/kernel/trunk/arch/ia32/include/ega.h |
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File deleted |
/kernel/trunk/arch/ia32/include/drivers/ega.h |
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0,0 → 1,39 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __EGA_H__ |
#define __EGA_H__ |
#define VIDEORAM 0xb8000 |
#define ROW 80 |
#define ROWS 25 |
#define SCREEN (ROW * ROWS) |
extern void ega_init(void); |
#endif |
/kernel/trunk/arch/ia32/src/ia32.c |
---|
33,7 → 33,7 |
#include <arch/pm.h> |
#include <arch/ega.h> |
#include <arch/drivers/ega.h> |
#include <arch/vesa.h> |
#include <genarch/i8042/i8042.h> |
#include <arch/i8254.h> |
/kernel/trunk/arch/ia32/src/drivers/vesa.c |
---|
41,7 → 41,6 |
#include <typedefs.h> |
#include <memstr.h> |
#include <bitops.h> |
#include <sysinfo/sysinfo.h> |
__u32 vesa_ph_addr; |
__u16 vesa_width; |
/kernel/trunk/arch/ia32/src/drivers/ega.c |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <arch/ega.h> |
#include <arch/drivers/ega.h> |
#include <putchar.h> |
#include <mm/page.h> |
#include <mm/as.h> |
37,6 → 37,7 |
#include <memstr.h> |
#include <console/chardev.h> |
#include <console/console.h> |
#include <sysinfo/sysinfo.h> |
/* |
* The EGA driver. |
45,6 → 46,7 |
SPINLOCK_INITIALIZE(egalock); |
static __u32 ega_cursor; |
static __u8 *videoram; |
static void ega_putchar(chardev_t *d, const char ch); |
59,7 → 61,7 |
{ |
__u8 hi, lo; |
page_mapping_insert(AS_KERNEL, PA2KA(VIDEORAM), VIDEORAM, PAGE_NOT_CACHEABLE); |
videoram = (__u8 *) hw_map(VIDEORAM, SCREEN * 2); |
outb(0x3d4,0xe); |
hi = inb(0x3d5); |
outb(0x3d4,0xf); |
69,6 → 71,12 |
chardev_initialize("ega_out", &ega_console, &ega_ops); |
stdout = &ega_console; |
sysinfo_set_item_val("fb", NULL, true); |
sysinfo_set_item_val("fb.kind", NULL, 2); |
sysinfo_set_item_val("fb.width", NULL, ROW); |
sysinfo_set_item_val("fb.height", NULL, ROWS); |
sysinfo_set_item_val("fb.address.physical", NULL, VIDEORAM); |
#ifndef CONFIG_FB |
putchar('\n'); |
#endif |
76,9 → 84,7 |
static void ega_display_char(char ch) |
{ |
__u8 *vram = (__u8 *) PA2KA(VIDEORAM); |
vram[ega_cursor*2] = ch; |
videoram[ega_cursor * 2] = ch; |
} |
/* |
89,8 → 95,8 |
if (ega_cursor < SCREEN) |
return; |
memcpy((void *)PA2KA(VIDEORAM), (void *)(PA2KA(VIDEORAM) + ROW*2), (SCREEN - ROW)*2); |
memsetw(PA2KA(VIDEORAM) + (SCREEN - ROW)*2, ROW, 0x0720); |
memcpy((void *) videoram, (void *) (videoram + ROW * 2), (SCREEN - ROW) * 2); |
memsetw((__address) (videoram + (SCREEN - ROW) * 2), ROW, 0x0720); |
ega_cursor = ega_cursor - ROW; |
} |