1 /*- 2 * Copyright (c) 2003-2007 Joseph Koshy 3 * Copyright (c) 2007 The FreeBSD Foundation 4 * All rights reserved. 5 * 6 * Portions of this software were developed by A. Joseph Koshy under 7 * sponsorship from the FreeBSD Foundation and Google, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 /* Machine dependent interfaces */ 34 35 #ifndef _MACHINE_PMC_MDEP_H 36 #define _MACHINE_PMC_MDEP_H 1 37 38 #include <dev/hwpmc/hwpmc_amd.h> 39 #include <dev/hwpmc/hwpmc_piv.h> 40 41 union pmc_md_op_pmcallocate { 42 struct pmc_md_amd_op_pmcallocate pm_amd; 43 struct pmc_md_p4_op_pmcallocate pm_p4; 44 uint64_t __pad[4]; 45 }; 46 47 /* Logging */ 48 #define PMCLOG_READADDR PMCLOG_READ64 49 #define PMCLOG_EMITADDR PMCLOG_EMIT64 50 51 #ifdef _KERNEL 52 53 union pmc_md_pmc { 54 struct pmc_md_amd_pmc pm_amd; 55 struct pmc_md_p4_pmc pm_p4; 56 }; 57 58 struct pmc; 59 60 #define PMC_TRAPFRAME_TO_PC(TF) ((TF)->tf_rip) 61 #define PMC_TRAPFRAME_TO_FP(TF) ((TF)->tf_rbp) 62 #define PMC_TRAPFRAME_TO_SP(TF) ((TF)->tf_rsp) 63 64 #define PMC_AT_FUNCTION_PROLOGUE_PUSH_BP(I) \ 65 (((I) & 0xffffffff) == 0xe5894855) /* pushq %rbp; movq %rsp,%rbp */ 66 #define PMC_AT_FUNCTION_PROLOGUE_MOV_SP_BP(I) \ 67 (((I) & 0x00ffffff) == 0x00e58948) /* movq %rsp,%rbp */ 68 #define PMC_AT_FUNCTION_EPILOGUE_RET(I) \ 69 (((I) & 0xFF) == 0xC3) /* ret */ 70 71 #define PMC_IN_TRAP_HANDLER(PC) \ 72 ((PC) >= (uintptr_t) start_exceptions && \ 73 (PC) < (uintptr_t) end_exceptions) 74 75 #define PMC_IN_KERNEL_STACK(S,START,END) \ 76 ((S) >= (START) && (S) < (END)) 77 #define PMC_IN_KERNEL(va) (((va) >= DMAP_MIN_ADDRESS && \ 78 (va) < DMAP_MAX_ADDRESS) || ((va) >= KERNBASE && \ 79 (va) < VM_MAX_KERNEL_ADDRESS)) 80 81 #define PMC_IN_USERSPACE(va) ((va) <= VM_MAXUSER_ADDRESS) 82 83 /* 84 * Prototypes 85 */ 86 87 void start_exceptions(void), end_exceptions(void); 88 void pmc_x86_lapic_enable_pmc_interrupt(void); 89 90 #endif 91 #endif /* _MACHINE_PMC_MDEP_H */ 92