armreg.h revision 290648
1/*	$NetBSD: armreg.h,v 1.37 2007/01/06 00:50:54 christos Exp $	*/
2
3/*-
4 * Copyright (c) 1998, 2001 Ben Harris
5 * Copyright (c) 1994-1996 Mark Brinicombe.
6 * Copyright (c) 1994 Brini.
7 * All rights reserved.
8 *
9 * This code is derived from software written for Brini by Mark Brinicombe
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *	This product includes software developed by Brini.
22 * 4. The name of the company nor the name of the author may be used to
23 *    endorse or promote products derived from this software without specific
24 *    prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
28 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
29 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
30 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * $FreeBSD: head/sys/arm/include/armreg.h 290648 2015-11-10 12:02:41Z mmel $
39 */
40
41#ifndef MACHINE_ARMREG_H
42#define MACHINE_ARMREG_H
43
44#include <machine/acle-compat.h>
45
46#define INSN_SIZE	4
47#define INSN_COND_MASK	0xf0000000	/* Condition mask */
48#define PSR_MODE        0x0000001f      /* mode mask */
49#define PSR_USR32_MODE  0x00000010
50#define PSR_FIQ32_MODE  0x00000011
51#define PSR_IRQ32_MODE  0x00000012
52#define PSR_SVC32_MODE  0x00000013
53#define PSR_MON32_MODE	0x00000016
54#define PSR_ABT32_MODE  0x00000017
55#define PSR_HYP32_MODE	0x0000001a
56#define PSR_UND32_MODE  0x0000001b
57#define PSR_SYS32_MODE  0x0000001f
58#define PSR_32_MODE     0x00000010
59#define PSR_T		0x00000020	/* Instruction set bit */
60#define PSR_F		0x00000040	/* FIQ disable bit */
61#define PSR_I		0x00000080	/* IRQ disable bit */
62#define PSR_A		0x00000100	/* Imprecise abort bit */
63#define PSR_E		0x00000200	/* Data endianess bit */
64#define PSR_GE		0x000f0000	/* Greater than or equal to bits */
65#define PSR_J		0x01000000	/* Java bit */
66#define PSR_Q		0x08000000	/* Sticky overflow bit */
67#define PSR_V		0x10000000	/* Overflow bit */
68#define PSR_C		0x20000000	/* Carry bit */
69#define PSR_Z		0x40000000	/* Zero bit */
70#define PSR_N		0x80000000	/* Negative bit */
71#define PSR_FLAGS	0xf0000000	/* Flags mask. */
72
73/* The high-order byte is always the implementor */
74#define CPU_ID_IMPLEMENTOR_MASK	0xff000000
75#define CPU_ID_ARM_LTD		0x41000000 /* 'A' */
76#define CPU_ID_DEC		0x44000000 /* 'D' */
77#define CPU_ID_INTEL		0x69000000 /* 'i' */
78#define	CPU_ID_TI		0x54000000 /* 'T' */
79#define	CPU_ID_FARADAY		0x66000000 /* 'f' */
80
81/* How to decide what format the CPUID is in. */
82#define CPU_ID_ISOLD(x)		(((x) & 0x0000f000) == 0x00000000)
83#define CPU_ID_IS7(x)		(((x) & 0x0000f000) == 0x00007000)
84#define CPU_ID_ISNEW(x)		(!CPU_ID_ISOLD(x) && !CPU_ID_IS7(x))
85
86/* On recent ARMs this byte holds the architecture and variant (sub-model) */
87#define CPU_ID_ARCH_MASK	0x000f0000
88#define CPU_ID_ARCH_V3		0x00000000
89#define CPU_ID_ARCH_V4		0x00010000
90#define CPU_ID_ARCH_V4T		0x00020000
91#define CPU_ID_ARCH_V5		0x00030000
92#define CPU_ID_ARCH_V5T		0x00040000
93#define CPU_ID_ARCH_V5TE	0x00050000
94#define CPU_ID_ARCH_V5TEJ	0x00060000
95#define CPU_ID_ARCH_V6		0x00070000
96#define CPU_ID_CPUID_SCHEME	0x000f0000
97#define CPU_ID_VARIANT_MASK	0x00f00000
98
99/* Next three nybbles are part number */
100#define CPU_ID_PARTNO_MASK	0x0000fff0
101
102/* Intel XScale has sub fields in part number */
103#define CPU_ID_XSCALE_COREGEN_MASK	0x0000e000 /* core generation */
104#define CPU_ID_XSCALE_COREREV_MASK	0x00001c00 /* core revision */
105#define CPU_ID_XSCALE_PRODUCT_MASK	0x000003f0 /* product number */
106
107/* And finally, the revision number. */
108#define CPU_ID_REVISION_MASK	0x0000000f
109
110/* Individual CPUs are probably best IDed by everything but the revision. */
111#define CPU_ID_CPU_MASK		0xfffffff0
112
113/* ARM9 and later CPUs */
114#define CPU_ID_ARM920T		0x41129200
115#define CPU_ID_ARM920T_ALT	0x41009200
116#define CPU_ID_ARM922T		0x41029220
117#define CPU_ID_ARM926EJS	0x41069260
118#define CPU_ID_ARM940T		0x41029400 /* XXX no MMU */
119#define CPU_ID_ARM946ES		0x41049460 /* XXX no MMU */
120#define	CPU_ID_ARM966ES		0x41049660 /* XXX no MMU */
121#define	CPU_ID_ARM966ESR1	0x41059660 /* XXX no MMU */
122#define CPU_ID_ARM1020E		0x4115a200 /* (AKA arm10 rev 1) */
123#define CPU_ID_ARM1022ES	0x4105a220
124#define CPU_ID_ARM1026EJS	0x4106a260
125#define CPU_ID_ARM1136JS	0x4107b360
126#define CPU_ID_ARM1136JSR1	0x4117b360
127#define CPU_ID_ARM1176JZS	0x410fb760
128#define CPU_ID_CORTEXA5 	0x410fc050
129#define CPU_ID_CORTEXA7 	0x410fc070
130#define CPU_ID_CORTEXA8R1	0x411fc080
131#define CPU_ID_CORTEXA8R2	0x412fc080
132#define CPU_ID_CORTEXA8R3	0x413fc080
133#define CPU_ID_CORTEXA9R1	0x411fc090
134#define CPU_ID_CORTEXA9R2	0x412fc090
135#define CPU_ID_CORTEXA9R3	0x413fc090
136#define CPU_ID_CORTEXA9R4	0x414fc090
137#define CPU_ID_CORTEXA12R0	0x410fc0d0
138#define CPU_ID_CORTEXA15R0	0x410fc0f0
139#define CPU_ID_CORTEXA15R1	0x411fc0f0
140#define CPU_ID_CORTEXA15R2	0x412fc0f0
141#define CPU_ID_CORTEXA15R3	0x413fc0f0
142#define	CPU_ID_KRAIT		0x510f06f0 /* Snapdragon S4 Pro/APQ8064 */
143#define	CPU_ID_TI925T		0x54029250
144#define CPU_ID_MV88FR131	0x56251310 /* Marvell Feroceon 88FR131 Core */
145#define CPU_ID_MV88FR331	0x56153310 /* Marvell Feroceon 88FR331 Core */
146#define CPU_ID_MV88FR571_VD	0x56155710 /* Marvell Feroceon 88FR571-VD Core (ID from datasheet) */
147
148/*
149 * LokiPlus core has also ID set to 0x41159260 and this define cause execution of unsupported
150 * L2-cache instructions so need to disable it. 0x41159260 is a generic ARM926E-S ID.
151 */
152#ifdef SOC_MV_LOKIPLUS
153#define CPU_ID_MV88FR571_41	0x00000000
154#else
155#define CPU_ID_MV88FR571_41	0x41159260 /* Marvell Feroceon 88FR571-VD Core (actual ID from CPU reg) */
156#endif
157
158#define CPU_ID_MV88SV581X_V7		0x561F5810 /* Marvell Sheeva 88SV581x v7 Core */
159#define CPU_ID_MV88SV584X_V7		0x562F5840 /* Marvell Sheeva 88SV584x v7 Core */
160/* Marvell's CPUIDs with ARM ID in implementor field */
161#define CPU_ID_ARM_88SV581X_V7		0x413FC080 /* Marvell Sheeva 88SV581x v7 Core */
162
163#define	CPU_ID_FA526		0x66015260
164#define	CPU_ID_FA626TE		0x66056260
165#define CPU_ID_80200		0x69052000
166#define CPU_ID_PXA250    	0x69052100 /* sans core revision */
167#define CPU_ID_PXA210    	0x69052120
168#define CPU_ID_PXA250A		0x69052100 /* 1st version Core */
169#define CPU_ID_PXA210A		0x69052120 /* 1st version Core */
170#define CPU_ID_PXA250B		0x69052900 /* 3rd version Core */
171#define CPU_ID_PXA210B		0x69052920 /* 3rd version Core */
172#define CPU_ID_PXA250C		0x69052d00 /* 4th version Core */
173#define CPU_ID_PXA210C		0x69052d20 /* 4th version Core */
174#define	CPU_ID_PXA27X		0x69054110
175#define	CPU_ID_80321_400	0x69052420
176#define	CPU_ID_80321_600	0x69052430
177#define	CPU_ID_80321_400_B0	0x69052c20
178#define	CPU_ID_80321_600_B0	0x69052c30
179#define	CPU_ID_80219_400	0x69052e20 /* A0 stepping/revision. */
180#define	CPU_ID_80219_600	0x69052e30 /* A0 stepping/revision. */
181#define	CPU_ID_81342		0x69056810
182#define	CPU_ID_IXP425		0x690541c0
183#define	CPU_ID_IXP425_533	0x690541c0
184#define	CPU_ID_IXP425_400	0x690541d0
185#define	CPU_ID_IXP425_266	0x690541f0
186#define	CPU_ID_IXP435		0x69054040
187#define	CPU_ID_IXP465		0x69054200
188
189/* CPUID registers */
190#define ARM_PFR0_ARM_ISA_MASK	0x0000000f
191
192#define ARM_PFR0_THUMB_MASK	0x000000f0
193#define ARM_PFR0_THUMB		0x10
194#define ARM_PFR0_THUMB2		0x30
195
196#define ARM_PFR0_JAZELLE_MASK	0x00000f00
197#define ARM_PFR0_THUMBEE_MASK	0x0000f000
198
199#define ARM_PFR1_ARMV4_MASK	0x0000000f
200#define ARM_PFR1_SEC_EXT_MASK	0x000000f0
201#define ARM_PFR1_MICROCTRL_MASK	0x00000f00
202
203/*
204 * Post-ARM3 CP15 registers:
205 *
206 *	1	Control register
207 *
208 *	2	Translation Table Base
209 *
210 *	3	Domain Access Control
211 *
212 *	4	Reserved
213 *
214 *	5	Fault Status
215 *
216 *	6	Fault Address
217 *
218 *	7	Cache/write-buffer Control
219 *
220 *	8	TLB Control
221 *
222 *	9	Cache Lockdown
223 *
224 *	10	TLB Lockdown
225 *
226 *	11	Reserved
227 *
228 *	12	Reserved
229 *
230 *	13	Process ID (for FCSE)
231 *
232 *	14	Reserved
233 *
234 *	15	Implementation Dependent
235 */
236
237/* Some of the definitions below need cleaning up for V3/V4 architectures */
238
239/* CPU control register (CP15 register 1) */
240#define CPU_CONTROL_MMU_ENABLE	0x00000001 /* M: MMU/Protection unit enable */
241#define CPU_CONTROL_AFLT_ENABLE	0x00000002 /* A: Alignment fault enable */
242#define CPU_CONTROL_DC_ENABLE	0x00000004 /* C: IDC/DC enable */
243#define CPU_CONTROL_WBUF_ENABLE 0x00000008 /* W: Write buffer enable */
244#define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */
245#define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */
246#define CPU_CONTROL_LABT_ENABLE 0x00000040 /* L: Late abort enable */
247#define CPU_CONTROL_BEND_ENABLE 0x00000080 /* B: Big-endian mode */
248#define CPU_CONTROL_SYST_ENABLE 0x00000100 /* S: System protection bit */
249#define CPU_CONTROL_ROM_ENABLE	0x00000200 /* R: ROM protection bit */
250#define CPU_CONTROL_CPCLK	0x00000400 /* F: Implementation defined */
251#define CPU_CONTROL_SW_ENABLE	0x00000400 /* SW: SWP instruction enable */
252#define CPU_CONTROL_BPRD_ENABLE 0x00000800 /* Z: Branch prediction enable */
253#define CPU_CONTROL_IC_ENABLE   0x00001000 /* I: IC enable */
254#define CPU_CONTROL_VECRELOC	0x00002000 /* V: Vector relocation */
255#define CPU_CONTROL_ROUNDROBIN	0x00004000 /* RR: Predictable replacement */
256#define CPU_CONTROL_V4COMPAT	0x00008000 /* L4: ARMv4 compat LDR R15 etc */
257#define CPU_CONTROL_HAF_ENABLE	0x00020000 /* HA: Hardware Access Flag Enable */
258#define CPU_CONTROL_FI_ENABLE	0x00200000 /* FI: Low interrupt latency */
259#define CPU_CONTROL_UNAL_ENABLE 0x00400000 /* U: unaligned data access */
260#define CPU_CONTROL_V6_EXTPAGE	0x00800000 /* XP: ARMv6 extended page tables */
261#define CPU_CONTROL_V_ENABLE	0x01000000 /* VE: Interrupt vectors enable */
262#define CPU_CONTROL_EX_BEND	0x02000000 /* EE: exception endianness */
263#define CPU_CONTROL_L2_ENABLE	0x04000000 /* L2 Cache enabled */
264#define CPU_CONTROL_NMFI	0x08000000 /* NMFI: Non maskable FIQ */
265#define CPU_CONTROL_TR_ENABLE	0x10000000 /* TRE: TEX Remap*/
266#define CPU_CONTROL_AF_ENABLE	0x20000000 /* AFE: Access Flag enable */
267#define CPU_CONTROL_TE_ENABLE	0x40000000 /* TE: Thumb Exception enable */
268
269#define CPU_CONTROL_IDC_ENABLE	CPU_CONTROL_DC_ENABLE
270
271/* ARM11x6 Auxiliary Control Register (CP15 register 1, opcode2 1) */
272#define	ARM11X6_AUXCTL_RS	0x00000001 /* return stack */
273#define	ARM11X6_AUXCTL_DB	0x00000002 /* dynamic branch prediction */
274#define	ARM11X6_AUXCTL_SB	0x00000004 /* static branch prediction */
275#define	ARM11X6_AUXCTL_TR	0x00000008 /* MicroTLB replacement strat. */
276#define	ARM11X6_AUXCTL_EX	0x00000010 /* exclusive L1/L2 cache */
277#define	ARM11X6_AUXCTL_RA	0x00000020 /* clean entire cache disable */
278#define	ARM11X6_AUXCTL_RV	0x00000040 /* block transfer cache disable */
279#define	ARM11X6_AUXCTL_CZ	0x00000080 /* restrict cache size */
280
281/* ARM1136 Auxiliary Control Register (CP15 register 1, opcode2 1) */
282#define ARM1136_AUXCTL_PFI	0x80000000 /* PFI: partial FI mode. */
283					   /* This is an undocumented flag
284					    * used to work around a cache bug
285					    * in r0 steppings. See errata
286					    * 364296.
287					    */
288/* ARM1176 Auxiliary Control Register (CP15 register 1, opcode2 1) */
289#define	ARM1176_AUXCTL_PHD	0x10000000 /* inst. prefetch halting disable */
290#define	ARM1176_AUXCTL_BFD	0x20000000 /* branch folding disable */
291#define	ARM1176_AUXCTL_FSD	0x40000000 /* force speculative ops disable */
292#define	ARM1176_AUXCTL_FIO	0x80000000 /* low intr latency override */
293
294/* XScale Auxillary Control Register (CP15 register 1, opcode2 1) */
295#define	XSCALE_AUXCTL_K		0x00000001 /* dis. write buffer coalescing */
296#define	XSCALE_AUXCTL_P		0x00000002 /* ECC protect page table access */
297/* Note: XSCale core 3 uses those for LLR DCcahce attributes */
298#define	XSCALE_AUXCTL_MD_WB_RA	0x00000000 /* mini-D$ wb, read-allocate */
299#define	XSCALE_AUXCTL_MD_WB_RWA	0x00000010 /* mini-D$ wb, read/write-allocate */
300#define	XSCALE_AUXCTL_MD_WT	0x00000020 /* mini-D$ wt, read-allocate */
301#define	XSCALE_AUXCTL_MD_MASK	0x00000030
302
303/* Xscale Core 3 only */
304#define XSCALE_AUXCTL_LLR	0x00000400 /* Enable L2 for LLR Cache */
305
306/* Marvell Extra Features Register (CP15 register 1, opcode2 0) */
307#define MV_DC_REPLACE_LOCK	0x80000000 /* Replace DCache Lock */
308#define MV_DC_STREAM_ENABLE	0x20000000 /* DCache Streaming Switch */
309#define MV_WA_ENABLE		0x10000000 /* Enable Write Allocate */
310#define MV_L2_PREFETCH_DISABLE	0x01000000 /* L2 Cache Prefetch Disable */
311#define MV_L2_INV_EVICT_ERR	0x00800000 /* L2 Invalidates Uncorrectable Error Line Eviction */
312#define MV_L2_ENABLE		0x00400000 /* L2 Cache enable */
313#define MV_IC_REPLACE_LOCK	0x00080000 /* Replace ICache Lock */
314#define MV_BGH_ENABLE		0x00040000 /* Branch Global History Register Enable */
315#define MV_BTB_DISABLE		0x00020000 /* Branch Target Buffer Disable */
316#define MV_L1_PARERR_ENABLE	0x00010000 /* L1 Parity Error Enable */
317
318/* Cache type register definitions */
319#define	CPU_CT_ISIZE(x)		((x) & 0xfff)		/* I$ info */
320#define	CPU_CT_DSIZE(x)		(((x) >> 12) & 0xfff)	/* D$ info */
321#define	CPU_CT_S		(1U << 24)		/* split cache */
322#define	CPU_CT_CTYPE(x)		(((x) >> 25) & 0xf)	/* cache type */
323#define	CPU_CT_FORMAT(x)	((x) >> 29)
324/* Cache type register definitions for ARM v7 */
325#define	CPU_CT_IMINLINE(x)	((x) & 0xf)		/* I$ min line size */
326#define	CPU_CT_DMINLINE(x)	(((x) >> 16) & 0xf)	/* D$ min line size */
327
328#define	CPU_CT_CTYPE_WT		0	/* write-through */
329#define	CPU_CT_CTYPE_WB1	1	/* write-back, clean w/ read */
330#define	CPU_CT_CTYPE_WB2	2	/* w/b, clean w/ cp15,7 */
331#define	CPU_CT_CTYPE_WB6	6	/* w/b, cp15,7, lockdown fmt A */
332#define	CPU_CT_CTYPE_WB7	7	/* w/b, cp15,7, lockdown fmt B */
333
334#define	CPU_CT_xSIZE_LEN(x)	((x) & 0x3)		/* line size */
335#define	CPU_CT_xSIZE_M		(1U << 2)		/* multiplier */
336#define	CPU_CT_xSIZE_ASSOC(x)	(((x) >> 3) & 0x7)	/* associativity */
337#define	CPU_CT_xSIZE_SIZE(x)	(((x) >> 6) & 0x7)	/* size */
338
339#define	CPU_CT_ARMV7		0x4
340/* ARM v7 Cache type definitions */
341#define	CPUV7_CT_CTYPE_WT	(1U << 31)
342#define	CPUV7_CT_CTYPE_WB	(1 << 30)
343#define	CPUV7_CT_CTYPE_RA	(1 << 29)
344#define	CPUV7_CT_CTYPE_WA	(1 << 28)
345
346#define	CPUV7_CT_xSIZE_LEN(x)	((x) & 0x7)		/* line size */
347#define	CPUV7_CT_xSIZE_ASSOC(x)	(((x) >> 3) & 0x3ff)	/* associativity */
348#define	CPUV7_CT_xSIZE_SET(x)	(((x) >> 13) & 0x7fff)	/* num sets */
349
350#define	CPUV7_L2CTLR_NPROC_SHIFT	24
351#define	CPUV7_L2CTLR_NPROC(r)	((((r) >> CPUV7_L2CTLR_NPROC_SHIFT) & 3) + 1)
352
353#define	CPU_CLIDR_CTYPE(reg,x)	(((reg) >> ((x) * 3)) & 0x7)
354#define	CPU_CLIDR_LOUIS(reg)	(((reg) >> 21) & 0x7)
355#define	CPU_CLIDR_LOC(reg)	(((reg) >> 24) & 0x7)
356#define	CPU_CLIDR_LOUU(reg)	(((reg) >> 27) & 0x7)
357
358#define	CACHE_ICACHE		1
359#define	CACHE_DCACHE		2
360#define	CACHE_SEP_CACHE		3
361#define	CACHE_UNI_CACHE		4
362
363/* Fault status register definitions */
364#define FAULT_USER      0x10
365
366#if __ARM_ARCH < 6
367#define FAULT_TYPE_MASK 0x0f
368#define FAULT_WRTBUF_0  0x00 /* Vector Exception */
369#define FAULT_WRTBUF_1  0x02 /* Terminal Exception */
370#define FAULT_BUSERR_0  0x04 /* External Abort on Linefetch -- Section */
371#define FAULT_BUSERR_1  0x06 /* External Abort on Linefetch -- Page */
372#define FAULT_BUSERR_2  0x08 /* External Abort on Non-linefetch -- Section */
373#define FAULT_BUSERR_3  0x0a /* External Abort on Non-linefetch -- Page */
374#define FAULT_BUSTRNL1  0x0c /* External abort on Translation -- Level 1 */
375#define FAULT_BUSTRNL2  0x0e /* External abort on Translation -- Level 2 */
376#define FAULT_ALIGN_0   0x01 /* Alignment */
377#define FAULT_ALIGN_1   0x03 /* Alignment */
378#define FAULT_TRANS_S   0x05 /* Translation -- Section */
379#define FAULT_TRANS_F   0x06 /* Translation -- Flag */
380#define FAULT_TRANS_P   0x07 /* Translation -- Page */
381#define FAULT_DOMAIN_S  0x09 /* Domain -- Section */
382#define FAULT_DOMAIN_P  0x0b /* Domain -- Page */
383#define FAULT_PERM_S    0x0d /* Permission -- Section */
384#define FAULT_PERM_P    0x0f /* Permission -- Page */
385
386#define	FAULT_IMPRECISE	0x400	/* Imprecise exception (XSCALE) */
387#define	FAULT_EXTERNAL	0x400	/* External abort (armv6+) */
388#define	FAULT_WNR	0x800	/* Write-not-Read access (armv6+) */
389
390#else /* __ARM_ARCH < 6 */
391
392#define FAULT_ALIGN		0x001	/* Alignment Fault */
393#define FAULT_DEBUG		0x002	/* Debug Event */
394#define FAULT_ACCESS_L1		0x003	/* Access Bit (L1) */
395#define FAULT_ICACHE		0x004	/* Instruction cache maintenance */
396#define FAULT_TRAN_L1		0x005	/* Translation Fault (L1) */
397#define FAULT_ACCESS_L2		0x006	/* Access Bit (L2) */
398#define FAULT_TRAN_L2		0x007	/* Translation Fault (L2) */
399#define FAULT_EA_PREC		0x008	/* External Abort */
400#define FAULT_DOMAIN_L1		0x009	/* Domain Fault (L1) */
401#define FAULT_DOMAIN_L2		0x00B	/* Domain Fault (L2) */
402#define FAULT_EA_TRAN_L1	0x00C	/* External Translation Abort (L1) */
403#define FAULT_PERM_L1		0x00D	/* Permission Fault (L1) */
404#define FAULT_EA_TRAN_L2	0x00E	/* External Translation Abort (L2) */
405#define FAULT_PERM_L2		0x00F	/* Permission Fault (L2) */
406#define FAULT_TLB_CONFLICT	0x010	/* TLB Conflict Abort */
407#define FAULT_EA_IMPREC		0x016	/* Asynchronous External Abort */
408#define FAULT_PE_IMPREC		0x018	/* Asynchronous Parity Error */
409#define FAULT_PARITY		0x019	/* Parity Error */
410#define FAULT_PE_TRAN_L1	0x01C	/* Parity Error on Translation (L1) */
411#define FAULT_PE_TRAN_L2	0x01E	/* Parity Error on Translation (L2) */
412
413#define FSR_TO_FAULT(fsr)	(((fsr) & 0xF) | 			\
414				 ((((fsr) & (1 << 10)) >> (10 - 4))))
415#define FSR_LPAE		(1 <<  9) /* LPAE indicator */
416#define FSR_WNR			(1 << 11) /* Write-not-Read access */
417#define FSR_EXT			(1 << 12) /* DECERR/SLVERR for external*/
418#define FSR_CM			(1 << 13) /* Cache maintenance fault */
419#endif /* !__ARM_ARCH < 6 */
420
421/*
422 * Address of the vector page, low and high versions.
423 */
424#ifndef __ASSEMBLER__
425#define	ARM_VECTORS_LOW		0x00000000U
426#define	ARM_VECTORS_HIGH	0xffff0000U
427#else
428#define	ARM_VECTORS_LOW		0
429#define	ARM_VECTORS_HIGH	0xffff0000
430#endif
431
432/*
433 * ARM Instructions
434 *
435 *       3 3 2 2 2
436 *       1 0 9 8 7                                                     0
437 *      +-------+-------------------------------------------------------+
438 *      | cond  |              instruction dependant                    |
439 *      |c c c c|                                                       |
440 *      +-------+-------------------------------------------------------+
441 */
442
443#define INSN_SIZE		4		/* Always 4 bytes */
444#define INSN_COND_MASK		0xf0000000	/* Condition mask */
445#define INSN_COND_AL		0xe0000000	/* Always condition */
446
447/* ARM register defines */
448#define	ARM_REG_SIZE		4
449#define	ARM_REG_NUM_PC		15
450#define	ARM_REG_NUM_LR		14
451#define	ARM_REG_NUM_SP		13
452
453#define THUMB_INSN_SIZE		2		/* Some are 4 bytes.  */
454
455#endif /* !MACHINE_ARMREG_H */
456