add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/nds32/include/asm/processor.h
..
..
@@ -1,14 +1,8 @@
1
-// SPDX-License-Identifier: GPL-2.0
1
+/* SPDX-License-Identifier: GPL-2.0 */
2
2
 // Copyright (C) 2005-2017 Andes Technology Corporation
3
3
 
4
4
 #ifndef __ASM_NDS32_PROCESSOR_H
5
5
 #define __ASM_NDS32_PROCESSOR_H
6
-
7
-/*
8
- * Default implementation of macro that returns current
9
- * instruction pointer ("program counter").
10
- */
11
-#define current_text_addr() ({ __label__ _l; _l: &&_l;})
12
6
 
13
7
 #ifdef __KERNEL__
14
8
 
..
..
@@ -41,6 +35,8 @@
41
35
 	unsigned long address;
42
36
 	unsigned long trap_no;
43
37
 	unsigned long error_code;
38
+
39
+	struct fpu_struct fpu;
44
40
 };
45
41
 
46
42
 #define INIT_THREAD  {	}
..
..
@@ -78,6 +74,11 @@
78
74
 
79
75
 /* Free all resources held by a thread. */
80
76
 #define release_thread(thread) do { } while(0)
77
+#if IS_ENABLED(CONFIG_FPU)
78
+#if !IS_ENABLED(CONFIG_UNLAZU_FPU)
79
+extern struct task_struct *last_task_used_math;
80
+#endif
81
+#endif
81
82
 
82
83
 /* Prepare to copy thread state - unlazy all lazy status */
83
84
 #define prepare_to_copy(tsk)	do { } while (0)