On Mon, 29 Jan 2024 01:25:43 PST (-0800), peterlin@xxxxxxxxxxxxx wrote:
Hi All,
This patch series introduces the Andes PMU extension, which serves the
same purpose as Sscofpmf and Smcntrpmf. Its non-standard local interrupt
is assigned to bit 18 in the custom S-mode local interrupt enable and
pending registers (slie/slip), while the interrupt cause is (256 + 18).
Linux patches based on:
- ed5b7cf ("riscv: errata: andes: Probe for IOCP only once in boot stage")
It can be found on Andes Technology GitHub:
- https://github.com/andestech/linux/commits/andes-pmu-support-v8
The PMU device tree node used on AX45MP:
- https://github.com/riscv-software-src/opensbi/blob/master/docs/pmu_support.md#example-3
Locus Wei-Han Chen (1):
riscv: andes: Support specifying symbolic firmware and hardware raw
events
Yu Chien Peter Lin (9):
riscv: errata: Rename defines for Andes
irqchip/riscv-intc: Allow large non-standard interrupt number
irqchip/riscv-intc: Introduce Andes hart-level interrupt controller
dt-bindings: riscv: Add Andes interrupt controller compatible string
riscv: dts: renesas: r9a07g043f: Update compatible string to use Andes
INTC
perf: RISC-V: Eliminate redundant interrupt enable/disable operations
perf: RISC-V: Introduce Andes PMU to support perf event sampling
dt-bindings: riscv: Add Andes PMU extension description
riscv: dts: renesas: Add Andes PMU extension for r9a07g043f
.../devicetree/bindings/riscv/cpus.yaml | 6 +-
.../devicetree/bindings/riscv/extensions.yaml | 7 +
arch/riscv/boot/dts/renesas/r9a07g043f.dtsi | 4 +-
arch/riscv/errata/andes/errata.c | 10 +-
arch/riscv/include/asm/errata_list.h | 13 +-
arch/riscv/include/asm/hwcap.h | 1 +
arch/riscv/include/asm/vendorid_list.h | 2 +-
arch/riscv/kernel/alternative.c | 2 +-
arch/riscv/kernel/cpufeature.c | 1 +
drivers/irqchip/irq-riscv-intc.c | 88 ++++++++++--
drivers/perf/Kconfig | 14 ++
drivers/perf/riscv_pmu_sbi.c | 37 ++++-
include/linux/soc/andes/irq.h | 18 +++
.../arch/riscv/andes/ax45/firmware.json | 68 ++++++++++
.../arch/riscv/andes/ax45/instructions.json | 127 ++++++++++++++++++
.../arch/riscv/andes/ax45/memory.json | 57 ++++++++
.../arch/riscv/andes/ax45/microarch.json | 77 +++++++++++
tools/perf/pmu-events/arch/riscv/mapfile.csv | 1 +
18 files changed, 494 insertions(+), 39 deletions(-)
create mode 100644 include/linux/soc/andes/irq.h
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json
Acked-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx>
in case someone wants to take this via another tree. I'm also OK taking
it via the RISC-V tree, pending a resolution to Thomas' comments on
patch 2. For now I'm going to assume there's a v9 coming.
Thanks!
