acpi_wakeup_low.S revision 1.2
1 1.2 jmcneill /* $NetBSD: acpi_wakeup_low.S,v 1.2 2007/12/09 20:27:44 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 34 1.2 jmcneill .text 35 1.2 jmcneill .p2align 2, 0x90 36 1.2 jmcneill .globl acpi_md_sleep_exit 37 1.2 jmcneill acpi_md_sleep_exit: 38 1.2 jmcneill movw r_es,%ax 39 1.2 jmcneill movw %ax,%es 40 1.2 jmcneill movw r_fs,%ax 41 1.2 jmcneill movw %ax,%fs 42 1.2 jmcneill movw r_gs,%ax 43 1.2 jmcneill movw %ax,%gs 44 1.2 jmcneill movw r_ss,%ax 45 1.2 jmcneill movw %ax,%ss 46 1.2 jmcneill 47 1.2 jmcneill movl r_cr2,%eax 48 1.2 jmcneill movl %eax,%cr2 49 1.2 jmcneill movl r_cr4,%eax 50 1.2 jmcneill movl %eax,%cr4 51 1.2 jmcneill movl r_cr3,%eax 52 1.2 jmcneill movl %eax,%cr3 53 1.2 jmcneill 54 1.2 jmcneill jmp 1f 55 1.2 jmcneill 1: 56 1.2 jmcneill 57 1.2 jmcneill lidt r_idt 58 1.2 jmcneill lldt r_ldt 59 1.2 jmcneill 60 1.2 jmcneill movl CPUVAR(GDT),%eax 61 1.2 jmcneill movzwl r_tr,%edx 62 1.2 jmcneill andl $~0x0200,4(%eax,%edx, 1) 63 1.2 jmcneill ltr %dx 64 1.2 jmcneill 65 1.2 jmcneill movl r_esp,%esp 66 1.2 jmcneill 67 1.2 jmcneill movl r_ebx,%ebx 68 1.2 jmcneill movl r_ecx,%ecx 69 1.2 jmcneill movl r_edx,%edx 70 1.2 jmcneill movl r_ebp,%ebp 71 1.2 jmcneill movl r_esi,%esi 72 1.2 jmcneill movl r_edi,%edi 73 1.2 jmcneill 74 1.2 jmcneill pushl r_efl 75 1.2 jmcneill popfl 76 1.2 jmcneill 77 1.2 jmcneill movl ret_addr,%eax 78 1.2 jmcneill movl %eax,(%esp) 79 1.2 jmcneill xorl %eax,%eax 80 1.2 jmcneill 81 1.2 jmcneill ret 82 1.2 jmcneill 83 1.2 jmcneill .p2align 2, 0x90 84 1.2 jmcneill .type acpi_md_sleep_prepare, @function 85 1.2 jmcneill .globl acpi_md_sleep_prepare 86 1.2 jmcneill acpi_md_sleep_prepare: 87 1.2 jmcneill movw %ds,r_ds 88 1.2 jmcneill movw %es,r_es 89 1.2 jmcneill movw %fs,r_fs 90 1.2 jmcneill movw %gs,r_gs 91 1.2 jmcneill movw %ss,r_ss 92 1.2 jmcneill 93 1.2 jmcneill movl %ebx,r_ebx 94 1.2 jmcneill movl %ecx,r_ecx 95 1.2 jmcneill movl %edx,r_edx 96 1.2 jmcneill movl %ebp,r_ebp 97 1.2 jmcneill movl %esi,r_esi 98 1.2 jmcneill movl %edi,r_edi 99 1.2 jmcneill 100 1.2 jmcneill movl %cr0,%eax 101 1.2 jmcneill movl %eax,r_cr0 102 1.2 jmcneill movl %cr2,%eax 103 1.2 jmcneill movl %eax,r_cr2 104 1.2 jmcneill movl %cr3,%eax 105 1.2 jmcneill movl %eax,r_cr3 106 1.2 jmcneill movl %cr4,%eax 107 1.2 jmcneill movl %eax,r_cr4 108 1.2 jmcneill 109 1.2 jmcneill pushfl 110 1.2 jmcneill popl r_efl 111 1.2 jmcneill 112 1.2 jmcneill movl %esp,r_esp 113 1.2 jmcneill 114 1.2 jmcneill sgdt r_gdt 115 1.2 jmcneill sidt r_idt 116 1.2 jmcneill sldt r_ldt 117 1.2 jmcneill str r_tr 118 1.2 jmcneill 119 1.2 jmcneill movl (%esp),%eax 120 1.2 jmcneill movl %eax,ret_addr 121 1.2 jmcneill movl 4(%esp),%eax 122 1.2 jmcneill pushl %eax 123 1.2 jmcneill call acpi_md_sleep_enter 124 1.2 jmcneill /* acpi_md_sleep_enter only returns on failure. */ 125 1.2 jmcneill popl %eax 126 1.2 jmcneill movl $-1,%eax 127 1.2 jmcneill ret 128 1.2 jmcneill 129 1.2 jmcneill .data 130 1.2 jmcneill .align 16 131 1.2 jmcneill .globl acpi_wakeup_ds 132 1.2 jmcneill acpi_wakeup_ds: 133 1.2 jmcneill r_ds: .word 0 134 1.2 jmcneill r_es: .word 0 135 1.2 jmcneill r_fs: .word 0 136 1.2 jmcneill r_gs: .word 0 137 1.2 jmcneill r_ss: .word 0 138 1.2 jmcneill r_tr: .word 0 139 1.2 jmcneill r_ldt: .word 0 140 1.2 jmcneill 141 1.2 jmcneill r_ebx: .long 0 142 1.2 jmcneill r_ecx: .long 0 143 1.2 jmcneill r_edx: .long 0 144 1.2 jmcneill r_ebp: .long 0 145 1.2 jmcneill r_esi: .long 0 146 1.2 jmcneill r_edi: .long 0 147 1.2 jmcneill r_esp: .long 0 148 1.2 jmcneill r_efl: .long 0 149 1.2 jmcneill 150 1.2 jmcneill .globl acpi_wakeup_cr0 151 1.2 jmcneill acpi_wakeup_cr0: 152 1.2 jmcneill r_cr0: .long 0 153 1.2 jmcneill r_cr2: .long 0 154 1.2 jmcneill r_cr3: .long 0 155 1.2 jmcneill .globl acpi_wakeup_cr4 156 1.2 jmcneill acpi_wakeup_cr4: 157 1.2 jmcneill r_cr4: .long 0 158 1.2 jmcneill 159 1.2 jmcneill .globl acpi_wakeup_gdt 160 1.2 jmcneill acpi_wakeup_gdt: 161 1.2 jmcneill r_gdt: .word 0 162 1.2 jmcneill .long 0 163 1.2 jmcneill r_idt: .word 0 164 1.2 jmcneill .long 0 165 1.2 jmcneill 166 1.2 jmcneill ret_addr: .long 0 167
Indexes created Wed Oct 22 00:09:40 GMT 2025