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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2015 Regents of the University of California
*/
#ifndef _ASM_RISCV_CSR_H
#define _ASM_RISCV_CSR_H
#include <asm/asm.h>
#include <linux/bits.h>
/* Status register flags */
#define SR_SIE _AC(0x00000002, UL) /* Supervisor Interrupt Enable */
#define SR_MIE _AC(0x00000008, UL) /* Machine Interrupt Enable */
#define SR_SPIE _AC(0x00000020, UL) /* Previous Supervisor IE */
#define SR_MPIE _AC(0x00000080, UL) /* Previous Machine IE */
#define SR_SPP _AC(0x00000100, UL) /* Previously Supervisor */
#define SR_MPP _AC(0x00001800, UL) /* Previously Machine */
#define SR_SUM _AC(0x00040000, UL) /* Supervisor User Memory Access */
#define SR_FS _AC(0x00006000, UL) /* Floating-point Status */
#define SR_FS_OFF _AC(0x00000000, UL)
#define SR_FS_INITIAL _AC(0x00002000, UL)
#define SR_FS_CLEAN _AC(0x00004000, UL)
#define SR_FS_DIRTY _AC(0x00006000, UL)
#define SR_VS _AC(0x00000600, UL) /* Vector Status */
#define SR_VS_OFF _AC(0x00000000, UL)
#define SR_VS_INITIAL _AC(0x00000200, UL)
#define SR_VS_CLEAN _AC(0x00000400, UL)
#define SR_VS_DIRTY _AC(0x00000600, UL)
#define SR_VS_THEAD _AC(0x01800000, UL) /* xtheadvector Status */
#define SR_VS_OFF_THEAD _AC(0x00000000, UL)
#define SR_VS_INITIAL_THEAD _AC(0x00800000, UL)
#define SR_VS_CLEAN_THEAD _AC(0x01000000, UL)
#define SR_VS_DIRTY_THEAD _AC(0x01800000, UL)
#define SR_XS _AC(0x00018000, UL) /* Extension Status */
#define SR_XS_OFF _AC(0x00000000, UL)
#define SR_XS_INITIAL _AC(0x00008000, UL)
#define SR_XS_CLEAN _AC(0x00010000, UL)
#define SR_XS_DIRTY _AC(0x00018000, UL)
#define SR_FS_VS (SR_FS | SR_VS) /* Vector and Floating-Point Unit */
#ifndef CONFIG_64BIT
#define SR_SD _AC(0x80000000, UL) /* FS/VS/XS dirty */
#else
#define SR_SD _AC(0x8000000000000000, UL) /* FS/VS/XS dirty */
#endif
#ifdef CONFIG_64BIT
#define SR_UXL _AC(0x300000000, UL) /* XLEN mask for U-mode */
#define SR_UXL_32 _AC(0x100000000, UL) /* XLEN = 32 for U-mode */
#define SR_UXL_64 _AC(0x200000000, UL) /* XLEN = 64 for U-mode */
#endif
/* SATP flags */
#ifndef CONFIG_64BIT
#define SATP_PPN _AC(0x003FFFFF, UL)
#define SATP_MODE_32 _AC(0x80000000, UL)
#define SATP_MODE_SHIFT 31
#define SATP_ASID_BITS 9
#define SATP_ASID_SHIFT 22
#define SATP_ASID_MASK _AC(0x1FF, UL)
#else
#define SATP_PPN _AC(0x00000FFFFFFFFFFF, UL)
#define SATP_MODE_39 _AC(0x8000000000000000, UL)
#define SATP_MODE_48 _AC(0x9000000000000000, UL)
#define SATP_MODE_57 _AC(0xa000000000000000, UL)
#define SATP_MODE_SHIFT 60
#define SATP_ASID_BITS 16
#define SATP_ASID_SHIFT 44
#define SATP_ASID_MASK _AC(0xFFFF, UL)
#endif
/* Exception cause high bit - is an interrupt if set */
#define CAUSE_IRQ_FLAG (_AC(1, UL) << (__riscv_xlen - 1))
/* Interrupt causes (minus the high bit) */
#define IRQ_S_SOFT 1
#define IRQ_VS_SOFT 2
#define IRQ_M_SOFT 3
#define IRQ_S_TIMER 5
#define IRQ_VS_TIMER 6
#define IRQ_M_TIMER 7
#define IRQ_S_EXT 9
#define IRQ_VS_EXT 10
#define IRQ_M_EXT 11
#define IRQ_S_GEXT 12
#define IRQ_PMU_OVF 13
#define IRQ_LOCAL_MAX (IRQ_PMU_OVF + 1)
#define IRQ_LOCAL_MASK GENMASK((IRQ_LOCAL_MAX - 1), 0)
/* Exception causes */
#define EXC_INST_MISALIGNED 0
#define EXC_INST_ACCESS 1
#define EXC_INST_ILLEGAL 2
#define EXC_BREAKPOINT 3
#define EXC_LOAD_MISALIGNED 4
#define EXC_LOAD_ACCESS 5
#define EXC_STORE_MISALIGNED 6
#define EXC_STORE_ACCESS 7
#define EXC_SYSCALL 8
#define EXC_HYPERVISOR_SYSCALL 9
#define EXC_SUPERVISOR_SYSCALL 10
#define EXC_INST_PAGE_FAULT 12
#define EXC_LOAD_PAGE_FAULT 13
#define EXC_STORE_PAGE_FAULT 15
#define EXC_INST_GUEST_PAGE_FAULT 20
#define EXC_LOAD_GUEST_PAGE_FAULT 21
#define EXC_VIRTUAL_INST_FAULT 22
#define EXC_STORE_GUEST_PAGE_FAULT 23
/* PMP configuration */
#define PMP_R 0x01
#define PMP_W 0x02
#define PMP_X 0x04
#define PMP_A 0x18
#define PMP_A_TOR 0x08
#define PMP_A_NA4 0x10
#define PMP_A_NAPOT 0x18
#define PMP_L 0x80
/* HSTATUS flags */
#ifdef CONFIG_64BIT
#define HSTATUS_HUPMM _AC(0x3000000000000, UL)
#define HSTATUS_HUPMM_PMLEN_0 _AC(0x0000000000000, UL)
#define HSTATUS_HUPMM_PMLEN_7 _AC(0x2000000000000, UL)
#define HSTATUS_HUPMM_PMLEN_16 _AC(0x3000000000000, UL)
#define HSTATUS_VSXL _AC(0x300000000, UL)
#define HSTATUS_VSXL_SHIFT 32
#endif
#define HSTATUS_VTSR _AC(0x00400000, UL)
#define HSTATUS_VTW _AC(0x00200000, UL)
#define HSTATUS_VTVM _AC(0x00100000, UL)
#define HSTATUS_VGEIN _AC(0x0003f000, UL)
#define HSTATUS_VGEIN_SHIFT 12
#define HSTATUS_HU _AC(0x00000200, UL)
#define HSTATUS_SPVP _AC(0x00000100, UL)
#define HSTATUS_SPV _AC(0x00000080, UL)
#define HSTATUS_GVA _AC(0x00000040, UL)
#define HSTATUS_VSBE _AC(0x00000020, UL)
/* HGATP flags */
#define HGATP_MODE_OFF _AC(0, UL)
#define HGATP_MODE_SV32X4 _AC(1, UL)
#define HGATP_MODE_SV39X4 _AC(8, UL)
#define HGATP_MODE_SV48X4 _AC(9, UL)
#define HGATP_MODE_SV57X4 _AC(10, UL)
#define HGATP32_MODE_SHIFT 31
#define HGATP32_VMID_SHIFT 22
#define HGATP32_VMID GENMASK(28, 22)
#define HGATP32_PPN GENMASK(21, 0)
#define HGATP64_MODE_SHIFT 60
#define HGATP64_VMID_SHIFT 44
#define HGATP64_VMID GENMASK(57, 44)
#define HGATP64_PPN GENMASK(43, 0)
#define HGATP_PAGE_SHIFT 12
#ifdef CONFIG_64BIT
#define HGATP_PPN HGATP64_PPN
#define HGATP_VMID_SHIFT HGATP64_VMID_SHIFT
#define HGATP_VMID HGATP64_VMID
#define HGATP_MODE_SHIFT HGATP64_MODE_SHIFT
#else
#define HGATP_PPN HGATP32_PPN
#define HGATP_VMID_SHIFT HGATP32_VMID_SHIFT
#define HGATP_VMID HGATP32_VMID
#define HGATP_MODE_SHIFT HGATP32_MODE_SHIFT
#endif
/* VSIP & HVIP relation */
#define VSIP_TO_HVIP_SHIFT (IRQ_VS_SOFT - IRQ_S_SOFT)
#define VSIP_VALID_MASK ((_AC(1, UL) << IRQ_S_SOFT) | \
(_AC(1, UL) << IRQ_S_TIMER) | \
(_AC(1, UL) << IRQ_S_EXT) | \
(_AC(1, UL) << IRQ_PMU_OVF))
/* AIA CSR bits */
#define TOPI_IID_SHIFT 16
#define TOPI_IID_MASK GENMASK(11, 0)
#define TOPI_IPRIO_MASK GENMASK(7, 0)
#define TOPI_IPRIO_BITS 8
#define TOPEI_ID_SHIFT 16
#define TOPEI_ID_MASK GENMASK(10, 0)
#define TOPEI_PRIO_MASK GENMASK(10, 0)
#define ISELECT_IPRIO0 0x30
#define ISELECT_IPRIO15 0x3f
#define ISELECT_MASK GENMASK(8, 0)
#define HVICTL_VTI BIT(30)
#define HVICTL_IID GENMASK(27, 16)
#define HVICTL_IID_SHIFT 16
#define HVICTL_DPR BIT(9)
#define HVICTL_IPRIOM BIT(8)
#define HVICTL_IPRIO GENMASK(7, 0)
/* xENVCFG flags */
#define ENVCFG_STCE (_AC(1, ULL) << 63)
#define ENVCFG_PBMTE (_AC(1, ULL) << 62)
#define ENVCFG_ADUE (_AC(1, ULL) << 61)
#define ENVCFG_PMM (_AC(0x3, ULL) << 32)
#define ENVCFG_PMM_PMLEN_0 (_AC(0x0, ULL) << 32)
#define ENVCFG_PMM_PMLEN_7 (_AC(0x2, ULL) << 32)
#define ENVCFG_PMM_PMLEN_16 (_AC(0x3, ULL) << 32)
#define ENVCFG_CBZE (_AC(1, UL) << 7)
#define ENVCFG_CBCFE (_AC(1, UL) << 6)
#define ENVCFG_CBIE_SHIFT 4
#define ENVCFG_CBIE (_AC(0x3, UL) << ENVCFG_CBIE_SHIFT)
#define ENVCFG_CBIE_ILL _AC(0x0, UL)
#define ENVCFG_CBIE_FLUSH _AC(0x1, UL)
#define ENVCFG_CBIE_INV _AC(0x3, UL)
#define ENVCFG_FIOM _AC(0x1, UL)
/* Smstateen bits */
#define SMSTATEEN0_AIA_IMSIC_SHIFT 58
#define SMSTATEEN0_AIA_IMSIC (_ULL(1) << SMSTATEEN0_AIA_IMSIC_SHIFT)
#define SMSTATEEN0_AIA_SHIFT 59
#define SMSTATEEN0_AIA (_ULL(1) << SMSTATEEN0_AIA_SHIFT)
#define SMSTATEEN0_AIA_ISEL_SHIFT 60
#define SMSTATEEN0_AIA_ISEL (_ULL(1) << SMSTATEEN0_AIA_ISEL_SHIFT)
#define SMSTATEEN0_HSENVCFG_SHIFT 62
#define SMSTATEEN0_HSENVCFG (_ULL(1) << SMSTATEEN0_HSENVCFG_SHIFT)
#define SMSTATEEN0_SSTATEEN0_SHIFT 63
#define SMSTATEEN0_SSTATEEN0 (_ULL(1) << SMSTATEEN0_SSTATEEN0_SHIFT)
/* mseccfg bits */
#define MSECCFG_PMM ENVCFG_PMM
#define MSECCFG_PMM_PMLEN_0 ENVCFG_PMM_PMLEN_0
#define MSECCFG_PMM_PMLEN_7 ENVCFG_PMM_PMLEN_7
#define MSECCFG_PMM_PMLEN_16 ENVCFG_PMM_PMLEN_16
/* symbolic CSR names: */
#define CSR_CYCLE 0xc00
#define CSR_TIME 0xc01
#define CSR_INSTRET 0xc02
#define CSR_HPMCOUNTER3 0xc03
#define CSR_HPMCOUNTER4 0xc04
#define CSR_HPMCOUNTER5 0xc05
#define CSR_HPMCOUNTER6 0xc06
#define CSR_HPMCOUNTER7 0xc07
#define CSR_HPMCOUNTER8 0xc08
#define CSR_HPMCOUNTER9 0xc09
#define CSR_HPMCOUNTER10 0xc0a
#define CSR_HPMCOUNTER11 0xc0b
#define CSR_HPMCOUNTER12 0xc0c
#define CSR_HPMCOUNTER13 0xc0d
#define CSR_HPMCOUNTER14 0xc0e
#define CSR_HPMCOUNTER15 0xc0f
#define CSR_HPMCOUNTER16 0xc10
#define CSR_HPMCOUNTER17 0xc11
#define CSR_HPMCOUNTER18 0xc12
#define CSR_HPMCOUNTER19 0xc13
#define CSR_HPMCOUNTER20 0xc14
#define CSR_HPMCOUNTER21 0xc15
#define CSR_HPMCOUNTER22 0xc16
#define CSR_HPMCOUNTER23 0xc17
#define CSR_HPMCOUNTER24 0xc18
#define CSR_HPMCOUNTER25 0xc19
#define CSR_HPMCOUNTER26 0xc1a
#define CSR_HPMCOUNTER27 0xc1b
#define CSR_HPMCOUNTER28 0xc1c
#define CSR_HPMCOUNTER29 0xc1d
#define CSR_HPMCOUNTER30 0xc1e
#define CSR_HPMCOUNTER31 0xc1f
#define CSR_CYCLEH 0xc80
#define CSR_TIMEH 0xc81
#define CSR_INSTRETH 0xc82
#define CSR_HPMCOUNTER3H 0xc83
#define CSR_HPMCOUNTER4H 0xc84
#define CSR_HPMCOUNTER5H 0xc85
#define CSR_HPMCOUNTER6H 0xc86
#define CSR_HPMCOUNTER7H 0xc87
#define CSR_HPMCOUNTER8H 0xc88
#define CSR_HPMCOUNTER9H 0xc89
#define CSR_HPMCOUNTER10H 0xc8a
#define CSR_HPMCOUNTER11H 0xc8b
#define CSR_HPMCOUNTER12H 0xc8c
#define CSR_HPMCOUNTER13H 0xc8d
#define CSR_HPMCOUNTER14H 0xc8e
#define CSR_HPMCOUNTER15H 0xc8f
#define CSR_HPMCOUNTER16H 0xc90
#define CSR_HPMCOUNTER17H 0xc91
#define CSR_HPMCOUNTER18H 0xc92
#define CSR_HPMCOUNTER19H 0xc93
#define CSR_HPMCOUNTER20H 0xc94
#define CSR_HPMCOUNTER21H 0xc95
#define CSR_HPMCOUNTER22H 0xc96
#define CSR_HPMCOUNTER23H 0xc97
#define CSR_HPMCOUNTER24H 0xc98
#define CSR_HPMCOUNTER25H 0xc99
#define CSR_HPMCOUNTER26H 0xc9a
#define CSR_HPMCOUNTER27H 0xc9b
#define CSR_HPMCOUNTER28H 0xc9c
#define CSR_HPMCOUNTER29H 0xc9d
#define CSR_HPMCOUNTER30H 0xc9e
#define CSR_HPMCOUNTER31H 0xc9f
#define CSR_SCOUNTOVF 0xda0
#define CSR_SSTATUS 0x100
#define CSR_SIE 0x104
#define CSR_STVEC 0x105
#define CSR_SCOUNTEREN 0x106
#define CSR_SENVCFG 0x10a
#define CSR_SSTATEEN0 0x10c
#define CSR_SSCRATCH 0x140
#define CSR_SEPC 0x141
#define CSR_SCAUSE 0x142
#define CSR_STVAL 0x143
#define CSR_SIP 0x144
#define CSR_SATP 0x180
#define CSR_STIMECMP 0x14D
#define CSR_STIMECMPH 0x15D
/* xtheadvector symbolic CSR names */
#define CSR_VXSAT 0x9
#define CSR_VXRM 0xa
/* xtheadvector CSR masks */
#define CSR_VXRM_MASK 3
#define CSR_VXRM_SHIFT 1
#define CSR_VXSAT_MASK 1
/* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
#define CSR_SISELECT 0x150
#define CSR_SIREG 0x151
/* Supervisor-Level Interrupts (AIA) */
#define CSR_STOPEI 0x15c
#define CSR_STOPI 0xdb0
/* Supervisor-Level High-Half CSRs (AIA) */
#define CSR_SIEH 0x114
#define CSR_SIPH 0x154
#define CSR_VSSTATUS 0x200
#define CSR_VSIE 0x204
#define CSR_VSTVEC 0x205
#define CSR_VSSCRATCH 0x240
#define CSR_VSEPC 0x241
#define CSR_VSCAUSE 0x242
#define CSR_VSTVAL 0x243
#define CSR_VSIP 0x244
#define CSR_VSATP 0x280
#define CSR_VSTIMECMP 0x24D
#define CSR_VSTIMECMPH 0x25D
#define CSR_HSTATUS 0x600
#define CSR_HEDELEG 0x602
#define CSR_HIDELEG 0x603
#define CSR_HIE 0x604
#define CSR_HTIMEDELTA 0x605
#define CSR_HCOUNTEREN 0x606
#define CSR_HGEIE 0x607
#define CSR_HENVCFG 0x60a
#define CSR_HTIMEDELTAH 0x615
#define CSR_HENVCFGH 0x61a
#define CSR_HTVAL 0x643
#define CSR_HIP 0x644
#define CSR_HVIP 0x645
#define CSR_HTINST 0x64a
#define CSR_HGATP 0x680
#define CSR_HGEIP 0xe12
/* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */
#define CSR_HVIEN 0x608
#define CSR_HVICTL 0x609
#define CSR_HVIPRIO1 0x646
#define CSR_HVIPRIO2 0x647
/* VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) */
#define CSR_VSISELECT 0x250
#define CSR_VSIREG 0x251
/* VS-Level Interrupts (H-extension with AIA) */
#define CSR_VSTOPEI 0x25c
#define CSR_VSTOPI 0xeb0
/* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */
#define CSR_HIDELEGH 0x613
#define CSR_HVIENH 0x618
#define CSR_HVIPH 0x655
#define CSR_HVIPRIO1H 0x656
#define CSR_HVIPRIO2H 0x657
#define CSR_VSIEH 0x214
#define CSR_VSIPH 0x254
/* Hypervisor stateen CSRs */
#define CSR_HSTATEEN0 0x60c
#define CSR_HSTATEEN0H 0x61c
#define CSR_MSTATUS 0x300
#define CSR_MISA 0x301
#define CSR_MIDELEG 0x303
#define CSR_MIE 0x304
#define CSR_MTVEC 0x305
#define CSR_MENVCFG 0x30a
#define CSR_MENVCFGH 0x31a
#define CSR_MSCRATCH 0x340
#define CSR_MEPC 0x341
#define CSR_MCAUSE 0x342
#define CSR_MTVAL 0x343
#define CSR_MIP 0x344
#define CSR_PMPCFG0 0x3a0
#define CSR_PMPADDR0 0x3b0
#define CSR_MSECCFG 0x747
#define CSR_MSECCFGH 0x757
#define CSR_MVENDORID 0xf11
#define CSR_MARCHID 0xf12
#define CSR_MIMPID 0xf13
#define CSR_MHARTID 0xf14
/* Machine-Level Window to Indirectly Accessed Registers (AIA) */
#define CSR_MISELECT 0x350
#define CSR_MIREG 0x351
/* Machine-Level Interrupts (AIA) */
#define CSR_MTOPEI 0x35c
#define CSR_MTOPI 0xfb0
/* Virtual Interrupts for Supervisor Level (AIA) */
#define CSR_MVIEN 0x308
#define CSR_MVIP 0x309
/* Machine-Level High-Half CSRs (AIA) */
#define CSR_MIDELEGH 0x313
#define CSR_MIEH 0x314
#define CSR_MVIENH 0x318
#define CSR_MVIPH 0x319
#define CSR_MIPH 0x354
#define CSR_VSTART 0x8
#define CSR_VCSR 0xf
#define CSR_VL 0xc20
#define CSR_VTYPE 0xc21
#define CSR_VLENB 0xc22
/* Scalar Crypto Extension - Entropy */
#define CSR_SEED 0x015
#define SEED_OPST_MASK _AC(0xC0000000, UL)
#define SEED_OPST_BIST _AC(0x00000000, UL)
#define SEED_OPST_WAIT _AC(0x40000000, UL)
#define SEED_OPST_ES16 _AC(0x80000000, UL)
#define SEED_OPST_DEAD _AC(0xC0000000, UL)
#define SEED_ENTROPY_MASK _AC(0xFFFF, UL)
#ifdef CONFIG_RISCV_M_MODE
# define CSR_STATUS CSR_MSTATUS
# define CSR_IE CSR_MIE
# define CSR_TVEC CSR_MTVEC
# define CSR_ENVCFG CSR_MENVCFG
# define CSR_SCRATCH CSR_MSCRATCH
# define CSR_EPC CSR_MEPC
# define CSR_CAUSE CSR_MCAUSE
# define CSR_TVAL CSR_MTVAL
# define CSR_IP CSR_MIP
# define CSR_IEH CSR_MIEH
# define CSR_ISELECT CSR_MISELECT
# define CSR_IREG CSR_MIREG
# define CSR_IPH CSR_MIPH
# define CSR_TOPEI CSR_MTOPEI
# define CSR_TOPI CSR_MTOPI
# define SR_IE SR_MIE
# define SR_PIE SR_MPIE
# define SR_PP SR_MPP
# define RV_IRQ_SOFT IRQ_M_SOFT
# define RV_IRQ_TIMER IRQ_M_TIMER
# define RV_IRQ_EXT IRQ_M_EXT
#else /* CONFIG_RISCV_M_MODE */
# define CSR_STATUS CSR_SSTATUS
# define CSR_IE CSR_SIE
# define CSR_TVEC CSR_STVEC
# define CSR_ENVCFG CSR_SENVCFG
# define CSR_SCRATCH CSR_SSCRATCH
# define CSR_EPC CSR_SEPC
# define CSR_CAUSE CSR_SCAUSE
# define CSR_TVAL CSR_STVAL
# define CSR_IP CSR_SIP
# define CSR_IEH CSR_SIEH
# define CSR_ISELECT CSR_SISELECT
# define CSR_IREG CSR_SIREG
# define CSR_IPH CSR_SIPH
# define CSR_TOPEI CSR_STOPEI
# define CSR_TOPI CSR_STOPI
# define SR_IE SR_SIE
# define SR_PIE SR_SPIE
# define SR_PP SR_SPP
# define RV_IRQ_SOFT IRQ_S_SOFT
# define RV_IRQ_TIMER IRQ_S_TIMER
# define RV_IRQ_EXT IRQ_S_EXT
# define RV_IRQ_PMU IRQ_PMU_OVF
# define SIP_LCOFIP (_AC(0x1, UL) << IRQ_PMU_OVF)
#endif /* !CONFIG_RISCV_M_MODE */
/* IE/IP (Supervisor/Machine Interrupt Enable/Pending) flags */
#define IE_SIE (_AC(0x1, UL) << RV_IRQ_SOFT)
#define IE_TIE (_AC(0x1, UL) << RV_IRQ_TIMER)
#define IE_EIE (_AC(0x1, UL) << RV_IRQ_EXT)
#ifndef __ASSEMBLY__
#define csr_swap(csr, val) \
({ \
unsigned long __v = (unsigned long)(val); \
__asm__ __volatile__ ("csrrw %0, " __ASM_STR(csr) ", %1"\
: "=r" (__v) : "rK" (__v) \
: "memory"); \
__v; \
})
#define csr_read(csr) \
({ \
register unsigned long __v; \
__asm__ __volatile__ ("csrr %0, " __ASM_STR(csr) \
: "=r" (__v) : \
: "memory"); \
__v; \
})
#define csr_write(csr, val) \
({ \
unsigned long __v = (unsigned long)(val); \
__asm__ __volatile__ ("csrw " __ASM_STR(csr) ", %0" \
: : "rK" (__v) \
: "memory"); \
})
#define csr_read_set(csr, val) \
({ \
unsigned long __v = (unsigned long)(val); \
__asm__ __volatile__ ("csrrs %0, " __ASM_STR(csr) ", %1"\
: "=r" (__v) : "rK" (__v) \
: "memory"); \
__v; \
})
#define csr_set(csr, val) \
({ \
unsigned long __v = (unsigned long)(val); \
__asm__ __volatile__ ("csrs " __ASM_STR(csr) ", %0" \
: : "rK" (__v) \
: "memory"); \
})
#define csr_read_clear(csr, val) \
({ \
unsigned long __v = (unsigned long)(val); \
__asm__ __volatile__ ("csrrc %0, " __ASM_STR(csr) ", %1"\
: "=r" (__v) : "rK" (__v) \
: "memory"); \
__v; \
})
#define csr_clear(csr, val) \
({ \
unsigned long __v = (unsigned long)(val); \
__asm__ __volatile__ ("csrc " __ASM_STR(csr) ", %0" \
: : "rK" (__v) \
: "memory"); \
})
#endif /* __ASSEMBLY__ */
#endif /* _ASM_RISCV_CSR_H */
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| vdso | Folder | 0755 |
|
|
| vendor_extensions | Folder | 0755 |
|
|
| Kbuild | File | 453 B | 0644 |
|
| acenv.h | File | 243 B | 0644 |
|
| acpi.h | File | 2.49 KB | 0644 |
|
| alternative-macros.h | File | 5 KB | 0644 |
|
| alternative.h | File | 2.33 KB | 0644 |
|
| arch_hweight.h | File | 1.55 KB | 0644 |
|
| archrandom.h | File | 1.5 KB | 0644 |
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| asm-extable.h | File | 2.27 KB | 0644 |
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| asm-offsets.h | File | 35 B | 0644 |
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| asm-prototypes.h | File | 2.09 KB | 0644 |
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| asm.h | File | 4.01 KB | 0644 |
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| assembler.h | File | 2.23 KB | 0644 |
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| atomic.h | File | 10.25 KB | 0644 |
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| barrier.h | File | 2.8 KB | 0644 |
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| bitops.h | File | 9.8 KB | 0644 |
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| bug.h | File | 2.13 KB | 0644 |
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| bugs.h | File | 463 B | 0644 |
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| cache.h | File | 897 B | 0644 |
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| cacheflush.h | File | 2.67 KB | 0644 |
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| cacheinfo.h | File | 511 B | 0644 |
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| cfi.h | File | 810 B | 0644 |
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| checksum.h | File | 2.48 KB | 0644 |
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| clint.h | File | 797 B | 0644 |
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| clocksource.h | File | 136 B | 0644 |
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| cmpxchg.h | File | 11.44 KB | 0644 |
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| compat.h | File | 4.05 KB | 0644 |
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| cpu.h | File | 172 B | 0644 |
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| cpu_ops.h | File | 971 B | 0644 |
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| cpu_ops_sbi.h | File | 609 B | 0644 |
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| cpufeature-macros.h | File | 1.67 KB | 0644 |
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| cpufeature.h | File | 4.38 KB | 0644 |
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| cpuidle.h | File | 450 B | 0644 |
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| crash_reserve.h | File | 291 B | 0644 |
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| csr.h | File | 16.32 KB | 0644 |
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| current.h | File | 1001 B | 0644 |
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| delay.h | File | 471 B | 0644 |
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| dma-noncoherent.h | File | 835 B | 0644 |
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| dmi.h | File | 640 B | 0644 |
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| efi.h | File | 1.18 KB | 0644 |
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| elf.h | File | 4.64 KB | 0644 |
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| entry-common.h | File | 1.04 KB | 0644 |
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| errata_list.h | File | 3.7 KB | 0644 |
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| exec.h | File | 172 B | 0644 |
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| extable.h | File | 1.46 KB | 0644 |
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| fence.h | File | 564 B | 0644 |
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| fixmap.h | File | 1.75 KB | 0644 |
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| fpu.h | File | 291 B | 0644 |
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| ftrace.h | File | 6.12 KB | 0644 |
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| futex.h | File | 2.42 KB | 0644 |
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| gdb_xml.h | File | 5.47 KB | 0644 |
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| gpr-num.h | File | 2.37 KB | 0644 |
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| hugetlb.h | File | 1.76 KB | 0644 |
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| hwcap.h | File | 3.58 KB | 0644 |
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| hwprobe.h | File | 913 B | 0644 |
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| image.h | File | 1.63 KB | 0644 |
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| insn-def.h | File | 5.72 KB | 0644 |
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| insn.h | File | 15.29 KB | 0644 |
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| io.h | File | 5.19 KB | 0644 |
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| irq.h | File | 2.09 KB | 0644 |
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| irq_stack.h | File | 843 B | 0644 |
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| irq_work.h | File | 225 B | 0644 |
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| irqflags.h | File | 1.12 KB | 0644 |
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| jump_label.h | File | 1.6 KB | 0644 |
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| kasan.h | File | 1.55 KB | 0644 |
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| kdebug.h | File | 158 B | 0644 |
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| kexec.h | File | 1.84 KB | 0644 |
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| kfence.h | File | 674 B | 0644 |
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| kgdb.h | File | 2.44 KB | 0644 |
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| kprobes.h | File | 1.19 KB | 0644 |
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| kvm_aia.h | File | 5.42 KB | 0644 |
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| kvm_host.h | File | 11.56 KB | 0644 |
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| kvm_nacl.h | File | 7.52 KB | 0644 |
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| kvm_types.h | File | 184 B | 0644 |
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| kvm_vcpu_fp.h | File | 1.69 KB | 0644 |
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| kvm_vcpu_insn.h | File | 1.21 KB | 0644 |
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| kvm_vcpu_pmu.h | File | 4.52 KB | 0644 |
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| kvm_vcpu_sbi.h | File | 3.3 KB | 0644 |
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| kvm_vcpu_timer.h | File | 1.56 KB | 0644 |
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| kvm_vcpu_vector.h | File | 2.12 KB | 0644 |
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| linkage.h | File | 267 B | 0644 |
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| membarrier.h | File | 1.73 KB | 0644 |
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| mmio.h | File | 5.17 KB | 0644 |
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| mmiowb.h | File | 365 B | 0644 |
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| mmu.h | File | 1.05 KB | 0644 |
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| mmu_context.h | File | 1.2 KB | 0644 |
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| module.h | File | 3.3 KB | 0644 |
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| module.lds.h | File | 207 B | 0644 |
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| numa.h | File | 165 B | 0644 |
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| page.h | File | 5.95 KB | 0644 |
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| paravirt.h | File | 610 B | 0644 |
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| paravirt_api_clock.h | File | 26 B | 0644 |
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| pci.h | File | 728 B | 0644 |
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| perf_event.h | File | 575 B | 0644 |
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| pgalloc.h | File | 3.83 KB | 0644 |
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| pgtable-32.h | File | 1.07 KB | 0644 |
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| pgtable-64.h | File | 9.69 KB | 0644 |
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| pgtable-bits.h | File | 1.32 KB | 0644 |
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| pgtable.h | File | 25.35 KB | 0644 |
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| probes.h | File | 563 B | 0644 |
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| processor.h | File | 6.31 KB | 0644 |
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| ptrace.h | File | 4.3 KB | 0644 |
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| sbi.h | File | 15.98 KB | 0644 |
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| scs.h | File | 1.08 KB | 0644 |
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| seccomp.h | File | 504 B | 0644 |
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| sections.h | File | 883 B | 0644 |
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| semihost.h | File | 596 B | 0644 |
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| set_memory.h | File | 2.03 KB | 0644 |
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| signal32.h | File | 358 B | 0644 |
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| simd.h | File | 1.73 KB | 0644 |
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| smp.h | File | 2.51 KB | 0644 |
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| soc.h | File | 627 B | 0644 |
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| sparsemem.h | File | 331 B | 0644 |
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| spinlock.h | File | 1.27 KB | 0644 |
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| stackprotector.h | File | 589 B | 0644 |
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| stacktrace.h | File | 774 B | 0644 |
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| string.h | File | 1.4 KB | 0644 |
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| suspend.h | File | 1.81 KB | 0644 |
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| switch_to.h | File | 3.32 KB | 0644 |
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| sync_core.h | File | 689 B | 0644 |
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| syscall.h | File | 2.48 KB | 0644 |
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| syscall_table.h | File | 137 B | 0644 |
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| syscall_wrapper.h | File | 3.96 KB | 0644 |
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| text-patching.h | File | 449 B | 0644 |
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| thread_info.h | File | 3.97 KB | 0644 |
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| timex.h | File | 1.79 KB | 0644 |
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| tlb.h | File | 582 B | 0644 |
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| tlbbatch.h | File | 273 B | 0644 |
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| tlbflush.h | File | 2.15 KB | 0644 |
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| topology.h | File | 822 B | 0644 |
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| trace.h | File | 1.03 KB | 0644 |
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| uaccess.h | File | 10.62 KB | 0644 |
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| unistd.h | File | 719 B | 0644 |
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| uprobes.h | File | 1.04 KB | 0644 |
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| vdso.h | File | 965 B | 0644 |
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| vector.h | File | 11.37 KB | 0644 |
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| vendor_extensions.h | File | 3.17 KB | 0644 |
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| vendorid_list.h | File | 268 B | 0644 |
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| vermagic.h | File | 213 B | 0644 |
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| vmalloc.h | File | 574 B | 0644 |
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| word-at-a-time.h | File | 1.72 KB | 0644 |
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| xip_fixup.h | File | 1.45 KB | 0644 |
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| xor.h | File | 1.65 KB | 0644 |
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