/*
* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the
+ * License may not be used to create, or enable the creation or
+ * redistribution of, unlawful or unlicensed copies of an Apple operating
+ * system, or to circumvent, violate, or enable the circumvention or
+ * violation of, any terms of an Apple operating system software license
+ * agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
* file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
* limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
*/
/*
* @OSF_FREE_COPYRIGHT@
#include <vm/pmap.h>
#include <vm/vm_kern.h>
+#include <machine/io_map_entries.h>
#include <pexpert/pexpert.h>
{
spl_t s;
+ if (!gc_buffer_size) return;
+
s = splhigh();
simple_lock(&gc_buffer_lock);
{
spl_t s;
+ if (!gc_buffer_size) return;
+
s = splhigh();
simple_lock(&gc_buffer_lock);
{
spl_t s;
+ if (!gc_buffer_size) return;
+
s = splhigh();
simple_lock(&gc_buffer_lock);
#ifdef __i386__
#include <console/i386/text_console.h>
+#include <pexpert/i386/boot.h>
#endif /* __i386__ */
static boolean_t gc_acquired = FALSE;
static boolean_t gc_graphics_boot = FALSE;
-static unsigned int lastVideoPhys = 0;
-static unsigned int lastVideoVirt = 0;
-static unsigned int lastVideoSize = 0;
+static unsigned int lastVideoPhys = 0;
+static unsigned int lastVideoVirt = 0;
+static unsigned int lastVideoSize = 0;
+static boolean_t lastVideoMapped = FALSE;
void
initialize_screen(Boot_Video * boot_vinfo, unsigned int op)
/*
* First, check if we are changing the size and/or location of the framebuffer
*/
-
vinfo.v_name[0] = 0;
vinfo.v_width = boot_vinfo->v_width;
vinfo.v_height = boot_vinfo->v_height;
vinfo.v_depth = boot_vinfo->v_depth;
vinfo.v_rowbytes = boot_vinfo->v_rowBytes;
vinfo.v_physaddr = boot_vinfo->v_baseAddr; /* Get the physical address */
+#ifdef __i386__
+ vinfo.v_type = boot_vinfo->v_display;
+#else
+ vinfo.v_type = 0;
+#endif
+
- kprintf("initialize_screen: b=%08X, w=%08X, h=%08X, r=%08X\n", /* (BRINGUP) */
- vinfo.v_physaddr, vinfo.v_width, vinfo.v_height, vinfo.v_rowbytes); /* (BRINGUP) */
+ kprintf("initialize_screen: b=%08X, w=%08X, h=%08X, r=%08X, d=%08X\n", /* (BRINGUP) */
+ vinfo.v_physaddr, vinfo.v_width, vinfo.v_height, vinfo.v_rowbytes, vinfo.v_type); /* (BRINGUP) */
+
+#ifdef __i386__
+ if ( (vinfo.v_type == VGA_TEXT_MODE) )
+ {
+ if (vinfo.v_physaddr == 0) {
+ vinfo.v_physaddr = 0xb8000;
+ vinfo.v_width = 80;
+ vinfo.v_height = 25;
+ vinfo.v_depth = 8;
+ vinfo.v_rowbytes = 0x8000;
+ }
+ }
+#endif /* __i386__ */
if (!vinfo.v_physaddr) /* Check to see if we have a framebuffer */
{
vinfo.v_physaddr = (fbppage << 12) | (boot_vinfo->v_baseAddr & PAGE_MASK); /* Get the physical address */
}
-#ifdef __i386__
- vinfo.v_type = boot_vinfo->v_display;
-#else
- vinfo.v_type = 0;
-#endif
-
fbsize = round_page_32(vinfo.v_height * vinfo.v_rowbytes); /* Remember size */
if ((lastVideoPhys != vinfo.v_physaddr) || (fbsize > lastVideoSize)) /* Did framebuffer change location or get bigger? */
{
- newVideoVirt = io_map_spec((vm_offset_t)vinfo.v_physaddr, fbsize); /* Allocate address space for framebuffer */
+ unsigned int
+#if FALSE
+ flags = (vinfo.v_type == VGA_TEXT_MODE) ? VM_WIMG_IO : VM_WIMG_WCOMB;
+#else
+ flags = VM_WIMG_IO;
+#endif
+ newVideoVirt = io_map_spec((vm_offset_t)vinfo.v_physaddr, fbsize, flags); /* Allocate address space for framebuffer */
if (lastVideoVirt) /* Was the framebuffer mapped before? */
{
- pmap_remove(kernel_pmap, trunc_page_64(lastVideoVirt),
- round_page_64(lastVideoVirt + lastVideoSize)); /* Toss mappings */
-
- if(lastVideoVirt <= vm_last_addr) /* Was this not a special pre-VM mapping? */
+#if FALSE
+ if(lastVideoMapped) /* Was this not a special pre-VM mapping? */
+#endif
+ {
+ pmap_remove(kernel_pmap, trunc_page_64(lastVideoVirt),
+ round_page_64(lastVideoVirt + lastVideoSize)); /* Toss mappings */
+ }
+ if(lastVideoMapped) /* Was this not a special pre-VM mapping? */
{
kmem_free(kernel_map, lastVideoVirt, lastVideoSize); /* Toss kernel addresses */
}
}
-
lastVideoPhys = vinfo.v_physaddr; /* Remember the framebuffer address */
lastVideoSize = fbsize; /* Remember the size */
lastVideoVirt = newVideoVirt; /* Remember the virtual framebuffer address */
+ lastVideoMapped = (NULL != kernel_map);
}
}
vinfo.v_baseaddr = lastVideoVirt; /* Set the new framebuffer address */
#ifdef __i386__
- if ( (vinfo.v_type == TEXT_MODE) )
+ if ( (vinfo.v_type == VGA_TEXT_MODE) )
{
// Text mode setup by the booter.
projects / apple / xnu.git / blobdiff