diff options
| author | Stefan Reinauer <stepan@coresystems.de> | 2008-09-26 18:40:06 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2008-09-26 18:40:06 +0000 |
| commit | bc9cb27a8e352a42dbfe2a404e8640e8aff47ad3 (patch) | |
| tree | bbf9b1f5cf85932d640cfa658dbc0d7e0370f16f /payloads/libpayload/drivers/video/vga.c | |
| parent | 71c006fe9b1bcc74e1000c7869ec41cf3dc80894 (diff) | |
Use a block cursor on VGA console :-)
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Jordan Crouse <jordan.crouse@amd.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3607 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'payloads/libpayload/drivers/video/vga.c')
| -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; } |