| 33,6 → 33,7 |
|---|
| #include <arch/byteorder.h> |
| #include <arch/mm/frame.h> |
| #include <mm/frame.h> |
| #include <interrupt.h> |
| |
| /* This is a good joke, SGI HAS different types than NT bioses... */ |
| /* Here is the SGI type */ |
| 97,26 → 98,9 |
|---|
| static arc_sbp *sbp = (arc_sbp *)PA2KA(0x1000); |
| static arc_func_vector_t *arc_entry; |
| |
| static void _arc_putchar(char ch); |
| |
| /** Initialize ARC structure |
| * |
| * @return 0 - ARC OK, -1 - ARC does not exist |
| */ |
| int arc_init(void) |
| { |
| if (sbp->signature != ARC_MAGIC) { |
| sbp = NULL; |
| return -1; |
| } |
| arc_entry = sbp->firmwarevector; |
| static void arc_putchar(char ch); |
| |
| arc_putchar('A'); |
| arc_putchar('R'); |
| arc_putchar('C'); |
| arc_putchar('\n'); |
| } |
| |
| /** Return true if ARC is available */ |
| int arc_enabled(void) |
| { |
| 129,8 → 113,8 |
|---|
| |
| printf("%s: ",ctypes[c->type]); |
| for (i=0;i < c->identifier_len;i++) |
| putchar(c->identifier[i]); |
| putchar('\n'); |
| arc_putchar(c->identifier[i]); |
| arc_putchar('\n'); |
| } |
| |
| void arc_print_devices(void) |
| 174,7 → 158,7 |
|---|
| } |
| |
| /** Print charactor to console */ |
| void arc_putchar(char ch) |
| static void arc_putchar(char ch) |
| { |
| __u32 cnt; |
| ipl_t ipl; |
| 186,25 → 170,89 |
|---|
| |
| } |
| |
| /** Initialize ARC structure |
| * |
| * @return 0 - ARC OK, -1 - ARC does not exist |
| */ |
| int arc_init(void) |
| { |
| if (sbp->signature != ARC_MAGIC) { |
| sbp = NULL; |
| return -1; |
| } |
| arc_entry = sbp->firmwarevector; |
| |
| arc_putchar('A'); |
| arc_putchar('R'); |
| arc_putchar('C'); |
| arc_putchar('\n'); |
| } |
| |
| static int kbd_polling_enabled; |
| static chardev_t console; |
| |
| /** Try to get character, return character or -1 if not available */ |
| int arc_getchar(void) |
| static void arc_keyboard_poll(void) |
| { |
| char ch; |
| __u32 count; |
| long result; |
| |
| if (! kbd_polling_enabled) |
| return; |
| |
| if (arc_entry->getreadstatus(0)) |
| return -1; |
| return; |
| result = arc_entry->read(0, &ch, 1, &count); |
| if (result || count!=1) { |
| cpu_halt(); |
| return -1; |
| return; |
| } |
| if (ch == '\r') |
| return '\n'; |
| return ch; |
| ch = '\n'; |
| |
| chardev_push_character(&console, ch); |
| } |
| |
| static void arc_write(chardev_t *dev, const char ch) |
| { |
| arc_putchar(ch); |
| } |
| |
| static void arc_enable(chardev_t *dev) |
| { |
| kbd_polling_enabled = 1; |
| } |
| |
| static void arc_disable(chardev_t *dev) |
| { |
| kbd_polling_enabled = 0; |
| } |
| |
| static chardev_operations_t arc_ops = { |
| .resume = arc_enable, |
| .suspend = arc_disable, |
| .write = arc_write |
| }; |
| |
| iroutine old_timer; |
| /** Do polling on timer interrupt */ |
| static void timer_replace(int n, void *stack) |
| { |
| arc_keyboard_poll(); |
| old_timer(n, stack); |
| arc_keyboard_poll(); |
| } |
| |
| |
| chardev_t * arc_console(void) |
| { |
| kbd_polling_enabled = 1; |
| |
| chardev_initialize("arc_console", &console, &arc_ops); |
| old_timer = exc_register(TIMER_IRQ, "arc_kb_poll", timer_replace); |
| return &console; |
| } |
| |
| /* Initialize frame zones from ARC firmware. |
| * In the future we may use even the FirmwareTemporary regions, |
| * currently we use the FreeMemory (what about the LoadedProgram?) |