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Diffstat (limited to 'os/dos')
| -rw-r--r-- | os/dos/copying | 339 | ||||
| -rw-r--r-- | os/dos/copying.dj | 48 | ||||
| -rw-r--r-- | os/dos/copying.lib | 481 | ||||
| -rw-r--r-- | os/dos/cwsdpmi.exe | bin | 0 -> 20125 bytes | |||
| -rw-r--r-- | os/dos/cwsdpmi.txt | 173 | ||||
| -rw-r--r-- | os/dos/cwsdstub.exe | bin | 0 -> 21504 bytes | |||
| -rw-r--r-- | os/dos/exe2coff.c | 94 | ||||
| -rwxr-xr-x | os/dos/make_dos_binary_selfcontained.sh | 9 |
8 files changed, 1144 insertions, 0 deletions
diff --git a/os/dos/copying b/os/dos/copying new file mode 100644 index 000000000..a43ea2126 --- /dev/null +++ b/os/dos/copying @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 675 Mass Ave, Cambridge, MA 02139, USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Library General Public License instead.) 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If this is what you want to do, use the GNU Library General +Public License instead of this License. diff --git a/os/dos/copying.dj b/os/dos/copying.dj new file mode 100644 index 000000000..8a5504784 --- /dev/null +++ b/os/dos/copying.dj @@ -0,0 +1,48 @@ +This is the file "copying.dj". 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See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +Also add information on how to contact you by electronic and paper mail. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the library, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James Random Hacker. + + <signature of Ty Coon>, 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! diff --git a/os/dos/cwsdpmi.exe b/os/dos/cwsdpmi.exe Binary files differnew file mode 100644 index 000000000..17e322002 --- /dev/null +++ b/os/dos/cwsdpmi.exe diff --git a/os/dos/cwsdpmi.txt b/os/dos/cwsdpmi.txt new file mode 100644 index 000000000..14b09c4d7 --- /dev/null +++ b/os/dos/cwsdpmi.txt @@ -0,0 +1,173 @@ +CWSDPMI is Copyright (C) 1995-2000 Charles W Sandmann (sandmann@clio.rice.edu) + 1206 Braelinn, Sugar Land, TX 77479 + +This is release 5. The files in this binary distribution may be redistributed +under the GPL (with source) or without the source code provided: + +* CWSDPMI.EXE or CWSDPR0.EXE are not modified in any way except via CWSPARAM. + +* CWSDSTUB.EXE internal contents are not modified in any way except via + CWSPARAM or STUBEDIT. It may have a COFF image plus data appended to it. + +* Notice to users that they have the right to receive the source code and/or + binary updates for CWSDPMI. Distributors should indicate a site for the + source in their documentation. + +------------------------------------------------------------------------------- + +CWSDPMI was written to provide DPMI services for V2 of DJGPP. It currently +does not support 16-bit DPMI applications, or DPMI applications requiring a +built in extender. It does support virtual memory and hardware interrupt +reflection from real mode to protected mode. DJGPP V1.1x and RSX applications +will also run using this server, which can be used to provide enhanced control +over hardware interrupts. Some DPMI 1.0 extensions (0x506, 0x507, 0x508) have +been implemented. + +CWSDPR0.EXE is an alternate version which runs at ring 0 with virtual memory +disabled. It may be used if access to ring-0 features are desired. It +currently does not switch stacks on HW interrupts, so some DJGPP features +such as SIGINT and SIGFPE are not supported and will generate a double fault +or stack fault error (to be fixed someday). + +CWSDSTUB.EXE is a stub loader image for DJGPP which includes CWSDPMI. This +allows single executable image distributions. You can use the EXE2COFF +program and COPY /B CWSDSTUB.EXE+yourimage yourimage.exe to create a +standalone executable image. + +Some of the internal tuning and configuration parameters may be modified +in the image using CWSPARAM.EXE (see CWSPARAM.DOC). + +If you want to use CWSDPMI with DJGPP, you expand the distribution into the +DJGPP directory tree. CWSDPMI.EXE will be put in the BIN directory with your +DJGPP images and it will automatically be loaded when they run. + +Directions for use (server can be used in either of two different ways): + +1) "cwsdpmi" alone with no parameters will terminate and stay resident + FOR A SINGLE DPMI PROCESS. This means it unloads itself when your + DPMI application exits. This mode is useful in software which needs + DPMI services, since CWSDPMI can be exec'ed and then will unload on exit. + +2) "cwsdpmi -p" will terminate and stay resident until you remove it. + It can be loaded into UMBs with LH. "cwsdpmi -u" will unload the TSR. + +3) The file used for virtual memory swapping, if desired, is controlled + by the "-sc:\cwsdpmi.swp" syntax on the command line. You must specify + either a file with full disk/directory syntax, or "-s-" which disables + virtual memory. + +4) The default swap file name is c:\cwsdpmi.swp, but this can be changed + with the CWSPARAM image, as can some other parameters. + +5) You can disable the DPMI 1.0 extensions by starting the image with the + "cwsdpmi -x" syntax. This feature allows you to run programs developed + under other DPMI providers which do not behave properly with these + extensions enabled (typically use of NULL pointers). + +I would like to give special thanks to DJ Delorie who wrote the original +GO32 code on which CWSDPMI is based. Morten Welinder also provided and +improved much of the code in this program. + +------------------------------------------------------------------------------- + +This section contains a list of the error messages you might see out of +CWSDPMI and some details on what they mean. + +Exceptions are only handled by CWSDPMI if the application does not establish +an exception handler, exceptions nest 5 deep, or the error is particularly bad: + +"Page fault" - + 1) an illegal page fault happens in a RMCB or HW interrupt, (lock all pages!) + 2) all available pages have been locked, + 3) the application is using non-committed pages for null pointer protection. +"Double Fault" - multiple exceptions occurred +"Invalid TSS" - typically due to RMCB or HW interrupt being called after the + selectors/memory have been deallocated (remember to reset the mouse) +"General Protection Fault" - bad parameter sent to a DPMI call + +"80386 required." + +Since 80286 and lesser processors don't have the hardware necessary to +run CWSDPMI. No workaround, upgrade. + +"DOS 3 required." + +A few interrupts are used which need DOS 3.0 or higher. I don't expect to +ever see this message, since 80386 machines were introduced after DOS 3.0 +and that check is made first. + +"CWSDPMI V0.90+ (r5) Copyright (C) 2000 CW Sandmann ABSOLUTELY NO WARRANTY" + +An informational message displayed if the program is not run in one-pass mode. + +"Protected mode not accessible." + +This message should only be displayed if running CWSDPMI in a protected +environment with no access to protected mode. In this case, DPMI should +already be available and CWSDPMI would not be needed. This might happen if +a 16-bit DPMI client is loaded and a DJGPP image attempts to load CWSDPMI +to provide 32-bit DPMI services under Windows. + +"Warning: cannot open swap file c:\cwsdpmi.swp" + +Maybe you are out of file handles, or the swap file name is incorrectly +specified in the image (change the name with cwsparam). + +"No swap space!" + +This message means you tried to use more paging file than CWSDPMI was +configured to handle. Since this is protected against in the memory +allocation code, you should never see this message. + +"Swap disk full!" + +This means the paging file could not be expanded when trying to page +memory out to disk. This would normally not be seen, unless you are +writing output to the same disk which holds the paging file. Decrease +the amount of memory your DPMI application is using or free up disk space. + +"Interrupt 0x??" + +Your application tried to call an interrupt from protected mode which +normally shouldn't be called (something like a data pointer). If the +request was allowed to continue it would likely hang your machine. If you +see this message and think the interrupt should be allowed to continue, let +me know. + +"Error: Using XMS switched CPU into V86 mode." + +This message might be seen if you have your memory manager in AUTO mode. The +only workaround in this case is to stop using AUTO mode. + +"Error: could not allocate page table memory" + +The page table memory (a minimum of 16Kb) is allocated from conventional +memory (either in the 640Kb region or UMBs). If CWSDPMI cannot allocate the +minimum necessary memory, you would see this message. Free up some +conventional memory. You may also see this message if a page directory needs +to be faulted in, and there are no available pages. This means too many pages +have been locked for the allocated page tables available. While CWSDPMI +tries to dynamically allocate these if needed, this effort failed. You need +to increase the number of page tables with CWSPARAM, or increase the amount +of free conventional memory if it is low. If the application which calls +CWSDPMI internally manages all the DOS memory, the page tables may need to +be pre-allocated at DPMI startup time (if this is needed, try using the +run option flag 2 in cwsparam). + +"16-bit DPMI unsupported." + +CWSDPMI is a 32-bit only DPMI server. Ideally, on the request to enter DPMI's +PM with a 16-bit request, we would just fail the call setting the carry bit +like the DPMI specification describes. Some buggy 16-bit compiler tools don't +check the return status and will hang the machine in this case. So, I issue +an error message and exit the image instead. + +"Descriptors exhausted." + +An attempt to nest a DPMI client failed in the setup phase due to insufficient +free selectors in the LDT. + +"CWSDPMI not removed" + +When the -u parameter is specified, if DPMI is not detected this message is +printed. Informational. diff --git a/os/dos/cwsdstub.exe b/os/dos/cwsdstub.exe Binary files differnew file mode 100644 index 000000000..fabaf3bf4 --- /dev/null +++ b/os/dos/cwsdstub.exe diff --git a/os/dos/exe2coff.c b/os/dos/exe2coff.c new file mode 100644 index 000000000..aa072e8e4 --- /dev/null +++ b/os/dos/exe2coff.c @@ -0,0 +1,94 @@ +/* Copyright (C) 1998 DJ Delorie, see COPYING.DJ for details */ +/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */ +/* Updated 2008 to use fread/fopen and friends instead of read/open so it compiles with GCC on Unix (Rubidium) */ +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <string.h> +#include <unistd.h> +#include <ctype.h> + + +static void +exe2aout(char *fname) +{ + unsigned short header[3]; + FILE *ifile; + FILE *ofile; + char buf[4096]; + int rbytes; + char *dot = strrchr(fname, '.'); + if (!dot || strlen(dot) != 4 + || tolower(dot[1]) != 'e' + || tolower(dot[2]) != 'x' + || tolower(dot[3]) != 'e') + { + fprintf(stderr, "%s: Arguments MUST end with a .exe extension\n", fname); + return; + } + + ifile = fopen(fname, "rb"); + if (!ifile) + { + perror(fname); + return; + } + fread(header, sizeof(header), 1, ifile); + if (header[0] == 0x5a4d) + { + long header_offset = (long)header[2]*512L; + if (header[1]) + header_offset += (long)header[1] - 512L; + fseek(ifile, header_offset, SEEK_SET); + header[0] = 0; + fread(header, sizeof(header), 1, ifile); + if ((header[0] != 0x010b) && (header[0] != 0x014c)) + { + fprintf(stderr, "`%s' does not have a COFF/AOUT program appended to it\n", fname); + return; + } + fseek(ifile, header_offset, SEEK_SET); + } + else + { + fprintf(stderr, "`%s' is not an .EXE file\n", fname); + return; + } + + *dot = 0; + ofile = fopen(fname, "w+b"); + if (!ofile) + { + perror(fname); + return; + } + + while ((rbytes=fread(buf, 1, 4096, ifile)) > 0) + { + int wb = fwrite(buf, 1, rbytes, ofile); + if (wb < 0) + { + perror(fname); + break; + } + if (wb < rbytes) + { + fprintf(stderr, "`%s': disk full\n", fname); + exit(1); + } + } + fclose(ifile); + fclose(ofile); +} + +int +main(int argc, char **argv) +{ + int i; + if (argc == 1) printf("Usage: %s <exename>", argv[0]); + for (i=1; i<argc; i++) + exe2aout(argv[i]); + return 0; +} + diff --git a/os/dos/make_dos_binary_selfcontained.sh b/os/dos/make_dos_binary_selfcontained.sh new file mode 100755 index 000000000..de4bdb9dd --- /dev/null +++ b/os/dos/make_dos_binary_selfcontained.sh @@ -0,0 +1,9 @@ +#!/bin/sh + +cd `dirname $0` +cc -o exe2coff exe2coff.c || exit +cp $1 binary.exe || exit +./exe2coff binary.exe || exit +cat cwsdstub.exe binary > binary.exe || exit +mv binary.exe $1 +rm binary exe2coff |