1 /* $NetBSD: armreg.h,v 1.40 2008/08/06 19:06:40 matt Exp $ */
4 * Copyright (c) 1998, 2001 Ben Harris
5 * Copyright (c) 1994-1996 Mark Brinicombe.
6 * Copyright (c) 1994 Brini.
9 * This code is derived from software written for Brini by Mark Brinicombe
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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.
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
43 * ARM Process Status Register
45 * The picture in the ARM manuals looks like this:
47 * 1 0 9 8 7 6 8 7 6 5 4 0
48 * +-+-+-+-+-+-------------------------------------+-+-+-+---------+
49 * |N|Z|C|V|Q| reserved |I|F|T|M M M M M|
50 * | | | | | | | | | |4 3 2 1 0|
51 * +-+-+-+-+-+-------------------------------------+-+-+-+---------+
54 #define PSR_FLAGS 0xf0000000 /* flags */
55 #define PSR_N_bit (1 << 31) /* negative */
56 #define PSR_Z_bit (1 << 30) /* zero */
57 #define PSR_C_bit (1 << 29) /* carry */
58 #define PSR_V_bit (1 << 28) /* overflow */
60 #define PSR_Q_bit (1 << 27) /* saturation */
62 #define I32_bit (1 << 7) /* IRQ disable */
63 #define F32_bit (1 << 6) /* FIQ disable */
64 #define IF32_bits (3 << 6) /* IRQ/FIQ disable */
66 #define PSR_T_bit (1 << 5) /* Thumb state */
67 #define PSR_J_bit (1 << 24) /* Java mode */
69 #define PSR_MODE 0x0000001f /* mode mask */
70 #define PSR_USR26_MODE 0x00000000
71 #define PSR_FIQ26_MODE 0x00000001
72 #define PSR_IRQ26_MODE 0x00000002
73 #define PSR_SVC26_MODE 0x00000003
74 #define PSR_USR32_MODE 0x00000010
75 #define PSR_FIQ32_MODE 0x00000011
76 #define PSR_IRQ32_MODE 0x00000012
77 #define PSR_SVC32_MODE 0x00000013
78 #define PSR_ABT32_MODE 0x00000017
79 #define PSR_UND32_MODE 0x0000001b
80 #define PSR_SYS32_MODE 0x0000001f
81 #define PSR_32_MODE 0x00000010
83 #define PSR_IN_USR_MODE(psr) (!((psr) & 3)) /* XXX */
84 #define PSR_IN_32_MODE(psr) ((psr) & PSR_32_MODE)
86 /* In 26-bit modes, the PSR is stuffed into R15 along with the PC. */
88 #define R15_MODE 0x00000003
89 #define R15_MODE_USR 0x00000000
90 #define R15_MODE_FIQ 0x00000001
91 #define R15_MODE_IRQ 0x00000002
92 #define R15_MODE_SVC 0x00000003
94 #define R15_PC 0x03fffffc
96 #define R15_FIQ_DISABLE 0x04000000
97 #define R15_IRQ_DISABLE 0x08000000
99 #define R15_FLAGS 0xf0000000
100 #define R15_FLAG_N 0x80000000
101 #define R15_FLAG_Z 0x40000000
102 #define R15_FLAG_C 0x20000000
103 #define R15_FLAG_V 0x10000000
106 * Co-processor 15: The system control co-processor.
109 #define ARM_CP15_CPU_ID 0
112 * The CPU ID register is theoretically structured, but the definitions of
113 * the fields keep changing.
116 /* The high-order byte is always the implementor */
117 #define CPU_ID_IMPLEMENTOR_MASK 0xff000000
118 #define CPU_ID_ARM_LTD 0x41000000 /* 'A' */
119 #define CPU_ID_DEC 0x44000000 /* 'D' */
120 #define CPU_ID_INTEL 0x69000000 /* 'i' */
121 #define CPU_ID_TI 0x54000000 /* 'T' */
122 #define CPU_ID_FARADAY 0x66000000 /* 'f' */
124 /* How to decide what format the CPUID is in. */
125 #define CPU_ID_ISOLD(x) (((x) & 0x0000f000) == 0x00000000)
126 #define CPU_ID_IS7(x) (((x) & 0x0000f000) == 0x00007000)
127 #define CPU_ID_ISNEW(x) (!CPU_ID_ISOLD(x) && !CPU_ID_IS7(x))
129 /* On ARM3 and ARM6, this byte holds the foundry ID. */
130 #define CPU_ID_FOUNDRY_MASK 0x00ff0000
131 #define CPU_ID_FOUNDRY_VLSI 0x00560000
133 /* On ARM7 it holds the architecture and variant (sub-model) */
134 #define CPU_ID_7ARCH_MASK 0x00800000
135 #define CPU_ID_7ARCH_V3 0x00000000
136 #define CPU_ID_7ARCH_V4T 0x00800000
137 #define CPU_ID_7VARIANT_MASK 0x007f0000
139 /* On more recent ARMs, it does the same, but in a different format */
140 #define CPU_ID_ARCH_MASK 0x000f0000
141 #define CPU_ID_ARCH_V3 0x00000000
142 #define CPU_ID_ARCH_V4 0x00010000
143 #define CPU_ID_ARCH_V4T 0x00020000
144 #define CPU_ID_ARCH_V5 0x00030000
145 #define CPU_ID_ARCH_V5T 0x00040000
146 #define CPU_ID_ARCH_V5TE 0x00050000
147 #define CPU_ID_ARCH_V5TEJ 0x00060000
148 #define CPU_ID_ARCH_V6 0x00070000
149 #define CPU_ID_VARIANT_MASK 0x00f00000
151 /* Next three nybbles are part number */
152 #define CPU_ID_PARTNO_MASK 0x0000fff0
154 /* Intel XScale has sub fields in part number */
155 #define CPU_ID_XSCALE_COREGEN_MASK 0x0000e000 /* core generation */
156 #define CPU_ID_XSCALE_COREREV_MASK 0x00001c00 /* core revision */
157 #define CPU_ID_XSCALE_PRODUCT_MASK 0x000003f0 /* product number */
159 /* And finally, the revision number. */
160 #define CPU_ID_REVISION_MASK 0x0000000f
162 /* Individual CPUs are probably best IDed by everything but the revision. */
163 #define CPU_ID_CPU_MASK 0xfffffff0
165 /* Fake CPU IDs for ARMs without CP15 */
166 #define CPU_ID_ARM2 0x41560200
167 #define CPU_ID_ARM250 0x41560250
169 /* Pre-ARM7 CPUs -- [15:12] == 0 */
170 #define CPU_ID_ARM3 0x41560300
171 #define CPU_ID_ARM600 0x41560600
172 #define CPU_ID_ARM610 0x41560610
173 #define CPU_ID_ARM620 0x41560620
175 /* ARM7 CPUs -- [15:12] == 7 */
176 #define CPU_ID_ARM700 0x41007000 /* XXX This is a guess. */
177 #define CPU_ID_ARM710 0x41007100
178 #define CPU_ID_ARM7500 0x41027100
179 #define CPU_ID_ARM710A 0x41047100 /* inc ARM7100 */
180 #define CPU_ID_ARM7500FE 0x41077100
181 #define CPU_ID_ARM710T 0x41807100
182 #define CPU_ID_ARM720T 0x41807200
183 #define CPU_ID_ARM740T8K 0x41807400 /* XXX no MMU, 8KB cache */
184 #define CPU_ID_ARM740T4K 0x41817400 /* XXX no MMU, 4KB cache */
187 #define CPU_ID_ARM810 0x41018100
188 #define CPU_ID_ARM920T 0x41129200
189 #define CPU_ID_ARM922T 0x41029220
190 #define CPU_ID_ARM926EJS 0x41069260
191 #define CPU_ID_ARM940T 0x41029400 /* XXX no MMU */
192 #define CPU_ID_ARM946ES 0x41049460 /* XXX no MMU */
193 #define CPU_ID_ARM966ES 0x41049660 /* XXX no MMU */
194 #define CPU_ID_ARM966ESR1 0x41059660 /* XXX no MMU */
195 #define CPU_ID_ARM1020E 0x4115a200 /* (AKA arm10 rev 1) */
196 #define CPU_ID_ARM1022ES 0x4105a220
197 #define CPU_ID_ARM1026EJS 0x4106a260
198 #define CPU_ID_ARM1136JS 0x4107b360
199 #define CPU_ID_ARM1136JSR1 0x4117b360
200 #define CPU_ID_ARM1176JS 0x410fb760
201 #define CPU_ID_CORTEXA8R1 0x411fc080
202 #define CPU_ID_CORTEXA8R2 0x412fc080
203 #define CPU_ID_SA110 0x4401a100
204 #define CPU_ID_SA1100 0x4401a110
205 #define CPU_ID_TI925T 0x54029250
206 #define CPU_ID_FA526 0x66015260
207 #define CPU_ID_SA1110 0x6901b110
208 #define CPU_ID_IXP1200 0x6901c120
209 #define CPU_ID_80200 0x69052000
210 #define CPU_ID_PXA250 0x69052100 /* sans core revision */
211 #define CPU_ID_PXA210 0x69052120
212 #define CPU_ID_PXA250A 0x69052100 /* 1st version Core */
213 #define CPU_ID_PXA210A 0x69052120 /* 1st version Core */
214 #define CPU_ID_PXA250B 0x69052900 /* 3rd version Core */
215 #define CPU_ID_PXA210B 0x69052920 /* 3rd version Core */
216 #define CPU_ID_PXA250C 0x69052d00 /* 4th version Core */
217 #define CPU_ID_PXA210C 0x69052d20 /* 4th version Core */
218 #define CPU_ID_PXA27X 0x69054110
219 #define CPU_ID_80321_400 0x69052420
220 #define CPU_ID_80321_600 0x69052430
221 #define CPU_ID_80321_400_B0 0x69052c20
222 #define CPU_ID_80321_600_B0 0x69052c30
223 #define CPU_ID_80219_400 0x69052e20
224 #define CPU_ID_80219_600 0x69052e30
225 #define CPU_ID_IXP425_533 0x690541c0
226 #define CPU_ID_IXP425_400 0x690541d0
227 #define CPU_ID_IXP425_266 0x690541f0
229 /* ARM3-specific coprocessor 15 registers */
230 #define ARM3_CP15_FLUSH 1
231 #define ARM3_CP15_CONTROL 2
232 #define ARM3_CP15_CACHEABLE 3
233 #define ARM3_CP15_UPDATEABLE 4
234 #define ARM3_CP15_DISRUPTIVE 5
236 /* ARM3 Control register bits */
237 #define ARM3_CTL_CACHE_ON 0x00000001
238 #define ARM3_CTL_SHARED 0x00000002
239 #define ARM3_CTL_MONITOR 0x00000004
242 * Post-ARM3 CP15 registers:
246 * 2 Translation Table Base
248 * 3 Domain Access Control
256 * 7 Cache/write-buffer Control
268 * 13 Process ID (for FCSE)
272 * 15 Implementation Dependent
275 /* Some of the definitions below need cleaning up for V3/V4 architectures */
277 /* CPU control register (CP15 register 1) */
278 #define CPU_CONTROL_MMU_ENABLE 0x00000001 /* M: MMU/Protection unit enable */
279 #define CPU_CONTROL_AFLT_ENABLE 0x00000002 /* A: Alignment fault enable */
280 #define CPU_CONTROL_DC_ENABLE 0x00000004 /* C: IDC/DC enable */
281 #define CPU_CONTROL_WBUF_ENABLE 0x00000008 /* W: Write buffer enable */
282 #define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */
283 #define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */
284 #define CPU_CONTROL_LABT_ENABLE 0x00000040 /* L: Late abort enable */
285 #define CPU_CONTROL_BEND_ENABLE 0x00000080 /* B: Big-endian mode */
286 #define CPU_CONTROL_SYST_ENABLE 0x00000100 /* S: System protection bit */
287 #define CPU_CONTROL_ROM_ENABLE 0x00000200 /* R: ROM protection bit */
288 #define CPU_CONTROL_CPCLK 0x00000400 /* F: Implementation defined */
289 #define CPU_CONTROL_BPRD_ENABLE 0x00000800 /* Z: Branch prediction enable */
290 #define CPU_CONTROL_IC_ENABLE 0x00001000 /* I: IC enable */
291 #define CPU_CONTROL_VECRELOC 0x00002000 /* V: Vector relocation */
292 #define CPU_CONTROL_ROUNDROBIN 0x00004000 /* RR: Predictable replacement */
293 #define CPU_CONTROL_V4COMPAT 0x00008000 /* L4: ARMv4 compat LDR R15 etc */
294 #define CPU_CONTROL_UNAL_ENABLE 0x00040000 /* U: unaligned data access */
295 #define CPU_CONTROL_XP_ENABLE 0x00080000 /* XP: extended page table */
296 #define CPU_CONTROL_FI_ENABLE 0x00200000 /* FI: Low interrupt latency */
298 #define CPU_CONTROL_IDC_ENABLE CPU_CONTROL_DC_ENABLE
300 /* ARM11r0 Auxillary Control Register (CP15 register 1, opcode2 1) */
301 #define ARM11R0_AUXCTL_PFI 0x80000000 /* PFI: partial FI mode. */
302 /* This is an undocumented flag
303 * used to work around a cache bug
304 * in r0 steppings. See errata
308 /* XScale Auxillary Control Register (CP15 register 1, opcode2 1) */
309 #define XSCALE_AUXCTL_K 0x00000001 /* dis. write buffer coalescing */
310 #define XSCALE_AUXCTL_P 0x00000002 /* ECC protect page table access */
311 #define XSCALE_AUXCTL_MD_WB_RA 0x00000000 /* mini-D$ wb, read-allocate */
312 #define XSCALE_AUXCTL_MD_WB_RWA 0x00000010 /* mini-D$ wb, read/write-allocate */
313 #define XSCALE_AUXCTL_MD_WT 0x00000020 /* mini-D$ wt, read-allocate */
314 #define XSCALE_AUXCTL_MD_MASK 0x00000030
316 /* Cache type register definitions 0 */
317 #define CPU_CT_FORMAT(x) (((x) >> 29) & 0x7) /* reg format */
318 #define CPU_CT_ISIZE(x) ((x) & 0xfff) /* I$ info */
319 #define CPU_CT_DSIZE(x) (((x) >> 12) & 0xfff) /* D$ info */
320 #define CPU_CT_S (1U << 24) /* split cache */
321 #define CPU_CT_CTYPE(x) (((x) >> 25) & 0xf) /* cache type */
323 #define CPU_CT_CTYPE_WT 0 /* write-through */
324 #define CPU_CT_CTYPE_WB1 1 /* write-back, clean w/ read */
325 #define CPU_CT_CTYPE_WB2 2 /* w/b, clean w/ cp15,7 */
326 #define CPU_CT_CTYPE_WB6 6 /* w/b, cp15,7, lockdown fmt A */
327 #define CPU_CT_CTYPE_WB7 7 /* w/b, cp15,7, lockdown fmt B */
328 #define CPU_CT_CTYPE_WB14 14 /* w/b, cp15,7, lockdown fmt C */
330 #define CPU_CT_xSIZE_LEN(x) ((x) & 0x3) /* line size */
331 #define CPU_CT_xSIZE_M (1U << 2) /* multiplier */
332 #define CPU_CT_xSIZE_ASSOC(x) (((x) >> 3) & 0x7) /* associativity */
333 #define CPU_CT_xSIZE_SIZE(x) (((x) >> 6) & 0x7) /* size */
334 #define CPU_CT_xSIZE_P (1U << 11) /* need to page-color */
336 /* format 4 definitions */
337 #define CPU_CT4_ILINE(x) ((x) & 0xf) /* I$ line size */
338 #define CPU_CT4_DLINE(x) (((x) >> 16) & 0xf) /* D$ line size */
339 #define CPU_CT4_L1IPOLICY(x) (((x) >> 14) & 0x3) /* I$ policy */
340 #define CPU_CT4_L1_VIPT 2 /* VIPT */
342 /* Cache size identifaction register definitions 1, Rd, c0, c0, 0 */
343 #define CPU_CSID_CTYPE_WT 0x80000000 /* write-through avail */
344 #define CPU_CSID_CTYPE_WB 0x40000000 /* write-back avail */
345 #define CPU_CSID_CTYPE_RA 0x20000000 /* read-allocation avail */
346 #define CPU_CSID_CTYPE_WA 0x10000000 /* write-allocation avail */
347 #define CPU_CSID_NUMSETS(x) (((x) >> 12) & 0xffff)
348 #define CPU_CSID_ASSOC(x) (((x) >> 3) & 0x1ff)
349 #define CPU_CSID_LEN(x) ((x) & 0x03)
351 /* Cache size selection register definitions 2, Rd, c0, c0, 0 */
352 #define CPU_CSSR_L2 0x00000002
353 #define CPU_CSSR_L1 0x00000000
354 #define CPU_CSSR_InD 0x00000001
356 /* Fault status register definitions */
358 #define FAULT_TYPE_MASK 0x0f
359 #define FAULT_USER 0x10
361 #define FAULT_WRTBUF_0 0x00 /* Vector Exception */
362 #define FAULT_WRTBUF_1 0x02 /* Terminal Exception */
363 #define FAULT_BUSERR_0 0x04 /* External Abort on Linefetch -- Section */
364 #define FAULT_BUSERR_1 0x06 /* External Abort on Linefetch -- Page */
365 #define FAULT_BUSERR_2 0x08 /* External Abort on Non-linefetch -- Section */
366 #define FAULT_BUSERR_3 0x0a /* External Abort on Non-linefetch -- Page */
367 #define FAULT_BUSTRNL1 0x0c /* External abort on Translation -- Level 1 */
368 #define FAULT_BUSTRNL2 0x0e /* External abort on Translation -- Level 2 */
369 #define FAULT_ALIGN_0 0x01 /* Alignment */
370 #define FAULT_ALIGN_1 0x03 /* Alignment */
371 #define FAULT_TRANS_S 0x05 /* Translation -- Section */
372 #define FAULT_TRANS_P 0x07 /* Translation -- Page */
373 #define FAULT_DOMAIN_S 0x09 /* Domain -- Section */
374 #define FAULT_DOMAIN_P 0x0b /* Domain -- Page */
375 #define FAULT_PERM_S 0x0d /* Permission -- Section */
376 #define FAULT_PERM_P 0x0f /* Permission -- Page */
378 #define FAULT_IMPRECISE 0x400 /* Imprecise exception (XSCALE) */
381 * Address of the vector page, low and high versions.
383 #define ARM_VECTORS_LOW 0x00000000U
384 #define ARM_VECTORS_HIGH 0xffff0000U
391 * +-------+-------------------------------------------------------+
392 * | cond | instruction dependant |
394 * +-------+-------------------------------------------------------+
397 #define INSN_SIZE 4 /* Always 4 bytes */
398 #define INSN_COND_MASK 0xf0000000 /* Condition mask */
399 #define INSN_COND_AL 0xe0000000 /* Always condition */
401 #define THUMB_INSN_SIZE 2 /* Some are 4 bytes. */
404 * Defines and such for arm11 Performance Monitor Counters (p15, c15, c12, 0)
406 #define ARM11_PMCCTL_E __BIT(0) /* enable all three counters */
407 #define ARM11_PMCCTL_P __BIT(1) /* reset both Count Registers to zero */
408 #define ARM11_PMCCTL_C __BIT(2) /* reset the Cycle Counter Register to zero */
409 #define ARM11_PMCCTL_D __BIT(3) /* cycle count divide by 64 */
410 #define ARM11_PMCCTL_EC0 __BIT(4) /* Enable Counter Register 0 interrupt */
411 #define ARM11_PMCCTL_EC1 __BIT(5) /* Enable Counter Register 1 interrupt */
412 #define ARM11_PMCCTL_ECC __BIT(6) /* Enable Cycle Counter interrupt */
413 #define ARM11_PMCCTL_SBZa __BIT(7) /* UNP/SBZ */
414 #define ARM11_PMCCTL_CR0 __BIT(8) /* Count Register 0 overflow flag */
415 #define ARM11_PMCCTL_CR1 __BIT(9) /* Count Register 1 overflow flag */
416 #define ARM11_PMCCTL_CCR __BIT(10) /* Cycle Count Register overflow flag */
417 #define ARM11_PMCCTL_X __BIT(11) /* Enable Export of the events to the event bus */
418 #define ARM11_PMCCTL_EVT1 __BITS(19,12) /* source of events for Count Register 1 */
419 #define ARM11_PMCCTL_EVT0 __BITS(27,20) /* source of events for Count Register 0 */
420 #define ARM11_PMCCTL_SBZb __BITS(31,28) /* UNP/SBZ */
421 #define ARM11_PMCCTL_SBZ \
422 (ARM11_PMCCTL_SBZa | ARM11_PMCCTL_SBZb)
424 #define ARM11_PMCEVT_ICACHE_MISS 0 /* Instruction Cache Miss */
425 #define ARM11_PMCEVT_ISTREAM_STALL 1 /* Instruction Stream Stall */
426 #define ARM11_PMCEVT_IUTLB_MISS 2 /* Instruction uTLB Miss */
427 #define ARM11_PMCEVT_DUTLB_MISS 3 /* Data uTLB Miss */
428 #define ARM11_PMCEVT_BRANCH 4 /* Branch Inst. Executed */
429 #define ARM11_PMCEVT_BRANCH_MISS 6 /* Branch mispredicted */
430 #define ARM11_PMCEVT_INST_EXEC 7 /* Instruction Executed */
431 #define ARM11_PMCEVT_DCACHE_ACCESS0 9 /* Data Cache Access */
432 #define ARM11_PMCEVT_DCACHE_ACCESS1 10 /* Data Cache Access */
433 #define ARM11_PMCEVT_DCACHE_MISS 11 /* Data Cache Miss */
434 #define ARM11_PMCEVT_DCACHE_WRITEBACK 12 /* Data Cache Writeback */
435 #define ARM11_PMCEVT_PC_CHANGE 13 /* Software PC change */
436 #define ARM11_PMCEVT_TLB_MISS 15 /* Main TLB Miss */
437 #define ARM11_PMCEVT_DATA_ACCESS 16 /* non-cached data access */
438 #define ARM11_PMCEVT_LSU_STALL 17 /* Load/Store Unit stall */
439 #define ARM11_PMCEVT_WBUF_DRAIN 18 /* Write buffer drained */
440 #define ARM11_PMCEVT_ETMEXTOUT0 32 /* ETMEXTOUT[0] asserted */
441 #define ARM11_PMCEVT_ETMEXTOUT1 33 /* ETMEXTOUT[1] asserted */
442 #define ARM11_PMCEVT_ETMEXTOUT 34 /* ETMEXTOUT[0 & 1] */
443 #define ARM11_PMCEVT_CALL_EXEC 35 /* Procedure call executed */
444 #define ARM11_PMCEVT_RETURN_EXEC 36 /* Return executed */
445 #define ARM11_PMCEVT_RETURN_HIT 37 /* return address predicted */
446 #define ARM11_PMCEVT_RETURN_MISS 38 /* return addr. mispredicted */
447 #define ARM11_PMCEVT_CYCLE 255 /* Increment each cycle */
449 #endif /* _ARM_ARMREG_H */