35,21 → 35,37 |
#include <synch/spinlock.h> |
#include <synch/waitq.h> |
#include <typedefs.h> |
#include <arch/drivers/arc.h> |
|
static void keyboard_enable(void); |
static void keyboard_disable(void); |
static void arc_kb_disable(void); |
static void arc_kb_enable(void); |
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static chardev_t kbrd; |
static chardev_operations_t ops = { |
|
static chardev_operations_t arc_ops = { |
.resume = arc_kb_enable, |
.suspend = arc_kb_disable |
}; |
|
static chardev_operations_t msim_ops = { |
.resume = keyboard_enable, |
.suspend = keyboard_disable |
}; |
|
static int arc_kb_enabled; |
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/** Initialize keyboard subsystem. */ |
void keyboard_init(void) |
{ |
cp0_unmask_int(KEYBOARD_IRQ); |
chardev_initialize(&kbrd, &ops); |
if (arc_enabled()) { |
chardev_initialize(&kbrd, &arc_ops); |
arc_kb_enabled = 1; |
} else { |
cp0_unmask_int(KEYBOARD_IRQ); |
chardev_initialize(&kbrd, &msim_ops); |
} |
stdin = &kbrd; |
} |
|
73,3 → 89,27 |
{ |
cp0_mask_int(KEYBOARD_IRQ); |
} |
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/*****************************/ |
/* Arc keyboard */ |
|
void keyboard_poll(void) |
{ |
int ch; |
|
if (!arc_enabled() || !arc_kb_enabled) |
return; |
while ((ch = arc_getchar()) != -1) |
chardev_push_character(&kbrd, ch); |
} |
|
static void arc_kb_enable(void) |
{ |
arc_kb_enabled = 1; |
} |
|
/* Called from getc(). */ |
static void arc_kb_disable(void) |
{ |
arc_kb_enabled = 0; |
} |