initial commit. working on tasking

1 files changed, 34 insertions, 0 deletions

diff --git a/arch/x86_64/hal/process.h b/arch/x86_64/hal/process.h
new file mode 100644
index 0000000..0c0fb5b
--- /dev/null
+++ b/arch/x86_64/hal/process.h
@@ -0,0 +1,34 @@
+#ifndef _JOVE_x86_64_HAL_PROCESS_H
+#define _JOVE_x86_64_HAL_PROCESS_H 1
+
+#include "hal/obj.h"
+#include "arch/x86_64/x86_64.h"
+
+enum pcb_state
+{
+    PCB_DEAD, PCB_READY, PCB_RUNNING, PCB_BLOCKED
+};
+
+struct pcb_mailbox
+{
+    jove_obj_t *obj;
+    uintmax_t pcbid;
+};
+
+typedef struct process_control_block
+{
+    jove_obj_t *rootdir;
+    uintptr_t pml4;
+
+    enum pcb_state state;
+    int killed;
+    struct pcb_mailbox send, recv;
+    
+    struct cpu_context context;
+    void *ksp;
+    char kstack[];
+} pcb_t;
+
+#define PCB_KSTACK_SIZE (0x1000 - sizeof(pcb_t))
+
+#endif