[binutils-gdb] This patch introduces ETE (Embedded Trace Extension) system registers for the AArch64 architecture.

[Nick Clifton]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=3454861d897960237c852040ded04f70e1bda070

commit 3454861d897960237c852040ded04f70e1bda070
Author: Przemyslaw Wirkus <przemyslaw.wirkus@arm.com>
Date:   Mon Sep 28 15:41:23 2020 +0100

    This patch introduces ETE (Embedded Trace Extension) system registers for the AArch64 architecture.
    
    gas           * testsuite/gas/aarch64/ete.d: New test.
                  * testsuite/gas/aarch64/ete.s: New test.
    
    opcodes       * aarch64-opc.c: Add ETE system registers TRCEXTINSELR<0-3> and TRCRSR.

Diff:
---
 gas/ChangeLog                   |  5 +++++
 gas/testsuite/gas/aarch64/ete.d | 18 ++++++++++++++++++
 gas/testsuite/gas/aarch64/ete.s | 15 +++++++++++++++
 opcodes/ChangeLog               |  4 ++++
 opcodes/aarch64-opc.c           |  6 ++++++
 5 files changed, 48 insertions(+)

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 565c131965b..18c19baf3a5 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2020-09-28  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
+
+        * testsuite/gas/aarch64/ete.d: New test.
+        * testsuite/gas/aarch64/ete.s: New test.
+
 2020-09-28  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
 
         * testsuite/gas/aarch64/trbe-invalid.d: New test.
diff --git a/gas/testsuite/gas/aarch64/ete.d b/gas/testsuite/gas/aarch64/ete.d
new file mode 100644
index 00000000000..511b4fb5343
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/ete.d
@@ -0,0 +1,18 @@
+#name: ETE System registers
+#objdump: -dr
+
+.*:     file format .*
+
+Disassembly of section \.text:
+
+0+ <.*>:
+[^:]+:	d5310880 	mrs	x0, trcextinselr0
+[^:]+:	d5310980 	mrs	x0, trcextinselr1
+[^:]+:	d5310a80 	mrs	x0, trcextinselr2
+[^:]+:	d5310b80 	mrs	x0, trcextinselr3
+[^:]+:	d5310a00 	mrs	x0, trcrsr
+[^:]+:	d5110880 	msr	trcextinselr0, x0
+[^:]+:	d5110980 	msr	trcextinselr1, x0
+[^:]+:	d5110a80 	msr	trcextinselr2, x0
+[^:]+:	d5110b80 	msr	trcextinselr3, x0
+[^:]+:	d5110a00 	msr	trcrsr, x0
diff --git a/gas/testsuite/gas/aarch64/ete.s b/gas/testsuite/gas/aarch64/ete.s
new file mode 100644
index 00000000000..72720eed9ee
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/ete.s
@@ -0,0 +1,15 @@
+/* ETE System registers.  */
+
+/* Read from system register.  */
+mrs x0, trcextinselr0
+mrs x0, trcextinselr1
+mrs x0, trcextinselr2
+mrs x0, trcextinselr3
+mrs x0, trcrsr
+
+/* Write to system register.  */
+msr trcextinselr0, x0
+msr trcextinselr1, x0
+msr trcextinselr2, x0
+msr trcextinselr3, x0
+msr trcrsr, x0
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 291c52e54b8..e9dfb78faad 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,7 @@
+2020-09-28  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
+
+        * aarch64-opc.c: Add ETE system registers TRCEXTINSELR<0-3> and TRCRSR.
+
 2020-09-28  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
 
         * aarch64-opc.c: Add TRBE system registers TRBIDR_EL1 , TRBBASER_EL1 ,
diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c
index 1be8d21642b..83afb1f9778 100644
--- a/opcodes/aarch64-opc.c
+++ b/opcodes/aarch64-opc.c
@@ -4319,6 +4319,12 @@ const aarch64_sys_reg aarch64_sys_regs [] =
   SR_CORE("trbsr_el1",  	CPENC (3,0,C9,C11,3),	0),
   SR_CORE("trbtrg_el1", 	CPENC (3,0,C9,C11,6),	0),
 
+  SR_CORE ("trcextinselr0",	CPENC (2,1,C0,C8,4),	0),
+  SR_CORE ("trcextinselr1",	CPENC (2,1,C0,C9,4),	0),
+  SR_CORE ("trcextinselr2",	CPENC (2,1,C0,C10,4),	0),
+  SR_CORE ("trcextinselr3",	CPENC (2,1,C0,C11,4),	0),
+  SR_CORE ("trcrsr",		CPENC (2,1,C0,C10,0),	0),
+
   { 0, CPENC (0,0,0,0,0), 0, 0 }
 };