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Ignore whitespace Rev 1472 → Rev 1473

/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);
 
58,17 → 60,23
void ega_init(void)
{
__u8 hi, lo;
 
page_mapping_insert(AS_KERNEL, PA2KA(VIDEORAM), VIDEORAM, PAGE_NOT_CACHEABLE);
outb(0x3d4,0xe);
videoram = (__u8 *) hw_map(VIDEORAM, SCREEN * 2);
outb(0x3d4, 0xe);
hi = inb(0x3d5);
outb(0x3d4,0xf);
outb(0x3d4, 0xf);
lo = inb(0x3d5);
ega_cursor = (hi<<8)|lo;
ega_cursor = (hi << 8) | lo;
 
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;
}
 
102,21 → 108,21
spinlock_lock(&egalock);
 
switch (ch) {
case '\n':
ega_cursor = (ega_cursor + ROW) - ega_cursor % ROW;
break;
case '\t':
ega_cursor = (ega_cursor + 8) - ega_cursor % 8;
break;
case '\b':
if (ega_cursor % ROW)
ega_cursor--;
break;
default:
ega_display_char(ch);
ega_cursor++;
break;
}
case '\n':
ega_cursor = (ega_cursor + ROW) - ega_cursor % ROW;
break;
case '\t':
ega_cursor = (ega_cursor + 8) - ega_cursor % 8;
break;
case '\b':
if (ega_cursor % ROW)
ega_cursor--;
break;
default:
ega_display_char(ch);
ega_cursor++;
break;
}
ega_check_cursor();
ega_move_cursor();
 
126,8 → 132,8
 
void ega_move_cursor(void)
{
outb(0x3d4,0xe);
outb(0x3d5,(ega_cursor>>8)&0xff);
outb(0x3d4,0xf);
outb(0x3d5,ega_cursor&0xff);
outb(0x3d4, 0xe);
outb(0x3d5, (ega_cursor >> 8) & 0xff);
outb(0x3d4, 0xf);
outb(0x3d5, ega_cursor & 0xff);
}