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-rw-r--r--sys/inc/sys/param.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/sys/inc/sys/param.h b/sys/inc/sys/param.h
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--- /dev/null
+++ b/sys/inc/sys/param.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPKERNE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LKERNS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * PKERNSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _SYS_PARAM_H_
+#define _SYS_PARAM_H_ 1
+
+#include <sys/types.h>
+
+/* 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))
+#define MAX(a,b) (((a) > (b)) ? (a) : (b))
+
+/* Align up/down a value */
+#define ALIGN_DOWN(value, align) ((value) & ~((align)-1))
+#define ALIGN_UP(value, align) (((value) + (align)-1) & ~((align)-1))
+
+/* Bitmap helper macros */
+#define setbit(a, b) ((a)[(b) >> 3] |= BIT(b % 8))
+#define clrbit(a, b) ((a)[(b) >> 3] &= ~BIT(b % 8))
+#define testbit(a, b) (ISSET((a)[(b) >> 3], BIT(b % 8)))
+
+/* Offset a pointer by 'N' */
+#define PTR_OFFSET(PTR, N) (void *)((uintptr_t)PTR + N)
+#define PTR_NOFFSET(PTR, N) (void *)((uintptr_t)PTR - N)
+
+#define NELEM(a) (sizeof(a) / sizeof(a[0]))
+
+#endif /* !_SYS_PARAM_H_ */