PMU is supported in KVM mode. With info registers command, PMU CSR registers should be dumped also. And it is not necessary in TCG mode.
Signed-off-by: Bibo Mao <[email protected]> --- target/loongarch/cpu.c | 5 +++++ target/loongarch/csr.c | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 7daf290851..401ae75bd0 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -129,6 +129,11 @@ static void loongarch_la464_init_csr(DeviceState *dev) set_csr_flag(LOONGARCH_CSR_MERRERA, CSRFL_UNUSED); set_csr_flag(LOONGARCH_CSR_MERRSAVE, CSRFL_UNUSED); set_csr_flag(LOONGARCH_CSR_CTAG, CSRFL_UNUSED); + + for (i = env->perf_event_num; i < MAX_PERF_EVENTS; i++) { + set_csr_flag(LOONGARCH_CSR_PERFCTRL(i), CSRFL_UNUSED); + set_csr_flag(LOONGARCH_CSR_PERFCNTR(i), CSRFL_UNUSED); + } } #endif } diff --git a/target/loongarch/csr.c b/target/loongarch/csr.c index f973780bba..332a1396cc 100644 --- a/target/loongarch/csr.c +++ b/target/loongarch/csr.c @@ -94,6 +94,38 @@ static CSRInfo csr_info[] = { CSR_OFF_ARRAY(DMW, 1), CSR_OFF_ARRAY(DMW, 2), CSR_OFF_ARRAY(DMW, 3), + CSR_OFF_ARRAY(PERFCTRL, 0), + CSR_OFF_ARRAY(PERFCNTR, 0), + CSR_OFF_ARRAY(PERFCTRL, 1), + CSR_OFF_ARRAY(PERFCNTR, 1), + CSR_OFF_ARRAY(PERFCTRL, 2), + CSR_OFF_ARRAY(PERFCNTR, 2), + CSR_OFF_ARRAY(PERFCTRL, 3), + CSR_OFF_ARRAY(PERFCNTR, 3), + CSR_OFF_ARRAY(PERFCTRL, 4), + CSR_OFF_ARRAY(PERFCNTR, 4), + CSR_OFF_ARRAY(PERFCTRL, 5), + CSR_OFF_ARRAY(PERFCNTR, 5), + CSR_OFF_ARRAY(PERFCTRL, 6), + CSR_OFF_ARRAY(PERFCNTR, 6), + CSR_OFF_ARRAY(PERFCTRL, 7), + CSR_OFF_ARRAY(PERFCNTR, 7), + CSR_OFF_ARRAY(PERFCTRL, 8), + CSR_OFF_ARRAY(PERFCNTR, 8), + CSR_OFF_ARRAY(PERFCTRL, 9), + CSR_OFF_ARRAY(PERFCNTR, 9), + CSR_OFF_ARRAY(PERFCTRL, 10), + CSR_OFF_ARRAY(PERFCNTR, 10), + CSR_OFF_ARRAY(PERFCTRL, 11), + CSR_OFF_ARRAY(PERFCNTR, 11), + CSR_OFF_ARRAY(PERFCTRL, 12), + CSR_OFF_ARRAY(PERFCNTR, 12), + CSR_OFF_ARRAY(PERFCTRL, 13), + CSR_OFF_ARRAY(PERFCNTR, 13), + CSR_OFF_ARRAY(PERFCTRL, 14), + CSR_OFF_ARRAY(PERFCNTR, 14), + CSR_OFF_ARRAY(PERFCTRL, 15), + CSR_OFF_ARRAY(PERFCNTR, 15), CSR_OFF(DBG), CSR_OFF(DERA), CSR_OFF(DSAVE), -- 2.39.3
