1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009 Rui Paulo <rpaulo@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _MACHINE_PMC_MDEP_H_ 32 #define _MACHINE_PMC_MDEP_H_ 33 34 #define PMC_MDEP_CLASS_INDEX_XSCALE 1 35 #define PMC_MDEP_CLASS_INDEX_ARMV7 1 36 /* 37 * On the ARM platform we support the following PMCs. 38 * 39 * XSCALE Intel XScale processors 40 * ARMV7 ARM Cortex-A processors 41 */ 42 #include <dev/hwpmc/hwpmc_xscale.h> 43 #include <dev/hwpmc/hwpmc_armv7.h> 44 45 union pmc_md_op_pmcallocate { 46 uint64_t __pad[4]; 47 }; 48 49 /* Logging */ 50 #define PMCLOG_READADDR PMCLOG_READ32 51 #define PMCLOG_EMITADDR PMCLOG_EMIT32 52 53 #ifdef _KERNEL 54 union pmc_md_pmc { 55 struct pmc_md_xscale_pmc pm_xscale; 56 struct pmc_md_armv7_pmc pm_armv7; 57 }; 58 59 #define PMC_IN_KERNEL_STACK(S,START,END) \ 60 ((S) >= (START) && (S) < (END)) 61 #define PMC_IN_KERNEL(va) INKERNEL((va)) 62 63 #define PMC_IN_USERSPACE(va) ((va) <= VM_MAXUSER_ADDRESS) 64 65 #define PMC_TRAPFRAME_TO_PC(TF) ((TF)->tf_pc) 66 #define PMC_TRAPFRAME_TO_FP(TF) ((TF)->tf_r11) 67 #define PMC_TRAPFRAME_TO_SVC_SP(TF) ((TF)->tf_svc_sp) 68 #define PMC_TRAPFRAME_TO_USR_SP(TF) ((TF)->tf_usr_sp) 69 #define PMC_TRAPFRAME_TO_SVC_LR(TF) ((TF)->tf_svc_lr) 70 #define PMC_TRAPFRAME_TO_USR_LR(TF) ((TF)->tf_usr_lr) 71 72 /* Build a fake kernel trapframe from current instruction pointer. */ 73 #define PMC_FAKE_TRAPFRAME(TF) \ 74 do { \ 75 (TF)->tf_spsr = PSR_SVC32_MODE; \ 76 __asm __volatile("mov %0, pc" : "=r" ((TF)->tf_pc)); \ 77 __asm __volatile("mov %0, r11" : "=r" ((TF)->tf_r11)); \ 78 } while (0) 79 80 /* 81 * Prototypes 82 */ 83 struct pmc_mdep *pmc_xscale_initialize(void); 84 void pmc_xscale_finalize(struct pmc_mdep *_md); 85 struct pmc_mdep *pmc_armv7_initialize(void); 86 void pmc_armv7_finalize(struct pmc_mdep *_md); 87 #endif /* _KERNEL */ 88 89 #endif /* !_MACHINE_PMC_MDEP_H_ */ 90