diff --git a/gas/testsuite/gas/aarch64/armv8_9-a-sysregs-bad.l b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs-bad.l
index 71ec06e3cb4..02d9cac392c 100644
--- a/gas/testsuite/gas/aarch64/armv8_9-a-sysregs-bad.l
+++ b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs-bad.l
@@ -77,3 +77,50 @@
 .*: Error: selected processor does not support system register name 'tcr2_el1'
 .*: Error: selected processor does not support system register name 'tcr2_el12'
 .*: Error: selected processor does not support system register name 'tcr2_el2'
+.*: Error: selected processor does not support system register name 'mdselr_el1'
+.*: Error: selected processor does not support system register name 'mdselr_el1'
+.*: Error: selected processor does not support system register name 'pmuacr_el1'
+.*: Error: selected processor does not support system register name 'pmuacr_el1'
+.*: Error: selected processor does not support system register name 'pmccntsvr_el1'
+.*: Error: selected processor does not support system register name 'pmicntsvr_el1'
+.*: Error: selected processor does not support system register name 'pmsscr_el1'
+.*: Error: selected processor does not support system register name 'pmsscr_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr0_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr10_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr11_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr12_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr13_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr14_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr15_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr16_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr17_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr18_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr19_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr1_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr20_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr21_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr22_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr23_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr24_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr25_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr26_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr27_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr28_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr29_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr30_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr3_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr4_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr5_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr6_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr7_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr8_el1'
+.*: Error: selected processor does not support system register name 'pmevcntsvr9_el1'
+.*: Error: selected processor does not support system register name 'pmicntr_el0'
+.*: Error: selected processor does not support system register name 'pmicntr_el0'
+.*: Error: selected processor does not support system register name 'pmicfiltr_el0'
+.*: Error: selected processor does not support system register name 'pmicfiltr_el0'
+.*: Error: selected processor does not support system register name 'pmzr_el0'
+.*: Error: selected processor does not support system register name 'pmecr_el1'
+.*: Error: selected processor does not support system register name 'pmecr_el1'
+.*: Error: selected processor does not support system register name 'pmiar_el1'
+.*: Error: selected processor does not support system register name 'pmiar_el1'
diff --git a/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.d b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.d
index ea4cc867ec3..dc1e8bc1fa8 100644
--- a/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.d
+++ b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.d
@@ -84,3 +84,50 @@ Disassembly of section \.text:
 .*:	d5182060 	msr	tcr2_el1, x0
 .*:	d51d2060 	msr	tcr2_el12, x0
 .*:	d51c2060 	msr	tcr2_el2, x0
+.*:	d5300440 	mrs	x0, mdselr_el1
+.*:	d5100440 	msr	mdselr_el1, x0
+.*:	d5389e80 	mrs	x0, pmuacr_el1
+.*:	d5189e80 	msr	pmuacr_el1, x0
+.*:	d530ebe0 	mrs	x0, pmccntsvr_el1
+.*:	d530ec00 	mrs	x0, pmicntsvr_el1
+.*:	d5389d60 	mrs	x0, pmsscr_el1
+.*:	d5189d60 	msr	pmsscr_el1, x0
+.*:	d530e800 	mrs	x0, pmevcntsvr0_el1
+.*:	d530e940 	mrs	x0, pmevcntsvr10_el1
+.*:	d530e960 	mrs	x0, pmevcntsvr11_el1
+.*:	d530e980 	mrs	x0, pmevcntsvr12_el1
+.*:	d530e9a0 	mrs	x0, pmevcntsvr13_el1
+.*:	d530e9c0 	mrs	x0, pmevcntsvr14_el1
+.*:	d530e9e0 	mrs	x0, pmevcntsvr15_el1
+.*:	d530ea00 	mrs	x0, pmevcntsvr16_el1
+.*:	d530ea20 	mrs	x0, pmevcntsvr17_el1
+.*:	d530ea40 	mrs	x0, pmevcntsvr18_el1
+.*:	d530ea60 	mrs	x0, pmevcntsvr19_el1
+.*:	d530e820 	mrs	x0, pmevcntsvr1_el1
+.*:	d530ea80 	mrs	x0, pmevcntsvr20_el1
+.*:	d530eaa0 	mrs	x0, pmevcntsvr21_el1
+.*:	d530eac0 	mrs	x0, pmevcntsvr22_el1
+.*:	d530eae0 	mrs	x0, pmevcntsvr23_el1
+.*:	d530eb00 	mrs	x0, pmevcntsvr24_el1
+.*:	d530eb20 	mrs	x0, pmevcntsvr25_el1
+.*:	d530eb40 	mrs	x0, pmevcntsvr26_el1
+.*:	d530eb60 	mrs	x0, pmevcntsvr27_el1
+.*:	d530eb80 	mrs	x0, pmevcntsvr28_el1
+.*:	d530eba0 	mrs	x0, pmevcntsvr29_el1
+.*:	d530ebc0 	mrs	x0, pmevcntsvr30_el1
+.*:	d530e860 	mrs	x0, pmevcntsvr3_el1
+.*:	d530e880 	mrs	x0, pmevcntsvr4_el1
+.*:	d530e8a0 	mrs	x0, pmevcntsvr5_el1
+.*:	d530e8c0 	mrs	x0, pmevcntsvr6_el1
+.*:	d530e8e0 	mrs	x0, pmevcntsvr7_el1
+.*:	d530e900 	mrs	x0, pmevcntsvr8_el1
+.*:	d530e920 	mrs	x0, pmevcntsvr9_el1
+.*:	d53b9400 	mrs	x0, pmicntr_el0
+.*:	d51b9400 	msr	pmicntr_el0, x0
+.*:	d53b9600 	mrs	x0, pmicfiltr_el0
+.*:	d51b9600 	msr	pmicfiltr_el0, x0
+.*:	d51b9d80 	msr	pmzr_el0, x0
+.*:	d5389ea0 	mrs	x0, pmecr_el1
+.*:	d5189ea0 	msr	pmecr_el1, x0
+.*:	d5389ee0 	mrs	x0, pmiar_el1
+.*:	d5189ee0 	msr	pmiar_el1, x0
\ No newline at end of file
diff --git a/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.s b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.s
index 2768c268690..536631823f5 100644
--- a/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.s
+++ b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.s
@@ -98,3 +98,60 @@
 	msr tcr2_el1, x0
 	msr tcr2_el12, x0
 	msr tcr2_el2, x0
+
+	/* FEAT_DEBUGv8p9 Extension.  */
+	mrs x0, mdselr_el1
+	msr mdselr_el1, x0
+
+	/* FEAT_PMUv3p9 Extension.  */
+	mrs x0, pmuacr_el1
+	msr pmuacr_el1, x0
+
+	/* FEAT_PMUv3_SS Extension.  */
+	mrs x0, pmccntsvr_el1
+	mrs x0, pmicntsvr_el1
+	mrs x0, pmsscr_el1
+	msr pmsscr_el1, x0
+	mrs x0, pmevcntsvr0_el1
+	mrs x0, pmevcntsvr10_el1
+	mrs x0, pmevcntsvr11_el1
+	mrs x0, pmevcntsvr12_el1
+	mrs x0, pmevcntsvr13_el1
+	mrs x0, pmevcntsvr14_el1
+	mrs x0, pmevcntsvr15_el1
+	mrs x0, pmevcntsvr16_el1
+	mrs x0, pmevcntsvr17_el1
+	mrs x0, pmevcntsvr18_el1
+	mrs x0, pmevcntsvr19_el1
+	mrs x0, pmevcntsvr1_el1
+	mrs x0, pmevcntsvr20_el1
+	mrs x0, pmevcntsvr21_el1
+	mrs x0, pmevcntsvr22_el1
+	mrs x0, pmevcntsvr23_el1
+	mrs x0, pmevcntsvr24_el1
+	mrs x0, pmevcntsvr25_el1
+	mrs x0, pmevcntsvr26_el1
+	mrs x0, pmevcntsvr27_el1
+	mrs x0, pmevcntsvr28_el1
+	mrs x0, pmevcntsvr29_el1
+	mrs x0, pmevcntsvr30_el1
+	mrs x0, pmevcntsvr3_el1
+	mrs x0, pmevcntsvr4_el1
+	mrs x0, pmevcntsvr5_el1
+	mrs x0, pmevcntsvr6_el1
+	mrs x0, pmevcntsvr7_el1
+	mrs x0, pmevcntsvr8_el1
+	mrs x0, pmevcntsvr9_el1
+
+	/* FEAT_PMUv3_ICNTR Extension.  */
+	mrs x0, pmicntr_el0
+	msr pmicntr_el0, x0
+	mrs x0, pmicfiltr_el0
+	msr pmicfiltr_el0, x0
+	msr pmzr_el0, x0
+
+	/* FEAT_SEBEP Extension.  */
+	mrs x0, pmecr_el1
+	msr pmecr_el1, x0
+	mrs x0, pmiar_el1
+	msr pmiar_el1, x0
diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h
index 632338318b6..2d7bca37c59 100644
--- a/include/opcode/aarch64.h
+++ b/include/opcode/aarch64.h
@@ -197,6 +197,16 @@ enum aarch64_feature_bit {
   AARCH64_FEATURE_S2POE,
   /* Extension to Translation Control Registers.  */
   AARCH64_FEATURE_TCR2,
+  /* Armv8.9-A/Armv9.4-A architecture Debug extension.  */
+  AARCH64_FEATURE_DEBUGv8p9,
+  /* Performance Monitors Extension.  */
+  AARCH64_FEATURE_PMUv3p9,
+  /* Performance Monitors Snapshots Extension.  */
+  AARCH64_FEATURE_PMUv3_SS,
+  /* Performance Monitors Instruction Counter Extension.  */
+  AARCH64_FEATURE_PMUv3_ICNTR,
+  /* Performance Monitors Synchronous-Exception-Based Event Extension.  */
+  AARCH64_FEATURE_SEBEP,
   AARCH64_NUM_FEATURES
 };
 
@@ -266,7 +276,12 @@ enum aarch64_feature_bit {
 					 | AARCH64_FEATBIT (X, S2PIE)	\
 					 | AARCH64_FEATBIT (X, S1POE)	\
 					 | AARCH64_FEATBIT (X, S2POE)	\
-					 | AARCH64_FEATBIT (X, TCR2)	\
+					 | AARCH64_FEATBIT (X, TCR2)    \
+					 | AARCH64_FEATBIT (X, DEBUGv8p9) \
+					 | AARCH64_FEATBIT (X, PMUv3p9)	\
+					 | AARCH64_FEATBIT (X, PMUv3_SS) \
+					 | AARCH64_FEATBIT (X, PMUv3_ICNTR) \
+					 | AARCH64_FEATBIT (X, SEBEP) \
 					)
 
 #define AARCH64_ARCH_V9A_FEATURES(X)	(AARCH64_FEATBIT (X, V9A)	\
diff --git a/opcodes/aarch64-sys-regs.def b/opcodes/aarch64-sys-regs.def
index 0f647efca7e..8413fee0889 100644
--- a/opcodes/aarch64-sys-regs.def
+++ b/opcodes/aarch64-sys-regs.def
@@ -570,6 +570,7 @@
   SYSREG ("mdcr_el3",		CPENC (3,6,1,3,1),	0,			AARCH64_NO_FEATURES)
   SYSREG ("mdrar_el1",		CPENC (2,0,1,0,0),	F_REG_READ,		AARCH64_NO_FEATURES)
   SYSREG ("mdscr_el1",		CPENC (2,0,0,2,2),	0,			AARCH64_NO_FEATURES)
+  SYSREG ("mdselr_el1",		CPENC (2,0,0,4,2),	F_ARCHEXT,		AARCH64_FEATURE (DEBUGv8p9))
   SYSREG ("mecid_a0_el2",	CPENC (3,4,10,8,1),	0,			AARCH64_NO_FEATURES)
   SYSREG ("mecid_a1_el2",	CPENC (3,4,10,8,3),	0,			AARCH64_NO_FEATURES)
   SYSREG ("mecid_p0_el2",	CPENC (3,4,10,8,0),	0,			AARCH64_NO_FEATURES)
@@ -626,11 +627,13 @@
   SYSREG ("pmbsr_el1",		CPENC (3,0,9,10,3),	F_ARCHEXT,		AARCH64_FEATURE (PROFILE))
   SYSREG ("pmccfiltr_el0",	CPENC (3,3,14,15,7),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmccntr_el0",	CPENC (3,3,9,13,0),	0,			AARCH64_NO_FEATURES)
+  SYSREG ("pmccntsvr_el1",	CPENC (2,0,14,11,7),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
   SYSREG ("pmceid0_el0",	CPENC (3,3,9,12,6),	F_REG_READ,		AARCH64_NO_FEATURES)
   SYSREG ("pmceid1_el0",	CPENC (3,3,9,12,7),	F_REG_READ,		AARCH64_NO_FEATURES)
   SYSREG ("pmcntenclr_el0",	CPENC (3,3,9,12,2),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmcntenset_el0",	CPENC (3,3,9,12,1),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmcr_el0",		CPENC (3,3,9,12,0),	0,			AARCH64_NO_FEATURES)
+  SYSREG ("pmecr_el1",		CPENC (3,0,9,14,5),	F_ARCHEXT,		AARCH64_FEATURE (SEBEP))
   SYSREG ("pmevcntr0_el0",	CPENC (3,3,14,8,0),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmevcntr10_el0",	CPENC (3,3,14,9,2),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmevcntr11_el0",	CPENC (3,3,14,9,3),	0,			AARCH64_NO_FEATURES)
@@ -662,6 +665,37 @@
   SYSREG ("pmevcntr7_el0",	CPENC (3,3,14,8,7),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmevcntr8_el0",	CPENC (3,3,14,9,0),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmevcntr9_el0",	CPENC (3,3,14,9,1),	0,			AARCH64_NO_FEATURES)
+  SYSREG ("pmevcntsvr0_el1",	CPENC (2,0,14,8,0),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr10_el1",	CPENC (2,0,14,9,2),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr11_el1",	CPENC (2,0,14,9,3),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr12_el1",	CPENC (2,0,14,9,4),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr13_el1",	CPENC (2,0,14,9,5),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr14_el1",	CPENC (2,0,14,9,6),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr15_el1",	CPENC (2,0,14,9,7),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr16_el1",	CPENC (2,0,14,10,0),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr17_el1",	CPENC (2,0,14,10,1),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr18_el1",	CPENC (2,0,14,10,2),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr19_el1",	CPENC (2,0,14,10,3),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr1_el1",	CPENC (2,0,14,8,1),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr20_el1",	CPENC (2,0,14,10,4),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr21_el1",	CPENC (2,0,14,10,5),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr22_el1",	CPENC (2,0,14,10,6),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr23_el1",	CPENC (2,0,14,10,7),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr24_el1",	CPENC (2,0,14,11,0),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr25_el1",	CPENC (2,0,14,11,1),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr26_el1",	CPENC (2,0,14,11,2),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr27_el1",	CPENC (2,0,14,11,3),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr28_el1",	CPENC (2,0,14,11,4),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr29_el1",	CPENC (2,0,14,11,5),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr2_el1",	CPENC (2,0,14,8,2),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr30_el1",	CPENC (2,0,14,11,6),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr3_el1",	CPENC (2,0,14,8,3),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr4_el1",	CPENC (2,0,14,8,4),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr5_el1",	CPENC (2,0,14,8,5),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr6_el1",	CPENC (2,0,14,8,6),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr7_el1",	CPENC (2,0,14,8,7),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr8_el1",	CPENC (2,0,14,9,0),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
+  SYSREG ("pmevcntsvr9_el1",	CPENC (2,0,14,9,1),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_SS))
   SYSREG ("pmevtyper0_el0",	CPENC (3,3,14,12,0),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmevtyper10_el0",	CPENC (3,3,14,13,2),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmevtyper11_el0",	CPENC (3,3,14,13,3),	0,			AARCH64_NO_FEATURES)
@@ -693,6 +727,10 @@
   SYSREG ("pmevtyper7_el0",	CPENC (3,3,14,12,7),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmevtyper8_el0",	CPENC (3,3,14,13,0),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmevtyper9_el0",	CPENC (3,3,14,13,1),	0,			AARCH64_NO_FEATURES)
+  SYSREG ("pmiar_el1",		CPENC (3,0,9,14,7),	F_ARCHEXT,		AARCH64_FEATURE (SEBEP))
+  SYSREG ("pmicfiltr_el0",	CPENC (3,3,9,6,0),	F_ARCHEXT,		AARCH64_FEATURE (PMUv3_ICNTR))
+  SYSREG ("pmicntr_el0",	CPENC (3,3,9,4,0),	F_ARCHEXT,		AARCH64_FEATURE (PMUv3_ICNTR))
+  SYSREG ("pmicntsvr_el1",	CPENC (2,0,14,12,0),	F_REG_READ|F_ARCHEXT,   AARCH64_FEATURE (PMUv3_SS))
   SYSREG ("pmintenclr_el1",	CPENC (3,0,9,14,2),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmintenset_el1",	CPENC (3,0,9,14,1),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmmir_el1",		CPENC (3,0,9,14,6),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (V8_4A))
@@ -710,10 +748,13 @@
   SYSREG ("pmsirr_el1",		CPENC (3,0,9,9,3),	F_ARCHEXT,		AARCH64_FEATURE (PROFILE))
   SYSREG ("pmslatfr_el1",	CPENC (3,0,9,9,6),	F_ARCHEXT,		AARCH64_FEATURE (PROFILE))
   SYSREG ("pmsnevfr_el1",	CPENC (3,0,9,9,1),	F_ARCHEXT,		AARCH64_FEATURE (V8_7A))
+  SYSREG ("pmsscr_el1",		CPENC (3,0,9,13,3),	F_ARCHEXT,		AARCH64_FEATURE (PMUv3_SS))
   SYSREG ("pmswinc_el0",	CPENC (3,3,9,12,4),	F_REG_WRITE,		AARCH64_NO_FEATURES)
+  SYSREG ("pmuacr_el1",		CPENC (3,0,9,14,4),	F_ARCHEXT,		AARCH64_FEATURE (PMUv3p9))
   SYSREG ("pmuserenr_el0",	CPENC (3,3,9,14,0),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmxevcntr_el0",	CPENC (3,3,9,13,2),	0,			AARCH64_NO_FEATURES)
   SYSREG ("pmxevtyper_el0",	CPENC (3,3,9,13,1),	0,			AARCH64_NO_FEATURES)
+  SYSREG ("pmzr_el0",		CPENC (3,3,9,13,4),	F_REG_WRITE|F_ARCHEXT,	AARCH64_FEATURE (PMUv3_ICNTR))
   SYSREG ("por_el0",		CPENC (3,3,10,2,4),	F_ARCHEXT,		AARCH64_FEATURE (S1POE))
   SYSREG ("por_el1",		CPENC (3,0,10,2,4),	F_ARCHEXT,		AARCH64_FEATURE (S1POE))
   SYSREG ("por_el12",		CPENC (3,5,10,2,4),	F_ARCHEXT,		AARCH64_FEATURE (S1POE))
