Contributors: 1
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Guo Ren |
109 |
100.00% |
1 |
100.00% |
| Total |
109 |
|
1 |
|
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
#include <linux/syscalls.h>
#include <asm/page.h>
#include <asm/cache.h>
#include <asm/cachectl.h>
SYSCALL_DEFINE3(cacheflush,
void __user *, addr,
unsigned long, bytes,
int, cache)
{
switch (cache) {
case ICACHE:
icache_inv_range((unsigned long)addr,
(unsigned long)addr + bytes);
break;
case DCACHE:
dcache_wb_range((unsigned long)addr,
(unsigned long)addr + bytes);
break;
case BCACHE:
cache_wbinv_range((unsigned long)addr,
(unsigned long)addr + bytes);
break;
default:
return -EINVAL;
}
return 0;
}