);
762 
        fclose(fp);
763 
 
764 
        orig->raise_irq(irq_no);
765 
    }
766 
 
767 
    virtual void lower_irq(unsigned irq_no) {
768 
        FILE *fp = fopen("track.txt", "a");
769 
        fprintf(fp, "lower_irq %d\n", irq_no);
770 
        fclose(fp);
771 
 
772 
        orig->lower_irq(irq_no);
773 
    }
774 
 
775 
    virtual void set_mode(bx_bool ma_sl, Bit8u mode) {
776 
        FILE *fp = fopen("track.txt", "a");
777 
        fprintf(fp, "set_mode %d %d\n", ma_sl, mode);
778 
        fclose(fp);
779 
 
780 
        orig->set_mode(ma_sl, mode);
781 
    }
782 
 
783 
    virtual Bit8u IAC(void) {
784 
        Bit8u ret = orig->IAC();
785 
 
786 
        FILE *fp = fopen("track.txt", "a");
787 
        fprintf(fp, "IAC %d\n", ret);
788 
        fclose(fp);
789 
 
790 
        return ret;
791 
    }
792 
 
793 
private:
794 
    bx_pic_stub_c *orig;
795 
};
796 
 
797 
bx_pc_system_c bx_pc_system;
798 
 
799 
//------------------------------------------------------------------------------
800 
//------------------------------------------------------------------------------
801 
//------------------------------------------------------------------------------
802 
 
803 
Bit64u bx_get_realtime64_usec(void)
804 
{
805 
  timeval thetime;
806 
  gettimeofday(&thetime,0);
807 
  Bit64u mytime;
808 
  mytime=(Bit64u)thetime.tv_sec*(Bit64u)1000000+(Bit64u)thetime.tv_usec;
809 
  return mytime;
810 
}
811 
 
812 
//------------------------------------------------------------------------------
813 
//------------------------------------------------------------------------------
814 
//------------------------------------------------------------------------------
815 
 
816 
bx_devices_c::bx_devices_c() {
817 
}
818 
bx_devices_c::~bx_devices_c() {
819 
}
820 
 
821 
void bx_devices_c::mouse_motion(int delta_x, int delta_y, int delta_z, unsigned button_state, bx_bool absxy) {
822 
printf("bochsDevs::bx_devices_c::mouse_motion()\n");
823 
  // If mouse events are disabled on the GUI headerbar, don't
824 
  // generate any mouse data
825 
  if (!mouse_captured)
826 
    return;
827 
 
828 
  // if a removable mouse is connected, redirect mouse data to the device
829 
  if (bx_mouse[1].dev != NULL) {
830 
    bx_mouse[1].enq_event(bx_mouse[1].dev, delta_x, delta_y, delta_z, button_state, absxy);
831 
    return;
832 
  }
833 
 
834 
  // if a mouse is connected, direct mouse data to the device
835 
  if (bx_mouse[0].dev != NULL) {
836 
    bx_mouse[0].enq_event(bx_mouse[0].dev, delta_x, delta_y, delta_z, button_state, absxy);
837 
  }
838 
}
839 
 
840 
bx_bool bx_devices_c::optional_key_enq(Bit8u *scan_code) {
841 
printf("bochsDevs::bx_devices_c::optional_key_enq()\n");
842 
  if (bx_keyboard.dev != NULL) {
843 
    return bx_keyboard.enq_event(bx_keyboard.dev, scan_code);
844 
  }
845 
  return 0;
846 
}
847 
 
848 
void bx_devices_c::mouse_enabled_changed(bx_bool enabled) {
849 
printf("bochsDevs::bx_devices_c::mouse_enabled_changed()\n");
850 
  mouse_captured = enabled;
851 
 
852 
  if ((bx_mouse[1].dev != NULL) && (bx_mouse[1].enabled_changed != NULL)) {
853 
    bx_mouse[1].enabled_changed(bx_mouse[1].dev, enabled);
854 
    return;
855 
  }
856 
 
857 
  if ((bx_mouse[0].dev != NULL) && (bx_mouse[0].enabled_changed != NULL)) {
858 
    bx_mouse[0].enabled_changed(bx_mouse[0].dev, enabled);
859 
  }
860 
}
861 
 
862 
void bx_devices_c::register_default_mouse(void *dev, bx_mouse_enq_t mouse_enq,
863 
                                          bx_mouse_enabled_changed_t mouse_enabled_changed)
864 
{
865 
printf("bochsDevs::bx_devices_c::register_default_mouse()\n");
866 
  if (bx_mouse[0].dev == NULL) {
867 
    bx_mouse[0].dev = dev;
868 
    bx_mouse[0].enq_event = mouse_enq;
869 
    bx_mouse[0].enabled_changed = mouse_enabled_changed;
870 
  }
871 
}
872 
 
873 
bx_devices_c bx_devices;
874 
 
875 
//------------------------------------------------------------------------------
876 
//------------------------------------------------------------------------------
877 
//------------------------------------------------------------------------------
878 
 
879 
const char *hdimage_mode_names[] = {
880 
  "flat",
881 
  "concat",
882 
  "external",
883 
  "dll",
884 
  "sparse",
885 
  "vmware3",
886 
  "vmware4",
887 
  "undoable",
888 
  "growing",
889 
  "volatile",
890 
  "vvfat",
891 
  "vpc",
892 
  NULL
893 
};
894 
 
895 
void bx_stop_simulation() {
896 
printf("bochsDevs::bx_stop_simulation()\n");
897 
}
898 
 
899 
class BX_CPU_C : public logfunctions {
900 
};
901 
 
902 
BX_CPU_C bx_cpu;
903 
 
904 
bx_bool bx_user_quit;
905 
 
906 
//------------------------------------------------------------------------------
907 
//------------------------------------------------------------------------------
908 
//------------------------------------------------------------------------------
909 
 
910 
void register_plugin(const char *libname, const char *initname) {
911 
 
912 
    void *handle;
913 
 
914 
    handle = dlopen(libname, RTLD_NOW | RTLD_GLOBAL);
915 
 
916 
    if(handle == NULL) {
917 
        char *error = dlerror();
918 
 
919 
        printf("dlopen() error: %s\n", error);
920 
        exit(-1);
921 
    }
922 
 
923 
 
924 
    plugin_init_t plugin_init = (plugin_init_t)dlsym(handle, initname);
925 
    if(plugin_init == NULL) {
926 
        char *error = dlerror();
927 
 
928 
        printf("dlsym() error: %s\n", error);
929 
 
930 
        dlclose(handle);
931 
        exit(-2);
932 
    }
933 
 
934 
    plugin_init(NULL, PLUGTYPE_CORE, 0,NULL);
935 
 
936 
    //dlclose(handle);
937 
}
938 
 
939 
int main(int argc, char **argv) {
940 
 
941 
    //map shared memory
942 
    int fd = open("./../sim/sim_pc/shared_mem.dat", O_RDWR, S_IRUSR | S_IWUSR);
943 
 
944 
    if(fd == -1) {
945 
        perror("open() failed for shared_mem.dat");
946 
        return -1;
947 
    }
948 
 
949 
    shared_ptr = (shared_mem_t *)mmap(NULL, sizeof(shared_mem_t), PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
950 
 
951 
    if(shared_ptr == MAP_FAILED) {
952 
        perror("mmap() failed");
953 
        close(fd);
954 
        return -2;
955 
    }
956 
 
957 
    //wait for ack
958 
 
959 
    shared_ptr->bochsDevs_starting = STEP_REQ;
960 
    printf("Waiting for startup ack...");
961 
    fflush(stdout);
962 
    while(shared_ptr->bochsDevs_starting != STEP_ACK) {
963 
        usleep(100000);
964 
    }
965 
    printf("done.\n");
966 
 
967 
    //--------------------------------------------------------------------------
968 
 
969 
    printf("bochsDevs\n");
970 
 
971 
    FILE *debug_fp = fopen("output.txt", "w");
972 
 
973 
    pluginRegisterIRQ = builtinRegisterIRQ;
974 
 
975 
    pluginRegisterIOReadHandler = builtinRegisterIOReadHandler;
976 
    pluginRegisterIOWriteHandler = builtinRegisterIOWriteHandler;
977 
 
978 
    pluginRegisterDefaultIOReadHandler = builtinRegisterDefaultIOReadHandler;
979 
    pluginRegisterDefaultIOWriteHandler = builtinRegisterDefaultIOWriteHandler;
980 
 
981 
 
982 
    SIM = new bochsDevs_sim();
983 
 
984 
    bx_virt_timer.init();
985 
 
986 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_unmapped.so.0.0.0",   "libunmapped_LTX_plugin_init");
987 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_biosdev.so.0.0.0",    "libbiosdev_LTX_plugin_init");
988 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_cmos.so.0.0.0",       "libcmos_LTX_plugin_init");
989 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_dma.so.0.0.0",        "libdma_LTX_plugin_init");
990 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_x.so.0.0.0",          "libx_LTX_plugin_init");
991 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_floppy.so.0.0.0",     "libfloppy_LTX_plugin_init");
992 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_hdimage.so.0.0.0",    "libhdimage_LTX_plugin_init");
993 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_harddrv.so.0.0.0",    "libharddrv_LTX_plugin_init");
994 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_iodebug.so.0.0.0",    "libiodebug_LTX_plugin_init");
995 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_keyboard.so.0.0.0",   "libkeyboard_LTX_plugin_init");
996 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_pic.so.0.0.0",        "libpic_LTX_plugin_init");
997 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_pit.so.0.0.0",        "libpit_LTX_plugin_init");
998 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_speaker.so.0.0.0",    "libspeaker_LTX_plugin_init");
999 
    register_plugin("/opt/bochs-2.6.2/lib/bochs/plugins/libbx_vga.so.0.0.0",        "libvga_LTX_plugin_init");
1000 
 
1001 
    // misc. CMOS
1002 
    Bit64u memory_in_bytes = sizeof(shared_ptr->mem.bytes);
1003 
    Bit64u BASE_MEMORY_IN_K = 640;
1004 
 
1005 
    Bit64u memory_in_k = memory_in_bytes / 1024;
1006 
    Bit64u extended_memory_in_k = memory_in_k > 1024 ? (memory_in_k - 1024) : 0;
1007 
    if (extended_memory_in_k > 0xfc00) extended_memory_in_k = 0xfc00;
1008 
 
1009 
    DEV_cmos_set_reg(0x15, (Bit8u) BASE_MEMORY_IN_K);
1010 
    DEV_cmos_set_reg(0x16, (Bit8u) (BASE_MEMORY_IN_K >> 8));
1011 
    DEV_cmos_set_reg(0x17, (Bit8u) (extended_memory_in_k & 0xff));
1012 
    DEV_cmos_set_reg(0x18, (Bit8u) ((extended_memory_in_k >> 8) & 0xff));
1013 
    DEV_cmos_set_reg(0x30, (Bit8u) (extended_memory_in_k & 0xff));
1014 
    DEV_cmos_set_reg(0x31, (Bit8u) ((extended_memory_in_k >> 8) & 0xff));
1015 
 
1016 
    Bit64u extended_memory_in_64k = memory_in_k > 16384 ? (memory_in_k - 16384) / 64 : 0;
1017 
    // Limit to 3 GB - 16 MB. PCI Memory Address Space starts at 3 GB.
1018 
    if (extended_memory_in_64k > 0xbf00) extended_memory_in_64k = 0xbf00;
1019 
 
1020 
    DEV_cmos_set_reg(0x34, (Bit8u) (extended_memory_in_64k & 0xff));
1021 
    DEV_cmos_set_reg(0x35, (Bit8u) ((extended_memory_in_64k >> 8) & 0xff));
1022 
 
1023 
    Bit64u memory_above_4gb = (memory_in_bytes > BX_CONST64(0x100000000)) ?
1024 
                                (memory_in_bytes - BX_CONST64(0x100000000)) : 0;
1025 
    if (memory_above_4gb) {
1026 
        DEV_cmos_set_reg(0x5b, (Bit8u)(memory_above_4gb >> 16));
1027 
        DEV_cmos_set_reg(0x5c, (Bit8u)(memory_above_4gb >> 24));
1028 
        DEV_cmos_set_reg(0x5d, memory_above_4gb >> 32);
1029 
    }
1030 
 
1031 
    /* now perform checksum of CMOS memory */
1032 
    DEV_cmos_checksum();
1033 
 
1034 
    //replace pic with capture
1035 
    capture_pic_stub_c *capture = new capture_pic_stub_c(bx_devices.pluginPicDevice);
1036 
    bx_devices.pluginPicDevice = capture;
1037 
 
1038 
    uint32 last_instr_counter = 0;
1039 
    while(true) {
1040 
 
1041 
        //---------------------------------------------------------------------- stop
1042 
 
1043 
        if(shared_ptr->bochsDevs_stop == STEP_REQ) {
1044 
            shared_ptr->bochsDevs_stop = STEP_ACK;
1045 
            while(shared_ptr->bochsDevs_stop != STEP_IDLE) {
1046 
                usleep(500);
1047 
            }
1048 
        }
1049 
 
1050 
        //---------------------------------------------------------------------- irq
1051 
 
1052 
        static step_t last_pit_irq_step = STEP_IDLE;
1053 
 
1054 
        if(last_pit_irq_step == STEP_IDLE && shared_ptr->pit_irq_step == STEP_REQ) {
1055 
            bx_devices.pluginPicDevice->raise_irq(0);
1056 
            last_pit_irq_step = STEP_REQ;
1057 
        }
1058 
        else if(last_pit_irq_step == STEP_REQ && shared_ptr->pit_irq_step == STEP_IDLE) {
1059 
            bx_devices.pluginPicDevice->lower_irq(0);
1060 
            last_pit_irq_step = STEP_IDLE;
1061 
        }
1062 
 
1063 
        static step_t last_rtc_irq_step = STEP_IDLE;
1064 
 
1065 
        if(last_rtc_irq_step == STEP_IDLE && shared_ptr->rtc_irq_step == STEP_REQ) {
1066 
            bx_devices.pluginPicDevice->raise_irq(8);
1067 
            last_rtc_irq_step = STEP_REQ;
1068 
        }
1069 
        else if(last_rtc_irq_step == STEP_REQ && shared_ptr->rtc_irq_step == STEP_IDLE) {
1070 
            bx_devices.pluginPicDevice->lower_irq(8);
1071 
            last_rtc_irq_step = STEP_IDLE;
1072 
        }
1073 
 
1074 
        static step_t last_floppy_irq_step = STEP_IDLE;
1075 
 
1076 
        if(last_floppy_irq_step == STEP_IDLE && shared_ptr->floppy_irq_step == STEP_REQ) {
1077 
            bx_devices.pluginPicDevice->raise_irq(6);
1078 
            last_floppy_irq_step = STEP_REQ;
1079 
        }
1080 
        else if(last_floppy_irq_step == STEP_REQ && shared_ptr->floppy_irq_step == STEP_IDLE) {
1081 
            bx_devices.pluginPicDevice->lower_irq(6);
1082 
            last_floppy_irq_step = STEP_IDLE;
1083 
        }
1084 
 
1085 
        static step_t last_keyboard_irq_step = STEP_IDLE;
1086 
 
1087 
        if(last_keyboard_irq_step == STEP_IDLE && shared_ptr->keyboard_irq_step == STEP_REQ) {
1088 
            bx_devices.pluginPicDevice->raise_irq(1);
1089 
            last_keyboard_irq_step = STEP_REQ;
1090 
        }
1091 
        else if(last_keyboard_irq_step == STEP_REQ && shared_ptr->keyboard_irq_step == STEP_IDLE) {
1092 
            bx_devices.pluginPicDevice->lower_irq(1);
1093 
            last_keyboard_irq_step = STEP_IDLE;
1094 
        }
1095 
 
1096 
        static step_t last_mouse_irq_step = STEP_IDLE;
1097 
 
1098 
        if(last_mouse_irq_step == STEP_IDLE && shared_ptr->mouse_irq_step == STEP_REQ) {
1099 
            bx_devices.pluginPicDevice->raise_irq(12);
1100 
            last_mouse_irq_step = STEP_REQ;
1101 
        }
1102 
        else if(last_mouse_irq_step == STEP_REQ && shared_ptr->mouse_irq_step == STEP_IDLE) {
1103 
            bx_devices.pluginPicDevice->lower_irq(12);
1104 
            last_mouse_irq_step = STEP_IDLE;
1105 
        }
1106 
 
1107 
        //---------------------------------------------------------------------- service io
1108 
 
1109 
        if(shared_ptr->combined.io_step == STEP_REQ) {
1110 
 
1111 
            uint32 address = shared_ptr->combined.io_address & 0xFFFF;
1112 
            uint32 byteena = shared_ptr->combined.io_byteenable;
1113 
            uint32 value   = shared_ptr->combined.io_data;
1114 
            uint32 shifted = 0;
1115 
 
1116 
            if(address == 0x01F0 || address == 0x01F4 || (address == 0x03F4 && byteena == 0x4) || address == 0x0040 || (address == 0x0060 && byteena == 0x2) ||
1117 
               (address == 0x0070 && (byteena == 0x1 || byteena == 0x02)) || (address == 0x03F4 && ((byteena >> 2) & 1) == 0) || address == 0x03F0 ||
1118 
               address == 0x0000 || address == 0x0004 || address == 0x0008 || address == 0x000C ||
1119 
               address == 0x0080 || address == 0x0084 || address == 0x0088 || address == 0x008C ||
1120 
               address == 0x00C0 || address == 0x00C4 || address == 0x00C8 || address == 0x00CC ||
1121 
               address == 0x00D0 || address == 0x00D4 || address == 0x00D8 || address == 0x00DC ||
1122 
               address == 0x03B0 || address == 0x03B4 || address == 0x03B8 || address == 0x03BC ||
1123 
               address == 0x03C0 || address == 0x03C4 || address == 0x03C8 || address == 0x03CC ||
1124 
               address == 0x03D0 || address == 0x03D4 || address == 0x03D8 || address == 0x03DC ||
1125 
               (address == 0x0060 && ((byteena >> 1) & 1) == 0) || address == 0x0064 ||
1126 
               address == 0x0090 || address == 0x0094 || address == 0x0098 || address == 0x009C ||
1127 
               (address == 0x0020 && ((byteena >> 2) & 3) == 0) || (address == 0x00A0 && ((byteena >> 2) & 3) == 0) ||
1128 
               address == 0x8888 || address == 0x888C)
1129 
            {
1130 
                //
1131 
            }
1132 
            else {
1133 
                if(shared_ptr->combined.io_is_write) {
1134 
                    FILE *fp = fopen("track.txt", "a");
1135 
                    fprintf(fp, "io wr %04x %x %08x\n", address, byteena, value);
1136 
                    fclose(fp);
1137 
                }
1138 
 
1139 
                for(uint32 i=0; i<4; i++) {
1140 
                    if(byteena & 1) break;
1141 
 
1142 
                    shifted++;
1143 
                    address++;
1144 
                    byteena >>= 1;
1145 
                    value >>= 8;
1146 
                }
1147 
                uint32 length = 0;
1148 
                for(uint32 i=0; i<4; i++) {
1149 
                    if(byteena & 1) length++;
1150 
 
1151 
                    byteena >>= 1;
1152 
                }
1153 
 
1154 
                if(shared_ptr->combined.io_is_write) {
1155 
                    ioWriteHandler_t handler = io_write_handlers[address];
1156 
                    uint8 mask = io_write_mask[address];
1157 
                    void *this_ptr = io_write_this[address];
1158 
 
1159 
                    if(handler == NULL) {
1160 
                        handler = io_write_handlers[65536];
1161 
                        mask = io_write_mask[65536];
1162 
                    }
1163 
 
1164 
                    if(mask & length) {
1165 
                        ((bx_write_handler_t)handler)(this_ptr, address, value, length);
1166 
                    }
1167 
                    else {
1168 
                        printf("bochsDevs::io write mismatch: mask=%d, length=%d, address=%04x\n", mask, length, address);
1169 
                    }
1170 
 
1171 
                    if(address == 0x92) {
1172 
                        a20_state = (value & 2)? 1 : 0;
1173 
                    }
1174 
 
1175 
                    /*
1176 
                    if(address == 0x8888) {
1177 
                        fprintf(debug_fp, "%c", value & 0xFF);
1178 
                        fflush(debug_fp);
1179 
                    }
1180 
                    */
1181 
                }
1182 
                else {
1183 
                    ioReadHandler_t handler = io_read_handlers[address];
1184 
                    uint8 mask = io_read_mask[address];
1185 
                    void *this_ptr = io_read_this[address];
1186 
 
1187 
                    if(handler == NULL) {
1188 
                        handler = io_read_handlers[65536];
1189 
                        mask = io_read_mask[65536];
1190 
                    }
1191 
 
1192 
                    uint32 ret = 0xFFFFFF;
1193 
 
1194 
                    if(mask & length) {
1195 
                        ret = ((bx_read_handler_t)handler)(this_ptr, address, length);
1196 
                    }
1197 
                    else {
1198 
                        printf("bochsDevs::io read mismatch: mask=%d, length=%d, address=%04x\n", mask, length, address);
1199 
                        ret = (length == 1)? 0xFF : (length == 2)? 0xFFFF : 0xFFFFFFFF;
1200 
                    }
1201 
 
1202 
                    if(address == 0x92) {
1203 
                        ret = (a20_state)? 0x02 : 0x00;
1204 
                    }
1205 
 
1206 
                    ret &= (length == 1)? 0xFF : (length == 2)? 0xFFFF : (length == 3)? 0xFFFFFF : 0xFFFFFFFF;
1207 
                    shared_ptr->combined.io_data = ret << (8*shifted);
1208 
 
1209 
                    FILE *fp = fopen("track.txt", "a");
1210 
                    fprintf(fp, "io rd %04x %x %08x\n", shared_ptr->combined.io_address & 0xFFFF, shared_ptr->combined.io_byteenable, shared_ptr->combined.io_data);
1211 
                    fclose(fp);
1212 
                }
1213 
                shared_ptr->combined.io_step = STEP_ACK;
1214 
            }
1215 
        }
1216 
 
1217 
        //---------------------------------------------------------------------- service vga memory
1218 
 
1219 
        /*
1220 
        if(shared_ptr->combined.mem_step == STEP_REQ) {
1221 
            uint32 address = shared_ptr->combined.mem_address;
1222 
            uint32 byteena = shared_ptr->combined.mem_byteenable;
1223 
            uint32 value   = shared_ptr->combined.mem_data;
1224 
            uint32 shifted = 0;
1225 
 
1226 
            for(uint32 i=0; i<4; i++) {
1227 
                if(byteena & 1) break;
1228 
 
1229 
                shifted++;
1230 
                address++;
1231 
                byteena >>= 1;
1232 
                value >>= 8;
1233 
            }
1234 
            uint32 length = 0;
1235 
            for(uint32 i=0; i<4; i++) {
1236 
                if(byteena & 1) length++;
1237 
 
1238 
                byteena >>= 1;
1239 
            }
1240 
 
1241 
            if(address >= 0xA0000 && address < 0xC0000) {
1242 
                if(shared_ptr->combined.mem_is_write) {
1243 
                    (vga_write_memory)(address, length, &value, vga_param);
1244 
 
1245 
                    FILE *fp = fopen("track.txt", "a");
1246 
                    fprintf(fp, "vga wr %08x %x %08x\n", address, byteena, value);
1247 
                    fclose(fp);
1248 
                }
1249 
                else {
1250 
                    uint32 ret = 0xFFFFFF;
1251 
                    (vga_read_memory)(address, length, &ret, vga_param);
1252 
 
1253 
                    ret &= (length == 1)? 0xFF : (length == 2)? 0xFFFF : (length == 3)? 0xFFFFFF : 0xFFFFFFFF;
1254 
                    shared_ptr->combined.mem_data = ret << (8*shifted);
1255 
 
1256 
                    FILE *fp = fopen("track.txt", "a");
1257 
                    fprintf(fp, "vga rd %08x %x %08x\n", shared_ptr->combined.mem_address, shared_ptr->combined.mem_byteenable, shared_ptr->combined.mem_data);
1258 
                    fclose(fp);
1259 
                }
1260 
                shared_ptr->combined.mem_step = STEP_ACK;
1261 
            }
1262 
        }
1263 
        */
1264 
 
1265 
        //----------------------------------------------------------------------
1266 
 
1267 
        bx_gui->handle_events();
1268 
 
1269 
        //bx_pc_system.tickn(1);
1270 
        //usleep(100);
1271 
        uint32 snapshot = shared_ptr->bochs486_pc.instr_counter;
1272 
        if(snapshot > last_instr_counter) {
1273 
            bx_pc_system.tickn(snapshot - last_instr_counter); //500 -- hang (too fast interrupt), 100 -- ok
1274 
            last_instr_counter = snapshot;
1275 
        }
1276 
        usleep(10);
1277 
    }
1278 
 
1279 
    return 0;
1280 
}

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