| vm86bios.s (106542) | vm86bios.s (112841) |
|---|---|
| 1/*- 2 * Copyright (c) 1998 Jonathan Lemon 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 1998 Jonathan Lemon 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/i386/i386/vm86bios.s 106542 2002-11-07 01:34:23Z davidxu $ | 26 * $FreeBSD: head/sys/i386/i386/vm86bios.s 112841 2003-03-30 05:24:52Z jake $ |
| 27 */ 28 29#include "opt_npx.h" 30 31#include <machine/asmacros.h> /* miscellaneous asm macros */ 32#include <machine/trap.h> 33 34#include "assym.s" --- 83 unchanged lines hidden (view full) --- 118 pushl %eax /* old ptde != 0 when booting */ 119 pushl %ebx /* keep for reuse */ 120 121 movl %esp,SCR_STACK(%edx) /* save current stack location */ 122 123 movl SCR_NEWPTD(%edx),%eax /* mapping for vm86 page table */ 124 movl %eax,0(%ebx) /* ... install as PTD entry 0 */ 125 | 27 */ 28 29#include "opt_npx.h" 30 31#include <machine/asmacros.h> /* miscellaneous asm macros */ 32#include <machine/trap.h> 33 34#include "assym.s" --- 83 unchanged lines hidden (view full) --- 118 pushl %eax /* old ptde != 0 when booting */ 119 pushl %ebx /* keep for reuse */ 120 121 movl %esp,SCR_STACK(%edx) /* save current stack location */ 122 123 movl SCR_NEWPTD(%edx),%eax /* mapping for vm86 page table */ 124 movl %eax,0(%ebx) /* ... install as PTD entry 0 */ 125 |
| 126#ifdef PAE 127 movl IdlePDPT,%ecx 128#endif |
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| 126 movl %ecx,%cr3 /* new page tables */ 127 movl SCR_VMFRAME(%edx),%esp /* switch to new stack */ 128 129 call vm86_prepcall /* finish setup */ 130 131 /* 132 * Return via doreti 133 */ --- 42 unchanged lines hidden --- | 129 movl %ecx,%cr3 /* new page tables */ 130 movl SCR_VMFRAME(%edx),%esp /* switch to new stack */ 131 132 call vm86_prepcall /* finish setup */ 133 134 /* 135 * Return via doreti 136 */ --- 42 unchanged lines hidden --- |