xref: /OK3568_Linux_fs/kernel/arch/h8300/include/asm/traps.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  *  linux/include/asm-h8300/traps.h
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  *  Copyright (C) 2003 Yoshinori Sato <ysato@users.sourceforge.jp>
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * This file is subject to the terms and conditions of the GNU General Public
7*4882a593Smuzhiyun  * License.  See the file COPYING in the main directory of this archive
8*4882a593Smuzhiyun  * for more details.
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifndef _H8300_TRAPS_H
12*4882a593Smuzhiyun #define _H8300_TRAPS_H
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun extern void _system_call(void);
15*4882a593Smuzhiyun extern void _interrupt_entry(void);
16*4882a593Smuzhiyun extern void _trace_break(void);
17*4882a593Smuzhiyun extern void _nmi(void);
18*4882a593Smuzhiyun extern void _interrupt_entry(void);
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun extern unsigned long *_interrupt_redirect_table;
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #define JMP_OP 0x5a000000
23*4882a593Smuzhiyun #define JSR_OP 0x5e000000
24*4882a593Smuzhiyun #define VECTOR(address) ((JMP_OP)|((unsigned long)address))
25*4882a593Smuzhiyun #define REDIRECT(address) ((JSR_OP)|((unsigned long)address))
26*4882a593Smuzhiyun #define CPU_VECTOR ((unsigned long *)0x000000)
27*4882a593Smuzhiyun #define ADDR_MASK (0xffffff)
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun #define TRACE_VEC 5
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #define TRAP0_VEC 8
32*4882a593Smuzhiyun #define TRAP1_VEC 9
33*4882a593Smuzhiyun #define TRAP2_VEC 10
34*4882a593Smuzhiyun #define TRAP3_VEC 11
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun extern char _start[], _etext[];
37*4882a593Smuzhiyun #define check_kernel_text(addr) \
38*4882a593Smuzhiyun 	((addr >= (unsigned long)(_start)) && \
39*4882a593Smuzhiyun 	 (addr <  (unsigned long)(_etext)) && !(addr & 1))
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun #endif /* _H8300_TRAPS_H */
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