2018-09-28 20:35:51 +02:00
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/*******************************************************************************/
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/* COS2000 - Compatible Operating System - LGPL v3 - Hord<72> Nicolas */
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/* */
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2007-04-02 15:20:55 +02:00
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#include "vga.h"
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2018-10-12 20:37:26 +02:00
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#include "video.h"
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2007-04-02 15:20:55 +02:00
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#include "memory.h"
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#include "asm.h"
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2007-04-02 15:43:32 +02:00
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#include "types.h"
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2018-08-17 16:46:56 +02:00
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#include "VGA/modes.c"
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#include "VGA/8x8fnt.c"
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#include "VGA/8x16fnt.c"
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2007-04-02 15:20:55 +02:00
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2018-10-12 20:37:26 +02:00
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static videoinfos infos;
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2007-04-02 15:43:32 +02:00
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2018-10-12 20:37:26 +02:00
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/*******************************************************************************/
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/* Detecte si le hardware est disponible, return NULL ou pointeur sur le type de pilote */
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2018-10-12 22:31:34 +02:00
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u8 *VGA_detect_hardware(void) {
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return "LEGACY";
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}
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2007-04-02 15:20:55 +02:00
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2018-10-12 20:37:26 +02:00
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/*******************************************************************************/
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/* Renvoie l'adresse du segment video */
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2007-04-02 15:20:55 +02:00
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2018-10-12 20:37:26 +02:00
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u32 getbase(void)
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{
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u32 base;
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2018-10-12 22:31:34 +02:00
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/*outb(GRAPHICS, 6);
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base = inb(GRAPHICS + 1);
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2018-10-12 20:37:26 +02:00
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base >>= 2;
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base &= 3;*/
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2018-10-12 22:31:34 +02:00
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base = modes[infos.currentmode].graphic.Miscellaneous_Graphics_Register;
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2018-10-12 20:37:26 +02:00
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switch (base) {
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case 0:
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case 1:
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base = 0xA0000;
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break;
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case 2:
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base = 0xB0000;
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break;
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case 3:
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base = 0xB8000;
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break;
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}
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return base;
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}
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2007-04-02 16:12:33 +02:00
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/*******************************************************************************/
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2018-10-12 20:37:26 +02:00
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/* Change le mode video courant */
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/* ERR 0 aucune
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/* ERR 1 mode non existant */
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2018-10-12 22:31:34 +02:00
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u8 VGA_setvideo_mode(u8 mode)
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2018-10-12 20:37:26 +02:00
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{
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2018-10-12 22:31:34 +02:00
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u32 index=0;
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2018-10-12 20:37:26 +02:00
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while(vgacapabilities[index].modenumber!=0xFF) {
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if (vgacapabilities[index].modenumber==mode) {
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infos.currentmode=vgacapabilities[index].modenumber;
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break;
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2018-10-12 22:31:34 +02:00
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}
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2018-10-12 20:37:26 +02:00
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index++;
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}
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if (infos.currentmode!=mode)
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return 1;
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infos.currentwidth=vgacapabilities[index].width;
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infos.currentheight=vgacapabilities[index].height;
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infos.currentdepth=vgacapabilities[index].depth;
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infos.currentactivepage=0;
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infos.currentshowedpage=0;
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infos.currentcursorX=0;
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infos.currentcursorY=0;
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infos.currentfont1=0;
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infos.currentfont2=0;
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infos.isgraphic=vgacapabilities[index].graphic;
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infos.isblinking=false;
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infos.iscursorvisible=false;
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if (infos.isgraphic) {
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2018-10-12 22:31:34 +02:00
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switch (infos.currentdepth) {
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2018-10-12 20:37:26 +02:00
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case 1:
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/* mode N&B */
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2018-10-12 22:31:34 +02:00
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infos.currentpitch = infos.currentwidth;
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2018-10-12 20:37:26 +02:00
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break;
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case 2:
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/* mode 4 couleurs */
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2018-10-12 22:31:34 +02:00
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infos.currentpitch = (infos.currentwidth << 1);
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2018-10-12 20:37:26 +02:00
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break;
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case 4:
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/* mode 16 couleurs */
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2018-10-12 22:31:34 +02:00
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infos.currentpitch = infos.currentwidth;
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2018-10-12 20:37:26 +02:00
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break;
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case 8:
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/* mode 256 couleurs */
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if (modes[index].sequencer.Sequencer_Memory_Mode_Register == 0x0E) {
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/* mode chain<69> (plus rapide mais limit<69> en m<>moire) */
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2018-10-12 22:31:34 +02:00
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infos.currentpitch = (infos.currentwidth << 3);
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2018-10-12 20:37:26 +02:00
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} else {
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/* mode non chain<69> */
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2018-10-12 22:31:34 +02:00
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infos.currentpitch = (infos.currentwidth << 1);
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2018-10-12 20:37:26 +02:00
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}
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break;
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default:
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break;
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}
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2018-10-12 22:31:34 +02:00
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infos.pagesize = ((infos.currentheight * infos.currentpitch) << 3);
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2018-10-12 20:37:26 +02:00
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}
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else {
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2018-10-12 22:31:34 +02:00
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VGA_font_load(font8x8, 8, 1);
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VGA_font_load(font8x16, 16, 0);
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infos.currentpitch= infos.currentwidth * 2;
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infos.pagesize=infos.currentheight * infos.currentpitch;
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2018-10-12 20:37:26 +02:00
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}
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2018-10-12 22:31:34 +02:00
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infos.pagesnumber=(PLANESIZE / infos.currentpitch);
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infos.baseaddress=(modes[index].ctrc.Cursor_Location_High_Register << 8) + modes[index].ctrc.Cursor_Location_Low_Register + getbase();
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2018-10-12 20:37:26 +02:00
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/* Initialise les registre "divers" */
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2018-10-12 22:31:34 +02:00
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outb(MISC_WRITE, modes[index].misc);
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2018-10-12 20:37:26 +02:00
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/* Initialise les registre d'etat */
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2018-10-12 22:31:34 +02:00
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outb(STATE, 0x00);
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2018-10-12 20:37:26 +02:00
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/* Initialise le s<>quenceur */
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2018-10-12 22:31:34 +02:00
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outreg(SEQUENCER, modes[index].sequencer, 5);
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2018-10-12 20:37:26 +02:00
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/* Debloque le verouillage des registres controleur CRT */
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2018-10-12 22:31:34 +02:00
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outb(CCRT, 0x11);
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outb(CCRT + 1, 0x0E);
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2018-10-12 20:37:26 +02:00
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/* Initialise le controleur CRT */
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2018-10-12 22:31:34 +02:00
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outreg(CCRT, modes[index].ctrc, 25);
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2018-10-12 20:37:26 +02:00
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/* Initialise le controleur graphique */
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2018-10-12 22:31:34 +02:00
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outreg(GRAPHICS, modes[index].graphic, 9);
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inb(STATE);
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2018-10-12 20:37:26 +02:00
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/* Initialise le controleur d'attributs */
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2018-10-12 22:31:34 +02:00
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outregsame(ATTRIBS, modes[index].attribut, 21);
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inb(STATE);
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outb(ATTRIBS, 0x20);
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2018-10-12 20:37:26 +02:00
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/* Initialise l'adresse des procedures de gestion graphique et les differentes
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variables en fonction de la profondeur et du mode */
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return 0;
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}
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2007-04-02 16:12:33 +02:00
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2018-10-12 20:37:26 +02:00
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/*******************************************************************************/
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/* Renvoie le nom du driver */
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u8 *VGA_getvideo_drivername (void) {
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return "VGA";
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2007-04-02 16:12:33 +02:00
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}
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/*******************************************************************************/
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2018-10-12 20:37:26 +02:00
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/* Renvoie un pointeur sur la structure des capacit<69>s graphiques */
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2007-04-02 16:12:33 +02:00
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2018-10-12 20:37:26 +02:00
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u8 *VGA_getvideo_capabilities (void) {
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return vgacapabilities;
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2007-04-02 16:12:33 +02:00
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}
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/*******************************************************************************/
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2018-10-12 20:37:26 +02:00
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/* Renvoie un pointeur sur l'<27>tat courant de la carte */
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videoinfos *VGA_getvideo_info (void) {
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2018-10-12 22:31:34 +02:00
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return &infos;
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2018-10-12 20:37:26 +02:00
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}
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/*******************************************************************************/
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/* Effecture un mouvement de la m<>moire centrale vers la m<>moire video (lin<69>aris<69>e) */
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u32 VGA_mem_to_video (void *src,u32 dst, u32 size, bool increment_src) {
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2007-04-02 16:12:33 +02:00
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}
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/*******************************************************************************/
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2018-10-12 20:37:26 +02:00
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/* Effecture un mouvement de la m<>moire video (lin<69>aris<69>e) vers la m<>moire centrale*/
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u32 VGA_video_to_mem (u32 src,void *dst, u32 size) {
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2007-04-02 16:12:33 +02:00
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}
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/*******************************************************************************/
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2018-10-12 20:37:26 +02:00
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/* Effecture un mouvement de la m<>moire video (lin<69>aris<69>) vers la m<>moire vid<69>o (lin<69>aris<69>e) */
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u32 VGA_video_to_video (u32 src,u32 dst, u32 size) {
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2007-04-02 16:12:33 +02:00
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}
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/*******************************************************************************/
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2018-10-12 20:37:26 +02:00
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/* Fixe la page ecran de travail */
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2007-04-02 16:12:33 +02:00
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2018-10-12 20:37:26 +02:00
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void VGA_page_set(u8 page)
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2007-04-02 16:12:33 +02:00
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{
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2018-10-12 20:37:26 +02:00
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if (page < infos.pagesnumber)
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infos.currentactivepage = page;
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2007-04-02 16:12:33 +02:00
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}
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/*******************************************************************************/
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/* Affiche la page ecran specifi<66> */
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2018-10-12 20:37:26 +02:00
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void VGA_page_show(u8 page)
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2007-04-02 16:12:33 +02:00
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{
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2018-10-12 20:37:26 +02:00
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if (page < infos.pagesnumber) {
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2018-08-17 16:46:56 +02:00
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u16 addr;
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2018-10-12 20:37:26 +02:00
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addr = page * infos.pagesize / 2;
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2018-10-12 22:31:34 +02:00
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outb(CCRT, 0x0C);
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outb(CCRT + 1, (addr >> 8));
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outb(CCRT, 0x0D);
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outb(CCRT + 1, (addr & 0xFF));
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2018-10-12 20:37:26 +02:00
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infos.currentshowedpage = page;
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2018-08-17 16:46:56 +02:00
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}
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2007-04-02 16:12:33 +02:00
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}
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2018-08-17 16:46:56 +02:00
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2007-04-02 16:12:33 +02:00
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/*******************************************************************************/
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/* S<>pare l'<27>cran en 2 a partir de la ligne Y */
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2018-10-12 20:37:26 +02:00
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static splitY=0;
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2007-04-02 16:12:33 +02:00
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2018-10-12 20:37:26 +02:00
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void VGA_page_split(u16 y)
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{
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if (y!=0) {
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u16 addr;
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2018-10-12 22:31:34 +02:00
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if (!infos.isgraphic)
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2018-10-12 20:37:26 +02:00
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addr = (y << 3);
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else
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addr = y;
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/* line compare pour ligne atteinte */
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2018-10-12 22:31:34 +02:00
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outb(CCRT, 0x18);
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outb(CCRT + 1, (addr & 0xFF));
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2018-10-12 20:37:26 +02:00
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/* overflow pour le bit 8 */
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2018-08-17 16:46:56 +02:00
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2018-10-12 22:31:34 +02:00
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outb(CCRT, 0x07);
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outb(CCRT + 1, (inb(CCRT + 1) & ~16) | ((addr >> 4) & 16));
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2018-08-17 16:46:56 +02:00
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2018-10-12 20:37:26 +02:00
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/* Maximum Scan Line pour le bit 9 */
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2007-04-02 16:12:33 +02:00
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2018-10-12 22:31:34 +02:00
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outb(CCRT, 0x09);
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outb(CCRT + 1, (inb(CCRT + 1) & ~64) | ((addr >> 3) & 64));
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2018-10-12 20:37:26 +02:00
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splitY = y;
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}
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else
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{
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/* line compare pour ligne atteinte */
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2018-10-12 22:31:34 +02:00
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outb(CCRT, 0x18);
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outb(CCRT + 1, 0);
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2018-10-12 20:37:26 +02:00
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/* overflow pour le bit 8 */
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2018-08-17 16:46:56 +02:00
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2018-10-12 22:31:34 +02:00
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outb(CCRT, 0x07);
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outb(CCRT + 1, inb(CCRT + 1) & ~16);
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2007-04-02 16:12:33 +02:00
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2018-10-12 20:37:26 +02:00
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/* Maximum Scan Line pour le bit 9 */
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2018-08-17 16:46:56 +02:00
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2018-10-12 22:31:34 +02:00
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outb(CCRT, 0x09);
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outb(CCRT + 1, inb(CCRT + 1) & ~64);
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2018-10-12 20:37:26 +02:00
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splitY = 0;
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}
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2007-04-02 16:12:33 +02:00
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}
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2007-04-02 15:20:55 +02:00
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/*******************************************************************************/
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/* Attend la retrace verticale */
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2018-10-12 20:37:26 +02:00
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void VGA_wait_vretrace(void)
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2007-04-02 15:20:55 +02:00
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{
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2018-10-12 22:31:34 +02:00
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while ((inb(STATE) & 8) == 0) ;
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2007-04-02 15:20:55 +02:00
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}
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/*******************************************************************************/
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/* Attend la retrace horizontale */
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2018-10-12 20:37:26 +02:00
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|
void VGA_wait_hretrace(void)
|
2007-04-02 15:20:55 +02:00
|
|
|
|
{
|
2018-10-12 22:31:34 +02:00
|
|
|
|
while ((inb(STATE) & 1) == 0) ;
|
2007-04-02 15:20:55 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
|
|
|
|
/* Active l'affichage du curseur de texte */
|
|
|
|
|
|
2018-10-12 20:37:26 +02:00
|
|
|
|
void VGA_cursor_enable(void)
|
2007-04-02 15:20:55 +02:00
|
|
|
|
{
|
|
|
|
|
u8 curs;
|
|
|
|
|
/* active le curseur hardware */
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(CCRT, 10);
|
|
|
|
|
curs = inb(CCRT + 1) & ~32;
|
|
|
|
|
outb(CCRT + 1, curs);
|
2018-10-12 20:37:26 +02:00
|
|
|
|
infos.isgraphic=true;
|
2007-04-02 15:20:55 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
|
|
|
|
/* Desactive l'affichage du curseur de texte */
|
|
|
|
|
|
2018-10-12 20:37:26 +02:00
|
|
|
|
void VGA_cursor_disable(void)
|
2007-04-02 15:20:55 +02:00
|
|
|
|
{
|
|
|
|
|
u8 curs;
|
2007-04-02 15:43:32 +02:00
|
|
|
|
/* Desactive le curseur hardware */
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(CCRT, 10);
|
|
|
|
|
curs = inb(CCRT + 1) | 32;
|
|
|
|
|
outb(CCRT + 1, curs);
|
2018-10-12 20:37:26 +02:00
|
|
|
|
infos.isgraphic=false;
|
2007-04-02 15:20:55 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
|
|
|
|
/* Utilise le plan de bit sp<73>cifi<66> */
|
|
|
|
|
|
|
|
|
|
void useplane(u8 plan)
|
|
|
|
|
{
|
|
|
|
|
u8 mask;
|
|
|
|
|
plan &= 3;
|
|
|
|
|
mask = 1 << plan;
|
|
|
|
|
/* choisi le plan de lecture */
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(GRAPHICS, 4);
|
|
|
|
|
outb(GRAPHICS + 1, plan);
|
2007-04-02 15:20:55 +02:00
|
|
|
|
/* choisi le plan d'ecriture */
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(SEQUENCER, 2);
|
|
|
|
|
outb(SEQUENCER + 1, mask);
|
2007-04-02 15:20:55 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
|
|
|
|
/* fixe la position du curseur texte */
|
|
|
|
|
|
2018-10-12 20:37:26 +02:00
|
|
|
|
void VGA_cursor_set(u16 x, u16 y)
|
2007-04-02 15:20:55 +02:00
|
|
|
|
{
|
|
|
|
|
u16 pos;
|
2018-08-17 16:46:56 +02:00
|
|
|
|
if (splitY == 0)
|
2018-10-12 22:31:34 +02:00
|
|
|
|
pos = (infos.currentshowedpage * infos.pagesize / 2 + x + y * infos.currentwidth);
|
2018-08-17 16:46:56 +02:00
|
|
|
|
else
|
2018-10-12 22:31:34 +02:00
|
|
|
|
pos = (x + y * infos.currentwidth);
|
|
|
|
|
outb(CCRT, 0x0F);
|
|
|
|
|
outb(CCRT + 1, (u8) (pos & 0x00FF));
|
|
|
|
|
outb(CCRT, 0x0E);
|
|
|
|
|
outb(CCRT + 1, (u8) ((pos & 0xFF00) >> 8));
|
|
|
|
|
infos.currentcursorX=x;
|
|
|
|
|
infos.currentcursorY=y;
|
2007-04-02 15:20:55 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
|
|
|
|
/* Charge une nouvelle police de caract<63>re */
|
2018-10-12 20:37:26 +02:00
|
|
|
|
/* ERR 1 mode graphique activ<69>*/
|
2007-04-02 15:20:55 +02:00
|
|
|
|
|
2018-10-12 20:37:26 +02:00
|
|
|
|
u32 VGA_font_load(u8 * def, u8 size, u8 font)
|
2007-04-02 15:20:55 +02:00
|
|
|
|
{
|
2018-10-12 20:37:26 +02:00
|
|
|
|
if (infos.isgraphic)
|
2018-08-17 16:46:56 +02:00
|
|
|
|
return 1;
|
|
|
|
|
u8 oldregs[5] = { 0, 0, 0, 0, 0 };
|
|
|
|
|
u8 *base;
|
2007-04-02 15:20:55 +02:00
|
|
|
|
u16 i;
|
2018-08-17 16:46:56 +02:00
|
|
|
|
if (font > 7)
|
|
|
|
|
return 1;
|
|
|
|
|
if (font < 4)
|
|
|
|
|
base = (u8 *) (getbase() + (font << 14));
|
2007-04-02 15:20:55 +02:00
|
|
|
|
else
|
2018-08-17 16:46:56 +02:00
|
|
|
|
base = (u8 *) (getbase() + ((((font - 4) << 1) + 1) << 13));
|
2007-04-02 15:20:55 +02:00
|
|
|
|
/* sauve les anciens registres */
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(SEQUENCER, 2);
|
|
|
|
|
oldregs[0] = inb(SEQUENCER + 1);
|
|
|
|
|
outb(SEQUENCER, 4);
|
|
|
|
|
oldregs[1] = inb(SEQUENCER + 1);
|
2007-04-02 15:20:55 +02:00
|
|
|
|
/* Adressage paire/impair desactiv<69> (lineaire) */
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(SEQUENCER + 1, oldregs[1] | 0x04);
|
|
|
|
|
outb(GRAPHICS, 4);
|
|
|
|
|
oldregs[2] = inb(GRAPHICS + 1);
|
|
|
|
|
outb(GRAPHICS, 5);
|
|
|
|
|
oldregs[3] = inb(GRAPHICS + 1);
|
2007-04-02 15:20:55 +02:00
|
|
|
|
/* Adressage paire/impair desactiv<69> (lineaire) */
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(GRAPHICS + 1, oldregs[3] & ~0x10);
|
|
|
|
|
outb(GRAPHICS, 6);
|
|
|
|
|
oldregs[4] = inb(GRAPHICS + 1);
|
2007-04-02 15:20:55 +02:00
|
|
|
|
/* Adressage paire/impair desactiv<69> (lineaire) */
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(GRAPHICS + 1, oldregs[4] & ~0x02);
|
2007-04-02 15:20:55 +02:00
|
|
|
|
/* utilisation du plan N<>2 */
|
2018-08-17 16:46:56 +02:00
|
|
|
|
useplane(2);
|
|
|
|
|
for (i = 0; i < 256; i++) {
|
|
|
|
|
memcpy(def, base + i * 32, size, 1);
|
2007-04-02 15:20:55 +02:00
|
|
|
|
def += size;
|
|
|
|
|
}
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(SEQUENCER, 2);
|
|
|
|
|
outb(SEQUENCER + 1, oldregs[0]);
|
|
|
|
|
outb(SEQUENCER, 4);
|
|
|
|
|
outb(SEQUENCER + 1, oldregs[1]);
|
|
|
|
|
outb(GRAPHICS, 4);
|
|
|
|
|
outb(GRAPHICS + 1, oldregs[2]);
|
|
|
|
|
outb(GRAPHICS, 5);
|
|
|
|
|
outb(GRAPHICS + 1, oldregs[3]);
|
|
|
|
|
outb(GRAPHICS, 6);
|
|
|
|
|
outb(GRAPHICS + 1, oldregs[4]);
|
2007-04-02 15:20:55 +02:00
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
|
|
|
|
/* Fixe le N<> de la police de caract<63>re a utiliser */
|
|
|
|
|
|
2018-10-12 20:37:26 +02:00
|
|
|
|
void VGA_font1_set(u8 num)
|
2007-04-02 15:20:55 +02:00
|
|
|
|
{
|
2018-08-17 16:46:56 +02:00
|
|
|
|
num &= 0x07;
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(SEQUENCER, 3);
|
|
|
|
|
outb(SEQUENCER + 1,
|
|
|
|
|
(inb(SEQUENCER + 1) & 0xEC) | ((num & 0x03) +
|
2018-08-17 16:46:56 +02:00
|
|
|
|
((num & 0x04) << 2)));
|
2018-10-12 22:31:34 +02:00
|
|
|
|
infos.currentfont1=num;
|
2007-04-02 16:12:33 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
|
|
|
|
/* Fixe le N<> de la police de caract<63>re a utiliser */
|
|
|
|
|
|
2018-10-12 20:37:26 +02:00
|
|
|
|
void VGA_font2_set(u8 num)
|
2007-04-02 16:12:33 +02:00
|
|
|
|
{
|
2018-08-17 16:46:56 +02:00
|
|
|
|
num &= 0x07;
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(SEQUENCER, 3);
|
|
|
|
|
outb(SEQUENCER + 1,
|
|
|
|
|
(inb(SEQUENCER + 1) & 0xD3) | (((num & 0x03) << 2) +
|
2018-08-17 16:46:56 +02:00
|
|
|
|
((num & 0x04) << 3)));
|
2018-10-12 22:31:34 +02:00
|
|
|
|
infos.currentfont2=num;
|
2007-04-02 15:20:55 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
2018-08-17 16:46:56 +02:00
|
|
|
|
/* Autorise le clignotement */
|
2007-04-02 16:12:33 +02:00
|
|
|
|
|
2018-10-12 20:37:26 +02:00
|
|
|
|
void VGA_blink_enable(void)
|
2007-04-02 16:12:33 +02:00
|
|
|
|
{
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(CCRT, 0x10);
|
|
|
|
|
outb(CCRT + 1, (inb(SEQUENCER + 1) | 0x04));
|
|
|
|
|
infos.isblinking=true;
|
2007-04-02 16:12:33 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
2018-08-17 16:46:56 +02:00
|
|
|
|
/* Annule le clignotement */
|
2007-04-02 15:43:32 +02:00
|
|
|
|
|
2018-10-12 20:37:26 +02:00
|
|
|
|
void VGA_blink_disable(void)
|
2007-04-02 16:12:33 +02:00
|
|
|
|
{
|
2018-10-12 22:31:34 +02:00
|
|
|
|
outb(CCRT, 0x10);
|
|
|
|
|
outb(CCRT + 1, (inb(SEQUENCER + 1) & ~0x04));
|
|
|
|
|
infos.isblinking=false;
|
2018-08-17 16:46:56 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
|
|
|
|
/* Envoie une s<>rie d'octet a destination d'une portion de m<>moire
|
|
|
|
|
vers le registre sp<EFBFBD>cifi<EFBFBD> */
|
|
|
|
|
|
|
|
|
|
void outreg(u16 port, u8 * src, u16 num)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
for (i = 0; i < num; i++) {
|
|
|
|
|
outb(port, i);
|
|
|
|
|
outb(port + 1, *src++);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
|
|
|
|
/* Envoie une s<>rie d'octet a destination d'une portion de m<>moire
|
|
|
|
|
vers le registre sp<EFBFBD>cifi<EFBFBD> (acc<EFBFBD>s data et index confondu) */
|
|
|
|
|
|
|
|
|
|
void outregsame(u16 port, u8 * src, u16 num)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
for (i = 0; i < num; i++) {
|
|
|
|
|
inb(port);
|
|
|
|
|
outb(port, i);
|
|
|
|
|
outb(port, *src++);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
|
|
|
|
/* R<>cup<75>re une s<>rie d'octet en provenance d'un registre sp<73>cifi<66>
|
|
|
|
|
vers portion de m<EFBFBD>moire */
|
|
|
|
|
|
|
|
|
|
void inreg(u16 port, u8 * src, u16 num)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
for (i = 0; i < num; i++) {
|
|
|
|
|
outb(port, i);
|
|
|
|
|
*src++ = inb(port + 1);
|
|
|
|
|
}
|
2007-04-02 16:12:33 +02:00
|
|
|
|
}
|
2007-04-02 15:43:32 +02:00
|
|
|
|
|
2007-04-02 16:12:33 +02:00
|
|
|
|
/*******************************************************************************/
|
2018-08-17 16:46:56 +02:00
|
|
|
|
/* R<>cup<75>re une s<>rie d'octet en provenance d'un registre sp<73>cifi<66>
|
|
|
|
|
vers portion de m<EFBFBD>moire (acc<EFBFBD>s data et index confondu) */
|
|
|
|
|
|
|
|
|
|
void inregsame(u16 port, u8 * src, u16 num)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
for (i = 0; i < num; i++) {
|
|
|
|
|
inb(port);
|
|
|
|
|
outb(port, i);
|
|
|
|
|
*src++ = inb(port);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|