working syscalls.

1 files changed, 35 insertions, 2 deletions

diff --git a/arch/x86_64/hal/process.c b/arch/x86_64/hal/process.c
index 5c91238..872be5a 100644
--- a/arch/x86_64/hal/process.c
+++ b/arch/x86_64/hal/process.c
@@ -1,6 +1,8 @@
 #include "process.h"
 #include "arch/x86_64/hal/obj.h"
 #include "hal/obj.h"
+#include "hal/process.h"
+#include "hal/smp.h"
 #include "init.h"
 #include "smp.h"
 #include "paging.h"
@@ -9,22 +11,53 @@
 PAGEALIGN char s_init_pcb_bytes[0x1000] = { 0 };
 static pcb_t *s_init_pcb = (pcb_t*)&s_init_pcb_bytes;
 
+jove_owned_obj_t*
+process_current(void)
+{
+    return obj_take(((processor_t*)processor_current())->pcb_obj);
+}
+
+pcb_t*
+pcb_from_obj(jove_owned_obj_t *obj)
+{
+    if(obj_gettype(obj) != JOVE_OBJ_PROCESS) {
+        reterr(EBADOBJ);
+    }
+    return obj_deref(obj);
+}
+
+pid_t
+pcb_pid(pcb_t *pcb)
+{
+    return pcb->pid;
+}
+
+jove_owned_obj_t*
+pcb_rootdir(pcb_t *pcb)
+{
+    return obj_take(pcb->rootdir);
+}
+
 void
 processing_setup(void (*process_main))
 {
     uintptr_t ksp = ((uintptr_t)&s_init_pcb_bytes) + 0xFF0;
+
+    s_init_pcb->pid = 1;
     s_init_pcb->ksp = (void*)ksp;
     s_init_pcb->pml4 = paging_get_pml4();
+    s_init_pcb->rootdir = _rootdir_obj;
 
     processor_t *proc = processor_current();
-    proc->pcb = s_init_pcb;
     proc->tss.rsp[0] = (uintptr_t)s_init_pcb->ksp;
 
     {
         jove_owned_obj_t *process_obj = objdir_getlocal(_rootdir_obj, ROOTDIR_PCB_I);
         obj_settype(process_obj, JOVE_OBJ_PROCESS);
         obj_setvalue(process_obj, (uintptr_t)s_init_pcb);
-        obj_release(process_obj);
+
+        proc->pcb_obj = obj_release(process_obj);
+        proc->pcb = s_init_pcb;
     }
 
     __asm__ volatile("\