git: 20aa38363e30 - stable/13 - Teach the arm64 kernel to identify the Arm AEM

[Andrew Turner]

The branch stable/13 has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=20aa38363e308063c3db5347f3a1f1b1d8b28ea2

commit 20aa38363e308063c3db5347f3a1f1b1d8b28ea2
Author:     Andrew Turner <andrew at FreeBSD.org>
AuthorDate: 2021-07-27 19:28:33 +0000
Commit:     Andrew Turner <andrew at FreeBSD.org>
CommitDate: 2021-08-30 11:22:21 +0000

    Teach the arm64 kernel to identify the Arm AEM
    
    The Arm Architecture Envelope Model is a simulator that models the
    architecture rather than any specific implementation. Add its part ID
    macro and add it to the list of Arm CPUs we can decode.
    
    Sponsored by:   The FreeBSD Foundation
    
    (cherry picked from commit 2531f067ea0e9c77b081445800de8e9584d7d4ab)
---
 sys/arm64/arm64/identcpu.c | 1 +
 sys/arm64/include/cpu.h    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/sys/arm64/arm64/identcpu.c b/sys/arm64/arm64/identcpu.c
index 233b036f4499..794b097195ef 100644
--- a/sys/arm64/arm64/identcpu.c
+++ b/sys/arm64/arm64/identcpu.c
@@ -190,6 +190,7 @@ struct cpu_implementers {
  */
 /* ARM Ltd. */
 static const struct cpu_parts cpu_parts_arm[] = {
+	{ CPU_PART_AEM_V8, "AEMv8" },
 	{ CPU_PART_FOUNDATION, "Foundation-Model" },
 	{ CPU_PART_CORTEX_A35, "Cortex-A35" },
 	{ CPU_PART_CORTEX_A53, "Cortex-A53" },
diff --git a/sys/arm64/include/cpu.h b/sys/arm64/include/cpu.h
index 529f156f2e96..d58cf6f113c6 100644
--- a/sys/arm64/include/cpu.h
+++ b/sys/arm64/include/cpu.h
@@ -93,6 +93,7 @@
 #define	CPU_PART_NEOVERSE_N1	0xD0C
 #define	CPU_PART_CORTEX_A77	0xD0D
 #define	CPU_PART_CORTEX_A76AE	0xD0E
+#define	CPU_PART_AEM_V8		0xD0F
 
 /* Cavium Part numbers */
 #define	CPU_PART_THUNDERX	0x0A1