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unicorn/qemu/target/riscv/cpu_bits.h
Alistair Francis ab7c1570d8 target/riscv: Add the force HS exception mode 
Add a FORCE_HS_EXCEP mode to the RISC-V virtulisation status. This bit
specifies if an exeption should be taken to HS mode no matter the
current delegation status. This is used when an exeption must be taken
to HS mode, such as when handling interrupts.

Backports commit c7b1bbc80fc2af17395d3986c346fd2307e57829 from qemu
2020-03-22 01:16:55 -04:00

559 lines
18 KiB
C
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/* RISC-V ISA constants */
#ifndef TARGET_RISCV_CPU_BITS_H
#define TARGET_RISCV_CPU_BITS_H
#define get_field(reg, mask) (((reg) & \
(target_ulong)(mask)) / ((mask) & ~((mask) << 1)))
#define set_field(reg, mask, val) (((reg) & ~(target_ulong)(mask)) | \
(((target_ulong)(val) * ((mask) & ~((mask) << 1))) & \
(target_ulong)(mask)))
/* Floating point round mode */
#define FSR_RD_SHIFT 5
#define FSR_RD (0x7 << FSR_RD_SHIFT)
/* Floating point accrued exception flags */
#define FPEXC_NX 0x01
#define FPEXC_UF 0x02
#define FPEXC_OF 0x04
#define FPEXC_DZ 0x08
#define FPEXC_NV 0x10
/* Floating point status register bits */
#define FSR_AEXC_SHIFT 0
#define FSR_NVA (FPEXC_NV << FSR_AEXC_SHIFT)
#define FSR_OFA (FPEXC_OF << FSR_AEXC_SHIFT)
#define FSR_UFA (FPEXC_UF << FSR_AEXC_SHIFT)
#define FSR_DZA (FPEXC_DZ << FSR_AEXC_SHIFT)
#define FSR_NXA (FPEXC_NX << FSR_AEXC_SHIFT)
#define FSR_AEXC (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
/* Control and Status Registers */
/* User Trap Setup */
#define CSR_USTATUS 0x000
#define CSR_UIE 0x004
#define CSR_UTVEC 0x005
/* User Trap Handling */
#define CSR_USCRATCH 0x040
#define CSR_UEPC 0x041
#define CSR_UCAUSE 0x042
#define CSR_UTVAL 0x043
#define CSR_UIP 0x044
/* User Floating-Point CSRs */
#define CSR_FFLAGS 0x001
#define CSR_FRM 0x002
#define CSR_FCSR 0x003
/* User Timers and Counters */
#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
/* Machine Timers and Counters */
#define CSR_MCYCLE 0xb00
#define CSR_MINSTRET 0xb02
#define CSR_MCYCLEH 0xb80
#define CSR_MINSTRETH 0xb82
/* Machine Information Registers */
#define CSR_MVENDORID 0xf11
#define CSR_MARCHID 0xf12
#define CSR_MIMPID 0xf13
#define CSR_MHARTID 0xf14
/* Machine Trap Setup */
#define CSR_MSTATUS 0x300
#define CSR_MISA 0x301
#define CSR_MEDELEG 0x302
#define CSR_MIDELEG 0x303
#define CSR_MIE 0x304
#define CSR_MTVEC 0x305
#define CSR_MCOUNTEREN 0x306
/* Legacy Counter Setup (priv v1.9.1) */
/* Update to #define CSR_MCOUNTINHIBIT 0x320 for 1.11.0 */
#define CSR_MUCOUNTEREN 0x320
#define CSR_MSCOUNTEREN 0x321
#define CSR_MHCOUNTEREN 0x322
/* Machine Trap Handling */
#define CSR_MSCRATCH 0x340
#define CSR_MEPC 0x341
#define CSR_MCAUSE 0x342
#define CSR_MTVAL 0x343
#define CSR_MIP 0x344
/* Legacy Machine Trap Handling (priv v1.9.1) */
#define CSR_MBADADDR 0x343
/* Supervisor Trap Setup */
#define CSR_SSTATUS 0x100
#define CSR_SEDELEG 0x102
#define CSR_SIDELEG 0x103
#define CSR_SIE 0x104
#define CSR_STVEC 0x105
#define CSR_SCOUNTEREN 0x106
/* Supervisor Trap Handling */
#define CSR_SSCRATCH 0x140
#define CSR_SEPC 0x141
#define CSR_SCAUSE 0x142
#define CSR_STVAL 0x143
#define CSR_SIP 0x144
/* Legacy Supervisor Trap Handling (priv v1.9.1) */
#define CSR_SBADADDR 0x143
/* Supervisor Protection and Translation */
#define CSR_SPTBR 0x180
#define CSR_SATP 0x180
/* Virtual CSRs */
#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_MTINST 0x34a
#define CSR_MTVAL2 0x34b
/* Physical Memory Protection */
#define CSR_PMPCFG0 0x3a0
#define CSR_PMPCFG1 0x3a1
#define CSR_PMPCFG2 0x3a2
#define CSR_PMPCFG3 0x3a3
#define CSR_PMPADDR0 0x3b0
#define CSR_PMPADDR1 0x3b1
#define CSR_PMPADDR2 0x3b2
#define CSR_PMPADDR3 0x3b3
#define CSR_PMPADDR4 0x3b4
#define CSR_PMPADDR5 0x3b5
#define CSR_PMPADDR6 0x3b6
#define CSR_PMPADDR7 0x3b7
#define CSR_PMPADDR8 0x3b8
#define CSR_PMPADDR9 0x3b9
#define CSR_PMPADDR10 0x3ba
#define CSR_PMPADDR11 0x3bb
#define CSR_PMPADDR12 0x3bc
#define CSR_PMPADDR13 0x3bd
#define CSR_PMPADDR14 0x3be
#define CSR_PMPADDR15 0x3bf
/* Debug/Trace Registers (shared with Debug Mode) */
#define CSR_TSELECT 0x7a0
#define CSR_TDATA1 0x7a1
#define CSR_TDATA2 0x7a2
#define CSR_TDATA3 0x7a3
/* Debug Mode Registers */
#define CSR_DCSR 0x7b0
#define CSR_DPC 0x7b1
#define CSR_DSCRATCH 0x7b2
/* Hypervisor CSRs */
#define CSR_HSTATUS 0x600
#define CSR_HEDELEG 0x602
#define CSR_HIDELEG 0x603
#define CSR_HIE 0x604
#define CSR_HCOUNTEREN 0x606
#define CSR_HTVAL 0x643
#define CSR_HIP 0x644
#define CSR_HTINST 0x64A
#define CSR_HGATP 0x680
#define CSR_HTIMEDELTA 0x605
#define CSR_HTIMEDELTAH 0x615
#if defined(TARGET_RISCV32)
#define HGATP_MODE SATP32_MODE
#define HGATP_ASID SATP32_ASID
#define HGATP_PPN SATP32_PPN
#endif
#if defined(TARGET_RISCV64)
#define HGATP_MODE SATP64_MODE
#define HGATP_ASID SATP64_ASID
#define HGATP_PPN SATP64_PPN
#endif
/* Performance Counters */
#define CSR_MHPMCOUNTER3 0xb03
#define CSR_MHPMCOUNTER4 0xb04
#define CSR_MHPMCOUNTER5 0xb05
#define CSR_MHPMCOUNTER6 0xb06
#define CSR_MHPMCOUNTER7 0xb07
#define CSR_MHPMCOUNTER8 0xb08
#define CSR_MHPMCOUNTER9 0xb09
#define CSR_MHPMCOUNTER10 0xb0a
#define CSR_MHPMCOUNTER11 0xb0b
#define CSR_MHPMCOUNTER12 0xb0c
#define CSR_MHPMCOUNTER13 0xb0d
#define CSR_MHPMCOUNTER14 0xb0e
#define CSR_MHPMCOUNTER15 0xb0f
#define CSR_MHPMCOUNTER16 0xb10
#define CSR_MHPMCOUNTER17 0xb11
#define CSR_MHPMCOUNTER18 0xb12
#define CSR_MHPMCOUNTER19 0xb13
#define CSR_MHPMCOUNTER20 0xb14
#define CSR_MHPMCOUNTER21 0xb15
#define CSR_MHPMCOUNTER22 0xb16
#define CSR_MHPMCOUNTER23 0xb17
#define CSR_MHPMCOUNTER24 0xb18
#define CSR_MHPMCOUNTER25 0xb19
#define CSR_MHPMCOUNTER26 0xb1a
#define CSR_MHPMCOUNTER27 0xb1b
#define CSR_MHPMCOUNTER28 0xb1c
#define CSR_MHPMCOUNTER29 0xb1d
#define CSR_MHPMCOUNTER30 0xb1e
#define CSR_MHPMCOUNTER31 0xb1f
#define CSR_MHPMEVENT3 0x323
#define CSR_MHPMEVENT4 0x324
#define CSR_MHPMEVENT5 0x325
#define CSR_MHPMEVENT6 0x326
#define CSR_MHPMEVENT7 0x327
#define CSR_MHPMEVENT8 0x328
#define CSR_MHPMEVENT9 0x329
#define CSR_MHPMEVENT10 0x32a
#define CSR_MHPMEVENT11 0x32b
#define CSR_MHPMEVENT12 0x32c
#define CSR_MHPMEVENT13 0x32d
#define CSR_MHPMEVENT14 0x32e
#define CSR_MHPMEVENT15 0x32f
#define CSR_MHPMEVENT16 0x330
#define CSR_MHPMEVENT17 0x331
#define CSR_MHPMEVENT18 0x332
#define CSR_MHPMEVENT19 0x333
#define CSR_MHPMEVENT20 0x334
#define CSR_MHPMEVENT21 0x335
#define CSR_MHPMEVENT22 0x336
#define CSR_MHPMEVENT23 0x337
#define CSR_MHPMEVENT24 0x338
#define CSR_MHPMEVENT25 0x339
#define CSR_MHPMEVENT26 0x33a
#define CSR_MHPMEVENT27 0x33b
#define CSR_MHPMEVENT28 0x33c
#define CSR_MHPMEVENT29 0x33d
#define CSR_MHPMEVENT30 0x33e
#define CSR_MHPMEVENT31 0x33f
#define CSR_MHPMCOUNTER3H 0xb83
#define CSR_MHPMCOUNTER4H 0xb84
#define CSR_MHPMCOUNTER5H 0xb85
#define CSR_MHPMCOUNTER6H 0xb86
#define CSR_MHPMCOUNTER7H 0xb87
#define CSR_MHPMCOUNTER8H 0xb88
#define CSR_MHPMCOUNTER9H 0xb89
#define CSR_MHPMCOUNTER10H 0xb8a
#define CSR_MHPMCOUNTER11H 0xb8b
#define CSR_MHPMCOUNTER12H 0xb8c
#define CSR_MHPMCOUNTER13H 0xb8d
#define CSR_MHPMCOUNTER14H 0xb8e
#define CSR_MHPMCOUNTER15H 0xb8f
#define CSR_MHPMCOUNTER16H 0xb90
#define CSR_MHPMCOUNTER17H 0xb91
#define CSR_MHPMCOUNTER18H 0xb92
#define CSR_MHPMCOUNTER19H 0xb93
#define CSR_MHPMCOUNTER20H 0xb94
#define CSR_MHPMCOUNTER21H 0xb95
#define CSR_MHPMCOUNTER22H 0xb96
#define CSR_MHPMCOUNTER23H 0xb97
#define CSR_MHPMCOUNTER24H 0xb98
#define CSR_MHPMCOUNTER25H 0xb99
#define CSR_MHPMCOUNTER26H 0xb9a
#define CSR_MHPMCOUNTER27H 0xb9b
#define CSR_MHPMCOUNTER28H 0xb9c
#define CSR_MHPMCOUNTER29H 0xb9d
#define CSR_MHPMCOUNTER30H 0xb9e
#define CSR_MHPMCOUNTER31H 0xb9f
/* Legacy Machine Protection and Translation (priv v1.9.1) */
#define CSR_MBASE 0x380
#define CSR_MBOUND 0x381
#define CSR_MIBASE 0x382
#define CSR_MIBOUND 0x383
#define CSR_MDBASE 0x384
#define CSR_MDBOUND 0x385
/* mstatus CSR bits */
#define MSTATUS_UIE 0x00000001
#define MSTATUS_SIE 0x00000002
#define MSTATUS_MIE 0x00000008
#define MSTATUS_UPIE 0x00000010
#define MSTATUS_SPIE 0x00000020
#define MSTATUS_MPIE 0x00000080
#define MSTATUS_SPP 0x00000100
#define MSTATUS_MPP 0x00001800
#define MSTATUS_FS 0x00006000
#define MSTATUS_XS 0x00018000
#define MSTATUS_MPRV 0x00020000
#define MSTATUS_PUM 0x00040000 /* until: priv-1.9.1 */
#define MSTATUS_SUM 0x00040000 /* since: priv-1.10 */
#define MSTATUS_MXR 0x00080000
#define MSTATUS_VM 0x1F000000 /* until: priv-1.9.1 */
#define MSTATUS_TVM 0x00100000 /* since: priv-1.10 */
#define MSTATUS_TW 0x20000000 /* since: priv-1.10 */
#define MSTATUS_TSR 0x40000000 /* since: priv-1.10 */
#define MSTATUS_MTL 0x4000000000ULL
#define MSTATUS_MPV 0x8000000000ULL
#define MSTATUS64_UXL 0x0000000300000000ULL
#define MSTATUS64_SXL 0x0000000C00000000ULL
#define MSTATUS32_SD 0x80000000
#define MSTATUS64_SD 0x8000000000000000ULL
#define MISA32_MXL 0xC0000000
#define MISA64_MXL 0xC000000000000000ULL
#define MXL_RV32 1
#define MXL_RV64 2
#define MXL_RV128 3
#if defined(TARGET_RISCV32)
#define MSTATUS_SD MSTATUS32_SD
#define MISA_MXL MISA32_MXL
#define MXL_VAL MXL_RV32
#elif defined(TARGET_RISCV64)
#define MSTATUS_SD MSTATUS64_SD
#define MISA_MXL MISA64_MXL
#define MXL_VAL MXL_RV64
#endif
/* sstatus CSR bits */
#define SSTATUS_UIE 0x00000001
#define SSTATUS_SIE 0x00000002
#define SSTATUS_UPIE 0x00000010
#define SSTATUS_SPIE 0x00000020
#define SSTATUS_SPP 0x00000100
#define SSTATUS_FS 0x00006000
#define SSTATUS_XS 0x00018000
#define SSTATUS_PUM 0x00040000 /* until: priv-1.9.1 */
#define SSTATUS_SUM 0x00040000 /* since: priv-1.10 */
#define SSTATUS_MXR 0x00080000
#define SSTATUS32_SD 0x80000000
#define SSTATUS64_SD 0x8000000000000000ULL
#if defined(TARGET_RISCV32)
#define SSTATUS_SD SSTATUS32_SD
#elif defined(TARGET_RISCV64)
#define SSTATUS_SD SSTATUS64_SD
#endif
/* hstatus CSR bits */
#define HSTATUS_SPRV 0x00000001
#define HSTATUS_STL 0x00000040
#define HSTATUS_SPV 0x00000080
#define HSTATUS_SP2P 0x00000100
#define HSTATUS_SP2V 0x00000200
#define HSTATUS_VTVM 0x00100000
#define HSTATUS_VTSR 0x00400000
#define HSTATUS32_WPRI 0xFF8FF87E
#define HSTATUS64_WPRI 0xFFFFFFFFFF8FF87EULL
#if defined(TARGET_RISCV32)
#define HSTATUS_WPRI HSTATUS32_WPRI
#elif defined(TARGET_RISCV64)
#define HSTATUS_WPRI HSTATUS64_WPRI
#endif
/* Privilege modes */
#define PRV_U 0
#define PRV_S 1
#define PRV_H 2 /* Reserved */
#define PRV_M 3
/* Virtulisation Register Fields */
#define VIRT_ONOFF 1
/* This is used to save state for when we take an exception. If this is set
* that means that we want to force a HS level exception (no matter what the
* delegation is set to). This will occur for things such as a second level
* page table fault.
*/
#define FORCE_HS_EXCEP 2
/* RV32 satp CSR field masks */
#define SATP32_MODE 0x80000000
#define SATP32_ASID 0x7fc00000
#define SATP32_PPN 0x003fffff
/* RV64 satp CSR field masks */
#define SATP64_MODE 0xF000000000000000ULL
#define SATP64_ASID 0x0FFFF00000000000ULL
#define SATP64_PPN 0x00000FFFFFFFFFFFULL
#if defined(TARGET_RISCV32)
#define SATP_MODE SATP32_MODE
#define SATP_ASID SATP32_ASID
#define SATP_PPN SATP32_PPN
#endif
#if defined(TARGET_RISCV64)
#define SATP_MODE SATP64_MODE
#define SATP_ASID SATP64_ASID
#define SATP_PPN SATP64_PPN
#endif
/* VM modes (mstatus.vm) privileged ISA 1.9.1 */
#define VM_1_09_MBARE 0
#define VM_1_09_MBB 1
#define VM_1_09_MBBID 2
#define VM_1_09_SV32 8
#define VM_1_09_SV39 9
#define VM_1_09_SV48 10
/* VM modes (satp.mode) privileged ISA 1.10 */
#define VM_1_10_MBARE 0
#define VM_1_10_SV32 1
#define VM_1_10_SV39 8
#define VM_1_10_SV48 9
#define VM_1_10_SV57 10
#define VM_1_10_SV64 11
/* Page table entry (PTE) fields */
#define PTE_V 0x001 /* Valid */
#define PTE_R 0x002 /* Read */
#define PTE_W 0x004 /* Write */
#define PTE_X 0x008 /* Execute */
#define PTE_U 0x010 /* User */
#define PTE_G 0x020 /* Global */
#define PTE_A 0x040 /* Accessed */
#define PTE_D 0x080 /* Dirty */
#define PTE_SOFT 0x300 /* Reserved for Software */
/* Page table PPN shift amount */
#define PTE_PPN_SHIFT 10
/* Leaf page shift amount */
#define PGSHIFT 12
/* Default Reset Vector adress */
#define DEFAULT_RSTVEC 0x1000
/* Exception causes */
#define EXCP_NONE -1 /* sentinel value */
#define RISCV_EXCP_INST_ADDR_MIS 0x0
#define RISCV_EXCP_INST_ACCESS_FAULT 0x1
#define RISCV_EXCP_ILLEGAL_INST 0x2
#define RISCV_EXCP_BREAKPOINT 0x3
#define RISCV_EXCP_LOAD_ADDR_MIS 0x4
#define RISCV_EXCP_LOAD_ACCESS_FAULT 0x5
#define RISCV_EXCP_STORE_AMO_ADDR_MIS 0x6
#define RISCV_EXCP_STORE_AMO_ACCESS_FAULT 0x7
#define RISCV_EXCP_U_ECALL 0x8
#define RISCV_EXCP_S_ECALL 0x9
#define RISCV_EXCP_VS_ECALL 0xa
#define RISCV_EXCP_M_ECALL 0xb
#define RISCV_EXCP_INST_PAGE_FAULT 0xc /* since: priv-1.10.0 */
#define RISCV_EXCP_LOAD_PAGE_FAULT 0xd /* since: priv-1.10.0 */
#define RISCV_EXCP_STORE_PAGE_FAULT 0xf /* since: priv-1.10.0 */
#define RISCV_EXCP_INST_GUEST_PAGE_FAULT 0x14
#define RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT 0x15
#define RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT 0x17
#define RISCV_EXCP_INT_FLAG 0x80000000
#define RISCV_EXCP_INT_MASK 0x7fffffff
/* Interrupt causes */
#define IRQ_U_SOFT 0
#define IRQ_S_SOFT 1
#define IRQ_VS_SOFT 2 /* reserved */
#define IRQ_M_SOFT 3
#define IRQ_U_TIMER 4
#define IRQ_S_TIMER 5
#define IRQ_VS_TIMER 6 /* reserved */
#define IRQ_M_TIMER 7
#define IRQ_U_EXT 8
#define IRQ_S_EXT 9
#define IRQ_VS_EXT 10 /* reserved */
#define IRQ_M_EXT 11
/* mip masks */
#define MIP_USIP (1 << IRQ_U_SOFT)
#define MIP_SSIP (1 << IRQ_S_SOFT)
#define MIP_VSSIP (1 << IRQ_VS_SOFT)
#define MIP_MSIP (1 << IRQ_M_SOFT)
#define MIP_UTIP (1 << IRQ_U_TIMER)
#define MIP_STIP (1 << IRQ_S_TIMER)
#define MIP_VSTIP (1 << IRQ_VS_TIMER)
#define MIP_MTIP (1 << IRQ_M_TIMER)
#define MIP_UEIP (1 << IRQ_U_EXT)
#define MIP_SEIP (1 << IRQ_S_EXT)
#define MIP_VSEIP (1 << IRQ_VS_EXT)
#define MIP_MEIP (1 << IRQ_M_EXT)
/* sip masks */
#define SIP_SSIP MIP_SSIP
#define SIP_STIP MIP_STIP
#define SIP_SEIP MIP_SEIP
#endif
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