| acpi_wakecode.S (124051) | acpi_wakecode.S (145397) |
|---|---|
| 1/*- 2 * Copyright (c) 2001 Takanori Watanabe <takawata@jp.freebsd.org> 3 * Copyright (c) 2001 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * | 1/*- 2 * Copyright (c) 2001 Takanori Watanabe <takawata@jp.freebsd.org> 3 * Copyright (c) 2001 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * |
| 27 * $FreeBSD: head/sys/i386/acpica/acpi_wakecode.S 124051 2004-01-01 22:57:22Z njl $ | 27 * $FreeBSD: head/sys/i386/acpica/acpi_wakecode.S 145397 2005-04-22 09:53:04Z iedowse $ |
| 28 */ 29 30#define LOCORE 31 32#include <machine/asmacros.h> | 28 */ 29 30#define LOCORE 31 32#include <machine/asmacros.h> |
| 33#include <machine/param.h> | |
| 34#include <machine/specialreg.h> 35 | 33#include <machine/specialreg.h> 34 |
| 35#include "assym.s" 36 |
|
| 36 .align 4 37 .code16 38wakeup_16: 39 nop 40 cli 41 42 /* 43 * Set up segment registers for real mode and a small stack for --- 50 unchanged lines hidden (view full) --- 94 95 /* Enable protected mode */ 96 mov %cr0,%eax 97 orl $(CR0_PE),%eax 98 mov %eax,%cr0 99 100wakeup_sw32: 101 /* Switch to protected mode by intersegmental jump */ | 37 .align 4 38 .code16 39wakeup_16: 40 nop 41 cli 42 43 /* 44 * Set up segment registers for real mode and a small stack for --- 50 unchanged lines hidden (view full) --- 95 96 /* Enable protected mode */ 97 mov %cr0,%eax 98 orl $(CR0_PE),%eax 99 mov %eax,%cr0 100 101wakeup_sw32: 102 /* Switch to protected mode by intersegmental jump */ |
| 102 ljmpl $0x8,$0x12345678 /* Code location, to be replaced */ | 103 ljmpl $KCSEL,$0x12345678 /* Code location, to be replaced */ |
| 103 104 .code32 105wakeup_32: 106 /* 107 * Switched to protected mode w/o paging 108 * %esi: KERNEL stack pointer (physical address) 109 */ 110 111 nop 112 113 /* Set up segment registers for protected mode */ | 104 105 .code32 106wakeup_32: 107 /* 108 * Switched to protected mode w/o paging 109 * %esi: KERNEL stack pointer (physical address) 110 */ 111 112 nop 113 114 /* Set up segment registers for protected mode */ |
| 114 movw $0x10,%ax /* KDSEL to segment registers */ | 115 movw $KDSEL,%ax /* KDSEL to segment registers */ |
| 115 movw %ax,%ds 116 movw %ax,%es 117 movw %ax,%gs 118 movw %ax,%ss | 116 movw %ax,%ds 117 movw %ax,%es 118 movw %ax,%gs 119 movw %ax,%ss |
| 119 movw $0x18,%ax /* KPSEL to %fs */ | 120 movw $KPSEL,%ax /* KPSEL to %fs */ |
| 120 movw %ax,%fs 121 movl %esi,%esp /* physical address stack pointer */ 122 123wakeup_32stack: 124 /* Operands are overwritten in 16bit code */ 125 pushl $0xabcdef09 /* ss + dummy */ 126 pushl $0xabcdef08 /* fs + gs */ 127 pushl $0xabcdef07 /* ds + es */ --- 111 unchanged lines hidden --- | 121 movw %ax,%fs 122 movl %esi,%esp /* physical address stack pointer */ 123 124wakeup_32stack: 125 /* Operands are overwritten in 16bit code */ 126 pushl $0xabcdef09 /* ss + dummy */ 127 pushl $0xabcdef08 /* fs + gs */ 128 pushl $0xabcdef07 /* ds + es */ --- 111 unchanged lines hidden --- |