vesa.c (f45c063aa733372110aea20ec8185bb8b5c4438e) vesa.c (ee5e90dab2f9a19b419e622830612bf05cd6cce9)
1/*-
2 * Copyright (c) 1998 Kazutaka YOKOTA and Michael Smith
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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40#include <sys/fbio.h>
41
42#include <vm/vm.h>
43#include <vm/vm_extern.h>
44#include <vm/vm_kern.h>
45#include <vm/vm_param.h>
46#include <vm/pmap.h>
47
1/*-
2 * Copyright (c) 1998 Kazutaka YOKOTA and Michael Smith
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 31 unchanged lines hidden (view full) ---

40#include <sys/fbio.h>
41
42#include <vm/vm.h>
43#include <vm/vm_extern.h>
44#include <vm/vm_kern.h>
45#include <vm/vm_param.h>
46#include <vm/pmap.h>
47
48#include <machine/md_var.h>
49#include <machine/vm86.h>
50#include <machine/pc/bios.h>
51#include <machine/pc/vesa.h>
48#include <dev/fb/vesa.h>
52
53#include <dev/fb/fbreg.h>
54#include <dev/fb/vgareg.h>
55
49
50#include <dev/fb/fbreg.h>
51#include <dev/fb/vgareg.h>
52
56#ifndef __i386__
57#include <isa/isareg.h>
53#include <isa/isareg.h>
58#else
59#include <i386/isa/isa.h>
60#endif
54#include <machine/cpufunc.h>
61
55
56#include <contrib/x86emu/x86emu.h>
57#include <contrib/x86emu/x86emu_regs.h>
58
62#define VESA_VIA_CLE266 "VIA CLE266\r\n"
63
64#ifndef VESA_DEBUG
65#define VESA_DEBUG 0
66#endif
67
68/* VESA video adapter state buffer stub */
69struct adp_state {
70 int sig;
71#define V_STATE_SIG 0x61736576
72 u_char regs[1];
73};
74typedef struct adp_state adp_state_t;
75
76/* VESA video adapter */
77static video_adapter_t *vesa_adp = NULL;
78static int vesa_state_buf_size = 0;
59#define VESA_VIA_CLE266 "VIA CLE266\r\n"
60
61#ifndef VESA_DEBUG
62#define VESA_DEBUG 0
63#endif
64
65/* VESA video adapter state buffer stub */
66struct adp_state {
67 int sig;
68#define V_STATE_SIG 0x61736576
69 u_char regs[1];
70};
71typedef struct adp_state adp_state_t;
72
73/* VESA video adapter */
74static video_adapter_t *vesa_adp = NULL;
75static int vesa_state_buf_size = 0;
79#define VESA_VM86_BUFSIZE (3 * PAGE_SIZE)
80static void *vesa_vm86_buf;
76#define VESA_X86EMU_BUFSIZE (3 * PAGE_SIZE)
81
82/* VESA functions */
83#if 0
84static int vesa_nop(void);
85#endif
86static int vesa_error(void);
87static vi_probe_t vesa_probe;
88static vi_init_t vesa_init;

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104static vi_blank_display_t vesa_blank_display;
105static vi_mmap_t vesa_mmap;
106static vi_ioctl_t vesa_ioctl;
107static vi_clear_t vesa_clear;
108static vi_fill_rect_t vesa_fill_rect;
109static vi_bitblt_t vesa_bitblt;
110static vi_diag_t vesa_diag;
111static int vesa_bios_info(int level);
77
78/* VESA functions */
79#if 0
80static int vesa_nop(void);
81#endif
82static int vesa_error(void);
83static vi_probe_t vesa_probe;
84static vi_init_t vesa_init;

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100static vi_blank_display_t vesa_blank_display;
101static vi_mmap_t vesa_mmap;
102static vi_ioctl_t vesa_ioctl;
103static vi_clear_t vesa_clear;
104static vi_fill_rect_t vesa_fill_rect;
105static vi_bitblt_t vesa_bitblt;
106static vi_diag_t vesa_diag;
107static int vesa_bios_info(int level);
112static struct vm86context vesa_vmcontext;
113
108
109static struct x86emu vesa_emu;
110
114static video_switch_t vesavidsw = {
115 vesa_probe,
116 vesa_init,
117 vesa_get_info,
118 vesa_query_mode,
119 vesa_set_mode,
120 vesa_save_font,
121 vesa_load_font,

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195static int vesa_bios_set_line_length(int pixel, int *bytes, int *lines);
196#if 0
197static int vesa_bios_get_start(int *x, int *y);
198#endif
199static int vesa_bios_set_start(int x, int y);
200static int vesa_map_gen_mode_num(int type, int color, int mode);
201static int vesa_translate_flags(u_int16_t vflags);
202static int vesa_translate_mmodel(u_int8_t vmodel);
111static video_switch_t vesavidsw = {
112 vesa_probe,
113 vesa_init,
114 vesa_get_info,
115 vesa_query_mode,
116 vesa_set_mode,
117 vesa_save_font,
118 vesa_load_font,

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192static int vesa_bios_set_line_length(int pixel, int *bytes, int *lines);
193#if 0
194static int vesa_bios_get_start(int *x, int *y);
195#endif
196static int vesa_bios_set_start(int x, int y);
197static int vesa_map_gen_mode_num(int type, int color, int mode);
198static int vesa_translate_flags(u_int16_t vflags);
199static int vesa_translate_mmodel(u_int8_t vmodel);
203static void *vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off,
204 u_char *buf);
205static int vesa_bios_init(void);
206static void vesa_clear_modes(video_info_t *info, int color);
207static vm_offset_t vesa_map_buffer(u_int paddr, size_t size);
208static void vesa_unmap_buffer(vm_offset_t vaddr, size_t size);
209
210#if 0
211static int vesa_get_origin(video_adapter_t *adp, off_t *offset);
212#endif
213
200static int vesa_bios_init(void);
201static void vesa_clear_modes(video_info_t *info, int color);
202static vm_offset_t vesa_map_buffer(u_int paddr, size_t size);
203static void vesa_unmap_buffer(vm_offset_t vaddr, size_t size);
204
205#if 0
206static int vesa_get_origin(video_adapter_t *adp, off_t *offset);
207#endif
208
209#define SEG_ADDR(x) (((x) >> 4) & 0x00F000)
210#define SEG_OFF(x) ((x) & 0x0FFFF)
211
212#if _BYTE_ORDER == _LITTLE_ENDIAN
213#define B_O16(x) (x)
214#define B_O32(x) (x)
215#else
216#define B_O16(x) ((((x) & 0xff) << 8) | (((x) & 0xff) >> 8))
217#define B_O32(x) ((((x) & 0xff) << 24) | (((x) & 0xff00) << 8) \
218 | (((x) & 0xff0000) >> 8) | (((x) & 0xff000000) >> 24))
219#endif
220
221#define L_ADD(x) (B_O32(x) & 0xffff) + ((B_O32(x) >> 12) & 0xffff00)
222#define FARP(p) (((unsigned)(p & 0xffff0000) >> 12) | (p & 0xffff))
223
224#define REALOFF(x) (x*4096)
225
226static unsigned char *emumem = NULL;
227
228static uint8_t
229vm86_emu_inb(struct x86emu *emu, uint16_t port)
230{
231 if (port == 0xb2) /* APM scratch register */
232 return 0;
233 if (port >= 0x80 && port < 0x88) /* POST status register */
234 return 0;
235 return inb(port);
236}
237
238static uint16_t
239vm86_emu_inw(struct x86emu *emu, uint16_t port)
240{
241 if (port >= 0x80 && port < 0x88) /* POST status register */
242 return 0;
243 return inw(port);
244}
245
246static uint32_t
247vm86_emu_inl(struct x86emu *emu, uint16_t port)
248{
249 if (port >= 0x80 && port < 0x88) /* POST status register */
250 return 0;
251 return inl(port);
252}
253
214static void
254static void
255vm86_emu_outb(struct x86emu *emu, uint16_t port, uint8_t val)
256{
257 if (port == 0xb2) /* APM scratch register */
258 return;
259 if (port >= 0x80 && port < 0x88) /* POST status register */
260 return;
261 outb(port, val);
262}
263
264static void
265vm86_emu_outw(struct x86emu *emu, uint16_t port, uint16_t val)
266{
267 if (port >= 0x80 && port < 0x88) /* POST status register */
268 return;
269 outw(port, val);
270}
271
272static void
273vm86_emu_outl(struct x86emu *emu, uint16_t port, uint32_t val)
274{
275 if (port >= 0x80 && port < 0x88) /* POST status register */
276 return;
277 outl(port, val);
278}
279
280static void
215dump_buffer(u_char *buf, size_t len)
216{
217 int i;
218
219 for(i = 0; i < len;) {
220 printf("%02x ", buf[i]);
221 if ((++i % 16) == 0)
222 printf("\n");
223 }
224}
225
226/* INT 10 BIOS calls */
227static int
228int10_set_mode(int mode)
229{
281dump_buffer(u_char *buf, size_t len)
282{
283 int i;
284
285 for(i = 0; i < len;) {
286 printf("%02x ", buf[i]);
287 if ((++i % 16) == 0)
288 printf("\n");
289 }
290}
291
292/* INT 10 BIOS calls */
293static int
294int10_set_mode(int mode)
295{
230 struct vm86frame vmf;
296 vesa_emu.x86.R_EAX = 0x0000 | mode;
297 x86emu_exec_intr(&vesa_emu, 0x10);
231
298
232 bzero(&vmf, sizeof(vmf));
233 vmf.vmf_eax = 0x0000 | mode;
234 vm86_intcall(0x10, &vmf);
235 return 0;
236}
237
238/* VESA BIOS calls */
239static int
240vesa_bios_get_mode(int mode, struct vesa_mode *vmode)
241{
299 return 0;
300}
301
302/* VESA BIOS calls */
303static int
304vesa_bios_get_mode(int mode, struct vesa_mode *vmode)
305{
242 struct vm86frame vmf;
243 u_char *buf;
306 u_char *buf;
244 int err;
245
307
246 bzero(&vmf, sizeof(vmf));
247 vmf.vmf_eax = 0x4f01;
248 vmf.vmf_ecx = mode;
249 buf = vesa_vm86_buf;
250 vm86_getptr(&vesa_vmcontext, (vm_offset_t)buf, &vmf.vmf_es, &vmf.vmf_di);
308 vesa_emu.x86.R_EAX = 0x4f01;
309 vesa_emu.x86.R_ECX = mode;
251
310
252 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
253 if ((err != 0) || (vmf.vmf_ax != 0x4f))
311 buf = (emumem + REALOFF(3));
312 vesa_emu.x86.R_ES = SEG_ADDR(REALOFF(3));
313 vesa_emu.x86.R_DI = SEG_OFF(REALOFF(3));
314
315 x86emu_exec_intr(&vesa_emu, 0x10);
316
317 if ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
254 return 1;
318 return 1;
319
255 bcopy(buf, vmode, sizeof(*vmode));
320 bcopy(buf, vmode, sizeof(*vmode));
321
256 return 0;
257}
258
259static int
260vesa_bios_set_mode(int mode)
261{
322 return 0;
323}
324
325static int
326vesa_bios_set_mode(int mode)
327{
262 struct vm86frame vmf;
263 int err;
328 vesa_emu.x86.R_EAX = 0x4f02;
329 vesa_emu.x86.R_EBX = mode;
264
330
265 bzero(&vmf, sizeof(vmf));
266 vmf.vmf_eax = 0x4f02;
267 vmf.vmf_ebx = mode;
268 err = vm86_intcall(0x10, &vmf);
269 return ((err != 0) || (vmf.vmf_ax != 0x4f));
331 x86emu_exec_intr(&vesa_emu, 0x10);
332
333 return ((vesa_emu.x86.R_AX & 0xff) != 0x4f);
270}
271
272static int
273vesa_bios_get_dac(void)
274{
334}
335
336static int
337vesa_bios_get_dac(void)
338{
275 struct vm86frame vmf;
276 int err;
339 vesa_emu.x86.R_EAX = 0x4f08;
340 vesa_emu.x86.R_EBX = 1;
277
341
278 bzero(&vmf, sizeof(vmf));
279 vmf.vmf_eax = 0x4f08;
280 vmf.vmf_ebx = 1; /* get DAC width */
281 err = vm86_intcall(0x10, &vmf);
282 if ((err != 0) || (vmf.vmf_ax != 0x4f))
283 return 6; /* XXX */
284 return ((vmf.vmf_ebx >> 8) & 0x00ff);
342 x86emu_exec_intr(&vesa_emu, 0x10);
343
344 if ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
345 return 6;
346
347 return ((vesa_emu.x86.R_EBX >> 8) & 0x00ff);
285}
286
287static int
288vesa_bios_set_dac(int bits)
289{
348}
349
350static int
351vesa_bios_set_dac(int bits)
352{
290 struct vm86frame vmf;
291 int err;
353 vesa_emu.x86.R_EAX = 0x4f08;
354 vesa_emu.x86.R_EBX = (bits << 8);
292
355
293 bzero(&vmf, sizeof(vmf));
294 vmf.vmf_eax = 0x4f08;
295 vmf.vmf_ebx = (bits << 8);
296 err = vm86_intcall(0x10, &vmf);
297 if ((err != 0) || (vmf.vmf_ax != 0x4f))
298 return 6; /* XXX */
299 return ((vmf.vmf_ebx >> 8) & 0x00ff);
356 x86emu_exec_intr(&vesa_emu, 0x10);
357
358 if ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
359 return 6;
360
361 return ((vesa_emu.x86.R_EBX >> 8) & 0x00ff);
300}
301
302static int
303vesa_bios_save_palette(int start, int colors, u_char *palette, int bits)
304{
362}
363
364static int
365vesa_bios_save_palette(int start, int colors, u_char *palette, int bits)
366{
305 struct vm86frame vmf;
306 u_char *p;
367 u_char *p;
307 int err;
308 int i;
309
368 int i;
369
310 bzero(&vmf, sizeof(vmf));
311 vmf.vmf_eax = 0x4f09;
312 vmf.vmf_ebx = 1; /* get primary palette data */
313 vmf.vmf_ecx = colors;
314 vmf.vmf_edx = start;
315 p = vesa_vm86_buf;
316 vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di);
370 vesa_emu.x86.R_EAX = 0x4f09;
371 vesa_emu.x86.R_EBX = 1;
372 vesa_emu.x86.R_ECX = colors;
373 vesa_emu.x86.R_EDX = start;
317
374
318 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
319 if ((err != 0) || (vmf.vmf_ax != 0x4f))
375 vesa_emu.x86.R_ES = SEG_ADDR(REALOFF(2));
376 vesa_emu.x86.R_DI = SEG_OFF(REALOFF(2));
377
378 p = emumem + REALOFF(2);
379
380 x86emu_exec_intr(&vesa_emu, 0x10);
381
382 if ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
320 return 1;
321
322 bits = 8 - bits;
323 for (i = 0; i < colors; ++i) {
324 palette[i*3] = p[i*4 + 2] << bits;
325 palette[i*3 + 1] = p[i*4 + 1] << bits;
326 palette[i*3 + 2] = p[i*4] << bits;
327 }
328 return 0;
329}
330
331static int
332vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b,
333 int bits)
334{
383 return 1;
384
385 bits = 8 - bits;
386 for (i = 0; i < colors; ++i) {
387 palette[i*3] = p[i*4 + 2] << bits;
388 palette[i*3 + 1] = p[i*4 + 1] << bits;
389 palette[i*3 + 2] = p[i*4] << bits;
390 }
391 return 0;
392}
393
394static int
395vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b,
396 int bits)
397{
335 struct vm86frame vmf;
336 u_char *p;
398 u_char *p;
337 int err;
338 int i;
339
399 int i;
400
340 bzero(&vmf, sizeof(vmf));
341 vmf.vmf_eax = 0x4f09;
342 vmf.vmf_ebx = 1; /* get primary palette data */
343 vmf.vmf_ecx = colors;
344 vmf.vmf_edx = start;
345 p = vesa_vm86_buf;
346 vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di);
401 vesa_emu.x86.R_EAX = 0x4f09;
402 vesa_emu.x86.R_EBX = 1;
403 vesa_emu.x86.R_ECX = colors;
404 vesa_emu.x86.R_EDX = start;
347
405
348 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
349 if ((err != 0) || (vmf.vmf_ax != 0x4f))
406 vesa_emu.x86.R_ES = SEG_ADDR(REALOFF(2));
407 vesa_emu.x86.R_DI = SEG_OFF(REALOFF(2));
408
409 p = emumem + REALOFF(2);
410
411 x86emu_exec_intr(&vesa_emu, 0x10);
412
413 if ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
350 return 1;
351
352 bits = 8 - bits;
353 for (i = 0; i < colors; ++i) {
354 r[i] = p[i*4 + 2] << bits;
355 g[i] = p[i*4 + 1] << bits;
356 b[i] = p[i*4] << bits;
357 }
358 return 0;
359}
360
361static int
362vesa_bios_load_palette(int start, int colors, u_char *palette, int bits)
363{
414 return 1;
415
416 bits = 8 - bits;
417 for (i = 0; i < colors; ++i) {
418 r[i] = p[i*4 + 2] << bits;
419 g[i] = p[i*4 + 1] << bits;
420 b[i] = p[i*4] << bits;
421 }
422 return 0;
423}
424
425static int
426vesa_bios_load_palette(int start, int colors, u_char *palette, int bits)
427{
364 struct vm86frame vmf;
365 u_char *p;
428 u_char *p;
366 int err;
367 int i;
368
429 int i;
430
369 p = vesa_vm86_buf;
431 p = (emumem + REALOFF(2));
432
370 bits = 8 - bits;
371 for (i = 0; i < colors; ++i) {
372 p[i*4] = palette[i*3 + 2] >> bits;
373 p[i*4 + 1] = palette[i*3 + 1] >> bits;
374 p[i*4 + 2] = palette[i*3] >> bits;
375 p[i*4 + 3] = 0;
376 }
377
433 bits = 8 - bits;
434 for (i = 0; i < colors; ++i) {
435 p[i*4] = palette[i*3 + 2] >> bits;
436 p[i*4 + 1] = palette[i*3 + 1] >> bits;
437 p[i*4 + 2] = palette[i*3] >> bits;
438 p[i*4 + 3] = 0;
439 }
440
378 bzero(&vmf, sizeof(vmf));
379 vmf.vmf_eax = 0x4f09;
380 vmf.vmf_ebx = 0; /* set primary palette data */
381 vmf.vmf_ecx = colors;
382 vmf.vmf_edx = start;
383 vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di);
441 vesa_emu.x86.R_EAX = 0x4f09;
442 vesa_emu.x86.R_EBX = 0;
443 vesa_emu.x86.R_ECX = colors;
444 vesa_emu.x86.R_EDX = start;
384
445
385 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
386 return ((err != 0) || (vmf.vmf_ax != 0x4f));
446 vesa_emu.x86.R_ES = SEG_ADDR(REALOFF(2));
447 vesa_emu.x86.R_DI = SEG_OFF(REALOFF(2));
448
449 x86emu_exec_intr(&vesa_emu, 0x10);
450
451 return ((vesa_emu.x86.R_AX & 0xff) != 0x4f);
387}
388
389#ifdef notyet
390static int
391vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b,
392 int bits)
393{
452}
453
454#ifdef notyet
455static int
456vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b,
457 int bits)
458{
394 struct vm86frame vmf;
395 u_char *p;
459 u_char *p;
396 int err;
397 int i;
398
460 int i;
461
399 p = vesa_vm86_buf;
462 p = (emumem + REALOFF(2));
463
400 bits = 8 - bits;
401 for (i = 0; i < colors; ++i) {
402 p[i*4] = b[i] >> bits;
403 p[i*4 + 1] = g[i] >> bits;
404 p[i*4 + 2] = r[i] >> bits;
405 p[i*4 + 3] = 0;
406 }
407
464 bits = 8 - bits;
465 for (i = 0; i < colors; ++i) {
466 p[i*4] = b[i] >> bits;
467 p[i*4 + 1] = g[i] >> bits;
468 p[i*4 + 2] = r[i] >> bits;
469 p[i*4 + 3] = 0;
470 }
471
408 bzero(&vmf, sizeof(vmf));
409 vmf.vmf_eax = 0x4f09;
410 vmf.vmf_ebx = 0; /* set primary palette data */
411 vmf.vmf_ecx = colors;
412 vmf.vmf_edx = start;
413 vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di);
472 vesa_emu.x86.R_EAX = 0x4f09;
473 vesa_emu.x86.R_EBX = 0;
474 vesa_emu.x86.R_ECX = colors;
475 vesa_emu.x86.R_EDX = start;
414
476
415 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
416 return ((err != 0) || (vmf.vmf_ax != 0x4f));
477 vesa_emu.x86.R_ES = SEG_ADDR(REALOFF(2));
478 vesa_emu.x86.R_DI = SEG_OFF(REALOFF(2));
479
480 x86emu_exec_intr(&vesa_emu, 0x10);
481
482 return ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
417}
418#endif
419
420static int
421vesa_bios_state_buf_size(void)
422{
483}
484#endif
485
486static int
487vesa_bios_state_buf_size(void)
488{
423 struct vm86frame vmf;
424 int err;
489 vesa_emu.x86.R_EAX = 0x4f04;
490 vesa_emu.x86.R_ECX = STATE_ALL;
491 vesa_emu.x86.R_EDX = STATE_SIZE;
425
492
426 bzero(&vmf, sizeof(vmf));
427 vmf.vmf_eax = 0x4f04;
428 vmf.vmf_ecx = STATE_ALL;
429 vmf.vmf_edx = STATE_SIZE;
430 err = vm86_intcall(0x10, &vmf);
431 if ((err != 0) || (vmf.vmf_ax != 0x4f))
493 x86emu_exec_intr(&vesa_emu, 0x10);
494
495 if ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
432 return 0;
496 return 0;
433 return vmf.vmf_bx*64;
497
498 return vesa_emu.x86.R_BX*64;
434}
435
436static int
437vesa_bios_save_restore(int code, void *p, size_t size)
438{
499}
500
501static int
502vesa_bios_save_restore(int code, void *p, size_t size)
503{
439 struct vm86frame vmf;
440 u_char *buf;
504 u_char *buf;
441 int err;
442
505
443 if (size > VESA_VM86_BUFSIZE)
506 if (size > VESA_X86EMU_BUFSIZE)
444 return (1);
445
507 return (1);
508
446 bzero(&vmf, sizeof(vmf));
447 vmf.vmf_eax = 0x4f04;
448 vmf.vmf_ecx = STATE_ALL;
449 vmf.vmf_edx = code; /* STATE_SAVE/STATE_LOAD */
450 buf = vesa_vm86_buf;
451 vm86_getptr(&vesa_vmcontext, (vm_offset_t)buf, &vmf.vmf_es, &vmf.vmf_bx);
509 vesa_emu.x86.R_EAX = 0x4f04;
510 vesa_emu.x86.R_ECX = STATE_ALL;
511 vesa_emu.x86.R_EDX = code;
512
513 buf = emumem + REALOFF(2);
514
515 vesa_emu.x86.R_ES = SEG_ADDR(REALOFF(2));
516 vesa_emu.x86.R_DI = SEG_OFF(REALOFF(2));
517
452 bcopy(p, buf, size);
453
518 bcopy(p, buf, size);
519
454 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
520 x86emu_exec_intr(&vesa_emu, 0x10);
521
455 bcopy(buf, p, size);
522 bcopy(buf, p, size);
456 return ((err != 0) || (vmf.vmf_ax != 0x4f));
523
524 return ((vesa_emu.x86.R_AX & 0xff) != 0x4f);
457}
458
459static int
460vesa_bios_get_line_length(void)
461{
525}
526
527static int
528vesa_bios_get_line_length(void)
529{
462 struct vm86frame vmf;
463 int err;
530 vesa_emu.x86.R_EAX = 0x4f06;
531 vesa_emu.x86.R_EBX = 1;
464
532
465 bzero(&vmf, sizeof(vmf));
466 vmf.vmf_eax = 0x4f06;
467 vmf.vmf_ebx = 1; /* get scan line length */
468 err = vm86_intcall(0x10, &vmf);
469 if ((err != 0) || (vmf.vmf_ax != 0x4f))
533 x86emu_exec_intr(&vesa_emu, 0x10);
534
535 if ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
470 return -1;
536 return -1;
471 return vmf.vmf_bx; /* line length in bytes */
537 return vesa_emu.x86.R_BX;
472}
473
474static int
475vesa_bios_set_line_length(int pixel, int *bytes, int *lines)
476{
538}
539
540static int
541vesa_bios_set_line_length(int pixel, int *bytes, int *lines)
542{
477 struct vm86frame vmf;
478 int err;
543 vesa_emu.x86.R_EAX = 0x4f06;
544 vesa_emu.x86.R_EBX = 0;
545 vesa_emu.x86.R_ECX = pixel;
479
546
480 bzero(&vmf, sizeof(vmf));
481 vmf.vmf_eax = 0x4f06;
482 vmf.vmf_ebx = 0; /* set scan line length in pixel */
483 vmf.vmf_ecx = pixel;
484 err = vm86_intcall(0x10, &vmf);
547 x86emu_exec_intr(&vesa_emu, 0x10);
548
485#if VESA_DEBUG > 1
549#if VESA_DEBUG > 1
486 printf("bx:%d, cx:%d, dx:%d\n", vmf.vmf_bx, vmf.vmf_cx, vmf.vmf_dx);
550 printf("bx:%d, cx:%d, dx:%d\n", vesa_emu.x86.R_BX, vesa_emu.x86.R_CX, vesa_emu.x86.R_DX);
487#endif
551#endif
488 if ((err != 0) || (vmf.vmf_ax != 0x4f))
489 return 1;
552 if ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
553 return -1;
554
490 if (bytes)
555 if (bytes)
491 *bytes = vmf.vmf_bx;
556 *bytes = vesa_emu.x86.R_BX;
492 if (lines)
557 if (lines)
493 *lines = vmf.vmf_dx;
558 *lines = vesa_emu.x86.R_DX;
559
494 return 0;
495}
496
497#if 0
498static int
499vesa_bios_get_start(int *x, int *y)
500{
560 return 0;
561}
562
563#if 0
564static int
565vesa_bios_get_start(int *x, int *y)
566{
501 struct vm86frame vmf;
502 int err;
567 vesa_emu.x86.R_EAX = 0x4f07;
568 vesa_emu.x86.R_EBX = 1;
503
569
504 bzero(&vmf, sizeof(vmf));
505 vmf.vmf_eax = 0x4f07;
506 vmf.vmf_ebx = 1; /* get display start */
507 err = vm86_intcall(0x10, &vmf);
508 if ((err != 0) || (vmf.vmf_ax != 0x4f))
509 return 1;
510 *x = vmf.vmf_cx;
511 *y = vmf.vmf_dx;
570 x86emu_exec_intr(&vesa_emu, 0x10);
571
572 if ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
573 return -1;
574
575 *x = vesa_emu.x86.R_CX;
576 *y = vesa_emu.x86.R_DX;
577
512 return 0;
513}
514#endif
515
516static int
517vesa_bios_set_start(int x, int y)
518{
578 return 0;
579}
580#endif
581
582static int
583vesa_bios_set_start(int x, int y)
584{
519 struct vm86frame vmf;
520 int err;
585 vesa_emu.x86.R_EAX = 0x4f07;
586 vesa_emu.x86.R_EBX = 0x80;
587 vesa_emu.x86.R_EDX = y;
588 vesa_emu.x86.R_ECX = x;
521
589
522 bzero(&vmf, sizeof(vmf));
523 vmf.vmf_eax = 0x4f07;
524 vmf.vmf_ebx = 0x80; /* set display start */
525 vmf.vmf_edx = y;
526 vmf.vmf_ecx = x;
527 err = vm86_intcall(0x10, &vmf);
528 return ((err != 0) || (vmf.vmf_ax != 0x4f));
590 x86emu_exec_intr(&vesa_emu, 0x10);
591
592 return ((vesa_emu.x86.R_AX & 0xff) != 0x4f);
529}
530
531/* map a generic video mode to a known mode */
532static int
533vesa_map_gen_mode_num(int type, int color, int mode)
534{
535 static struct {
536 int from;

--- 53 unchanged lines hidden (view full) ---

590
591 for (i = 0; mtable[i].mmodel >= 0; ++i) {
592 if (mtable[i].vmodel == vmodel)
593 return mtable[i].mmodel;
594 }
595 return V_INFO_MM_OTHER;
596}
597
593}
594
595/* map a generic video mode to a known mode */
596static int
597vesa_map_gen_mode_num(int type, int color, int mode)
598{
599 static struct {
600 int from;

--- 53 unchanged lines hidden (view full) ---

654
655 for (i = 0; mtable[i].mmodel >= 0; ++i) {
656 if (mtable[i].vmodel == vmodel)
657 return mtable[i].mmodel;
658 }
659 return V_INFO_MM_OTHER;
660}
661
598static void
599*vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, u_char *buf)
600{
601 if (p == 0)
602 return NULL;
603 if (((p >> 16) == seg) && ((p & 0xffff) >= off))
604 return (void *)(buf + ((p & 0xffff) - off));
605 else {
606 p = BIOS_SADDRTOLADDR(p);
607 return (void *)BIOS_PADDRTOVADDR(p);
608 }
609}
610
611static int
612vesa_bios_init(void)
613{
662static int
663vesa_bios_init(void)
664{
614 static u_char buf[512];
615 struct vm86frame vmf;
665 static struct vesa_info buf;
616 struct vesa_mode vmode;
617 video_info_t *p;
618 u_char *vmbuf;
619 int is_via_cle266;
620 int modes;
666 struct vesa_mode vmode;
667 video_info_t *p;
668 u_char *vmbuf;
669 int is_via_cle266;
670 int modes;
621 int err;
622 int i;
623
624 if (vesa_init_done)
625 return 0;
626
627 has_vesa_bios = FALSE;
628 vesa_adp_info = NULL;
629 vesa_vmode_max = 0;
630 vesa_vmode[0].vi_mode = EOT;
631
671 int i;
672
673 if (vesa_init_done)
674 return 0;
675
676 has_vesa_bios = FALSE;
677 vesa_adp_info = NULL;
678 vesa_vmode_max = 0;
679 vesa_vmode[0].vi_mode = EOT;
680
632 /* Allocate a buffer and add each page to the vm86 context. */
633 vesa_vm86_buf = malloc(VESA_VM86_BUFSIZE, M_DEVBUF, M_WAITOK | M_ZERO);
634 KASSERT(((vm_offset_t)vesa_vm86_buf & PAGE_MASK) == 0,
635 ("bad vesa_vm86_buf alignment"));
636 for (i = 0; i < howmany(VESA_VM86_BUFSIZE, PAGE_SIZE); i++)
637 vm86_addpage(&vesa_vmcontext, i + 1,
638 (vm_offset_t)vesa_vm86_buf + PAGE_SIZE * i);
639
640 vmbuf = vesa_vm86_buf;
641 bzero(&vmf, sizeof(vmf)); /* paranoia */
681 vmbuf = (emumem + REALOFF(2));
642 bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */
682 bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */
643 vmf.vmf_eax = 0x4f00;
644 vm86_getptr(&vesa_vmcontext, (vm_offset_t)vmbuf, &vmf.vmf_es, &vmf.vmf_di);
645
683
646 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
647 if ((err != 0) || (vmf.vmf_ax != 0x4f) || bcmp("VESA", vmbuf, 4))
684 vesa_emu.x86.R_EAX = 0x4f00;
685 vesa_emu.x86.R_ES = SEG_ADDR(REALOFF(2));
686 vesa_emu.x86.R_DI = SEG_OFF(REALOFF(2));
687
688 x86emu_exec_intr(&vesa_emu, 0x10);
689
690 if (((vesa_emu.x86.R_AX & 0xff) != 0x4f) || bcmp("VESA", vmbuf, 4))
648 return 1;
691 return 1;
649 bcopy(vmbuf, buf, sizeof(buf));
650 vesa_adp_info = (struct vesa_info *)buf;
692
693 bcopy(vmbuf, &buf, sizeof(buf));
694
695 vesa_adp_info = &buf;
651 if (bootverbose) {
652 printf("VESA: information block\n");
696 if (bootverbose) {
697 printf("VESA: information block\n");
653 dump_buffer(buf, 64);
698 dump_buffer((u_char *)&buf, sizeof(buf));
654 }
655 if (vesa_adp_info->v_version < 0x0102) {
656 printf("VESA: VBE version %d.%d is not supported; "
657 "version 1.2 or later is required.\n",
658 ((vesa_adp_info->v_version & 0xf000) >> 12) * 10
659 + ((vesa_adp_info->v_version & 0x0f00) >> 8),
660 ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10
661 + (vesa_adp_info->v_version & 0x000f));
662 return 1;
663 }
664
699 }
700 if (vesa_adp_info->v_version < 0x0102) {
701 printf("VESA: VBE version %d.%d is not supported; "
702 "version 1.2 or later is required.\n",
703 ((vesa_adp_info->v_version & 0xf000) >> 12) * 10
704 + ((vesa_adp_info->v_version & 0x0f00) >> 8),
705 ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10
706 + (vesa_adp_info->v_version & 0x000f));
707 return 1;
708 }
709
665 /* fix string ptrs */
666 vesa_oemstr = (char *)vesa_fix_ptr(vesa_adp_info->v_oemstr,
667 vmf.vmf_es, vmf.vmf_di, buf);
710 vesa_oemstr = (char *)(emumem + L_ADD(vesa_adp_info->v_oemstr));
711
668 is_via_cle266 = strcmp(vesa_oemstr, VESA_VIA_CLE266) == 0;
669
670 if (vesa_adp_info->v_version >= 0x0200) {
712 is_via_cle266 = strcmp(vesa_oemstr, VESA_VIA_CLE266) == 0;
713
714 if (vesa_adp_info->v_version >= 0x0200) {
671 vesa_venderstr =
672 (char *)vesa_fix_ptr(vesa_adp_info->v_venderstr,
673 vmf.vmf_es, vmf.vmf_di, buf);
674 vesa_prodstr =
675 (char *)vesa_fix_ptr(vesa_adp_info->v_prodstr,
676 vmf.vmf_es, vmf.vmf_di, buf);
677 vesa_revstr =
678 (char *)vesa_fix_ptr(vesa_adp_info->v_revstr,
679 vmf.vmf_es, vmf.vmf_di, buf);
715 vesa_venderstr = (char *)(emumem+L_ADD(vesa_adp_info->v_venderstr));
716 vesa_prodstr = (char *)(emumem+L_ADD(vesa_adp_info->v_prodstr));
717 vesa_revstr = (char *)(emumem+L_ADD(vesa_adp_info->v_revstr));
680 }
681
718 }
719
682 /* obtain video mode information */
683 vesa_vmodetab = (u_int16_t *)vesa_fix_ptr(vesa_adp_info->v_modetable,
684 vmf.vmf_es, vmf.vmf_di, buf);
720 vesa_vmodetab = (u_int16_t *)(emumem+L_ADD(vesa_adp_info->v_modetable));
721
685 if (vesa_vmodetab == NULL)
686 return 1;
722 if (vesa_vmodetab == NULL)
723 return 1;
724
687 for (i = 0, modes = 0;
688 (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1))
689 && (vesa_vmodetab[i] != 0xffff); ++i) {
690 if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode))
691 continue;
692
693 /* reject unsupported modes */
694#if 0

--- 134 unchanged lines hidden (view full) ---

829vesa_map_buffer(u_int paddr, size_t size)
830{
831 vm_offset_t vaddr;
832 u_int off;
833
834 off = paddr - trunc_page(paddr);
835 vaddr = (vm_offset_t)pmap_mapdev(paddr - off, size + off);
836#if VESA_DEBUG > 1
725 for (i = 0, modes = 0;
726 (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1))
727 && (vesa_vmodetab[i] != 0xffff); ++i) {
728 if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode))
729 continue;
730
731 /* reject unsupported modes */
732#if 0

--- 134 unchanged lines hidden (view full) ---

867vesa_map_buffer(u_int paddr, size_t size)
868{
869 vm_offset_t vaddr;
870 u_int off;
871
872 off = paddr - trunc_page(paddr);
873 vaddr = (vm_offset_t)pmap_mapdev(paddr - off, size + off);
874#if VESA_DEBUG > 1
837 printf("vesa_map_buffer: paddr:%x vaddr:%x size:%x off:%x\n",
875 printf("vesa_map_buffer: paddr:%x vaddr:%tx size:%zx off:%x\n",
838 paddr, vaddr, size, off);
839#endif
840 return (vaddr + off);
841}
842
843static void
844vesa_unmap_buffer(vm_offset_t vaddr, size_t size)
845{
846#if VESA_DEBUG > 1
876 paddr, vaddr, size, off);
877#endif
878 return (vaddr + off);
879}
880
881static void
882vesa_unmap_buffer(vm_offset_t vaddr, size_t size)
883{
884#if VESA_DEBUG > 1
847 printf("vesa_unmap_buffer: vaddr:%x size:%x\n", vaddr, size);
885 printf("vesa_unmap_buffer: vaddr:%tx size:%zx\n", vaddr, size);
848#endif
849 kmem_free(kernel_map, vaddr, size);
850}
851
852/* entry points */
853
854static int
855vesa_configure(int flags)

--- 227 unchanged lines hidden (view full) ---

1083 vesa_adp_info->v_memsize*64*1024);
1084 vesa_adp->va_buffer_size = info.vi_buffer_size;
1085 vesa_adp->va_window = vesa_adp->va_buffer;
1086 vesa_adp->va_window_size = info.vi_buffer_size/info.vi_planes;
1087 vesa_adp->va_window_gran = info.vi_buffer_size/info.vi_planes;
1088 } else {
1089 vesa_adp->va_buffer = 0;
1090 vesa_adp->va_buffer_size = info.vi_buffer_size;
886#endif
887 kmem_free(kernel_map, vaddr, size);
888}
889
890/* entry points */
891
892static int
893vesa_configure(int flags)

--- 227 unchanged lines hidden (view full) ---

1121 vesa_adp_info->v_memsize*64*1024);
1122 vesa_adp->va_buffer_size = info.vi_buffer_size;
1123 vesa_adp->va_window = vesa_adp->va_buffer;
1124 vesa_adp->va_window_size = info.vi_buffer_size/info.vi_planes;
1125 vesa_adp->va_window_gran = info.vi_buffer_size/info.vi_planes;
1126 } else {
1127 vesa_adp->va_buffer = 0;
1128 vesa_adp->va_buffer_size = info.vi_buffer_size;
1091 vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window);
1129 vesa_adp->va_window = (vm_offset_t)(emumem+L_ADD(info.vi_window));
1092 vesa_adp->va_window_size = info.vi_window_size;
1093 vesa_adp->va_window_gran = info.vi_window_gran;
1094 }
1095 vesa_adp->va_window_orig = 0;
1096 len = vesa_bios_get_line_length();
1097 if (len > 0) {
1098 vesa_adp->va_line_width = len;
1099 } else if (info.vi_flags & V_INFO_GRAPHICS) {

--- 132 unchanged lines hidden (view full) ---

1232 return vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs,
1233 vesa_state_buf_size);
1234}
1235
1236#if 0
1237static int
1238vesa_get_origin(video_adapter_t *adp, off_t *offset)
1239{
1130 vesa_adp->va_window_size = info.vi_window_size;
1131 vesa_adp->va_window_gran = info.vi_window_gran;
1132 }
1133 vesa_adp->va_window_orig = 0;
1134 len = vesa_bios_get_line_length();
1135 if (len > 0) {
1136 vesa_adp->va_line_width = len;
1137 } else if (info.vi_flags & V_INFO_GRAPHICS) {

--- 132 unchanged lines hidden (view full) ---

1270 return vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs,
1271 vesa_state_buf_size);
1272}
1273
1274#if 0
1275static int
1276vesa_get_origin(video_adapter_t *adp, off_t *offset)
1277{
1240 struct vm86frame vmf;
1241 int err;
1278 vesa_emu.x86.R_EAX = 0x4f05;
1279 vesa_emu.x86.R_EBX = 0x10;
1242
1280
1243 bzero(&vmf, sizeof(vmf));
1244 vmf.vmf_eax = 0x4f05;
1245 vmf.vmf_ebx = 0x10; /* WINDOW_A, XXX */
1246 err = vm86_intcall(0x10, &vmf);
1247 if ((err != 0) || (vmf.vmf_ax != 0x4f))
1281 x86emu_exec_intr(&vesa_emu, 0x10);
1282
1283 if ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
1248 return 1;
1284 return 1;
1249 *offset = vmf.vmf_dx*adp->va_window_gran;
1285 *offset = vesa_emu.x86.DX*adp->va_window_gran;
1286
1250 return 0;
1251}
1252#endif
1253
1254static int
1255vesa_set_origin(video_adapter_t *adp, off_t offset)
1256{
1287 return 0;
1288}
1289#endif
1290
1291static int
1292vesa_set_origin(video_adapter_t *adp, off_t offset)
1293{
1257 struct vm86frame vmf;
1258 int err;
1259
1260 /*
1261 * This function should return as quickly as possible to
1262 * maintain good performance of the system. For this reason,
1263 * error checking is kept minimal and let the VESA BIOS to
1264 * detect error.
1265 */
1266 if (adp != vesa_adp)
1267 return (*prevvidsw->set_win_org)(adp, offset);
1268
1269 /* if this is a linear frame buffer, do nothing */
1270 if (adp->va_info.vi_flags & V_INFO_LINEAR)
1271 return 0;
1272 /* XXX */
1273 if (adp->va_window_gran == 0)
1274 return 1;
1275
1294 /*
1295 * This function should return as quickly as possible to
1296 * maintain good performance of the system. For this reason,
1297 * error checking is kept minimal and let the VESA BIOS to
1298 * detect error.
1299 */
1300 if (adp != vesa_adp)
1301 return (*prevvidsw->set_win_org)(adp, offset);
1302
1303 /* if this is a linear frame buffer, do nothing */
1304 if (adp->va_info.vi_flags & V_INFO_LINEAR)
1305 return 0;
1306 /* XXX */
1307 if (adp->va_window_gran == 0)
1308 return 1;
1309
1276 bzero(&vmf, sizeof(vmf));
1277 vmf.vmf_eax = 0x4f05;
1278 vmf.vmf_ebx = 0; /* WINDOW_A, XXX */
1279 vmf.vmf_edx = offset/adp->va_window_gran;
1280 err = vm86_intcall(0x10, &vmf);
1281 if ((err != 0) || (vmf.vmf_ax != 0x4f))
1310 vesa_emu.x86.R_EAX = 0x4f05;
1311 vesa_emu.x86.R_EBX = 0;
1312 vesa_emu.x86.R_EDX = offset/adp->va_window_gran;
1313 x86emu_exec_intr(&vesa_emu, 0x10);
1314
1315 if ((vesa_emu.x86.R_AX & 0xff) != 0x4f)
1282 return 1;
1316 return 1;
1283 bzero(&vmf, sizeof(vmf));
1284 vmf.vmf_eax = 0x4f05;
1285 vmf.vmf_ebx = 1; /* WINDOW_B, XXX */
1286 vmf.vmf_edx = offset/adp->va_window_gran;
1287 err = vm86_intcall(0x10, &vmf);
1317
1318 vesa_emu.x86.R_EAX = 0x4f05;
1319 vesa_emu.x86.R_EBX = 1;
1320 vesa_emu.x86.R_EDX = offset/adp->va_window_gran;
1321 x86emu_exec_intr(&vesa_emu, 0x10);
1322
1288 adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran;
1289 return 0; /* XXX */
1290}
1291
1292static int
1293vesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
1294{
1295 return (*prevvidsw->read_hw_cursor)(adp, col, row);

--- 20 unchanged lines hidden (view full) ---

1316 return (*prevvidsw->blank_display)(adp, mode);
1317}
1318
1319static int
1320vesa_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr,
1321 int prot)
1322{
1323#if VESA_DEBUG > 0
1323 adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran;
1324 return 0; /* XXX */
1325}
1326
1327static int
1328vesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
1329{
1330 return (*prevvidsw->read_hw_cursor)(adp, col, row);

--- 20 unchanged lines hidden (view full) ---

1351 return (*prevvidsw->blank_display)(adp, mode);
1352}
1353
1354static int
1355vesa_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr,
1356 int prot)
1357{
1358#if VESA_DEBUG > 0
1324 printf("vesa_mmap(): window:0x%x, buffer:0x%x, offset:0x%x\n",
1359 printf("vesa_mmap(): window:0x%tx, buffer:0x%tx, offset:0x%tx\n",
1325 adp->va_info.vi_window, adp->va_info.vi_buffer, offset);
1326#endif
1327
1328 if ((adp == vesa_adp) && (adp->va_info.vi_flags & V_INFO_LINEAR)) {
1329 /* va_window_size == va_buffer_size/vi_planes */
1330 /* XXX: is this correct? */
1331 if (offset > adp->va_window_size - PAGE_SIZE)
1332 return -1;

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1613vesa_load(void)
1614{
1615 int error;
1616 int s;
1617
1618 if (vesa_init_done)
1619 return 0;
1620
1360 adp->va_info.vi_window, adp->va_info.vi_buffer, offset);
1361#endif
1362
1363 if ((adp == vesa_adp) && (adp->va_info.vi_flags & V_INFO_LINEAR)) {
1364 /* va_window_size == va_buffer_size/vi_planes */
1365 /* XXX: is this correct? */
1366 if (offset > adp->va_window_size - PAGE_SIZE)
1367 return -1;

--- 280 unchanged lines hidden (view full) ---

1648vesa_load(void)
1649{
1650 int error;
1651 int s;
1652
1653 if (vesa_init_done)
1654 return 0;
1655
1656 /* Can `emumem' be NULL here? */
1657 emumem = pmap_mapbios(0x0, 0xc00000);
1658
1659 memset(&vesa_emu, 0, sizeof(vesa_emu));
1660 x86emu_init_default(&vesa_emu);
1661
1662 vesa_emu.emu_inb = vm86_emu_inb;
1663 vesa_emu.emu_inw = vm86_emu_inw;
1664 vesa_emu.emu_inl = vm86_emu_inl;
1665 vesa_emu.emu_outb = vm86_emu_outb;
1666 vesa_emu.emu_outw = vm86_emu_outw;
1667 vesa_emu.emu_outl = vm86_emu_outl;
1668
1669 vesa_emu.mem_base = (char *)emumem;
1670 vesa_emu.mem_size = 1024 * 1024;
1671
1621 /* locate a VGA adapter */
1622 s = spltty();
1623 vesa_adp = NULL;
1624 error = vesa_configure(0);
1625 splx(s);
1626
1627 if (error == 0)
1628 vesa_bios_info(bootverbose);

--- 31 unchanged lines hidden (view full) ---

1660 }
1661 }
1662 vesa_adp->va_flags &= ~V_ADP_VESA;
1663 vidsw[vesa_adp->va_index] = prevvidsw;
1664 }
1665 }
1666 splx(s);
1667
1672 /* locate a VGA adapter */
1673 s = spltty();
1674 vesa_adp = NULL;
1675 error = vesa_configure(0);
1676 splx(s);
1677
1678 if (error == 0)
1679 vesa_bios_info(bootverbose);

--- 31 unchanged lines hidden (view full) ---

1711 }
1712 }
1713 vesa_adp->va_flags &= ~V_ADP_VESA;
1714 vidsw[vesa_adp->va_index] = prevvidsw;
1715 }
1716 }
1717 splx(s);
1718
1668 if (vesa_vm86_buf != NULL)
1669 free(vesa_vm86_buf, M_DEVBUF);
1719 if (emumem)
1720 pmap_unmapdev((vm_offset_t)emumem, 0xc00000);
1670
1671 return error;
1672}
1673
1674static int
1675vesa_mod_event(module_t mod, int type, void *data)
1676{
1677 switch (type) {

--- 9 unchanged lines hidden (view full) ---

1687
1688static moduledata_t vesa_mod = {
1689 "vesa",
1690 vesa_mod_event,
1691 NULL,
1692};
1693
1694DECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
1721
1722 return error;
1723}
1724
1725static int
1726vesa_mod_event(module_t mod, int type, void *data)
1727{
1728 switch (type) {

--- 9 unchanged lines hidden (view full) ---

1738
1739static moduledata_t vesa_mod = {
1740 "vesa",
1741 vesa_mod_event,
1742 NULL,
1743};
1744
1745DECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
1746MODULE_DEPEND(vesa, x86emu, 1, 1, 1);
1695
1696#endif /* VGA_NO_MODE_CHANGE */
1747
1748#endif /* VGA_NO_MODE_CHANGE */