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lib: sbi: Implement SBI PMU extension

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RISC-V SBI specfication 0.3 defines a PMU extension that allows supervisor
mode to start/stop/configure pmu related events. This patch implements
all of the functionality defined in the specification.

Reviewed-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Atish Patra
2021-07-10 09:18:13 -07:00
committed by Anup Patel
parent ae72ec0915
commit 37f9b0f2f2
5 changed files with 99 additions and 1 deletions
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1
lib/sbi/objects.mk
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@@ -20,6 +20,7 @@ libsbi-objs-y += sbi_ecall.o
libsbi-objs-y += sbi_ecall_base.o
libsbi-objs-y += sbi_ecall_hsm.o
libsbi-objs-y += sbi_ecall_legacy.o
libsbi-objs-y += sbi_ecall_pmu.o
libsbi-objs-y += sbi_ecall_replace.o
libsbi-objs-y += sbi_ecall_vendor.o
libsbi-objs-y += sbi_emulate_csr.o