1 /*
2  *  Port on Texas Instruments TMS320C6x architecture
3  *
4  *  Copyright (C) 2004, 2009, 2011 Texas Instruments Incorporated
5  *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License version 2 as
9  *  published by the Free Software Foundation.
10  */
11 #ifndef _ASM_C6X_TRAPS_H
12 #define _ASM_C6X_TRAPS_H
13 
14 #define EXCEPT_TYPE_NXF   31	   /* NMI */
15 #define EXCEPT_TYPE_EXC   30	   /* external exception */
16 #define EXCEPT_TYPE_IXF   1	   /* internal exception */
17 #define EXCEPT_TYPE_SXF   0	   /* software exception */
18 
19 #define EXCEPT_CAUSE_LBX  (1 << 7) /* loop buffer exception */
20 #define EXCEPT_CAUSE_PRX  (1 << 6) /* privilege exception */
21 #define EXCEPT_CAUSE_RAX  (1 << 5) /* resource access exception */
22 #define EXCEPT_CAUSE_RCX  (1 << 4) /* resource conflict exception */
23 #define EXCEPT_CAUSE_OPX  (1 << 3) /* opcode exception */
24 #define EXCEPT_CAUSE_EPX  (1 << 2) /* execute packet exception */
25 #define EXCEPT_CAUSE_FPX  (1 << 1) /* fetch packet exception */
26 #define EXCEPT_CAUSE_IFX  (1 << 0) /* instruction fetch exception */
27 
28 struct exception_info {
29 	char *kernel_str;
30 	int  signo;
31 	int  code;
32 };
33 
34 extern int (*c6x_nmi_handler)(struct pt_regs *regs);
35 
36 #endif /* _ASM_C6X_TRAPS_H */
37