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Add special event pipes, rework ps2kb process

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This commit is contained in:
Kamil Kowalczyk
2025-09-08 22:12:50 +02:00
parent 94dd38d010
commit ab224eda8e
9 changed files with 101 additions and 13 deletions
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35
kernel/proc/ps2kbproc/ps2kbproc.c
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@ -2,18 +2,45 @@
#include "proc/proc.h"
#include "dlmalloc/malloc.h"
#include "ipc/pipe/pipe.h"
#include "kprintf.h"
#include "rbuf/rbuf.h"
#include "ps2kbproc.h"
Proc *PS2KBPROC = NULL;
Ps2KbFastBuf PS2KB_BUF;
Proc *PS2KBPROC;
void ps2kbproc_init(Proc *proc) {
PS2KBPROC = proc;
PS2KBPROC->pipes[0] = dlmalloc(sizeof(IpcPipe));
ipc_pipeinit(PS2KBPROC->pipes[0]);
PS2KBPROC->eventpipes = NULL;
PS2KB_BUF.rbuf.buffer = dlmalloc(IPC_PIPE_MAX);
PS2KB_BUF.rbuf.cap = IPC_PIPE_MAX;
spinlock_init(&PS2KB_BUF.spinlock);
}
void ps2kbproc_fn(void) {
for (;;) {
int32_t kbchr;
uint8_t *buf = (uint8_t *)&kbchr;
size_t i = 0;
spinlock_acquire(&PS2KB_BUF.spinlock);
for (; i < sizeof(kbchr); i++) {
if (rbuf_pop(&PS2KB_BUF.rbuf, &buf[i]) < 0) {
break;
}
}
spinlock_release(&PS2KB_BUF.spinlock);
if (i > 0) {
spinlock_acquire(&PS2KBPROC->eventpipes_spinlock);
IpcPipe *head = PS2KBPROC->eventpipes;
while (head != NULL) {
ipc_pipewrite(head, (uint8_t *)&kbchr, sizeof(kbchr));
head = head->next;
}
spinlock_release(&PS2KBPROC->eventpipes_spinlock);
}
}
}