/* * Copyright 1999 Egbert Eich * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of the authors not be used in * advertising or publicity pertaining to distribution of the software without * specific, written prior permission.  The authors makes no representations * about the suitability of this software for any purpose.  It is provided * "as is" without express or implied warranty. * * THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */#include "debug.h"#if defined(__alpha__) || defined (__ia64__)#include <sys/io.h>#endif#include "v86bios.h"#include "AsmMacros.h"#include "pci.h"static int int1A_handler(struct regs86 *regs);static int int42_handler(int num, struct regs86 *regs);intint_handler(int num, struct regs86 *regs){    switch (num) {    case 0x10:    case 0x42:	return (int42_handler(num,regs));    case 0x1A:	return (int1A_handler(regs));    default:	return 0;    }    return 0;}static intint42_handler(int num,struct regs86 *regs){    unsigned char c;    CARD32 val;    i_printf("int 0x%x: ax:0x%lx bx:0x%lx cx:0x%lx dx:0x%lx\n",num,	   regs->eax,regs->ebx, regs->ecx, regs->edx);    /*     * video bios has modified these -     * leave it to the video bios to do this     */    val = getIntVect(num);    if (val != 0xF000F065)      return 0;    if ((regs->ebx & 0xff) == 0x32) {	switch (regs->eax & 0xFFFF) {	case 0x1200:	    i_printf("enabling video\n");	    c = inb(0x3cc);	    c |= 0x02;	    outb(0x3c2,c);	    return 1;	case 0x1201:	    i_printf("disabling video\n");	    c = inb(0x3cc);	    c &= ~0x02;	    outb(0x3c2,c);	    return 1;	default:	}    }    if (num == 0x42)	return 1;    else	return 0;}#define SUCCESSFUL              0x00#define DEVICE_NOT_FOUND        0x86#define BAD_REGISTER_NUMBER     0x87static intint1A_handler(struct regs86 *regs){    CARD32 Slot;    PciStructPtr pPci;    if (! CurrentPci) return 0; /* oops */    i_printf("int 0x1a: ax=0x%lx bx=0x%lx cx=0x%lx dx=0x%lx di=0x%lx"	 " si=0x%lx\n", regs->eax,regs->ebx,regs->ecx,regs->edx,	 regs->edi,regs->esi);    switch (regs->eax & 0xFFFF) {    case 0xb101:	regs->eax  &= 0xFF00;   /* no config space/special cycle support */	regs->edx = 0x20494350; /* " ICP" */	regs->ebx  = 0x0210;    /* Version 2.10 */	regs->ecx  &= 0xFF00;	regs->ecx |= (pciMaxBus & 0xFF);   /* Max bus number in system */	regs->eflags &= ~((unsigned long)0x01); /* clear carry flag */	i_printf("ax=0x%lx dx=0x%lx bx=0x%lx cx=0x%lx flags=0x%lx\n",		 regs->eax,regs->edx,regs->ebx,regs->ecx,regs->eflags);	return 1;    case 0xb102:	if (((regs->edx & 0xFFFF) == CurrentPci->VendorID) &&	    ((regs->ecx & 0xFFFF) == CurrentPci->DeviceID) &&	    (regs->esi == 0)) {	    regs->eax = (regs->eax & 0x00FF) | (SUCCESSFUL << 8);	    regs->eflags &= ~((unsigned long)0x01); /* clear carry flag */	    regs->ebx = pciSlotBX(CurrentPci);	}	else if (Config.ShowAllDev &&	     (pPci = findPciDevice(regs->edx,regs->ecx,regs->esi)) != NULL) {	    regs->eax = (regs->eax & 0x00FF) | (SUCCESSFUL << 8);	    regs->eflags &= ~((unsigned long)0x01); /* clear carry flag */	    regs->ebx = pciSlotBX(pPci);	} else  {	    regs->eax = (regs->eax & 0x00FF) | (DEVICE_NOT_FOUND << 8);	    regs->eflags |= ((unsigned long)0x01); /* set carry flag */	}	i_printf("ax=0x%lx bx=0x%lx flags=0x%lx\n",		 regs->eax,regs->ebx,regs->eflags);	return 1;    case 0xb103:	if (((regs->ecx & 0xFF) == CurrentPci->Interface) &&	    (((regs->ecx & 0xFF00) >> 8) == CurrentPci->SubClass) &&	    (((regs->ecx & 0xFFFF0000) >> 16) == CurrentPci->BaseClass) &&	    ((regs->esi & 0xff) == 0)) {	    regs->eax = (regs->eax & 0x00FF) | (SUCCESSFUL << 8);	    regs->ebx = pciSlotBX(CurrentPci);	    regs->eflags &= ~((unsigned long)0x01); /* clear carry flag */	}	else if (Config.ShowAllDev	     && (pPci = findPciClass(regs->ecx & 0xFF, (regs->ecx & 0xff00) >> 8,			 (regs->ecx & 0xffff0000) >> 16, regs->esi)) != NULL) {	    regs->eax = (regs->eax & 0x00FF) | (SUCCESSFUL << 8);	    regs->ebx = pciSlotBX(pPci);	    regs->eflags &= ~((unsigned long)0x01); /* clear carry flag */	} else {	    regs->eax = (regs->eax & 0x00FF) | (DEVICE_NOT_FOUND << 8);	    regs->eflags |= ((unsigned long)0x01); /* set carry flag */	}	i_printf("ax=0x%lx flags=0x%lx\n",regs->eax,regs->eflags);	return 1;    case 0xb108:	i_printf("Slot=0x%x\n",CurrentPci->Slot.l);	if ((Slot = findPci(regs->ebx))) {	    regs->ecx &= 0xFFFFFF00;	    regs->ecx |= PciRead8(regs->edi,Slot);	    regs->eax = (regs->eax & 0x00FF) | (SUCCESSFUL << 8);	    regs->eflags &= ~((unsigned long)0x01); /* clear carry flag */	} else {	    regs->eax = (regs->eax & 0x00FF) | (BAD_REGISTER_NUMBER << 8);	    regs->eflags |= ((unsigned long)0x01); /* set carry flag */	}	i_printf("ax=0x%lx cx=0x%lx flags=0x%lx\n",		 regs->eax,regs->ecx,regs->eflags);	return 1;    case 0xb109:	i_printf("Slot=0x%x\n",CurrentPci->Slot.l);	if ((Slot = findPci(regs->ebx))) {	    regs->ecx &= 0xFFFF0000;	    regs->ecx |= PciRead16(regs->edi,Slot);	    regs->eax = (regs->eax & 0x00FF) | (SUCCESSFUL << 8);	    regs->eflags &= ~((unsigned long)0x01); /* clear carry flag */	} else {	    regs->eax = (regs->eax & 0x00FF) | (BAD_REGISTER_NUMBER << 8);	    regs->eflags |= ((unsigned long)0x01); /* set carry flag */	}	i_printf("ax=0x%lx cx=0x%lx flags=0x%lx\n",		 regs->eax,regs->ecx,regs->eflags);	return 1;    case 0xb10a:	i_printf("Slot=0x%x\n",CurrentPci->Slot.l);	if ((Slot = findPci(regs->ebx))) {	    regs->ecx &= 0;	    regs->ecx |= PciRead32(regs->edi,Slot);	    regs->eax = (regs->eax & 0x00FF) | (SUCCESSFUL << 8);	    regs->eflags &= ~((unsigned long)0x01); /* clear carry flag */	} else {	    regs->eax = (regs->eax & 0x00FF) | (BAD_REGISTER_NUMBER << 8);	    regs->eflags |= ((unsigned long)0x01); /* set carry flag */	}	i_printf("ax=0x%lx cx=0x%lx flags=0x%lx\n",		 regs->eax,regs->ecx,regs->eflags);	return 1;    case 0xb10b:	i_printf("Slot=0x%x\n",CurrentPci->Slot.l);	if ((Slot = findPci(regs->ebx))) {	    PciWrite8(regs->edi,(CARD8)regs->ecx,Slot);	    regs->eax = (regs->eax & 0x00FF) | (SUCCESSFUL << 8);	    regs->eflags &= ~((unsigned long)0x01); /* clear carry flag */	} else {	    regs->eax = (regs->eax & 0x00FF) | (BAD_REGISTER_NUMBER << 8);	    regs->eflags |= ((unsigned long)0x01); /* set carry flag */	}	i_printf("ax=0x%lx flags=0x%lx\n", regs->eax,regs->eflags);	return 1;    case 0xb10c:	i_printf("Slot=0x%x\n",CurrentPci->Slot.l);	if ((Slot = findPci(regs->ebx))) {	    PciWrite16(regs->edi,(CARD16)regs->ecx,Slot);	    regs->eax = (regs->eax & 0x00FF) | (SUCCESSFUL << 8);	    regs->eflags &= ~((unsigned long)0x01); /* clear carry flag */	} else {	    regs->eax = (regs->eax & 0x00FF) | (BAD_REGISTER_NUMBER << 8);	    regs->eflags |= ((unsigned long)0x01); /* set carry flag */	}	i_printf("ax=0x%lx flags=0x%lx\n", regs->eax,regs->eflags);	return 1;    case 0xb10d:	i_printf("Slot=0x%x\n",CurrentPci->Slot.l);	if ((Slot = findPci(regs->ebx))) {	    PciWrite32(regs->edi,(CARD32)regs->ecx,Slot);	    regs->eax = (regs->eax & 0x00FF) | (SUCCESSFUL << 8);	    regs->eflags &= ~((unsigned long)0x01); /* clear carry flag */	} else {	    regs->eax = (regs->eax & 0x00FF) | (BAD_REGISTER_NUMBER << 8);	    regs->eflags |= ((unsigned long)0x01); /* set carry flag */	}	i_printf("ax=0x%lx flags=0x%lx\n", regs->eax,regs->eflags);	return 1;    default:	return 0;    }}