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 * $FreeBSD$ 27 */ 28 29 #ifndef _MACHINE_PMC_MDEP_H_ 30 #define _MACHINE_PMC_MDEP_H_ 31 32 #define PMC_MDEP_CLASS_INDEX_XSCALE 1 33 /* 34 * On the ARM platform we support the following PMCs. 35 * 36 * XSCALE Intel XScale processors 37 */ 38 #include <dev/hwpmc/hwpmc_xscale.h> 39 40 union pmc_md_op_pmcallocate { 41 uint64_t __pad[4]; 42 }; 43 44 /* Logging */ 45 #define PMCLOG_READADDR PMCLOG_READ32 46 #define PMCLOG_EMITADDR PMCLOG_EMIT32 47 48 #ifdef _KERNEL 49 union pmc_md_pmc { 50 struct pmc_md_xscale_pmc pm_xscale; 51 }; 52 53 #define PMC_IN_KERNEL_STACK(S,START,END) \ 54 ((S) >= (START) && (S) < (END)) 55 #define PMC_IN_KERNEL(va) (((va) >= USRSTACK) && \ 56 ((va) < VM_MAX_KERNEL_ADDRESS)) 57 58 #define PMC_IN_USERSPACE(va) ((va) <= VM_MAXUSER_ADDRESS) 59 60 #define PMC_TRAPFRAME_TO_PC(TF) ((TF)->tf_pc) 61 #define PMC_TRAPFRAME_TO_FP(TF) ((TF)->tf_r11) 62 #define PMC_TRAPFRAME_TO_SVC_SP(TF) ((TF)->tf_svc_sp) 63 #define PMC_TRAPFRAME_TO_USR_SP(TF) ((TF)->tf_usr_sp) 64 65 /* Build a fake kernel trapframe from current instruction pointer. */ 66 #define PMC_FAKE_TRAPFRAME(TF) \ 67 do { \ 68 __asm __volatile("mov %0, pc" : "=r" ((TF)->tf_pc)); \ 69 } while (0) 70 71 /* 72 * Prototypes 73 */ 74 struct pmc_mdep *pmc_xscale_initialize(void); 75 void pmc_xscale_finalize(struct pmc_mdep *_md); 76 #endif /* _KERNEL */ 77 78 #endif /* !_MACHINE_PMC_MDEP_H_ */ 79