refactor: rewrite kernel's make script

[lunaix-os.git] / lunaix-os / kernel / process / sched.c

diff --git a/lunaix-os/kernel/process/sched.c b/lunaix-os/kernel/process/sched.c
index 4ed9d3438ad9c2d818ee0421de6463cea8ca12da..b21d086ebce3667c7397cbb39da75575bfb0ba27 100644 (file)
--- a/lunaix-os/kernel/process/sched.c
+++ b/lunaix-os/kernel/process/sched.c
@@ -6,7 +6,7 @@
 
 #include <lunaix/fs/taskfs.h>
 #include <lunaix/mm/cake.h>
-#include <lunaix/mm/kalloc.h>
+#include <lunaix/mm/mmap.h>
 #include <lunaix/mm/pmm.h>
 #include <lunaix/mm/valloc.h>
 #include <lunaix/mm/vmm.h>
@@ -18,6 +18,8 @@
 #include <lunaix/syscall.h>
 #include <lunaix/syslog.h>
 
+#include <klibc/string.h>
+
 volatile struct proc_info* __current;
 
 static struct proc_info dummy_proc;
@@ -64,7 +66,7 @@ sched_init_dummy()
     *execp = (struct exec_param){
         .cs = KCODE_SEG,
         .eflags = cpu_reflags() | 0x0200,
-        .eip = (void*)my_dummy,
+        .eip = (ptr_t)my_dummy,
         .ss = KDATA_SEG,
     };
 
@@ -213,12 +215,17 @@ __DEFINE_LXSYSCALL1(unsigned int, sleep, unsigned int, seconds)
 
     struct proc_info* root_proc = sched_ctx._procs[0];
     __current->sleep.wakeup_time = clock_systime() + seconds * 1000;
-    llist_append(&root_proc->sleep.sleepers, &__current->sleep.sleepers);
+
+    if (llist_empty(&__current->sleep.sleepers)) {
+        llist_append(&root_proc->sleep.sleepers, &__current->sleep.sleepers);
+    }
 
     __current->intr_ctx.registers.eax = seconds;
 
     block_current();
     schedule();
+
+    return 0;
 }
 
 __DEFINE_LXSYSCALL1(unsigned int, alarm, unsigned int, seconds)
@@ -324,13 +331,14 @@ alloc_process()
 
     proc->state = PS_CREATED;
     proc->pid = i;
+    proc->mm.pid = i;
     proc->created = clock_systime();
     proc->pgid = proc->pid;
     proc->fdtable = vzalloc(sizeof(struct v_fdtable));
     proc->fxstate =
       vzalloc_dma(512); // FXSAVE需要十六位对齐地址，使用DMA块（128位对齐）
 
-    llist_init_head(&proc->mm.regions.head);
+    llist_init_head(&proc->mm.regions);
     llist_init_head(&proc->tasks);
     llist_init_head(&proc->children);
     llist_init_head(&proc->grp_member);
@@ -365,7 +373,7 @@ commit_process(struct proc_info* process)
 
 // from <kernel/process.c>
 extern void
-__del_pagetable(pid_t pid, uintptr_t mount_point);
+__del_pagetable(pid_t pid, ptr_t mount_point);
 
 pid_t
 destroy_process(pid_t pid)
@@ -373,8 +381,9 @@ destroy_process(pid_t pid)
     int index = pid;
     if (index <= 0 || index > sched_ctx.ptable_len) {
         __current->k_status = EINVAL;
-        return;
+        return -1;
     }
+
     struct proc_info* proc = sched_ctx._procs[index];
     sched_ctx._procs[index] = 0;
 
@@ -400,17 +409,18 @@ destroy_process(pid_t pid)
     vfree(proc->fdtable);
     vfree_dma(proc->fxstate);
 
+    vmm_mount_pd(VMS_MOUNT_1, proc->page_table);
+
     struct mm_region *pos, *n;
-    llist_for_each(pos, n, &proc->mm.regions.head, head)
+    llist_for_each(pos, n, &proc->mm.regions, head)
     {
-        vfree(pos);
+        mem_sync_pages(VMS_MOUNT_1, pos, pos->start, pos->end - pos->start, 0);
+        region_release(pos);
     }
 
-    vmm_mount_pd(PD_MOUNT_1, proc->page_table);
-
-    __del_pagetable(pid, PD_MOUNT_1);
+    __del_pagetable(pid, VMS_MOUNT_1);
 
-    vmm_unmount_pd(PD_MOUNT_1);
+    vmm_unmount_pd(VMS_MOUNT_1);
 
     cake_release(proc_pile, proc);