Release 4.14 arch/sh/include/asm/cmpxchg-grb.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_CMPXCHG_GRB_H
#define __ASM_SH_CMPXCHG_GRB_H
static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val)
{
unsigned long retval;
__asm__ __volatile__ (
" .align 2 \n\t"
" mova 1f, r0 \n\t" /* r0 = end point */
" nop \n\t"
" mov r15, r1 \n\t" /* r1 = saved sp */
" mov #-4, r15 \n\t" /* LOGIN */
" mov.l @%1, %0 \n\t" /* load old value */
" mov.l %2, @%1 \n\t" /* store new value */
"1: mov r1, r15 \n\t" /* LOGOUT */
: "=&r" (retval),
"+r" (m),
"+r" (val) /* inhibit r15 overloading */
:
: "memory", "r0", "r1");
return retval;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stuart Menefy | 38 | 92.68% | 1 | 50.00% |
| Srinivas Kandagatla | 3 | 7.32% | 1 | 50.00% |
| Total | 41 | 100.00% | 2 | 100.00% |
static inline unsigned long xchg_u16(volatile u16 *m, unsigned long val)
{
unsigned long retval;
__asm__ __volatile__ (
" .align 2 \n\t"
" mova 1f, r0 \n\t" /* r0 = end point */
" mov r15, r1 \n\t" /* r1 = saved sp */
" mov #-6, r15 \n\t" /* LOGIN */
" mov.w @%1, %0 \n\t" /* load old value */
" extu.w %0, %0 \n\t" /* extend as unsigned */
" mov.w %2, @%1 \n\t" /* store new value */
"1: mov r1, r15 \n\t" /* LOGOUT */
: "=&r" (retval),
"+r" (m),
"+r" (val) /* inhibit r15 overloading */
:
: "memory" , "r0", "r1");
return retval;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael S. Tsirkin | 43 | 100.00% | 1 | 100.00% |
| Total | 43 | 100.00% | 1 | 100.00% |
static inline unsigned long xchg_u8(volatile u8 *m, unsigned long val)
{
unsigned long retval;
__asm__ __volatile__ (
" .align 2 \n\t"
" mova 1f, r0 \n\t" /* r0 = end point */
" mov r15, r1 \n\t" /* r1 = saved sp */
" mov #-6, r15 \n\t" /* LOGIN */
" mov.b @%1, %0 \n\t" /* load old value */
" extu.b %0, %0 \n\t" /* extend as unsigned */
" mov.b %2, @%1 \n\t" /* store new value */
"1: mov r1, r15 \n\t" /* LOGOUT */
: "=&r" (retval),
"+r" (m),
"+r" (val) /* inhibit r15 overloading */
:
: "memory" , "r0", "r1");
return retval;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stuart Menefy | 40 | 93.02% | 1 | 50.00% |
| Srinivas Kandagatla | 3 | 6.98% | 1 | 50.00% |
| Total | 43 | 100.00% | 2 | 100.00% |
static inline unsigned long __cmpxchg_u32(volatile int *m, unsigned long old,
unsigned long new)
{
unsigned long retval;
__asm__ __volatile__ (
" .align 2 \n\t"
" mova 1f, r0 \n\t" /* r0 = end point */
" nop \n\t"
" mov r15, r1 \n\t" /* r1 = saved sp */
" mov #-8, r15 \n\t" /* LOGIN */
" mov.l @%3, %0 \n\t" /* load old value */
" cmp/eq %0, %1 \n\t"
" bf 1f \n\t" /* if not equal */
" mov.l %2, @%3 \n\t" /* store new value */
"1: mov r1, r15 \n\t" /* LOGOUT */
: "=&r" (retval),
"+r" (old), "+r" (new) /* old or new can be r15 */
: "r" (m)
: "memory" , "r0", "r1", "t");
return retval;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stuart Menefy | 41 | 87.23% | 1 | 50.00% |
| Srinivas Kandagatla | 6 | 12.77% | 1 | 50.00% |
| Total | 47 | 100.00% | 2 | 100.00% |
#endif /* __ASM_SH_CMPXCHG_GRB_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stuart Menefy | 128 | 69.57% | 1 | 25.00% |
| Michael S. Tsirkin | 43 | 23.37% | 1 | 25.00% |
| Srinivas Kandagatla | 12 | 6.52% | 1 | 25.00% |
| Greg Kroah-Hartman | 1 | 0.54% | 1 | 25.00% |
| Total | 184 | 100.00% | 4 | 100.00% |
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