shell bypass 403
UnknownSec Shell
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/
usr
/
src
/
linux-headers-6.8.0-36-generic
/
arch
/
loongarch
/
include
/
asm
/ [
drwxr-xr-x
]
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loongarch.h
/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ #ifndef _ASM_LOONGARCH_H #define _ASM_LOONGARCH_H #include <linux/bits.h> #include <linux/linkage.h> #include <linux/types.h> #ifndef __ASSEMBLY__ #include <larchintrin.h> /* CPUCFG */ #define read_cpucfg(reg) __cpucfg(reg) #endif /* !__ASSEMBLY__ */ #ifdef __ASSEMBLY__ /* LoongArch Registers */ #define REG_ZERO 0x0 #define REG_RA 0x1 #define REG_TP 0x2 #define REG_SP 0x3 #define REG_A0 0x4 /* Reused as V0 for return value */ #define REG_A1 0x5 /* Reused as V1 for return value */ #define REG_A2 0x6 #define REG_A3 0x7 #define REG_A4 0x8 #define REG_A5 0x9 #define REG_A6 0xa #define REG_A7 0xb #define REG_T0 0xc #define REG_T1 0xd #define REG_T2 0xe #define REG_T3 0xf #define REG_T4 0x10 #define REG_T5 0x11 #define REG_T6 0x12 #define REG_T7 0x13 #define REG_T8 0x14 #define REG_U0 0x15 /* Kernel uses it as percpu base */ #define REG_FP 0x16 #define REG_S0 0x17 #define REG_S1 0x18 #define REG_S2 0x19 #define REG_S3 0x1a #define REG_S4 0x1b #define REG_S5 0x1c #define REG_S6 0x1d #define REG_S7 0x1e #define REG_S8 0x1f #endif /* __ASSEMBLY__ */ /* Bit fields for CPUCFG registers */ #define LOONGARCH_CPUCFG0 0x0 #define CPUCFG0_PRID GENMASK(31, 0) #define LOONGARCH_CPUCFG1 0x1 #define CPUCFG1_ISGR32 BIT(0) #define CPUCFG1_ISGR64 BIT(1) #define CPUCFG1_PAGING BIT(2) #define CPUCFG1_IOCSR BIT(3) #define CPUCFG1_PABITS GENMASK(11, 4) #define CPUCFG1_VABITS GENMASK(19, 12) #define CPUCFG1_UAL BIT(20) #define CPUCFG1_RI BIT(21) #define CPUCFG1_EP BIT(22) #define CPUCFG1_RPLV BIT(23) #define CPUCFG1_HUGEPG BIT(24) #define CPUCFG1_CRC32 BIT(25) #define CPUCFG1_MSGINT BIT(26) #define LOONGARCH_CPUCFG2 0x2 #define CPUCFG2_FP BIT(0) #define CPUCFG2_FPSP BIT(1) #define CPUCFG2_FPDP BIT(2) #define CPUCFG2_FPVERS GENMASK(5, 3) #define CPUCFG2_LSX BIT(6) #define CPUCFG2_LASX BIT(7) #define CPUCFG2_COMPLEX BIT(8) #define CPUCFG2_CRYPTO BIT(9) #define CPUCFG2_LVZP BIT(10) #define CPUCFG2_LVZVER GENMASK(13, 11) #define CPUCFG2_LLFTP BIT(14) #define CPUCFG2_LLFTPREV GENMASK(17, 15) #define CPUCFG2_X86BT BIT(18) #define CPUCFG2_ARMBT BIT(19) #define CPUCFG2_MIPSBT BIT(20) #define CPUCFG2_LSPW BIT(21) #define CPUCFG2_LAM BIT(22) #define CPUCFG2_PTW BIT(24) #define LOONGARCH_CPUCFG3 0x3 #define CPUCFG3_CCDMA BIT(0) #define CPUCFG3_SFB BIT(1) #define CPUCFG3_UCACC BIT(2) #define CPUCFG3_LLEXC BIT(3) #define CPUCFG3_SCDLY BIT(4) #define CPUCFG3_LLDBAR BIT(5) #define CPUCFG3_ITLBT BIT(6) #define CPUCFG3_ICACHET BIT(7) #define CPUCFG3_SPW_LVL GENMASK(10, 8) #define CPUCFG3_SPW_HG_HF BIT(11) #define CPUCFG3_RVA BIT(12) #define CPUCFG3_RVAMAX GENMASK(16, 13) #define LOONGARCH_CPUCFG4 0x4 #define CPUCFG4_CCFREQ GENMASK(31, 0) #define LOONGARCH_CPUCFG5 0x5 #define CPUCFG5_CCMUL GENMASK(15, 0) #define CPUCFG5_CCDIV GENMASK(31, 16) #define LOONGARCH_CPUCFG6 0x6 #define CPUCFG6_PMP BIT(0) #define CPUCFG6_PAMVER GENMASK(3, 1) #define CPUCFG6_PMNUM GENMASK(7, 4) #define CPUCFG6_PMBITS GENMASK(13, 8) #define CPUCFG6_UPM BIT(14) #define LOONGARCH_CPUCFG16 0x10 #define CPUCFG16_L1_IUPRE BIT(0) #define CPUCFG16_L1_IUUNIFY BIT(1) #define CPUCFG16_L1_DPRE BIT(2) #define CPUCFG16_L2_IUPRE BIT(3) #define CPUCFG16_L2_IUUNIFY BIT(4) #define CPUCFG16_L2_IUPRIV BIT(5) #define CPUCFG16_L2_IUINCL BIT(6) #define CPUCFG16_L2_DPRE BIT(7) #define CPUCFG16_L2_DPRIV BIT(8) #define CPUCFG16_L2_DINCL BIT(9) #define CPUCFG16_L3_IUPRE BIT(10) #define CPUCFG16_L3_IUUNIFY BIT(11) #define CPUCFG16_L3_IUPRIV BIT(12) #define CPUCFG16_L3_IUINCL BIT(13) #define CPUCFG16_L3_DPRE BIT(14) #define CPUCFG16_L3_DPRIV BIT(15) #define CPUCFG16_L3_DINCL BIT(16) #define LOONGARCH_CPUCFG17 0x11 #define LOONGARCH_CPUCFG18 0x12 #define LOONGARCH_CPUCFG19 0x13 #define LOONGARCH_CPUCFG20 0x14 #define CPUCFG_CACHE_WAYS_M GENMASK(15, 0) #define CPUCFG_CACHE_SETS_M GENMASK(23, 16) #define CPUCFG_CACHE_LSIZE_M GENMASK(30, 24) #define CPUCFG_CACHE_WAYS 0 #define CPUCFG_CACHE_SETS 16 #define CPUCFG_CACHE_LSIZE 24 #define LOONGARCH_CPUCFG48 0x30 #define CPUCFG48_MCSR_LCK BIT(0) #define CPUCFG48_NAP_EN BIT(1) #define CPUCFG48_VFPU_CG BIT(2) #define CPUCFG48_RAM_CG BIT(3) #ifndef __ASSEMBLY__ /* CSR */ #define csr_read32(reg) __csrrd_w(reg) #define csr_read64(reg) __csrrd_d(reg) #define csr_write32(val, reg) __csrwr_w(val, reg) #define csr_write64(val, reg) __csrwr_d(val, reg) #define csr_xchg32(val, mask, reg) __csrxchg_w(val, mask, reg) #define csr_xchg64(val, mask, reg) __csrxchg_d(val, mask, reg) /* IOCSR */ #define iocsr_read32(reg) __iocsrrd_w(reg) #define iocsr_read64(reg) __iocsrrd_d(reg) #define iocsr_write32(val, reg) __iocsrwr_w(val, reg) #define iocsr_write64(val, reg) __iocsrwr_d(val, reg) #endif /* !__ASSEMBLY__ */ /* CSR register number */ /* Basic CSR registers */ #define LOONGARCH_CSR_CRMD 0x0 /* Current mode info */ #define CSR_CRMD_WE_SHIFT 9 #define CSR_CRMD_WE (_ULCAST_(0x1) << CSR_CRMD_WE_SHIFT) #define CSR_CRMD_DACM_SHIFT 7 #define CSR_CRMD_DACM_WIDTH 2 #define CSR_CRMD_DACM (_ULCAST_(0x3) << CSR_CRMD_DACM_SHIFT) #define CSR_CRMD_DACF_SHIFT 5 #define CSR_CRMD_DACF_WIDTH 2 #define CSR_CRMD_DACF (_ULCAST_(0x3) << CSR_CRMD_DACF_SHIFT) #define CSR_CRMD_PG_SHIFT 4 #define CSR_CRMD_PG (_ULCAST_(0x1) << CSR_CRMD_PG_SHIFT) #define CSR_CRMD_DA_SHIFT 3 #define CSR_CRMD_DA (_ULCAST_(0x1) << CSR_CRMD_DA_SHIFT) #define CSR_CRMD_IE_SHIFT 2 #define CSR_CRMD_IE (_ULCAST_(0x1) << CSR_CRMD_IE_SHIFT) #define CSR_CRMD_PLV_SHIFT 0 #define CSR_CRMD_PLV_WIDTH 2 #define CSR_CRMD_PLV (_ULCAST_(0x3) << CSR_CRMD_PLV_SHIFT) #define PLV_KERN 0 #define PLV_USER 3 #define PLV_MASK 0x3 #define LOONGARCH_CSR_PRMD 0x1 /* Prev-exception mode info */ #define CSR_PRMD_PWE_SHIFT 3 #define CSR_PRMD_PWE (_ULCAST_(0x1) << CSR_PRMD_PWE_SHIFT) #define CSR_PRMD_PIE_SHIFT 2 #define CSR_PRMD_PIE (_ULCAST_(0x1) << CSR_PRMD_PIE_SHIFT) #define CSR_PRMD_PPLV_SHIFT 0 #define CSR_PRMD_PPLV_WIDTH 2 #define CSR_PRMD_PPLV (_ULCAST_(0x3) << CSR_PRMD_PPLV_SHIFT) #define LOONGARCH_CSR_EUEN 0x2 /* Extended unit enable */ #define CSR_EUEN_LBTEN_SHIFT 3 #define CSR_EUEN_LBTEN (_ULCAST_(0x1) << CSR_EUEN_LBTEN_SHIFT) #define CSR_EUEN_LASXEN_SHIFT 2 #define CSR_EUEN_LASXEN (_ULCAST_(0x1) << CSR_EUEN_LASXEN_SHIFT) #define CSR_EUEN_LSXEN_SHIFT 1 #define CSR_EUEN_LSXEN (_ULCAST_(0x1) << CSR_EUEN_LSXEN_SHIFT) #define CSR_EUEN_FPEN_SHIFT 0 #define CSR_EUEN_FPEN (_ULCAST_(0x1) << CSR_EUEN_FPEN_SHIFT) #define LOONGARCH_CSR_MISC 0x3 /* Misc config */ #define LOONGARCH_CSR_ECFG 0x4 /* Exception config */ #define CSR_ECFG_VS_SHIFT 16 #define CSR_ECFG_VS_WIDTH 3 #define CSR_ECFG_VS_SHIFT_END (CSR_ECFG_VS_SHIFT + CSR_ECFG_VS_WIDTH - 1) #define CSR_ECFG_VS (_ULCAST_(0x7) << CSR_ECFG_VS_SHIFT) #define CSR_ECFG_IM_SHIFT 0 #define CSR_ECFG_IM_WIDTH 14 #define CSR_ECFG_IM (_ULCAST_(0x3fff) << CSR_ECFG_IM_SHIFT) #define LOONGARCH_CSR_ESTAT 0x5 /* Exception status */ #define CSR_ESTAT_ESUBCODE_SHIFT 22 #define CSR_ESTAT_ESUBCODE_WIDTH 9 #define CSR_ESTAT_ESUBCODE (_ULCAST_(0x1ff) << CSR_ESTAT_ESUBCODE_SHIFT) #define CSR_ESTAT_EXC_SHIFT 16 #define CSR_ESTAT_EXC_WIDTH 6 #define CSR_ESTAT_EXC (_ULCAST_(0x3f) << CSR_ESTAT_EXC_SHIFT) #define CSR_ESTAT_IS_SHIFT 0 #define CSR_ESTAT_IS_WIDTH 14 #define CSR_ESTAT_IS (_ULCAST_(0x3fff) << CSR_ESTAT_IS_SHIFT) #define LOONGARCH_CSR_ERA 0x6 /* ERA */ #define LOONGARCH_CSR_BADV 0x7 /* Bad virtual address */ #define LOONGARCH_CSR_BADI 0x8 /* Bad instruction */ #define LOONGARCH_CSR_EENTRY 0xc /* Exception entry */ /* TLB related CSR registers */ #define LOONGARCH_CSR_TLBIDX 0x10 /* TLB Index, EHINV, PageSize, NP */ #define CSR_TLBIDX_EHINV_SHIFT 31 #define CSR_TLBIDX_EHINV (_ULCAST_(1) << CSR_TLBIDX_EHINV_SHIFT) #define CSR_TLBIDX_PS_SHIFT 24 #define CSR_TLBIDX_PS_WIDTH 6 #define CSR_TLBIDX_PS (_ULCAST_(0x3f) << CSR_TLBIDX_PS_SHIFT) #define CSR_TLBIDX_IDX_SHIFT 0 #define CSR_TLBIDX_IDX_WIDTH 12 #define CSR_TLBIDX_IDX (_ULCAST_(0xfff) << CSR_TLBIDX_IDX_SHIFT) #define CSR_TLBIDX_SIZEM 0x3f000000 #define CSR_TLBIDX_SIZE CSR_TLBIDX_PS_SHIFT #define CSR_TLBIDX_IDXM 0xfff #define CSR_INVALID_ENTRY(e) (CSR_TLBIDX_EHINV | e) #define LOONGARCH_CSR_TLBEHI 0x11 /* TLB EntryHi */ #define LOONGARCH_CSR_TLBELO0 0x12 /* TLB EntryLo0 */ #define CSR_TLBLO0_RPLV_SHIFT 63 #define CSR_TLBLO0_RPLV (_ULCAST_(0x1) << CSR_TLBLO0_RPLV_SHIFT) #define CSR_TLBLO0_NX_SHIFT 62 #define CSR_TLBLO0_NX (_ULCAST_(0x1) << CSR_TLBLO0_NX_SHIFT) #define CSR_TLBLO0_NR_SHIFT 61 #define CSR_TLBLO0_NR (_ULCAST_(0x1) << CSR_TLBLO0_NR_SHIFT) #define CSR_TLBLO0_PFN_SHIFT 12 #define CSR_TLBLO0_PFN_WIDTH 36 #define CSR_TLBLO0_PFN (_ULCAST_(0xfffffffff) << CSR_TLBLO0_PFN_SHIFT) #define CSR_TLBLO0_GLOBAL_SHIFT 6 #define CSR_TLBLO0_GLOBAL (_ULCAST_(0x1) << CSR_TLBLO0_GLOBAL_SHIFT) #define CSR_TLBLO0_CCA_SHIFT 4 #define CSR_TLBLO0_CCA_WIDTH 2 #define CSR_TLBLO0_CCA (_ULCAST_(0x3) << CSR_TLBLO0_CCA_SHIFT) #define CSR_TLBLO0_PLV_SHIFT 2 #define CSR_TLBLO0_PLV_WIDTH 2 #define CSR_TLBLO0_PLV (_ULCAST_(0x3) << CSR_TLBLO0_PLV_SHIFT) #define CSR_TLBLO0_WE_SHIFT 1 #define CSR_TLBLO0_WE (_ULCAST_(0x1) << CSR_TLBLO0_WE_SHIFT) #define CSR_TLBLO0_V_SHIFT 0 #define CSR_TLBLO0_V (_ULCAST_(0x1) << CSR_TLBLO0_V_SHIFT) #define LOONGARCH_CSR_TLBELO1 0x13 /* TLB EntryLo1 */ #define CSR_TLBLO1_RPLV_SHIFT 63 #define CSR_TLBLO1_RPLV (_ULCAST_(0x1) << CSR_TLBLO1_RPLV_SHIFT) #define CSR_TLBLO1_NX_SHIFT 62 #define CSR_TLBLO1_NX (_ULCAST_(0x1) << CSR_TLBLO1_NX_SHIFT) #define CSR_TLBLO1_NR_SHIFT 61 #define CSR_TLBLO1_NR (_ULCAST_(0x1) << CSR_TLBLO1_NR_SHIFT) #define CSR_TLBLO1_PFN_SHIFT 12 #define CSR_TLBLO1_PFN_WIDTH 36 #define CSR_TLBLO1_PFN (_ULCAST_(0xfffffffff) << CSR_TLBLO1_PFN_SHIFT) #define CSR_TLBLO1_GLOBAL_SHIFT 6 #define CSR_TLBLO1_GLOBAL (_ULCAST_(0x1) << CSR_TLBLO1_GLOBAL_SHIFT) #define CSR_TLBLO1_CCA_SHIFT 4 #define CSR_TLBLO1_CCA_WIDTH 2 #define CSR_TLBLO1_CCA (_ULCAST_(0x3) << CSR_TLBLO1_CCA_SHIFT) #define CSR_TLBLO1_PLV_SHIFT 2 #define CSR_TLBLO1_PLV_WIDTH 2 #define CSR_TLBLO1_PLV (_ULCAST_(0x3) << CSR_TLBLO1_PLV_SHIFT) #define CSR_TLBLO1_WE_SHIFT 1 #define CSR_TLBLO1_WE (_ULCAST_(0x1) << CSR_TLBLO1_WE_SHIFT) #define CSR_TLBLO1_V_SHIFT 0 #define CSR_TLBLO1_V (_ULCAST_(0x1) << CSR_TLBLO1_V_SHIFT) #define LOONGARCH_CSR_GTLBC 0x15 /* Guest TLB control */ #define CSR_GTLBC_TGID_SHIFT 16 #define CSR_GTLBC_TGID_WIDTH 8 #define CSR_GTLBC_TGID_SHIFT_END (CSR_GTLBC_TGID_SHIFT + CSR_GTLBC_TGID_WIDTH - 1) #define CSR_GTLBC_TGID (_ULCAST_(0xff) << CSR_GTLBC_TGID_SHIFT) #define CSR_GTLBC_TOTI_SHIFT 13 #define CSR_GTLBC_TOTI (_ULCAST_(0x1) << CSR_GTLBC_TOTI_SHIFT) #define CSR_GTLBC_USETGID_SHIFT 12 #define CSR_GTLBC_USETGID (_ULCAST_(0x1) << CSR_GTLBC_USETGID_SHIFT) #define CSR_GTLBC_GMTLBSZ_SHIFT 0 #define CSR_GTLBC_GMTLBSZ_WIDTH 6 #define CSR_GTLBC_GMTLBSZ (_ULCAST_(0x3f) << CSR_GTLBC_GMTLBSZ_SHIFT) #define LOONGARCH_CSR_TRGP 0x16 /* TLBR read guest info */ #define CSR_TRGP_RID_SHIFT 16 #define CSR_TRGP_RID_WIDTH 8 #define CSR_TRGP_RID (_ULCAST_(0xff) << CSR_TRGP_RID_SHIFT) #define CSR_TRGP_GTLB_SHIFT 0 #define CSR_TRGP_GTLB (1 << CSR_TRGP_GTLB_SHIFT) #define LOONGARCH_CSR_ASID 0x18 /* ASID */ #define CSR_ASID_BIT_SHIFT 16 /* ASIDBits */ #define CSR_ASID_BIT_WIDTH 8 #define CSR_ASID_BIT (_ULCAST_(0xff) << CSR_ASID_BIT_SHIFT) #define CSR_ASID_ASID_SHIFT 0 #define CSR_ASID_ASID_WIDTH 10 #define CSR_ASID_ASID (_ULCAST_(0x3ff) << CSR_ASID_ASID_SHIFT) #define LOONGARCH_CSR_PGDL 0x19 /* Page table base address when VA[VALEN-1] = 0 */ #define LOONGARCH_CSR_PGDH 0x1a /* Page table base address when VA[VALEN-1] = 1 */ #define LOONGARCH_CSR_PGD 0x1b /* Page table base */ #define LOONGARCH_CSR_PWCTL0 0x1c /* PWCtl0 */ #define CSR_PWCTL0_PTEW_SHIFT 30 #define CSR_PWCTL0_PTEW_WIDTH 2 #define CSR_PWCTL0_PTEW (_ULCAST_(0x3) << CSR_PWCTL0_PTEW_SHIFT) #define CSR_PWCTL0_DIR1WIDTH_SHIFT 25 #define CSR_PWCTL0_DIR1WIDTH_WIDTH 5 #define CSR_PWCTL0_DIR1WIDTH (_ULCAST_(0x1f) << CSR_PWCTL0_DIR1WIDTH_SHIFT) #define CSR_PWCTL0_DIR1BASE_SHIFT 20 #define CSR_PWCTL0_DIR1BASE_WIDTH 5 #define CSR_PWCTL0_DIR1BASE (_ULCAST_(0x1f) << CSR_PWCTL0_DIR1BASE_SHIFT) #define CSR_PWCTL0_DIR0WIDTH_SHIFT 15 #define CSR_PWCTL0_DIR0WIDTH_WIDTH 5 #define CSR_PWCTL0_DIR0WIDTH (_ULCAST_(0x1f) << CSR_PWCTL0_DIR0WIDTH_SHIFT) #define CSR_PWCTL0_DIR0BASE_SHIFT 10 #define CSR_PWCTL0_DIR0BASE_WIDTH 5 #define CSR_PWCTL0_DIR0BASE (_ULCAST_(0x1f) << CSR_PWCTL0_DIR0BASE_SHIFT) #define CSR_PWCTL0_PTWIDTH_SHIFT 5 #define CSR_PWCTL0_PTWIDTH_WIDTH 5 #define CSR_PWCTL0_PTWIDTH (_ULCAST_(0x1f) << CSR_PWCTL0_PTWIDTH_SHIFT) #define CSR_PWCTL0_PTBASE_SHIFT 0 #define CSR_PWCTL0_PTBASE_WIDTH 5 #define CSR_PWCTL0_PTBASE (_ULCAST_(0x1f) << CSR_PWCTL0_PTBASE_SHIFT) #define LOONGARCH_CSR_PWCTL1 0x1d /* PWCtl1 */ #define CSR_PWCTL1_PTW_SHIFT 24 #define CSR_PWCTL1_PTW_WIDTH 1 #define CSR_PWCTL1_PTW (_ULCAST_(0x1) << CSR_PWCTL1_PTW_SHIFT) #define CSR_PWCTL1_DIR3WIDTH_SHIFT 18 #define CSR_PWCTL1_DIR3WIDTH_WIDTH 5 #define CSR_PWCTL1_DIR3WIDTH (_ULCAST_(0x1f) << CSR_PWCTL1_DIR3WIDTH_SHIFT) #define CSR_PWCTL1_DIR3BASE_SHIFT 12 #define CSR_PWCTL1_DIR3BASE_WIDTH 5 #define CSR_PWCTL1_DIR3BASE (_ULCAST_(0x1f) << CSR_PWCTL0_DIR3BASE_SHIFT) #define CSR_PWCTL1_DIR2WIDTH_SHIFT 6 #define CSR_PWCTL1_DIR2WIDTH_WIDTH 5 #define CSR_PWCTL1_DIR2WIDTH (_ULCAST_(0x1f) << CSR_PWCTL1_DIR2WIDTH_SHIFT) #define CSR_PWCTL1_DIR2BASE_SHIFT 0 #define CSR_PWCTL1_DIR2BASE_WIDTH 5 #define CSR_PWCTL1_DIR2BASE (_ULCAST_(0x1f) << CSR_PWCTL0_DIR2BASE_SHIFT) #define LOONGARCH_CSR_STLBPGSIZE 0x1e #define CSR_STLBPGSIZE_PS_WIDTH 6 #define CSR_STLBPGSIZE_PS (_ULCAST_(0x3f)) #define LOONGARCH_CSR_RVACFG 0x1f #define CSR_RVACFG_RDVA_WIDTH 4 #define CSR_RVACFG_RDVA (_ULCAST_(0xf)) /* Config CSR registers */ #define LOONGARCH_CSR_CPUID 0x20 /* CPU core id */ #define CSR_CPUID_COREID_WIDTH 9 #define CSR_CPUID_COREID _ULCAST_(0x1ff) #define LOONGARCH_CSR_PRCFG1 0x21 /* Config1 */ #define CSR_CONF1_VSMAX_SHIFT 12 #define CSR_CONF1_VSMAX_WIDTH 3 #define CSR_CONF1_VSMAX (_ULCAST_(7) << CSR_CONF1_VSMAX_SHIFT) #define CSR_CONF1_TMRBITS_SHIFT 4 #define CSR_CONF1_TMRBITS_WIDTH 8 #define CSR_CONF1_TMRBITS (_ULCAST_(0xff) << CSR_CONF1_TMRBITS_SHIFT) #define CSR_CONF1_KSNUM_WIDTH 4 #define CSR_CONF1_KSNUM _ULCAST_(0xf) #define LOONGARCH_CSR_PRCFG2 0x22 /* Config2 */ #define CSR_CONF2_PGMASK_SUPP 0x3ffff000 #define LOONGARCH_CSR_PRCFG3 0x23 /* Config3 */ #define CSR_CONF3_STLBIDX_SHIFT 20 #define CSR_CONF3_STLBIDX_WIDTH 6 #define CSR_CONF3_STLBIDX (_ULCAST_(0x3f) << CSR_CONF3_STLBIDX_SHIFT) #define CSR_CONF3_STLBWAYS_SHIFT 12 #define CSR_CONF3_STLBWAYS_WIDTH 8 #define CSR_CONF3_STLBWAYS (_ULCAST_(0xff) << CSR_CONF3_STLBWAYS_SHIFT) #define CSR_CONF3_MTLBSIZE_SHIFT 4 #define CSR_CONF3_MTLBSIZE_WIDTH 8 #define CSR_CONF3_MTLBSIZE (_ULCAST_(0xff) << CSR_CONF3_MTLBSIZE_SHIFT) #define CSR_CONF3_TLBTYPE_SHIFT 0 #define CSR_CONF3_TLBTYPE_WIDTH 4 #define CSR_CONF3_TLBTYPE (_ULCAST_(0xf) << CSR_CONF3_TLBTYPE_SHIFT) /* KSave registers */ #define LOONGARCH_CSR_KS0 0x30 #define LOONGARCH_CSR_KS1 0x31 #define LOONGARCH_CSR_KS2 0x32 #define LOONGARCH_CSR_KS3 0x33 #define LOONGARCH_CSR_KS4 0x34 #define LOONGARCH_CSR_KS5 0x35 #define LOONGARCH_CSR_KS6 0x36 #define LOONGARCH_CSR_KS7 0x37 #define LOONGARCH_CSR_KS8 0x38 /* Exception allocated KS0, KS1 and KS2 statically */ #define EXCEPTION_KS0 LOONGARCH_CSR_KS0 #define EXCEPTION_KS1 LOONGARCH_CSR_KS1 #define EXCEPTION_KS2 LOONGARCH_CSR_KS2 #define EXC_KSAVE_MASK (1 << 0 | 1 << 1 | 1 << 2) /* Percpu-data base allocated KS3 statically */ #define PERCPU_BASE_KS LOONGARCH_CSR_KS3 #define PERCPU_KSAVE_MASK (1 << 3) /* KVM allocated KS4 and KS5 statically */ #define KVM_VCPU_KS LOONGARCH_CSR_KS4 #define KVM_TEMP_KS LOONGARCH_CSR_KS5 #define KVM_KSAVE_MASK (1 << 4 | 1 << 5) /* Timer registers */ #define LOONGARCH_CSR_TMID 0x40 /* Timer ID */ #define LOONGARCH_CSR_TCFG 0x41 /* Timer config */ #define CSR_TCFG_VAL_SHIFT 2 #define CSR_TCFG_VAL_WIDTH 48 #define CSR_TCFG_VAL (_ULCAST_(0x3fffffffffff) << CSR_TCFG_VAL_SHIFT) #define CSR_TCFG_PERIOD_SHIFT 1 #define CSR_TCFG_PERIOD (_ULCAST_(0x1) << CSR_TCFG_PERIOD_SHIFT) #define CSR_TCFG_EN (_ULCAST_(0x1)) #define LOONGARCH_CSR_TVAL 0x42 /* Timer value */ #define LOONGARCH_CSR_CNTC 0x43 /* Timer offset */ #define LOONGARCH_CSR_TINTCLR 0x44 /* Timer interrupt clear */ #define CSR_TINTCLR_TI_SHIFT 0 #define CSR_TINTCLR_TI (1 << CSR_TINTCLR_TI_SHIFT) /* Guest registers */ #define LOONGARCH_CSR_GSTAT 0x50 /* Guest status */ #define CSR_GSTAT_GID_SHIFT 16 #define CSR_GSTAT_GID_WIDTH 8 #define CSR_GSTAT_GID_SHIFT_END (CSR_GSTAT_GID_SHIFT + CSR_GSTAT_GID_WIDTH - 1) #define CSR_GSTAT_GID (_ULCAST_(0xff) << CSR_GSTAT_GID_SHIFT) #define CSR_GSTAT_GIDBIT_SHIFT 4 #define CSR_GSTAT_GIDBIT_WIDTH 6 #define CSR_GSTAT_GIDBIT (_ULCAST_(0x3f) << CSR_GSTAT_GIDBIT_SHIFT) #define CSR_GSTAT_PVM_SHIFT 1 #define CSR_GSTAT_PVM (_ULCAST_(0x1) << CSR_GSTAT_PVM_SHIFT) #define CSR_GSTAT_VM_SHIFT 0 #define CSR_GSTAT_VM (_ULCAST_(0x1) << CSR_GSTAT_VM_SHIFT) #define LOONGARCH_CSR_GCFG 0x51 /* Guest config */ #define CSR_GCFG_GPERF_SHIFT 24 #define CSR_GCFG_GPERF_WIDTH 3 #define CSR_GCFG_GPERF (_ULCAST_(0x7) << CSR_GCFG_GPERF_SHIFT) #define CSR_GCFG_GCI_SHIFT 20 #define CSR_GCFG_GCI_WIDTH 2 #define CSR_GCFG_GCI (_ULCAST_(0x3) << CSR_GCFG_GCI_SHIFT) #define CSR_GCFG_GCI_ALL (_ULCAST_(0x0) << CSR_GCFG_GCI_SHIFT) #define CSR_GCFG_GCI_HIT (_ULCAST_(0x1) << CSR_GCFG_GCI_SHIFT) #define CSR_GCFG_GCI_SECURE (_ULCAST_(0x2) << CSR_GCFG_GCI_SHIFT) #define CSR_GCFG_GCIP_SHIFT 16 #define CSR_GCFG_GCIP (_ULCAST_(0xf) << CSR_GCFG_GCIP_SHIFT) #define CSR_GCFG_GCIP_ALL (_ULCAST_(0x1) << CSR_GCFG_GCIP_SHIFT) #define CSR_GCFG_GCIP_HIT (_ULCAST_(0x1) << (CSR_GCFG_GCIP_SHIFT + 1)) #define CSR_GCFG_GCIP_SECURE (_ULCAST_(0x1) << (CSR_GCFG_GCIP_SHIFT + 2)) #define CSR_GCFG_TORU_SHIFT 15 #define CSR_GCFG_TORU (_ULCAST_(0x1) << CSR_GCFG_TORU_SHIFT) #define CSR_GCFG_TORUP_SHIFT 14 #define CSR_GCFG_TORUP (_ULCAST_(0x1) << CSR_GCFG_TORUP_SHIFT) #define CSR_GCFG_TOP_SHIFT 13 #define CSR_GCFG_TOP (_ULCAST_(0x1) << CSR_GCFG_TOP_SHIFT) #define CSR_GCFG_TOPP_SHIFT 12 #define CSR_GCFG_TOPP (_ULCAST_(0x1) << CSR_GCFG_TOPP_SHIFT) #define CSR_GCFG_TOE_SHIFT 11 #define CSR_GCFG_TOE (_ULCAST_(0x1) << CSR_GCFG_TOE_SHIFT) #define CSR_GCFG_TOEP_SHIFT 10 #define CSR_GCFG_TOEP (_ULCAST_(0x1) << CSR_GCFG_TOEP_SHIFT) #define CSR_GCFG_TIT_SHIFT 9 #define CSR_GCFG_TIT (_ULCAST_(0x1) << CSR_GCFG_TIT_SHIFT) #define CSR_GCFG_TITP_SHIFT 8 #define CSR_GCFG_TITP (_ULCAST_(0x1) << CSR_GCFG_TITP_SHIFT) #define CSR_GCFG_SIT_SHIFT 7 #define CSR_GCFG_SIT (_ULCAST_(0x1) << CSR_GCFG_SIT_SHIFT) #define CSR_GCFG_SITP_SHIFT 6 #define CSR_GCFG_SITP (_ULCAST_(0x1) << CSR_GCFG_SITP_SHIFT) #define CSR_GCFG_MATC_SHITF 4 #define CSR_GCFG_MATC_WIDTH 2 #define CSR_GCFG_MATC_MASK (_ULCAST_(0x3) << CSR_GCFG_MATC_SHITF) #define CSR_GCFG_MATC_GUEST (_ULCAST_(0x0) << CSR_GCFG_MATC_SHITF) #define CSR_GCFG_MATC_ROOT (_ULCAST_(0x1) << CSR_GCFG_MATC_SHITF) #define CSR_GCFG_MATC_NEST (_ULCAST_(0x2) << CSR_GCFG_MATC_SHITF) #define CSR_GCFG_MATP_NEST_SHIFT 2 #define CSR_GCFG_MATP_NEST (_ULCAST_(0x1) << CSR_GCFG_MATP_NEST_SHIFT) #define CSR_GCFG_MATP_ROOT_SHIFT 1 #define CSR_GCFG_MATP_ROOT (_ULCAST_(0x1) << CSR_GCFG_MATP_ROOT_SHIFT) #define CSR_GCFG_MATP_GUEST_SHIFT 0 #define CSR_GCFG_MATP_GUEST (_ULCAST_(0x1) << CSR_GCFG_MATP_GUEST_SHIFT) #define LOONGARCH_CSR_GINTC 0x52 /* Guest interrupt control */ #define CSR_GINTC_HC_SHIFT 16 #define CSR_GINTC_HC_WIDTH 8 #define CSR_GINTC_HC (_ULCAST_(0xff) << CSR_GINTC_HC_SHIFT) #define CSR_GINTC_PIP_SHIFT 8 #define CSR_GINTC_PIP_WIDTH 8 #define CSR_GINTC_PIP (_ULCAST_(0xff) << CSR_GINTC_PIP_SHIFT) #define CSR_GINTC_VIP_SHIFT 0 #define CSR_GINTC_VIP_WIDTH 8 #define CSR_GINTC_VIP (_ULCAST_(0xff)) #define LOONGARCH_CSR_GCNTC 0x53 /* Guest timer offset */ /* LLBCTL register */ #define LOONGARCH_CSR_LLBCTL 0x60 /* LLBit control */ #define CSR_LLBCTL_ROLLB_SHIFT 0 #define CSR_LLBCTL_ROLLB (_ULCAST_(1) << CSR_LLBCTL_ROLLB_SHIFT) #define CSR_LLBCTL_WCLLB_SHIFT 1 #define CSR_LLBCTL_WCLLB (_ULCAST_(1) << CSR_LLBCTL_WCLLB_SHIFT) #define CSR_LLBCTL_KLO_SHIFT 2 #define CSR_LLBCTL_KLO (_ULCAST_(1) << CSR_LLBCTL_KLO_SHIFT) /* Implement dependent */ #define LOONGARCH_CSR_IMPCTL1 0x80 /* Loongson config1 */ #define CSR_MISPEC_SHIFT 20 #define CSR_MISPEC_WIDTH 8 #define CSR_MISPEC (_ULCAST_(0xff) << CSR_MISPEC_SHIFT) #define CSR_SSEN_SHIFT 18 #define CSR_SSEN (_ULCAST_(1) << CSR_SSEN_SHIFT) #define CSR_SCRAND_SHIFT 17 #define CSR_SCRAND (_ULCAST_(1) << CSR_SCRAND_SHIFT) #define CSR_LLEXCL_SHIFT 16 #define CSR_LLEXCL (_ULCAST_(1) << CSR_LLEXCL_SHIFT) #define CSR_DISVC_SHIFT 15 #define CSR_DISVC (_ULCAST_(1) << CSR_DISVC_SHIFT) #define CSR_VCLRU_SHIFT 14 #define CSR_VCLRU (_ULCAST_(1) << CSR_VCLRU_SHIFT) #define CSR_DCLRU_SHIFT 13 #define CSR_DCLRU (_ULCAST_(1) << CSR_DCLRU_SHIFT) #define CSR_FASTLDQ_SHIFT 12 #define CSR_FASTLDQ (_ULCAST_(1) << CSR_FASTLDQ_SHIFT) #define CSR_USERCAC_SHIFT 11 #define CSR_USERCAC (_ULCAST_(1) << CSR_USERCAC_SHIFT) #define CSR_ANTI_MISPEC_SHIFT 10 #define CSR_ANTI_MISPEC (_ULCAST_(1) << CSR_ANTI_MISPEC_SHIFT) #define CSR_AUTO_FLUSHSFB_SHIFT 9 #define CSR_AUTO_FLUSHSFB (_ULCAST_(1) << CSR_AUTO_FLUSHSFB_SHIFT) #define CSR_STFILL_SHIFT 8 #define CSR_STFILL (_ULCAST_(1) << CSR_STFILL_SHIFT) #define CSR_LIFEP_SHIFT 7 #define CSR_LIFEP (_ULCAST_(1) << CSR_LIFEP_SHIFT) #define CSR_LLSYNC_SHIFT 6 #define CSR_LLSYNC (_ULCAST_(1) << CSR_LLSYNC_SHIFT) #define CSR_BRBTDIS_SHIFT 5 #define CSR_BRBTDIS (_ULCAST_(1) << CSR_BRBTDIS_SHIFT) #define CSR_RASDIS_SHIFT 4 #define CSR_RASDIS (_ULCAST_(1) << CSR_RASDIS_SHIFT) #define CSR_STPRE_SHIFT 2 #define CSR_STPRE_WIDTH 2 #define CSR_STPRE (_ULCAST_(3) << CSR_STPRE_SHIFT) #define CSR_INSTPRE_SHIFT 1 #define CSR_INSTPRE (_ULCAST_(1) << CSR_INSTPRE_SHIFT) #define CSR_DATAPRE_SHIFT 0 #define CSR_DATAPRE (_ULCAST_(1) << CSR_DATAPRE_SHIFT) #define LOONGARCH_CSR_IMPCTL2 0x81 /* Loongson config2 */ #define CSR_FLUSH_MTLB_SHIFT 0 #define CSR_FLUSH_MTLB (_ULCAST_(1) << CSR_FLUSH_MTLB_SHIFT) #define CSR_FLUSH_STLB_SHIFT 1 #define CSR_FLUSH_STLB (_ULCAST_(1) << CSR_FLUSH_STLB_SHIFT) #define CSR_FLUSH_DTLB_SHIFT 2 #define CSR_FLUSH_DTLB (_ULCAST_(1) << CSR_FLUSH_DTLB_SHIFT) #define CSR_FLUSH_ITLB_SHIFT 3 #define CSR_FLUSH_ITLB (_ULCAST_(1) << CSR_FLUSH_ITLB_SHIFT) #define CSR_FLUSH_BTAC_SHIFT 4 #define CSR_FLUSH_BTAC (_ULCAST_(1) << CSR_FLUSH_BTAC_SHIFT) #define LOONGARCH_CSR_GNMI 0x82 /* TLB Refill registers */ #define LOONGARCH_CSR_TLBRENTRY 0x88 /* TLB refill exception entry */ #define LOONGARCH_CSR_TLBRBADV 0x89 /* TLB refill badvaddr */ #define LOONGARCH_CSR_TLBRERA 0x8a /* TLB refill ERA */ #define LOONGARCH_CSR_TLBRSAVE 0x8b /* KSave for TLB refill exception */ #define LOONGARCH_CSR_TLBRELO0 0x8c /* TLB refill entrylo0 */ #define LOONGARCH_CSR_TLBRELO1 0x8d /* TLB refill entrylo1 */ #define LOONGARCH_CSR_TLBREHI 0x8e /* TLB refill entryhi */ #define CSR_TLBREHI_PS_SHIFT 0 #define CSR_TLBREHI_PS (_ULCAST_(0x3f) << CSR_TLBREHI_PS_SHIFT) #define LOONGARCH_CSR_TLBRPRMD 0x8f /* TLB refill mode info */ /* Machine Error registers */ #define LOONGARCH_CSR_MERRCTL 0x90 /* MERRCTL */ #define LOONGARCH_CSR_MERRINFO1 0x91 /* MError info1 */ #define LOONGARCH_CSR_MERRINFO2 0x92 /* MError info2 */ #define LOONGARCH_CSR_MERRENTRY 0x93 /* MError exception entry */ #define LOONGARCH_CSR_MERRERA 0x94 /* MError exception ERA */ #define LOONGARCH_CSR_MERRSAVE 0x95 /* KSave for machine error exception */ #define LOONGARCH_CSR_CTAG 0x98 /* TagLo + TagHi */ #define LOONGARCH_CSR_PRID 0xc0 /* Shadow MCSR : 0xc0 ~ 0xff */ #define LOONGARCH_CSR_MCSR0 0xc0 /* CPUCFG0 and CPUCFG1 */ #define MCSR0_INT_IMPL_SHIFT 58 #define MCSR0_INT_IMPL 0 #define MCSR0_IOCSR_BRD_SHIFT 57 #define MCSR0_IOCSR_BRD (_ULCAST_(1) << MCSR0_IOCSR_BRD_SHIFT) #define MCSR0_HUGEPG_SHIFT 56 #define MCSR0_HUGEPG (_ULCAST_(1) << MCSR0_HUGEPG_SHIFT) #define MCSR0_RPLMTLB_SHIFT 55 #define MCSR0_RPLMTLB (_ULCAST_(1) << MCSR0_RPLMTLB_SHIFT) #define MCSR0_EP_SHIFT 54 #define MCSR0_EP (_ULCAST_(1) << MCSR0_EP_SHIFT) #define MCSR0_RI_SHIFT 53 #define MCSR0_RI (_ULCAST_(1) << MCSR0_RI_SHIFT) #define MCSR0_UAL_SHIFT 52 #define MCSR0_UAL (_ULCAST_(1) << MCSR0_UAL_SHIFT) #define MCSR0_VABIT_SHIFT 44 #define MCSR0_VABIT_WIDTH 8 #define MCSR0_VABIT (_ULCAST_(0xff) << MCSR0_VABIT_SHIFT) #define VABIT_DEFAULT 0x2f #define MCSR0_PABIT_SHIFT 36 #define MCSR0_PABIT_WIDTH 8 #define MCSR0_PABIT (_ULCAST_(0xff) << MCSR0_PABIT_SHIFT) #define PABIT_DEFAULT 0x2f #define MCSR0_IOCSR_SHIFT 35 #define MCSR0_IOCSR (_ULCAST_(1) << MCSR0_IOCSR_SHIFT) #define MCSR0_PAGING_SHIFT 34 #define MCSR0_PAGING (_ULCAST_(1) << MCSR0_PAGING_SHIFT) #define MCSR0_GR64_SHIFT 33 #define MCSR0_GR64 (_ULCAST_(1) << MCSR0_GR64_SHIFT) #define GR64_DEFAULT 1 #define MCSR0_GR32_SHIFT 32 #define MCSR0_GR32 (_ULCAST_(1) << MCSR0_GR32_SHIFT) #define GR32_DEFAULT 0 #define MCSR0_PRID_WIDTH 32 #define MCSR0_PRID 0x14C010 #define LOONGARCH_CSR_MCSR1 0xc1 /* CPUCFG2 and CPUCFG3 */ #define MCSR1_HPFOLD_SHIFT 43 #define MCSR1_HPFOLD (_ULCAST_(1) << MCSR1_HPFOLD_SHIFT) #define MCSR1_SPW_LVL_SHIFT 40 #define MCSR1_SPW_LVL_WIDTH 3 #define MCSR1_SPW_LVL (_ULCAST_(7) << MCSR1_SPW_LVL_SHIFT) #define MCSR1_ICACHET_SHIFT 39 #define MCSR1_ICACHET (_ULCAST_(1) << MCSR1_ICACHET_SHIFT) #define MCSR1_ITLBT_SHIFT 38 #define MCSR1_ITLBT (_ULCAST_(1) << MCSR1_ITLBT_SHIFT) #define MCSR1_LLDBAR_SHIFT 37 #define MCSR1_LLDBAR (_ULCAST_(1) << MCSR1_LLDBAR_SHIFT) #define MCSR1_SCDLY_SHIFT 36 #define MCSR1_SCDLY (_ULCAST_(1) << MCSR1_SCDLY_SHIFT) #define MCSR1_LLEXC_SHIFT 35 #define MCSR1_LLEXC (_ULCAST_(1) << MCSR1_LLEXC_SHIFT) #define MCSR1_UCACC_SHIFT 34 #define MCSR1_UCACC (_ULCAST_(1) << MCSR1_UCACC_SHIFT) #define MCSR1_SFB_SHIFT 33 #define MCSR1_SFB (_ULCAST_(1) << MCSR1_SFB_SHIFT) #define MCSR1_CCDMA_SHIFT 32 #define MCSR1_CCDMA (_ULCAST_(1) << MCSR1_CCDMA_SHIFT) #define MCSR1_LAMO_SHIFT 22 #define MCSR1_LAMO (_ULCAST_(1) << MCSR1_LAMO_SHIFT) #define MCSR1_LSPW_SHIFT 21 #define MCSR1_LSPW (_ULCAST_(1) << MCSR1_LSPW_SHIFT) #define MCSR1_MIPSBT_SHIFT 20 #define MCSR1_MIPSBT (_ULCAST_(1) << MCSR1_MIPSBT_SHIFT) #define MCSR1_ARMBT_SHIFT 19 #define MCSR1_ARMBT (_ULCAST_(1) << MCSR1_ARMBT_SHIFT) #define MCSR1_X86BT_SHIFT 18 #define MCSR1_X86BT (_ULCAST_(1) << MCSR1_X86BT_SHIFT) #define MCSR1_LLFTPVERS_SHIFT 15 #define MCSR1_LLFTPVERS_WIDTH 3 #define MCSR1_LLFTPVERS (_ULCAST_(7) << MCSR1_LLFTPVERS_SHIFT) #define MCSR1_LLFTP_SHIFT 14 #define MCSR1_LLFTP (_ULCAST_(1) << MCSR1_LLFTP_SHIFT) #define MCSR1_VZVERS_SHIFT 11 #define MCSR1_VZVERS_WIDTH 3 #define MCSR1_VZVERS (_ULCAST_(7) << MCSR1_VZVERS_SHIFT) #define MCSR1_VZ_SHIFT 10 #define MCSR1_VZ (_ULCAST_(1) << MCSR1_VZ_SHIFT) #define MCSR1_CRYPTO_SHIFT 9 #define MCSR1_CRYPTO (_ULCAST_(1) << MCSR1_CRYPTO_SHIFT) #define MCSR1_COMPLEX_SHIFT 8 #define MCSR1_COMPLEX (_ULCAST_(1) << MCSR1_COMPLEX_SHIFT) #define MCSR1_LASX_SHIFT 7 #define MCSR1_LASX (_ULCAST_(1) << MCSR1_LASX_SHIFT) #define MCSR1_LSX_SHIFT 6 #define MCSR1_LSX (_ULCAST_(1) << MCSR1_LSX_SHIFT) #define MCSR1_FPVERS_SHIFT 3 #define MCSR1_FPVERS_WIDTH 3 #define MCSR1_FPVERS (_ULCAST_(7) << MCSR1_FPVERS_SHIFT) #define MCSR1_FPDP_SHIFT 2 #define MCSR1_FPDP (_ULCAST_(1) << MCSR1_FPDP_SHIFT) #define MCSR1_FPSP_SHIFT 1 #define MCSR1_FPSP (_ULCAST_(1) << MCSR1_FPSP_SHIFT) #define MCSR1_FP_SHIFT 0 #define MCSR1_FP (_ULCAST_(1) << MCSR1_FP_SHIFT) #define LOONGARCH_CSR_MCSR2 0xc2 /* CPUCFG4 and CPUCFG5 */ #define MCSR2_CCDIV_SHIFT 48 #define MCSR2_CCDIV_WIDTH 16 #define MCSR2_CCDIV (_ULCAST_(0xffff) << MCSR2_CCDIV_SHIFT) #define MCSR2_CCMUL_SHIFT 32 #define MCSR2_CCMUL_WIDTH 16 #define MCSR2_CCMUL (_ULCAST_(0xffff) << MCSR2_CCMUL_SHIFT) #define MCSR2_CCFREQ_WIDTH 32 #define MCSR2_CCFREQ (_ULCAST_(0xffffffff)) #define CCFREQ_DEFAULT 0x5f5e100 /* 100MHz */ #define LOONGARCH_CSR_MCSR3 0xc3 /* CPUCFG6 */ #define MCSR3_UPM_SHIFT 14 #define MCSR3_UPM (_ULCAST_(1) << MCSR3_UPM_SHIFT) #define MCSR3_PMBITS_SHIFT 8 #define MCSR3_PMBITS_WIDTH 6 #define MCSR3_PMBITS (_ULCAST_(0x3f) << MCSR3_PMBITS_SHIFT) #define PMBITS_DEFAULT 0x40 #define MCSR3_PMNUM_SHIFT 4 #define MCSR3_PMNUM_WIDTH 4 #define MCSR3_PMNUM (_ULCAST_(0xf) << MCSR3_PMNUM_SHIFT) #define MCSR3_PAMVER_SHIFT 1 #define MCSR3_PAMVER_WIDTH 3 #define MCSR3_PAMVER (_ULCAST_(0x7) << MCSR3_PAMVER_SHIFT) #define MCSR3_PMP_SHIFT 0 #define MCSR3_PMP (_ULCAST_(1) << MCSR3_PMP_SHIFT) #define LOONGARCH_CSR_MCSR8 0xc8 /* CPUCFG16 and CPUCFG17 */ #define MCSR8_L1I_SIZE_SHIFT 56 #define MCSR8_L1I_SIZE_WIDTH 7 #define MCSR8_L1I_SIZE (_ULCAST_(0x7f) << MCSR8_L1I_SIZE_SHIFT) #define MCSR8_L1I_IDX_SHIFT 48 #define MCSR8_L1I_IDX_WIDTH 8 #define MCSR8_L1I_IDX (_ULCAST_(0xff) << MCSR8_L1I_IDX_SHIFT) #define MCSR8_L1I_WAY_SHIFT 32 #define MCSR8_L1I_WAY_WIDTH 16 #define MCSR8_L1I_WAY (_ULCAST_(0xffff) << MCSR8_L1I_WAY_SHIFT) #define MCSR8_L3DINCL_SHIFT 16 #define MCSR8_L3DINCL (_ULCAST_(1) << MCSR8_L3DINCL_SHIFT) #define MCSR8_L3DPRIV_SHIFT 15 #define MCSR8_L3DPRIV (_ULCAST_(1) << MCSR8_L3DPRIV_SHIFT) #define MCSR8_L3DPRE_SHIFT 14 #define MCSR8_L3DPRE (_ULCAST_(1) << MCSR8_L3DPRE_SHIFT) #define MCSR8_L3IUINCL_SHIFT 13 #define MCSR8_L3IUINCL (_ULCAST_(1) << MCSR8_L3IUINCL_SHIFT) #define MCSR8_L3IUPRIV_SHIFT 12 #define MCSR8_L3IUPRIV (_ULCAST_(1) << MCSR8_L3IUPRIV_SHIFT) #define MCSR8_L3IUUNIFY_SHIFT 11 #define MCSR8_L3IUUNIFY (_ULCAST_(1) << MCSR8_L3IUUNIFY_SHIFT) #define MCSR8_L3IUPRE_SHIFT 10 #define MCSR8_L3IUPRE (_ULCAST_(1) << MCSR8_L3IUPRE_SHIFT) #define MCSR8_L2DINCL_SHIFT 9 #define MCSR8_L2DINCL (_ULCAST_(1) << MCSR8_L2DINCL_SHIFT) #define MCSR8_L2DPRIV_SHIFT 8 #define MCSR8_L2DPRIV (_ULCAST_(1) << MCSR8_L2DPRIV_SHIFT) #define MCSR8_L2DPRE_SHIFT 7 #define MCSR8_L2DPRE (_ULCAST_(1) << MCSR8_L2DPRE_SHIFT) #define MCSR8_L2IUINCL_SHIFT 6 #define MCSR8_L2IUINCL (_ULCAST_(1) << MCSR8_L2IUINCL_SHIFT) #define MCSR8_L2IUPRIV_SHIFT 5 #define MCSR8_L2IUPRIV (_ULCAST_(1) << MCSR8_L2IUPRIV_SHIFT) #define MCSR8_L2IUUNIFY_SHIFT 4 #define MCSR8_L2IUUNIFY (_ULCAST_(1) << MCSR8_L2IUUNIFY_SHIFT) #define MCSR8_L2IUPRE_SHIFT 3 #define MCSR8_L2IUPRE (_ULCAST_(1) << MCSR8_L2IUPRE_SHIFT) #define MCSR8_L1DPRE_SHIFT 2 #define MCSR8_L1DPRE (_ULCAST_(1) << MCSR8_L1DPRE_SHIFT) #define MCSR8_L1IUUNIFY_SHIFT 1 #define MCSR8_L1IUUNIFY (_ULCAST_(1) << MCSR8_L1IUUNIFY_SHIFT) #define MCSR8_L1IUPRE_SHIFT 0 #define MCSR8_L1IUPRE (_ULCAST_(1) << MCSR8_L1IUPRE_SHIFT) #define LOONGARCH_CSR_MCSR9 0xc9 /* CPUCFG18 and CPUCFG19 */ #define MCSR9_L2U_SIZE_SHIFT 56 #define MCSR9_L2U_SIZE_WIDTH 7 #define MCSR9_L2U_SIZE (_ULCAST_(0x7f) << MCSR9_L2U_SIZE_SHIFT) #define MCSR9_L2U_IDX_SHIFT 48 #define MCSR9_L2U_IDX_WIDTH 8 #define MCSR9_L2U_IDX (_ULCAST_(0xff) << MCSR9_IDX_LOG_SHIFT) #define MCSR9_L2U_WAY_SHIFT 32 #define MCSR9_L2U_WAY_WIDTH 16 #define MCSR9_L2U_WAY (_ULCAST_(0xffff) << MCSR9_L2U_WAY_SHIFT) #define MCSR9_L1D_SIZE_SHIFT 24 #define MCSR9_L1D_SIZE_WIDTH 7 #define MCSR9_L1D_SIZE (_ULCAST_(0x7f) << MCSR9_L1D_SIZE_SHIFT) #define MCSR9_L1D_IDX_SHIFT 16 #define MCSR9_L1D_IDX_WIDTH 8 #define MCSR9_L1D_IDX (_ULCAST_(0xff) << MCSR9_L1D_IDX_SHIFT) #define MCSR9_L1D_WAY_SHIFT 0 #define MCSR9_L1D_WAY_WIDTH 16 #define MCSR9_L1D_WAY (_ULCAST_(0xffff) << MCSR9_L1D_WAY_SHIFT) #define LOONGARCH_CSR_MCSR10 0xca /* CPUCFG20 */ #define MCSR10_L3U_SIZE_SHIFT 24 #define MCSR10_L3U_SIZE_WIDTH 7 #define MCSR10_L3U_SIZE (_ULCAST_(0x7f) << MCSR10_L3U_SIZE_SHIFT) #define MCSR10_L3U_IDX_SHIFT 16 #define MCSR10_L3U_IDX_WIDTH 8 #define MCSR10_L3U_IDX (_ULCAST_(0xff) << MCSR10_L3U_IDX_SHIFT) #define MCSR10_L3U_WAY_SHIFT 0 #define MCSR10_L3U_WAY_WIDTH 16 #define MCSR10_L3U_WAY (_ULCAST_(0xffff) << MCSR10_L3U_WAY_SHIFT) #define LOONGARCH_CSR_MCSR24 0xf0 /* cpucfg48 */ #define MCSR24_RAMCG_SHIFT 3 #define MCSR24_RAMCG (_ULCAST_(1) << MCSR24_RAMCG_SHIFT) #define MCSR24_VFPUCG_SHIFT 2 #define MCSR24_VFPUCG (_ULCAST_(1) << MCSR24_VFPUCG_SHIFT) #define MCSR24_NAPEN_SHIFT 1 #define MCSR24_NAPEN (_ULCAST_(1) << MCSR24_NAPEN_SHIFT) #define MCSR24_MCSRLOCK_SHIFT 0 #define MCSR24_MCSRLOCK (_ULCAST_(1) << MCSR24_MCSRLOCK_SHIFT) /* Uncached accelerate windows registers */ #define LOONGARCH_CSR_UCAWIN 0x100 #define LOONGARCH_CSR_UCAWIN0_LO 0x102 #define LOONGARCH_CSR_UCAWIN0_HI 0x103 #define LOONGARCH_CSR_UCAWIN1_LO 0x104 #define LOONGARCH_CSR_UCAWIN1_HI 0x105 #define LOONGARCH_CSR_UCAWIN2_LO 0x106 #define LOONGARCH_CSR_UCAWIN2_HI 0x107 #define LOONGARCH_CSR_UCAWIN3_LO 0x108 #define LOONGARCH_CSR_UCAWIN3_HI 0x109 /* Direct Map windows registers */ #define LOONGARCH_CSR_DMWIN0 0x180 /* 64 direct map win0: MEM & IF */ #define LOONGARCH_CSR_DMWIN1 0x181 /* 64 direct map win1: MEM & IF */ #define LOONGARCH_CSR_DMWIN2 0x182 /* 64 direct map win2: MEM */ #define LOONGARCH_CSR_DMWIN3 0x183 /* 64 direct map win3: MEM */ /* Direct Map window 0/1 */ #define CSR_DMW0_PLV0 _CONST64_(1 << 0) #define CSR_DMW0_VSEG _CONST64_(0x8000) #define CSR_DMW0_BASE (CSR_DMW0_VSEG << DMW_PABITS) #define CSR_DMW0_INIT (CSR_DMW0_BASE | CSR_DMW0_PLV0) #define CSR_DMW1_PLV0 _CONST64_(1 << 0) #define CSR_DMW1_MAT _CONST64_(1 << 4) #define CSR_DMW1_VSEG _CONST64_(0x9000) #define CSR_DMW1_BASE (CSR_DMW1_VSEG << DMW_PABITS) #define CSR_DMW1_INIT (CSR_DMW1_BASE | CSR_DMW1_MAT | CSR_DMW1_PLV0) /* Performance Counter registers */ #define LOONGARCH_CSR_PERFCTRL0 0x200 /* 32 perf event 0 config */ #define LOONGARCH_CSR_PERFCNTR0 0x201 /* 64 perf event 0 count value */ #define LOONGARCH_CSR_PERFCTRL1 0x202 /* 32 perf event 1 config */ #define LOONGARCH_CSR_PERFCNTR1 0x203 /* 64 perf event 1 count value */ #define LOONGARCH_CSR_PERFCTRL2 0x204 /* 32 perf event 2 config */ #define LOONGARCH_CSR_PERFCNTR2 0x205 /* 64 perf event 2 count value */ #define LOONGARCH_CSR_PERFCTRL3 0x206 /* 32 perf event 3 config */ #define LOONGARCH_CSR_PERFCNTR3 0x207 /* 64 perf event 3 count value */ #define CSR_PERFCTRL_PLV0 (_ULCAST_(1) << 16) #define CSR_PERFCTRL_PLV1 (_ULCAST_(1) << 17) #define CSR_PERFCTRL_PLV2 (_ULCAST_(1) << 18) #define CSR_PERFCTRL_PLV3 (_ULCAST_(1) << 19) #define CSR_PERFCTRL_IE (_ULCAST_(1) << 20) #define CSR_PERFCTRL_EVENT 0x3ff /* Debug registers */ #define LOONGARCH_CSR_MWPC 0x300 /* data breakpoint config */ #define LOONGARCH_CSR_MWPS 0x301 /* data breakpoint status */ #define LOONGARCH_CSR_DB0ADDR 0x310 /* data breakpoint 0 address */ #define LOONGARCH_CSR_DB0MASK 0x311 /* data breakpoint 0 mask */ #define LOONGARCH_CSR_DB0CTRL 0x312 /* data breakpoint 0 control */ #define LOONGARCH_CSR_DB0ASID 0x313 /* data breakpoint 0 asid */ #define LOONGARCH_CSR_DB1ADDR 0x318 /* data breakpoint 1 address */ #define LOONGARCH_CSR_DB1MASK 0x319 /* data breakpoint 1 mask */ #define LOONGARCH_CSR_DB1CTRL 0x31a /* data breakpoint 1 control */ #define LOONGARCH_CSR_DB1ASID 0x31b /* data breakpoint 1 asid */ #define LOONGARCH_CSR_DB2ADDR 0x320 /* data breakpoint 2 address */ #define LOONGARCH_CSR_DB2MASK 0x321 /* data breakpoint 2 mask */ #define LOONGARCH_CSR_DB2CTRL 0x322 /* data breakpoint 2 control */ #define LOONGARCH_CSR_DB2ASID 0x323 /* data breakpoint 2 asid */ #define LOONGARCH_CSR_DB3ADDR 0x328 /* data breakpoint 3 address */ #define LOONGARCH_CSR_DB3MASK 0x329 /* data breakpoint 3 mask */ #define LOONGARCH_CSR_DB3CTRL 0x32a /* data breakpoint 3 control */ #define LOONGARCH_CSR_DB3ASID 0x32b /* data breakpoint 3 asid */ #define LOONGARCH_CSR_DB4ADDR 0x330 /* data breakpoint 4 address */ #define LOONGARCH_CSR_DB4MASK 0x331 /* data breakpoint 4 maks */ #define LOONGARCH_CSR_DB4CTRL 0x332 /* data breakpoint 4 control */ #define LOONGARCH_CSR_DB4ASID 0x333 /* data breakpoint 4 asid */ #define LOONGARCH_CSR_DB5ADDR 0x338 /* data breakpoint 5 address */ #define LOONGARCH_CSR_DB5MASK 0x339 /* data breakpoint 5 mask */ #define LOONGARCH_CSR_DB5CTRL 0x33a /* data breakpoint 5 control */ #define LOONGARCH_CSR_DB5ASID 0x33b /* data breakpoint 5 asid */ #define LOONGARCH_CSR_DB6ADDR 0x340 /* data breakpoint 6 address */ #define LOONGARCH_CSR_DB6MASK 0x341 /* data breakpoint 6 mask */ #define LOONGARCH_CSR_DB6CTRL 0x342 /* data breakpoint 6 control */ #define LOONGARCH_CSR_DB6ASID 0x343 /* data breakpoint 6 asid */ #define LOONGARCH_CSR_DB7ADDR 0x348 /* data breakpoint 7 address */ #define LOONGARCH_CSR_DB7MASK 0x349 /* data breakpoint 7 mask */ #define LOONGARCH_CSR_DB7CTRL 0x34a /* data breakpoint 7 control */ #define LOONGARCH_CSR_DB7ASID 0x34b /* data breakpoint 7 asid */ #define LOONGARCH_CSR_FWPC 0x380 /* instruction breakpoint config */ #define LOONGARCH_CSR_FWPS 0x381 /* instruction breakpoint status */ #define LOONGARCH_CSR_IB0ADDR 0x390 /* inst breakpoint 0 address */ #define LOONGARCH_CSR_IB0MASK 0x391 /* inst breakpoint 0 mask */ #define LOONGARCH_CSR_IB0CTRL 0x392 /* inst breakpoint 0 control */ #define LOONGARCH_CSR_IB0ASID 0x393 /* inst breakpoint 0 asid */ #define LOONGARCH_CSR_IB1ADDR 0x398 /* inst breakpoint 1 address */ #define LOONGARCH_CSR_IB1MASK 0x399 /* inst breakpoint 1 mask */ #define LOONGARCH_CSR_IB1CTRL 0x39a /* inst breakpoint 1 control */ #define LOONGARCH_CSR_IB1ASID 0x39b /* inst breakpoint 1 asid */ #define LOONGARCH_CSR_IB2ADDR 0x3a0 /* inst breakpoint 2 address */ #define LOONGARCH_CSR_IB2MASK 0x3a1 /* inst breakpoint 2 mask */ #define LOONGARCH_CSR_IB2CTRL 0x3a2 /* inst breakpoint 2 control */ #define LOONGARCH_CSR_IB2ASID 0x3a3 /* inst breakpoint 2 asid */ #define LOONGARCH_CSR_IB3ADDR 0x3a8 /* inst breakpoint 3 address */ #define LOONGARCH_CSR_IB3MASK 0x3a9 /* breakpoint 3 mask */ #define LOONGARCH_CSR_IB3CTRL 0x3aa /* inst breakpoint 3 control */ #define LOONGARCH_CSR_IB3ASID 0x3ab /* inst breakpoint 3 asid */ #define LOONGARCH_CSR_IB4ADDR 0x3b0 /* inst breakpoint 4 address */ #define LOONGARCH_CSR_IB4MASK 0x3b1 /* inst breakpoint 4 mask */ #define LOONGARCH_CSR_IB4CTRL 0x3b2 /* inst breakpoint 4 control */ #define LOONGARCH_CSR_IB4ASID 0x3b3 /* inst breakpoint 4 asid */ #define LOONGARCH_CSR_IB5ADDR 0x3b8 /* inst breakpoint 5 address */ #define LOONGARCH_CSR_IB5MASK 0x3b9 /* inst breakpoint 5 mask */ #define LOONGARCH_CSR_IB5CTRL 0x3ba /* inst breakpoint 5 control */ #define LOONGARCH_CSR_IB5ASID 0x3bb /* inst breakpoint 5 asid */ #define LOONGARCH_CSR_IB6ADDR 0x3c0 /* inst breakpoint 6 address */ #define LOONGARCH_CSR_IB6MASK 0x3c1 /* inst breakpoint 6 mask */ #define LOONGARCH_CSR_IB6CTRL 0x3c2 /* inst breakpoint 6 control */ #define LOONGARCH_CSR_IB6ASID 0x3c3 /* inst breakpoint 6 asid */ #define LOONGARCH_CSR_IB7ADDR 0x3c8 /* inst breakpoint 7 address */ #define LOONGARCH_CSR_IB7MASK 0x3c9 /* inst breakpoint 7 mask */ #define LOONGARCH_CSR_IB7CTRL 0x3ca /* inst breakpoint 7 control */ #define LOONGARCH_CSR_IB7ASID 0x3cb /* inst breakpoint 7 asid */ #define LOONGARCH_CSR_DEBUG 0x500 /* debug config */ #define LOONGARCH_CSR_DERA 0x501 /* debug era */ #define LOONGARCH_CSR_DESAVE 0x502 /* debug save */ #define CSR_FWPC_SKIP_SHIFT 16 #define CSR_FWPC_SKIP (_ULCAST_(1) << CSR_FWPC_SKIP_SHIFT) /* * CSR_ECFG IM */ #define ECFG0_IM 0x00001fff #define ECFGB_SIP0 0 #define ECFGF_SIP0 (_ULCAST_(1) << ECFGB_SIP0) #define ECFGB_SIP1 1 #define ECFGF_SIP1 (_ULCAST_(1) << ECFGB_SIP1) #define ECFGB_IP0 2 #define ECFGF_IP0 (_ULCAST_(1) << ECFGB_IP0) #define ECFGB_IP1 3 #define ECFGF_IP1 (_ULCAST_(1) << ECFGB_IP1) #define ECFGB_IP2 4 #define ECFGF_IP2 (_ULCAST_(1) << ECFGB_IP2) #define ECFGB_IP3 5 #define ECFGF_IP3 (_ULCAST_(1) << ECFGB_IP3) #define ECFGB_IP4 6 #define ECFGF_IP4 (_ULCAST_(1) << ECFGB_IP4) #define ECFGB_IP5 7 #define ECFGF_IP5 (_ULCAST_(1) << ECFGB_IP5) #define ECFGB_IP6 8 #define ECFGF_IP6 (_ULCAST_(1) << ECFGB_IP6) #define ECFGB_IP7 9 #define ECFGF_IP7 (_ULCAST_(1) << ECFGB_IP7) #define ECFGB_PMC 10 #define ECFGF_PMC (_ULCAST_(1) << ECFGB_PMC) #define ECFGB_TIMER 11 #define ECFGF_TIMER (_ULCAST_(1) << ECFGB_TIMER) #define ECFGB_IPI 12 #define ECFGF_IPI (_ULCAST_(1) << ECFGB_IPI) #define ECFGF(hwirq) (_ULCAST_(1) << hwirq) #define ESTATF_IP 0x00003fff #define LOONGARCH_IOCSR_FEATURES 0x8 #define IOCSRF_TEMP BIT_ULL(0) #define IOCSRF_NODECNT BIT_ULL(1) #define IOCSRF_MSI BIT_ULL(2) #define IOCSRF_EXTIOI BIT_ULL(3) #define IOCSRF_CSRIPI BIT_ULL(4) #define IOCSRF_FREQCSR BIT_ULL(5) #define IOCSRF_FREQSCALE BIT_ULL(6) #define IOCSRF_DVFSV1 BIT_ULL(7) #define IOCSRF_EIODECODE BIT_ULL(9) #define IOCSRF_FLATMODE BIT_ULL(10) #define IOCSRF_VM BIT_ULL(11) #define LOONGARCH_IOCSR_VENDOR 0x10 #define LOONGARCH_IOCSR_CPUNAME 0x20 #define LOONGARCH_IOCSR_NODECNT 0x408 #define LOONGARCH_IOCSR_MISC_FUNC 0x420 #define IOCSR_MISC_FUNC_TIMER_RESET BIT_ULL(21) #define IOCSR_MISC_FUNC_EXT_IOI_EN BIT_ULL(48) #define LOONGARCH_IOCSR_CPUTEMP 0x428 /* PerCore CSR, only accessible by local cores */ #define LOONGARCH_IOCSR_IPI_STATUS 0x1000 #define LOONGARCH_IOCSR_IPI_EN 0x1004 #define LOONGARCH_IOCSR_IPI_SET 0x1008 #define LOONGARCH_IOCSR_IPI_CLEAR 0x100c #define LOONGARCH_IOCSR_MBUF0 0x1020 #define LOONGARCH_IOCSR_MBUF1 0x1028 #define LOONGARCH_IOCSR_MBUF2 0x1030 #define LOONGARCH_IOCSR_MBUF3 0x1038 #define LOONGARCH_IOCSR_IPI_SEND 0x1040 #define IOCSR_IPI_SEND_IP_SHIFT 0 #define IOCSR_IPI_SEND_CPU_SHIFT 16 #define IOCSR_IPI_SEND_BLOCKING BIT(31) #define LOONGARCH_IOCSR_MBUF_SEND 0x1048 #define IOCSR_MBUF_SEND_BLOCKING BIT_ULL(31) #define IOCSR_MBUF_SEND_BOX_SHIFT 2 #define IOCSR_MBUF_SEND_BOX_LO(box) (box << 1) #define IOCSR_MBUF_SEND_BOX_HI(box) ((box << 1) + 1) #define IOCSR_MBUF_SEND_CPU_SHIFT 16 #define IOCSR_MBUF_SEND_BUF_SHIFT 32 #define IOCSR_MBUF_SEND_H32_MASK 0xFFFFFFFF00000000ULL #define LOONGARCH_IOCSR_ANY_SEND 0x1158 #define IOCSR_ANY_SEND_BLOCKING BIT_ULL(31) #define IOCSR_ANY_SEND_CPU_SHIFT 16 #define IOCSR_ANY_SEND_MASK_SHIFT 27 #define IOCSR_ANY_SEND_BUF_SHIFT 32 #define IOCSR_ANY_SEND_H32_MASK 0xFFFFFFFF00000000ULL /* Register offset and bit definition for CSR access */ #define LOONGARCH_IOCSR_TIMER_CFG 0x1060 #define LOONGARCH_IOCSR_TIMER_TICK 0x1070 #define IOCSR_TIMER_CFG_RESERVED (_ULCAST_(1) << 63) #define IOCSR_TIMER_CFG_PERIODIC (_ULCAST_(1) << 62) #define IOCSR_TIMER_CFG_EN (_ULCAST_(1) << 61) #define IOCSR_TIMER_MASK 0x0ffffffffffffULL #define IOCSR_TIMER_INITVAL_RST (_ULCAST_(0xffff) << 48) #define LOONGARCH_IOCSR_EXTIOI_NODEMAP_BASE 0x14a0 #define LOONGARCH_IOCSR_EXTIOI_IPMAP_BASE 0x14c0 #define LOONGARCH_IOCSR_EXTIOI_EN_BASE 0x1600 #define LOONGARCH_IOCSR_EXTIOI_BOUNCE_BASE 0x1680 #define LOONGARCH_IOCSR_EXTIOI_ISR_BASE 0x1800 #define LOONGARCH_IOCSR_EXTIOI_ROUTE_BASE 0x1c00 #define IOCSR_EXTIOI_VECTOR_NUM 256 #ifndef __ASSEMBLY__ static __always_inline u64 drdtime(void) { u64 val = 0; __asm__ __volatile__( "rdtime.d %0, $zero\n\t" : "=r"(val) : ); return val; } static inline unsigned int get_csr_cpuid(void) { return csr_read32(LOONGARCH_CSR_CPUID); } static inline void csr_any_send(unsigned int addr, unsigned int data, unsigned int data_mask, unsigned int cpu) { uint64_t val = 0; val = IOCSR_ANY_SEND_BLOCKING | addr; val |= (cpu << IOCSR_ANY_SEND_CPU_SHIFT); val |= (data_mask << IOCSR_ANY_SEND_MASK_SHIFT); val |= ((uint64_t)data << IOCSR_ANY_SEND_BUF_SHIFT); iocsr_write64(val, LOONGARCH_IOCSR_ANY_SEND); } static inline unsigned int read_csr_excode(void) { return (csr_read32(LOONGARCH_CSR_ESTAT) & CSR_ESTAT_EXC) >> CSR_ESTAT_EXC_SHIFT; } static inline void write_csr_index(unsigned int idx) { csr_xchg32(idx, CSR_TLBIDX_IDXM, LOONGARCH_CSR_TLBIDX); } static inline unsigned int read_csr_pagesize(void) { return (csr_read32(LOONGARCH_CSR_TLBIDX) & CSR_TLBIDX_SIZEM) >> CSR_TLBIDX_SIZE; } static inline void write_csr_pagesize(unsigned int size) { csr_xchg32(size << CSR_TLBIDX_SIZE, CSR_TLBIDX_SIZEM, LOONGARCH_CSR_TLBIDX); } static inline unsigned int read_csr_tlbrefill_pagesize(void) { return (csr_read64(LOONGARCH_CSR_TLBREHI) & CSR_TLBREHI_PS) >> CSR_TLBREHI_PS_SHIFT; } static inline void write_csr_tlbrefill_pagesize(unsigned int size) { csr_xchg64(size << CSR_TLBREHI_PS_SHIFT, CSR_TLBREHI_PS, LOONGARCH_CSR_TLBREHI); } #define read_csr_asid() csr_read32(LOONGARCH_CSR_ASID) #define write_csr_asid(val) csr_write32(val, LOONGARCH_CSR_ASID) #define read_csr_entryhi() csr_read64(LOONGARCH_CSR_TLBEHI) #define write_csr_entryhi(val) csr_write64(val, LOONGARCH_CSR_TLBEHI) #define read_csr_entrylo0() csr_read64(LOONGARCH_CSR_TLBELO0) #define write_csr_entrylo0(val) csr_write64(val, LOONGARCH_CSR_TLBELO0) #define read_csr_entrylo1() csr_read64(LOONGARCH_CSR_TLBELO1) #define write_csr_entrylo1(val) csr_write64(val, LOONGARCH_CSR_TLBELO1) #define read_csr_ecfg() csr_read32(LOONGARCH_CSR_ECFG) #define write_csr_ecfg(val) csr_write32(val, LOONGARCH_CSR_ECFG) #define read_csr_estat() csr_read32(LOONGARCH_CSR_ESTAT) #define write_csr_estat(val) csr_write32(val, LOONGARCH_CSR_ESTAT) #define read_csr_tlbidx() csr_read32(LOONGARCH_CSR_TLBIDX) #define write_csr_tlbidx(val) csr_write32(val, LOONGARCH_CSR_TLBIDX) #define read_csr_euen() csr_read32(LOONGARCH_CSR_EUEN) #define write_csr_euen(val) csr_write32(val, LOONGARCH_CSR_EUEN) #define read_csr_cpuid() csr_read32(LOONGARCH_CSR_CPUID) #define read_csr_prcfg1() csr_read64(LOONGARCH_CSR_PRCFG1) #define write_csr_prcfg1(val) csr_write64(val, LOONGARCH_CSR_PRCFG1) #define read_csr_prcfg2() csr_read64(LOONGARCH_CSR_PRCFG2) #define write_csr_prcfg2(val) csr_write64(val, LOONGARCH_CSR_PRCFG2) #define read_csr_prcfg3() csr_read64(LOONGARCH_CSR_PRCFG3) #define write_csr_prcfg3(val) csr_write64(val, LOONGARCH_CSR_PRCFG3) #define read_csr_stlbpgsize() csr_read32(LOONGARCH_CSR_STLBPGSIZE) #define write_csr_stlbpgsize(val) csr_write32(val, LOONGARCH_CSR_STLBPGSIZE) #define read_csr_rvacfg() csr_read32(LOONGARCH_CSR_RVACFG) #define write_csr_rvacfg(val) csr_write32(val, LOONGARCH_CSR_RVACFG) #define write_csr_tintclear(val) csr_write32(val, LOONGARCH_CSR_TINTCLR) #define read_csr_impctl1() csr_read64(LOONGARCH_CSR_IMPCTL1) #define write_csr_impctl1(val) csr_write64(val, LOONGARCH_CSR_IMPCTL1) #define write_csr_impctl2(val) csr_write64(val, LOONGARCH_CSR_IMPCTL2) #define read_csr_perfctrl0() csr_read64(LOONGARCH_CSR_PERFCTRL0) #define read_csr_perfcntr0() csr_read64(LOONGARCH_CSR_PERFCNTR0) #define read_csr_perfctrl1() csr_read64(LOONGARCH_CSR_PERFCTRL1) #define read_csr_perfcntr1() csr_read64(LOONGARCH_CSR_PERFCNTR1) #define read_csr_perfctrl2() csr_read64(LOONGARCH_CSR_PERFCTRL2) #define read_csr_perfcntr2() csr_read64(LOONGARCH_CSR_PERFCNTR2) #define read_csr_perfctrl3() csr_read64(LOONGARCH_CSR_PERFCTRL3) #define read_csr_perfcntr3() csr_read64(LOONGARCH_CSR_PERFCNTR3) #define write_csr_perfctrl0(val) csr_write64(val, LOONGARCH_CSR_PERFCTRL0) #define write_csr_perfcntr0(val) csr_write64(val, LOONGARCH_CSR_PERFCNTR0) #define write_csr_perfctrl1(val) csr_write64(val, LOONGARCH_CSR_PERFCTRL1) #define write_csr_perfcntr1(val) csr_write64(val, LOONGARCH_CSR_PERFCNTR1) #define write_csr_perfctrl2(val) csr_write64(val, LOONGARCH_CSR_PERFCTRL2) #define write_csr_perfcntr2(val) csr_write64(val, LOONGARCH_CSR_PERFCNTR2) #define write_csr_perfctrl3(val) csr_write64(val, LOONGARCH_CSR_PERFCTRL3) #define write_csr_perfcntr3(val) csr_write64(val, LOONGARCH_CSR_PERFCNTR3) /* * Manipulate bits in a register. */ #define __BUILD_CSR_COMMON(name) \ static inline unsigned long \ set_##name(unsigned long set) \ { \ unsigned long res, new; \ \ res = read_##name(); \ new = res | set; \ write_##name(new); \ \ return res; \ } \ \ static inline unsigned long \ clear_##name(unsigned long clear) \ { \ unsigned long res, new; \ \ res = read_##name(); \ new = res & ~clear; \ write_##name(new); \ \ return res; \ } \ \ static inline unsigned long \ change_##name(unsigned long change, unsigned long val) \ { \ unsigned long res, new; \ \ res = read_##name(); \ new = res & ~change; \ new |= (val & change); \ write_##name(new); \ \ return res; \ } #define __BUILD_CSR_OP(name) __BUILD_CSR_COMMON(csr_##name) __BUILD_CSR_OP(euen) __BUILD_CSR_OP(ecfg) __BUILD_CSR_OP(tlbidx) #define set_csr_estat(val) \ csr_xchg32(val, val, LOONGARCH_CSR_ESTAT) #define clear_csr_estat(val) \ csr_xchg32(~(val), val, LOONGARCH_CSR_ESTAT) #endif /* __ASSEMBLY__ */ /* Generic EntryLo bit definitions */ #define ENTRYLO_V (_ULCAST_(1) << 0) #define ENTRYLO_D (_ULCAST_(1) << 1) #define ENTRYLO_PLV_SHIFT 2 #define ENTRYLO_PLV (_ULCAST_(3) << ENTRYLO_PLV_SHIFT) #define ENTRYLO_C_SHIFT 4 #define ENTRYLO_C (_ULCAST_(3) << ENTRYLO_C_SHIFT) #define ENTRYLO_G (_ULCAST_(1) << 6) #define ENTRYLO_NR (_ULCAST_(1) << 61) #define ENTRYLO_NX (_ULCAST_(1) << 62) /* Values for PageSize register */ #define PS_4K 0x0000000c #define PS_8K 0x0000000d #define PS_16K 0x0000000e #define PS_32K 0x0000000f #define PS_64K 0x00000010 #define PS_128K 0x00000011 #define PS_256K 0x00000012 #define PS_512K 0x00000013 #define PS_1M 0x00000014 #define PS_2M 0x00000015 #define PS_4M 0x00000016 #define PS_8M 0x00000017 #define PS_16M 0x00000018 #define PS_32M 0x00000019 #define PS_64M 0x0000001a #define PS_128M 0x0000001b #define PS_256M 0x0000001c #define PS_512M 0x0000001d #define PS_1G 0x0000001e /* Default page size for a given kernel configuration */ #ifdef CONFIG_PAGE_SIZE_4KB #define PS_DEFAULT_SIZE PS_4K #elif defined(CONFIG_PAGE_SIZE_16KB) #define PS_DEFAULT_SIZE PS_16K #elif defined(CONFIG_PAGE_SIZE_64KB) #define PS_DEFAULT_SIZE PS_64K #else #error Bad page size configuration! #endif /* Default huge tlb size for a given kernel configuration */ #ifdef CONFIG_PAGE_SIZE_4KB #define PS_HUGE_SIZE PS_1M #elif defined(CONFIG_PAGE_SIZE_16KB) #define PS_HUGE_SIZE PS_16M #elif defined(CONFIG_PAGE_SIZE_64KB) #define PS_HUGE_SIZE PS_256M #else #error Bad page size configuration for hugetlbfs! #endif /* ExStatus.ExcCode */ #define EXCCODE_RSV 0 /* Reserved */ #define EXCCODE_TLBL 1 /* TLB miss on a load */ #define EXCCODE_TLBS 2 /* TLB miss on a store */ #define EXCCODE_TLBI 3 /* TLB miss on a ifetch */ #define EXCCODE_TLBM 4 /* TLB modified fault */ #define EXCCODE_TLBNR 5 /* TLB Read-Inhibit exception */ #define EXCCODE_TLBNX 6 /* TLB Execution-Inhibit exception */ #define EXCCODE_TLBPE 7 /* TLB Privilege Error */ #define EXCCODE_ADE 8 /* Address Error */ #define EXSUBCODE_ADEF 0 /* Fetch Instruction */ #define EXSUBCODE_ADEM 1 /* Access Memory*/ #define EXCCODE_ALE 9 /* Unalign Access */ #define EXCCODE_BCE 10 /* Bounds Check Error */ #define EXCCODE_SYS 11 /* System call */ #define EXCCODE_BP 12 /* Breakpoint */ #define EXCCODE_INE 13 /* Inst. Not Exist */ #define EXCCODE_IPE 14 /* Inst. Privileged Error */ #define EXCCODE_FPDIS 15 /* FPU Disabled */ #define EXCCODE_LSXDIS 16 /* LSX Disabled */ #define EXCCODE_LASXDIS 17 /* LASX Disabled */ #define EXCCODE_FPE 18 /* Floating Point Exception */ #define EXCSUBCODE_FPE 0 /* Floating Point Exception */ #define EXCSUBCODE_VFPE 1 /* Vector Exception */ #define EXCCODE_WATCH 19 /* WatchPoint Exception */ #define EXCSUBCODE_WPEF 0 /* ... on Instruction Fetch */ #define EXCSUBCODE_WPEM 1 /* ... on Memory Accesses */ #define EXCCODE_BTDIS 20 /* Binary Trans. Disabled */ #define EXCCODE_BTE 21 /* Binary Trans. Exception */ #define EXCCODE_GSPR 22 /* Guest Privileged Error */ #define EXCCODE_HVC 23 /* Hypercall */ #define EXCCODE_GCM 24 /* Guest CSR modified */ #define EXCSUBCODE_GCSC 0 /* Software caused */ #define EXCSUBCODE_GCHC 1 /* Hardware caused */ #define EXCCODE_SE 25 /* Security */ /* Interrupt numbers */ #define INT_SWI0 0 /* Software Interrupts */ #define INT_SWI1 1 #define INT_HWI0 2 /* Hardware Interrupts */ #define INT_HWI1 3 #define INT_HWI2 4 #define INT_HWI3 5 #define INT_HWI4 6 #define INT_HWI5 7 #define INT_HWI6 8 #define INT_HWI7 9 #define INT_PCOV 10 /* Performance Counter Overflow */ #define INT_TI 11 /* Timer */ #define INT_IPI 12 #define INT_NMI 13 /* ExcCodes corresponding to interrupts */ #define EXCCODE_INT_NUM (INT_NMI + 1) #define EXCCODE_INT_START 64 #define EXCCODE_INT_END (EXCCODE_INT_START + EXCCODE_INT_NUM - 1) /* FPU Status Register Names */ #ifndef CONFIG_AS_HAS_FCSR_CLASS #define LOONGARCH_FCSR0 $r0 #define LOONGARCH_FCSR1 $r1 #define LOONGARCH_FCSR2 $r2 #define LOONGARCH_FCSR3 $r3 #else #define LOONGARCH_FCSR0 $fcsr0 #define LOONGARCH_FCSR1 $fcsr1 #define LOONGARCH_FCSR2 $fcsr2 #define LOONGARCH_FCSR3 $fcsr3 #endif /* FPU Status Register Values */ #define FPU_CSR_RSVD 0xe0e0fce0 /* * X the exception cause indicator * E the exception enable * S the sticky/flag bit */ #define FPU_CSR_ALL_X 0x1f000000 #define FPU_CSR_INV_X 0x10000000 #define FPU_CSR_DIV_X 0x08000000 #define FPU_CSR_OVF_X 0x04000000 #define FPU_CSR_UDF_X 0x02000000 #define FPU_CSR_INE_X 0x01000000 #define FPU_CSR_ALL_S 0x001f0000 #define FPU_CSR_INV_S 0x00100000 #define FPU_CSR_DIV_S 0x00080000 #define FPU_CSR_OVF_S 0x00040000 #define FPU_CSR_UDF_S 0x00020000 #define FPU_CSR_INE_S 0x00010000 #define FPU_CSR_ALL_E 0x0000001f #define FPU_CSR_INV_E 0x00000010 #define FPU_CSR_DIV_E 0x00000008 #define FPU_CSR_OVF_E 0x00000004 #define FPU_CSR_UDF_E 0x00000002 #define FPU_CSR_INE_E 0x00000001 /* Bits 8 and 9 of FPU Status Register specify the rounding mode */ #define FPU_CSR_RM 0x300 #define FPU_CSR_RN 0x000 /* nearest */ #define FPU_CSR_RZ 0x100 /* towards zero */ #define FPU_CSR_RU 0x200 /* towards +Infinity */ #define FPU_CSR_RD 0x300 /* towards -Infinity */ /* Bit 6 of FPU Status Register specify the LBT TOP simulation mode */ #define FPU_CSR_TM_SHIFT 0x6 #define FPU_CSR_TM (_ULCAST_(1) << FPU_CSR_TM_SHIFT) #define read_fcsr(source) \ ({ \ unsigned int __res; \ \ __asm__ __volatile__( \ " movfcsr2gr %0, "__stringify(source)" \n" \ : "=r" (__res)); \ __res; \ }) #define write_fcsr(dest, val) \ do { \ __asm__ __volatile__( \ " movgr2fcsr "__stringify(dest)", %0 \n" \ : : "r" (val)); \ } while (0) #endif /* _ASM_LOONGARCH_H */
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