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Implement a kernel process

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This commit is contained in:
Kamil Kowalczyk
2025-09-06 17:13:52 +02:00
parent b04ebd9c71
commit 0cbf308d95
1 changed files with 12 additions and 21 deletions
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33
kernel/proc/proc.c
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@ -163,9 +163,6 @@ Proc *proc_spawnuser(char *mountpoint, char *path) {
proc->state = PROC_READY;
proc->pid = pids++;
proc->pipes[0] = dlmalloc(sizeof(IpcPipe));
ipc_pipeinit(proc->pipes[0]);
return proc;
}
@ -268,12 +265,6 @@ void proc_killself(void) {
spinlock_release(&PROCS.spinlock);
}
void proc_idle(void) {
for(;;) {
// .
}
}
void proc_status(void) {
static const char *statuses[] = {"ready", "running", "zombie", "waiting"};
for (;;) {
@ -290,14 +281,13 @@ void proc_status(void) {
}
}
Proc *init_proc = NULL;
#define PIPEREADER_BUF_SIZE 100
Proc *kproc = NULL;
void proc_init_pipereader(void) {
char buf[PIPEREADER_BUF_SIZE];
void proc_kproc(void) {
char buf[100];
hal_memset(buf, 0, sizeof(buf));
for (;;) {
int32_t read = ipc_piperead(init_proc->pipes[0], buf, PIPEREADER_BUF_SIZE);
int32_t read = ipc_piperead(kproc->pipes[1], buf, sizeof(buf));
kprintf("%.*s", read, buf);
hal_memset(buf, 0, sizeof(buf));
}
@ -307,14 +297,15 @@ void proc_init(void) {
spinlock_init(&PROCS.spinlock);
PROCS.procs = NULL;
Proc *idle = proc_spawnkern(&proc_idle, "k-idle");
proc_register(idle);
PROCS.current = idle;
kproc = proc_spawnkern(&proc_kproc, "kproc");
kproc->pipes[1] = dlmalloc(sizeof(IpcPipe));
ipc_pipeinit(kproc->pipes[1]);
proc_register(kproc);
PROCS.current = kproc;
/* proc_register(proc_spawnkern(&proc_status, "status")); */
init_proc = proc_spawnuser("base", "/bin/init");
proc_register(init_proc);
proc_register(proc_spawnkern(&proc_init_pipereader, "k-init-pipereader"));
Proc *init = proc_spawnuser("base", "/bin/init");
init->pipes[0] = kproc->pipes[1];
proc_register(init);
hal_switchproc(&PROCS.current->platformdata.trapframe, (void *)PROCS.current->platformdata.cr3);
}