acpi_wakeup_low.S revision 1.2
1 1.2 jmcneill /* $NetBSD: acpi_wakeup_low.S,v 1.2 2007/12/09 20:27:42 jmcneill Exp $ */ 2 1.2 jmcneill 3 1.2 jmcneill /*- 4 1.2 jmcneill * Copyright (c) 2007 Joerg Sonnenberger <joerg (at) netbsd.org> 5 1.2 jmcneill * Copyright (c) 2001 Takanori Watanabe <takawata (at) jp.freebsd.org> 6 1.2 jmcneill * Copyright (c) 2001 Mitsuru IWASAKI <iwasaki (at) jp.freebsd.org> 7 1.2 jmcneill * All rights reserved. 8 1.2 jmcneill * 9 1.2 jmcneill * Redistribution and use in source and binary forms, with or without 10 1.2 jmcneill * modification, are permitted provided that the following conditions 11 1.2 jmcneill * are met: 12 1.2 jmcneill * 1. Redistributions of source code must retain the above copyright 13 1.2 jmcneill * notice, this list of conditions and the following disclaimer. 14 1.2 jmcneill * 2. Redistributions in binary form must reproduce the above copyright 15 1.2 jmcneill * notice, this list of conditions and the following disclaimer in the 16 1.2 jmcneill * documentation and/or other materials provided with the distribution. 17 1.2 jmcneill * 18 1.2 jmcneill * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 1.2 jmcneill * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 1.2 jmcneill * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 1.2 jmcneill * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 1.2 jmcneill * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 1.2 jmcneill * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 1.2 jmcneill * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 1.2 jmcneill * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 1.2 jmcneill * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 1.2 jmcneill * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 1.2 jmcneill * SUCH DAMAGE. 29 1.2 jmcneill */ 30 1.2 jmcneill 31 1.2 jmcneill #include "assym.h" 32 1.2 jmcneill #include <machine/asm.h> 33 1.2 jmcneill #include <machine/specialreg.h> 34 1.2 jmcneill 35 1.2 jmcneill .text 36 1.2 jmcneill .p2align 2, 0x90 37 1.2 jmcneill .globl acpi_md_sleep_exit 38 1.2 jmcneill acpi_md_sleep_exit: 39 1.2 jmcneill lgdt r_gdt 40 1.2 jmcneill 41 1.2 jmcneill xorw %ax,%ax 42 1.2 jmcneill movw %ax,%fs 43 1.2 jmcneill movw %ax,%gs 44 1.2 jmcneill 45 1.2 jmcneill movl $MSR_EFER,%ecx 46 1.2 jmcneill movl r_msr_efer,%eax 47 1.2 jmcneill wrmsr 48 1.2 jmcneill 49 1.2 jmcneill movl $MSR_FSBASE,%ecx 50 1.2 jmcneill movl r_fs_base_l,%eax 51 1.2 jmcneill movl r_fs_base_h,%edx 52 1.2 jmcneill wrmsr 53 1.2 jmcneill 54 1.2 jmcneill movl $MSR_GSBASE,%ecx 55 1.2 jmcneill movl r_gs_base_l,%eax 56 1.2 jmcneill movl r_gs_base_h,%edx 57 1.2 jmcneill wrmsr 58 1.2 jmcneill 59 1.2 jmcneill movl $MSR_KERNELGSBASE,%ecx 60 1.2 jmcneill movl r_gs_kernelbase_l,%eax 61 1.2 jmcneill movl r_gs_kernelbase_h,%edx 62 1.2 jmcneill wrmsr 63 1.2 jmcneill 64 1.2 jmcneill movq r_cr8,%rax 65 1.2 jmcneill movq %rax,%cr8 66 1.2 jmcneill movq r_cr4,%rax 67 1.2 jmcneill movq %rax,%cr4 68 1.2 jmcneill movq r_cr3,%rax 69 1.2 jmcneill movq %rax,%cr3 70 1.2 jmcneill movq r_cr2,%rax 71 1.2 jmcneill movq %rax,%cr2 72 1.2 jmcneill movq r_cr0,%rax 73 1.2 jmcneill movq %rax,%cr0 74 1.2 jmcneill 75 1.2 jmcneill jmp 1f 76 1.2 jmcneill 1: 77 1.2 jmcneill 78 1.2 jmcneill movq CPUVAR(GDT),%rax 79 1.2 jmcneill movq %rax, r_save_gdt 80 1.2 jmcneill movzwq r_tr,%rdx 81 1.2 jmcneill andq $~0x0200,4(%rax,%rdx, 1) 82 1.2 jmcneill 83 1.2 jmcneill ltr %dx 84 1.2 jmcneill lldt r_ldt 85 1.2 jmcneill lidt r_idt 86 1.2 jmcneill 87 1.2 jmcneill movq r_rsp,%rsp 88 1.2 jmcneill 89 1.2 jmcneill movq r_rbx,%rbx 90 1.2 jmcneill movq r_rbp,%rbp 91 1.2 jmcneill movq r_r12,%r12 92 1.2 jmcneill movq r_r13,%r13 93 1.2 jmcneill movq r_r14,%r14 94 1.2 jmcneill movq r_r15,%r15 95 1.2 jmcneill 96 1.2 jmcneill movq ret_addr,%rax 97 1.2 jmcneill movq %rax,(%rsp) 98 1.2 jmcneill xorq %rax,%rax 99 1.2 jmcneill 100 1.2 jmcneill pushq r_rfl 101 1.2 jmcneill popfq 102 1.2 jmcneill ret 103 1.2 jmcneill 104 1.2 jmcneill .p2align 2, 0x90 105 1.2 jmcneill .type acpi_md_sleep_prepare, @function 106 1.2 jmcneill .globl acpi_md_sleep_prepare 107 1.2 jmcneill acpi_md_sleep_prepare: 108 1.2 jmcneill movq %rbx,r_rbx 109 1.2 jmcneill movq %rbp,r_rbp 110 1.2 jmcneill movq %r12,r_r12 111 1.2 jmcneill movq %r13,r_r13 112 1.2 jmcneill movq %r14,r_r14 113 1.2 jmcneill movq %r15,r_r15 114 1.2 jmcneill 115 1.2 jmcneill movq %cr0,%rax 116 1.2 jmcneill movq %rax,r_cr0 117 1.2 jmcneill movq %cr2,%rax 118 1.2 jmcneill movq %rax,r_cr2 119 1.2 jmcneill movq %cr3,%rax 120 1.2 jmcneill movq %rax,r_cr3 121 1.2 jmcneill movq %cr4,%rax 122 1.2 jmcneill movq %rax,r_cr4 123 1.2 jmcneill movq %cr8,%rax 124 1.2 jmcneill movq %rax,r_cr8 125 1.2 jmcneill 126 1.2 jmcneill pushfq 127 1.2 jmcneill popq r_rfl 128 1.2 jmcneill 129 1.2 jmcneill movq %rsp,r_rsp 130 1.2 jmcneill 131 1.2 jmcneill movl $MSR_FSBASE,%ecx 132 1.2 jmcneill rdmsr 133 1.2 jmcneill movl %eax,r_fs_base_l 134 1.2 jmcneill movl %edx,r_fs_base_h 135 1.2 jmcneill 136 1.2 jmcneill movl $MSR_GSBASE,%ecx 137 1.2 jmcneill rdmsr 138 1.2 jmcneill movl %eax,r_gs_base_l 139 1.2 jmcneill movl %edx,r_gs_base_h 140 1.2 jmcneill 141 1.2 jmcneill movl $MSR_KERNELGSBASE,%ecx 142 1.2 jmcneill rdmsr 143 1.2 jmcneill movl %eax,r_gs_kernelbase_l 144 1.2 jmcneill movl %edx,r_gs_kernelbase_h 145 1.2 jmcneill 146 1.2 jmcneill movl $MSR_EFER,%ecx 147 1.2 jmcneill rdmsr 148 1.2 jmcneill movl %eax,r_msr_efer 149 1.2 jmcneill 150 1.2 jmcneill sgdt r_gdt 151 1.2 jmcneill sidt r_idt 152 1.2 jmcneill sldt r_ldt 153 1.2 jmcneill str r_tr 154 1.2 jmcneill 155 1.2 jmcneill movq (%rsp),%rax 156 1.2 jmcneill movq %rax,ret_addr 157 1.2 jmcneill 158 1.2 jmcneill call acpi_md_sleep_enter 159 1.2 jmcneill /* acpi_md_sleep_enter only returns on failure. */ 160 1.2 jmcneill movl $-1,%eax 161 1.2 jmcneill ret 162 1.2 jmcneill 163 1.2 jmcneill .data 164 1.2 jmcneill .align 16 165 1.2 jmcneill 166 1.2 jmcneill r_tr: .word 0 167 1.2 jmcneill r_ldt: .word 0 168 1.2 jmcneill 169 1.2 jmcneill r_fs_base_l: 170 1.2 jmcneill .long 0 171 1.2 jmcneill r_fs_base_h: 172 1.2 jmcneill .long 0 173 1.2 jmcneill r_gs_base_l: 174 1.2 jmcneill .long 0 175 1.2 jmcneill r_gs_base_h: 176 1.2 jmcneill .long 0 177 1.2 jmcneill r_gs_kernelbase_l: 178 1.2 jmcneill .long 0 179 1.2 jmcneill r_gs_kernelbase_h: 180 1.2 jmcneill .long 0 181 1.2 jmcneill r_msr_efer: 182 1.2 jmcneill .long 0 183 1.2 jmcneill r_rbx: .quad 0 184 1.2 jmcneill r_rbp: .quad 0 185 1.2 jmcneill r_rsp: .quad 0 186 1.2 jmcneill r_r12: .quad 0 187 1.2 jmcneill r_r13: .quad 0 188 1.2 jmcneill r_r14: .quad 0 189 1.2 jmcneill r_r15: .quad 0 190 1.2 jmcneill r_rfl: .quad 0 191 1.2 jmcneill 192 1.2 jmcneill r_cr0: .quad 0 193 1.2 jmcneill r_cr2: .quad 0 194 1.2 jmcneill r_cr3: .quad 0 195 1.2 jmcneill r_cr4: .quad 0 196 1.2 jmcneill r_cr8: .quad 0 197 1.2 jmcneill 198 1.2 jmcneill r_gdt: .word 0 199 1.2 jmcneill .quad 0 200 1.2 jmcneill r_idt: .word 0 201 1.2 jmcneill .quad 0 202 1.2 jmcneill 203 1.2 jmcneill ret_addr: .quad 0 204 1.2 jmcneill r_save_gdt: .quad 0 205
Indexes created Mon Sep 29 21:09:56 GMT 2025