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Diffstat (limited to 'man2/vm86.2')
| -rw-r--r-- | man2/vm86.2 | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/man2/vm86.2 b/man2/vm86.2 deleted file mode 100644 index fba1167..0000000 --- a/man2/vm86.2 +++ /dev/null @@ -1,58 +0,0 @@ -.\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu) -.\" Copyright 1997 Andries E. Brouwer (aeb@cwi.nl) -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH vm86 2 2023-10-31 "Linux man-pages 6.7" -.SH NAME -vm86old, vm86 \- enter virtual 8086 mode -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.B #include <sys/vm86.h> -.P -.BI "int vm86old(struct vm86_struct *" info ); -.BI "int vm86(unsigned long " fn ", struct vm86plus_struct *" v86 ); -.fi -.SH DESCRIPTION -The system call -.BR vm86 () -was introduced in Linux 0.97p2. -In Linux 2.1.15 and 2.0.28, it was renamed to -.BR vm86old (), -and a new -.BR vm86 () -was introduced. -The definition of -.I struct vm86_struct -was changed -in 1.1.8 and 1.1.9. -.P -These calls cause the process to enter VM86 mode (virtual-8086 in Intel -literature), and are used by -.BR dosemu . -.P -VM86 mode is an emulation of real mode within a protected mode task. -.SH RETURN VALUE -On success, zero is returned. -On error, \-1 is returned, and -.I errno -is set to indicate the error. -.SH ERRORS -.TP -.B EFAULT -This return value is specific to i386 and indicates a problem with getting -user-space data. -.TP -.B ENOSYS -This return value indicates the call is not implemented on the present -architecture. -.TP -.B EPERM -Saved kernel stack exists. -(This is a kernel sanity check; the saved -stack should exist only within vm86 mode itself.) -.SH STANDARDS -Linux on 32-bit Intel processors. |