diff options
Diffstat (limited to 'payloads/libpayload/drivers')
| -rw-r--r-- | payloads/libpayload/drivers/video/vga.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/video/vga.c b/payloads/libpayload/drivers/video/vga.c index 37acde7637..5858e95c32 100644 --- a/payloads/libpayload/drivers/video/vga.c +++ b/payloads/libpayload/drivers/video/vga.c @@ -123,8 +123,22 @@ static void vga_putc(u8 row, u8 col, unsigned int c) *ptr = (u16) (c & 0xFFFF); } +static void vga_init_cursor(void) +{ + u8 val; + +#define CURSOR_MSL 0x09 /* cursor maximum scan line */ +#define CURSOR_START 0x0A /* cursor start */ +#define CURSOR_END 0x0B /* cursor end */ + + val = crtc_read(CURSOR_MSL) & 0x1f; + crtc_write(0, CURSOR_START); + crtc_write(val - 2, CURSOR_END); +} + static int vga_init(void) { + vga_init_cursor(); return 0; } |