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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2003, 2004 Ralf Baechle
Ralf Baechle41943182005-05-05 16:45:59 +00007 * Copyright (C) 2004 Maciej W. Rozycki
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 */
9#ifndef __ASM_CPU_FEATURES_H
10#define __ASM_CPU_FEATURES_H
11
Linus Torvalds1da177e2005-04-16 15:20:36 -070012#include <asm/cpu.h>
13#include <asm/cpu-info.h>
14#include <cpu-feature-overrides.h>
15
16/*
17 * SMP assumption: Options of CPU 0 are a superset of all processors.
18 * This is true for all known MIPS systems.
19 */
20#ifndef cpu_has_tlb
21#define cpu_has_tlb (cpu_data[0].options & MIPS_CPU_TLB)
22#endif
James Hogan2f6f3132015-09-17 17:49:20 +010023#ifndef cpu_has_ftlb
24#define cpu_has_ftlb (cpu_data[0].options & MIPS_CPU_FTLB)
25#endif
Leonid Yegoshin1745c1e2013-11-14 16:12:23 +000026#ifndef cpu_has_tlbinv
27#define cpu_has_tlbinv (cpu_data[0].options & MIPS_CPU_TLBINV)
28#endif
Steven J. Hill4a0156f2013-11-14 16:12:24 +000029#ifndef cpu_has_segments
30#define cpu_has_segments (cpu_data[0].options & MIPS_CPU_SEGMENTS)
31#endif
Markos Chandras7ae66962014-01-09 16:01:29 +000032#ifndef cpu_has_eva
33#define cpu_has_eva (cpu_data[0].options & MIPS_CPU_EVA)
34#endif
Markos Chandrase647e6b2014-07-14 12:43:28 +010035#ifndef cpu_has_htw
36#define cpu_has_htw (cpu_data[0].options & MIPS_CPU_HTW)
37#endif
Huacai Chen380cd582016-03-03 09:45:12 +080038#ifndef cpu_has_ldpte
39#define cpu_has_ldpte (cpu_data[0].options & MIPS_CPU_LDPTE)
40#endif
Leonid Yegoshin6ee729a2014-07-15 14:09:55 +010041#ifndef cpu_has_rixiex
42#define cpu_has_rixiex (cpu_data[0].options & MIPS_CPU_RIXIEX)
43#endif
Paul Burton1f6c52f2014-07-14 10:32:14 +010044#ifndef cpu_has_maar
45#define cpu_has_maar (cpu_data[0].options & MIPS_CPU_MAAR)
46#endif
Markos Chandras5aed9da2014-12-02 09:46:19 +000047#ifndef cpu_has_rw_llb
48#define cpu_has_rw_llb (cpu_data[0].options & MIPS_CPU_RW_LLB)
49#endif
Ralf Baechle1990e542013-06-26 17:06:34 +020050
51/*
52 * For the moment we don't consider R6000 and R8000 so we can assume that
53 * anything that doesn't support R4000-style exceptions and interrupts is
54 * R3000-like. Users should still treat these two macro definitions as
55 * opaque.
56 */
57#ifndef cpu_has_3kex
58#define cpu_has_3kex (!cpu_has_4kex)
59#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070060#ifndef cpu_has_4kex
61#define cpu_has_4kex (cpu_data[0].options & MIPS_CPU_4KEX)
62#endif
Ralf Baechle02cf2112005-10-01 13:06:32 +010063#ifndef cpu_has_3k_cache
64#define cpu_has_3k_cache (cpu_data[0].options & MIPS_CPU_3K_CACHE)
65#endif
66#define cpu_has_6k_cache 0
67#define cpu_has_8k_cache 0
68#ifndef cpu_has_4k_cache
69#define cpu_has_4k_cache (cpu_data[0].options & MIPS_CPU_4K_CACHE)
70#endif
71#ifndef cpu_has_tx39_cache
72#define cpu_has_tx39_cache (cpu_data[0].options & MIPS_CPU_TX39_CACHE)
73#endif
David Daney47d979e2008-12-11 15:33:27 -080074#ifndef cpu_has_octeon_cache
75#define cpu_has_octeon_cache 0
76#endif
Maciej W. Rozycki18a2c2c2015-04-03 23:26:04 +010077/* Don't override `cpu_has_fpu' to 1 or the "nofpu" option won't work. */
Linus Torvalds1da177e2005-04-16 15:20:36 -070078#ifndef cpu_has_fpu
Ralf Baechlef088fc82006-04-05 09:45:47 +010079#define cpu_has_fpu (current_cpu_data.options & MIPS_CPU_FPU)
Atsushi Nemoto53dc8022007-03-10 01:07:45 +090080#define raw_cpu_has_fpu (raw_current_cpu_data.options & MIPS_CPU_FPU)
81#else
82#define raw_cpu_has_fpu cpu_has_fpu
Linus Torvalds1da177e2005-04-16 15:20:36 -070083#endif
84#ifndef cpu_has_32fpr
85#define cpu_has_32fpr (cpu_data[0].options & MIPS_CPU_32FPR)
86#endif
87#ifndef cpu_has_counter
88#define cpu_has_counter (cpu_data[0].options & MIPS_CPU_COUNTER)
89#endif
90#ifndef cpu_has_watch
91#define cpu_has_watch (cpu_data[0].options & MIPS_CPU_WATCH)
92#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070093#ifndef cpu_has_divec
94#define cpu_has_divec (cpu_data[0].options & MIPS_CPU_DIVEC)
95#endif
96#ifndef cpu_has_vce
97#define cpu_has_vce (cpu_data[0].options & MIPS_CPU_VCE)
98#endif
99#ifndef cpu_has_cache_cdex_p
100#define cpu_has_cache_cdex_p (cpu_data[0].options & MIPS_CPU_CACHE_CDEX_P)
101#endif
102#ifndef cpu_has_cache_cdex_s
103#define cpu_has_cache_cdex_s (cpu_data[0].options & MIPS_CPU_CACHE_CDEX_S)
104#endif
105#ifndef cpu_has_prefetch
106#define cpu_has_prefetch (cpu_data[0].options & MIPS_CPU_PREFETCH)
107#endif
108#ifndef cpu_has_mcheck
109#define cpu_has_mcheck (cpu_data[0].options & MIPS_CPU_MCHECK)
110#endif
111#ifndef cpu_has_ejtag
112#define cpu_has_ejtag (cpu_data[0].options & MIPS_CPU_EJTAG)
113#endif
114#ifndef cpu_has_llsc
115#define cpu_has_llsc (cpu_data[0].options & MIPS_CPU_LLSC)
116#endif
Joshua Kinard8d5ded12015-06-02 18:21:33 -0400117#ifndef cpu_has_bp_ghist
118#define cpu_has_bp_ghist (cpu_data[0].options & MIPS_CPU_BP_GHIST)
119#endif
David Daneyb791d112009-07-13 11:15:19 -0700120#ifndef kernel_uses_llsc
121#define kernel_uses_llsc cpu_has_llsc
122#endif
James Hogan6ad816e2016-05-11 15:50:30 +0100123#ifndef cpu_has_guestctl0ext
124#define cpu_has_guestctl0ext (cpu_data[0].options & MIPS_CPU_GUESTCTL0EXT)
125#endif
126#ifndef cpu_has_guestctl1
127#define cpu_has_guestctl1 (cpu_data[0].options & MIPS_CPU_GUESTCTL1)
128#endif
129#ifndef cpu_has_guestctl2
130#define cpu_has_guestctl2 (cpu_data[0].options & MIPS_CPU_GUESTCTL2)
131#endif
132#ifndef cpu_has_guestid
133#define cpu_has_guestid (cpu_data[0].options & MIPS_CPU_GUESTID)
134#endif
135#ifndef cpu_has_drg
136#define cpu_has_drg (cpu_data[0].options & MIPS_CPU_DRG)
137#endif
Ralf Baechle41943182005-05-05 16:45:59 +0000138#ifndef cpu_has_mips16
139#define cpu_has_mips16 (cpu_data[0].ases & MIPS_ASE_MIPS16)
140#endif
141#ifndef cpu_has_mdmx
Tony Wufc192e52013-06-21 10:10:46 +0000142#define cpu_has_mdmx (cpu_data[0].ases & MIPS_ASE_MDMX)
Ralf Baechle41943182005-05-05 16:45:59 +0000143#endif
144#ifndef cpu_has_mips3d
Tony Wufc192e52013-06-21 10:10:46 +0000145#define cpu_has_mips3d (cpu_data[0].ases & MIPS_ASE_MIPS3D)
Ralf Baechle41943182005-05-05 16:45:59 +0000146#endif
147#ifndef cpu_has_smartmips
Tony Wufc192e52013-06-21 10:10:46 +0000148#define cpu_has_smartmips (cpu_data[0].ases & MIPS_ASE_SMARTMIPS)
Ralf Baechle41943182005-05-05 16:45:59 +0000149#endif
David Daneya68d09a2014-05-28 23:52:07 +0200150
Steven J. Hillb2ab4f02012-09-13 16:47:58 -0500151#ifndef cpu_has_rixi
Paul Burton033549c2015-09-22 11:42:53 -0700152#define cpu_has_rixi (cpu_data[0].options & MIPS_CPU_RIXI)
Steven J. Hillb2ab4f02012-09-13 16:47:58 -0500153#endif
David Daneya68d09a2014-05-28 23:52:07 +0200154
Steven J. Hillf8fa4812012-12-07 03:51:35 +0000155#ifndef cpu_has_mmips
David Daney3ddc14a2013-05-24 20:54:10 +0000156# ifdef CONFIG_SYS_SUPPORTS_MICROMIPS
157# define cpu_has_mmips (cpu_data[0].options & MIPS_CPU_MICROMIPS)
158# else
159# define cpu_has_mmips 0
160# endif
Steven J. Hillf8fa4812012-12-07 03:51:35 +0000161#endif
David Daneya68d09a2014-05-28 23:52:07 +0200162
James Hogan12822572016-04-19 09:24:59 +0100163#ifndef cpu_has_lpa
164#define cpu_has_lpa (cpu_data[0].options & MIPS_CPU_LPA)
165#endif
166#ifndef cpu_has_mvh
167#define cpu_has_mvh (cpu_data[0].options & MIPS_CPU_MVH)
168#endif
Steven J. Hillc5b36782015-02-26 18:16:38 -0600169#ifndef cpu_has_xpa
James Hogan12822572016-04-19 09:24:59 +0100170#define cpu_has_xpa (cpu_has_lpa && cpu_has_mvh)
Steven J. Hillc5b36782015-02-26 18:16:38 -0600171#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172#ifndef cpu_has_vtag_icache
173#define cpu_has_vtag_icache (cpu_data[0].icache.flags & MIPS_CACHE_VTAG)
174#endif
175#ifndef cpu_has_dc_aliases
176#define cpu_has_dc_aliases (cpu_data[0].dcache.flags & MIPS_CACHE_ALIASES)
177#endif
178#ifndef cpu_has_ic_fills_f_dc
179#define cpu_has_ic_fills_f_dc (cpu_data[0].icache.flags & MIPS_CACHE_IC_F_DC)
180#endif
Atsushi Nemotode628932006-03-13 18:23:03 +0900181#ifndef cpu_has_pindexed_dcache
Tony Wufc192e52013-06-21 10:10:46 +0000182#define cpu_has_pindexed_dcache (cpu_data[0].dcache.flags & MIPS_CACHE_PINDEX)
Atsushi Nemotode628932006-03-13 18:23:03 +0900183#endif
Huacai Chen87599342013-03-17 11:49:38 +0000184#ifndef cpu_has_local_ebase
185#define cpu_has_local_ebase 1
186#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187
188/*
Ralf Baechle70342282013-01-22 12:59:30 +0100189 * I-Cache snoops remote store. This only matters on SMP. Some multiprocessors
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190 * such as the R10000 have I-Caches that snoop local stores; the embedded ones
191 * don't. For maintaining I-cache coherency this means we need to flush the
192 * D-cache all the way back to whever the I-cache does refills from, so the
193 * I-cache has a chance to see the new data at all. Then we have to flush the
194 * I-cache also.
195 * Note we may have been rescheduled and may no longer be running on the CPU
196 * that did the store so we can't optimize this into only doing the flush on
197 * the local CPU.
198 */
199#ifndef cpu_icache_snoops_remote_store
200#ifdef CONFIG_SMP
201#define cpu_icache_snoops_remote_store (cpu_data[0].icache.flags & MIPS_IC_SNOOPS_REMOTE)
202#else
203#define cpu_icache_snoops_remote_store 1
204#endif
205#endif
206
Zhaoxiu Zengfff7fb02016-05-20 17:03:57 -0700207/* __builtin_constant_p(cpu_has_mips_r) && cpu_has_mips_r */
208#if !((defined(cpu_has_mips32r1) && cpu_has_mips32r1) || \
209 (defined(cpu_has_mips32r2) && cpu_has_mips32r2) || \
210 (defined(cpu_has_mips32r6) && cpu_has_mips32r6) || \
211 (defined(cpu_has_mips64r1) && cpu_has_mips64r1) || \
212 (defined(cpu_has_mips64r2) && cpu_has_mips64r2) || \
213 (defined(cpu_has_mips64r6) && cpu_has_mips64r6))
214#define CPU_NO_EFFICIENT_FFS 1
215#endif
216
Markos Chandras515a6392014-11-14 10:10:02 +0000217#ifndef cpu_has_mips_1
218# define cpu_has_mips_1 (!cpu_has_mips_r6)
219#endif
Steven J. Hilla96102b2012-12-07 04:31:36 +0000220#ifndef cpu_has_mips_2
221# define cpu_has_mips_2 (cpu_data[0].isa_level & MIPS_CPU_ISA_II)
222#endif
223#ifndef cpu_has_mips_3
224# define cpu_has_mips_3 (cpu_data[0].isa_level & MIPS_CPU_ISA_III)
225#endif
226#ifndef cpu_has_mips_4
227# define cpu_has_mips_4 (cpu_data[0].isa_level & MIPS_CPU_ISA_IV)
228#endif
229#ifndef cpu_has_mips_5
230# define cpu_has_mips_5 (cpu_data[0].isa_level & MIPS_CPU_ISA_V)
231#endif
Tony Wufc192e52013-06-21 10:10:46 +0000232#ifndef cpu_has_mips32r1
Ralf Baechle04015722005-12-09 12:20:49 +0000233# define cpu_has_mips32r1 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R1)
Tony Wufc192e52013-06-21 10:10:46 +0000234#endif
235#ifndef cpu_has_mips32r2
Ralf Baechle04015722005-12-09 12:20:49 +0000236# define cpu_has_mips32r2 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R2)
Tony Wufc192e52013-06-21 10:10:46 +0000237#endif
Leonid Yegoshin34c56fc2014-11-13 11:49:21 +0000238#ifndef cpu_has_mips32r6
239# define cpu_has_mips32r6 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R6)
240#endif
Tony Wufc192e52013-06-21 10:10:46 +0000241#ifndef cpu_has_mips64r1
Ralf Baechle04015722005-12-09 12:20:49 +0000242# define cpu_has_mips64r1 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R1)
Tony Wufc192e52013-06-21 10:10:46 +0000243#endif
244#ifndef cpu_has_mips64r2
Ralf Baechle04015722005-12-09 12:20:49 +0000245# define cpu_has_mips64r2 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R2)
Tony Wufc192e52013-06-21 10:10:46 +0000246#endif
Leonid Yegoshin34c56fc2014-11-13 11:49:21 +0000247#ifndef cpu_has_mips64r6
248# define cpu_has_mips64r6 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R6)
249#endif
Ralf Baechle04015722005-12-09 12:20:49 +0000250
251/*
252 * Shortcuts ...
253 */
Ralf Baechle08a07902014-04-19 13:11:37 +0200254#define cpu_has_mips_2_3_4_5 (cpu_has_mips_2 | cpu_has_mips_3_4_5)
255#define cpu_has_mips_3_4_5 (cpu_has_mips_3 | cpu_has_mips_4_5)
256#define cpu_has_mips_4_5 (cpu_has_mips_4 | cpu_has_mips_5)
257
258#define cpu_has_mips_2_3_4_5_r (cpu_has_mips_2 | cpu_has_mips_3_4_5_r)
259#define cpu_has_mips_3_4_5_r (cpu_has_mips_3 | cpu_has_mips_4_5_r)
260#define cpu_has_mips_4_5_r (cpu_has_mips_4 | cpu_has_mips_5_r)
261#define cpu_has_mips_5_r (cpu_has_mips_5 | cpu_has_mips_r)
262
Maciej W. Rozycki2d83fea2015-04-03 23:26:49 +0100263#define cpu_has_mips_3_4_5_64_r2_r6 \
264 (cpu_has_mips_3 | cpu_has_mips_4_5_64_r2_r6)
265#define cpu_has_mips_4_5_64_r2_r6 \
266 (cpu_has_mips_4_5 | cpu_has_mips64r1 | \
267 cpu_has_mips_r2 | cpu_has_mips_r6)
Ralf Baechle08a07902014-04-19 13:11:37 +0200268
Leonid Yegoshin34c56fc2014-11-13 11:49:21 +0000269#define cpu_has_mips32 (cpu_has_mips32r1 | cpu_has_mips32r2 | cpu_has_mips32r6)
270#define cpu_has_mips64 (cpu_has_mips64r1 | cpu_has_mips64r2 | cpu_has_mips64r6)
Ralf Baechle70342282013-01-22 12:59:30 +0100271#define cpu_has_mips_r1 (cpu_has_mips32r1 | cpu_has_mips64r1)
272#define cpu_has_mips_r2 (cpu_has_mips32r2 | cpu_has_mips64r2)
Leonid Yegoshin34c56fc2014-11-13 11:49:21 +0000273#define cpu_has_mips_r6 (cpu_has_mips32r6 | cpu_has_mips64r6)
Ralf Baechlec46b3022008-10-28 09:37:47 +0000274#define cpu_has_mips_r (cpu_has_mips32r1 | cpu_has_mips32r2 | \
Leonid Yegoshin34c56fc2014-11-13 11:49:21 +0000275 cpu_has_mips32r6 | cpu_has_mips64r1 | \
276 cpu_has_mips64r2 | cpu_has_mips64r6)
277
278/* MIPSR2 and MIPSR6 have a lot of similarities */
279#define cpu_has_mips_r2_r6 (cpu_has_mips_r2 | cpu_has_mips_r6)
Ralf Baechle04015722005-12-09 12:20:49 +0000280
Ralf Baechle9cdf30b2015-03-25 13:14:16 +0100281/*
282 * cpu_has_mips_r2_exec_hazard - return if IHB is required on current processor
283 *
284 * Returns non-zero value if the current processor implementation requires
285 * an IHB instruction to deal with an instruction hazard as per MIPS R2
286 * architecture specification, zero otherwise.
287 */
David Daney41f0e4d2009-05-12 12:41:53 -0700288#ifndef cpu_has_mips_r2_exec_hazard
Ralf Baechle9cdf30b2015-03-25 13:14:16 +0100289#define cpu_has_mips_r2_exec_hazard \
290({ \
291 int __res; \
292 \
293 switch (current_cpu_type()) { \
294 case CPU_M14KC: \
295 case CPU_74K: \
296 case CPU_1074K: \
297 case CPU_PROAPTIV: \
298 case CPU_P5600: \
299 case CPU_M5150: \
300 case CPU_QEMU_GENERIC: \
301 case CPU_CAVIUM_OCTEON: \
302 case CPU_CAVIUM_OCTEON_PLUS: \
303 case CPU_CAVIUM_OCTEON2: \
304 case CPU_CAVIUM_OCTEON3: \
305 __res = 0; \
306 break; \
307 \
308 default: \
309 __res = 1; \
310 } \
311 \
312 __res; \
313})
David Daney41f0e4d2009-05-12 12:41:53 -0700314#endif
315
Ralf Baechle47740eb2009-04-19 03:21:22 +0200316/*
317 * MIPS32, MIPS64, VR5500, IDT32332, IDT32334 and maybe a few other
Maciej W. Rozyckibecee6b82013-09-22 22:04:27 +0100318 * pre-MIPS32/MIPS64 processors have CLO, CLZ. The IDT RC64574 is 64-bit and
Ralf Baechle417a5eb2010-08-05 13:26:01 +0100319 * has CLO and CLZ but not DCLO nor DCLZ. For 64-bit kernels
Ralf Baechle47740eb2009-04-19 03:21:22 +0200320 * cpu_has_clo_clz also indicates the availability of DCLO and DCLZ.
321 */
Tony Wufc192e52013-06-21 10:10:46 +0000322#ifndef cpu_has_clo_clz
323#define cpu_has_clo_clz cpu_has_mips_r
324#endif
Ralf Baechle47740eb2009-04-19 03:21:22 +0200325
Chen Jie3c09bae2014-08-15 16:56:58 +0800326/*
327 * MIPS32 R2, MIPS64 R2, Loongson 3A and Octeon have WSBH.
328 * MIPS64 R2, Loongson 3A and Octeon have WSBH, DSBH and DSHD.
329 * This indicates the availability of WSBH and in case of 64 bit CPUs also
330 * DSBH and DSHD.
331 */
332#ifndef cpu_has_wsbh
333#define cpu_has_wsbh cpu_has_mips_r2
334#endif
335
Ralf Baechlee50c0a82005-05-31 11:49:19 +0000336#ifndef cpu_has_dsp
337#define cpu_has_dsp (cpu_data[0].ases & MIPS_ASE_DSP)
338#endif
339
Steven J. Hillee80f7c72012-08-03 10:26:04 -0500340#ifndef cpu_has_dsp2
341#define cpu_has_dsp2 (cpu_data[0].ases & MIPS_ASE_DSP2P)
342#endif
343
Zubair Lutfullah Kakakhelb5a64552016-03-29 15:50:25 +0100344#ifndef cpu_has_dsp3
345#define cpu_has_dsp3 (cpu_data[0].ases & MIPS_ASE_DSP3)
346#endif
347
Ralf Baechle8f406112005-07-14 07:34:18 +0000348#ifndef cpu_has_mipsmt
Chris Dearman2e128de2006-06-30 12:32:37 +0100349#define cpu_has_mipsmt (cpu_data[0].ases & MIPS_ASE_MIPSMT)
Ralf Baechle8f406112005-07-14 07:34:18 +0000350#endif
351
Paul Burtonf270d882016-02-03 03:15:21 +0000352#ifndef cpu_has_vp
353#define cpu_has_vp (cpu_data[0].options & MIPS_CPU_VP)
354#endif
355
Ralf Baechlea3692022007-07-10 17:33:02 +0100356#ifndef cpu_has_userlocal
357#define cpu_has_userlocal (cpu_data[0].options & MIPS_CPU_ULRI)
358#endif
359
Ralf Baechle875d43e2005-09-03 15:56:16 -0700360#ifdef CONFIG_32BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700361# ifndef cpu_has_nofpuex
362# define cpu_has_nofpuex (cpu_data[0].options & MIPS_CPU_NOFPUEX)
363# endif
364# ifndef cpu_has_64bits
365# define cpu_has_64bits (cpu_data[0].isa_level & MIPS_CPU_ISA_64BIT)
366# endif
367# ifndef cpu_has_64bit_zero_reg
Tony Wufc192e52013-06-21 10:10:46 +0000368# define cpu_has_64bit_zero_reg (cpu_data[0].isa_level & MIPS_CPU_ISA_64BIT)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700369# endif
370# ifndef cpu_has_64bit_gp_regs
371# define cpu_has_64bit_gp_regs 0
372# endif
373# ifndef cpu_has_64bit_addresses
374# define cpu_has_64bit_addresses 0
375# endif
Guenter Roeck91dfc422010-02-02 08:52:20 -0800376# ifndef cpu_vmbits
377# define cpu_vmbits 31
378# endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700379#endif
380
Ralf Baechle875d43e2005-09-03 15:56:16 -0700381#ifdef CONFIG_64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700382# ifndef cpu_has_nofpuex
383# define cpu_has_nofpuex 0
384# endif
385# ifndef cpu_has_64bits
386# define cpu_has_64bits 1
387# endif
388# ifndef cpu_has_64bit_zero_reg
389# define cpu_has_64bit_zero_reg 1
390# endif
391# ifndef cpu_has_64bit_gp_regs
392# define cpu_has_64bit_gp_regs 1
393# endif
394# ifndef cpu_has_64bit_addresses
395# define cpu_has_64bit_addresses 1
396# endif
Guenter Roeck91dfc422010-02-02 08:52:20 -0800397# ifndef cpu_vmbits
398# define cpu_vmbits cpu_data[0].vmbits
399# define __NEED_VMBITS_PROBE
400# endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700401#endif
402
Ralf Baechlef41ae0b2006-06-05 17:24:46 +0100403#if defined(CONFIG_CPU_MIPSR2_IRQ_VI) && !defined(cpu_has_vint)
404# define cpu_has_vint (cpu_data[0].options & MIPS_CPU_VINT)
405#elif !defined(cpu_has_vint)
Ralf Baechle8f406112005-07-14 07:34:18 +0000406# define cpu_has_vint 0
Ralf Baechlef41ae0b2006-06-05 17:24:46 +0100407#endif
408
409#if defined(CONFIG_CPU_MIPSR2_IRQ_EI) && !defined(cpu_has_veic)
410# define cpu_has_veic (cpu_data[0].options & MIPS_CPU_VEIC)
411#elif !defined(cpu_has_veic)
Ralf Baechle8f406112005-07-14 07:34:18 +0000412# define cpu_has_veic 0
413#endif
414
Ralf Baechlefc5d2d22006-07-06 13:04:01 +0100415#ifndef cpu_has_inclusive_pcaches
416#define cpu_has_inclusive_pcaches (cpu_data[0].options & MIPS_CPU_INCLUSIVE_CACHES)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417#endif
418
419#ifndef cpu_dcache_line_size
Pavel Kiryukhin54fd6442007-11-27 19:20:47 +0300420#define cpu_dcache_line_size() cpu_data[0].dcache.linesz
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421#endif
422#ifndef cpu_icache_line_size
Pavel Kiryukhin54fd6442007-11-27 19:20:47 +0300423#define cpu_icache_line_size() cpu_data[0].icache.linesz
Linus Torvalds1da177e2005-04-16 15:20:36 -0700424#endif
425#ifndef cpu_scache_line_size
Pavel Kiryukhin54fd6442007-11-27 19:20:47 +0300426#define cpu_scache_line_size() cpu_data[0].scache.linesz
Linus Torvalds1da177e2005-04-16 15:20:36 -0700427#endif
428
David Daneyfbeda192009-05-13 15:59:55 -0700429#ifndef cpu_hwrena_impl_bits
430#define cpu_hwrena_impl_bits 0
431#endif
432
Al Cooperda4b62c2012-07-13 16:44:51 -0400433#ifndef cpu_has_perf_cntr_intr_bit
434#define cpu_has_perf_cntr_intr_bit (cpu_data[0].options & MIPS_CPU_PCI)
435#endif
436
David Daney1e7decd2013-02-16 23:42:43 +0100437#ifndef cpu_has_vz
438#define cpu_has_vz (cpu_data[0].ases & MIPS_ASE_VZ)
439#endif
440
Paul Burtona5e9a692014-01-27 15:23:10 +0000441#if defined(CONFIG_CPU_HAS_MSA) && !defined(cpu_has_msa)
442# define cpu_has_msa (cpu_data[0].ases & MIPS_ASE_MSA)
443#elif !defined(cpu_has_msa)
444# define cpu_has_msa 0
445#endif
446
Paul Burtonadac5d52014-09-11 08:30:18 +0100447#ifndef cpu_has_fre
448# define cpu_has_fre (cpu_data[0].options & MIPS_CPU_FRE)
449#endif
450
James Hogan9b3274b2015-02-02 11:45:08 +0000451#ifndef cpu_has_cdmm
452# define cpu_has_cdmm (cpu_data[0].options & MIPS_CPU_CDMM)
453#endif
454
James Hoganaaa7be42015-07-15 16:17:44 +0100455#ifndef cpu_has_small_pages
456# define cpu_has_small_pages (cpu_data[0].options & MIPS_CPU_SP)
457#endif
458
Maciej W. Rozycki9519ef32015-11-13 00:46:55 +0000459#ifndef cpu_has_nan_legacy
460#define cpu_has_nan_legacy (cpu_data[0].options & MIPS_CPU_NAN_LEGACY)
461#endif
462#ifndef cpu_has_nan_2008
463#define cpu_has_nan_2008 (cpu_data[0].options & MIPS_CPU_NAN_2008)
464#endif
465
James Hogan37fb60f2016-05-11 13:50:50 +0100466#ifndef cpu_has_ebase_wg
467# define cpu_has_ebase_wg (cpu_data[0].options & MIPS_CPU_EBASE_WG)
468#endif
469
James Hogane06a1542016-05-11 13:50:51 +0100470#ifndef cpu_has_badinstr
471# define cpu_has_badinstr (cpu_data[0].options & MIPS_CPU_BADINSTR)
472#endif
473
474#ifndef cpu_has_badinstrp
475# define cpu_has_badinstrp (cpu_data[0].options & MIPS_CPU_BADINSTRP)
476#endif
477
James Hoganf18bdfa2016-05-11 13:50:52 +0100478#ifndef cpu_has_contextconfig
479# define cpu_has_contextconfig (cpu_data[0].options & MIPS_CPU_CTXTC)
480#endif
481
James Hogan30228c42016-05-11 13:50:53 +0100482#ifndef cpu_has_perf
483# define cpu_has_perf (cpu_data[0].options & MIPS_CPU_PERF)
484#endif
485
James Hogan6ad816e2016-05-11 15:50:30 +0100486/*
487 * Guest capabilities
488 */
489#ifndef cpu_guest_has_conf1
490#define cpu_guest_has_conf1 (cpu_data[0].guest.conf & (1 << 1))
491#endif
492#ifndef cpu_guest_has_conf2
493#define cpu_guest_has_conf2 (cpu_data[0].guest.conf & (1 << 2))
494#endif
495#ifndef cpu_guest_has_conf3
496#define cpu_guest_has_conf3 (cpu_data[0].guest.conf & (1 << 3))
497#endif
498#ifndef cpu_guest_has_conf4
499#define cpu_guest_has_conf4 (cpu_data[0].guest.conf & (1 << 4))
500#endif
501#ifndef cpu_guest_has_conf5
502#define cpu_guest_has_conf5 (cpu_data[0].guest.conf & (1 << 5))
503#endif
504#ifndef cpu_guest_has_conf6
505#define cpu_guest_has_conf6 (cpu_data[0].guest.conf & (1 << 6))
506#endif
507#ifndef cpu_guest_has_conf7
508#define cpu_guest_has_conf7 (cpu_data[0].guest.conf & (1 << 7))
509#endif
510#ifndef cpu_guest_has_fpu
511#define cpu_guest_has_fpu (cpu_data[0].guest.options & MIPS_CPU_FPU)
512#endif
513#ifndef cpu_guest_has_watch
514#define cpu_guest_has_watch (cpu_data[0].guest.options & MIPS_CPU_WATCH)
515#endif
516#ifndef cpu_guest_has_contextconfig
517#define cpu_guest_has_contextconfig (cpu_data[0].guest.options & MIPS_CPU_CTXTC)
518#endif
519#ifndef cpu_guest_has_segments
520#define cpu_guest_has_segments (cpu_data[0].guest.options & MIPS_CPU_SEGMENTS)
521#endif
522#ifndef cpu_guest_has_badinstr
523#define cpu_guest_has_badinstr (cpu_data[0].guest.options & MIPS_CPU_BADINSTR)
524#endif
525#ifndef cpu_guest_has_badinstrp
526#define cpu_guest_has_badinstrp (cpu_data[0].guest.options & MIPS_CPU_BADINSTRP)
527#endif
528#ifndef cpu_guest_has_htw
529#define cpu_guest_has_htw (cpu_data[0].guest.options & MIPS_CPU_HTW)
530#endif
531#ifndef cpu_guest_has_msa
532#define cpu_guest_has_msa (cpu_data[0].guest.ases & MIPS_ASE_MSA)
533#endif
534#ifndef cpu_guest_has_kscr
535#define cpu_guest_has_kscr(n) (cpu_data[0].guest.kscratch_mask & (1u << (n)))
536#endif
537#ifndef cpu_guest_has_rw_llb
538#define cpu_guest_has_rw_llb (cpu_has_mips_r6 || (cpu_data[0].guest.options & MIPS_CPU_RW_LLB))
539#endif
540#ifndef cpu_guest_has_perf
541#define cpu_guest_has_perf (cpu_data[0].guest.options & MIPS_CPU_PERF)
542#endif
543#ifndef cpu_guest_has_maar
544#define cpu_guest_has_maar (cpu_data[0].guest.options & MIPS_CPU_MAAR)
545#endif
546
547/*
548 * Guest dynamic capabilities
549 */
550#ifndef cpu_guest_has_dyn_fpu
551#define cpu_guest_has_dyn_fpu (cpu_data[0].guest.options_dyn & MIPS_CPU_FPU)
552#endif
553#ifndef cpu_guest_has_dyn_watch
554#define cpu_guest_has_dyn_watch (cpu_data[0].guest.options_dyn & MIPS_CPU_WATCH)
555#endif
556#ifndef cpu_guest_has_dyn_contextconfig
557#define cpu_guest_has_dyn_contextconfig (cpu_data[0].guest.options_dyn & MIPS_CPU_CTXTC)
558#endif
559#ifndef cpu_guest_has_dyn_perf
560#define cpu_guest_has_dyn_perf (cpu_data[0].guest.options_dyn & MIPS_CPU_PERF)
561#endif
562#ifndef cpu_guest_has_dyn_msa
563#define cpu_guest_has_dyn_msa (cpu_data[0].guest.ases_dyn & MIPS_ASE_MSA)
564#endif
565#ifndef cpu_guest_has_dyn_maar
566#define cpu_guest_has_dyn_maar (cpu_data[0].guest.options_dyn & MIPS_CPU_MAAR)
567#endif
568
Linus Torvalds1da177e2005-04-16 15:20:36 -0700569#endif /* __ASM_CPU_FEATURES_H */