From 08014589e291d9ffc8ba4d7abc9a669bfd0c3bec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Sat, 18 Oct 2025 14:59:27 +0200
Subject: [PATCH] std.atomic: define cache line size for or1k

---
 lib/std/atomic.zig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/std/atomic.zig b/lib/std/atomic.zig
index 64926dbc4f..7853d04214 100644
--- a/lib/std/atomic.zig
+++ b/lib/std/atomic.zig
@@ -445,7 +445,9 @@ pub fn cacheLineForCpu(cpu: std.Target.Cpu) u16 {
         => 32,
 
         // - https://github.com/torvalds/linux/blob/3a7e02c040b130b5545e4b115aada7bacd80a2b6/arch/m68k/include/asm/cache.h#L10
+        // - https://github.com/torvalds/linux/blob/3a7e02c040b130b5545e4b115aada7bacd80a2b6/arch/openrisc/include/asm/cache.h#L24
         .m68k,
+        .or1k,
         => 16,
 
         // - https://www.ti.com/lit/pdf/slaa498