add usermode io access obj

1 files changed, 11 insertions, 2 deletions

diff --git a/arch/x86_64/hal/process.c b/arch/x86_64/hal/process.c
index 6cc9372..c766a28 100644
--- a/arch/x86_64/hal/process.c
+++ b/arch/x86_64/hal/process.c
@@ -3,11 +3,13 @@
 #include "hal/obj.h"
 #include "hal/process.h"
 #include "hal/smp.h"
+#include "lib/string.h"
 #include "init.h"
 #include "smp.h"
 #include "paging.h"
 #include "jove.h"
 
+PAGEALIGN uint8_t s_init_iopb[0x2000];
 PAGEALIGN char s_init_pcb_bytes[0x1000] = { 0 };
 static pcb_t *s_init_pcb = (pcb_t*)&s_init_pcb_bytes;
 
@@ -35,22 +37,29 @@ pcb_pid(pcb_t *pcb)
 jove_owned_obj_t*
 pcb_rootdir(pcb_t *pcb)
 {
-    return obj_take(pcb->rootdir);
+    return pcb->rootdir;
 }
 
 void
 processing_setup(void (*process_main))
 {
+    memset(s_init_iopb, 0xFF, 0x2000);
     uintptr_t ksp = ((uintptr_t)&s_init_pcb_bytes) + 0xFF8;
 
     s_init_pcb->pid = 1;
     s_init_pcb->ksp = (void*)ksp;
     s_init_pcb->pml4 = paging_get_pml4();
-    s_init_pcb->rootdir = _rootdir_obj;
+    s_init_pcb->rootdir = obj_take(_rootdir_obj);
+
+    jove_owned_obj_t *iopb_obj = objdir_getlocal(_rootdir_obj, ROOTDIR_IOPB_I);
+    obj_settype(iopb_obj, JOVE_OBJ_IOPB);
+    obj_setvalue(iopb_obj, (uintptr_t)s_init_iopb);
 
     processor_t *proc = processor_current();
     proc->tss.rsp[0] = (uintptr_t)s_init_pcb->ksp;
 
+    memcpy(proc->iopb, s_init_iopb, 0x2000);
+
     {
         jove_owned_obj_t *process_obj = objdir_getlocal(_rootdir_obj, ROOTDIR_PCB_I);
         obj_settype(process_obj, JOVE_OBJ_PROCESS);