cpuvar.h revision 1.18
1 /* $NetBSD: cpuvar.h,v 1.18 2015/06/16 06:51:16 matt 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 #include <sys/bus.h> 41 #include <prop/proplib.h> 42 #include <powerpc/psl.h> 43 44 struct cpunode_softc { 45 device_t sc_dev; 46 u_int sc_children; 47 }; 48 49 struct cpu_softc { 50 struct cpu_info *cpu_ci; 51 struct evcnt *cpu_evcnt_intrs; 52 bus_space_tag_t cpu_bst; 53 bus_space_tag_t cpu_le_bst; 54 bus_space_handle_t cpu_bsh; 55 bus_addr_t cpu_clock_gtbcr; 56 57 paddr_t cpu_highmem; 58 59 u_int cpu_pcpls[5]; 60 struct evcnt cpu_evcnt_spurious_intr; 61 62 struct evcnt cpu_ev_late_clock; 63 u_long cpu_ticks_per_clock_intr; 64 struct evcnt cpu_ev_exec_trap_sync; 65 66 uint64_t cpu_spl_tb[NIPL][NIPL]; 67 }; 68 69 struct cpunode_locators { 70 const char *cnl_name; 71 bus_addr_t cnl_addr; 72 bus_size_t cnl_size; 73 uint8_t cnl_instance; 74 uint8_t cnl_nintr; 75 uint8_t cnl_intrs[4]; 76 uint32_t cnl_flags; 77 uint16_t cnl_ids[6]; 78 }; 79 80 struct cpunode_attach_args { 81 const char *cna_busname; 82 bus_space_tag_t cna_memt; 83 bus_space_tag_t cna_le_memt; 84 bus_dma_tag_t cna_dmat; 85 struct cpunode_locators cna_locs; 86 u_int cna_childmask; 87 }; 88 89 struct mainbus_attach_args { 90 const char *ma_name; 91 bus_space_tag_t ma_memt; 92 bus_space_tag_t ma_le_memt; 93 bus_dma_tag_t ma_dmat; 94 int ma_node; 95 }; 96 97 struct generic_attach_args { 98 const char *ga_name; 99 bus_space_tag_t ga_bst; 100 bus_dma_tag_t ga_dmat; 101 bus_addr_t ga_addr; 102 bus_size_t ga_size; 103 int ga_cs; 104 int ga_irq; 105 }; 106 107 #ifndef __BSD_PT_ENTRY_T 108 #define __BSD_PT_ENTRY_T __uint32_t 109 typedef __BSD_PT_ENTRY_T pt_entry_t; 110 #define PRIxPTE PRIx32 111 #endif 112 113 #include <uvm/pmap/tlb.h> 114 115 struct tlb_md_io_ops { 116 /* 117 * We need mapiodev to be first so we can easily override it in 118 * early boot by doing cpu_md_ops.tlb_md_ops = (const struct 119 * tlb_md_ops *) &<variable containing mapiodev pointer>. 120 */ 121 void *(*md_tlb_mapiodev)(paddr_t, psize_t, bool); 122 void (*md_tlb_unmapiodev)(vaddr_t, vsize_t); 123 int (*md_tlb_ioreserve)(vaddr_t, vsize_t, uint32_t); 124 int (*md_tlb_iorelease)(vaddr_t); 125 }; 126 127 struct cpu_md_ops { 128 const struct cpunode_locators *md_cpunode_locs; 129 void (*md_cpu_attach)(device_t, u_int); 130 131 void (*md_device_register)(device_t, void *); 132 void (*md_cpu_startup)(void); 133 void (*md_cpu_reset)(void); 134 void (*md_cpunode_attach)(device_t, device_t, void *); 135 136 const struct tlb_md_ops *md_tlb_ops; 137 const struct tlb_md_io_ops *md_tlb_io_ops; 138 }; 139 140 141 #ifdef _KERNEL 142 143 static inline register_t 144 wrtee(register_t msr) 145 { 146 register_t old_msr; 147 __asm("mfmsr\t%0" : "=r"(old_msr)); 148 149 if (__builtin_constant_p(msr)) { 150 __asm __volatile("wrteei\t%0" :: "n"((msr & PSL_EE) ? 1 : 0)); 151 } else { 152 __asm __volatile("wrtee\t%0" :: "r"(msr)); 153 } 154 return old_msr; 155 } 156 157 uint32_t ufetch_32(const void *); 158 159 struct trapframe; 160 void booke_sstep(struct trapframe *); 161 162 void booke_cpu_startup(const char *); /* model name */ 163 extern struct powerpc_bus_dma_tag booke_bus_dma_tag; 164 165 extern struct cpu_info cpu_info[]; 166 #ifdef MULTIPROCESSOR 167 extern volatile struct cpu_hatch_data cpu_hatch_data; 168 #endif 169 170 void cpu_evcnt_attach(struct cpu_info *); 171 uint32_t cpu_read_4(bus_size_t); 172 uint8_t cpu_read_1(bus_size_t); 173 void cpu_write_4(bus_size_t, uint32_t); 174 void cpu_write_1(bus_size_t, uint8_t); 175 176 void dump_splhist(struct cpu_info *, void (*)(const char *, ...)); 177 void calc_delayconst(void); 178 179 struct intrsw; 180 void exception_init(const struct intrsw *); 181 182 void *tlb_mapiodev(paddr_t, psize_t, bool); 183 void tlb_unmapiodev(vaddr_t, vsize_t); 184 int tlb_ioreserve(vaddr_t, vsize_t, pt_entry_t); 185 int tlb_iorelease(vaddr_t); 186 187 extern struct cpu_md_ops cpu_md_ops; 188 189 void board_info_init(void); 190 void board_info_add_number(const char *, uint64_t); 191 void board_info_add_data(const char *, const void *, size_t); 192 void board_info_add_string(const char *, const char *); 193 void board_info_add_bool(const char *); 194 void board_info_add_object(const char *, void *); 195 uint64_t board_info_get_number(const char *); 196 bool board_info_get_bool(const char *); 197 void *board_info_get_object(const char *); 198 const void * 199 board_info_get_data(const char *, size_t *); 200 201 /* trap.c */ 202 void dump_trapframe(const struct trapframe *, void (*)(const char *, ...)); 203 204 extern char root_string[]; 205 extern paddr_t msgbuf_paddr; 206 extern prop_dictionary_t board_properties; 207 extern psize_t pmemsize; 208 #endif 209 210 #endif /* !_POWERPC_BOOKE_CPUVAR_H_ */ 211
Indexes created Tue Oct 14 08:09:56 GMT 2025