[binutils-gdb] aarch64: add SPMU feature and its associated registers

[Nick Clifton]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f01ae0392ed9e7012ae33fdcf972ee4508fb7db2

commit f01ae0392ed9e7012ae33fdcf972ee4508fb7db2
Author: Matthieu Longo <matthieu.longo@arm.com>
Date:   Thu May 16 12:36:14 2024 +0100

    aarch64: add SPMU feature and its associated registers

Diff:
---
 gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs-bad.l | 14 ++++++++++++++
 gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs.d     |  7 +++++++
 gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs.s     |  6 ++++++
 include/opcode/aarch64.h                                 |  3 +++
 opcodes/aarch64-sys-regs.def                             |  4 ++++
 5 files changed, 34 insertions(+)

diff --git a/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs-bad.l b/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs-bad.l
index 05431cc501b..9cf94755cf6 100644
--- a/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs-bad.l
+++ b/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs-bad.l
@@ -204,6 +204,20 @@
 .*: Error: selected processor does not support system register name 'pmicfiltr_el0'
 .*:  Info: macro invoked from here
 .*: Error: selected processor does not support system register name 'pmzr_el0'
+.*: Error: selected processor does not support system register name 'spmaccessr_el1'
+.*:  Info: macro invoked from here
+.*: Error: selected processor does not support system register name 'spmaccessr_el1'
+.*:  Info: macro invoked from here
+.*: Error: selected processor does not support system register name 'spmcr_el0'
+.*:  Info: macro invoked from here
+.*: Error: selected processor does not support system register name 'spmcr_el0'
+.*:  Info: macro invoked from here
+.*: Error: selected processor does not support system register name 'spmdevaff_el1'
+.*:  Info: macro invoked from here
+.*: Error: selected processor does not support system register name 'spmintenset_el1'
+.*:  Info: macro invoked from here
+.*: Error: selected processor does not support system register name 'spmintenset_el1'
+.*:  Info: macro invoked from here
 .*: Error: selected processor does not support system register name 'pmecr_el1'
 .*:  Info: macro invoked from here
 .*: Error: selected processor does not support system register name 'pmecr_el1'
diff --git a/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs.d b/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs.d
index 9913c2be6d3..e420f7077a6 100644
--- a/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs.d
+++ b/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs.d
@@ -128,6 +128,13 @@ Disassembly of section \.text:
 .*:	d51b9600 	msr	pmicfiltr_el0, x0
 .*:	d53b9600 	mrs	x0, pmicfiltr_el0
 .*:	d51b9d80 	msr	pmzr_el0, x0
+.*:	d5109d60 	msr	spmaccessr_el1, x0
+.*:	d5309d60 	mrs	x0, spmaccessr_el1
+.*:	d5139c00 	msr	spmcr_el0, x0
+.*:	d5339c00 	mrs	x0, spmcr_el0
+.*:	d5309dc0 	mrs	x0, spmdevaff_el1
+.*:	d5109e20 	msr	spmintenset_el1, x0
+.*:	d5309e20 	mrs	x0, spmintenset_el1
 .*:	d5189ea0 	msr	pmecr_el1, x0
 .*:	d5389ea0 	mrs	x0, pmecr_el1
 .*:	d5189ee0 	msr	pmiar_el1, x0
diff --git a/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs.s b/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs.s
index 318d8bb9097..6a01cb43289 100644
--- a/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs.s
+++ b/gas/testsuite/gas/aarch64/sysreg/armv8_9-a-sysregs.s
@@ -107,6 +107,12 @@
 	rw_sys_reg sys_reg=pmicfiltr_el0 xreg=x0 r=1 w=1
 	msr pmzr_el0, x0
 
+	/* FEAT_SPMU */
+	rw_sys_reg sys_reg=spmaccessr_el1 xreg=x0 r=1 w=1
+	rw_sys_reg sys_reg=spmcr_el0 xreg=x0 r=1 w=1
+	rw_sys_reg sys_reg=spmdevaff_el1 xreg=x0 r=1 w=0
+	rw_sys_reg sys_reg=spmintenset_el1 xreg=x0 r=1 w=1
+
 	/* FEAT_SEBEP Extension.  */
 	rw_sys_reg sys_reg=pmecr_el1 xreg=x0 r=1 w=1
 	rw_sys_reg sys_reg=pmiar_el1 xreg=x0 r=1 w=1
diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h
index e8fe93ef127..1ec0b66a654 100644
--- a/include/opcode/aarch64.h
+++ b/include/opcode/aarch64.h
@@ -218,6 +218,8 @@ enum aarch64_feature_bit {
   AARCH64_FEATURE_PMUv3_SS,
   /* Performance Monitors Instruction Counter Extension.  */
   AARCH64_FEATURE_PMUv3_ICNTR,
+  /* System Performance Monitors Extension */
+  AARCH64_FEATURE_SPMU,
   /* Performance Monitors Synchronous-Exception-Based Event Extension.  */
   AARCH64_FEATURE_SEBEP,
   /* SVE2.1 and SME2.1 non-widening BFloat16 instructions.  */
@@ -309,6 +311,7 @@ enum aarch64_feature_bit {
 					 | AARCH64_FEATBIT (X, PMUv3p9)	\
 					 | AARCH64_FEATBIT (X, PMUv3_SS) \
 					 | AARCH64_FEATBIT (X, PMUv3_ICNTR) \
+					 | AARCH64_FEATBIT (X, SPMU) \
 					 | AARCH64_FEATBIT (X, SEBEP) \
 					 | AARCH64_FEATBIT (X, PREDRES2) \
 					)
diff --git a/opcodes/aarch64-sys-regs.def b/opcodes/aarch64-sys-regs.def
index 8b65673a5d6..7cbc9a4811f 100644
--- a/opcodes/aarch64-sys-regs.def
+++ b/opcodes/aarch64-sys-regs.def
@@ -867,6 +867,10 @@
   SYSREG ("sp_el0",		CPENC (3,0,4,1,0),	0,			AARCH64_NO_FEATURES)
   SYSREG ("sp_el1",		CPENC (3,4,4,1,0),	0,			AARCH64_NO_FEATURES)
   SYSREG ("sp_el2",		CPENC (3,6,4,1,0),	0,			AARCH64_NO_FEATURES)
+  SYSREG ("spmaccessr_el1",	CPENC (2,0,9,13,3),	F_ARCHEXT,		AARCH64_FEATURE (SPMU))
+  SYSREG ("spmcr_el0",		CPENC (2,3,9,12,0),	F_ARCHEXT,		AARCH64_FEATURE (SPMU))
+  SYSREG ("spmdevaff_el1",	CPENC (2,0,9,13,6),	F_REG_READ|F_ARCHEXT,	AARCH64_FEATURE (SPMU))
+  SYSREG ("spmintenset_el1",	CPENC (2,0,9,14,1),	F_ARCHEXT,		AARCH64_FEATURE (SPMU))
   SYSREG ("spsel",		CPENC (3,0,4,2,0),	0,			AARCH64_NO_FEATURES)
   SYSREG ("spsr_abt",		CPENC (3,4,4,3,1),	0,			AARCH64_NO_FEATURES)
   SYSREG ("spsr_el1",		CPENC (3,0,4,0,0),	0,			AARCH64_NO_FEATURES)