git: 78a3420c20e0 - main - riscv: Print ISA extensions

From: Mitchell Horne <mhorne_at_FreeBSD.org>
Date: Tue, 23 May 2023 13:23:22 UTC
The branch main has been updated by mhorne:

URL: https://cgit.FreeBSD.org/src/commit/?id=78a3420c20e075ca8c44a4670ab5ca5afe6bbdf5

commit 78a3420c20e075ca8c44a4670ab5ca5afe6bbdf5
Author:     Mitchell Horne <mhorne@FreeBSD.org>
AuthorDate: 2023-05-22 23:52:28 +0000
Commit:     Mitchell Horne <mhorne@FreeBSD.org>
CommitDate: 2023-05-23 13:19:26 +0000

    riscv: Print ISA extensions
    
    Report the CPU's single-letter ISA extensions in printcpuinfo().
    
    Reviewed by:    markj
    MFC after:      2 weeks
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D39813
---
 sys/riscv/riscv/identcpu.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sys/riscv/riscv/identcpu.c b/sys/riscv/riscv/identcpu.c
index 6d82e4a2ad77..d4ad8a1078b6 100644
--- a/sys/riscv/riscv/identcpu.c
+++ b/sys/riscv/riscv/identcpu.c
@@ -429,5 +429,12 @@ printcpuinfo(u_int cpu)
 		    desc->cpu_mvendor_name, desc->cpu_march_name, hart);
 
 		printf("  marchid=%#lx, mimpid=%#lx\n", marchid, mimpid);
+		printf("  ISA: %#b\n", desc->isa_extensions,
+		    "\020"
+		    "\01Atomic"
+		    "\03Compressed"
+		    "\04Double"
+		    "\06Float"
+		    "\15Mult/Div");
 	}
 }