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    Subject[v5 2/9] RISC-V: Add CSR encodings for all HPMCOUNTERS
    Date
    From: Atish Patra <atish.patra@wdc.com>

    Linux kernel can directly read these counters as the HPMCOUNTERS CSRs are
    accessible in S-mode.

    Signed-off-by: Atish Patra <atish.patra@wdc.com>
    Signed-off-by: Atish Patra <atishp@rivosinc.com>
    ---
    arch/riscv/include/asm/csr.h | 58 ++++++++++++++++++++++++++++++++++++
    1 file changed, 58 insertions(+)

    diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
    index 87ac65696871..e4d369830af4 100644
    --- a/arch/riscv/include/asm/csr.h
    +++ b/arch/riscv/include/asm/csr.h
    @@ -89,9 +89,67 @@
    #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_SSTATUS 0x100
    #define CSR_SIE 0x104
    --
    2.33.1
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      Last update: 2021-12-25 06:43    [W:5.004 / U:0.004 seconds]
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