VMM: Clean up per-cpu VMCS state
[akaros.git] / kern / arch / riscv / endian.h
1 /* Copyright (c) 2010 The Regents of the University of California
2  * Barret Rhoden <brho@cs.berkeley.edu>
3  * See LICENSE for details.
4  *
5  * Endian #def and byte_swapping functions */
6
7 #pragma once
8
9 #include <ros/common.h>
10 #include <arch/types.h>
11
12 static inline uint16_t byte_swap16(uint16_t x)
13 {
14         return (uint16_t)(x << 8 | x >> 8);
15 }
16
17 static inline uint32_t byte_swap32(uint32_t x)
18 {
19         return (uint32_t)(((uint32_t)byte_swap16(x & 0xffff) << 16) |
20                           (byte_swap16(x >> 16)));
21 }
22
23 static inline uint64_t byte_swap64(uint64_t x)
24 {
25         return (uint64_t)(((uint64_t)byte_swap32(x & 0xffffffff) << 32) |
26                           (byte_swap32(x >> 32)));
27 }