1 files changed, 324 insertions, 327 deletions
diff --git a/xorg-server/hw/xfree86/int10/helper_mem.c b/xorg-server/hw/xfree86/int10/helper_mem.c
index 610cd42ac..9088298a9 100644
--- a/xorg-server/hw/xfree86/int10/helper_mem.c
+++ b/xorg-server/hw/xfree86/int10/helper_mem.c
@@ -1,327 +1,324 @@
-/*
- *                   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 <string.h>
-#include <stdlib.h>
-
-#include "xf86.h"
-#include "xf86_OSproc.h"
-#include "compiler.h"
-#include "xf86Pci.h"
-#define _INT10_PRIVATE
-#if 0
-#include "int10Defines.h"
-#endif
-#include "xf86int10.h"
-
-#define REG pInt
-
-typedef enum {
-    OPT_NOINT10,
-    OPT_INIT_PRIMARY,
-} INT10Opts;
-
-static const OptionInfoRec INT10Options[] = {
-    {OPT_NOINT10,       "NoINT10",      OPTV_BOOLEAN,   {0},    FALSE },
-    {OPT_INIT_PRIMARY,  "InitPrimary",  OPTV_BOOLEAN,   {0},    FALSE },   
-    { -1,		NULL,		OPTV_NONE,	{0},	FALSE },
-};
-
-#ifdef DEBUG
-void
-dprint(unsigned long start, unsigned long size)
-{
-    int i,j;
-    char *c = (char *)start;
-
-    for (j = 0; j < (size >> 4); j++) {
-	char *d = c;
-	ErrorF("\n0x%lx:  ",(unsigned long)c);
-	for (i = 0; i<16; i++)
-	    ErrorF("%2.2x ",(unsigned char) (*(c++)));
-	c = d;
-	for (i = 0; i<16; i++) {
-	    ErrorF("%c",((((CARD8)(*c)) > 32) && (((CARD8)(*c)) < 128)) ?
-		   (unsigned char) (*(c)): '.');
-	    c++;
-	}
-    }
-    ErrorF("\n");
-}
-#endif
-
-#ifndef _PC
-/*
- * here we are really paranoid about faking a "real"
- * BIOS. Most of this information was pulled from
- * dosemu.
- */
-void
-setup_int_vect(xf86Int10InfoPtr pInt)
-{
-    int i;
-
-    /* let the int vects point to the SYS_BIOS seg */
-    for (i = 0; i < 0x80; i++) {
-	MEM_WW(pInt, i << 2, 0);
-	MEM_WW(pInt, (i << 2) + 2, SYS_BIOS >> 4);
-    }
-
-    reset_int_vect(pInt);
-    /* font tables default location (int 1F) */
-    MEM_WW(pInt,0x1f<<2,0xfa6e);
-
-    /* int 11 default location (Get Equipment Configuration) */
-    MEM_WW(pInt, 0x11 << 2, 0xf84d);
-    /* int 12 default location (Get Conventional Memory Size) */
-    MEM_WW(pInt, 0x12 << 2, 0xf841);
-    /* int 15 default location (I/O System Extensions) */
-    MEM_WW(pInt, 0x15 << 2, 0xf859);
-    /* int 1A default location (RTC, PCI and others) */
-    MEM_WW(pInt, 0x1a << 2, 0xff6e);
-    /* int 05 default location (Bound Exceeded) */
-    MEM_WW(pInt, 0x05 << 2, 0xff54);
-    /* int 08 default location (Double Fault) */
-    MEM_WW(pInt, 0x08 << 2, 0xfea5);
-    /* int 13 default location (Disk) */
-    MEM_WW(pInt, 0x13 << 2, 0xec59);
-    /* int 0E default location (Page Fault) */
-    MEM_WW(pInt, 0x0e << 2, 0xef57);
-    /* int 17 default location (Parallel Port) */
-    MEM_WW(pInt, 0x17 << 2, 0xefd2);
-    /* fdd table default location (int 1e) */
-    MEM_WW(pInt, 0x1e << 2, 0xefc7);
-
-    /* Set Equipment flag to VGA */
-    i = MEM_RB(pInt, 0x0410) & 0xCF;
-    MEM_WB(pInt, 0x0410, i);
-    /* XXX Perhaps setup more of the BDA here.  See also int42(0x00). */
-}
-#endif
-
-int
-setup_system_bios(void *base_addr)
-{
-    char *base = (char *) base_addr;
-
-    /*
-     * we trap the "industry standard entry points" to the BIOS
-     * and all other locations by filling them with "hlt"
-     * TODO: implement hlt-handler for these
-     */
-    memset(base, 0xf4, 0x10000);
-
-    /* set bios date */
-    strcpy(base + 0x0FFF5, "06/11/99");
-    /* set up eisa ident string */
-    strcpy(base + 0x0FFD9, "PCI_ISA");
-    /* write system model id for IBM-AT */
-    *((unsigned char *)(base + 0x0FFFE)) = 0xfc;
-
-    return 1;
-}
-
-void
-reset_int_vect(xf86Int10InfoPtr pInt)
-{
-    /*
-     * This table is normally located at 0xF000:0xF0A4.  However, int 0x42,
-     * function 0 (Mode Set) expects it (or a copy) somewhere in the bottom
-     * 64kB.  Note that because this data doesn't survive POST, int 0x42 should
-     * only be used during EGA/VGA BIOS initialisation.
-     */
-    static const CARD8 VideoParms[] = {
-	/* Timing for modes 0x00 & 0x01 */
-	0x38, 0x28, 0x2d, 0x0a, 0x1f, 0x06, 0x19, 0x1c,
-	0x02, 0x07, 0x06, 0x07, 0x00, 0x00, 0x00, 0x00,
-	/* Timing for modes 0x02 & 0x03 */
-	0x71, 0x50, 0x5a, 0x0a, 0x1f, 0x06, 0x19, 0x1c,
-	0x02, 0x07, 0x06, 0x07, 0x00, 0x00, 0x00, 0x00,
-	/* Timing for modes 0x04, 0x05 & 0x06 */
-	0x38, 0x28, 0x2d, 0x0a, 0x7f, 0x06, 0x64, 0x70,
-	0x02, 0x01, 0x06, 0x07, 0x00, 0x00, 0x00, 0x00,
-	/* Timing for mode 0x07 */
-	0x61, 0x50, 0x52, 0x0f, 0x19, 0x06, 0x19, 0x19,
-	0x02, 0x0d, 0x0b, 0x0c, 0x00, 0x00, 0x00, 0x00,
-	/* Display page lengths in little endian order */
-	0x00, 0x08, /* Modes 0x00 and 0x01 */
-	0x00, 0x10, /* Modes 0x02 and 0x03 */
-	0x00, 0x40, /* Modes 0x04 and 0x05 */
-	0x00, 0x40, /* Modes 0x06 and 0x07 */
-	/* Number of columns for each mode */
-	40, 40, 80, 80, 40, 40, 80, 80,
-	/* CGA Mode register value for each mode */
-	0x2c, 0x28, 0x2d, 0x29, 0x2a, 0x2e, 0x1e, 0x29,
-	/* Padding */
-	0x00, 0x00, 0x00, 0x00
-	};
-    int i;
-
-    for (i = 0; i < sizeof(VideoParms); i++)
-	MEM_WB(pInt, i + (0x1000 - sizeof(VideoParms)), VideoParms[i]);
-    MEM_WW(pInt,  0x1d << 2, 0x1000 - sizeof(VideoParms));
-    MEM_WW(pInt, (0x1d << 2) + 2, 0);
-
-    MEM_WW(pInt,  0x10 << 2, 0xf065);
-    MEM_WW(pInt, (0x10 << 2) + 2, SYS_BIOS >> 4);
-    MEM_WW(pInt,  0x42 << 2, 0xf065);
-    MEM_WW(pInt, (0x42 << 2) + 2, SYS_BIOS >> 4);
-    MEM_WW(pInt,  0x6D << 2, 0xf065);
-    MEM_WW(pInt, (0x6D << 2) + 2, SYS_BIOS >> 4);
-}
-
-void
-set_return_trap(xf86Int10InfoPtr pInt)
-{
-    /*
-     * Here we set the exit condition:  We return when we encounter
-     * 'hlt' (=0xf4), which we locate at address 0x600 in x86 memory.
-     */
-    MEM_WB(pInt, 0x0600, 0xf4);
-
-    /*
-     * Allocate a segment for the stack
-     */
-    xf86Int10AllocPages(pInt, 1, &pInt->stackseg);
-}
-
-void *
-xf86HandleInt10Options(ScrnInfoPtr pScrn, int entityIndex)
-{
-    EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex);
-    OptionInfoPtr options = NULL;
-    
-    if (pEnt->device) {
-	pointer configOptions = NULL;
-
-	/* Check if xf86CollectOptions() has already been called */
-	if (((pEnt->index < 0) ||
-	    !pScrn ||
-	    !(configOptions = pScrn->options)) &&
-	    pEnt->device)
-	    configOptions = pEnt->device->options;
-
-	if (configOptions) {
-	    if (!(options = (OptionInfoPtr) malloc(sizeof(INT10Options))))
-		return NULL;
-	     
-	    (void)memcpy(options, INT10Options, sizeof(INT10Options));
-	    xf86ProcessOptions(pScrn->scrnIndex, configOptions, options);
-	}
-    }
-    free(pEnt);
-
-    return options;
-}
-
-Bool
-int10skip(const void* options)
-{
-    Bool noint10 = FALSE;
-
-    if (!options) return FALSE;
-    
-    xf86GetOptValBool(options, OPT_NOINT10, &noint10);
-    return noint10;
-}
-
-Bool
-int10_check_bios(int scrnIndex, int codeSeg, const unsigned char* vbiosMem)
-{
-    int size;
-
-    if ((codeSeg & 0x1f) ||	/* Not 512-byte aligned otherwise */
-	((codeSeg << 4) < V_BIOS) ||
-	((codeSeg << 4) >= SYS_SIZE))
-	return FALSE;
-
-    if (xf86IsPc98())
-	return FALSE;
-
-    if ((*vbiosMem != 0x55) || (*(vbiosMem+1) != 0xAA) || !*(vbiosMem+2))
-	return FALSE;
-
-    size = *(vbiosMem + 2) * 512;
-
-    if ((size + (codeSeg << 4)) > SYS_SIZE)
-	return FALSE;
-
-    if (bios_checksum(vbiosMem, size))
-	xf86DrvMsg(scrnIndex, X_INFO, "Bad V_BIOS checksum\n");
-
-    return TRUE;
-}
-
-Bool
-initPrimary(const void* options)
-{
-    Bool initPrimary = FALSE;
-
-    if (!options) return FALSE;
-    
-    xf86GetOptValBool(options, OPT_INIT_PRIMARY, &initPrimary);
-    return initPrimary;
-}
-
-BusType
-xf86int10GetBiosLocationType(const xf86Int10InfoPtr pInt)
-{
-    BusType location_type;
-
-    EntityInfoPtr pEnt = xf86GetEntityInfo(pInt->entityIndex);
-    location_type = pEnt->location.type;
-    free(pEnt);
-
-    return location_type;
-}
-
-
-#define CHECK_V_SEGMENT_RANGE(x)   \
-    if (((x) << 4) < V_BIOS) { \
-	xf86DrvMsg(pInt->scrnIndex, X_ERROR, \
-		   "V_BIOS address 0x%lx out of range\n", \
-		   (unsigned long)(x) << 4); \
-	return FALSE; \
-    }
-
-Bool
-xf86int10GetBiosSegment(xf86Int10InfoPtr pInt, void *base)
-{
-    unsigned i;
-    int cs = ~0;
-    int segments[4];
-
-    segments[0] = MEM_RW(pInt, (0x10 << 2) + 2);
-    segments[1] = MEM_RW(pInt, (0x42 << 2) + 2);
-    segments[2] = V_BIOS >> 4;
-    segments[3] = ~0;
-
-    for (i = 0; segments[i] != ~0; i++) {
-	unsigned char * vbiosMem;
-
-	cs = segments[i];
-
-	CHECK_V_SEGMENT_RANGE(cs);
-	vbiosMem = (unsigned char *)base + (cs << 4);
-	if (int10_check_bios(pInt->scrnIndex, cs, vbiosMem)) {
-	    break;
-	}
-    }
-
-    if (segments[i] == ~0) {
-	xf86DrvMsg(pInt->scrnIndex, X_ERROR, "No V_BIOS found\n");
-	return FALSE;
-    }
-
-    xf86DrvMsg(pInt->scrnIndex, X_INFO, "Primary V_BIOS segment is: 0x%lx\n",
-	    (unsigned long)cs);
-
-    pInt->BIOSseg = cs;
-    return TRUE;
-}
+/*
+ *                   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 <string.h>
+#include <stdlib.h>
+
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "compiler.h"
+#include "xf86Pci.h"
+#define _INT10_PRIVATE
+#if 0
+#include "int10Defines.h"
+#endif
+#include "xf86int10.h"
+
+#define REG pInt
+
+typedef enum {
+    OPT_NOINT10,
+    OPT_INIT_PRIMARY,
+} INT10Opts;
+
+static const OptionInfoRec INT10Options[] = {
+    {OPT_NOINT10,       "NoINT10",      OPTV_BOOLEAN,   {0},    FALSE },
+    {OPT_INIT_PRIMARY,  "InitPrimary",  OPTV_BOOLEAN,   {0},    FALSE },   
+    { -1,		NULL,		OPTV_NONE,	{0},	FALSE },
+};
+
+#ifdef DEBUG
+void
+dprint(unsigned long start, unsigned long size)
+{
+    int i,j;
+    char *c = (char *)start;
+
+    for (j = 0; j < (size >> 4); j++) {
+	char *d = c;
+	ErrorF("\n0x%lx:  ",(unsigned long)c);
+	for (i = 0; i<16; i++)
+	    ErrorF("%2.2x ",(unsigned char) (*(c++)));
+	c = d;
+	for (i = 0; i<16; i++) {
+	    ErrorF("%c",((((CARD8)(*c)) > 32) && (((CARD8)(*c)) < 128)) ?
+		   (unsigned char) (*(c)): '.');
+	    c++;
+	}
+    }
+    ErrorF("\n");
+}
+#endif
+
+#ifndef _PC
+/*
+ * here we are really paranoid about faking a "real"
+ * BIOS. Most of this information was pulled from
+ * dosemu.
+ */
+void
+setup_int_vect(xf86Int10InfoPtr pInt)
+{
+    int i;
+
+    /* let the int vects point to the SYS_BIOS seg */
+    for (i = 0; i < 0x80; i++) {
+	MEM_WW(pInt, i << 2, 0);
+	MEM_WW(pInt, (i << 2) + 2, SYS_BIOS >> 4);
+    }
+
+    reset_int_vect(pInt);
+    /* font tables default location (int 1F) */
+    MEM_WW(pInt,0x1f<<2,0xfa6e);
+
+    /* int 11 default location (Get Equipment Configuration) */
+    MEM_WW(pInt, 0x11 << 2, 0xf84d);
+    /* int 12 default location (Get Conventional Memory Size) */
+    MEM_WW(pInt, 0x12 << 2, 0xf841);
+    /* int 15 default location (I/O System Extensions) */
+    MEM_WW(pInt, 0x15 << 2, 0xf859);
+    /* int 1A default location (RTC, PCI and others) */
+    MEM_WW(pInt, 0x1a << 2, 0xff6e);
+    /* int 05 default location (Bound Exceeded) */
+    MEM_WW(pInt, 0x05 << 2, 0xff54);
+    /* int 08 default location (Double Fault) */
+    MEM_WW(pInt, 0x08 << 2, 0xfea5);
+    /* int 13 default location (Disk) */
+    MEM_WW(pInt, 0x13 << 2, 0xec59);
+    /* int 0E default location (Page Fault) */
+    MEM_WW(pInt, 0x0e << 2, 0xef57);
+    /* int 17 default location (Parallel Port) */
+    MEM_WW(pInt, 0x17 << 2, 0xefd2);
+    /* fdd table default location (int 1e) */
+    MEM_WW(pInt, 0x1e << 2, 0xefc7);
+
+    /* Set Equipment flag to VGA */
+    i = MEM_RB(pInt, 0x0410) & 0xCF;
+    MEM_WB(pInt, 0x0410, i);
+    /* XXX Perhaps setup more of the BDA here.  See also int42(0x00). */
+}
+#endif
+
+int
+setup_system_bios(void *base_addr)
+{
+    char *base = (char *) base_addr;
+
+    /*
+     * we trap the "industry standard entry points" to the BIOS
+     * and all other locations by filling them with "hlt"
+     * TODO: implement hlt-handler for these
+     */
+    memset(base, 0xf4, 0x10000);
+
+    /* set bios date */
+    strcpy(base + 0x0FFF5, "06/11/99");
+    /* set up eisa ident string */
+    strcpy(base + 0x0FFD9, "PCI_ISA");
+    /* write system model id for IBM-AT */
+    *((unsigned char *)(base + 0x0FFFE)) = 0xfc;
+
+    return 1;
+}
+
+void
+reset_int_vect(xf86Int10InfoPtr pInt)
+{
+    /*
+     * This table is normally located at 0xF000:0xF0A4.  However, int 0x42,
+     * function 0 (Mode Set) expects it (or a copy) somewhere in the bottom
+     * 64kB.  Note that because this data doesn't survive POST, int 0x42 should
+     * only be used during EGA/VGA BIOS initialisation.
+     */
+    static const CARD8 VideoParms[] = {
+	/* Timing for modes 0x00 & 0x01 */
+	0x38, 0x28, 0x2d, 0x0a, 0x1f, 0x06, 0x19, 0x1c,
+	0x02, 0x07, 0x06, 0x07, 0x00, 0x00, 0x00, 0x00,
+	/* Timing for modes 0x02 & 0x03 */
+	0x71, 0x50, 0x5a, 0x0a, 0x1f, 0x06, 0x19, 0x1c,
+	0x02, 0x07, 0x06, 0x07, 0x00, 0x00, 0x00, 0x00,
+	/* Timing for modes 0x04, 0x05 & 0x06 */
+	0x38, 0x28, 0x2d, 0x0a, 0x7f, 0x06, 0x64, 0x70,
+	0x02, 0x01, 0x06, 0x07, 0x00, 0x00, 0x00, 0x00,
+	/* Timing for mode 0x07 */
+	0x61, 0x50, 0x52, 0x0f, 0x19, 0x06, 0x19, 0x19,
+	0x02, 0x0d, 0x0b, 0x0c, 0x00, 0x00, 0x00, 0x00,
+	/* Display page lengths in little endian order */
+	0x00, 0x08, /* Modes 0x00 and 0x01 */
+	0x00, 0x10, /* Modes 0x02 and 0x03 */
+	0x00, 0x40, /* Modes 0x04 and 0x05 */
+	0x00, 0x40, /* Modes 0x06 and 0x07 */
+	/* Number of columns for each mode */
+	40, 40, 80, 80, 40, 40, 80, 80,
+	/* CGA Mode register value for each mode */
+	0x2c, 0x28, 0x2d, 0x29, 0x2a, 0x2e, 0x1e, 0x29,
+	/* Padding */
+	0x00, 0x00, 0x00, 0x00
+	};
+    int i;
+
+    for (i = 0; i < sizeof(VideoParms); i++)
+	MEM_WB(pInt, i + (0x1000 - sizeof(VideoParms)), VideoParms[i]);
+    MEM_WW(pInt,  0x1d << 2, 0x1000 - sizeof(VideoParms));
+    MEM_WW(pInt, (0x1d << 2) + 2, 0);
+
+    MEM_WW(pInt,  0x10 << 2, 0xf065);
+    MEM_WW(pInt, (0x10 << 2) + 2, SYS_BIOS >> 4);
+    MEM_WW(pInt,  0x42 << 2, 0xf065);
+    MEM_WW(pInt, (0x42 << 2) + 2, SYS_BIOS >> 4);
+    MEM_WW(pInt,  0x6D << 2, 0xf065);
+    MEM_WW(pInt, (0x6D << 2) + 2, SYS_BIOS >> 4);
+}
+
+void
+set_return_trap(xf86Int10InfoPtr pInt)
+{
+    /*
+     * Here we set the exit condition:  We return when we encounter
+     * 'hlt' (=0xf4), which we locate at address 0x600 in x86 memory.
+     */
+    MEM_WB(pInt, 0x0600, 0xf4);
+
+    /*
+     * Allocate a segment for the stack
+     */
+    xf86Int10AllocPages(pInt, 1, &pInt->stackseg);
+}
+
+void *
+xf86HandleInt10Options(ScrnInfoPtr pScrn, int entityIndex)
+{
+    EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex);
+    OptionInfoPtr options = NULL;
+    
+    if (pEnt->device) {
+	pointer configOptions = NULL;
+
+	/* Check if xf86CollectOptions() has already been called */
+	if (((pEnt->index < 0) ||
+	    !pScrn ||
+	    !(configOptions = pScrn->options)) &&
+	    pEnt->device)
+	    configOptions = pEnt->device->options;
+
+	if (configOptions) {
+	    if (!(options = (OptionInfoPtr) malloc(sizeof(INT10Options))))
+		return NULL;
+	     
+	    (void)memcpy(options, INT10Options, sizeof(INT10Options));
+	    xf86ProcessOptions(pScrn->scrnIndex, configOptions, options);
+	}
+    }
+    free(pEnt);
+
+    return options;
+}
+
+Bool
+int10skip(const void* options)
+{
+    Bool noint10 = FALSE;
+
+    if (!options) return FALSE;
+    
+    xf86GetOptValBool(options, OPT_NOINT10, &noint10);
+    return noint10;
+}
+
+Bool
+int10_check_bios(int scrnIndex, int codeSeg, const unsigned char* vbiosMem)
+{
+    int size;
+
+    if ((codeSeg & 0x1f) ||	/* Not 512-byte aligned otherwise */
+	((codeSeg << 4) < V_BIOS) ||
+	((codeSeg << 4) >= SYS_SIZE))
+	return FALSE;
+
+    if ((*vbiosMem != 0x55) || (*(vbiosMem+1) != 0xAA) || !*(vbiosMem+2))
+	return FALSE;
+
+    size = *(vbiosMem + 2) * 512;
+
+    if ((size + (codeSeg << 4)) > SYS_SIZE)
+	return FALSE;
+
+    if (bios_checksum(vbiosMem, size))
+	xf86DrvMsg(scrnIndex, X_INFO, "Bad V_BIOS checksum\n");
+
+    return TRUE;
+}
+
+Bool
+initPrimary(const void* options)
+{
+    Bool initPrimary = FALSE;
+
+    if (!options) return FALSE;
+    
+    xf86GetOptValBool(options, OPT_INIT_PRIMARY, &initPrimary);
+    return initPrimary;
+}
+
+BusType
+xf86int10GetBiosLocationType(const xf86Int10InfoPtr pInt)
+{
+    BusType location_type;
+
+    EntityInfoPtr pEnt = xf86GetEntityInfo(pInt->entityIndex);
+    location_type = pEnt->location.type;
+    free(pEnt);
+
+    return location_type;
+}
+
+
+#define CHECK_V_SEGMENT_RANGE(x)   \
+    if (((x) << 4) < V_BIOS) { \
+	xf86DrvMsg(pInt->scrnIndex, X_ERROR, \
+		   "V_BIOS address 0x%lx out of range\n", \
+		   (unsigned long)(x) << 4); \
+	return FALSE; \
+    }
+
+Bool
+xf86int10GetBiosSegment(xf86Int10InfoPtr pInt, void *base)
+{
+    unsigned i;
+    int cs = ~0;
+    int segments[4];
+
+    segments[0] = MEM_RW(pInt, (0x10 << 2) + 2);
+    segments[1] = MEM_RW(pInt, (0x42 << 2) + 2);
+    segments[2] = V_BIOS >> 4;
+    segments[3] = ~0;
+
+    for (i = 0; segments[i] != ~0; i++) {
+	unsigned char * vbiosMem;
+
+	cs = segments[i];
+
+	CHECK_V_SEGMENT_RANGE(cs);
+	vbiosMem = (unsigned char *)base + (cs << 4);
+	if (int10_check_bios(pInt->scrnIndex, cs, vbiosMem)) {
+	    break;
+	}
+    }
+
+    if (segments[i] == ~0) {
+	xf86DrvMsg(pInt->scrnIndex, X_ERROR, "No V_BIOS found\n");
+	return FALSE;
+    }
+
+    xf86DrvMsg(pInt->scrnIndex, X_INFO, "Primary V_BIOS segment is: 0x%lx\n",
+	    (unsigned long)cs);
+
+    pInt->BIOSseg = cs;
+    return TRUE;
+}