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15 theseven 1
//
2
//
3
//    Copyright 2010 TheSeven
4
//
5
//
427 farthen 6
//    This file is part of emCORE.
15 theseven 7
//
427 farthen 8
//    emCORE is free software: you can redistribute it and/or
15 theseven 9
//    modify it under the terms of the GNU General Public License as
10
//    published by the Free Software Foundation, either version 2 of the
11
//    License, or (at your option) any later version.
12
//
427 farthen 13
//    emCORE is distributed in the hope that it will be useful,
15 theseven 14
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
15
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16
//    See the GNU General Public License for more details.
17
//
18
//    You should have received a copy of the GNU General Public License along
427 farthen 19
//    with emCORE.  If not, see <http://www.gnu.org/licenses/>.
15 theseven 20
//
21
//
22
 
23
 
24
#include "global.h"
25
#include "panic.h"
26
#include "usb.h"
27
#include "usb_ch9.h"
28
#include "usbdrv.h"
29
#include "thread.h"
30
#include "console.h"
31
#include "util.h"
25 theseven 32
#include "contextswitch.h"
54 theseven 33
#include "power.h"
35 theseven 34
#include "mmu.h"
29 theseven 35
#include "shutdown.h"
92 theseven 36
#include "execimage.h"
685 theseven 37
#include "dbgconsole.h"
85 theseven 38
#ifdef HAVE_I2C
39
#include "i2c.h"
40
#endif
95 theseven 41
#ifdef HAVE_BOOTFLASH
42
#include "bootflash.h"
43
#endif
157 theseven 44
#ifdef HAVE_HWKEYAES
45
#include "hwkeyaes.h"
46
#endif
47
#ifdef HAVE_HMACSHA1
48
#include "hmacsha1.h"
49
#endif
226 theseven 50
#ifdef USB_HAVE_TARGET_SPECIFIC_REQUESTS
51
#include "usbtarget.h"
52
#endif
346 theseven 53
#ifdef HAVE_STORAGE
54
#include "storage.h"
55
#include "disk.h"
56
#include "file.h"
57
#include "dir.h"
347 theseven 58
#include "libc/include/errno.h"
346 theseven 59
#endif
15 theseven 60
 
61
 
62
static uint8_t ctrlresp[2] CACHEALIGN_ATTR;
63
static uint32_t dbgrecvbuf[0x80] CACHEALIGN_ATTR;
64
static uint32_t dbgsendbuf[0x80] CACHEALIGN_ATTR;
65
static uint32_t dbgasyncsendbuf[0x80] CACHEALIGN_ATTR;
66
static char dbgendpoints[4] IBSS_ATTR;
67
 
68
enum dbgaction_t
69
{
70
    DBGACTION_IDLE = 0,
71
    DBGACTION_I2CSEND,
72
    DBGACTION_I2CRECV,
29 theseven 73
    DBGACTION_RESET,
74
    DBGACTION_POWEROFF,
75
    DBGACTION_CWRITE,
76
    DBGACTION_CREAD,
92 theseven 77
    DBGACTION_CFLUSH,
95 theseven 78
    DBGACTION_EXECIMAGE,
127 theseven 79
    DBGACTION_EXECFIRMWARE,
95 theseven 80
    DBGACTION_READBOOTFLASH,
157 theseven 81
    DBGACTION_WRITEBOOTFLASH,
82
    DBGACTION_HWKEYAES,
226 theseven 83
    DBGACTION_HMACSHA1,
346 theseven 84
    DBGACTION_TARGETSPECIFIC,
438 theseven 85
    DBGACTION_STORAGE,
86
    DBGACTION_MALLOC,
87
    DBGACTION_MEMALIGN,
88
    DBGACTION_REALLOC,
89
    DBGACTION_REOWNALLOC,
471 theseven 90
    DBGACTION_FREE,
91
    DBGACTION_FREEMONITOR
15 theseven 92
};
93
 
429 theseven 94
static struct scheduler_thread dbgthread_handle IBSS_ATTR;
346 theseven 95
static uint32_t dbgstack[0x200] STACK_ATTR;
15 theseven 96
struct wakeup dbgwakeup IBSS_ATTR;
97
static enum dbgaction_t dbgaction IBSS_ATTR;
29 theseven 98
static int dbgi2cbus;
99
static int dbgi2cslave;
100
static int dbgactionaddr;
95 theseven 101
static int dbgactionoffset;
29 theseven 102
static int dbgactionlength;
103
static int dbgactionconsoles;
104
static int dbgactiontype;
25 theseven 105
static char dbgconsendbuf[4096];
106
static char dbgconrecvbuf[1024];
107
static int dbgconsendreadidx IBSS_ATTR;
108
static int dbgconsendwriteidx IBSS_ATTR;
109
static int dbgconrecvreadidx IBSS_ATTR;
110
static int dbgconrecvwriteidx IBSS_ATTR;
111
static struct wakeup dbgconsendwakeup IBSS_ATTR;
112
static struct wakeup dbgconrecvwakeup IBSS_ATTR;
113
static bool dbgconsoleattached IBSS_ATTR;
15 theseven 114
 
25 theseven 115
static const char dbgconoverflowstr[] = "\n\n[overflowed]\n\n";
15 theseven 116
 
438 theseven 117
extern int _poolstart;   // These aren't ints at all, but gcc complains about void types being
118
extern int _poolend;     // used here, and we only need the address, so just make it happy...
25 theseven 119
 
35 theseven 120
 
15 theseven 121
static struct usb_device_descriptor CACHEALIGN_ATTR device_descriptor =
122
{
123
    .bLength            = sizeof(struct usb_device_descriptor),
124
    .bDescriptorType    = USB_DT_DEVICE,
125
    .bcdUSB             = 0x0200,
126
    .bDeviceClass       = USB_CLASS_VENDOR_SPEC,
127
    .bDeviceSubClass    = 0xff,
128
    .bDeviceProtocol    = 0xff,
129
    .bMaxPacketSize0    = 64,
130
    .idVendor           = 0xffff,
131
    .idProduct          = 0xe000,
132
    .bcdDevice          = 0x0001,
133
    .iManufacturer      = 1,
134
    .iProduct           = 2,
135
    .iSerialNumber      = 0,
136
    .bNumConfigurations = 1
137
};
138
 
139
static struct usb_config_bundle
140
{
141
    struct usb_config_descriptor config_descriptor;
142
    struct usb_interface_descriptor interface_descriptor;
143
    struct usb_endpoint_descriptor endpoint1_descriptor;
144
    struct usb_endpoint_descriptor endpoint2_descriptor;
145
    struct usb_endpoint_descriptor endpoint3_descriptor;
146
    struct usb_endpoint_descriptor endpoint4_descriptor;
147
} __attribute__((packed)) CACHEALIGN_ATTR config_bundle = 
148
{
149
    .config_descriptor =
150
    {
151
        .bLength             = sizeof(struct usb_config_descriptor),
152
        .bDescriptorType     = USB_DT_CONFIG,
153
        .wTotalLength        = sizeof(struct usb_config_descriptor)
154
                             + sizeof(struct usb_interface_descriptor)
155
                             + sizeof(struct usb_endpoint_descriptor) * 4,
156
        .bNumInterfaces      = 1,
157
        .bConfigurationValue = 1,
158
        .iConfiguration      = 0,
159
        .bmAttributes        = USB_CONFIG_ATT_ONE,
160
        .bMaxPower           = 250
161
    },
162
    .interface_descriptor =
163
    {
164
        .bLength             = sizeof(struct usb_interface_descriptor),
165
        .bDescriptorType     = USB_DT_INTERFACE,
166
        .bInterfaceNumber    = 0,
167
        .bAlternateSetting   = 0,
168
        .bNumEndpoints       = 4,
169
        .bInterfaceClass     = USB_CLASS_VENDOR_SPEC,
170
        .bInterfaceSubClass  = 0xff,
171
        .bInterfaceProtocol  = 0xff,
172
        .iInterface          = 0
173
    },
174
    .endpoint1_descriptor =
175
    {
176
        .bLength             = sizeof(struct usb_endpoint_descriptor),
177
        .bDescriptorType     = USB_DT_ENDPOINT,
178
        .bEndpointAddress    = 0,
179
        .bmAttributes        = USB_ENDPOINT_XFER_BULK,
180
        .wMaxPacketSize      = 0,
181
        .bInterval           = 1
182
    },
183
    .endpoint2_descriptor =
184
    {
185
        .bLength             = sizeof(struct usb_endpoint_descriptor),
186
        .bDescriptorType     = USB_DT_ENDPOINT,
187
        .bEndpointAddress    = 0,
188
        .bmAttributes        = USB_ENDPOINT_XFER_BULK,
189
        .wMaxPacketSize      = 0,
190
        .bInterval           = 1
191
    },
192
    .endpoint3_descriptor =
193
    {
194
        .bLength             = sizeof(struct usb_endpoint_descriptor),
195
        .bDescriptorType     = USB_DT_ENDPOINT,
196
        .bEndpointAddress    = 0,
197
        .bmAttributes        = USB_ENDPOINT_XFER_BULK,
198
        .wMaxPacketSize      = 0,
199
        .bInterval           = 1
200
    },
201
    .endpoint4_descriptor =
202
    {
203
        .bLength             = sizeof(struct usb_endpoint_descriptor),
204
        .bDescriptorType     = USB_DT_ENDPOINT,
205
        .bEndpointAddress    = 0,
206
        .bmAttributes        = USB_ENDPOINT_XFER_BULK,
207
        .wMaxPacketSize      = 0,
208
        .bInterval           = 1
209
    }
210
};
211
 
212
static struct usb_string_descriptor CACHEALIGN_ATTR string_devicename =
213
{
214
    32,
215
    USB_DT_STRING,
631 theseven 216
    {'e', 'm', 'C', 'O', 'R', 'E', ' ', 'D', 'e', 'b', 'u', 'g', 'g', 'e', 'r'}
15 theseven 217
};
218
 
219
static const struct usb_string_descriptor CACHEALIGN_ATTR lang_descriptor =
220
{
221
    4,
222
    USB_DT_STRING,
223
    {0x0409}
224
};
225
 
226
 
227
void usb_setup_dbg_listener()
228
{
464 theseven 229
    usb_drv_recv(dbgendpoints[0], dbgrecvbuf, 512);
15 theseven 230
}
231
 
232
void usb_handle_control_request(struct usb_ctrlrequest* req)
233
{
234
    const void* addr;
235
    int size = -1;
236
    switch (req->bRequest)
237
    {
238
    case USB_REQ_GET_STATUS:
239
        if (req->bRequestType == USB_DIR_IN) ctrlresp[0] = 1;
240
        else ctrlresp[0] = 0;
241
        ctrlresp[1] = 0;
242
        addr = ctrlresp;
243
        size = 2;
244
        break;
245
    case USB_REQ_CLEAR_FEATURE:
246
        if (req->bRequestType == USB_RECIP_ENDPOINT && req->wValue == USB_ENDPOINT_HALT)
247
            usb_drv_stall(req->wIndex & 0xf, false, req->wIndex >> 7);
248
        size = 0;
249
        break;
250
    case USB_REQ_SET_FEATURE:
251
        size = 0;
252
        break;
253
    case USB_REQ_SET_ADDRESS:
254
        size = 0;
255
        usb_drv_cancel_all_transfers();
256
        usb_drv_set_address(req->wValue);
257
        usb_setup_dbg_listener();
258
        break;
259
    case USB_REQ_GET_DESCRIPTOR:
260
        switch (req->wValue >> 8)
261
        {
262
        case USB_DT_DEVICE:
263
            addr = &device_descriptor;
264
            size = sizeof(device_descriptor);
265
            break;
266
        case USB_DT_OTHER_SPEED_CONFIG:
267
        case USB_DT_CONFIG:
268
            if ((req->wValue >> 8) == USB_DT_CONFIG)
269
            {
270
                int maxpacket = usb_drv_port_speed() ? 512 : 64;
271
                config_bundle.endpoint1_descriptor.wMaxPacketSize = maxpacket;
272
                config_bundle.endpoint2_descriptor.wMaxPacketSize = maxpacket;
273
                config_bundle.endpoint3_descriptor.wMaxPacketSize = maxpacket;
274
                config_bundle.endpoint4_descriptor.wMaxPacketSize = maxpacket;
275
                config_bundle.config_descriptor.bDescriptorType = USB_DT_CONFIG;
276
            }
277
            else
278
            {
279
                int maxpacket = usb_drv_port_speed() ? 64 : 512;
280
                config_bundle.endpoint1_descriptor.wMaxPacketSize = maxpacket;
281
                config_bundle.endpoint2_descriptor.wMaxPacketSize = maxpacket;
282
                config_bundle.endpoint3_descriptor.wMaxPacketSize = maxpacket;
283
                config_bundle.endpoint4_descriptor.wMaxPacketSize = maxpacket;
284
                config_bundle.config_descriptor.bDescriptorType = USB_DT_OTHER_SPEED_CONFIG;
285
            }
286
            addr = &config_bundle;
287
            size = sizeof(config_bundle);
288
            break;
289
        case USB_DT_STRING:
290
            switch (req->wValue & 0xff)
291
            {
292
            case 0:
293
                addr = &lang_descriptor;
234 theseven 294
                size = lang_descriptor.bLength;
15 theseven 295
                break;
296
            case 1:
297
                string_devicename.bLength = 14;
298
                addr = &string_devicename;
234 theseven 299
                size = string_devicename.bLength;
300
                break;
15 theseven 301
            case 2:
235 theseven 302
                string_devicename.bLength = 32;
15 theseven 303
                addr = &string_devicename;
234 theseven 304
                size = string_devicename.bLength;
15 theseven 305
                break;
306
            }
307
            break;
308
        }
309
        break;
310
    case USB_REQ_GET_CONFIGURATION:
311
        ctrlresp[0] = 1;
312
        addr = ctrlresp;
313
        size = 1;
314
        break;
315
    case USB_REQ_SET_CONFIGURATION:
316
        usb_drv_cancel_all_transfers();
317
        usb_setup_dbg_listener();
318
        size = 0;
319
        break;
320
    }
321
    if (!size) usb_drv_send_nonblocking(0, NULL, 0);
322
    else if (size == -1)
323
    {
324
        usb_drv_stall(0, true, true);
325
        usb_drv_stall(0, true, false);
326
    }
327
    else
328
    {
329
        usb_drv_recv(0, NULL, 0);
330
        usb_drv_send_nonblocking(0, addr, size > req->wLength ? req->wLength : size);
331
    }
332
}
333
 
29 theseven 334
bool set_dbgaction(enum dbgaction_t action, int addsize)
15 theseven 335
{
336
    if (dbgaction != DBGACTION_IDLE)
337
    {
338
        dbgsendbuf[0] = 3;
29 theseven 339
        usb_drv_send_nonblocking(dbgendpoints[1], dbgsendbuf, 16 + addsize);
15 theseven 340
        return true;
341
    }
342
    dbgaction = action;
343
    wakeup_signal(&dbgwakeup);
344
    return false;
345
}
346
 
347
void reset() __attribute__((noreturn));
348
 
349
void usb_handle_transfer_complete(int endpoint, int dir, int status, int length)
350
{
351
    void* addr = dbgsendbuf;
352
    int size = 0;
353
    if (endpoint == dbgendpoints[0])
354
    {
226 theseven 355
#ifdef USB_HAVE_TARGET_SPECIFIC_REQUESTS
356
        if (dbgrecvbuf[0] >= 0xffff0000)
357
        {
358
            if (!set_dbgaction(DBGACTION_TARGETSPECIFIC, 0))
359
                memcpy(dbgasyncsendbuf, dbgrecvbuf, sizeof(dbgasyncsendbuf));
360
            usb_setup_dbg_listener();
361
            return;
362
        }
363
#endif
15 theseven 364
        switch (dbgrecvbuf[0])
365
        {
28 theseven 366
        case 1:  // GET INFO
15 theseven 367
            dbgsendbuf[0] = 1;
368
            size = 16;
28 theseven 369
            switch (dbgrecvbuf[1])
370
            {
371
            case 0:  // GET VERSION INFO
85 theseven 372
                dbgsendbuf[1] = VERSION_SVN_INT;
373
                dbgsendbuf[2] = VERSION_MAJOR | (VERSION_MINOR << 8)
429 theseven 374
                              | (VERSION_PATCH << 16) | (2 << 24);
85 theseven 375
                dbgsendbuf[3] = PLATFORM_ID;
28 theseven 376
                break;
377
            case 1:  // GET PACKET SIZE INFO
378
                dbgsendbuf[1] = 0x02000200;
379
                dbgsendbuf[2] = usb_drv_get_max_out_size();
380
                dbgsendbuf[3] = usb_drv_get_max_in_size();
381
                break;
35 theseven 382
            case 2:  // GET USER MEMORY INFO
438 theseven 383
                dbgsendbuf[1] = (uint32_t)&_poolstart;
384
                dbgsendbuf[2] = (uint32_t)&_poolend;
35 theseven 385
                break;
28 theseven 386
            default:
387
                dbgsendbuf[0] = 2;
388
            }
15 theseven 389
            break;
390
        case 2:  // RESET
29 theseven 391
            if (dbgrecvbuf[1])
392
            {
393
                if (set_dbgaction(DBGACTION_RESET, 0)) break;
394
                dbgsendbuf[0] = 1;
395
                size = 16;
396
            }
397
            else reset();
15 theseven 398
            break;
399
        case 3:  // POWER OFF
29 theseven 400
            if (set_dbgaction(DBGACTION_POWEROFF, 0)) break;
401
            dbgactiontype = dbgrecvbuf[1];
402
            dbgsendbuf[0] = 1;
403
            size = 16;
15 theseven 404
            break;
405
        case 4:  // READ MEMORY
406
            dbgsendbuf[0] = 1;
407
            memcpy(&dbgsendbuf[4], (const void*)dbgrecvbuf[1], dbgrecvbuf[2]);
408
            size = dbgrecvbuf[2] + 16;
409
            break;
410
        case 5:  // WRITE MEMORY
411
            dbgsendbuf[0] = 1;
412
            memcpy((void*)dbgrecvbuf[1], &dbgrecvbuf[4], dbgrecvbuf[2]);
413
            size = 16;
414
            break;
415
        case 6:  // READ DMA
416
            dbgsendbuf[0] = 1;
417
            usb_drv_send_nonblocking(dbgendpoints[1], dbgsendbuf, 16);
418
            usb_drv_send_nonblocking(dbgendpoints[3], (const void*)dbgrecvbuf[1], dbgrecvbuf[2]);
419
            break;
420
        case 7:  // WRITE DMA
421
            dbgsendbuf[0] = 1;
422
            size = 16;
423
            usb_drv_recv(dbgendpoints[2], (void*)dbgrecvbuf[1], dbgrecvbuf[2]);
424
            break;
85 theseven 425
#ifdef HAVE_I2C
15 theseven 426
        case 8:  // READ I2C
29 theseven 427
            if (set_dbgaction(DBGACTION_I2CRECV, dbgrecvbuf[1] >> 24)) break;
15 theseven 428
            dbgi2cbus = dbgrecvbuf[1] & 0xff;
429
            dbgi2cslave = (dbgrecvbuf[1] >> 8) & 0xff;
29 theseven 430
            dbgactionaddr = (dbgrecvbuf[1] >> 16) & 0xff;
431
            dbgactionlength = dbgrecvbuf[1] >> 24;
175 theseven 432
            if (!dbgactionlength) dbgactionlength = 256;
15 theseven 433
            break;
434
        case 9:  // WRITE I2C
29 theseven 435
            if (set_dbgaction(DBGACTION_I2CSEND, 0)) break;
15 theseven 436
            dbgi2cbus = dbgrecvbuf[1] & 0xff;
437
            dbgi2cslave = (dbgrecvbuf[1] >> 8) & 0xff;
29 theseven 438
            dbgactionaddr = (dbgrecvbuf[1] >> 16) & 0xff;
439
            dbgactionlength = dbgrecvbuf[1] >> 24;
175 theseven 440
            if (!dbgactionlength) dbgactionlength = 256;
212 theseven 441
            memcpy(dbgasyncsendbuf, &dbgrecvbuf[4], dbgactionlength);
15 theseven 442
            break;
85 theseven 443
#endif
25 theseven 444
        case 10:  // READ CONSOLE
445
            dbgconsoleattached = true;
446
            int bytes = dbgconsendwriteidx - dbgconsendreadidx;
336 theseven 447
            int used = 0;
25 theseven 448
            if (bytes)
449
            {
450
                if (bytes < 0) bytes += sizeof(dbgconsendbuf);
336 theseven 451
                used = bytes;
25 theseven 452
                if (bytes > dbgrecvbuf[1]) bytes = dbgrecvbuf[1];
453
                int readbytes = bytes;
454
                char* outptr = (char*)&dbgsendbuf[4];
455
                if (dbgconsendreadidx + bytes >= sizeof(dbgconsendbuf))
456
                {
457
                    readbytes = sizeof(dbgconsendbuf) - dbgconsendreadidx;
458
                    memcpy(outptr, &dbgconsendbuf[dbgconsendreadidx], readbytes);
459
                    dbgconsendreadidx = 0;
460
                    outptr = &outptr[readbytes];
461
                    readbytes = bytes - readbytes;
462
                }
463
                if (readbytes) memcpy(outptr, &dbgconsendbuf[dbgconsendreadidx], readbytes);
464
                dbgconsendreadidx += readbytes;
26 theseven 465
                wakeup_signal(&dbgconsendwakeup);
25 theseven 466
            }
467
            dbgsendbuf[0] = 1;
468
            dbgsendbuf[1] = bytes;
469
            dbgsendbuf[2] = sizeof(dbgconsendbuf);
336 theseven 470
            dbgsendbuf[3] = used - bytes;
25 theseven 471
            size = 16 + dbgrecvbuf[1];
472
            break;
26 theseven 473
        case 11:  // WRITE CONSOLE
474
            bytes = dbgconrecvreadidx - dbgconrecvwriteidx - 1;
475
            if (bytes < 0) bytes += sizeof(dbgconrecvbuf);
476
            if (bytes)
477
            {
478
                if (bytes > dbgrecvbuf[1]) bytes = dbgrecvbuf[1];
479
                int writebytes = bytes;
480
                char* readptr = (char*)&dbgrecvbuf[4];
481
                if (dbgconrecvwriteidx + bytes >= sizeof(dbgconrecvbuf))
482
                {
483
                    writebytes = sizeof(dbgconrecvbuf) - dbgconrecvwriteidx;
484
                    memcpy(&dbgconrecvbuf[dbgconrecvwriteidx], readptr, writebytes);
485
                    dbgconrecvwriteidx = 0;
486
                    readptr = &readptr[writebytes];
487
                    writebytes = bytes - writebytes;
488
                }
489
                if (writebytes) memcpy(&dbgconrecvbuf[dbgconrecvwriteidx], readptr, writebytes);
490
                dbgconrecvwriteidx += writebytes;
491
                wakeup_signal(&dbgconrecvwakeup);
492
            }
493
            dbgsendbuf[0] = 1;
494
            dbgsendbuf[1] = bytes;
495
            dbgsendbuf[2] = sizeof(dbgconrecvbuf);
496
            dbgsendbuf[3] = dbgconrecvreadidx - dbgconrecvwriteidx - 1;
497
            size = 16;
498
            break;
29 theseven 499
        case 12:  // CWRITE
500
            if (set_dbgaction(DBGACTION_CWRITE, 0)) break;
501
            dbgactionconsoles = dbgrecvbuf[1];
502
            dbgactionlength = dbgrecvbuf[2];
503
            memcpy(dbgasyncsendbuf, &dbgrecvbuf[4], dbgactionlength);
504
            break;
505
        case 13:  // CREAD
506
            if (set_dbgaction(DBGACTION_CREAD, dbgrecvbuf[2])) break;
507
            dbgactionconsoles = dbgrecvbuf[1];
508
            dbgactionlength = dbgrecvbuf[2];
509
            break;
510
        case 14:  // CFLUSH
511
            if (set_dbgaction(DBGACTION_CFLUSH, 0)) break;
512
            dbgactionconsoles = dbgrecvbuf[1];
513
            break;
31 theseven 514
        case 15:  // GET PROCESS INFO
515
            dbgsendbuf[0] = 1;
516
            dbgsendbuf[1] = SCHEDULER_THREAD_INFO_VERSION;
429 theseven 517
            dbgsendbuf[2] = (uint32_t)head_thread;
518
            size = 16;
31 theseven 519
            break;
34 theseven 520
        case 16:  // FREEZE SCHEDULER
54 theseven 521
            dbgsendbuf[1] = scheduler_freeze(dbgrecvbuf[1]);
595 theseven 522
            scheduler_switch(NULL, NULL);
34 theseven 523
            dbgsendbuf[0] = 1;
524
            size = 16;
525
            break;
35 theseven 526
        case 17:  // SUSPEND THREAD
54 theseven 527
            if (dbgrecvbuf[1])
528
            {
429 theseven 529
                if (thread_suspend((struct scheduler_thread*)(dbgrecvbuf[2])) == ALREADY_SUSPENDED)
530
                    dbgsendbuf[1] = 1;
54 theseven 531
                else dbgsendbuf[1] = 0;
532
            }
533
            else
534
            {
429 theseven 535
                if (thread_resume((struct scheduler_thread*)(dbgrecvbuf[2])) == ALREADY_RESUMED)
536
                    dbgsendbuf[1] = 0;
54 theseven 537
                else dbgsendbuf[1] = 1;
538
            }
35 theseven 539
            dbgsendbuf[0] = 1;
540
            size = 16;
541
            break;
542
        case 18:  // KILL THREAD
429 theseven 543
            thread_terminate((struct scheduler_thread*)(dbgrecvbuf[1]));
35 theseven 544
            dbgsendbuf[0] = 1;
545
            size = 16;
546
            break;
438 theseven 547
        case 19:  // CREATE THREAD
35 theseven 548
            dbgsendbuf[0] = 1;
429 theseven 549
            dbgsendbuf[1] = (uint32_t)thread_create(NULL, (const char*)(dbgsendbuf[1]),
550
                                                    (const void*)(dbgsendbuf[2]),
551
                                                    (char*)(dbgsendbuf[3]),
552
                                                    dbgsendbuf[4], (enum thread_type)dbgsendbuf[5],
553
                                                    dbgsendbuf[6], dbgsendbuf[7]);
35 theseven 554
            size = 16;
555
            break;
556
        case 20:  // FLUSH CACHE
557
            clean_dcache();
558
            invalidate_icache();
559
            dbgsendbuf[0] = 1;
560
            size = 16;
561
            break;
92 theseven 562
        case 21:  // EXECIMAGE
563
            if (set_dbgaction(DBGACTION_EXECIMAGE, 0)) break;
564
            dbgactionaddr = dbgrecvbuf[1];
453 theseven 565
            dbgactiontype = dbgrecvbuf[2];
92 theseven 566
            break;
95 theseven 567
#ifdef HAVE_BOOTFLASH
568
        case 22:  // READ BOOT FLASH
569
            if (set_dbgaction(DBGACTION_READBOOTFLASH, 0)) break;
570
            dbgactionaddr = dbgrecvbuf[1];
571
            dbgactionoffset = dbgrecvbuf[2];
572
            dbgactionlength = dbgrecvbuf[3];
573
            break;
574
        case 23:  // WRITE BOOT FLASH
575
            if (set_dbgaction(DBGACTION_WRITEBOOTFLASH, 0)) break;
576
            dbgactionaddr = dbgrecvbuf[1];
577
            dbgactionoffset = dbgrecvbuf[2];
578
            dbgactionlength = dbgrecvbuf[3];
579
            break;
580
#endif
127 theseven 581
        case 24:  // EXECFIRMWARE
582
            if (set_dbgaction(DBGACTION_EXECFIRMWARE, 0)) break;
583
            dbgactionaddr = dbgrecvbuf[1];
438 theseven 584
            dbgactionoffset = dbgrecvbuf[2];
585
            dbgactionlength = dbgrecvbuf[3];
127 theseven 586
            break;
157 theseven 587
#ifdef HAVE_HWKEYAES
588
        case 25:  // HWKEYAES
589
            if (set_dbgaction(DBGACTION_HWKEYAES, 0)) break;
590
            dbgactiontype = ((uint8_t*)dbgrecvbuf)[4];
591
            dbgactionoffset = ((uint16_t*)dbgrecvbuf)[3];
592
            dbgactionaddr = dbgrecvbuf[2];
593
            dbgactionlength = dbgrecvbuf[3];
179 theseven 594
            break;
157 theseven 595
#endif
596
#ifdef HAVE_HMACSHA1
597
        case 26:  // HMACSHA1
598
            if (set_dbgaction(DBGACTION_HMACSHA1, 0)) break;
599
            dbgactionaddr = dbgrecvbuf[1];
600
            dbgactionlength = dbgrecvbuf[2];
601
            dbgactionoffset = dbgrecvbuf[3];
179 theseven 602
            break;
157 theseven 603
#endif
346 theseven 604
#ifdef HAVE_STORAGE
605
        case 27:  // STORAGE_GET_INFO
606
        case 28:  // STORAGE_READ_SECTORS_MD
607
        case 29:  // STORAGE_WRITE_SECTORS_MD
608
        case 30:  // FILE_OPEN
609
        case 31:  // FILESIZE
610
        case 32:  // READ
611
        case 33:  // WRITE
612
        case 34:  // LSEEK
613
        case 35:  // FTRUNCATE
614
        case 36:  // FSYNC
615
        case 37:  // CLOSE
616
        case 38:  // CLOSE_MONITOR_FILES
617
        case 39:  // RELEASE_FILES
618
        case 40:  // REMOVE
619
        case 41:  // RENAME
620
        case 42:  // OPENDIR
621
        case 43:  // READDIR
622
        case 44:  // CLOSEDIR
623
        case 45:  // CLOSE_MONITOR_DIRS
624
        case 46:  // RELEASE_DIRS
625
        case 47:  // MKDIR
626
        case 48:  // RMDIR
627
        case 49:  // ERRNO
628
#ifdef HAVE_HOTSWAP
629
        case 50:  // DISK_MOUNT
630
        case 51:  // DISK_UNMOUNT
631
#endif
479 theseven 632
        case 58:  // FAT_ENABLE_FLUSHING
634 theseven 633
        case 59:  // FAT_SIZE
346 theseven 634
            if (!set_dbgaction(DBGACTION_STORAGE, 0))
635
                memcpy(dbgasyncsendbuf, dbgrecvbuf, sizeof(dbgasyncsendbuf));
636
            break;
637
#endif
438 theseven 638
        case 52:  // MALLOC
639
            if (set_dbgaction(DBGACTION_MALLOC, 0)) break;
640
            dbgactionlength = dbgrecvbuf[1];
641
            break;
642
        case 53:  // MEMALIGN
643
            if (set_dbgaction(DBGACTION_MEMALIGN, 0)) break;
644
            dbgactionoffset = dbgrecvbuf[1];
645
            dbgactionlength = dbgrecvbuf[2];
646
            break;
647
        case 54:  // REALLOC
648
            if (set_dbgaction(DBGACTION_REALLOC, 0)) break;
649
            dbgactionaddr = dbgrecvbuf[1];
650
            dbgactionlength = dbgrecvbuf[2];
651
            break;
652
        case 55:  // REOWNALLOC
653
            if (set_dbgaction(DBGACTION_REOWNALLOC, 0)) break;
654
            dbgactionaddr = dbgrecvbuf[1];
655
            dbgactionoffset = dbgrecvbuf[2];
656
            break;
657
        case 56:  // FREE
658
            if (set_dbgaction(DBGACTION_FREE, 0)) break;
659
            dbgactionaddr = dbgrecvbuf[1];
660
            break;
471 theseven 661
        case 57:  // FREE MONITOR ALLOCATIONS
662
            if (set_dbgaction(DBGACTION_FREEMONITOR, 0)) break;
663
            break;
15 theseven 664
        default:
665
            dbgsendbuf[0] = 2;
666
            size = 16;
667
        }
668
        usb_setup_dbg_listener();
669
        if (size) usb_drv_send_nonblocking(dbgendpoints[1], addr, size);
670
    }
671
}
672
 
673
void usb_handle_bus_reset(void)
674
{
675
    dbgendpoints[0] = usb_drv_request_endpoint(USB_ENDPOINT_XFER_BULK, USB_DIR_OUT);
676
    dbgendpoints[1] = usb_drv_request_endpoint(USB_ENDPOINT_XFER_BULK, USB_DIR_IN);
677
    dbgendpoints[2] = usb_drv_request_endpoint(USB_ENDPOINT_XFER_BULK, USB_DIR_OUT);
678
    dbgendpoints[3] = usb_drv_request_endpoint(USB_ENDPOINT_XFER_BULK, USB_DIR_IN);
679
    config_bundle.endpoint1_descriptor.bEndpointAddress = dbgendpoints[0];
680
    config_bundle.endpoint2_descriptor.bEndpointAddress = dbgendpoints[1];
681
    config_bundle.endpoint3_descriptor.bEndpointAddress = dbgendpoints[2];
682
    config_bundle.endpoint4_descriptor.bEndpointAddress = dbgendpoints[3];
683
    usb_setup_dbg_listener();
684
}
685
 
686
void dbgthread(void)
687
{
429 theseven 688
    struct scheduler_thread* t;
15 theseven 689
    while (1)
690
    {
691
        wakeup_wait(&dbgwakeup, TIMEOUT_BLOCK);
429 theseven 692
        for (t = head_thread; t; t = t->thread_next)
693
            if (t->state == THREAD_DEFUNCT)
15 theseven 694
            {
429 theseven 695
                if (t->block_type == THREAD_DEFUNCT_STKOV)
35 theseven 696
                {
429 theseven 697
                    if (t->name) cprintf(1, "\n*PANIC*\nStack overflow! (%s)\n", t->name);
698
                    else cprintf(1, "\n*PANIC*\nStack overflow! (%08X)\n", t);
35 theseven 699
                }
429 theseven 700
                t->state = THREAD_DEFUNCT_ACK;
15 theseven 701
            }
702
        if (dbgaction != DBGACTION_IDLE)
703
        {
704
            switch (dbgaction)
705
            {
85 theseven 706
#ifdef HAVE_I2C
15 theseven 707
            case DBGACTION_I2CSEND:
29 theseven 708
                i2c_send(dbgi2cbus, dbgi2cslave, dbgactionaddr,
709
                         (uint8_t*)dbgasyncsendbuf, dbgactionlength);
15 theseven 710
                dbgasyncsendbuf[0] = 1;
711
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
712
                break;
713
            case DBGACTION_I2CRECV:
29 theseven 714
                i2c_recv(dbgi2cbus, dbgi2cslave, dbgactionaddr,
715
                         (uint8_t*)(&dbgasyncsendbuf[4]), dbgactionlength);
15 theseven 716
                dbgasyncsendbuf[0] = 1;
29 theseven 717
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16 + dbgactionlength);
15 theseven 718
                break;
85 theseven 719
#endif
15 theseven 720
            case DBGACTION_POWEROFF:
127 theseven 721
                if (dbgactiontype) shutdown(true);
54 theseven 722
                power_off();
15 theseven 723
                break;
29 theseven 724
            case DBGACTION_RESET:
439 theseven 725
                shutdown(false);
29 theseven 726
                reset();
727
                break;
728
            case DBGACTION_CWRITE:
729
                cwrite(dbgactionconsoles, (const char*)dbgasyncsendbuf, dbgactionlength);
730
                dbgasyncsendbuf[0] = 1;
731
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
732
                break;
733
            case DBGACTION_CREAD:
734
                dbgasyncsendbuf[0] = 1;
30 theseven 735
                dbgasyncsendbuf[1] = cread(dbgactionconsoles, (char*)&dbgasyncsendbuf[4],
736
                                           dbgactionlength, 0);
226 theseven 737
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16 + dbgactionlength);
29 theseven 738
                break;
739
            case DBGACTION_CFLUSH:
740
                cflush(dbgactionconsoles);
741
                dbgasyncsendbuf[0] = 1;
742
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
743
                break;
92 theseven 744
            case DBGACTION_EXECIMAGE:
745
                dbgasyncsendbuf[0] = 1;
453 theseven 746
                dbgasyncsendbuf[1] = (uint32_t)execimage((void*)dbgactionaddr, dbgactiontype);
92 theseven 747
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
748
                break;
127 theseven 749
            case DBGACTION_EXECFIRMWARE:
750
                dbgasyncsendbuf[0] = 1;
751
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
439 theseven 752
                shutdown(false);
438 theseven 753
                execfirmware((void*)dbgactionaddr, (void*)dbgactionoffset,
754
                             (size_t)dbgactionlength);
95 theseven 755
#ifdef HAVE_BOOTFLASH
756
            case DBGACTION_READBOOTFLASH:
757
                bootflash_readraw((void*)dbgactionaddr, dbgactionoffset, dbgactionlength);
758
                dbgasyncsendbuf[0] = 1;
759
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
760
                break;
761
            case DBGACTION_WRITEBOOTFLASH:
762
                bootflash_writeraw((void*)dbgactionaddr, dbgactionoffset, dbgactionlength);
763
                dbgasyncsendbuf[0] = 1;
764
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
765
                break;
766
#endif
157 theseven 767
#ifdef HAVE_HWKEYAES
768
            case DBGACTION_HWKEYAES:
769
                hwkeyaes((enum hwkeyaes_direction) dbgactiontype, dbgactionoffset,
770
                         (void*)dbgactionaddr, dbgactionlength);
771
                dbgasyncsendbuf[0] = 1;
772
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
773
                break;
774
#endif
775
#ifdef HAVE_HMACSHA1
776
            case DBGACTION_HMACSHA1:
777
                hmacsha1((void*)dbgactionaddr, dbgactionlength, (void*)dbgactionoffset);
778
                dbgasyncsendbuf[0] = 1;
779
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
780
                break;
781
#endif
226 theseven 782
#ifdef USB_HAVE_TARGET_SPECIFIC_REQUESTS
783
            case DBGACTION_TARGETSPECIFIC:
784
            {
785
                int size = usb_target_handle_request(dbgasyncsendbuf, sizeof(dbgasyncsendbuf));
786
                if (size) usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, size);
787
                break;
15 theseven 788
            }
226 theseven 789
#endif
346 theseven 790
#ifdef HAVE_STORAGE
791
            case DBGACTION_STORAGE:
792
                switch(dbgasyncsendbuf[0])
793
                {
794
                case 27:  // STORAGE_GET_INFO
795
                    dbgasyncsendbuf[0] = 1;
796
                    storage_get_info(dbgasyncsendbuf[1],
797
                                     (struct storage_info*)&dbgasyncsendbuf[4]);
798
                    dbgasyncsendbuf[1] = 1;
799
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf,
800
                                             16 + sizeof(struct storage_info));
801
                    break;
802
                case 28:  // STORAGE_READ_SECTORS_MD
803
                {
804
                    dbgasyncsendbuf[0] = 1;
805
                    int rc = storage_read_sectors_md(dbgasyncsendbuf[1],
806
                                                     dbgasyncsendbuf[2]
807
                                                   | (((uint64_t)(dbgasyncsendbuf[3]) << 32)),
808
                                                     dbgasyncsendbuf[4],
809
                                                     (void*)(dbgasyncsendbuf[5]));
810
                    dbgasyncsendbuf[1] = (uint32_t)rc;
811
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
812
                    break;
813
                }
814
                case 29:  // STORAGE_WRITE_SECTORS_MD
815
                {
816
                    dbgasyncsendbuf[0] = 1;
817
                    int rc = storage_write_sectors_md(dbgasyncsendbuf[1],
818
                                                      dbgasyncsendbuf[2]
819
                                                    | (((uint64_t)(dbgasyncsendbuf[3]) << 32)),
820
                                                      dbgasyncsendbuf[4],
821
                                                      (void*)(dbgasyncsendbuf[5]));
822
                    dbgasyncsendbuf[1] = (uint32_t)rc;
823
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
824
                    break;
825
                }
826
                case 30:  // FILE_OPEN
827
                {
828
                    dbgasyncsendbuf[0] = 1;
829
                    int fd = file_open((char*)(&dbgasyncsendbuf[4]), (int)(dbgasyncsendbuf[1]));
830
                    dbgasyncsendbuf[1] = (uint32_t)fd;
831
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
832
                    break;
833
                }
834
                case 31:  // FILESIZE
835
                    dbgasyncsendbuf[0] = 1;
836
                    dbgasyncsendbuf[1] = (uint32_t)filesize((int)(dbgasyncsendbuf[1]));
837
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
838
                    break;
839
                case 32:  // READ
840
                    dbgasyncsendbuf[0] = 1;
841
                    dbgasyncsendbuf[1] = (uint32_t)read((int)(dbgasyncsendbuf[1]),
842
                                                        (void*)(dbgasyncsendbuf[2]),
843
                                                        (size_t)(dbgasyncsendbuf[3]));
844
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
845
                    break;
846
                case 33:  // WRITE
847
                    dbgasyncsendbuf[0] = 1;
848
                    dbgasyncsendbuf[1] = (uint32_t)write((int)(dbgasyncsendbuf[1]),
849
                                                         (void*)(dbgasyncsendbuf[2]),
850
                                                         (size_t)(dbgasyncsendbuf[3]));
851
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
852
                    break;
853
                case 34:  // LSEEK
854
                    dbgasyncsendbuf[0] = 1;
855
                    dbgasyncsendbuf[1] = (uint32_t)lseek((int)(dbgasyncsendbuf[1]),
856
                                                         (off_t)(dbgasyncsendbuf[2]),
857
                                                         (int)(dbgasyncsendbuf[3]));
858
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
859
                    break;
860
                case 35:  // FTRUNCATE
861
                    dbgasyncsendbuf[0] = 1;
862
                    dbgasyncsendbuf[1] = (uint32_t)ftruncate((int)(dbgasyncsendbuf[1]),
863
                                                             (off_t)(dbgasyncsendbuf[2]));
864
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
865
                    break;
866
                case 36:  // FSYNC
867
                    dbgasyncsendbuf[0] = 1;
868
                    dbgasyncsendbuf[1] = (uint32_t)fsync((int)(dbgasyncsendbuf[1]));
869
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
870
                    break;
871
                case 37:  // CLOSE
872
                    dbgasyncsendbuf[0] = 1;
873
                    dbgasyncsendbuf[1] = (uint32_t)close((int)(dbgasyncsendbuf[1]));
874
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
875
                    break;
876
                case 38:  // CLOSE_MONITOR_FILES
877
                    dbgasyncsendbuf[0] = 1;
878
                    dbgasyncsendbuf[1] = (uint32_t)close_all_of_process(current_thread);
879
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
880
                    break;
881
                case 39:  // RELEASE_FILES
882
                    dbgasyncsendbuf[0] = 1;
883
                    dbgasyncsendbuf[1] = (uint32_t)release_files((int)(dbgasyncsendbuf[1]));
884
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
885
                    break;
886
                case 40:  // REMOVE
887
                    dbgasyncsendbuf[0] = 1;
888
                    dbgasyncsendbuf[1] = (uint32_t)remove((char*)(&dbgasyncsendbuf[4]));
889
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
890
                    break;
891
                case 41:  // RENAME
892
                    dbgasyncsendbuf[0] = 1;
893
                    dbgasyncsendbuf[1] = (uint32_t)rename((char*)(&dbgasyncsendbuf[4]),
894
                                                          (char*)(&dbgasyncsendbuf[66]));
895
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
896
                    break;
897
                case 42:  // OPENDIR
898
                    dbgasyncsendbuf[0] = 1;
899
                    dbgasyncsendbuf[1] = (uint32_t)opendir((char*)(&dbgasyncsendbuf[4]));
900
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
901
                    break;
902
                case 43:  // READDIR
903
                    dbgasyncsendbuf[0] = 1;
904
                    dbgasyncsendbuf[3] = (uint32_t)readdir((DIR*)(dbgasyncsendbuf[1]));
905
                    dbgasyncsendbuf[1] = 1;
906
                    dbgasyncsendbuf[2] = MAX_PATH;
907
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
908
                    break;
909
                case 44:  // CLOSEDIR
910
                    dbgasyncsendbuf[0] = 1;
911
                    dbgasyncsendbuf[1] = (uint32_t)closedir((DIR*)(dbgasyncsendbuf[1]));
912
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
913
                    break;
914
                case 45:  // CLOSE_MONITOR_DIRS
915
                    dbgasyncsendbuf[0] = 1;
916
                    dbgasyncsendbuf[1] = (uint32_t)closedir_all_of_process(current_thread);
917
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
918
                    break;
919
                case 46:  // RELEASE_DIRS
920
                    dbgasyncsendbuf[0] = 1;
921
                    dbgasyncsendbuf[1] = (uint32_t)release_dirs((int)(dbgasyncsendbuf[1]));
922
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
923
                    break;
924
                case 47:  // MKDIR
925
                    dbgasyncsendbuf[0] = 1;
926
                    dbgasyncsendbuf[1] = (uint32_t)mkdir((char*)(&dbgasyncsendbuf[4]));
927
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
928
                    break;
929
                case 48:  // RMDIR
930
                    dbgasyncsendbuf[0] = 1;
931
                    dbgasyncsendbuf[1] = (uint32_t)rmdir((char*)(&dbgasyncsendbuf[4]));
932
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
933
                    break;
934
                case 49:  // ERRNO
935
                    dbgasyncsendbuf[0] = 1;
936
                    dbgasyncsendbuf[1] = (uint32_t)errno;
937
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
938
                    break;
939
#ifdef HAVE_HOTSWAP
940
                case 50:  // DISK_MOUNT
941
                    dbgasyncsendbuf[0] = 1;
942
                    dbgasyncsendbuf[1] = (uint32_t)disk_mount((int)(dbgasyncsendbuf[1]));
943
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
944
                    break;
945
                case 51:  // DISK_UNMOUNT
946
                    dbgasyncsendbuf[0] = 1;
947
                    dbgasyncsendbuf[1] = (uint32_t)disk_unmount((int)(dbgasyncsendbuf[1]));
948
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
949
                    break;
950
#endif
479 theseven 951
                case 58:  // FAT_ENABLE_FLUSHING
952
                    dbgasyncsendbuf[0] = 1;
953
                    fat_enable_flushing((bool)(dbgasyncsendbuf[1]));
954
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
955
                    break;
634 theseven 956
                case 59:  // FAT_SIZE
957
                    dbgasyncsendbuf[0] = 1;
958
                    fat_size_mv(dbgasyncsendbuf[1], &dbgasyncsendbuf[1], &dbgasyncsendbuf[2]);
959
                    usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
960
                    break;
346 theseven 961
                }
962
                break;
963
#endif
438 theseven 964
            case DBGACTION_MALLOC:
965
                dbgasyncsendbuf[0] = 1;
966
                dbgasyncsendbuf[1] = (uint32_t)malloc((size_t)dbgactionlength);
967
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
968
                break;
969
            case DBGACTION_MEMALIGN:
970
                dbgasyncsendbuf[0] = 1;
971
                dbgasyncsendbuf[1] = (uint32_t)memalign((size_t)dbgactionoffset,
972
                                                        (size_t)dbgactionlength);
973
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
974
                break;
975
            case DBGACTION_REALLOC:
976
                dbgasyncsendbuf[0] = 1;
977
                dbgasyncsendbuf[1] = (uint32_t)realloc((void*)dbgactionaddr,
978
                                                       (size_t)dbgactionlength);
979
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
980
                break;
981
            case DBGACTION_REOWNALLOC:
982
                dbgasyncsendbuf[0] = 1;
983
                reownalloc((void*)dbgactionaddr, (void*)dbgactionoffset);
984
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
985
                break;
986
            case DBGACTION_FREE:
987
                dbgasyncsendbuf[0] = 1;
988
                free((void*)dbgactionaddr);
989
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
990
                break;
471 theseven 991
            case DBGACTION_FREEMONITOR:
992
                dbgasyncsendbuf[0] = 1;
993
                dbgasyncsendbuf[1] = (uint32_t)free_all_of_thread(current_thread);
994
                usb_drv_send_nonblocking(dbgendpoints[1], dbgasyncsendbuf, 16);
995
                break;
226 theseven 996
            }
15 theseven 997
            dbgaction = DBGACTION_IDLE;
998
        }
999
    }
1000
}
1001
 
1002
void usb_init(void)
1003
{
1004
    dbgaction = DBGACTION_IDLE;
1005
    wakeup_init(&dbgwakeup);
25 theseven 1006
    dbgconsendreadidx = 0;
1007
    dbgconsendwriteidx = 0;
1008
    dbgconrecvreadidx = 0;
1009
    dbgconrecvwriteidx = 0;
1010
    wakeup_init(&dbgconsendwakeup);
1011
    wakeup_init(&dbgconrecvwakeup);
85 theseven 1012
    dbgconsoleattached = false;
429 theseven 1013
    thread_create(&dbgthread_handle, "monitor worker", dbgthread, dbgstack,
1014
                  sizeof(dbgstack), CORE_THREAD, 255, true);
15 theseven 1015
    usb_drv_init();
1016
}
25 theseven 1017
 
1018
int dbgconsole_getfree() ICODE_ATTR;
1019
int dbgconsole_getfree()
1020
{
1021
    int free = dbgconsendreadidx - dbgconsendwriteidx - 1;
1022
    if (free < 0) free += sizeof(dbgconsendbuf);
1023
    return free;
1024
}
1025
 
1026
int dbgconsole_makespace(int length) ICODE_ATTR;
1027
int dbgconsole_makespace(int length)
1028
{
1029
    int free = dbgconsole_getfree();
1030
    while (!free && dbgconsoleattached)
1031
    {
336 theseven 1032
        dbgconsoleattached = false;
1033
        wakeup_wait(&dbgconsendwakeup, 2000000);
25 theseven 1034
        free = dbgconsole_getfree();
1035
    }
1036
    if (free) return free > length ? length : free;
1037
    if (length > sizeof(dbgconsendbuf) - 17) length = sizeof(dbgconsendbuf) - 17;
1038
    uint32_t mode = enter_critical_section();
1039
    dbgconsendreadidx += length;
1040
    if (dbgconsendreadidx >= sizeof(dbgconsendbuf))
1041
        dbgconsendreadidx -= sizeof(dbgconsendbuf);
1042
    int offset = 0;
1043
    int idx = dbgconsendreadidx;
1044
    if (idx + 16 >= sizeof(dbgconsendbuf))
1045
    {
1046
        offset = sizeof(dbgconsendbuf) - dbgconsendreadidx;
1047
        memcpy(&dbgconsendbuf[dbgconsendreadidx], dbgconoverflowstr, offset);
1048
        idx = 0;
1049
    }
1050
    if (offset != 16) memcpy(&dbgconsendbuf[idx], &dbgconoverflowstr[offset], 16 - offset);
1051
    leave_critical_section(mode);
1052
    return length;
1053
}
1054
 
1055
void dbgconsole_putc(char string)
1056
{
1057
    dbgconsole_makespace(1);
1058
    dbgconsendbuf[dbgconsendwriteidx++] = string;
1059
    if (dbgconsendwriteidx >= sizeof(dbgconsendbuf))
1060
        dbgconsendwriteidx -= sizeof(dbgconsendbuf);
1061
}
1062
 
1063
void dbgconsole_write(const char* string, size_t length)
1064
{
1065
    while (length)
1066
    {
1067
        int space = dbgconsole_makespace(length);
1068
        if (dbgconsendwriteidx + space >= sizeof(dbgconsendbuf))
1069
        {
1070
            int bytes = sizeof(dbgconsendbuf) - dbgconsendwriteidx;
1071
            memcpy(&dbgconsendbuf[dbgconsendwriteidx], string, bytes);
1072
            dbgconsendwriteidx = 0;
1073
            string = &string[bytes];
1074
            space -= bytes;
1075
            length -= bytes;
1076
        }
1077
        if (space) memcpy(&dbgconsendbuf[dbgconsendwriteidx], string, space);
1078
        dbgconsendwriteidx += space;
1079
        string = &string[space];
1080
        length -= space;
1081
    }
1082
}
1083
 
1084
void dbgconsole_puts(const char* string)
1085
{
1086
    dbgconsole_write(string, strlen(string));
1087
}
26 theseven 1088
 
1089
int dbgconsole_getavailable() ICODE_ATTR;
1090
int dbgconsole_getavailable()
1091
{
1092
    int available = dbgconrecvwriteidx - dbgconrecvreadidx;
1093
    if (available < 0) available += sizeof(dbgconrecvbuf);
1094
    return available;
1095
}
1096
 
1097
int dbgconsole_getc(int timeout)
1098
{
1099
    if (!dbgconsole_getavailable())
1100
    {
1101
        wakeup_wait(&dbgconrecvwakeup, TIMEOUT_NONE);
1102
        if (!dbgconsole_getavailable())
1103
        {
1104
            wakeup_wait(&dbgconrecvwakeup, timeout);
1105
            if (!dbgconsole_getavailable()) return -1;
1106
        }
1107
    }
1108
    int byte = dbgconrecvbuf[dbgconrecvreadidx++];
1109
    if (dbgconrecvreadidx >= sizeof(dbgconrecvbuf))
1110
        dbgconrecvreadidx -= sizeof(dbgconrecvbuf);
1111
    return byte;
1112
}
1113
 
1114
int dbgconsole_read(char* buffer, size_t length, int timeout)
1115
{
1116
    if (!length) return 0;
1117
    int available = dbgconsole_getavailable();
1118
    if (!available)
1119
    {
1120
        wakeup_wait(&dbgconrecvwakeup, TIMEOUT_NONE);
1121
        int available = dbgconsole_getavailable();
1122
        if (!available)
1123
        {
1124
            wakeup_wait(&dbgconrecvwakeup, timeout);
1125
            int available = dbgconsole_getavailable();
1126
            if (!available) return 0;
1127
        }
1128
    }
1129
    if (available > length) available = length;
1130
    int left = available;
1131
    if (dbgconrecvreadidx + available >= sizeof(dbgconrecvbuf))
1132
    {
1133
        int bytes = sizeof(dbgconrecvbuf) - dbgconrecvreadidx;
1134
        memcpy(buffer, &dbgconrecvbuf[dbgconrecvreadidx], bytes);
1135
        dbgconrecvreadidx = 0;
1136
        buffer = &buffer[bytes];
1137
        left -= bytes;
1138
    }
1139
    if (left) memcpy(buffer, &dbgconrecvbuf[dbgconrecvreadidx], left);
1140
    dbgconrecvreadidx += left;
1141
    return available;
1142
}
240 theseven 1143
 
1144
void usb_exit(void)
1145
{
1146
    usb_drv_exit();
1147
}