From 98d5547cfd89be04e3a0c0c7b6db02c00084bb25 Mon Sep 17 00:00:00 2001
From: Matthias Kruk <m@m10k.eu>
Date: Mon, 4 Nov 2019 10:46:32 +0900
Subject: [PATCH] Move definition of struct stack_frame to arch.h

---
 kernel/arch/cpu.h       | 22 ----------------------
 kernel/arch/interrupt.c |  1 +
 kernel/include/arch.h   | 32 ++++++++++++++++++++++++++++++--
 3 files changed, 31 insertions(+), 24 deletions(-)

diff --git a/kernel/arch/cpu.h b/kernel/arch/cpu.h
index f5b1349..da1062a 100644
--- a/kernel/arch/cpu.h
+++ b/kernel/arch/cpu.h
@@ -111,28 +111,6 @@ struct tss64 {
     u16_t   rss64_iomap;
 } __attribute__((packed));
 
-typedef struct stack_frame stack_frame_t;
-
-struct stack_frame {
-	u32_t cr3;
-	u32_t ds;
-	u32_t edi;
-	u32_t esi;
-	u32_t ebp;
-	u32_t esp;
-	u32_t ebx;
-	u32_t edx;
-	u32_t ecx;
-	u32_t eax;
-	u32_t intn;
-	u32_t error;
-	u32_t eip;
-	u32_t cs;
-	u32_t eflags;
-	u32_t prevesp;
-	u32_t ss;
-} __attribute__((packed));
-
 struct cpu {
     segment_descriptor_t    cpu_gdt[GDT_ENTRIES];
     segment_descriptor_t    cpu_idt[IDT_ENTRIES];
diff --git a/kernel/arch/interrupt.c b/kernel/arch/interrupt.c
index 346e404..c6af750 100644
--- a/kernel/arch/interrupt.c
+++ b/kernel/arch/interrupt.c
@@ -19,6 +19,7 @@
 #include <config.h>
 #include <corax/types.h>
 #include <corax/errno.h>
+#include <arch.h>
 #include <debug.h>
 #include <process.h>
 #include "cpu.h"
diff --git a/kernel/include/arch.h b/kernel/include/arch.h
index 2d97c34..9722a9a 100644
--- a/kernel/include/arch.h
+++ b/kernel/include/arch.h
@@ -19,14 +19,39 @@
 #ifndef __ARCH_H
 #define __ARCH_H
 
-#include <corax/types.h>
-
 #define TASK_STATE_NEW     0
 #define TASK_STATE_RUNNING 1
 #define TASK_STATE_READY   2
 #define TASK_STATE_WAITING 3
 #define TASK_STATE_BROKEN  4
 #define TASK_STATE_EXIT    5
+#define TASK_STATE_FORKED  6
+
+#ifndef __ASSEMBLY_SOURCE
+
+#include <corax/types.h>
+
+typedef struct stack_frame stack_frame_t;
+
+struct stack_frame {
+	u32_t cr3;
+	u32_t ds;
+	u32_t edi;
+	u32_t esi;
+	u32_t ebp;
+	u32_t esp;
+	u32_t ebx;
+	u32_t edx;
+	u32_t ecx;
+	u32_t eax;
+	u32_t intn;
+	u32_t error;
+	u32_t eip;
+	u32_t cs;
+	u32_t eflags;
+	u32_t prevesp;
+	u32_t ss;
+} __attribute__((packed));
 
 typedef struct task task_t;
 
@@ -52,6 +77,7 @@ u64_t   cpu_timestamp(void);
 u32_t   cpu_set_pstate(int pstate);
 
 int     task_prepare(struct task*, u32_t cr3, u32_t eip, u32_t esp0, u32_t esp, u32_t priv);
+int     task_prepare_fork(struct task*);
 int     task_switch(struct task*);
 
 task_t* task_get_current(void);
@@ -96,4 +122,6 @@ void*   pg_dir_get_ustack(pg_dir_t*);
 
 int     pg_dir_memcpy(pg_dir_t*, void*, pg_dir_t*, void*, u32_t);
 
+#endif /* !__ASSEMBLY_SOURCE */
+
 #endif /* __ARCH_H */
-- 
2.47.3