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Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/os2/int10/os2.c')
-rw-r--r--nx-X11/programs/Xserver/hw/xfree86/os-support/os2/int10/os2.c452
1 files changed, 0 insertions, 452 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/os2/int10/os2.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/os2/int10/os2.c
deleted file mode 100644
index d01cfb373..000000000
--- a/nx-X11/programs/Xserver/hw/xfree86/os-support/os2/int10/os2.c
+++ /dev/null
@@ -1,452 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/os2/int10/os2.c,v 1.3 2001/04/30 14:34:58 tsi Exp $ */
-/*
- * XFree86 int10 module
- * execute BIOS int 10h calls in x86 real mode environment
- * Copyright 1999 Egbert Eich
- */
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "xf86.h"
-#include "xf86str.h"
-#include "xf86_OSproc.h"
-#include "xf86_ansic.h"
-#include "xf86Pci.h"
-#include "compiler.h"
-#define _INT10_PRIVATE
-#include "xf86int10.h"
-#include "int10Defines.h"
-
-static CARD8 read_b(xf86Int10InfoPtr pInt,int addr);
-static CARD16 read_w(xf86Int10InfoPtr pInt,int addr);
-static CARD32 read_l(xf86Int10InfoPtr pInt,int addr);
-static void write_b(xf86Int10InfoPtr pInt,int addr, CARD8 val);
-static void write_w(xf86Int10InfoPtr pInt,int addr, CARD16 val);
-static void write_l(xf86Int10InfoPtr pInt,int addr, CARD32 val);
-
-/*
- * the emulator cannot pass a pointer to the current xf86Int10InfoRec
- * to the memory access functions therefore store it here.
- */
-
-typedef struct {
- int shift;
- int pagesize_1;
- int entries;
- void* vRam;
- memType *alloc_rec;
-} genericInt10Priv;
-
-#define INTPriv(x) ((genericInt10Priv*)x->private)
-
-int10MemRec genericMem = {
- read_b,
- read_w,
- read_l,
- write_b,
- write_w,
- write_l
-};
-
-static void MapVRam(xf86Int10InfoPtr pInt);
-static void UnmapVRam(xf86Int10InfoPtr pInt);
-static void setupTable(xf86Int10InfoPtr pInt, memType address,
- int loc,int size);
-
-static void *sysMem = NULL;
-
-xf86Int10InfoPtr
-xf86InitInt10(int entityIndex)
-{
- xf86Int10InfoPtr pInt;
- int screen;
- void* intMem;
- void* vbiosMem;
- int pagesize;
- int entries;
- int shift;
- legacyVGARec vga;
-
- screen = (xf86FindScreenForEntity(entityIndex))->scrnIndex;
-
- if (int10skip(xf86Screens[screen],entityIndex))
- return NULL;
-
- pInt = (xf86Int10InfoPtr)xnfcalloc(1,sizeof(xf86Int10InfoRec));
- pInt->entityIndex = entityIndex;
- if (!xf86Int10ExecSetup(pInt))
- goto error0;
- pInt->mem = &genericMem;
- pagesize = xf86getpagesize();
- pInt->private = (pointer)xnfcalloc(1,sizeof(genericInt10Priv));
- entries = SYS_SIZE / pagesize;
-
- pInt->scrnIndex = screen;
- INTPriv(pInt)->pagesize_1 = pagesize - 1;
- INTPriv(pInt)->entries = entries;
- INTPriv(pInt)->alloc_rec =
- xnfcalloc(1,sizeof(memType) * entries);
- for (shift = 0 ; (pagesize >> shift) ; shift++) {};
- shift -= 1;
- INTPriv(pInt)->shift = shift;
-
- /*
- * we need to map video RAM MMIO as some chipsets map mmio
- * registers into this range.
- */
-
- MapVRam(pInt);
- intMem = xnfalloc(pagesize);
- setupTable(pInt,(memType)intMem,0,pagesize);
- vbiosMem = xnfalloc(V_BIOS_SIZE);
-
-#ifdef _PC
- if (!sysMem)
- sysMem = xf86MapVidMem(screen,VIDMEM_FRAMEBUFFER,SYS_BIOS,BIOS_SIZE);
- setupTable(pInt,(memType)sysMem,SYS_BIOS,BIOS_SIZE);
- if (xf86ReadBIOS(0,0,(unsigned char *)intMem,LOW_PAGE_SIZE) < 0) {
- xf86DrvMsg(screen,X_ERROR,"Cannot read int vect\n");
- goto error1;
- }
- if (xf86IsEntityPrimary(entityIndex)) {
- int size;
- int cs = MEM_RW(pInt,((0x10<<2)+2));
-
-int i,k,m;
-char buf[100], hx[10];
-for (i=0; i<0x100; i+=16) {
-sprintf(buf,"%04x: ",i);
-for (k=0; k<16; k++) {
- m = MEM_RB(pInt,i+k);
- sprintf(hx,"%02x ",((unsigned)m)&0xff);
- strcat(buf,hx);
-}
-xf86DrvMsg(screen,X_INFO,"%s\n",buf);
-}
-
-
-
- xf86DrvMsg(screen,X_INFO,"Primary V_BIOS segmant is: 0x%x\n",cs);
- if (xf86ReadBIOS(cs << 4,0,(unsigned char *)vbiosMem,
- 0x10) < 0) {
- xf86DrvMsg(screen,X_ERROR,"Cannot read V_BIOS (1)\n");
- goto error1;
- }
- if (!((*(CARD8*)vbiosMem == 0x55)
- && (*((CARD8*)vbiosMem + 1) == 0xAA))) {
- xf86DrvMsg(screen,X_ERROR,"No V_BIOS found\n");
- goto error1;
- }
-
- size = *((CARD8*)vbiosMem + 2) * 512;
- if (xf86ReadBIOS(cs << 4,0,vbiosMem, size) < 0) {
- xf86DrvMsg(screen,X_ERROR,"Cannot read V_BIOS (2)\n");
- goto error1;
- }
-
- setupTable(pInt,(memType)vbiosMem,cs<<4,size);
- set_return_trap(pInt);
- pInt->BIOSseg = cs;
- } else {
- reset_int_vect(pInt);
- set_return_trap(pInt);
- if (!mapPciRom(pInt,(unsigned char *)(vbiosMem))) {
- xf86DrvMsg(screen,X_ERROR,"Cannot read V_BIOS (3)\n");
- goto error1;
- }
- setupTable(pInt,(memType)vbiosMem,V_BIOS,V_BIOS_SIZE);
- pInt->BIOSseg = V_BIOS >> 4;
- pInt->num = 0xe6;
- LockLegacyVGA(pInt, &vga);
- xf86ExecX86int10(pInt);
- UnlockLegacyVGA(pInt, &vga);
- }
-#else
- if (!sysMem) {
- sysMem = xnfalloc(BIOS_SIZE);
- setup_system_bios((memType)sysMem);
- }
- setupTable(pInt,(memType)sysMem,SYS_BIOS,BIOS_SIZE);
- setup_int_vect(pInt);
- set_return_trap(pInt);
- if (!mapPciRom(pInt,(unsigned char *)(vbiosMem))) {
- xf86DrvMsg(screen,X_ERROR,"Cannot read V_BIOS (4)\n");
- goto error1;
- }
- setupTable(pInt,(memType)vbiosMem,V_BIOS,V_BIOS_SIZE);
- pInt->BIOSseg = V_BIOS >> 4;
- pInt->num = 0xe6;
- LockLegacyVGA(pInt, &vga);
- xf86ExecX86int10(pInt);
- UnlockLegacyVGA(pInt, &vga);
-#endif
- return pInt;
-
- error1:
- xfree(vbiosMem);
- xfree(intMem);
- UnmapVRam(pInt);
- xfree(INTPriv(pInt)->alloc_rec);
- xfree(pInt->private);
- error0:
- xfree(pInt);
-
- return NULL;
-}
-
-static void
-MapVRam(xf86Int10InfoPtr pInt)
-{
- int screen = pInt->scrnIndex;
- int pagesize = INTPriv(pInt)->pagesize_1 + 1;
- int size = ((VRAM_SIZE + pagesize - 1)/pagesize) * pagesize;
- INTPriv(pInt)->vRam = xf86MapVidMem(screen,VIDMEM_MMIO,V_RAM,size);
-}
-
-static void
-UnmapVRam(xf86Int10InfoPtr pInt)
-{
- int screen = pInt->scrnIndex;
- int pagesize = INTPriv(pInt)->pagesize_1 + 1;
- int size = ((VRAM_SIZE + pagesize - 1)/pagesize) * pagesize;
-
- xf86UnMapVidMem(screen,INTPriv(pInt)->vRam,size);
-}
-
-Bool
-MapCurrentInt10(xf86Int10InfoPtr pInt)
-{
- /* nothing to do here */
- return TRUE;
-}
-
-void
-xf86FreeInt10(xf86Int10InfoPtr pInt)
-{
- int pagesize;
-
- if (!pInt)
- return;
- pagesize = INTPriv(pInt)->pagesize_1 + 1;
- if (Int10Current == pInt)
- Int10Current = NULL;
- xfree(INTPriv(pInt)->alloc_rec[V_BIOS/pagesize]);
- xfree(INTPriv(pInt)->alloc_rec[0]);
- UnmapVRam(pInt);
- xfree(INTPriv(pInt)->alloc_rec);
- xfree(pInt->private);
- xfree(pInt);
-}
-
-void *
-xf86Int10AllocPages(xf86Int10InfoPtr pInt,int num, int *off)
-{
- void* addr;
- int pagesize = INTPriv(pInt)->pagesize_1 + 1;
- int num_pages = INTPriv(pInt)->entries;
- int i,j;
-
- for (i=0;i<num_pages - num;i++) {
- if (INTPriv(pInt)->alloc_rec[i] == 0) {
- for (j=i;j < num + i;j++)
- if ((INTPriv(pInt)->alloc_rec[j] != 0))
- break;
- if (j == num + i)
- break;
- else
- i = i + num;
- }
- }
- if (i == num_pages - num)
- return NULL;
-
- *off = i * pagesize;
- addr = xnfalloc(pagesize * num);
- setupTable(pInt,(memType)addr,*off,pagesize * num);
-
- return addr;
-}
-
-void
-xf86Int10FreePages(xf86Int10InfoPtr pInt, void *pbase, int num)
-{
- int num_pages = INTPriv(pInt)->entries;
- int i,j;
- for (i = 0;i<num_pages - num; i++)
- if (INTPriv(pInt)->alloc_rec[i]==(memType)pbase) {
- for (j = 0; j < num; j++)
- INTPriv(pInt)->alloc_rec[i] = 0;
- break;
- }
- xfree(pbase);
- return;
-}
-
-static void
-setupTable(xf86Int10InfoPtr pInt, memType address,int loc,int size)
-{
- int pagesize = INTPriv(pInt)->pagesize_1 + 1;
- int i,j,num;
-
- i = loc / pagesize;
- num = (size + pagesize - 1)/ pagesize; /* round up to the nearest page */
- /* boudary if size is not */
- /* multiple of pagesize */
- for (j = 0; j<num; j++) {
- INTPriv(pInt)->alloc_rec[i+j] = address;
- address += pagesize;
- }
-}
-
-#define OFF(addr) \
- ((addr) & (INTPriv(pInt)->pagesize_1))
-#define SHIFT \
- (INTPriv(pInt)->shift)
-#define BASE(addr,shift) \
- (INTPriv(pInt)->alloc_rec[addr >> shift])
-#define V_ADDR(addr,shift,off) \
- (BASE(addr,shift) + (off))
-#define VRAM_ADDR(addr) (addr - 0xA0000)
-#define VRAM_BASE (INTPriv(pInt)->vRam)
-
-#define VRAM(addr) ((addr >= 0xA0000) && (addr <= 0xBFFFF))
-#define V_ADDR_RB(addr,shift,off) \
- (VRAM(addr)) ? MMIO_IN8((CARD8*)VRAM_BASE,VRAM_ADDR(addr)) \
- : *(CARD8*) V_ADDR(addr,shift,off)
-#define V_ADDR_RW(addr,shift,off) \
- (VRAM(addr)) ? MMIO_IN16((CARD16*)VRAM_BASE,VRAM_ADDR(addr)) \
- : ldw_u((pointer)V_ADDR(addr,shift,off))
-#define V_ADDR_RL(addr,shift,off) \
- (VRAM(addr)) ? MMIO_IN32((CARD32*)VRAM_BASE,VRAM_ADDR(addr)) \
- : ldl_u((pointer)V_ADDR(addr,shift,off))
-
-#define V_ADDR_WB(addr,shift,off,val) \
- if(VRAM(addr)) \
- MMIO_OUT8((CARD8*)VRAM_BASE,VRAM_ADDR(addr),val); \
- else \
- *(CARD8*) V_ADDR(addr,shift,off) = val;
-#define V_ADDR_WW(addr,shift,off,val) \
- if(VRAM(addr)) \
- MMIO_OUT16((CARD16*)VRAM_BASE,VRAM_ADDR(addr),val); \
- else \
- stw_u((val),(pointer)(V_ADDR(addr,shift,off)));
-
-#define V_ADDR_WL(addr,shift,off,val) \
- if (VRAM(addr)) \
- MMIO_OUT32((CARD32*)VRAM_BASE,VRAM_ADDR(addr),val); \
- else \
- stl_u(val,(pointer)(V_ADDR(addr,shift,off)));
-
-static CARD8
-read_b(xf86Int10InfoPtr pInt, int addr)
-{
- if (!BASE(addr,SHIFT)) return 0xff;
-
- return V_ADDR_RB(addr,SHIFT,OFF(addr));
-}
-
-static CARD16
-read_w(xf86Int10InfoPtr pInt, int addr)
-{
- int shift = SHIFT;
- int off = OFF(addr);
-
- if (!BASE(addr,shift)) return 0xffff;
-
-#if X_BYTE_ORDER == X_BIG_ENDIAN
- return ((V_ADDR_RB(addr,shift,off))
- || ((V_ADDR_RB(addr,shift,off + 1)) << 8));
-#else
- if (OFF(addr + 1) > 0) {
- return V_ADDR_RW(addr,SHIFT,OFF(addr));
- } else {
- return ((V_ADDR_RB(addr,shift,off + 1))
- || ((V_ADDR_RB(addr,shift,off)) << 8));
- }
-#endif
-}
-
-static CARD32
-read_l(xf86Int10InfoPtr pInt, int addr)
-{
- int shift = SHIFT;
- int off = OFF(addr);
-
- if (!BASE(addr,shift)) return 0xffffffff;
-
-#if X_BYTE_ORDER == X_BIG_ENDIAN
- return ((V_ADDR_RB(addr,shift,off))
- || ((V_ADDR_RB(addr,shift,off + 1)) << 8)
- || ((V_ADDR_RB(addr,shift,off + 2)) << 16)
- || ((V_ADDR_RB(addr,shift,off + 3)) << 24));
-#else
- if (OFF(addr + 3) > 2) {
- return V_ADDR_RL(addr,SHIFT,OFF(addr));
- } else {
- return ((V_ADDR_RB(addr,shift,off + 3))
- || ((V_ADDR_RB(addr,shift,off + 2)) << 8)
- || ((V_ADDR_RB(addr,shift,off + 1)) << 16)
- || ((V_ADDR_RB(addr,shift,off)) << 24));
- }
-#endif
-}
-
-static void
-write_b(xf86Int10InfoPtr pInt, int addr, CARD8 val)
-{
- if (!BASE(addr,SHIFT)) return;
-
- V_ADDR_WB(addr,SHIFT,OFF(addr),val);
-}
-
-static void
-write_w(xf86Int10InfoPtr pInt, int addr, CARD16 val)
-{
- int shift = SHIFT;
- int off = OFF(addr);
-
- if (!BASE(addr,shift)) return;
-
-#if X_BYTE_ORDER == X_BIG_ENDIAN
- V_ADDR_WB(addr,shift,off,val);
- V_ADDR_WB(addr,shift,off + 1,val >> 8);
-#else
- if (OFF(addr + 1) > 0) {
- V_ADDR_WW(addr,shift,OFF(addr),val);
- } else {
- V_ADDR_WB(addr,shift,off + 1,val);
- V_ADDR_WB(addr,shift,off,val >> 8);
- }
-#endif
-}
-
-static void
-write_l(xf86Int10InfoPtr pInt, int addr, CARD32 val)
-{
- int shift = SHIFT;
- int off = OFF(addr);
- if (!BASE(addr,shift)) return;
-
-#if X_BYTE_ORDER == X_BIG_ENDIAN
- V_ADDR_WB(addr,shift,off,val);
- V_ADDR_WB(addr,shift,off + 1, val >> 8);
- V_ADDR_WB(addr,shift,off + 2, val >> 16);
- V_ADDR_WB(addr,shift,off + 3, val >> 24);
-#else
- if (OFF(addr + 3) > 2) {
- V_ADDR_WL(addr,shift,OFF(addr),val);
- } else {
- V_ADDR_WB(addr,shift,off + 3, val);
- V_ADDR_WB(addr,shift,off + 2, val >> 8);
- V_ADDR_WB(addr,shift,off + 1, val >> 16);
- V_ADDR_WB(addr,shift,off, val >> 24);
- }
-#endif
-}
-
-pointer
-xf86int10Addr(xf86Int10InfoPtr pInt, CARD32 addr)
-{
- return (pointer) V_ADDR(addr,SHIFT,OFF(addr));
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 17:23:44 +0000