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1 /*
2  * HNDRTE arm trap handling.
3  *
4  * Copyright (C) 1999-2010, Broadcom Corporation
5  *
6  *      Unless you and Broadcom execute a separate written software license
7  * agreement governing use of this software, this software is licensed to you
8  * under the terms of the GNU General Public License version 2 (the "GPL"),
9  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
10  * following added to such license:
11  *
12  *      As a special exception, the copyright holders of this software give you
13  * permission to link this software with independent modules, and to copy and
14  * distribute the resulting executable under terms of your choice, provided that
15  * you also meet, for each linked independent module, the terms and conditions of
16  * the license of that module.  An independent module is a module which is not
17  * derived from this software.  The special exception does not apply to any
18  * modifications of the software.
19  *
20  *      Notwithstanding the above, under no circumstances may you combine this
21  * software in any way with any other Broadcom software provided under a license
22  * other than the GPL, without Broadcom's express prior written consent.
23  *
24  * $Id: hndrte_armtrap.h,v 13.3.196.2 2010/07/15 19:06:11 Exp $
25  */
26 
27 #ifndef	_hndrte_armtrap_h
28 #define	_hndrte_armtrap_h
29 
30 
31 /* ARM trap handling */
32 
33 /* Trap types defined by ARM (see arminc.h) */
34 
35 /* Trap locations in lo memory */
36 #define	TRAP_STRIDE	4
37 #define FIRST_TRAP	TR_RST
38 #define LAST_TRAP	(TR_FIQ * TRAP_STRIDE)
39 
40 #if defined(__ARM_ARCH_4T__)
41 #define	MAX_TRAP_TYPE	(TR_FIQ + 1)
42 #elif defined(__ARM_ARCH_7M__)
43 #define	MAX_TRAP_TYPE	(TR_ISR + ARMCM3_NUMINTS)
44 #endif	/* __ARM_ARCH_7M__ */
45 
46 /* The trap structure is defined here as offsets for assembly */
47 #define	TR_TYPE		0x00
48 #define	TR_EPC		0x04
49 #define	TR_CPSR		0x08
50 #define	TR_SPSR		0x0c
51 #define	TR_REGS		0x10
52 #define	TR_REG(n)	(TR_REGS + (n) * 4)
53 #define	TR_SP		TR_REG(13)
54 #define	TR_LR		TR_REG(14)
55 #define	TR_PC		TR_REG(15)
56 
57 #define	TRAP_T_SIZE	80
58 
59 #ifndef	_LANGUAGE_ASSEMBLY
60 
61 #include <typedefs.h>
62 
63 typedef struct _trap_struct {
64 	uint32		type;
65 	uint32		epc;
66 	uint32		cpsr;
67 	uint32		spsr;
68 	uint32		r0;
69 	uint32		r1;
70 	uint32		r2;
71 	uint32		r3;
72 	uint32		r4;
73 	uint32		r5;
74 	uint32		r6;
75 	uint32		r7;
76 	uint32		r8;
77 	uint32		r9;
78 	uint32		r10;
79 	uint32		r11;
80 	uint32		r12;
81 	uint32		r13;
82 	uint32		r14;
83 	uint32		pc;
84 } trap_t;
85 
86 #endif	/* !_LANGUAGE_ASSEMBLY */
87 
88 #endif	/* _hndrte_armtrap_h */
89