mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-17 01:04:19 +08:00
1aafd90912
revise anomaly handling by basing things on the compiler not the kconfig defines, so the header is stable and usable outside of the kernel. This also allows us to move some code from preprocessing to compiling (gcc culls dead code) which should help with code quality (readability, catch minor bugs, etc...). Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
109 lines
2.2 KiB
C
109 lines
2.2 KiB
C
/*
|
|
* Common header file for blackfin family of processors.
|
|
*
|
|
*/
|
|
|
|
#ifndef _BLACKFIN_H_
|
|
#define _BLACKFIN_H_
|
|
|
|
#define LO(con32) ((con32) & 0xFFFF)
|
|
#define lo(con32) ((con32) & 0xFFFF)
|
|
#define HI(con32) (((con32) >> 16) & 0xFFFF)
|
|
#define hi(con32) (((con32) >> 16) & 0xFFFF)
|
|
|
|
#include <asm/mach/blackfin.h>
|
|
#include <asm/bfin-global.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
/* SSYNC implementation for C file */
|
|
static inline void SSYNC(void)
|
|
{
|
|
int _tmp;
|
|
if (ANOMALY_05000312 && ANOMALY_05000244)
|
|
__asm__ __volatile__(
|
|
"cli %0;"
|
|
"nop;"
|
|
"nop;"
|
|
"ssync;"
|
|
"sti %0;"
|
|
: "=d" (_tmp)
|
|
);
|
|
else if (ANOMALY_05000312 && !ANOMALY_05000244)
|
|
__asm__ __volatile__(
|
|
"cli %0;"
|
|
"ssync;"
|
|
"sti %0;"
|
|
: "=d" (_tmp)
|
|
);
|
|
else if (!ANOMALY_05000312 && ANOMALY_05000244)
|
|
__asm__ __volatile__(
|
|
"nop;"
|
|
"nop;"
|
|
"nop;"
|
|
"ssync;"
|
|
);
|
|
else
|
|
__asm__ __volatile__("ssync;");
|
|
}
|
|
|
|
/* CSYNC implementation for C file */
|
|
static inline void CSYNC(void)
|
|
{
|
|
int _tmp;
|
|
if (ANOMALY_05000312 && ANOMALY_05000244)
|
|
__asm__ __volatile__(
|
|
"cli %0;"
|
|
"nop;"
|
|
"nop;"
|
|
"csync;"
|
|
"sti %0;"
|
|
: "=d" (_tmp)
|
|
);
|
|
else if (ANOMALY_05000312 && !ANOMALY_05000244)
|
|
__asm__ __volatile__(
|
|
"cli %0;"
|
|
"csync;"
|
|
"sti %0;"
|
|
: "=d" (_tmp)
|
|
);
|
|
else if (!ANOMALY_05000312 && ANOMALY_05000244)
|
|
__asm__ __volatile__(
|
|
"nop;"
|
|
"nop;"
|
|
"nop;"
|
|
"ssync;"
|
|
);
|
|
else
|
|
__asm__ __volatile__("csync;");
|
|
}
|
|
|
|
#else /* __ASSEMBLY__ */
|
|
|
|
/* SSYNC & CSYNC implementations for assembly files */
|
|
|
|
#define ssync(x) SSYNC(x)
|
|
#define csync(x) CSYNC(x)
|
|
|
|
#if ANOMALY_05000312 && ANOMALY_05000244
|
|
#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
|
|
#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
|
|
|
|
#elif ANOMALY_05000312 && !ANOMALY_05000244
|
|
#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
|
|
#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
|
|
|
|
#elif !ANOMALY_05000312 && ANOMALY_05000244
|
|
#define SSYNC(scratch) nop; nop; nop; SSYNC;
|
|
#define CSYNC(scratch) nop; nop; nop; CSYNC;
|
|
|
|
#elif !ANOMALY_05000312 && !ANOMALY_05000244
|
|
#define SSYNC(scratch) SSYNC;
|
|
#define CSYNC(scratch) CSYNC;
|
|
|
|
#endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* _BLACKFIN_H_ */
|