c05564c4d8
Android 13
689 lines
20 KiB
C
Executable file
689 lines
20 KiB
C
Executable file
/*
|
|
* 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 __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))
|
|
|
|
/*
|
|
* 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 0
|
|
#endif
|
|
/* Don't override `cpu_has_fpu' to 1 or the "nofpu" option won't work. */
|
|
#ifndef cpu_has_fpu
|
|
#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 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
|
|
# ifdef 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
|
|
#ifndef cpu_has_local_ebase
|
|
#define cpu_has_local_ebase 1
|
|
#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
|
|
|
|
/* __builtin_constant_p(cpu_has_mips_r) && cpu_has_mips_r */
|
|
#if !((defined(cpu_has_mips32r1) && cpu_has_mips32r1) || \
|
|
(defined(cpu_has_mips32r2) && cpu_has_mips32r2) || \
|
|
(defined(cpu_has_mips32r6) && cpu_has_mips32r6) || \
|
|
(defined(cpu_has_mips64r1) && cpu_has_mips64r1) || \
|
|
(defined(cpu_has_mips64r2) && cpu_has_mips64r2) || \
|
|
(defined(cpu_has_mips64r6) && cpu_has_mips64r6))
|
|
#define CPU_NO_EFFICIENT_FFS 1
|
|
#endif
|
|
|
|
#ifndef cpu_has_mips_1
|
|
# define cpu_has_mips_1 (!cpu_has_mips_r6)
|
|
#endif
|
|
#ifndef cpu_has_mips_2
|
|
# define cpu_has_mips_2 (cpu_data[0].isa_level & MIPS_CPU_ISA_II)
|
|
#endif
|
|
#ifndef cpu_has_mips_3
|
|
# define cpu_has_mips_3 (cpu_data[0].isa_level & MIPS_CPU_ISA_III)
|
|
#endif
|
|
#ifndef cpu_has_mips_4
|
|
# define cpu_has_mips_4 (cpu_data[0].isa_level & MIPS_CPU_ISA_IV)
|
|
#endif
|
|
#ifndef cpu_has_mips_5
|
|
# define cpu_has_mips_5 (cpu_data[0].isa_level & MIPS_CPU_ISA_V)
|
|
#endif
|
|
#ifndef cpu_has_mips32r1
|
|
# define cpu_has_mips32r1 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R1)
|
|
#endif
|
|
#ifndef cpu_has_mips32r2
|
|
# define cpu_has_mips32r2 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R2)
|
|
#endif
|
|
#ifndef cpu_has_mips32r6
|
|
# define cpu_has_mips32r6 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R6)
|
|
#endif
|
|
#ifndef cpu_has_mips64r1
|
|
# define cpu_has_mips64r1 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R1)
|
|
#endif
|
|
#ifndef cpu_has_mips64r2
|
|
# define cpu_has_mips64r2 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R2)
|
|
#endif
|
|
#ifndef cpu_has_mips64r6
|
|
# define cpu_has_mips64r6 (cpu_data[0].isa_level & 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 (current_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 */
|
|
|
|
/*
|
|
* 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 */
|