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From: hasty@netcom.com (Amancio Hasty Jr)
Subject: Re: V86 mode
Message-ID: <hastyCBw5nK.BFp@netcom.com>
Organization: Netcom Online Communications Services (408-241-9760 login: guest)
References: <BLYMN.93Aug8183114@siren.awadi.com.au> <245k5iINNrl0@bonnie.tcd-dresden.de> <BLYMN.93Aug15160515@siren.awadi.com.au>
Date: Tue, 17 Aug 1993 06:50:07 GMT
Lines: 218
In article <BLYMN.93Aug15160515@siren.awadi.com.au> blymn@awadi.com.au (Brett Lymn) writes:
>>>>>> On 9 Aug 1993 15:41:06 +0200, j@bonnie.tcd-dresden.de (J Wunsch) said:
>J> NNTP-Posting-Host: bonnie.tcd-dresden.de
>
>J> In <BLYMN.93Aug8183114@siren.awadi.com.au> blymn@awadi.com.au (Brett Lymn) writes:
>
>>I am attempting to port the Linux dosemu (actually xdos), my main
>>stumbling block at the moment is lack of kernel services such as shm,
>>sem and msg and of course v86.
>
>J> Yep, but shm is there, isn't it?
Here are the bsdi patches that I mentioned before:
I have not had the chance to try them out and it will be a
couple of days before I can get to it.
Good Luck,
Amancio Hasty
From: block@gmf.eds.com
Message-Id: <9207120230.AA24302@snook.gmf.eds.com>
Subject: sysv shared memory patches
To: flipper.rsmas.miami.edu!angel@uunet.uu.net (Angel Li)
Date: Sat, 11 Jul 92 22:30:01 EDT
Cc: beta@bsdi.com
In-Reply-To: <9207102221.AA23557@flipper.rsmas.miami.edu>; from "Angel Li" at Jul 10, 92 6:21 pm
X-Mailer: ELM [version 2.3 PL11]
Status: RO
These patches will give you the library calls for sysv shared memory.
Apply patches in your source directory, copy 'sys/sys/shm.h' to
/usr/include/sys, and add an 'options SYSVSHM' line in your
sys/i386/conf/????? file.
--------------------------------------------------------------------------
diff -c sys/i386/include/vmparam.h:1.1.1.1 sys/i386/include/vmparam.h:1.2
*** sys/i386/include/vmparam.h:1.1.1.1 Sat Jul 11 18:10:55 1992
--- sys/i386/include/vmparam.h Sat Jul 11 18:10:55 1992
***************
*** 89,94 ****
--- 89,99 ----
*/
#define SYSPTSIZE (2*NPTEPG)
#define USRPTSIZE (2*NPTEPG)
+
+ /*
+ * Size of Shared Memory Pages
+ */
+ #define SHMMAXPGS 1024
/*
* Size of User Raw I/O map
diff -c sys/sys/shm.h:1.1 sys/sys/shm.h:1.2
*** sys/sys/shm.h:1.1 Sat Jul 11 18:13:21 1992
--- sys/sys/shm.h Sat Jul 11 18:13:22 1992
***************
*** 91,94 ****
--- 91,110 ----
struct shminfo shminfo;
#endif
+ #ifndef KERNEL
+ #include <sys/cdefs.h>
+
+ __BEGIN_DECLS
+
+ int shmsys __P((int, ...));
+
+ int shmat __P((int, caddr_t, int));
+ int shmget __P((key_t, int, int));
+ int shmctl __P((int, int, caddr_t));
+ int shmdt __P((caddr_t));
+
+ __END_DECLS
+
+ #endif
+
#endif /* !_SHM_H_ */
diff -c lib/libc/gen/Makefile.inc:1.1 lib/libc/gen/Makefile.inc:1.2
*** lib/libc/gen/Makefile.inc:1.1 Sat Jul 11 18:16:12 1992
--- lib/libc/gen/Makefile.inc Sat Jul 11 18:16:13 1992
***************
*** 10,16 ****
isatty.c isctype.c isinf.c mktemp.c nice.c nlist.c opendir.c \
pause.c popen.c psignal.c raise.c readdir.c \
rewinddir.c scandir.c seekdir.c setjmperr.c \
! setmode.c setrgid.c setruid.c siginterrupt.c \
siglist.c signal.c sigsetops.c sleep.c syslog.c telldir.c \
termios.c time.c times.c timezone.c ttyname.c ttyslot.c \
ualarm.c unvis.c usleep.c utime.c valloc.c vis.c wait.c wait3.c \
--- 10,18 ----
isatty.c isctype.c isinf.c mktemp.c nice.c nlist.c opendir.c \
pause.c popen.c psignal.c raise.c readdir.c \
rewinddir.c scandir.c seekdir.c setjmperr.c \
! setmode.c setrgid.c setruid.c \
! shmat.c shmctl.c shmdt.c shmget.c \
! siginterrupt.c \
siglist.c signal.c sigsetops.c sleep.c syslog.c telldir.c \
termios.c time.c times.c timezone.c ttyname.c ttyslot.c \
ualarm.c unvis.c usleep.c utime.c valloc.c vis.c wait.c wait3.c \
diff -c /dev/null lib/libc/gen/shmat.c:1.1
*** /dev/null Sat Jul 11 18:16:13 1992
--- lib/libc/gen/shmat.c Sat Jul 11 18:16:14 1992
***************
*** 0 ****
--- 1,15 ----
+ #include <sys/types.h>
+ #include <sys/ipc.h>
+ #include <sys/shm.h>
+
+ #if __STDC__
+ int shmat(int shmid, caddr_t shmaddr, int shmflg)
+ #else
+ int shmat(shmid, shmaddr, shmflg)
+ int shmid;
+ caddr_t shmaddr;
+ int shmflg;
+ #endif
+ {
+ return (shmsys(0, shmid, shmaddr, shmflg));
+ }
diff -c /dev/null lib/libc/gen/shmctl.c:1.1
*** /dev/null Sat Jul 11 18:16:14 1992
--- lib/libc/gen/shmctl.c Sat Jul 11 18:16:15 1992
***************
*** 0 ****
--- 1,15 ----
+ #include <sys/types.h>
+ #include <sys/ipc.h>
+ #include <sys/shm.h>
+
+ #if __STDC__
+ int shmctl(int shmid, int cmd, caddr_t buf)
+ #else
+ int shmctl(shmid, cmd, buf)
+ int shmid;
+ int cmd;
+ caddr_t buf;
+ #endif
+ {
+ return (shmsys(1, shmid, cmd, buf));
+ }
diff -c /dev/null lib/libc/gen/shmdt.c:1.1
*** /dev/null Sat Jul 11 18:16:15 1992
--- lib/libc/gen/shmdt.c Sat Jul 11 18:16:16 1992
***************
*** 0 ****
--- 1,13 ----
+ #include <sys/types.h>
+ #include <sys/ipc.h>
+ #include <sys/shm.h>
+
+ #if __STDC__
+ int shmdt(caddr_t shmaddr)
+ #else
+ int shmdt(shmaddr)
+ caddr_t shmaddr;
+ #endif
+ {
+ return (shmsys(2, shmaddr));
+ }
diff -c /dev/null lib/libc/gen/shmget.c:1.1
*** /dev/null Sat Jul 11 18:16:17 1992
--- lib/libc/gen/shmget.c Sat Jul 11 18:16:17 1992
***************
*** 0 ****
--- 1,15 ----
+ #include <sys/types.h>
+ #include <sys/ipc.h>
+ #include <sys/shm.h>
+
+ #if __STDC__
+ int shmget(key_t key, int size, int shmflg)
+ #else
+ int shmget(key, size, shmflg)
+ key_t key;
+ int size;
+ int shmflg;
+ #endif
+ {
+ return (shmsys(3, key, size, shmflg));
+ }
diff -c lib/libc/sys/Makefile.inc:1.1 lib/libc/sys/Makefile.inc:1.2
*** lib/libc/sys/Makefile.inc:1.1 Sat Jul 11 18:16:19 1992
--- lib/libc/sys/Makefile.inc Sat Jul 11 18:16:19 1992
***************
*** 25,32 ****
seteuid.o setgid.o setgroups.o sethostid.o sethostname.o \
setitimer.o setpgid.o setpriority.o setregid.o setreuid.o \
setrlimit.o setsid.o setsockopt.o settimeofday.o setuid.o \
! shutdown.o sigaction.o sigstack.o socket.o socketpair.o stat.o \
! statfs.o swapon.o symlink.o sync.o truncate.o umask.o unlink.o \
unmount.o utimes.o vadvise.o wait4.o write.o writev.o
PSEUDO= _exit.o _getlogin.o
--- 25,32 ----
seteuid.o setgid.o setgroups.o sethostid.o sethostname.o \
setitimer.o setpgid.o setpriority.o setregid.o setreuid.o \
setrlimit.o setsid.o setsockopt.o settimeofday.o setuid.o \
! shmsys.o shutdown.o sigaction.o sigstack.o socket.o socketpair.o \
! stat.o statfs.o swapon.o symlink.o sync.o truncate.o umask.o unlink.o \
unmount.o utimes.o vadvise.o wait4.o write.o writev.o
PSEUDO= _exit.o _getlogin.o
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Jon Block Internet: block@gmf.eds.com
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--
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Amancio Hasty |
Home: (415) 495-3046 | ftp-site depository of all my work:
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