| i386_vm86.2 (108040) | i386_vm86.2 (108087) |
|---|---|
| 1.\" Copyright (c) 1998 Jonathan Lemon 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 1998 Jonathan Lemon 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: head/lib/libc/i386/sys/i386_vm86.2 108040 2002-12-18 13:33:04Z ru $ | 25.\" $FreeBSD: head/lib/libc/i386/sys/i386_vm86.2 108087 2002-12-19 09:40:28Z ru $ |
| 26.\" 27.Dd July 27, 1998 28.Os 29.Dt I386_VM86 2 30.Sh NAME 31.Nm i386_vm86 32.Nd control vm86-related functions 33.Sh LIBRARY --- 4 unchanged lines hidden (view full) --- 38.In machine/vm86.h 39.Ft int 40.Fn i386_vm86 "int function" "void *data" 41.Sh DESCRIPTION 42The 43.Fn i386_vm86 44system call 45is used to call various vm86 related functions. | 26.\" 27.Dd July 27, 1998 28.Os 29.Dt I386_VM86 2 30.Sh NAME 31.Nm i386_vm86 32.Nd control vm86-related functions 33.Sh LIBRARY --- 4 unchanged lines hidden (view full) --- 38.In machine/vm86.h 39.Ft int 40.Fn i386_vm86 "int function" "void *data" 41.Sh DESCRIPTION 42The 43.Fn i386_vm86 44system call 45is used to call various vm86 related functions. |
| 46The |
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| 46.Fa function | 47.Fa function |
| 48argument |
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| 47can be one of the following values: 48.Bl -tag -offset indent -width VM86_SET_VME 49.It Dv VM86_INIT 50This will initialize the kernel's vm86 parameter area for the 51process, and permit the process to make vm86 calls. | 49can be one of the following values: 50.Bl -tag -offset indent -width VM86_SET_VME 51.It Dv VM86_INIT 52This will initialize the kernel's vm86 parameter area for the 53process, and permit the process to make vm86 calls. |
| 54The |
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| 52.Fa data | 55.Fa data |
| 56argument |
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| 53points to the following structure: 54.Bd -literal 55struct vm86_init_args { 56 int debug; 57 int cpu_type; 58 u_char int_map[32]; 59}; 60.Ed 61.Pp | 57points to the following structure: 58.Bd -literal 59struct vm86_init_args { 60 int debug; 61 int cpu_type; 62 u_char int_map[32]; 63}; 64.Ed 65.Pp |
| 66The |
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| 62.Fa debug | 67.Fa debug |
| 68argument |
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| 63is used to turn on debugging code. | 69is used to turn on debugging code. |
| 70The |
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| 64.Fa cpu_type | 71.Fa cpu_type |
| 72argument |
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| 65controls the type of CPU being emulated, and is currently unimplemented. | 73controls the type of CPU being emulated, and is currently unimplemented. |
| 74The |
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| 66.Fa int_map | 75.Fa int_map |
| 76argument |
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| 67is a bitmap which determines whether vm86 interrupts should be handled 68in vm86 mode, or reflected back to the process. If the 69.Em Nth 70bit is set, the interrupt will be reflected to the process, otherwise 71it will be dispatched by the vm86 interrupt table. 72.\" .It Dv VM86_SET_VME 73.\" .It Dv VM86_GET_VME 74.\" .It Dv VM86_INTCALL --- 23 unchanged lines hidden --- | 77is a bitmap which determines whether vm86 interrupts should be handled 78in vm86 mode, or reflected back to the process. If the 79.Em Nth 80bit is set, the interrupt will be reflected to the process, otherwise 81it will be dispatched by the vm86 interrupt table. 82.\" .It Dv VM86_SET_VME 83.\" .It Dv VM86_GET_VME 84.\" .It Dv VM86_INTCALL --- 23 unchanged lines hidden --- |