2 * Copyright (c) 2013 Justin Hibbits
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _DEV_HWPMC_POWERPC_H_
30 #define _DEV_HWPMC_POWERPC_H_ 1
34 #define POWERPC_PMC_CAPS (PMC_CAP_INTERRUPT | PMC_CAP_USER | \
35 PMC_CAP_SYSTEM | PMC_CAP_EDGE | \
36 PMC_CAP_THRESHOLD | PMC_CAP_READ | \
37 PMC_CAP_WRITE | PMC_CAP_INVERT | \
40 #define POWERPC_PMC_KERNEL_ENABLE (0x1 << 30)
41 #define POWERPC_PMC_USER_ENABLE (0x1 << 31)
43 #define POWERPC_PMC_ENABLE (POWERPC_PMC_KERNEL_ENABLE | POWERPC_PMC_USER_ENABLE)
44 #define POWERPC_RELOAD_COUNT_TO_PERFCTR_VALUE(V) (0x80000000-(V))
45 #define POWERPC_PERFCTR_VALUE_TO_RELOAD_COUNT(P) (0x80000000-(P))
48 struct pmc_hw *pc_ppcpmcs;
49 enum pmc_class pc_class;
52 extern struct powerpc_cpu **powerpc_pcpu;
54 extern int pmc_e500_initialize(struct pmc_mdep *pmc_mdep);
55 extern int pmc_mpc7xxx_initialize(struct pmc_mdep *pmc_mdep);
56 extern int pmc_ppc970_initialize(struct pmc_mdep *pmc_mdep);
58 extern int powerpc_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc);
59 extern int powerpc_get_config(int cpu, int ri, struct pmc **ppm);
62 #endif /* _DEV_HWPMC_POWERPC_H_ */