add basic scheduler logic. rename init rootdir indexes

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/x86_64/proc/scheduler.c b/arch/x86_64/proc/scheduler.c
new file mode 100644
index 0000000..23e54af
--- /dev/null
+++ b/arch/x86_64/proc/scheduler.c
@@ -0,0 +1,20 @@
+#include "proc/scheduler.h"
+#include "arch/x86_64/hal/gdt.h"
+#include "process.h"
+#include "../hal/smp.h"
+#include <string.h>
+
+void
+_scheduler_switch_pcb_arch(pcb_t *target)
+{
+    processor_t *proc = processor_current();
+    proc->tss.rsp[0] = (uintptr_t)target->header.ksp;
+
+    if(target->iopb) {
+        proc->tss.iopb = sizeof(struct tss);
+        jove_owned_obj_t *iopb_obj = obj_take(target->iopb);
+        memcpy(proc->iopb, obj_deref(iopb_obj), sizeof(proc->iopb));
+    }else{
+        proc->tss.iopb = 0xff;
+    }
+}