1 /* $NetBSD: cpuvar.h,v 1.21 2020/07/06 10:54:56 rin Exp $ */ 2 /*- 3 * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects 8 * Agency and which was developed by Matt Thomas of 3am Software Foundry. 9 * 10 * This material is based upon work supported by the Defense Advanced Research 11 * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under 12 * Contract No. N66001-09-C-2073. 13 * Approved for Public Release, Distribution Unlimited 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 #ifndef _POWERPC_BOOKE_CPUVAR_H_ 38 #define _POWERPC_BOOKE_CPUVAR_H_ 39 40 #ifdef _KERNEL_OPT 41 #include "opt_multiprocessor.h" 42 #endif 43 44 #include <sys/bus.h> 45 #include <prop/proplib.h> 46 #include <powerpc/psl.h> 47 48 struct cpunode_softc { 49 device_t sc_dev; 50 u_int sc_children; 51 }; 52 53 struct cpu_softc { 54 struct cpu_info *cpu_ci; 55 struct evcnt *cpu_evcnt_intrs; 56 bus_space_tag_t cpu_bst; 57 bus_space_tag_t cpu_le_bst; 58 bus_space_handle_t cpu_bsh; 59 bus_addr_t cpu_clock_gtbcr; 60 61 paddr_t cpu_highmem; 62 63 u_int cpu_pcpls[5]; 64 struct evcnt cpu_evcnt_spurious_intr; 65 66 struct evcnt cpu_ev_late_clock; 67 u_long cpu_ticks_per_clock_intr; 68 struct evcnt cpu_ev_exec_trap_sync; 69 70 uint64_t cpu_spl_tb[NIPL][NIPL]; 71 }; 72 73 struct cpunode_locators { 74 const char *cnl_name; 75 bus_addr_t cnl_addr; 76 bus_size_t cnl_size; 77 uint8_t cnl_instance; 78 uint8_t cnl_nintr; 79 uint8_t cnl_intrs[4]; 80 uint32_t cnl_flags; 81 uint16_t cnl_ids[6]; 82 }; 83 84 struct cpunode_attach_args { 85 const char *cna_busname; 86 bus_space_tag_t cna_memt; 87 bus_space_tag_t cna_le_memt; 88 bus_dma_tag_t cna_dmat; 89 struct cpunode_locators cna_locs; 90 u_int cna_childmask; 91 }; 92 93 struct mainbus_attach_args { 94 const char *ma_name; 95 bus_space_tag_t ma_memt; 96 bus_space_tag_t ma_le_memt; 97 bus_dma_tag_t ma_dmat; 98 int ma_node; 99 }; 100 101 struct generic_attach_args { 102 const char *ga_name; 103 bus_space_tag_t ga_bst; 104 bus_dma_tag_t ga_dmat; 105 bus_addr_t ga_addr; 106 bus_size_t ga_size; 107 int ga_cs; 108 int ga_irq; 109 }; 110 111 #ifndef __BSD_PT_ENTRY_T 112 #define __BSD_PT_ENTRY_T __uint32_t 113 typedef __BSD_PT_ENTRY_T pt_entry_t; 114 #define PRIxPTE PRIx32 115 #endif 116 117 #include <uvm/pmap/tlb.h> 118 119 struct tlb_md_io_ops { 120 /* 121 * We need mapiodev to be first so we can easily override it in 122 * early boot by doing cpu_md_ops.tlb_md_ops = (const struct 123 * tlb_md_ops *) &<variable containing mapiodev pointer>. 124 */ 125 void *(*md_tlb_mapiodev)(paddr_t, psize_t, bool); 126 void (*md_tlb_unmapiodev)(vaddr_t, vsize_t); 127 int (*md_tlb_ioreserve)(vaddr_t, vsize_t, uint32_t); 128 int (*md_tlb_iorelease)(vaddr_t); 129 }; 130 131 struct cpu_md_ops { 132 const struct cpunode_locators *md_cpunode_locs; 133 void (*md_cpu_attach)(device_t, u_int); 134 135 void (*md_device_register)(device_t, void *); 136 void (*md_cpu_startup)(void); 137 void (*md_cpu_reset)(void); 138 void (*md_cpunode_attach)(device_t, device_t, void *); 139 140 const struct tlb_md_ops *md_tlb_ops; 141 const struct tlb_md_io_ops *md_tlb_io_ops; 142 }; 143 144 145 #ifdef _KERNEL 146 147 static __inline register_t 148 wrtee(register_t msr) 149 { 150 register_t old_msr; 151 __asm("mfmsr\t%0" : "=r"(old_msr)); 152 153 if (__builtin_constant_p(msr)) { 154 __asm __volatile("wrteei\t%0" :: "n"((msr & PSL_EE) ? 1 : 0)); 155 } else { 156 __asm __volatile("wrtee\t%0" :: "r"(msr)); 157 } 158 return old_msr; 159 } 160 161 struct trapframe; 162 void booke_sstep(struct trapframe *); 163 164 void booke_cpu_startup(const char *); /* model name */ 165 extern struct powerpc_bus_dma_tag booke_bus_dma_tag; 166 167 extern struct cpu_info cpu_info[]; 168 #ifdef MULTIPROCESSOR 169 extern volatile struct cpu_hatch_data cpu_hatch_data; 170 #endif 171 172 void cpu_evcnt_attach(struct cpu_info *); 173 uint32_t cpu_read_4(bus_size_t); 174 uint8_t cpu_read_1(bus_size_t); 175 void cpu_write_4(bus_size_t, uint32_t); 176 void cpu_write_1(bus_size_t, uint8_t); 177 178 void dump_splhist(struct cpu_info *, void (*)(const char *, ...)); 179 void calc_delayconst(void); 180 181 struct intrsw; 182 void exception_init(const struct intrsw *); 183 184 void *tlb_mapiodev(paddr_t, psize_t, bool); 185 void tlb_unmapiodev(vaddr_t, vsize_t); 186 int tlb_ioreserve(vaddr_t, vsize_t, pt_entry_t); 187 int tlb_iorelease(vaddr_t); 188 189 extern struct cpu_md_ops cpu_md_ops; 190 191 void board_info_init(void); 192 void board_info_add_number(const char *, uint64_t); 193 void board_info_add_data(const char *, const void *, size_t); 194 void board_info_add_string(const char *, const char *); 195 void board_info_add_bool(const char *); 196 void board_info_add_object(const char *, void *); 197 uint64_t board_info_get_number(const char *); 198 bool board_info_get_bool(const char *); 199 void *board_info_get_object(const char *); 200 const void * 201 board_info_get_data(const char *, size_t *); 202 203 /* trap.c */ 204 void dump_trapframe(const struct trapframe *, void (*)(const char *, ...)); 205 206 extern char root_string[]; 207 extern paddr_t msgbuf_paddr; 208 extern prop_dictionary_t board_properties; 209 extern psize_t pmemsize; 210 #endif 211 212 #endif /* !_POWERPC_BOOKE_CPUVAR_H_ */ 213
Indexes created Sat Sep 20 22:09:52 GMT 2025