xref: /freebsd/sys/arm/include/armreg.h (revision 0677dfd1c4dadb62482e2c72fa4c6720902128a4)
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  * $FreeBSD$
39  */
40 
41 #ifndef MACHINE_ARMREG_H
42 #define MACHINE_ARMREG_H
43 
44 #define INSN_SIZE	4
45 #define INSN_COND_MASK	0xf0000000	/* Condition mask */
46 #define PSR_MODE        0x0000001f      /* mode mask */
47 #define PSR_USR32_MODE  0x00000010
48 #define PSR_FIQ32_MODE  0x00000011
49 #define PSR_IRQ32_MODE  0x00000012
50 #define PSR_SVC32_MODE  0x00000013
51 #define PSR_MON32_MODE	0x00000016
52 #define PSR_ABT32_MODE  0x00000017
53 #define PSR_HYP32_MODE	0x0000001a
54 #define PSR_UND32_MODE  0x0000001b
55 #define PSR_SYS32_MODE  0x0000001f
56 #define PSR_32_MODE     0x00000010
57 #define PSR_T		0x00000020	/* Instruction set bit */
58 #define PSR_F		0x00000040	/* FIQ disable bit */
59 #define PSR_I		0x00000080	/* IRQ disable bit */
60 #define PSR_A		0x00000100	/* Imprecise abort bit */
61 #define PSR_E		0x00000200	/* Data endianess bit */
62 #define PSR_GE		0x000f0000	/* Greater than or equal to bits */
63 #define PSR_J		0x01000000	/* Java bit */
64 #define PSR_Q		0x08000000	/* Sticky overflow bit */
65 #define PSR_V		0x10000000	/* Overflow bit */
66 #define PSR_C		0x20000000	/* Carry bit */
67 #define PSR_Z		0x40000000	/* Zero bit */
68 #define PSR_N		0x80000000	/* Negative bit */
69 #define PSR_FLAGS	0xf0000000	/* Flags mask. */
70 
71 /* The high-order byte is always the implementor */
72 #define CPU_ID_IMPLEMENTOR_MASK	0xff000000
73 #define CPU_ID_ARM_LTD		0x41000000 /* 'A' */
74 #define CPU_ID_DEC		0x44000000 /* 'D' */
75 #define CPU_ID_INTEL		0x69000000 /* 'i' */
76 #define	CPU_ID_TI		0x54000000 /* 'T' */
77 #define	CPU_ID_FARADAY		0x66000000 /* 'f' */
78 
79 /* How to decide what format the CPUID is in. */
80 #define CPU_ID_ISOLD(x)		(((x) & 0x0000f000) == 0x00000000)
81 #define CPU_ID_IS7(x)		(((x) & 0x0000f000) == 0x00007000)
82 #define CPU_ID_ISNEW(x)		(!CPU_ID_ISOLD(x) && !CPU_ID_IS7(x))
83 
84 /* On recent ARMs this byte holds the architecture and variant (sub-model) */
85 #define CPU_ID_ARCH_MASK	0x000f0000
86 #define CPU_ID_ARCH_V3		0x00000000
87 #define CPU_ID_ARCH_V4		0x00010000
88 #define CPU_ID_ARCH_V4T		0x00020000
89 #define CPU_ID_ARCH_V5		0x00030000
90 #define CPU_ID_ARCH_V5T		0x00040000
91 #define CPU_ID_ARCH_V5TE	0x00050000
92 #define CPU_ID_ARCH_V5TEJ	0x00060000
93 #define CPU_ID_ARCH_V6		0x00070000
94 #define CPU_ID_CPUID_SCHEME	0x000f0000
95 #define CPU_ID_VARIANT_MASK	0x00f00000
96 
97 /* Next three nybbles are part number */
98 #define CPU_ID_PARTNO_MASK	0x0000fff0
99 
100 /* Intel XScale has sub fields in part number */
101 #define CPU_ID_XSCALE_COREGEN_MASK	0x0000e000 /* core generation */
102 #define CPU_ID_XSCALE_COREREV_MASK	0x00001c00 /* core revision */
103 #define CPU_ID_XSCALE_PRODUCT_MASK	0x000003f0 /* product number */
104 
105 /* And finally, the revision number. */
106 #define CPU_ID_REVISION_MASK	0x0000000f
107 
108 /* Individual CPUs are probably best IDed by everything but the revision. */
109 #define CPU_ID_CPU_MASK		0xfffffff0
110 
111 /* ARM9 and later CPUs */
112 #define CPU_ID_ARM920T		0x41129200
113 #define CPU_ID_ARM920T_ALT	0x41009200
114 #define CPU_ID_ARM922T		0x41029220
115 #define CPU_ID_ARM926EJS	0x41069260
116 #define CPU_ID_ARM940T		0x41029400 /* XXX no MMU */
117 #define CPU_ID_ARM946ES		0x41049460 /* XXX no MMU */
118 #define	CPU_ID_ARM966ES		0x41049660 /* XXX no MMU */
119 #define	CPU_ID_ARM966ESR1	0x41059660 /* XXX no MMU */
120 #define CPU_ID_ARM1020E		0x4115a200 /* (AKA arm10 rev 1) */
121 #define CPU_ID_ARM1022ES	0x4105a220
122 #define CPU_ID_ARM1026EJS	0x4106a260
123 #define CPU_ID_ARM1136JS	0x4107b360
124 #define CPU_ID_ARM1136JSR1	0x4117b360
125 #define CPU_ID_ARM1176JZS	0x410fb760
126 #define CPU_ID_CORTEXA5 	0x410fc050
127 #define CPU_ID_CORTEXA7 	0x410fc070
128 #define CPU_ID_CORTEXA8R1	0x411fc080
129 #define CPU_ID_CORTEXA8R2	0x412fc080
130 #define CPU_ID_CORTEXA8R3	0x413fc080
131 #define CPU_ID_CORTEXA9R1	0x411fc090
132 #define CPU_ID_CORTEXA9R2	0x412fc090
133 #define CPU_ID_CORTEXA9R3	0x413fc090
134 #define CPU_ID_CORTEXA15R0	0x410fc0f0
135 #define CPU_ID_CORTEXA15R1	0x411fc0f0
136 #define CPU_ID_CORTEXA15R2	0x412fc0f0
137 #define CPU_ID_CORTEXA15R3	0x413fc0f0
138 #define	CPU_ID_KRAIT		0x510f06f0 /* Snapdragon S4 Pro/APQ8064 */
139 #define	CPU_ID_TI925T		0x54029250
140 #define CPU_ID_MV88FR131	0x56251310 /* Marvell Feroceon 88FR131 Core */
141 #define CPU_ID_MV88FR331	0x56153310 /* Marvell Feroceon 88FR331 Core */
142 #define CPU_ID_MV88FR571_VD	0x56155710 /* Marvell Feroceon 88FR571-VD Core (ID from datasheet) */
143 
144 /*
145  * LokiPlus core has also ID set to 0x41159260 and this define cause execution of unsupported
146  * L2-cache instructions so need to disable it. 0x41159260 is a generic ARM926E-S ID.
147  */
148 #ifdef SOC_MV_LOKIPLUS
149 #define CPU_ID_MV88FR571_41	0x00000000
150 #else
151 #define CPU_ID_MV88FR571_41	0x41159260 /* Marvell Feroceon 88FR571-VD Core (actual ID from CPU reg) */
152 #endif
153 
154 #define CPU_ID_MV88SV581X_V7		0x561F5810 /* Marvell Sheeva 88SV581x v7 Core */
155 #define CPU_ID_MV88SV584X_V7		0x562F5840 /* Marvell Sheeva 88SV584x v7 Core */
156 /* Marvell's CPUIDs with ARM ID in implementor field */
157 #define CPU_ID_ARM_88SV581X_V7		0x413FC080 /* Marvell Sheeva 88SV581x v7 Core */
158 
159 #define	CPU_ID_FA526		0x66015260
160 #define	CPU_ID_FA626TE		0x66056260
161 #define CPU_ID_80200		0x69052000
162 #define CPU_ID_PXA250    	0x69052100 /* sans core revision */
163 #define CPU_ID_PXA210    	0x69052120
164 #define CPU_ID_PXA250A		0x69052100 /* 1st version Core */
165 #define CPU_ID_PXA210A		0x69052120 /* 1st version Core */
166 #define CPU_ID_PXA250B		0x69052900 /* 3rd version Core */
167 #define CPU_ID_PXA210B		0x69052920 /* 3rd version Core */
168 #define CPU_ID_PXA250C		0x69052d00 /* 4th version Core */
169 #define CPU_ID_PXA210C		0x69052d20 /* 4th version Core */
170 #define	CPU_ID_PXA27X		0x69054110
171 #define	CPU_ID_80321_400	0x69052420
172 #define	CPU_ID_80321_600	0x69052430
173 #define	CPU_ID_80321_400_B0	0x69052c20
174 #define	CPU_ID_80321_600_B0	0x69052c30
175 #define	CPU_ID_80219_400	0x69052e20 /* A0 stepping/revision. */
176 #define	CPU_ID_80219_600	0x69052e30 /* A0 stepping/revision. */
177 #define	CPU_ID_81342		0x69056810
178 #define	CPU_ID_IXP425		0x690541c0
179 #define	CPU_ID_IXP425_533	0x690541c0
180 #define	CPU_ID_IXP425_400	0x690541d0
181 #define	CPU_ID_IXP425_266	0x690541f0
182 #define	CPU_ID_IXP435		0x69054040
183 #define	CPU_ID_IXP465		0x69054200
184 
185 /* CPUID registers */
186 #define ARM_PFR0_ARM_ISA_MASK	0x0000000f
187 
188 #define ARM_PFR0_THUMB_MASK	0x000000f0
189 #define ARM_PFR0_THUMB		0x10
190 #define ARM_PFR0_THUMB2		0x30
191 
192 #define ARM_PFR0_JAZELLE_MASK	0x00000f00
193 #define ARM_PFR0_THUMBEE_MASK	0x0000f000
194 
195 #define ARM_PFR1_ARMV4_MASK	0x0000000f
196 #define ARM_PFR1_SEC_EXT_MASK	0x000000f0
197 #define ARM_PFR1_MICROCTRL_MASK	0x00000f00
198 
199 /*
200  * Post-ARM3 CP15 registers:
201  *
202  *	1	Control register
203  *
204  *	2	Translation Table Base
205  *
206  *	3	Domain Access Control
207  *
208  *	4	Reserved
209  *
210  *	5	Fault Status
211  *
212  *	6	Fault Address
213  *
214  *	7	Cache/write-buffer Control
215  *
216  *	8	TLB Control
217  *
218  *	9	Cache Lockdown
219  *
220  *	10	TLB Lockdown
221  *
222  *	11	Reserved
223  *
224  *	12	Reserved
225  *
226  *	13	Process ID (for FCSE)
227  *
228  *	14	Reserved
229  *
230  *	15	Implementation Dependent
231  */
232 
233 /* Some of the definitions below need cleaning up for V3/V4 architectures */
234 
235 /* CPU control register (CP15 register 1) */
236 #define CPU_CONTROL_MMU_ENABLE	0x00000001 /* M: MMU/Protection unit enable */
237 #define CPU_CONTROL_AFLT_ENABLE	0x00000002 /* A: Alignment fault enable */
238 #define CPU_CONTROL_DC_ENABLE	0x00000004 /* C: IDC/DC enable */
239 #define CPU_CONTROL_WBUF_ENABLE 0x00000008 /* W: Write buffer enable */
240 #define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */
241 #define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */
242 #define CPU_CONTROL_LABT_ENABLE 0x00000040 /* L: Late abort enable */
243 #define CPU_CONTROL_BEND_ENABLE 0x00000080 /* B: Big-endian mode */
244 #define CPU_CONTROL_SYST_ENABLE 0x00000100 /* S: System protection bit */
245 #define CPU_CONTROL_ROM_ENABLE	0x00000200 /* R: ROM protection bit */
246 #define CPU_CONTROL_CPCLK	0x00000400 /* F: Implementation defined */
247 #define CPU_CONTROL_SW_ENABLE	0x00000400 /* SW: SWP instruction enable */
248 #define CPU_CONTROL_BPRD_ENABLE 0x00000800 /* Z: Branch prediction enable */
249 #define CPU_CONTROL_IC_ENABLE   0x00001000 /* I: IC enable */
250 #define CPU_CONTROL_VECRELOC	0x00002000 /* V: Vector relocation */
251 #define CPU_CONTROL_ROUNDROBIN	0x00004000 /* RR: Predictable replacement */
252 #define CPU_CONTROL_V4COMPAT	0x00008000 /* L4: ARMv4 compat LDR R15 etc */
253 #define CPU_CONTROL_HAF_ENABLE	0x00020000 /* HA: Hardware Access Flag Enable */
254 #define CPU_CONTROL_FI_ENABLE	0x00200000 /* FI: Low interrupt latency */
255 #define CPU_CONTROL_UNAL_ENABLE 0x00400000 /* U: unaligned data access */
256 #define CPU_CONTROL_V6_EXTPAGE	0x00800000 /* XP: ARMv6 extended page tables */
257 #define CPU_CONTROL_V_ENABLE	0x01000000 /* VE: Interrupt vectors enable */
258 #define CPU_CONTROL_EX_BEND	0x02000000 /* EE: exception endianness */
259 #define CPU_CONTROL_L2_ENABLE	0x04000000 /* L2 Cache enabled */
260 #define CPU_CONTROL_NMFI	0x08000000 /* NMFI: Non maskable FIQ */
261 #define CPU_CONTROL_TR_ENABLE	0x10000000 /* TRE: TEX Remap*/
262 #define CPU_CONTROL_AF_ENABLE	0x20000000 /* AFE: Access Flag enable */
263 #define CPU_CONTROL_TE_ENABLE	0x40000000 /* TE: Thumb Exception enable */
264 
265 #define CPU_CONTROL_IDC_ENABLE	CPU_CONTROL_DC_ENABLE
266 
267 /* ARM11x6 Auxiliary Control Register (CP15 register 1, opcode2 1) */
268 #define	ARM11X6_AUXCTL_RS	0x00000001 /* return stack */
269 #define	ARM11X6_AUXCTL_DB	0x00000002 /* dynamic branch prediction */
270 #define	ARM11X6_AUXCTL_SB	0x00000004 /* static branch prediction */
271 #define	ARM11X6_AUXCTL_TR	0x00000008 /* MicroTLB replacement strat. */
272 #define	ARM11X6_AUXCTL_EX	0x00000010 /* exclusive L1/L2 cache */
273 #define	ARM11X6_AUXCTL_RA	0x00000020 /* clean entire cache disable */
274 #define	ARM11X6_AUXCTL_RV	0x00000040 /* block transfer cache disable */
275 #define	ARM11X6_AUXCTL_CZ	0x00000080 /* restrict cache size */
276 
277 /* ARM1136 Auxiliary Control Register (CP15 register 1, opcode2 1) */
278 #define ARM1136_AUXCTL_PFI	0x80000000 /* PFI: partial FI mode. */
279 					   /* This is an undocumented flag
280 					    * used to work around a cache bug
281 					    * in r0 steppings. See errata
282 					    * 364296.
283 					    */
284 /* ARM1176 Auxiliary Control Register (CP15 register 1, opcode2 1) */
285 #define	ARM1176_AUXCTL_PHD	0x10000000 /* inst. prefetch halting disable */
286 #define	ARM1176_AUXCTL_BFD	0x20000000 /* branch folding disable */
287 #define	ARM1176_AUXCTL_FSD	0x40000000 /* force speculative ops disable */
288 #define	ARM1176_AUXCTL_FIO	0x80000000 /* low intr latency override */
289 
290 /* XScale Auxillary Control Register (CP15 register 1, opcode2 1) */
291 #define	XSCALE_AUXCTL_K		0x00000001 /* dis. write buffer coalescing */
292 #define	XSCALE_AUXCTL_P		0x00000002 /* ECC protect page table access */
293 /* Note: XSCale core 3 uses those for LLR DCcahce attributes */
294 #define	XSCALE_AUXCTL_MD_WB_RA	0x00000000 /* mini-D$ wb, read-allocate */
295 #define	XSCALE_AUXCTL_MD_WB_RWA	0x00000010 /* mini-D$ wb, read/write-allocate */
296 #define	XSCALE_AUXCTL_MD_WT	0x00000020 /* mini-D$ wt, read-allocate */
297 #define	XSCALE_AUXCTL_MD_MASK	0x00000030
298 
299 /* Xscale Core 3 only */
300 #define XSCALE_AUXCTL_LLR	0x00000400 /* Enable L2 for LLR Cache */
301 
302 /* Marvell Extra Features Register (CP15 register 1, opcode2 0) */
303 #define MV_DC_REPLACE_LOCK	0x80000000 /* Replace DCache Lock */
304 #define MV_DC_STREAM_ENABLE	0x20000000 /* DCache Streaming Switch */
305 #define MV_WA_ENABLE		0x10000000 /* Enable Write Allocate */
306 #define MV_L2_PREFETCH_DISABLE	0x01000000 /* L2 Cache Prefetch Disable */
307 #define MV_L2_INV_EVICT_ERR	0x00800000 /* L2 Invalidates Uncorrectable Error Line Eviction */
308 #define MV_L2_ENABLE		0x00400000 /* L2 Cache enable */
309 #define MV_IC_REPLACE_LOCK	0x00080000 /* Replace ICache Lock */
310 #define MV_BGH_ENABLE		0x00040000 /* Branch Global History Register Enable */
311 #define MV_BTB_DISABLE		0x00020000 /* Branch Target Buffer Disable */
312 #define MV_L1_PARERR_ENABLE	0x00010000 /* L1 Parity Error Enable */
313 
314 /* Cache type register definitions */
315 #define	CPU_CT_ISIZE(x)		((x) & 0xfff)		/* I$ info */
316 #define	CPU_CT_DSIZE(x)		(((x) >> 12) & 0xfff)	/* D$ info */
317 #define	CPU_CT_S		(1U << 24)		/* split cache */
318 #define	CPU_CT_CTYPE(x)		(((x) >> 25) & 0xf)	/* cache type */
319 #define	CPU_CT_FORMAT(x)	((x) >> 29)
320 
321 #define	CPU_CT_CTYPE_WT		0	/* write-through */
322 #define	CPU_CT_CTYPE_WB1	1	/* write-back, clean w/ read */
323 #define	CPU_CT_CTYPE_WB2	2	/* w/b, clean w/ cp15,7 */
324 #define	CPU_CT_CTYPE_WB6	6	/* w/b, cp15,7, lockdown fmt A */
325 #define	CPU_CT_CTYPE_WB7	7	/* w/b, cp15,7, lockdown fmt B */
326 
327 #define	CPU_CT_xSIZE_LEN(x)	((x) & 0x3)		/* line size */
328 #define	CPU_CT_xSIZE_M		(1U << 2)		/* multiplier */
329 #define	CPU_CT_xSIZE_ASSOC(x)	(((x) >> 3) & 0x7)	/* associativity */
330 #define	CPU_CT_xSIZE_SIZE(x)	(((x) >> 6) & 0x7)	/* size */
331 
332 #define	CPU_CT_ARMV7		0x4
333 /* ARM v7 Cache type definitions */
334 #define	CPUV7_CT_CTYPE_WT	(1U << 31)
335 #define	CPUV7_CT_CTYPE_WB	(1 << 30)
336 #define	CPUV7_CT_CTYPE_RA	(1 << 29)
337 #define	CPUV7_CT_CTYPE_WA	(1 << 28)
338 
339 #define	CPUV7_CT_xSIZE_LEN(x)	((x) & 0x7)		/* line size */
340 #define	CPUV7_CT_xSIZE_ASSOC(x)	(((x) >> 3) & 0x3ff)	/* associativity */
341 #define	CPUV7_CT_xSIZE_SET(x)	(((x) >> 13) & 0x7fff)	/* num sets */
342 
343 #define	CPU_CLIDR_CTYPE(reg,x)	(((reg) >> ((x) * 3)) & 0x7)
344 #define	CPU_CLIDR_LOUIS(reg)	(((reg) >> 21) & 0x7)
345 #define	CPU_CLIDR_LOC(reg)	(((reg) >> 24) & 0x7)
346 #define	CPU_CLIDR_LOUU(reg)	(((reg) >> 27) & 0x7)
347 
348 #define	CACHE_ICACHE		1
349 #define	CACHE_DCACHE		2
350 #define	CACHE_SEP_CACHE		3
351 #define	CACHE_UNI_CACHE		4
352 
353 /* Fault status register definitions */
354 
355 #define FAULT_TYPE_MASK 0x0f
356 #define FAULT_USER      0x10
357 
358 #define FAULT_WRTBUF_0  0x00 /* Vector Exception */
359 #define FAULT_WRTBUF_1  0x02 /* Terminal Exception */
360 #define FAULT_BUSERR_0  0x04 /* External Abort on Linefetch -- Section */
361 #define FAULT_BUSERR_1  0x06 /* External Abort on Linefetch -- Page */
362 #define FAULT_BUSERR_2  0x08 /* External Abort on Non-linefetch -- Section */
363 #define FAULT_BUSERR_3  0x0a /* External Abort on Non-linefetch -- Page */
364 #define FAULT_BUSTRNL1  0x0c /* External abort on Translation -- Level 1 */
365 #define FAULT_BUSTRNL2  0x0e /* External abort on Translation -- Level 2 */
366 #define FAULT_ALIGN_0   0x01 /* Alignment */
367 #define FAULT_ALIGN_1   0x03 /* Alignment */
368 #define FAULT_TRANS_S   0x05 /* Translation -- Section */
369 #define FAULT_TRANS_F   0x06 /* Translation -- Flag */
370 #define FAULT_TRANS_P   0x07 /* Translation -- Page */
371 #define FAULT_DOMAIN_S  0x09 /* Domain -- Section */
372 #define FAULT_DOMAIN_P  0x0b /* Domain -- Page */
373 #define FAULT_PERM_S    0x0d /* Permission -- Section */
374 #define FAULT_PERM_P    0x0f /* Permission -- Page */
375 
376 #define	FAULT_IMPRECISE	0x400	/* Imprecise exception (XSCALE) */
377 #define	FAULT_EXTERNAL	0x400	/* External abort (armv6+) */
378 #define	FAULT_WNR	0x800	/* Write-not-Read access (armv6+) */
379 
380 /* Fault status register definitions - v6+ */
381 #define	FSR_STATUS_TO_IDX(fsr)	(((fsr) & 0xF) | 			\
382 				 (((fsr) & (1 << 10)>> (10 - 4))))
383 #define	FSR_LPAE		(1 <<  9) /* LPAE indicator */
384 #define	FSR_WNR			(1 << 11) /* Write-not-Read access */
385 #define	FSR_EXT			(1 << 12) /* DECERR/SLVERR for external*/
386 #define	FSR_CM			(1 << 13) /* Cache maintenance fault */
387 
388 
389 /*
390  * Address of the vector page, low and high versions.
391  */
392 #ifndef __ASSEMBLER__
393 #define	ARM_VECTORS_LOW		0x00000000U
394 #define	ARM_VECTORS_HIGH	0xffff0000U
395 #else
396 #define	ARM_VECTORS_LOW		0
397 #define	ARM_VECTORS_HIGH	0xffff0000
398 #endif
399 
400 /*
401  * ARM Instructions
402  *
403  *       3 3 2 2 2
404  *       1 0 9 8 7                                                     0
405  *      +-------+-------------------------------------------------------+
406  *      | cond  |              instruction dependant                    |
407  *      |c c c c|                                                       |
408  *      +-------+-------------------------------------------------------+
409  */
410 
411 #define INSN_SIZE		4		/* Always 4 bytes */
412 #define INSN_COND_MASK		0xf0000000	/* Condition mask */
413 #define INSN_COND_AL		0xe0000000	/* Always condition */
414 
415 #define THUMB_INSN_SIZE		2		/* Some are 4 bytes.  */
416 
417 #endif /* !MACHINE_ARMREG_H */
418