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); |
} |