From 4cf4ef2410957f9f5b66b084450a1f463ac715eb Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Tue, 18 Feb 2025 14:53:04 -0500
Subject: kernel: param: Add bit MASK() macro

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/include/sys/param.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'sys/include')

diff --git a/sys/include/sys/param.h b/sys/include/sys/param.h
index 9f19b5f..c0a5686 100644
--- a/sys/include/sys/param.h
+++ b/sys/include/sys/param.h
@@ -38,6 +38,7 @@
 /* Bit related macros */
 #define ISSET(v, f)  ((v) & (f))
 #define BIT(n) (1ULL << (n))
+#define MASK(n) ((1ULL << n) - 1)
 
 /* Min/max macros */
 #define MIN(a,b) (((a) < (b)) ? (a) : (b))
-- 
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