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/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2003, 2004 Ralf Baechle * Copyright (C) 2004 Maciej W. Rozycki / #ifndef __ASM_CPU_FEATURES_H #define __ASM_CPU_FEATURES_H #include <asm/cpu.h> #include <asm/cpu-info.h> #include <asm/isa-rev.h> #include <cpu-feature-overrides.h> #define __ase(ase) (cpu_data[0].ases & (ase)) #define __isa(isa) (cpu_data[0].isa_level & (isa)) #define __opt(opt) (cpu_data[0].options & (opt)) / * Check if MIPS_ISA_REV is >= isa and an option or ASE is detected during * boot (typically by cpu_probe()). * * Note that these should only be used in cases where a kernel built for an * older ISA cannot run on a CPU which supports the feature in question. For * example this may be used for features introduced with MIPSr6, since a kernel * built for an older ISA cannot run on a MIPSr6 CPU. This should not be used * for MIPSr2 features however, since a MIPSr1 or earlier kernel might run on a * MIPSr2 CPU. / #define __isa_ge_and_ase(isa, ase) ((MIPS_ISA_REV >= (isa)) && __ase(ase)) #define __isa_ge_and_opt(isa, opt) ((MIPS_ISA_REV >= (isa)) && __opt(opt)) / * Check if MIPS_ISA_REV is >= isa or an option or ASE is detected during * boot (typically by cpu_probe()). * * These are for use with features that are optional up until a particular ISA * revision & then become required. / #define __isa_ge_or_ase(isa, ase) ((MIPS_ISA_REV >= (isa)) \|\| __ase(ase)) #define __isa_ge_or_opt(isa, opt) ((MIPS_ISA_REV >= (isa)) \|\| __opt(opt)) / * Check if MIPS_ISA_REV is < isa and an option or ASE is detected during * boot (typically by cpu_probe()). * * These are for use with features that are optional up until a particular ISA * revision & are then removed - ie. no longer present in any CPU implementing * the given ISA revision. / #define __isa_lt_and_ase(isa, ase) ((MIPS_ISA_REV < (isa)) && __ase(ase)) #define __isa_lt_and_opt(isa, opt) ((MIPS_ISA_REV < (isa)) && __opt(opt)) / * Similarly allow for ISA level checks that take into account knowledge of the * ISA targeted by the kernel build, provided by MIPS_ISA_REV. / #define __isa_ge_and_flag(isa, flag) ((MIPS_ISA_REV >= (isa)) && __isa(flag)) #define __isa_ge_or_flag(isa, flag) ((MIPS_ISA_REV >= (isa)) \|\| __isa(flag)) #define __isa_lt_and_flag(isa, flag) ((MIPS_ISA_REV < (isa)) && __isa(flag)) #define __isa_range(ge, lt) \ ((MIPS_ISA_REV >= (ge)) && (MIPS_ISA_REV < (lt))) #define __isa_range_or_flag(ge, lt, flag) \ (__isa_range(ge, lt) \|\| ((MIPS_ISA_REV < (lt)) && __isa(flag))) / * SMP assumption: Options of CPU 0 are a superset of all processors. * This is true for all known MIPS systems. / #ifndef cpu_has_tlb #define cpu_has_tlb __opt(MIPS_CPU_TLB) #endif #ifndef cpu_has_ftlb #define cpu_has_ftlb __opt(MIPS_CPU_FTLB) #endif #ifndef cpu_has_tlbinv #define cpu_has_tlbinv __opt(MIPS_CPU_TLBINV) #endif #ifndef cpu_has_segments #define cpu_has_segments __opt(MIPS_CPU_SEGMENTS) #endif #ifndef cpu_has_eva #define cpu_has_eva __opt(MIPS_CPU_EVA) #endif #ifndef cpu_has_htw #define cpu_has_htw __opt(MIPS_CPU_HTW) #endif #ifndef cpu_has_ldpte #define cpu_has_ldpte __opt(MIPS_CPU_LDPTE) #endif #ifndef cpu_has_rixiex #define cpu_has_rixiex __isa_ge_or_opt(6, MIPS_CPU_RIXIEX) #endif #ifndef cpu_has_maar #define cpu_has_maar __opt(MIPS_CPU_MAAR) #endif #ifndef cpu_has_rw_llb #define cpu_has_rw_llb __isa_ge_or_opt(6, MIPS_CPU_RW_LLB) #endif / * For the moment we don't consider R6000 and R8000 so we can assume that * anything that doesn't support R4000-style exceptions and interrupts is * R3000-like. Users should still treat these two macro definitions as * opaque. / #ifndef cpu_has_3kex #define cpu_has_3kex (!cpu_has_4kex) #endif #ifndef cpu_has_4kex #define cpu_has_4kex __isa_ge_or_opt(1, MIPS_CPU_4KEX) #endif #ifndef cpu_has_3k_cache #define cpu_has_3k_cache __isa_lt_and_opt(1, MIPS_CPU_3K_CACHE) #endif #define cpu_has_6k_cache 0 #define cpu_has_8k_cache 0 #ifndef cpu_has_4k_cache #define cpu_has_4k_cache __isa_ge_or_opt(1, MIPS_CPU_4K_CACHE) #endif #ifndef cpu_has_tx39_cache #define cpu_has_tx39_cache __opt(MIPS_CPU_TX39_CACHE) #endif #ifndef cpu_has_octeon_cache #define cpu_has_octeon_cache \ ({ \ int __res; \ \ switch (boot_cpu_type()) { \ case CPU_CAVIUM_OCTEON: \ case CPU_CAVIUM_OCTEON_PLUS: \ case CPU_CAVIUM_OCTEON2: \ case CPU_CAVIUM_OCTEON3: \ __res = 1; \ break; \ \ default: \ __res = 0; \ } \ \ __res; \ }) #endif / Don't override `cpu_has_fpu' to 1 or the "nofpu" option won't work. / #ifndef cpu_has_fpu # ifdef CONFIG_MIPS_FP_SUPPORT # define cpu_has_fpu (current_cpu_data.options & MIPS_CPU_FPU) # define raw_cpu_has_fpu (raw_current_cpu_data.options & MIPS_CPU_FPU) # else # define cpu_has_fpu 0 # define raw_cpu_has_fpu 0 # endif #else # define raw_cpu_has_fpu cpu_has_fpu #endif #ifndef cpu_has_32fpr #define cpu_has_32fpr __isa_ge_or_opt(1, MIPS_CPU_32FPR) #endif #ifndef cpu_has_counter #define cpu_has_counter __opt(MIPS_CPU_COUNTER) #endif #ifndef cpu_has_watch #define cpu_has_watch __opt(MIPS_CPU_WATCH) #endif #ifndef cpu_has_divec #define cpu_has_divec __isa_ge_or_opt(1, MIPS_CPU_DIVEC) #endif #ifndef cpu_has_vce #define cpu_has_vce __opt(MIPS_CPU_VCE) #endif #ifndef cpu_has_cache_cdex_p #define cpu_has_cache_cdex_p __opt(MIPS_CPU_CACHE_CDEX_P) #endif #ifndef cpu_has_cache_cdex_s #define cpu_has_cache_cdex_s __opt(MIPS_CPU_CACHE_CDEX_S) #endif #ifndef cpu_has_prefetch #define cpu_has_prefetch __isa_ge_or_opt(1, MIPS_CPU_PREFETCH) #endif #ifndef cpu_has_mcheck #define cpu_has_mcheck __isa_ge_or_opt(1, MIPS_CPU_MCHECK) #endif #ifndef cpu_has_ejtag #define cpu_has_ejtag __opt(MIPS_CPU_EJTAG) #endif #ifndef cpu_has_llsc #define cpu_has_llsc __isa_ge_or_opt(1, MIPS_CPU_LLSC) #endif #ifndef cpu_has_bp_ghist #define cpu_has_bp_ghist __opt(MIPS_CPU_BP_GHIST) #endif #ifndef kernel_uses_llsc #define kernel_uses_llsc cpu_has_llsc #endif #ifndef cpu_has_guestctl0ext #define cpu_has_guestctl0ext __opt(MIPS_CPU_GUESTCTL0EXT) #endif #ifndef cpu_has_guestctl1 #define cpu_has_guestctl1 __opt(MIPS_CPU_GUESTCTL1) #endif #ifndef cpu_has_guestctl2 #define cpu_has_guestctl2 __opt(MIPS_CPU_GUESTCTL2) #endif #ifndef cpu_has_guestid #define cpu_has_guestid __opt(MIPS_CPU_GUESTID) #endif #ifndef cpu_has_drg #define cpu_has_drg __opt(MIPS_CPU_DRG) #endif #ifndef cpu_has_mips16 #define cpu_has_mips16 __isa_lt_and_ase(6, MIPS_ASE_MIPS16) #endif #ifndef cpu_has_mips16e2 #define cpu_has_mips16e2 __isa_lt_and_ase(6, MIPS_ASE_MIPS16E2) #endif #ifndef cpu_has_mdmx #define cpu_has_mdmx __isa_lt_and_ase(6, MIPS_ASE_MDMX) #endif #ifndef cpu_has_mips3d #define cpu_has_mips3d __isa_lt_and_ase(6, MIPS_ASE_MIPS3D) #endif #ifndef cpu_has_smartmips #define cpu_has_smartmips __isa_lt_and_ase(6, MIPS_ASE_SMARTMIPS) #endif #ifndef cpu_has_rixi #define cpu_has_rixi __isa_ge_or_opt(6, MIPS_CPU_RIXI) #endif #ifndef cpu_has_mmips # if defined(__mips_micromips) # define cpu_has_mmips 1 # elif defined(CONFIG_SYS_SUPPORTS_MICROMIPS) # define cpu_has_mmips __opt(MIPS_CPU_MICROMIPS) # else # define cpu_has_mmips 0 # endif #endif #ifndef cpu_has_lpa #define cpu_has_lpa __opt(MIPS_CPU_LPA) #endif #ifndef cpu_has_mvh #define cpu_has_mvh __opt(MIPS_CPU_MVH) #endif #ifndef cpu_has_xpa #define cpu_has_xpa (cpu_has_lpa && cpu_has_mvh) #endif #ifndef cpu_has_vtag_icache #define cpu_has_vtag_icache (cpu_data[0].icache.flags & MIPS_CACHE_VTAG) #endif #ifndef cpu_has_dc_aliases #define cpu_has_dc_aliases (cpu_data[0].dcache.flags & MIPS_CACHE_ALIASES) #endif #ifndef cpu_has_ic_fills_f_dc #define cpu_has_ic_fills_f_dc (cpu_data[0].icache.flags & MIPS_CACHE_IC_F_DC) #endif #ifndef cpu_has_pindexed_dcache #define cpu_has_pindexed_dcache (cpu_data[0].dcache.flags & MIPS_CACHE_PINDEX) #endif / * I-Cache snoops remote store. This only matters on SMP. Some multiprocessors * such as the R10000 have I-Caches that snoop local stores; the embedded ones * don't. For maintaining I-cache coherency this means we need to flush the * D-cache all the way back to whever the I-cache does refills from, so the * I-cache has a chance to see the new data at all. Then we have to flush the * I-cache also. * Note we may have been rescheduled and may no longer be running on the CPU * that did the store so we can't optimize this into only doing the flush on * the local CPU. / #ifndef cpu_icache_snoops_remote_store #ifdef CONFIG_SMP #define cpu_icache_snoops_remote_store (cpu_data[0].icache.flags & MIPS_IC_SNOOPS_REMOTE) #else #define cpu_icache_snoops_remote_store 1 #endif #endif #ifndef cpu_has_mips_1 # define cpu_has_mips_1 (MIPS_ISA_REV < 6) #endif #ifndef cpu_has_mips_2 # define cpu_has_mips_2 __isa_lt_and_flag(6, MIPS_CPU_ISA_II) #endif #ifndef cpu_has_mips_3 # define cpu_has_mips_3 __isa_lt_and_flag(6, MIPS_CPU_ISA_III) #endif #ifndef cpu_has_mips_4 # define cpu_has_mips_4 __isa_lt_and_flag(6, MIPS_CPU_ISA_IV) #endif #ifndef cpu_has_mips_5 # define cpu_has_mips_5 __isa_lt_and_flag(6, MIPS_CPU_ISA_V) #endif #ifndef cpu_has_mips32r1 # define cpu_has_mips32r1 __isa_range_or_flag(1, 6, MIPS_CPU_ISA_M32R1) #endif #ifndef cpu_has_mips32r2 # define cpu_has_mips32r2 __isa_range_or_flag(2, 6, MIPS_CPU_ISA_M32R2) #endif #ifndef cpu_has_mips32r6 # define cpu_has_mips32r6 __isa_ge_or_flag(6, MIPS_CPU_ISA_M32R6) #endif #ifndef cpu_has_mips64r1 # define cpu_has_mips64r1 (cpu_has_64bits && \ __isa_range_or_flag(1, 6, MIPS_CPU_ISA_M64R1)) #endif #ifndef cpu_has_mips64r2 # define cpu_has_mips64r2 (cpu_has_64bits && \ __isa_range_or_flag(2, 6, MIPS_CPU_ISA_M64R2)) #endif #ifndef cpu_has_mips64r6 # define cpu_has_mips64r6 __isa_ge_and_flag(6, MIPS_CPU_ISA_M64R6) #endif / * Shortcuts ... / #define cpu_has_mips_2_3_4_5 (cpu_has_mips_2 \| cpu_has_mips_3_4_5) #define cpu_has_mips_3_4_5 (cpu_has_mips_3 \| cpu_has_mips_4_5) #define cpu_has_mips_4_5 (cpu_has_mips_4 \| cpu_has_mips_5) #define cpu_has_mips_2_3_4_5_r (cpu_has_mips_2 \| cpu_has_mips_3_4_5_r) #define cpu_has_mips_3_4_5_r (cpu_has_mips_3 \| cpu_has_mips_4_5_r) #define cpu_has_mips_4_5_r (cpu_has_mips_4 \| cpu_has_mips_5_r) #define cpu_has_mips_5_r (cpu_has_mips_5 \| cpu_has_mips_r) #define cpu_has_mips_3_4_5_64_r2_r6 \ (cpu_has_mips_3 \| cpu_has_mips_4_5_64_r2_r6) #define cpu_has_mips_4_5_64_r2_r6 \ (cpu_has_mips_4_5 \| cpu_has_mips64r1 \| \ cpu_has_mips_r2 \| cpu_has_mips_r6) #define cpu_has_mips32 (cpu_has_mips32r1 \| cpu_has_mips32r2 \| cpu_has_mips32r6) #define cpu_has_mips64 (cpu_has_mips64r1 \| cpu_has_mips64r2 \| cpu_has_mips64r6) #define cpu_has_mips_r1 (cpu_has_mips32r1 \| cpu_has_mips64r1) #define cpu_has_mips_r2 (cpu_has_mips32r2 \| cpu_has_mips64r2) #define cpu_has_mips_r6 (cpu_has_mips32r6 \| cpu_has_mips64r6) #define cpu_has_mips_r (cpu_has_mips32r1 \| cpu_has_mips32r2 \| \ cpu_has_mips32r6 \| cpu_has_mips64r1 \| \ cpu_has_mips64r2 \| cpu_has_mips64r6) / MIPSR2 and MIPSR6 have a lot of similarities / #define cpu_has_mips_r2_r6 (cpu_has_mips_r2 \| cpu_has_mips_r6) / * cpu_has_mips_r2_exec_hazard - return if IHB is required on current processor * * Returns non-zero value if the current processor implementation requires * an IHB instruction to deal with an instruction hazard as per MIPS R2 * architecture specification, zero otherwise. / #ifndef cpu_has_mips_r2_exec_hazard #define cpu_has_mips_r2_exec_hazard \ ({ \ int __res; \ \ switch (boot_cpu_type()) { \ case CPU_M14KC: \ case CPU_74K: \ case CPU_1074K: \ case CPU_PROAPTIV: \ case CPU_P5600: \ case CPU_M5150: \ case CPU_QEMU_GENERIC: \ case CPU_CAVIUM_OCTEON: \ case CPU_CAVIUM_OCTEON_PLUS: \ case CPU_CAVIUM_OCTEON2: \ case CPU_CAVIUM_OCTEON3: \ __res = 0; \ break; \ \ default: \ __res = 1; \ } \ \ __res; \ }) #endif / * MIPS32, MIPS64, VR5500, IDT32332, IDT32334 and maybe a few other * pre-MIPS32/MIPS64 processors have CLO, CLZ. The IDT RC64574 is 64-bit and * has CLO and CLZ but not DCLO nor DCLZ. For 64-bit kernels * cpu_has_clo_clz also indicates the availability of DCLO and DCLZ. / #ifndef cpu_has_clo_clz #define cpu_has_clo_clz cpu_has_mips_r #endif / * MIPS32 R2, MIPS64 R2, Loongson 3A and Octeon have WSBH. * MIPS64 R2, Loongson 3A and Octeon have WSBH, DSBH and DSHD. * This indicates the availability of WSBH and in case of 64 bit CPUs also * DSBH and DSHD. / #ifndef cpu_has_wsbh #define cpu_has_wsbh cpu_has_mips_r2 #endif #ifndef cpu_has_dsp #define cpu_has_dsp __ase(MIPS_ASE_DSP) #endif #ifndef cpu_has_dsp2 #define cpu_has_dsp2 __ase(MIPS_ASE_DSP2P) #endif #ifndef cpu_has_dsp3 #define cpu_has_dsp3 __ase(MIPS_ASE_DSP3) #endif #ifndef cpu_has_loongson_mmi #define cpu_has_loongson_mmi __ase(MIPS_ASE_LOONGSON_MMI) #endif #ifndef cpu_has_loongson_cam #define cpu_has_loongson_cam __ase(MIPS_ASE_LOONGSON_CAM) #endif #ifndef cpu_has_loongson_ext #define cpu_has_loongson_ext __ase(MIPS_ASE_LOONGSON_EXT) #endif #ifndef cpu_has_loongson_ext2 #define cpu_has_loongson_ext2 __ase(MIPS_ASE_LOONGSON_EXT2) #endif #ifndef cpu_has_mipsmt #define cpu_has_mipsmt __isa_lt_and_ase(6, MIPS_ASE_MIPSMT) #endif #ifndef cpu_has_vp #define cpu_has_vp __isa_ge_and_opt(6, MIPS_CPU_VP) #endif #ifndef cpu_has_userlocal #define cpu_has_userlocal __isa_ge_or_opt(6, MIPS_CPU_ULRI) #endif #ifdef CONFIG_32BIT # ifndef cpu_has_nofpuex # define cpu_has_nofpuex __isa_lt_and_opt(1, MIPS_CPU_NOFPUEX) # endif # ifndef cpu_has_64bits # define cpu_has_64bits (cpu_data[0].isa_level & MIPS_CPU_ISA_64BIT) # endif # ifndef cpu_has_64bit_zero_reg # define cpu_has_64bit_zero_reg (cpu_data[0].isa_level & MIPS_CPU_ISA_64BIT) # endif # ifndef cpu_has_64bit_gp_regs # define cpu_has_64bit_gp_regs 0 # endif # ifndef cpu_has_64bit_addresses # define cpu_has_64bit_addresses 0 # endif # ifndef cpu_vmbits # define cpu_vmbits 31 # endif #endif #ifdef CONFIG_64BIT # ifndef cpu_has_nofpuex # define cpu_has_nofpuex 0 # endif # ifndef cpu_has_64bits # define cpu_has_64bits 1 # endif # ifndef cpu_has_64bit_zero_reg # define cpu_has_64bit_zero_reg 1 # endif # ifndef cpu_has_64bit_gp_regs # define cpu_has_64bit_gp_regs 1 # endif # ifndef cpu_has_64bit_addresses # define cpu_has_64bit_addresses 1 # endif # ifndef cpu_vmbits # define cpu_vmbits cpu_data[0].vmbits # define __NEED_VMBITS_PROBE # endif #endif #if defined(CONFIG_CPU_MIPSR2_IRQ_VI) && !defined(cpu_has_vint) # define cpu_has_vint __opt(MIPS_CPU_VINT) #elif !defined(cpu_has_vint) # define cpu_has_vint 0 #endif #if defined(CONFIG_CPU_MIPSR2_IRQ_EI) && !defined(cpu_has_veic) # define cpu_has_veic __opt(MIPS_CPU_VEIC) #elif !defined(cpu_has_veic) # define cpu_has_veic 0 #endif #ifndef cpu_has_inclusive_pcaches #define cpu_has_inclusive_pcaches __opt(MIPS_CPU_INCLUSIVE_CACHES) #endif #ifndef cpu_dcache_line_size #define cpu_dcache_line_size() cpu_data[0].dcache.linesz #endif #ifndef cpu_icache_line_size #define cpu_icache_line_size() cpu_data[0].icache.linesz #endif #ifndef cpu_scache_line_size #define cpu_scache_line_size() cpu_data[0].scache.linesz #endif #ifndef cpu_tcache_line_size #define cpu_tcache_line_size() cpu_data[0].tcache.linesz #endif #ifndef cpu_hwrena_impl_bits #define cpu_hwrena_impl_bits 0 #endif #ifndef cpu_has_perf_cntr_intr_bit #define cpu_has_perf_cntr_intr_bit __opt(MIPS_CPU_PCI) #endif #ifndef cpu_has_vz #define cpu_has_vz __ase(MIPS_ASE_VZ) #endif #if defined(CONFIG_CPU_HAS_MSA) && !defined(cpu_has_msa) # define cpu_has_msa __ase(MIPS_ASE_MSA) #elif !defined(cpu_has_msa) # define cpu_has_msa 0 #endif #ifndef cpu_has_ufr # define cpu_has_ufr __opt(MIPS_CPU_UFR) #endif #ifndef cpu_has_fre # define cpu_has_fre __opt(MIPS_CPU_FRE) #endif #ifndef cpu_has_cdmm # define cpu_has_cdmm __opt(MIPS_CPU_CDMM) #endif #ifndef cpu_has_small_pages # define cpu_has_small_pages __opt(MIPS_CPU_SP) #endif #ifndef cpu_has_nan_legacy #define cpu_has_nan_legacy __isa_lt_and_opt(6, MIPS_CPU_NAN_LEGACY) #endif #ifndef cpu_has_nan_2008 #define cpu_has_nan_2008 __isa_ge_or_opt(6, MIPS_CPU_NAN_2008) #endif #ifndef cpu_has_ebase_wg # define cpu_has_ebase_wg __opt(MIPS_CPU_EBASE_WG) #endif #ifndef cpu_has_badinstr # define cpu_has_badinstr __isa_ge_or_opt(6, MIPS_CPU_BADINSTR) #endif #ifndef cpu_has_badinstrp # define cpu_has_badinstrp __isa_ge_or_opt(6, MIPS_CPU_BADINSTRP) #endif #ifndef cpu_has_contextconfig # define cpu_has_contextconfig __opt(MIPS_CPU_CTXTC) #endif #ifndef cpu_has_perf # define cpu_has_perf __opt(MIPS_CPU_PERF) #endif #ifdef CONFIG_SMP / * Some systems share FTLB RAMs between threads within a core (siblings in * kernel parlance). This means that FTLB entries may become invalid at almost * any point when an entry is evicted due to a sibling thread writing an entry * to the shared FTLB RAM. * * This is only relevant to SMP systems, and the only systems that exhibit this * property implement MIPSr6 or higher so we constrain support for this to * kernels that will run on such systems. / # ifndef cpu_has_shared_ftlb_ram # define cpu_has_shared_ftlb_ram \ __isa_ge_and_opt(6, MIPS_CPU_SHARED_FTLB_RAM) # endif / * Some systems take this a step further & share FTLB entries between siblings. * This is implemented as TLB writes happening as usual, but if an entry * written by a sibling exists in the shared FTLB for a translation which would * otherwise cause a TLB refill exception then the CPU will use the entry * written by its sibling rather than triggering a refill & writing a matching * TLB entry for itself. * * This is naturally only valid if a TLB entry is known to be suitable for use * on all siblings in a CPU, and so it only takes effect when MMIDs are in use * rather than ASIDs or when a TLB entry is marked global. / # ifndef cpu_has_shared_ftlb_entries # define cpu_has_shared_ftlb_entries \ __isa_ge_and_opt(6, MIPS_CPU_SHARED_FTLB_ENTRIES) # endif #endif / SMP / #ifndef cpu_has_shared_ftlb_ram # define cpu_has_shared_ftlb_ram 0 #endif #ifndef cpu_has_shared_ftlb_entries # define cpu_has_shared_ftlb_entries 0 #endif #ifdef CONFIG_MIPS_MT_SMP # define cpu_has_mipsmt_pertccounters \ __isa_lt_and_opt(6, MIPS_CPU_MT_PER_TC_PERF_COUNTERS) #else # define cpu_has_mipsmt_pertccounters 0 #endif / CONFIG_MIPS_MT_SMP / / * We only enable MMID support for configurations which natively support 64 bit * atomics because getting good performance from the allocator relies upon * efficient atomic64_() functions. / #ifndef cpu_has_mmid # ifdef CONFIG_GENERIC_ATOMIC64 # define cpu_has_mmid 0 # else # define cpu_has_mmid __isa_ge_and_opt(6, MIPS_CPU_MMID) # endif #endif /* * Guest capabilities / #ifndef cpu_guest_has_conf1 #define cpu_guest_has_conf1 (cpu_data[0].guest.conf & (1 << 1)) #endif #ifndef cpu_guest_has_conf2 #define cpu_guest_has_conf2 (cpu_data[0].guest.conf & (1 << 2)) #endif #ifndef cpu_guest_has_conf3 #define cpu_guest_has_conf3 (cpu_data[0].guest.conf & (1 << 3)) #endif #ifndef cpu_guest_has_conf4 #define cpu_guest_has_conf4 (cpu_data[0].guest.conf & (1 << 4)) #endif #ifndef cpu_guest_has_conf5 #define cpu_guest_has_conf5 (cpu_data[0].guest.conf & (1 << 5)) #endif #ifndef cpu_guest_has_conf6 #define cpu_guest_has_conf6 (cpu_data[0].guest.conf & (1 << 6)) #endif #ifndef cpu_guest_has_conf7 #define cpu_guest_has_conf7 (cpu_data[0].guest.conf & (1 << 7)) #endif #ifndef cpu_guest_has_fpu #define cpu_guest_has_fpu (cpu_data[0].guest.options & MIPS_CPU_FPU) #endif #ifndef cpu_guest_has_watch #define cpu_guest_has_watch (cpu_data[0].guest.options & MIPS_CPU_WATCH) #endif #ifndef cpu_guest_has_contextconfig #define cpu_guest_has_contextconfig (cpu_data[0].guest.options & MIPS_CPU_CTXTC) #endif #ifndef cpu_guest_has_segments #define cpu_guest_has_segments (cpu_data[0].guest.options & MIPS_CPU_SEGMENTS) #endif #ifndef cpu_guest_has_badinstr #define cpu_guest_has_badinstr (cpu_data[0].guest.options & MIPS_CPU_BADINSTR) #endif #ifndef cpu_guest_has_badinstrp #define cpu_guest_has_badinstrp (cpu_data[0].guest.options & MIPS_CPU_BADINSTRP) #endif #ifndef cpu_guest_has_htw #define cpu_guest_has_htw (cpu_data[0].guest.options & MIPS_CPU_HTW) #endif #ifndef cpu_guest_has_mvh #define cpu_guest_has_mvh (cpu_data[0].guest.options & MIPS_CPU_MVH) #endif #ifndef cpu_guest_has_msa #define cpu_guest_has_msa (cpu_data[0].guest.ases & MIPS_ASE_MSA) #endif #ifndef cpu_guest_has_kscr #define cpu_guest_has_kscr(n) (cpu_data[0].guest.kscratch_mask & (1u << (n))) #endif #ifndef cpu_guest_has_rw_llb #define cpu_guest_has_rw_llb (cpu_has_mips_r6 \|\| (cpu_data[0].guest.options & MIPS_CPU_RW_LLB)) #endif #ifndef cpu_guest_has_perf #define cpu_guest_has_perf (cpu_data[0].guest.options & MIPS_CPU_PERF) #endif #ifndef cpu_guest_has_maar #define cpu_guest_has_maar (cpu_data[0].guest.options & MIPS_CPU_MAAR) #endif #ifndef cpu_guest_has_userlocal #define cpu_guest_has_userlocal (cpu_data[0].guest.options & MIPS_CPU_ULRI) #endif / * Guest dynamic capabilities / #ifndef cpu_guest_has_dyn_fpu #define cpu_guest_has_dyn_fpu (cpu_data[0].guest.options_dyn & MIPS_CPU_FPU) #endif #ifndef cpu_guest_has_dyn_watch #define cpu_guest_has_dyn_watch (cpu_data[0].guest.options_dyn & MIPS_CPU_WATCH) #endif #ifndef cpu_guest_has_dyn_contextconfig #define cpu_guest_has_dyn_contextconfig (cpu_data[0].guest.options_dyn & MIPS_CPU_CTXTC) #endif #ifndef cpu_guest_has_dyn_perf #define cpu_guest_has_dyn_perf (cpu_data[0].guest.options_dyn & MIPS_CPU_PERF) #endif #ifndef cpu_guest_has_dyn_msa #define cpu_guest_has_dyn_msa (cpu_data[0].guest.ases_dyn & MIPS_ASE_MSA) #endif #ifndef cpu_guest_has_dyn_maar #define cpu_guest_has_dyn_maar (cpu_data[0].guest.options_dyn & MIPS_CPU_MAAR) #endif #endif / __ASM_CPU_FEATURES_H */

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