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
6 * Copyright (C) 2003, 2004 Ralf Baechle
7 * Copyright (C) 2004 Maciej W. Rozycki
9 #ifndef __ASM_CPU_FEATURES_H
10 #define __ASM_CPU_FEATURES_H
13 #include <asm/cpu-info.h>
14 #include <asm/isa-rev.h>
15 #include <cpu-feature-overrides.h>
17 #define __ase(ase) (cpu_data[0].ases & (ase))
18 #define __isa(isa) (cpu_data[0].isa_level & (isa))
19 #define __opt(opt) (cpu_data[0].options & (opt))
22 * Check if MIPS_ISA_REV is >= isa *and* an option or ASE is detected during
23 * boot (typically by cpu_probe()).
25 * Note that these should only be used in cases where a kernel built for an
26 * older ISA *cannot* run on a CPU which supports the feature in question. For
27 * example this may be used for features introduced with MIPSr6, since a kernel
28 * built for an older ISA cannot run on a MIPSr6 CPU. This should not be used
29 * for MIPSr2 features however, since a MIPSr1 or earlier kernel might run on a
32 #define __isa_ge_and_ase(isa, ase) ((MIPS_ISA_REV >= (isa)) && __ase(ase))
33 #define __isa_ge_and_opt(isa, opt) ((MIPS_ISA_REV >= (isa)) && __opt(opt))
36 * Check if MIPS_ISA_REV is >= isa *or* an option or ASE is detected during
37 * boot (typically by cpu_probe()).
39 * These are for use with features that are optional up until a particular ISA
40 * revision & then become required.
42 #define __isa_ge_or_ase(isa, ase) ((MIPS_ISA_REV >= (isa)) || __ase(ase))
43 #define __isa_ge_or_opt(isa, opt) ((MIPS_ISA_REV >= (isa)) || __opt(opt))
46 * Check if MIPS_ISA_REV is < isa *and* an option or ASE is detected during
47 * boot (typically by cpu_probe()).
49 * These are for use with features that are optional up until a particular ISA
50 * revision & are then removed - ie. no longer present in any CPU implementing
51 * the given ISA revision.
53 #define __isa_lt_and_ase(isa, ase) ((MIPS_ISA_REV < (isa)) && __ase(ase))
54 #define __isa_lt_and_opt(isa, opt) ((MIPS_ISA_REV < (isa)) && __opt(opt))
57 * Similarly allow for ISA level checks that take into account knowledge of the
58 * ISA targeted by the kernel build, provided by MIPS_ISA_REV.
60 #define __isa_ge_and_flag(isa, flag) ((MIPS_ISA_REV >= (isa)) && __isa(flag))
61 #define __isa_ge_or_flag(isa, flag) ((MIPS_ISA_REV >= (isa)) || __isa(flag))
62 #define __isa_lt_and_flag(isa, flag) ((MIPS_ISA_REV < (isa)) && __isa(flag))
63 #define __isa_range(ge, lt) \
64 ((MIPS_ISA_REV >= (ge)) && (MIPS_ISA_REV < (lt)))
65 #define __isa_range_or_flag(ge, lt, flag) \
66 (__isa_range(ge, lt) || ((MIPS_ISA_REV < (lt)) && __isa(flag)))
67 #define __isa_range_and_ase(ge, lt, ase) \
68 (__isa_range(ge, lt) && __ase(ase))
71 * SMP assumption: Options of CPU 0 are a superset of all processors.
72 * This is true for all known MIPS systems.
75 #define cpu_has_tlb __opt(MIPS_CPU_TLB)
78 #define cpu_has_ftlb __opt(MIPS_CPU_FTLB)
80 #ifndef cpu_has_tlbinv
81 #define cpu_has_tlbinv __opt(MIPS_CPU_TLBINV)
83 #ifndef cpu_has_segments
84 #define cpu_has_segments __opt(MIPS_CPU_SEGMENTS)
87 #define cpu_has_eva __opt(MIPS_CPU_EVA)
90 #define cpu_has_htw __opt(MIPS_CPU_HTW)
93 #define cpu_has_ldpte __opt(MIPS_CPU_LDPTE)
95 #ifndef cpu_has_rixiex
96 #define cpu_has_rixiex __isa_ge_or_opt(6, MIPS_CPU_RIXIEX)
99 #define cpu_has_maar __opt(MIPS_CPU_MAAR)
101 #ifndef cpu_has_rw_llb
102 #define cpu_has_rw_llb __isa_ge_or_opt(6, MIPS_CPU_RW_LLB)
106 * For the moment we don't consider R6000 and R8000 so we can assume that
107 * anything that doesn't support R4000-style exceptions and interrupts is
108 * R3000-like. Users should still treat these two macro definitions as
112 #define cpu_has_3kex (!cpu_has_4kex)
115 #define cpu_has_4kex __isa_ge_or_opt(1, MIPS_CPU_4KEX)
117 #ifndef cpu_has_3k_cache
118 #define cpu_has_3k_cache __isa_lt_and_opt(1, MIPS_CPU_3K_CACHE)
120 #ifndef cpu_has_4k_cache
121 #define cpu_has_4k_cache __isa_ge_or_opt(1, MIPS_CPU_4K_CACHE)
123 #ifndef cpu_has_tx39_cache
124 #define cpu_has_tx39_cache __opt(MIPS_CPU_TX39_CACHE)
126 #ifndef cpu_has_octeon_cache
127 #define cpu_has_octeon_cache 0
129 /* Don't override `cpu_has_fpu' to 1 or the "nofpu" option won't work. */
131 # ifdef CONFIG_MIPS_FP_SUPPORT
132 # define cpu_has_fpu (current_cpu_data.options & MIPS_CPU_FPU)
133 # define raw_cpu_has_fpu (raw_current_cpu_data.options & MIPS_CPU_FPU)
135 # define cpu_has_fpu 0
136 # define raw_cpu_has_fpu 0
139 # define raw_cpu_has_fpu cpu_has_fpu
141 #ifndef cpu_has_32fpr
142 #define cpu_has_32fpr __isa_ge_or_opt(1, MIPS_CPU_32FPR)
144 #ifndef cpu_has_counter
145 #define cpu_has_counter __opt(MIPS_CPU_COUNTER)
147 #ifndef cpu_has_watch
148 #define cpu_has_watch __opt(MIPS_CPU_WATCH)
150 #ifndef cpu_has_divec
151 #define cpu_has_divec __isa_ge_or_opt(1, MIPS_CPU_DIVEC)
154 #define cpu_has_vce __opt(MIPS_CPU_VCE)
156 #ifndef cpu_has_cache_cdex_p
157 #define cpu_has_cache_cdex_p __opt(MIPS_CPU_CACHE_CDEX_P)
159 #ifndef cpu_has_cache_cdex_s
160 #define cpu_has_cache_cdex_s __opt(MIPS_CPU_CACHE_CDEX_S)
162 #ifndef cpu_has_prefetch
163 #define cpu_has_prefetch __isa_ge_or_opt(1, MIPS_CPU_PREFETCH)
165 #ifndef cpu_has_mcheck
166 #define cpu_has_mcheck __isa_ge_or_opt(1, MIPS_CPU_MCHECK)
168 #ifndef cpu_has_ejtag
169 #define cpu_has_ejtag __opt(MIPS_CPU_EJTAG)
172 #define cpu_has_llsc __isa_ge_or_opt(1, MIPS_CPU_LLSC)
174 #ifndef kernel_uses_llsc
175 #define kernel_uses_llsc cpu_has_llsc
177 #ifndef cpu_has_guestctl0ext
178 #define cpu_has_guestctl0ext __opt(MIPS_CPU_GUESTCTL0EXT)
180 #ifndef cpu_has_guestctl1
181 #define cpu_has_guestctl1 __opt(MIPS_CPU_GUESTCTL1)
183 #ifndef cpu_has_guestctl2
184 #define cpu_has_guestctl2 __opt(MIPS_CPU_GUESTCTL2)
186 #ifndef cpu_has_guestid
187 #define cpu_has_guestid __opt(MIPS_CPU_GUESTID)
190 #define cpu_has_drg __opt(MIPS_CPU_DRG)
192 #ifndef cpu_has_mips16
193 #define cpu_has_mips16 __isa_lt_and_ase(6, MIPS_ASE_MIPS16)
195 #ifndef cpu_has_mips16e2
196 #define cpu_has_mips16e2 __isa_lt_and_ase(6, MIPS_ASE_MIPS16E2)
199 #define cpu_has_mdmx __isa_lt_and_ase(6, MIPS_ASE_MDMX)
201 #ifndef cpu_has_mips3d
202 #define cpu_has_mips3d __isa_lt_and_ase(6, MIPS_ASE_MIPS3D)
204 #ifndef cpu_has_smartmips
205 #define cpu_has_smartmips __isa_lt_and_ase(6, MIPS_ASE_SMARTMIPS)
209 #define cpu_has_rixi __isa_ge_or_opt(6, MIPS_CPU_RIXI)
212 #ifndef cpu_has_mmips
213 # if defined(__mips_micromips)
214 # define cpu_has_mmips 1
215 # elif defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
216 # define cpu_has_mmips __opt(MIPS_CPU_MICROMIPS)
218 # define cpu_has_mmips 0
223 #define cpu_has_lpa __opt(MIPS_CPU_LPA)
226 #define cpu_has_mvh __opt(MIPS_CPU_MVH)
229 #define cpu_has_xpa (cpu_has_lpa && cpu_has_mvh)
231 #ifndef cpu_has_vtag_icache
232 #define cpu_has_vtag_icache (cpu_data[0].icache.flags & MIPS_CACHE_VTAG)
234 #ifndef cpu_has_dc_aliases
235 #define cpu_has_dc_aliases (cpu_data[0].dcache.flags & MIPS_CACHE_ALIASES)
237 #ifndef cpu_has_ic_fills_f_dc
238 #define cpu_has_ic_fills_f_dc (cpu_data[0].icache.flags & MIPS_CACHE_IC_F_DC)
240 #ifndef cpu_has_pindexed_dcache
241 #define cpu_has_pindexed_dcache (cpu_data[0].dcache.flags & MIPS_CACHE_PINDEX)
245 * I-Cache snoops remote store. This only matters on SMP. Some multiprocessors
246 * such as the R10000 have I-Caches that snoop local stores; the embedded ones
247 * don't. For maintaining I-cache coherency this means we need to flush the
248 * D-cache all the way back to whever the I-cache does refills from, so the
249 * I-cache has a chance to see the new data at all. Then we have to flush the
251 * Note we may have been rescheduled and may no longer be running on the CPU
252 * that did the store so we can't optimize this into only doing the flush on
255 #ifndef cpu_icache_snoops_remote_store
257 #define cpu_icache_snoops_remote_store (cpu_data[0].icache.flags & MIPS_IC_SNOOPS_REMOTE)
259 #define cpu_icache_snoops_remote_store 1
263 #ifndef cpu_has_mips_1
264 # define cpu_has_mips_1 (MIPS_ISA_REV < 6)
266 #ifndef cpu_has_mips_2
267 # define cpu_has_mips_2 __isa_lt_and_flag(6, MIPS_CPU_ISA_II)
269 #ifndef cpu_has_mips_3
270 # define cpu_has_mips_3 __isa_lt_and_flag(6, MIPS_CPU_ISA_III)
272 #ifndef cpu_has_mips_4
273 # define cpu_has_mips_4 __isa_lt_and_flag(6, MIPS_CPU_ISA_IV)
275 #ifndef cpu_has_mips_5
276 # define cpu_has_mips_5 __isa_lt_and_flag(6, MIPS_CPU_ISA_V)
278 #ifndef cpu_has_mips32r1
279 # define cpu_has_mips32r1 __isa_range_or_flag(1, 6, MIPS_CPU_ISA_M32R1)
281 #ifndef cpu_has_mips32r2
282 # define cpu_has_mips32r2 __isa_range_or_flag(2, 6, MIPS_CPU_ISA_M32R2)
284 #ifndef cpu_has_mips32r5
285 # define cpu_has_mips32r5 __isa_range_or_flag(5, 6, MIPS_CPU_ISA_M32R5)
287 #ifndef cpu_has_mips32r6
288 # define cpu_has_mips32r6 __isa_ge_or_flag(6, MIPS_CPU_ISA_M32R6)
290 #ifndef cpu_has_mips64r1
291 # define cpu_has_mips64r1 (cpu_has_64bits && \
292 __isa_range_or_flag(1, 6, MIPS_CPU_ISA_M64R1))
294 #ifndef cpu_has_mips64r2
295 # define cpu_has_mips64r2 (cpu_has_64bits && \
296 __isa_range_or_flag(2, 6, MIPS_CPU_ISA_M64R2))
298 #ifndef cpu_has_mips64r5
299 # define cpu_has_mips64r5 (cpu_has_64bits && \
300 __isa_range_or_flag(5, 6, MIPS_CPU_ISA_M64R5))
302 #ifndef cpu_has_mips64r6
303 # define cpu_has_mips64r6 __isa_ge_and_flag(6, MIPS_CPU_ISA_M64R6)
309 #define cpu_has_mips_2_3_4_5 (cpu_has_mips_2 | cpu_has_mips_3_4_5)
310 #define cpu_has_mips_3_4_5 (cpu_has_mips_3 | cpu_has_mips_4_5)
311 #define cpu_has_mips_4_5 (cpu_has_mips_4 | cpu_has_mips_5)
313 #define cpu_has_mips_2_3_4_5_r (cpu_has_mips_2 | cpu_has_mips_3_4_5_r)
314 #define cpu_has_mips_3_4_5_r (cpu_has_mips_3 | cpu_has_mips_4_5_r)
315 #define cpu_has_mips_4_5_r (cpu_has_mips_4 | cpu_has_mips_5_r)
316 #define cpu_has_mips_5_r (cpu_has_mips_5 | cpu_has_mips_r)
318 #define cpu_has_mips_3_4_5_64_r2_r6 \
319 (cpu_has_mips_3 | cpu_has_mips_4_5_64_r2_r6)
320 #define cpu_has_mips_4_5_64_r2_r6 \
321 (cpu_has_mips_4_5 | cpu_has_mips64r1 | \
322 cpu_has_mips_r2 | cpu_has_mips_r5 | \
325 #define cpu_has_mips32 (cpu_has_mips32r1 | cpu_has_mips32r2 | \
326 cpu_has_mips32r5 | cpu_has_mips32r6)
327 #define cpu_has_mips64 (cpu_has_mips64r1 | cpu_has_mips64r2 | \
328 cpu_has_mips64r5 | cpu_has_mips64r6)
329 #define cpu_has_mips_r1 (cpu_has_mips32r1 | cpu_has_mips64r1)
330 #define cpu_has_mips_r2 (cpu_has_mips32r2 | cpu_has_mips64r2)
331 #define cpu_has_mips_r5 (cpu_has_mips32r5 | cpu_has_mips64r5)
332 #define cpu_has_mips_r6 (cpu_has_mips32r6 | cpu_has_mips64r6)
333 #define cpu_has_mips_r (cpu_has_mips32r1 | cpu_has_mips32r2 | \
334 cpu_has_mips32r5 | cpu_has_mips32r6 | \
335 cpu_has_mips64r1 | cpu_has_mips64r2 | \
336 cpu_has_mips64r5 | cpu_has_mips64r6)
338 /* MIPSR2 - MIPSR6 have a lot of similarities */
339 #define cpu_has_mips_r2_r6 (cpu_has_mips_r2 | cpu_has_mips_r5 | \
343 * cpu_has_mips_r2_exec_hazard - return if IHB is required on current processor
345 * Returns non-zero value if the current processor implementation requires
346 * an IHB instruction to deal with an instruction hazard as per MIPS R2
347 * architecture specification, zero otherwise.
349 #ifndef cpu_has_mips_r2_exec_hazard
350 #define cpu_has_mips_r2_exec_hazard \
354 switch (current_cpu_type()) { \
361 case CPU_QEMU_GENERIC: \
362 case CPU_CAVIUM_OCTEON: \
363 case CPU_CAVIUM_OCTEON_PLUS: \
364 case CPU_CAVIUM_OCTEON2: \
365 case CPU_CAVIUM_OCTEON3: \
378 * MIPS32, MIPS64, VR5500, IDT32332, IDT32334 and maybe a few other
379 * pre-MIPS32/MIPS64 processors have CLO, CLZ. The IDT RC64574 is 64-bit and
380 * has CLO and CLZ but not DCLO nor DCLZ. For 64-bit kernels
381 * cpu_has_clo_clz also indicates the availability of DCLO and DCLZ.
383 #ifndef cpu_has_clo_clz
384 #define cpu_has_clo_clz cpu_has_mips_r
388 * MIPS32 R2, MIPS64 R2, Loongson 3A and Octeon have WSBH.
389 * MIPS64 R2, Loongson 3A and Octeon have WSBH, DSBH and DSHD.
390 * This indicates the availability of WSBH and in case of 64 bit CPUs also
394 #define cpu_has_wsbh cpu_has_mips_r2
398 #define cpu_has_dsp __ase(MIPS_ASE_DSP)
402 #define cpu_has_dsp2 __ase(MIPS_ASE_DSP2P)
406 #define cpu_has_dsp3 __ase(MIPS_ASE_DSP3)
409 #ifndef cpu_has_loongson_mmi
410 #define cpu_has_loongson_mmi __ase(MIPS_ASE_LOONGSON_MMI)
413 #ifndef cpu_has_loongson_cam
414 #define cpu_has_loongson_cam __ase(MIPS_ASE_LOONGSON_CAM)
417 #ifndef cpu_has_loongson_ext
418 #define cpu_has_loongson_ext __ase(MIPS_ASE_LOONGSON_EXT)
421 #ifndef cpu_has_loongson_ext2
422 #define cpu_has_loongson_ext2 __ase(MIPS_ASE_LOONGSON_EXT2)
425 #ifndef cpu_has_mipsmt
426 #define cpu_has_mipsmt __isa_range_and_ase(2, 6, MIPS_ASE_MIPSMT)
430 #define cpu_has_vp __isa_ge_and_opt(6, MIPS_CPU_VP)
433 #ifndef cpu_has_userlocal
434 #define cpu_has_userlocal __isa_ge_or_opt(6, MIPS_CPU_ULRI)
438 # ifndef cpu_has_nofpuex
439 # define cpu_has_nofpuex __isa_lt_and_opt(1, MIPS_CPU_NOFPUEX)
441 # ifndef cpu_has_64bits
442 # define cpu_has_64bits (cpu_data[0].isa_level & MIPS_CPU_ISA_64BIT)
444 # ifndef cpu_has_64bit_zero_reg
445 # define cpu_has_64bit_zero_reg (cpu_data[0].isa_level & MIPS_CPU_ISA_64BIT)
447 # ifndef cpu_has_64bit_gp_regs
448 # define cpu_has_64bit_gp_regs 0
451 # define cpu_vmbits 31
456 # ifndef cpu_has_nofpuex
457 # define cpu_has_nofpuex 0
459 # ifndef cpu_has_64bits
460 # define cpu_has_64bits 1
462 # ifndef cpu_has_64bit_zero_reg
463 # define cpu_has_64bit_zero_reg 1
465 # ifndef cpu_has_64bit_gp_regs
466 # define cpu_has_64bit_gp_regs 1
469 # define cpu_vmbits cpu_data[0].vmbits
470 # define __NEED_VMBITS_PROBE
474 #if defined(CONFIG_CPU_MIPSR2_IRQ_VI) && !defined(cpu_has_vint)
475 # define cpu_has_vint __opt(MIPS_CPU_VINT)
476 #elif !defined(cpu_has_vint)
477 # define cpu_has_vint 0
480 #if defined(CONFIG_CPU_MIPSR2_IRQ_EI) && !defined(cpu_has_veic)
481 # define cpu_has_veic __opt(MIPS_CPU_VEIC)
482 #elif !defined(cpu_has_veic)
483 # define cpu_has_veic 0
486 #ifndef cpu_has_inclusive_pcaches
487 #define cpu_has_inclusive_pcaches __opt(MIPS_CPU_INCLUSIVE_CACHES)
490 #ifndef cpu_dcache_line_size
491 #define cpu_dcache_line_size() cpu_data[0].dcache.linesz
493 #ifndef cpu_icache_line_size
494 #define cpu_icache_line_size() cpu_data[0].icache.linesz
496 #ifndef cpu_scache_line_size
497 #define cpu_scache_line_size() cpu_data[0].scache.linesz
499 #ifndef cpu_tcache_line_size
500 #define cpu_tcache_line_size() cpu_data[0].tcache.linesz
503 #ifndef cpu_hwrena_impl_bits
504 #define cpu_hwrena_impl_bits 0
507 #ifndef cpu_has_perf_cntr_intr_bit
508 #define cpu_has_perf_cntr_intr_bit __opt(MIPS_CPU_PCI)
512 #define cpu_has_vz __ase(MIPS_ASE_VZ)
515 #if defined(CONFIG_CPU_HAS_MSA) && !defined(cpu_has_msa)
516 # define cpu_has_msa __ase(MIPS_ASE_MSA)
517 #elif !defined(cpu_has_msa)
518 # define cpu_has_msa 0
522 # define cpu_has_ufr __opt(MIPS_CPU_UFR)
526 # define cpu_has_fre __opt(MIPS_CPU_FRE)
530 # define cpu_has_cdmm __opt(MIPS_CPU_CDMM)
533 #ifndef cpu_has_small_pages
534 # define cpu_has_small_pages __opt(MIPS_CPU_SP)
537 #ifndef cpu_has_nan_legacy
538 #define cpu_has_nan_legacy __isa_lt_and_opt(6, MIPS_CPU_NAN_LEGACY)
540 #ifndef cpu_has_nan_2008
541 #define cpu_has_nan_2008 __isa_ge_or_opt(6, MIPS_CPU_NAN_2008)
544 #ifndef cpu_has_ebase_wg
545 # define cpu_has_ebase_wg __opt(MIPS_CPU_EBASE_WG)
548 #ifndef cpu_has_badinstr
549 # define cpu_has_badinstr __isa_ge_or_opt(6, MIPS_CPU_BADINSTR)
552 #ifndef cpu_has_badinstrp
553 # define cpu_has_badinstrp __isa_ge_or_opt(6, MIPS_CPU_BADINSTRP)
556 #ifndef cpu_has_contextconfig
557 # define cpu_has_contextconfig __opt(MIPS_CPU_CTXTC)
561 # define cpu_has_perf __opt(MIPS_CPU_PERF)
564 #ifndef cpu_has_mac2008_only
565 # define cpu_has_mac2008_only __opt(MIPS_CPU_MAC_2008_ONLY)
568 #ifndef cpu_has_ftlbparex
569 # define cpu_has_ftlbparex __opt(MIPS_CPU_FTLBPAREX)
572 #ifndef cpu_has_gsexcex
573 # define cpu_has_gsexcex __opt(MIPS_CPU_GSEXCEX)
578 * Some systems share FTLB RAMs between threads within a core (siblings in
579 * kernel parlance). This means that FTLB entries may become invalid at almost
580 * any point when an entry is evicted due to a sibling thread writing an entry
581 * to the shared FTLB RAM.
583 * This is only relevant to SMP systems, and the only systems that exhibit this
584 * property implement MIPSr6 or higher so we constrain support for this to
585 * kernels that will run on such systems.
587 # ifndef cpu_has_shared_ftlb_ram
588 # define cpu_has_shared_ftlb_ram \
589 __isa_ge_and_opt(6, MIPS_CPU_SHARED_FTLB_RAM)
593 * Some systems take this a step further & share FTLB entries between siblings.
594 * This is implemented as TLB writes happening as usual, but if an entry
595 * written by a sibling exists in the shared FTLB for a translation which would
596 * otherwise cause a TLB refill exception then the CPU will use the entry
597 * written by its sibling rather than triggering a refill & writing a matching
598 * TLB entry for itself.
600 * This is naturally only valid if a TLB entry is known to be suitable for use
601 * on all siblings in a CPU, and so it only takes effect when MMIDs are in use
602 * rather than ASIDs or when a TLB entry is marked global.
604 # ifndef cpu_has_shared_ftlb_entries
605 # define cpu_has_shared_ftlb_entries \
606 __isa_ge_and_opt(6, MIPS_CPU_SHARED_FTLB_ENTRIES)
610 #ifndef cpu_has_shared_ftlb_ram
611 # define cpu_has_shared_ftlb_ram 0
613 #ifndef cpu_has_shared_ftlb_entries
614 # define cpu_has_shared_ftlb_entries 0
617 #ifdef CONFIG_MIPS_MT_SMP
618 # define cpu_has_mipsmt_pertccounters \
619 __isa_lt_and_opt(6, MIPS_CPU_MT_PER_TC_PERF_COUNTERS)
621 # define cpu_has_mipsmt_pertccounters 0
622 #endif /* CONFIG_MIPS_MT_SMP */
625 * We only enable MMID support for configurations which natively support 64 bit
626 * atomics because getting good performance from the allocator relies upon
627 * efficient atomic64_*() functions.
630 # ifdef CONFIG_GENERIC_ATOMIC64
631 # define cpu_has_mmid 0
633 # define cpu_has_mmid __isa_ge_and_opt(6, MIPS_CPU_MMID)
637 #ifndef cpu_has_mm_sysad
638 # define cpu_has_mm_sysad __opt(MIPS_CPU_MM_SYSAD)
641 #ifndef cpu_has_mm_full
642 # define cpu_has_mm_full __opt(MIPS_CPU_MM_FULL)
648 #ifndef cpu_guest_has_conf1
649 #define cpu_guest_has_conf1 (cpu_data[0].guest.conf & (1 << 1))
651 #ifndef cpu_guest_has_conf2
652 #define cpu_guest_has_conf2 (cpu_data[0].guest.conf & (1 << 2))
654 #ifndef cpu_guest_has_conf3
655 #define cpu_guest_has_conf3 (cpu_data[0].guest.conf & (1 << 3))
657 #ifndef cpu_guest_has_conf4
658 #define cpu_guest_has_conf4 (cpu_data[0].guest.conf & (1 << 4))
660 #ifndef cpu_guest_has_conf5
661 #define cpu_guest_has_conf5 (cpu_data[0].guest.conf & (1 << 5))
663 #ifndef cpu_guest_has_conf6
664 #define cpu_guest_has_conf6 (cpu_data[0].guest.conf & (1 << 6))
666 #ifndef cpu_guest_has_conf7
667 #define cpu_guest_has_conf7 (cpu_data[0].guest.conf & (1 << 7))
669 #ifndef cpu_guest_has_fpu
670 #define cpu_guest_has_fpu (cpu_data[0].guest.options & MIPS_CPU_FPU)
672 #ifndef cpu_guest_has_watch
673 #define cpu_guest_has_watch (cpu_data[0].guest.options & MIPS_CPU_WATCH)
675 #ifndef cpu_guest_has_contextconfig
676 #define cpu_guest_has_contextconfig (cpu_data[0].guest.options & MIPS_CPU_CTXTC)
678 #ifndef cpu_guest_has_segments
679 #define cpu_guest_has_segments (cpu_data[0].guest.options & MIPS_CPU_SEGMENTS)
681 #ifndef cpu_guest_has_badinstr
682 #define cpu_guest_has_badinstr (cpu_data[0].guest.options & MIPS_CPU_BADINSTR)
684 #ifndef cpu_guest_has_badinstrp
685 #define cpu_guest_has_badinstrp (cpu_data[0].guest.options & MIPS_CPU_BADINSTRP)
687 #ifndef cpu_guest_has_htw
688 #define cpu_guest_has_htw (cpu_data[0].guest.options & MIPS_CPU_HTW)
690 #ifndef cpu_guest_has_ldpte
691 #define cpu_guest_has_ldpte (cpu_data[0].guest.options & MIPS_CPU_LDPTE)
693 #ifndef cpu_guest_has_mvh
694 #define cpu_guest_has_mvh (cpu_data[0].guest.options & MIPS_CPU_MVH)
696 #ifndef cpu_guest_has_msa
697 #define cpu_guest_has_msa (cpu_data[0].guest.ases & MIPS_ASE_MSA)
699 #ifndef cpu_guest_has_kscr
700 #define cpu_guest_has_kscr(n) (cpu_data[0].guest.kscratch_mask & (1u << (n)))
702 #ifndef cpu_guest_has_rw_llb
703 #define cpu_guest_has_rw_llb (cpu_has_mips_r6 || (cpu_data[0].guest.options & MIPS_CPU_RW_LLB))
705 #ifndef cpu_guest_has_perf
706 #define cpu_guest_has_perf (cpu_data[0].guest.options & MIPS_CPU_PERF)
708 #ifndef cpu_guest_has_maar
709 #define cpu_guest_has_maar (cpu_data[0].guest.options & MIPS_CPU_MAAR)
711 #ifndef cpu_guest_has_userlocal
712 #define cpu_guest_has_userlocal (cpu_data[0].guest.options & MIPS_CPU_ULRI)
716 * Guest dynamic capabilities
718 #ifndef cpu_guest_has_dyn_fpu
719 #define cpu_guest_has_dyn_fpu (cpu_data[0].guest.options_dyn & MIPS_CPU_FPU)
721 #ifndef cpu_guest_has_dyn_watch
722 #define cpu_guest_has_dyn_watch (cpu_data[0].guest.options_dyn & MIPS_CPU_WATCH)
724 #ifndef cpu_guest_has_dyn_contextconfig
725 #define cpu_guest_has_dyn_contextconfig (cpu_data[0].guest.options_dyn & MIPS_CPU_CTXTC)
727 #ifndef cpu_guest_has_dyn_perf
728 #define cpu_guest_has_dyn_perf (cpu_data[0].guest.options_dyn & MIPS_CPU_PERF)
730 #ifndef cpu_guest_has_dyn_msa
731 #define cpu_guest_has_dyn_msa (cpu_data[0].guest.ases_dyn & MIPS_ASE_MSA)
733 #ifndef cpu_guest_has_dyn_maar
734 #define cpu_guest_has_dyn_maar (cpu_data[0].guest.options_dyn & MIPS_CPU_MAAR)
737 #endif /* __ASM_CPU_FEATURES_H */