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input: implement EVIOCGKEY

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Matheus
2026-05-14 22:48:40 -03:00
parent 6c36dde883
commit bbdb3f7f0d
3 changed files with 13 additions and 4 deletions
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kernel-src/include/kernel/input.h
+1
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@@ -276,6 +276,7 @@ struct input_device {
bitmap_t ev_bits; bitmap_t ev_bits;
bitmap_t syn_bits; bitmap_t syn_bits;
bitmap_t key_bits; bitmap_t key_bits;
bitmap_t key_state;
bitmap_t rel_bits; bitmap_t rel_bits;
bitmap_t abs_bits; bitmap_t abs_bits;
input_absinfo_t abs_info[INPUT_ABS_CNT]; input_absinfo_t abs_info[INPUT_ABS_CNT];
kernel-src/io/input.c
+11 -3
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@@ -303,9 +303,9 @@ static int input_listener_ioctl(int minor, unsigned long request, void *arg, int
return USERCOPY_POSSIBLY_TO_USER(arg, &lis->device->uniq, min(size, sizeof(lis->device->uniq))); return USERCOPY_POSSIBLY_TO_USER(arg, &lis->device->uniq, min(size, sizeof(lis->device->uniq)));
} else if (number == EVIOCGPROP) { } else if (number == EVIOCGPROP) {
return copy_bitmap_to_user(&lis->device->prop_bits, arg, size); return copy_bitmap_to_user(&lis->device->prop_bits, arg, size);
} else if (number == EVIOCGKEY || number == EVIOCGLED || number == EVIOCGSND || number == EVIOCGSW) { } else if (number == EVIOCGKEY) {
// TODO: maintain current device state so SYN_DROPPED recovery can return copy_bitmap_to_user(&lis->device->key_state, arg, size);
// report pressed keys/buttons and active LEDs/sounds/switches. } else if (number == EVIOCGLED || number == EVIOCGSND || number == EVIOCGSW) {
return copy_bitmap_to_user(NULL, arg, size); return copy_bitmap_to_user(NULL, arg, size);
} else if (number == EVIOCGBIT) { } else if (number == EVIOCGBIT) {
return copy_bitmap_to_user(&lis->device->ev_bits, arg, size); return copy_bitmap_to_user(&lis->device->ev_bits, arg, size);
@@ -380,6 +380,10 @@ input_device_t *input_new() {
if (res != 0) if (res != 0)
goto cleanup; goto cleanup;
res = bitmap_init(&dev->key_state, INPUT_KEY_CNT);
if (res != 0)
goto cleanup;
res = bitmap_init(&dev->rel_bits, INPUT_REL_CNT); res = bitmap_init(&dev->rel_bits, INPUT_REL_CNT);
if (res != 0) if (res != 0)
goto cleanup; goto cleanup;
@@ -411,6 +415,8 @@ cleanup:
bitmap_destroy(&dev->syn_bits); bitmap_destroy(&dev->syn_bits);
if (dev->key_bits.data != NULL) if (dev->key_bits.data != NULL)
bitmap_destroy(&dev->key_bits); bitmap_destroy(&dev->key_bits);
if (dev->key_state.data != NULL)
bitmap_destroy(&dev->key_state);
if (dev->rel_bits.data != NULL) if (dev->rel_bits.data != NULL)
bitmap_destroy(&dev->rel_bits); bitmap_destroy(&dev->rel_bits);
if (dev->abs_bits.data != NULL) if (dev->abs_bits.data != NULL)
@@ -472,6 +478,8 @@ void input_queue_packet(input_device_t *dev, input_event_t *events, int count) {
long ipl = spinlock_acquire_raise_ipl(&dev->lock, IPL_INPUT); long ipl = spinlock_acquire_raise_ipl(&dev->lock, IPL_INPUT);
for (int i = 0; i < count; ++i) { for (int i = 0; i < count; ++i) {
if (events[i].type == INPUT_EV_KEY && events[i].code < INPUT_KEY_CNT)
bitmap_set(&dev->key_state, events[i].code, events[i].value != 0);
if (events[i].type == INPUT_EV_ABS && events[i].code < INPUT_ABS_CNT) if (events[i].type == INPUT_EV_ABS && events[i].code < INPUT_ABS_CNT)
dev->abs_info[events[i].code].value = events[i].value; dev->abs_info[events[i].code].value = events[i].value;
} }
recipes/astral
+1 -1
View File
@@ -1,5 +1,5 @@
name=astral name=astral
revision=8 revision=9
from_source=astral from_source=astral
imagedeps="build-essential nasm" imagedeps="build-essential nasm"
hostdeps="xgcc xbinutils limine" hostdeps="xgcc xbinutils limine"