From 000e8231144362edeb34c17ec523366578249614 Mon Sep 17 00:00:00 2001
From: Rin Dobrescu <rin.dobrescu@arm.com>
Date: Thu, 31 Oct 2024 12:15:43 +0000
Subject: [PATCH] Add aarch64_sme_accessible to newlib patch

---
 patches/newlib.patch | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/patches/newlib.patch b/patches/newlib.patch
index 489aae31..f520a7fc 100644
--- a/patches/newlib.patch
+++ b/patches/newlib.patch
@@ -1,3 +1,20 @@
+diff --git a/libgloss/aarch64/syscalls.c b/libgloss/aarch64/syscalls.c
+index 7343cc61f..2c4b63c17 100644
+--- a/libgloss/aarch64/syscalls.c
++++ b/libgloss/aarch64/syscalls.c
+@@ -172,6 +172,12 @@ newslot (void)
+   return i;
+ }
+
++int __aarch64_sme_accessible() {
++  int result = 0;
++  asm volatile ( "mrs %x[result], id_aa64pfr1_el1" : [result]"=r"(result) :  : );
++  return (result & 0x3000000) != 0;
++}
++
+ void
+ initialise_monitor_handles (void)
+ {
 diff --git a/libgloss/arm/cpu-init/rdimon-aem.S b/libgloss/arm/cpu-init/rdimon-aem.S
 index 95b86e4d4..b91034ae6 100644
 --- a/libgloss/arm/cpu-init/rdimon-aem.S