Release 4.9 tools/testing/selftests/powerpc/pmu/ebb/ebb_lmr.h

#ifndef _SELFTESTS_POWERPC_PMU_EBB_LMR_H

#define _SELFTESTS_POWERPC_PMU_EBB_LMR_H

#include "reg.h"

#ifndef PPC_FEATURE2_ARCH_3_00

#define PPC_FEATURE2_ARCH_3_00 0x00800000
#endif


#define lmr_is_supported() have_hwcap2(PPC_FEATURE2_ARCH_3_00)



static inline void ebb_lmr_reset(void)
{
	unsigned long bescr = mfspr(SPRN_BESCR);
	bescr &= ~(BESCR_LMEO);
	bescr |= BESCR_LME;
	mtspr(SPRN_BESCR, bescr);
}

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#define LDMX(t, a, b)\
	(0x7c00026a |                           \
         (((t) & 0x1f) << 21) |                 \
         (((a) & 0x1f) << 16) |                 \
         (((b) & 0x1f) << 11))



static inline unsigned long ldmx(unsigned long address)
{
	unsigned long ret;

	asm volatile ("mr 9, %1\r\n"
                      ".long " __stringify(LDMX(9, 0, 9)) "\r\n"
                      "mr %0, 9\r\n":"=r"(ret)
                      :"r"(address)
                      :"r9");

	return ret;
}

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#endif
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Directory: tools/testing/selftests/powerpc/pmu/ebb