81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
/*-
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* This file is in the public domain.
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*
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* from: src/sys/alpha/include/pmc_mdep.h,v 1.2 2005/06/09 19:45:06 jkoshy
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* $FreeBSD$
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*/
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#ifndef _MACHINE_PMC_MDEP_H_
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#define _MACHINE_PMC_MDEP_H_
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#define PMC_MDEP_CLASS_INDEX_MIPS 1
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union pmc_md_op_pmcallocate {
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uint64_t __pad[4];
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};
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/* Logging */
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#if defined(__mips_n64)
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#define PMCLOG_READADDR PMCLOG_READ64
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#define PMCLOG_EMITADDR PMCLOG_EMIT64
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#else
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#define PMCLOG_READADDR PMCLOG_READ32
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#define PMCLOG_EMITADDR PMCLOG_EMIT32
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#endif
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#if _KERNEL
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/*
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* MIPS event codes are encoded with a select bit. The
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* select bit is used when writing to CP0 so that we
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* can select either counter 0/2 or 1/3. The cycle
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* and instruction counters are special in that they
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* can be counted on either 0/2 or 1/3.
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*/
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#define MIPS_CTR_ALL 255 /* Count events in any counter. */
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#define MIPS_CTR_0 0 /* Counter 0 Event */
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#define MIPS_CTR_1 1 /* Counter 1 Event */
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struct mips_event_code_map {
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uint32_t pe_ev; /* enum value */
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uint8_t pe_counter; /* Which counter this can be counted in. */
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uint8_t pe_code; /* numeric code */
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};
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struct mips_pmc_spec {
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uint32_t ps_cpuclass;
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uint32_t ps_cputype;
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uint32_t ps_capabilities;
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int ps_counter_width;
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};
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union pmc_md_pmc {
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uint32_t pm_mips_evsel;
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};
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#define PMC_TRAPFRAME_TO_PC(TF) ((TF)->pc)
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extern const struct mips_event_code_map mips_event_codes[];
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extern const int mips_event_codes_size;
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extern int mips_npmcs;
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extern struct mips_pmc_spec mips_pmc_spec;
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/*
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* Prototypes
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*/
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struct pmc_mdep *pmc_mips_initialize(void);
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void pmc_mips_finalize(struct pmc_mdep *_md);
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/*
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* CPU-specific functions
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*/
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uint32_t mips_get_perfctl(int cpu, int ri, uint32_t event, uint32_t caps);
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uint64_t mips_pmcn_read(unsigned int pmc);
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uint64_t mips_pmcn_write(unsigned int pmc, uint64_t v);
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#endif /* _KERNEL */
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#endif /* !_MACHINE_PMC_MDEP_H_ */
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