788e6af37a
sys_cacheflush should return with EINVAL if the cache parameter is not one of ICACHE, DCACHE or BCACHE. So, we need to include 0 in the first check. It also adds the three definitions above as wrapper of the existent macros. PS: ltp cacheflush01 test now passes. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
19 lines
585 B
C
19 lines
585 B
C
#ifndef _SH_CACHECTL_H
|
|
#define _SH_CACHECTL_H
|
|
|
|
/* Definitions for the cacheflush system call. */
|
|
|
|
#define CACHEFLUSH_D_INVAL 0x1 /* invalidate (without write back) */
|
|
#define CACHEFLUSH_D_WB 0x2 /* write back (without invalidate) */
|
|
#define CACHEFLUSH_D_PURGE 0x3 /* writeback and invalidate */
|
|
|
|
#define CACHEFLUSH_I 0x4
|
|
|
|
/*
|
|
* Options for cacheflush system call
|
|
*/
|
|
#define ICACHE CACHEFLUSH_I /* flush instruction cache */
|
|
#define DCACHE CACHEFLUSH_D_PURGE /* writeback and flush data cache */
|
|
#define BCACHE (ICACHE|DCACHE) /* flush both caches */
|
|
|
|
#endif /* _SH_CACHECTL_H */
|