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hub / github.com/danoon2/Boxedwine / ioctl

Method ioctl

source/kernel/devs/devfb.cpp:437–468  ·  view source on GitHub ↗

Source from the content-addressed store, hash-verified

435}
436
437U32 DevFB::ioctl(KThread* thread, U32 request) {
438 CPU* cpu=thread->cpu;
439
440 switch(request) {
441 case 0x4600: // FBIOGET_VSCREENINFO
442 writeVarInfo(thread, IOCTL_ARG1, &fb_var_screeninfo);
443 break;
444 case 0x4601: // FBIOPUT_VSCREENINFO
445 readVarInfo(thread, IOCTL_ARG1, &fb_var_screeninfo);
446 fbSetupScreen();
447 break;
448 case 0x4602: // FBIOGET_FSCREENINFO
449 writeFixInfo(thread, IOCTL_ARG1, &fb_fix_screeninfo);
450 break;
451 case 0x4604: // FBIOGETCMAP
452 readCMap(thread, IOCTL_ARG1, &fb_cmap);
453 break;
454 case 0x4605: // FBIOPUTCMAP
455 writeCMap(thread, IOCTL_ARG1, &fb_cmap);
456 break;
457 case 0x4606: { // FBIOPAN_DISPLAY
458 struct fb_var_screeninfo fb;
459 readVarInfo(thread, IOCTL_ARG1, &fb);
460 break;
461 }
462 case 0x4611: // FBIOBLANK
463 break;
464 default:
465 return -1;
466 }
467 return 0;
468}
469
470U32 DevFB::map(KThread* thread, U32 address, U32 len, S32 prot, S32 flags, U64 off) {
471 if ((flags & K_MAP_FIXED) && address!=fb_fix_screeninfo.smem_start) {

Callers

nothing calls this directly

Calls 6

writeVarInfoFunction · 0.85
readVarInfoFunction · 0.85
fbSetupScreenFunction · 0.85
writeFixInfoFunction · 0.85
readCMapFunction · 0.85
writeCMapFunction · 0.85

Tested by

no test coverage detected