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lib: sbi: Use csr_read/write_num to read/update PMU counters

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Currently, csr_read/write_num functions are used to read/write PMP related
CSRs where CSR value is decided at runtime. Expand this function to include
PMU related CSRs as well.

Reviewed-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Atish Patra
2021-07-10 09:18:09 -07:00
committed by Anup Patel
parent fd9116bd46
commit 49966db306
1 changed files with 35 additions and 0 deletions
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35
lib/sbi/riscv_asm.c
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@@ -118,6 +118,21 @@ unsigned long csr_read_num(int csr_num)
switch (csr_num) {
switchcase_csr_read_16(CSR_PMPCFG0, ret)
switchcase_csr_read_64(CSR_PMPADDR0, ret)
switchcase_csr_read(CSR_MCYCLE, ret)
switchcase_csr_read(CSR_MINSTRET, ret)
switchcase_csr_read(CSR_MHPMCOUNTER3, ret)
switchcase_csr_read_4(CSR_MHPMCOUNTER4, ret)
switchcase_csr_read_8(CSR_MHPMCOUNTER8, ret)
switchcase_csr_read_16(CSR_MHPMCOUNTER16, ret)
#if __riscv_xlen == 32
switchcase_csr_read(CSR_MCYCLEH, ret)
switchcase_csr_read(CSR_MINSTRETH, ret)
switchcase_csr_read(CSR_MHPMCOUNTER3H, ret)
switchcase_csr_read_4(CSR_MHPMCOUNTER4H, ret)
switchcase_csr_read_8(CSR_MHPMCOUNTER8H, ret)
switchcase_csr_read_16(CSR_MHPMCOUNTER16H, ret)
#endif
default:
break;
};
@@ -161,6 +176,26 @@ void csr_write_num(int csr_num, unsigned long val)
switch (csr_num) {
switchcase_csr_write_16(CSR_PMPCFG0, val)
switchcase_csr_write_64(CSR_PMPADDR0, val)
switchcase_csr_write(CSR_MCYCLE, val)
switchcase_csr_write(CSR_MINSTRET, val)
switchcase_csr_write(CSR_MHPMCOUNTER3, val)
switchcase_csr_write_4(CSR_MHPMCOUNTER4, val)
switchcase_csr_write_8(CSR_MHPMCOUNTER8, val)
switchcase_csr_write_16(CSR_MHPMCOUNTER16, val)
#if __riscv_xlen == 32
switchcase_csr_write(CSR_MCYCLEH, val)
switchcase_csr_write(CSR_MINSTRETH, val)
switchcase_csr_write(CSR_MHPMCOUNTER3H, val)
switchcase_csr_write_4(CSR_MHPMCOUNTER4H, val)
switchcase_csr_write_8(CSR_MHPMCOUNTER8H, val)
switchcase_csr_write_16(CSR_MHPMCOUNTER16H, val)
#endif
switchcase_csr_write(CSR_MCOUNTINHIBIT, val)
switchcase_csr_write(CSR_MHPMEVENT3, val)
switchcase_csr_write_4(CSR_MHPMEVENT4, val)
switchcase_csr_write_8(CSR_MHPMEVENT8, val)
switchcase_csr_write_16(CSR_MHPMEVENT16, val)
default:
break;
};