Release 4.14 arch/sh/include/asm/bitops-llsc.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_BITOPS_LLSC_H
#define __ASM_SH_BITOPS_LLSC_H
static inline void set_bit(int nr, volatile void *addr)
{
int mask;
volatile unsigned int *a = addr;
unsigned long tmp;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%1, %0 ! set_bit \n\t"
"or %2, %0 \n\t"
"movco.l %0, @%1 \n\t"
"bf 1b \n\t"
: "=&z" (tmp)
: "r" (a), "r" (mask)
: "t", "memory"
);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Paul Mundt | 48 | 97.96% | 1 | 50.00% |
| Matt Fleming | 1 | 2.04% | 1 | 50.00% |
| Total | 49 | 100.00% | 2 | 100.00% |
static inline void clear_bit(int nr, volatile void *addr)
{
int mask;
volatile unsigned int *a = addr;
unsigned long tmp;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%1, %0 ! clear_bit \n\t"
"and %2, %0 \n\t"
"movco.l %0, @%1 \n\t"
"bf 1b \n\t"
: "=&z" (tmp)
: "r" (a), "r" (~mask)
: "t", "memory"
);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Paul Mundt | 48 | 97.96% | 1 | 50.00% |
| Matt Fleming | 1 | 2.04% | 1 | 50.00% |
| Total | 49 | 100.00% | 2 | 100.00% |
static inline void change_bit(int nr, volatile void *addr)
{
int mask;
volatile unsigned int *a = addr;
unsigned long tmp;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%1, %0 ! change_bit \n\t"
"xor %2, %0 \n\t"
"movco.l %0, @%1 \n\t"
"bf 1b \n\t"
: "=&z" (tmp)
: "r" (a), "r" (mask)
: "t", "memory"
);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Paul Mundt | 48 | 97.96% | 1 | 50.00% |
| Matt Fleming | 1 | 2.04% | 1 | 50.00% |
| Total | 49 | 100.00% | 2 | 100.00% |
static inline int test_and_set_bit(int nr, volatile void *addr)
{
int mask, retval;
volatile unsigned int *a = addr;
unsigned long tmp;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%2, %0 ! test_and_set_bit \n\t"
"mov %0, %1 \n\t"
"or %3, %0 \n\t"
"movco.l %0, @%2 \n\t"
"bf 1b \n\t"
"and %3, %1 \n\t"
: "=&z" (tmp), "=&r" (retval)
: "r" (a), "r" (mask)
: "t", "memory"
);
return retval != 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Paul Mundt | 55 | 98.21% | 1 | 50.00% |
| Matt Fleming | 1 | 1.79% | 1 | 50.00% |
| Total | 56 | 100.00% | 2 | 100.00% |
static inline int test_and_clear_bit(int nr, volatile void *addr)
{
int mask, retval;
volatile unsigned int *a = addr;
unsigned long tmp;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%2, %0 ! test_and_clear_bit \n\t"
"mov %0, %1 \n\t"
"and %4, %0 \n\t"
"movco.l %0, @%2 \n\t"
"bf 1b \n\t"
"and %3, %1 \n\t"
"synco \n\t"
: "=&z" (tmp), "=&r" (retval)
: "r" (a), "r" (mask), "r" (~mask)
: "t", "memory"
);
return retval != 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Paul Mundt | 55 | 98.21% | 1 | 50.00% |
| Matt Fleming | 1 | 1.79% | 1 | 50.00% |
| Total | 56 | 100.00% | 2 | 100.00% |
static inline int test_and_change_bit(int nr, volatile void *addr)
{
int mask, retval;
volatile unsigned int *a = addr;
unsigned long tmp;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
__asm__ __volatile__ (
"1: \n\t"
"movli.l @%2, %0 ! test_and_change_bit \n\t"
"mov %0, %1 \n\t"
"xor %3, %0 \n\t"
"movco.l %0, @%2 \n\t"
"bf 1b \n\t"
"and %3, %1 \n\t"
"synco \n\t"
: "=&z" (tmp), "=&r" (retval)
: "r" (a), "r" (mask)
: "t", "memory"
);
return retval != 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Paul Mundt | 55 | 98.21% | 1 | 50.00% |
| Matt Fleming | 1 | 1.79% | 1 | 50.00% |
| Total | 56 | 100.00% | 2 | 100.00% |
#include <asm-generic/bitops/non-atomic.h>
#endif /* __ASM_SH_BITOPS_LLSC_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Paul Mundt | 321 | 97.87% | 2 | 50.00% |
| Matt Fleming | 6 | 1.83% | 1 | 25.00% |
| Greg Kroah-Hartman | 1 | 0.30% | 1 | 25.00% |
| Total | 328 | 100.00% | 4 | 100.00% |
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