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authorKristian Høgsberg <[email protected]>2010-02-25 15:55:00 -0500
committerKristian Høgsberg <[email protected]>2010-02-25 17:40:10 -0500
commitb5c3199afe0d90787223cb57c35ff22e38b3c920 (patch)
tree8948e0043b3bb545bbdf8643926b7661be20fb9f /src/mesa/drivers/dos/dpmi.c
parent97972244d5254cb2862325f8fe03db0a82a8041a (diff)
Remove dos driver
Diffstat (limited to 'src/mesa/drivers/dos/dpmi.c')
-rw-r--r--src/mesa/drivers/dos/dpmi.c166
1 files changed, 0 insertions, 166 deletions
diff --git a/src/mesa/drivers/dos/dpmi.c b/src/mesa/drivers/dos/dpmi.c
deleted file mode 100644
index bd33b8856cf..00000000000
--- a/src/mesa/drivers/dos/dpmi.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 4.0
- *
- * Copyright (C) 1999 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/*
- * DOS/DJGPP device driver for Mesa
- *
- * Author: Daniel Borca
- * Email : [email protected]
- * Web : http://www.geocities.com/dborca
- */
-
-
-#include <dpmi.h>
-
-#include "internal.h"
-
-
-#ifndef MAX
-#define MAX(x, y) (((x) < (y)) ? (y) : (x))
-#endif
-
-
-/* _create_linear_mapping:
- * Maps a physical address range into linear memory.
- */
-int
-_create_linear_mapping (unsigned long *linear, unsigned long physaddr, int size)
-{
- __dpmi_meminfo meminfo;
-
- if (physaddr >= 0x100000) {
- /* map into linear memory */
- meminfo.address = physaddr;
- meminfo.size = size;
- if (__dpmi_physical_address_mapping(&meminfo) != 0) {
- return -1;
- }
-
- *linear = meminfo.address;
- } else {
- /* exploit 1 -> 1 physical to linear mapping in low megabyte */
- *linear = physaddr;
- }
-
- return 0;
-}
-
-
-/* _remove_linear_mapping:
- * Frees the DPMI resources being used to map a linear address range.
- */
-void
-_remove_linear_mapping (unsigned long *linear)
-{
- __dpmi_meminfo meminfo;
-
- if (*linear) {
- if (*linear >= 0x100000) {
- meminfo.address = *linear;
- __dpmi_free_physical_address_mapping(&meminfo);
- }
-
- *linear = 0;
- }
-}
-
-
-/* _create_selector:
- * Allocates a selector to access a region of linear memory.
- */
-int
-_create_selector (int *segment, unsigned long base, int size)
-{
- /* allocate an ldt descriptor */
- if ((*segment=__dpmi_allocate_ldt_descriptors(1)) < 0) {
- *segment = 0;
- return -1;
- }
-
- /* create the linear mapping */
- if (_create_linear_mapping(&base, base, size)) {
- __dpmi_free_ldt_descriptor(*segment);
- *segment = 0;
- return -1;
- }
-
- /* set the descriptor base and limit */
- __dpmi_set_segment_base_address(*segment, base);
- __dpmi_set_segment_limit(*segment, MAX(size-1, 0xFFFF));
-
- return 0;
-}
-
-
-/* _remove_selector:
- * Frees a DPMI segment selector.
- */
-void
-_remove_selector (int *segment)
-{
- if (*segment) {
- unsigned long base;
- __dpmi_get_segment_base_address(*segment, &base);
- _remove_linear_mapping(&base);
- __dpmi_free_ldt_descriptor(*segment);
- *segment = 0;
- }
-}
-
-
-/* Desc: retrieve CPU MMX capability
- *
- * In : -
- * Out : FALSE if CPU cannot do MMX
- *
- * Note: -
- */
-int
-_can_mmx (void)
-{
-#ifdef USE_MMX_ASM
- int x86_cpu_features = 0;
- __asm("\n\
- pushfl \n\
- popl %%eax \n\
- movl %%eax, %%ecx \n\
- xorl $0x200000, %%eax\n\
- pushl %%eax \n\
- popfl \n\
- pushfl \n\
- popl %%eax \n\
- pushl %%ecx \n\
- popfl \n\
- xorl %%ecx, %%eax \n\
- jz 0f \n\
- movl $1, %%eax \n\
- cpuid \n\
- movl %%edx, %0 \n\
- 0: \n\
- ":"=g"(x86_cpu_features)::"%eax", "%ebx", "%ecx", "%edx");
- return (x86_cpu_features & 0x00800000);
-#else
- return 0;
-#endif
-}