1 /*-
2 * Copyright (c) 2009 Rui Paulo <rpaulo@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
22 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
23 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/11.1/sys/arm/include/pmc_mdep.h 280737 2015-03-27 08:47:16Z bz $
27 */
28
29 #ifndef _MACHINE_PMC_MDEP_H_
30 #define _MACHINE_PMC_MDEP_H_
31
32 #define PMC_MDEP_CLASS_INDEX_XSCALE 1
33 #define PMC_MDEP_CLASS_INDEX_ARMV7 1
34 /*
35 * On the ARM platform we support the following PMCs.
36 *
37 * XSCALE Intel XScale processors
38 * ARMV7 ARM Cortex-A processors
39 */
40 #include <dev/hwpmc/hwpmc_xscale.h>
41 #include <dev/hwpmc/hwpmc_armv7.h>
42
43 union pmc_md_op_pmcallocate {
44 uint64_t __pad[4];
45 };
46
47 /* Logging */
48 #define PMCLOG_READADDR PMCLOG_READ32
49 #define PMCLOG_EMITADDR PMCLOG_EMIT32
50
51 #ifdef _KERNEL
52 union pmc_md_pmc {
53 struct pmc_md_xscale_pmc pm_xscale;
54 struct pmc_md_armv7_pmc pm_armv7;
55 };
56
57 #define PMC_IN_KERNEL_STACK(S,START,END) \
58 ((S) >= (START) && (S) < (END))
59 #define PMC_IN_KERNEL(va) INKERNEL((va))
60
61 #define PMC_IN_USERSPACE(va) ((va) <= VM_MAXUSER_ADDRESS)
62
63 #define PMC_TRAPFRAME_TO_PC(TF) ((TF)->tf_pc)
64 #define PMC_TRAPFRAME_TO_FP(TF) ((TF)->tf_r11)
65 #define PMC_TRAPFRAME_TO_SVC_SP(TF) ((TF)->tf_svc_sp)
66 #define PMC_TRAPFRAME_TO_USR_SP(TF) ((TF)->tf_usr_sp)
67 #define PMC_TRAPFRAME_TO_SVC_LR(TF) ((TF)->tf_svc_lr)
68 #define PMC_TRAPFRAME_TO_USR_LR(TF) ((TF)->tf_usr_lr)
69
70 /* Build a fake kernel trapframe from current instruction pointer. */
71 #define PMC_FAKE_TRAPFRAME(TF) \
72 do { \
73 __asm __volatile("mov %0, pc" : "=r" ((TF)->tf_pc)); \
74 } while (0)
75
76 /*
77 * Prototypes
78 */
79 struct pmc_mdep *pmc_xscale_initialize(void);
80 void pmc_xscale_finalize(struct pmc_mdep *_md);
81 struct pmc_mdep *pmc_armv7_initialize(void);
82 void pmc_armv7_finalize(struct pmc_mdep *_md);
83 #endif /* _KERNEL */
84
85 #endif /* !_MACHINE_PMC_MDEP_H_ */
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