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 #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 (TF)->tf_spsr = PSR_SVC32_MODE; \ 74 __asm __volatile("mov %0, pc" : "=r" ((TF)->tf_pc)); \ 75 __asm __volatile("mov %0, r11" : "=r" ((TF)->tf_r11)); \ 76 } while (0) 77 78 /* 79 * Prototypes 80 */ 81 struct pmc_mdep *pmc_xscale_initialize(void); 82 void pmc_xscale_finalize(struct pmc_mdep *_md); 83 struct pmc_mdep *pmc_armv7_initialize(void); 84 void pmc_armv7_finalize(struct pmc_mdep *_md); 85 #endif /* _KERNEL */ 86 87 #endif /* !_MACHINE_PMC_MDEP_H_ */ 88