1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _CPR_WC_H 28 #define _CPR_WC_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 #define WC_CODESIZE 0x400 35 36 #if ! defined(_ASM) 37 38 #include <sys/rm_platter.h> 39 #include <sys/psm_types.h> 40 41 typedef struct wc_cpu { 42 uint64_t wc_retaddr; 43 uint64_t wc_virtaddr; 44 uint64_t wc_cr0; 45 uint64_t wc_cr3; 46 uint64_t wc_cr4; 47 uint64_t wc_cr8; 48 uint64_t wc_fs; 49 uint64_t wc_fsbase; 50 uint64_t wc_gs; 51 uint64_t wc_gsbase; 52 uint64_t wc_kgsbase; 53 uint64_t wc_r8; 54 uint64_t wc_r9; 55 uint64_t wc_r10; 56 uint64_t wc_r11; 57 uint64_t wc_r12; 58 uint64_t wc_r13; 59 uint64_t wc_r14; 60 uint64_t wc_r15; 61 uint64_t wc_rax; 62 uint64_t wc_rbp; 63 uint64_t wc_rbx; 64 uint64_t wc_rcx; 65 uint64_t wc_rdi; 66 uint64_t wc_rdx; 67 uint64_t wc_rsi; 68 uint64_t wc_rsp; 69 70 #if defined(__amd64) 71 /* 72 * The compiler will want to 64-bit align the 64-bit rm_gdt_base 73 * pointer, so we need to add an extra four bytes of padding here to 74 * make sure rm_gdt_lim and rm_gdt_base will align to create a proper 75 * ten byte GDT pseudo-descriptor. 76 */ 77 uint32_t wc_gdt_pad1; 78 #endif 79 ushort_t wc_gdt_pad2; 80 ushort_t wc_gdt_limit; 81 user_desc_t *wc_gdt_base; 82 83 #if defined(__amd64) 84 /* 85 * The compiler will want to 64-bit align the 64-bit rm_idt_base 86 * pointer, so we need to add an extra four bytes of padding here to 87 * make sure rm_idt_lim and rm_idt_base will align to create a proper 88 * ten byte IDT pseudo-descriptor. 89 */ 90 uint32_t wc_idt_pad1; 91 #endif 92 ushort_t wc_idt_pad2; 93 ushort_t wc_idt_limit; 94 user_desc_t *wc_idt_base; 95 96 #if defined(__amd64) 97 uint64_t wc_tr; 98 uint64_t wc_ldt; 99 uint64_t wc_eflags; 100 #else 101 uint32_t wc_tr; 102 uint32_t wc_ldt; 103 uint32_t wc_eflags; 104 #endif 105 106 uint32_t wc_ebx; 107 uint32_t wc_edi; 108 uint32_t wc_esi; 109 uint32_t wc_ebp; 110 uint32_t wc_esp; 111 uint16_t wc_ss; 112 uint16_t wc_cs; 113 uint16_t wc_ds; 114 uint16_t wc_es; 115 psm_state_request_t wc_apic_state; 116 processorid_t wc_cpu_id; /* which CPU are we running on */ 117 greg_t *wc_saved_stack; /* pointer to where stack contents are saved */ 118 size_t wc_saved_stack_size; /* size of the saved stack */ 119 120 121 /* temp stack grows down to here */ 122 } wc_cpu_t; 123 124 typedef struct wc_wakecode { 125 rm_platter_t wc_platter; 126 wc_cpu_t wc_cpu; 127 128 /* temp stack grows down to here */ 129 } wakecode_t; 130 131 /* 132 * this is NOT correctly aligned, see description of idt & gdt, limit and 133 * base in wc_cpu_t above 134 */ 135 typedef struct wc_desctbr { 136 ushort_t limit; 137 void *base; 138 } wc_desctbr_t; 139 140 extern int wc_save_context(wc_cpu_t *); 141 extern void wc_rm_start(void); 142 extern void wc_rm_end(void); 143 extern void (*cpr_start_cpu_func)(void); 144 145 #endif /* ! defined(_ASM) */ 146 147 #define WC_STKSTART 0x7fc /* end of rm_platter page */ 148 149 #ifdef __cplusplus 150 } 151 #endif 152 153 #endif /* _CPR_WC_H */ 154