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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #include <arch/ega.h> |
29 | #include <arch/drivers/ega.h> |
30 | #include <putchar.h> |
30 | #include <putchar.h> |
31 | #include <mm/page.h> |
31 | #include <mm/page.h> |
32 | #include <mm/as.h> |
32 | #include <mm/as.h> |
33 | #include <arch/mm/page.h> |
33 | #include <arch/mm/page.h> |
34 | #include <synch/spinlock.h> |
34 | #include <synch/spinlock.h> |
35 | #include <arch/types.h> |
35 | #include <arch/types.h> |
36 | #include <arch/asm.h> |
36 | #include <arch/asm.h> |
37 | #include <memstr.h> |
37 | #include <memstr.h> |
38 | #include <console/chardev.h> |
38 | #include <console/chardev.h> |
39 | #include <console/console.h> |
39 | #include <console/console.h> |
- | 40 | #include <sysinfo/sysinfo.h> |
|
40 | 41 | ||
41 | /* |
42 | /* |
42 | * The EGA driver. |
43 | * The EGA driver. |
43 | * Simple and short. Function for displaying characters and "scrolling". |
44 | * Simple and short. Function for displaying characters and "scrolling". |
44 | */ |
45 | */ |
45 | 46 | ||
46 | SPINLOCK_INITIALIZE(egalock); |
47 | SPINLOCK_INITIALIZE(egalock); |
47 | static __u32 ega_cursor; |
48 | static __u32 ega_cursor; |
- | 49 | static __u8 *videoram; |
|
48 | 50 | ||
49 | static void ega_putchar(chardev_t *d, const char ch); |
51 | static void ega_putchar(chardev_t *d, const char ch); |
50 | 52 | ||
51 | chardev_t ega_console; |
53 | chardev_t ega_console; |
52 | static chardev_operations_t ega_ops = { |
54 | static chardev_operations_t ega_ops = { |
Line 57... | Line 59... | ||
57 | 59 | ||
58 | void ega_init(void) |
60 | void ega_init(void) |
59 | { |
61 | { |
60 | __u8 hi, lo; |
62 | __u8 hi, lo; |
61 | 63 | ||
62 | page_mapping_insert(AS_KERNEL, PA2KA(VIDEORAM), VIDEORAM, PAGE_NOT_CACHEABLE); |
64 | videoram = (__u8 *) hw_map(VIDEORAM, SCREEN * 2); |
63 | outb(0x3d4,0xe); |
65 | outb(0x3d4, 0xe); |
64 | hi = inb(0x3d5); |
66 | hi = inb(0x3d5); |
65 | outb(0x3d4,0xf); |
67 | outb(0x3d4, 0xf); |
66 | lo = inb(0x3d5); |
68 | lo = inb(0x3d5); |
67 | ega_cursor = (hi<<8)|lo; |
69 | ega_cursor = (hi << 8) | lo; |
68 | 70 | ||
69 | chardev_initialize("ega_out", &ega_console, &ega_ops); |
71 | chardev_initialize("ega_out", &ega_console, &ega_ops); |
70 | stdout = &ega_console; |
72 | stdout = &ega_console; |
71 | 73 | ||
- | 74 | sysinfo_set_item_val("fb", NULL, true); |
|
- | 75 | sysinfo_set_item_val("fb.kind", NULL, 2); |
|
- | 76 | sysinfo_set_item_val("fb.width", NULL, ROW); |
|
- | 77 | sysinfo_set_item_val("fb.height", NULL, ROWS); |
|
- | 78 | sysinfo_set_item_val("fb.address.physical", NULL, VIDEORAM); |
|
- | 79 | ||
72 | #ifndef CONFIG_FB |
80 | #ifndef CONFIG_FB |
73 | putchar('\n'); |
81 | putchar('\n'); |
74 | #endif |
82 | #endif |
75 | } |
83 | } |
76 | 84 | ||
77 | static void ega_display_char(char ch) |
85 | static void ega_display_char(char ch) |
78 | { |
86 | { |
79 | __u8 *vram = (__u8 *) PA2KA(VIDEORAM); |
- | |
80 | - | ||
81 | vram[ega_cursor*2] = ch; |
87 | videoram[ega_cursor * 2] = ch; |
82 | } |
88 | } |
83 | 89 | ||
84 | /* |
90 | /* |
85 | * This function takes care of scrolling. |
91 | * This function takes care of scrolling. |
86 | */ |
92 | */ |
87 | static void ega_check_cursor(void) |
93 | static void ega_check_cursor(void) |
88 | { |
94 | { |
89 | if (ega_cursor < SCREEN) |
95 | if (ega_cursor < SCREEN) |
90 | return; |
96 | return; |
91 | 97 | ||
92 | memcpy((void *)PA2KA(VIDEORAM), (void *)(PA2KA(VIDEORAM) + ROW*2), (SCREEN - ROW)*2); |
98 | memcpy((void *) videoram, (void *) (videoram + ROW * 2), (SCREEN - ROW) * 2); |
93 | memsetw(PA2KA(VIDEORAM) + (SCREEN - ROW)*2, ROW, 0x0720); |
99 | memsetw((__address) (videoram + (SCREEN - ROW) * 2), ROW, 0x0720); |
94 | ega_cursor = ega_cursor - ROW; |
100 | ega_cursor = ega_cursor - ROW; |
95 | } |
101 | } |
96 | 102 | ||
97 | void ega_putchar(chardev_t *d, const char ch) |
103 | void ega_putchar(chardev_t *d, const char ch) |
98 | { |
104 | { |