Release 4.14 arch/sh/include/asm/cmpxchg-llsc.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_CMPXCHG_LLSC_H
#define __ASM_SH_CMPXCHG_LLSC_H
static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val)
{
unsigned long retval;
unsigned long tmp;
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%2, %0 ! xchg_u32 \n\t"
"mov %0, %1 \n\t"
"mov %3, %0 \n\t"
"movco.l %0, @%2 \n\t"
"bf 1b \n\t"
"synco \n\t"
: "=&z"(tmp), "=&r" (retval)
: "r" (m), "r" (val)
: "t", "memory"
);
return retval;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Paul Mundt | 30 | 96.77% | 1 | 50.00% |
| Matt Fleming | 1 | 3.23% | 1 | 50.00% |
| Total | 31 | 100.00% | 2 | 100.00% |
static inline unsigned long
__cmpxchg_u32(volatile u32 *m, unsigned long old, unsigned long new)
{
unsigned long retval;
unsigned long tmp;
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%2, %0 ! __cmpxchg_u32 \n\t"
"mov %0, %1 \n\t"
"cmp/eq %1, %3 \n\t"
"bf 2f \n\t"
"mov %4, %0 \n\t"
"2: \n\t"
"movco.l %0, @%2 \n\t"
"bf 1b \n\t"
"synco \n\t"
: "=&z" (tmp), "=&r" (retval)
: "r" (m), "r" (old), "r" (new)
: "t", "memory"
);
return retval;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Paul Mundt | 27 | 77.14% | 1 | 50.00% |
| Michael S. Tsirkin | 8 | 22.86% | 1 | 50.00% |
| Total | 35 | 100.00% | 2 | 100.00% |
#include <asm/cmpxchg-xchg.h>
#endif /* __ASM_SH_CMPXCHG_LLSC_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Paul Mundt | 66 | 83.54% | 1 | 20.00% |
| Michael S. Tsirkin | 11 | 13.92% | 2 | 40.00% |
| Greg Kroah-Hartman | 1 | 1.27% | 1 | 20.00% |
| Matt Fleming | 1 | 1.27% | 1 | 20.00% |
| Total | 79 | 100.00% | 5 | 100.00% |
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