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[ RFC v2 5/9] target/riscv: Add support for hpmcounters/hpmevents
From: 
Atish Patra 
Subject: 
[ RFC v2 5/9] target/riscv: Add support for hpmcounters/hpmevents 
Date: 
Thu, 9 Sep 2021 13:26:35 0700 
With SBI PMU extension, user can use any of the available hpmcounters to
track any perf events based on the value written to mhpmevent csr.
Add read/write functionality for these csrs.
Signedoffby: Atish Patra <atish.patra@wdc.com>

target/riscv/cpu.h  12 ++
target/riscv/csr.c  468 ++++++++++++++++++++++++++++
target/riscv/machine.c  3 +
3 files changed, 331 insertions(+), 152 deletions()
diff git a/target/riscv/cpu.h b/target/riscv/cpu.h
index bdb488cdbccc..bd1c6425ac9e 100644
 a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ 105,6 +105,9 @@ typedef struct CPURISCVState CPURISCVState;
#define RV_VLEN_MAX 256
+#define RV_MAX_MHPMEVENTS 29
+#define RV_MAX_MHPMCOUNTERS 32
+
FIELD(VTYPE, VLMUL, 0, 2)
FIELD(VTYPE, VSEW, 2, 3)
FIELD(VTYPE, VEDIV, 5, 2)
@@ 221,6 +224,15 @@ struct CPURISCVState {
target_ulong mcountinhibit;
+ /* PMU counter configured values */
+ target_ulong mhpmcounter_val[RV_MAX_MHPMCOUNTERS];
+
+ /* for RV32 */
+ target_ulong mhpmcounterh_val[RV_MAX_MHPMCOUNTERS];
+
+ /* PMU event selector configured values */
+ target_ulong mhpmevent_val[RV_MAX_MHPMEVENTS];
+
target_ulong sscratch;
target_ulong mscratch;
diff git a/target/riscv/csr.c b/target/riscv/csr.c
index a155a4370d6b..27614408e52a 100644
 a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ 79,6 +79,15 @@ static RISCVException mctr(CPURISCVState *env, int csrno)
#endif
}
+static RISCVException mctr32(CPURISCVState *env, int csrno)
+{
+ if (!riscv_cpu_is_32bit(env)) {
+ return RISCV_EXCP_ILLEGAL_INST;
+ }
+
+ return mctr(env, csrno);
+}
+
static RISCVException ctr(CPURISCVState *env, int csrno)
{
#if !defined(CONFIG_USER_ONLY)
@@ 426,6 +435,7 @@ static RISCVException read_instret(CPURISCVState *env, int
csrno,
#else
*val = cpu_get_host_ticks();
#endif
+
return RISCV_EXCP_NONE;
}
@@ 441,9 +451,76 @@ static RISCVException read_instreth(CPURISCVState *env,
int csrno,
#else
*val = cpu_get_host_ticks() >> 32;
#endif
+
+ return RISCV_EXCP_NONE;
+}
+
+static int read_mhpmevent(CPURISCVState *env, int csrno, target_ulong *val)
+{
+ int evt_index = csrno  CSR_MHPMEVENT3;
+
+ *val = env>mhpmevent_val[evt_index];
+
+ return RISCV_EXCP_NONE;
+}
+
+static int write_mhpmevent(CPURISCVState *env, int csrno, target_ulong val)
+{
+ int evt_index = csrno  CSR_MHPMEVENT3;
+
+ env>mhpmevent_val[evt_index] = val;
+
+ return RISCV_EXCP_NONE;
+}
+
+static int write_mhpmcounter(CPURISCVState *env, int csrno, target_ulong val)
+{
+ int ctr_index = csrno  CSR_MHPMCOUNTER3 + 3;
+
+ env>mhpmcounter_val[ctr_index] = val;
+
return RISCV_EXCP_NONE;
}
+static int write_mhpmcounterh(CPURISCVState *env, int csrno, target_ulong val)
+{
+ int ctr_index = csrno  CSR_MHPMCOUNTER3H + 3;
+
+ env>mhpmcounterh_val[ctr_index] = val;
+
+ return RISCV_EXCP_NONE;
+}
+
+static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
+{
+ int ctr_index;
+
+ if (env>priv == PRV_M) {
+ ctr_index = csrno  CSR_MHPMCOUNTER3 + 3;
+ } else {
+ ctr_index = csrno  CSR_HPMCOUNTER3 + 3;
+ }
+ *val = env>mhpmcounter_val[ctr_index];
+
+ return RISCV_EXCP_NONE;
+}
+
+static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
+{
+ int ctr_index;
+
+ if (env>priv == PRV_M) {
+ ctr_index = csrno  CSR_MHPMCOUNTER3H + 3;
+ } else {
+ ctr_index = csrno  CSR_HPMCOUNTER3H + 3;
+ }
+
+ *val = env>mhpmcounterh_val[ctr_index];
+
+ return RISCV_EXCP_NONE;
+}
+
+
#if defined(CONFIG_USER_ONLY)
static RISCVException read_time(CPURISCVState *env, int csrno,
target_ulong *val)
@@ 1743,157 +1820,244 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
[CSR_PMPADDR15] = { "pmpaddr15", pmp, read_pmpaddr, write_pmpaddr },
/* Performance Counters */
 [CSR_HPMCOUNTER3] = { "hpmcounter3", ctr, read_zero },
 [CSR_HPMCOUNTER4] = { "hpmcounter4", ctr, read_zero },
 [CSR_HPMCOUNTER5] = { "hpmcounter5", ctr, read_zero },
 [CSR_HPMCOUNTER6] = { "hpmcounter6", ctr, read_zero },
 [CSR_HPMCOUNTER7] = { "hpmcounter7", ctr, read_zero },
 [CSR_HPMCOUNTER8] = { "hpmcounter8", ctr, read_zero },
 [CSR_HPMCOUNTER9] = { "hpmcounter9", ctr, read_zero },
 [CSR_HPMCOUNTER10] = { "hpmcounter10", ctr, read_zero },
 [CSR_HPMCOUNTER11] = { "hpmcounter11", ctr, read_zero },
 [CSR_HPMCOUNTER12] = { "hpmcounter12", ctr, read_zero },
 [CSR_HPMCOUNTER13] = { "hpmcounter13", ctr, read_zero },
 [CSR_HPMCOUNTER14] = { "hpmcounter14", ctr, read_zero },
 [CSR_HPMCOUNTER15] = { "hpmcounter15", ctr, read_zero },
 [CSR_HPMCOUNTER16] = { "hpmcounter16", ctr, read_zero },
 [CSR_HPMCOUNTER17] = { "hpmcounter17", ctr, read_zero },
 [CSR_HPMCOUNTER18] = { "hpmcounter18", ctr, read_zero },
 [CSR_HPMCOUNTER19] = { "hpmcounter19", ctr, read_zero },
 [CSR_HPMCOUNTER20] = { "hpmcounter20", ctr, read_zero },
 [CSR_HPMCOUNTER21] = { "hpmcounter21", ctr, read_zero },
 [CSR_HPMCOUNTER22] = { "hpmcounter22", ctr, read_zero },
 [CSR_HPMCOUNTER23] = { "hpmcounter23", ctr, read_zero },
 [CSR_HPMCOUNTER24] = { "hpmcounter24", ctr, read_zero },
 [CSR_HPMCOUNTER25] = { "hpmcounter25", ctr, read_zero },
 [CSR_HPMCOUNTER26] = { "hpmcounter26", ctr, read_zero },
 [CSR_HPMCOUNTER27] = { "hpmcounter27", ctr, read_zero },
 [CSR_HPMCOUNTER28] = { "hpmcounter28", ctr, read_zero },
 [CSR_HPMCOUNTER29] = { "hpmcounter29", ctr, read_zero },
 [CSR_HPMCOUNTER30] = { "hpmcounter30", ctr, read_zero },
 [CSR_HPMCOUNTER31] = { "hpmcounter31", ctr, read_zero },

 [CSR_MHPMCOUNTER3] = { "mhpmcounter3", mctr, read_zero },
 [CSR_MHPMCOUNTER4] = { "mhpmcounter4", mctr, read_zero },
 [CSR_MHPMCOUNTER5] = { "mhpmcounter5", mctr, read_zero },
 [CSR_MHPMCOUNTER6] = { "mhpmcounter6", mctr, read_zero },
 [CSR_MHPMCOUNTER7] = { "mhpmcounter7", mctr, read_zero },
 [CSR_MHPMCOUNTER8] = { "mhpmcounter8", mctr, read_zero },
 [CSR_MHPMCOUNTER9] = { "mhpmcounter9", mctr, read_zero },
 [CSR_MHPMCOUNTER10] = { "mhpmcounter10", mctr, read_zero },
 [CSR_MHPMCOUNTER11] = { "mhpmcounter11", mctr, read_zero },
 [CSR_MHPMCOUNTER12] = { "mhpmcounter12", mctr, read_zero },
 [CSR_MHPMCOUNTER13] = { "mhpmcounter13", mctr, read_zero },
 [CSR_MHPMCOUNTER14] = { "mhpmcounter14", mctr, read_zero },
 [CSR_MHPMCOUNTER15] = { "mhpmcounter15", mctr, read_zero },
 [CSR_MHPMCOUNTER16] = { "mhpmcounter16", mctr, read_zero },
 [CSR_MHPMCOUNTER17] = { "mhpmcounter17", mctr, read_zero },
 [CSR_MHPMCOUNTER18] = { "mhpmcounter18", mctr, read_zero },
 [CSR_MHPMCOUNTER19] = { "mhpmcounter19", mctr, read_zero },
 [CSR_MHPMCOUNTER20] = { "mhpmcounter20", mctr, read_zero },
 [CSR_MHPMCOUNTER21] = { "mhpmcounter21", mctr, read_zero },
 [CSR_MHPMCOUNTER22] = { "mhpmcounter22", mctr, read_zero },
 [CSR_MHPMCOUNTER23] = { "mhpmcounter23", mctr, read_zero },
 [CSR_MHPMCOUNTER24] = { "mhpmcounter24", mctr, read_zero },
 [CSR_MHPMCOUNTER25] = { "mhpmcounter25", mctr, read_zero },
 [CSR_MHPMCOUNTER26] = { "mhpmcounter26", mctr, read_zero },
 [CSR_MHPMCOUNTER27] = { "mhpmcounter27", mctr, read_zero },
 [CSR_MHPMCOUNTER28] = { "mhpmcounter28", mctr, read_zero },
 [CSR_MHPMCOUNTER29] = { "mhpmcounter29", mctr, read_zero },
 [CSR_MHPMCOUNTER30] = { "mhpmcounter30", mctr, read_zero },
 [CSR_MHPMCOUNTER31] = { "mhpmcounter31", mctr, read_zero },

 [CSR_MCOUNTINHIBIT] = { "mcountinhibi", any, read_mcountinhibit,
 write_mcountinhibit },

 [CSR_MHPMEVENT3] = { "mhpmevent3", any, read_zero },
 [CSR_MHPMEVENT4] = { "mhpmevent4", any, read_zero },
 [CSR_MHPMEVENT5] = { "mhpmevent5", any, read_zero },
 [CSR_MHPMEVENT6] = { "mhpmevent6", any, read_zero },
 [CSR_MHPMEVENT7] = { "mhpmevent7", any, read_zero },
 [CSR_MHPMEVENT8] = { "mhpmevent8", any, read_zero },
 [CSR_MHPMEVENT9] = { "mhpmevent9", any, read_zero },
 [CSR_MHPMEVENT10] = { "mhpmevent10", any, read_zero },
 [CSR_MHPMEVENT11] = { "mhpmevent11", any, read_zero },
 [CSR_MHPMEVENT12] = { "mhpmevent12", any, read_zero },
 [CSR_MHPMEVENT13] = { "mhpmevent13", any, read_zero },
 [CSR_MHPMEVENT14] = { "mhpmevent14", any, read_zero },
 [CSR_MHPMEVENT15] = { "mhpmevent15", any, read_zero },
 [CSR_MHPMEVENT16] = { "mhpmevent16", any, read_zero },
 [CSR_MHPMEVENT17] = { "mhpmevent17", any, read_zero },
 [CSR_MHPMEVENT18] = { "mhpmevent18", any, read_zero },
 [CSR_MHPMEVENT19] = { "mhpmevent19", any, read_zero },
 [CSR_MHPMEVENT20] = { "mhpmevent20", any, read_zero },
 [CSR_MHPMEVENT21] = { "mhpmevent21", any, read_zero },
 [CSR_MHPMEVENT22] = { "mhpmevent22", any, read_zero },
 [CSR_MHPMEVENT23] = { "mhpmevent23", any, read_zero },
 [CSR_MHPMEVENT24] = { "mhpmevent24", any, read_zero },
 [CSR_MHPMEVENT25] = { "mhpmevent25", any, read_zero },
 [CSR_MHPMEVENT26] = { "mhpmevent26", any, read_zero },
 [CSR_MHPMEVENT27] = { "mhpmevent27", any, read_zero },
 [CSR_MHPMEVENT28] = { "mhpmevent28", any, read_zero },
 [CSR_MHPMEVENT29] = { "mhpmevent29", any, read_zero },
 [CSR_MHPMEVENT30] = { "mhpmevent30", any, read_zero },
 [CSR_MHPMEVENT31] = { "mhpmevent31", any, read_zero },

 [CSR_HPMCOUNTER3H] = { "hpmcounter3h", ctr32, read_zero },
 [CSR_HPMCOUNTER4H] = { "hpmcounter4h", ctr32, read_zero },
 [CSR_HPMCOUNTER5H] = { "hpmcounter5h", ctr32, read_zero },
 [CSR_HPMCOUNTER6H] = { "hpmcounter6h", ctr32, read_zero },
 [CSR_HPMCOUNTER7H] = { "hpmcounter7h", ctr32, read_zero },
 [CSR_HPMCOUNTER8H] = { "hpmcounter8h", ctr32, read_zero },
 [CSR_HPMCOUNTER9H] = { "hpmcounter9h", ctr32, read_zero },
 [CSR_HPMCOUNTER10H] = { "hpmcounter10h", ctr32, read_zero },
 [CSR_HPMCOUNTER11H] = { "hpmcounter11h", ctr32, read_zero },
 [CSR_HPMCOUNTER12H] = { "hpmcounter12h", ctr32, read_zero },
 [CSR_HPMCOUNTER13H] = { "hpmcounter13h", ctr32, read_zero },
 [CSR_HPMCOUNTER14H] = { "hpmcounter14h", ctr32, read_zero },
 [CSR_HPMCOUNTER15H] = { "hpmcounter15h", ctr32, read_zero },
 [CSR_HPMCOUNTER16H] = { "hpmcounter16h", ctr32, read_zero },
 [CSR_HPMCOUNTER17H] = { "hpmcounter17h", ctr32, read_zero },
 [CSR_HPMCOUNTER18H] = { "hpmcounter18h", ctr32, read_zero },
 [CSR_HPMCOUNTER19H] = { "hpmcounter19h", ctr32, read_zero },
 [CSR_HPMCOUNTER20H] = { "hpmcounter20h", ctr32, read_zero },
 [CSR_HPMCOUNTER21H] = { "hpmcounter21h", ctr32, read_zero },
 [CSR_HPMCOUNTER22H] = { "hpmcounter22h", ctr32, read_zero },
 [CSR_HPMCOUNTER23H] = { "hpmcounter23h", ctr32, read_zero },
 [CSR_HPMCOUNTER24H] = { "hpmcounter24h", ctr32, read_zero },
 [CSR_HPMCOUNTER25H] = { "hpmcounter25h", ctr32, read_zero },
 [CSR_HPMCOUNTER26H] = { "hpmcounter26h", ctr32, read_zero },
 [CSR_HPMCOUNTER27H] = { "hpmcounter27h", ctr32, read_zero },
 [CSR_HPMCOUNTER28H] = { "hpmcounter28h", ctr32, read_zero },
 [CSR_HPMCOUNTER29H] = { "hpmcounter29h", ctr32, read_zero },
 [CSR_HPMCOUNTER30H] = { "hpmcounter30h", ctr32, read_zero },
 [CSR_HPMCOUNTER31H] = { "hpmcounter31h", ctr32, read_zero },

 [CSR_MHPMCOUNTER3H] = { "mhpmcounter3h", any32, read_zero },
 [CSR_MHPMCOUNTER4H] = { "mhpmcounter4h", any32, read_zero },
 [CSR_MHPMCOUNTER5H] = { "mhpmcounter5h", any32, read_zero },
 [CSR_MHPMCOUNTER6H] = { "mhpmcounter6h", any32, read_zero },
 [CSR_MHPMCOUNTER7H] = { "mhpmcounter7h", any32, read_zero },
 [CSR_MHPMCOUNTER8H] = { "mhpmcounter8h", any32, read_zero },
 [CSR_MHPMCOUNTER9H] = { "mhpmcounter9h", any32, read_zero },
 [CSR_MHPMCOUNTER10H] = { "mhpmcounter10h", any32, read_zero },
 [CSR_MHPMCOUNTER11H] = { "mhpmcounter11h", any32, read_zero },
 [CSR_MHPMCOUNTER12H] = { "mhpmcounter12h", any32, read_zero },
 [CSR_MHPMCOUNTER13H] = { "mhpmcounter13h", any32, read_zero },
 [CSR_MHPMCOUNTER14H] = { "mhpmcounter14h", any32, read_zero },
 [CSR_MHPMCOUNTER15H] = { "mhpmcounter15h", any32, read_zero },
 [CSR_MHPMCOUNTER16H] = { "mhpmcounter16h", any32, read_zero },
 [CSR_MHPMCOUNTER17H] = { "mhpmcounter17h", any32, read_zero },
 [CSR_MHPMCOUNTER18H] = { "mhpmcounter18h", any32, read_zero },
 [CSR_MHPMCOUNTER19H] = { "mhpmcounter19h", any32, read_zero },
 [CSR_MHPMCOUNTER20H] = { "mhpmcounter20h", any32, read_zero },
 [CSR_MHPMCOUNTER21H] = { "mhpmcounter21h", any32, read_zero },
 [CSR_MHPMCOUNTER22H] = { "mhpmcounter22h", any32, read_zero },
 [CSR_MHPMCOUNTER23H] = { "mhpmcounter23h", any32, read_zero },
 [CSR_MHPMCOUNTER24H] = { "mhpmcounter24h", any32, read_zero },
 [CSR_MHPMCOUNTER25H] = { "mhpmcounter25h", any32, read_zero },
 [CSR_MHPMCOUNTER26H] = { "mhpmcounter26h", any32, read_zero },
 [CSR_MHPMCOUNTER27H] = { "mhpmcounter27h", any32, read_zero },
 [CSR_MHPMCOUNTER28H] = { "mhpmcounter28h", any32, read_zero },
 [CSR_MHPMCOUNTER29H] = { "mhpmcounter29h", any32, read_zero },
 [CSR_MHPMCOUNTER30H] = { "mhpmcounter30h", any32, read_zero },
 [CSR_MHPMCOUNTER31H] = { "mhpmcounter31h", any32, read_zero },
+ [CSR_HPMCOUNTER3] = { "hpmcounter3", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER4] = { "hpmcounter4", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER5] = { "hpmcounter5", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER6] = { "hpmcounter6", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER7] = { "hpmcounter7", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER8] = { "hpmcounter8", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER9] = { "hpmcounter9", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER10] = { "hpmcounter10", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER11] = { "hpmcounter11", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER12] = { "hpmcounter12", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER13] = { "hpmcounter13", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER14] = { "hpmcounter14", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER15] = { "hpmcounter15", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER16] = { "hpmcounter16", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER17] = { "hpmcounter17", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER18] = { "hpmcounter18", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER19] = { "hpmcounter19", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER20] = { "hpmcounter20", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER21] = { "hpmcounter21", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER22] = { "hpmcounter22", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER23] = { "hpmcounter23", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER24] = { "hpmcounter24", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER25] = { "hpmcounter25", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER26] = { "hpmcounter26", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER27] = { "hpmcounter27", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER28] = { "hpmcounter28", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER29] = { "hpmcounter29", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER30] = { "hpmcounter30", ctr, read_hpmcounter },
+ [CSR_HPMCOUNTER31] = { "hpmcounter31", ctr, read_hpmcounter },
+
+ [CSR_MHPMCOUNTER3] = { "mhpmcounter3", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER4] = { "mhpmcounter4", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER5] = { "mhpmcounter5", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER6] = { "mhpmcounter6", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER7] = { "mhpmcounter7", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER8] = { "mhpmcounter8", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER9] = { "mhpmcounter9", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER10] = { "mhpmcounter10", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER11] = { "mhpmcounter11", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER12] = { "mhpmcounter12", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER13] = { "mhpmcounter13", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER14] = { "mhpmcounter14", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER15] = { "mhpmcounter15", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER16] = { "mhpmcounter16", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER17] = { "mhpmcounter17", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER18] = { "mhpmcounter18", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER19] = { "mhpmcounter19", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER20] = { "mhpmcounter20", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER21] = { "mhpmcounter21", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER22] = { "mhpmcounter22", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER23] = { "mhpmcounter23", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER24] = { "mhpmcounter24", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER25] = { "mhpmcounter25", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER26] = { "mhpmcounter26", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER27] = { "mhpmcounter27", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER28] = { "mhpmcounter28", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER29] = { "mhpmcounter29", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER30] = { "mhpmcounter30", mctr, read_hpmcounter,
+ write_mhpmcounter },
+ [CSR_MHPMCOUNTER31] = { "mhpmcounter31", mctr, read_hpmcounter,
+ write_mhpmcounter },
+
+ [CSR_MCOUNTINHIBIT] = { "mcountinhibit", any, read_mcountinhibit,
+ write_mcountinhibit },
+
+ [CSR_MHPMEVENT3] = { "mhpmevent3", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT4] = { "mhpmevent4", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT5] = { "mhpmevent5", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT6] = { "mhpmevent6", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT7] = { "mhpmevent7", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT8] = { "mhpmevent8", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT9] = { "mhpmevent9", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT10] = { "mhpmevent10", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT11] = { "mhpmevent11", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT12] = { "mhpmevent12", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT13] = { "mhpmevent13", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT14] = { "mhpmevent14", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT15] = { "mhpmevent15", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT16] = { "mhpmevent16", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT17] = { "mhpmevent17", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT18] = { "mhpmevent18", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT19] = { "mhpmevent19", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT20] = { "mhpmevent20", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT21] = { "mhpmevent21", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT22] = { "mhpmevent22", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT23] = { "mhpmevent23", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT24] = { "mhpmevent24", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT25] = { "mhpmevent25", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT26] = { "mhpmevent26", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT27] = { "mhpmevent27", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT28] = { "mhpmevent28", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT29] = { "mhpmevent29", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT30] = { "mhpmevent30", any, read_mhpmevent,
+ write_mhpmevent },
+ [CSR_MHPMEVENT31] = { "mhpmevent31", any, read_mhpmevent,
+ write_mhpmevent },
+
+ [CSR_HPMCOUNTER3H] = { "hpmcounter3h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER4H] = { "hpmcounter4h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER5H] = { "hpmcounter5h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER6H] = { "hpmcounter6h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER7H] = { "hpmcounter7h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER8H] = { "hpmcounter8h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER9H] = { "hpmcounter9h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER10H] = { "hpmcounter10h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER11H] = { "hpmcounter11h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER12H] = { "hpmcounter12h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER13H] = { "hpmcounter13h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER14H] = { "hpmcounter14h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER15H] = { "hpmcounter15h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER16H] = { "hpmcounter16h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER17H] = { "hpmcounter17h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER18H] = { "hpmcounter18h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER19H] = { "hpmcounter19h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER20H] = { "hpmcounter20h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER21H] = { "hpmcounter21h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER22H] = { "hpmcounter22h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER23H] = { "hpmcounter23h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER24H] = { "hpmcounter24h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER25H] = { "hpmcounter25h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER26H] = { "hpmcounter26h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER27H] = { "hpmcounter27h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER28H] = { "hpmcounter28h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER29H] = { "hpmcounter29h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER30H] = { "hpmcounter30h", ctr32, read_hpmcounterh },
+ [CSR_HPMCOUNTER31H] = { "hpmcounter31h", ctr32, read_hpmcounterh },
+
+ [CSR_MHPMCOUNTER3H] = { "mhpmcounter3h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER4H] = { "mhpmcounter4h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER5H] = { "mhpmcounter5h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER6H] = { "mhpmcounter6h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER7H] = { "mhpmcounter7h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER8H] = { "mhpmcounter8h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER9H] = { "mhpmcounter9h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER10H] = { "mhpmcounter10h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER11H] = { "mhpmcounter11h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER12H] = { "mhpmcounter12h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER13H] = { "mhpmcounter13h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER14H] = { "mhpmcounter14h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER15H] = { "mhpmcounter15h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER16H] = { "mhpmcounter16h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER17H] = { "mhpmcounter17h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER18H] = { "mhpmcounter18h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER19H] = { "mhpmcounter19h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER20H] = { "mhpmcounter20h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER21H] = { "mhpmcounter21h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER22H] = { "mhpmcounter22h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER23H] = { "mhpmcounter23h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER24H] = { "mhpmcounter24h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER25H] = { "mhpmcounter25h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER26H] = { "mhpmcounter26h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER27H] = { "mhpmcounter27h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER28H] = { "mhpmcounter28h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER29H] = { "mhpmcounter29h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER30H] = { "mhpmcounter30h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
+ [CSR_MHPMCOUNTER31H] = { "mhpmcounter31h", mctr32, read_hpmcounterh,
+ write_mhpmcounterh },
#endif /* !CONFIG_USER_ONLY */
};
diff git a/target/riscv/machine.c b/target/riscv/machine.c
index 20dea0843604..a2b32064b07a 100644
 a/target/riscv/machine.c
+++ b/target/riscv/machine.c
@@ 178,6 +178,9 @@ const VMStateDescription vmstate_riscv_cpu = {
VMSTATE_UINTTL(env.scounteren, RISCVCPU),
VMSTATE_UINTTL(env.mcounteren, RISCVCPU),
VMSTATE_UINTTL(env.mcountinhibit, RISCVCPU),
+ VMSTATE_UINTTL_ARRAY(env.mhpmcounter_val, RISCVCPU,
RV_MAX_MHPMCOUNTERS),
+ VMSTATE_UINTTL_ARRAY(env.mhpmcounterh_val, RISCVCPU,
RV_MAX_MHPMCOUNTERS),
+ VMSTATE_UINTTL_ARRAY(env.mhpmevent_val, RISCVCPU, RV_MAX_MHPMEVENTS),
VMSTATE_UINTTL(env.sscratch, RISCVCPU),
VMSTATE_UINTTL(env.mscratch, RISCVCPU),
VMSTATE_UINT64(env.mfromhost, RISCVCPU),

2.31.1
 Re: [ RFC v2 2/9] target/riscv: pmu: Rename the counters extension to pmu, (continued)
 [ RFC v2 3/9] target/riscv: pmu: Make number of counters configurable, Atish Patra, 2021/09/09
 [ RFC v2 7/9] target/riscv: Add sscofpmf extension support, Atish Patra, 2021/09/09
 [ RFC v2 6/9] target/riscv: Support mcycle/minstret write operation, Atish Patra, 2021/09/09
 [ RFC v2 9/9] hw/riscv: virt: Add PMU DT node to the device tree, Atish Patra, 2021/09/09
 [ RFC v2 4/9] target/riscv: Implement mcountinhibit CSR, Atish Patra, 2021/09/09
 [ RFC v2 5/9] target/riscv: Add support for hpmcounters/hpmevents,
Atish Patra <=