process_create_user
This commit is contained in:
+13
-11
@@ -9,17 +9,21 @@
|
||||
#include <mem/paging.h>
|
||||
#include <stdint.h>
|
||||
#include <io/serial/serial.h>
|
||||
#include <arch/gdt.h>
|
||||
|
||||
extern struct process* processes_list;
|
||||
extern struct process* current_process;
|
||||
extern struct process* idle_proc;
|
||||
|
||||
extern struct tss tss;
|
||||
|
||||
/*
|
||||
* scheduler_init - Choose the first process
|
||||
*/
|
||||
void scheduler_init()
|
||||
{
|
||||
current_process = processes_list;
|
||||
DEBUG("scheduler starting with: pid=%u, name='%s', context=%p", current_process->pid, current_process->name, current_process->context);
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -39,13 +43,15 @@ struct cpu_status* scheduler_schedule(struct cpu_status* context)
|
||||
}
|
||||
|
||||
if (current_process == NULL) {
|
||||
// If no more processes, then set IDLE as the current process, that's it.
|
||||
current_process = idle_proc;
|
||||
panic(NULL, "current_process is NULL");
|
||||
}
|
||||
|
||||
if (current_process->context == NULL) {
|
||||
panic(NULL, "current_process->context is NULL");
|
||||
}
|
||||
|
||||
if (current_process == idle_proc && current_process->next == NULL)
|
||||
{
|
||||
return idle_proc->context;
|
||||
if (current_process->next == NULL) {
|
||||
return current_process->context;
|
||||
}
|
||||
|
||||
current_process->context = context;
|
||||
@@ -61,20 +67,16 @@ struct cpu_status* scheduler_schedule(struct cpu_status* context)
|
||||
if (current_process != NULL && current_process->status == DEAD) {
|
||||
process_delete(&prev_process, current_process);
|
||||
current_process = NULL;
|
||||
|
||||
return idle_proc->context;
|
||||
} else {
|
||||
current_process->status = RUNNING;
|
||||
/* if (prev_process != current_process) {
|
||||
DEBUG("Changed from {pid=%u, name=%s} to {pid=%u, name=%s}", prev_process->pid, prev_process->name, current_process->pid, current_process->name);
|
||||
} */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
//DEBUG("current_process={pid=%u, name='%s', root_page_table[virt]=%p}", current_process->pid, current_process->name, current_process->root_page_table);
|
||||
|
||||
tss.rsp0 = (uint64_t)current_process->kernel_stack;
|
||||
load_cr3(VIRT_TO_PHYS((uint64_t)current_process->root_page_table));
|
||||
//DEBUG("Loaded process PML4 into CR3");
|
||||
|
||||
return current_process->context;
|
||||
}
|
||||
Reference in New Issue
Block a user