| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| 2 | /* |
| 3 | * Copyright (C) 2011 Texas Instruments Incorporated |
| 4 | * Author: Mark Salter <msalter@redhat.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | #ifndef _ASM_C6X_SWAB_H |
| 11 | #define _ASM_C6X_SWAB_H |
| 12 | |
| 13 | static inline __attribute_const__ __u16 __c6x_swab16(__u16 val) |
| 14 | { |
| 15 | asm("swap4 .l1 %0,%0\n" : "+a"(val)); |
| 16 | return val; |
| 17 | } |
| 18 | |
| 19 | static inline __attribute_const__ __u32 __c6x_swab32(__u32 val) |
| 20 | { |
| 21 | asm("swap4 .l1 %0,%0\n" |
| 22 | "swap2 .l1 %0,%0\n" |
| 23 | : "+a"(val)); |
| 24 | return val; |
| 25 | } |
| 26 | |
| 27 | static inline __attribute_const__ __u64 __c6x_swab64(__u64 val) |
| 28 | { |
| 29 | asm(" swap2 .s1 %p0,%P0\n" |
| 30 | "|| swap2 .l1 %P0,%p0\n" |
| 31 | " swap4 .l1 %p0,%p0\n" |
| 32 | " swap4 .l1 %P0,%P0\n" |
| 33 | : "+a"(val)); |
| 34 | return val; |
| 35 | } |
| 36 | |
| 37 | static inline __attribute_const__ __u32 __c6x_swahw32(__u32 val) |
| 38 | { |
| 39 | asm("swap2 .l1 %0,%0\n" : "+a"(val)); |
| 40 | return val; |
| 41 | } |
| 42 | |
| 43 | static inline __attribute_const__ __u32 __c6x_swahb32(__u32 val) |
| 44 | { |
| 45 | asm("swap4 .l1 %0,%0\n" : "+a"(val)); |
| 46 | return val; |
| 47 | } |
| 48 | |
| 49 | #define __arch_swab16 __c6x_swab16 |
| 50 | #define __arch_swab32 __c6x_swab32 |
| 51 | #define __arch_swab64 __c6x_swab64 |
| 52 | #define __arch_swahw32 __c6x_swahw32 |
| 53 | #define __arch_swahb32 __c6x_swahb32 |
| 54 | |
| 55 | #endif /* _ASM_C6X_SWAB_H */ |