Release 4.11 arch/powerpc/include/asm/timex.h

#ifndef _ASM_POWERPC_TIMEX_H

#define _ASM_POWERPC_TIMEX_H

#ifdef __KERNEL__

/*
 * PowerPC architecture timex specifications
 */

#include <asm/cputable.h>
#include <asm/reg.h>


#define CLOCK_TICK_RATE	1024000 
/* Underlying HZ */


typedef unsigned long cycles_t;



static inline cycles_t get_cycles(void)
{
#ifdef __powerpc64__
	return mftb();
#else
	cycles_t ret;

	/*
         * For the "cycle" counter we use the timebase lower half.
         * Currently only used on SMP.
         */

	ret = 0;

	__asm__ __volatile__(
#ifdef CONFIG_8xx
		"97:    mftb %0\n"
#else
		"97:    mfspr %0, %2\n"
#endif
		"99:\n"
                ".section __ftr_fixup,\"a\"\n"
                ".align 2\n"
                "98:\n"
                "       .long %1\n"
                "       .long 0\n"
                "       .long 97b-98b\n"
                "       .long 99b-98b\n"
                "       .long 0\n"
                "       .long 0\n"
                ".previous"
#ifdef CONFIG_8xx
		: "=r" (ret) : "i" (CPU_FTR_601));
#else
		: "=r" (ret) : "i" (CPU_FTR_601), "i" (SPRN_TBRL));
Contributors
Person
Tokens
Prop
Commits
CommitProp
Christophe Leroy
34
55.74%
1
20.00%
Jon Loeliger
10
16.39%
1
20.00%
Linus Torvalds (pre-git)
8
13.11%
1
20.00%
Benjamin Herrenschmidt
7
11.48%
1
20.00%
Linus Torvalds
2
3.28%
1
20.00%
Total
61
100.00%
5
100.00%

#endif
	return ret;
#endif
}

#endif	/* __KERNEL__ */
#endif	/* _ASM_POWERPC_TIMEX_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Christophe Leroy
37
36.63%
1
11.11%
Linus Torvalds (pre-git)
30
29.70%
4
44.44%
Jon Loeliger
18
17.82%
1
11.11%
Benjamin Herrenschmidt
13
12.87%
2
22.22%
Linus Torvalds
3
2.97%
1
11.11%
Total
101
100.00%
9
100.00%
Directory: arch/powerpc/include/asm

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