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Author SHA1 Message Date
David Given 19cd42124f Rearrange the tests into sets; allow plats to skip sets; pc86 and linux68k now 
skip the tests which use floating point instructions (as their emulators don't
support them).
 2018-06-08 15:59:04 +09:00
David Given c6b9446722 Check in the x86emu-based emulator. Sadly, just like the 8086tiny-based 
emulator, FPU instructions aren't supported.
 2018-06-04 16:19:45 +09:00
David Given 9132641100 Add the pc86emu skeleton. 2018-06-03 08:24:21 -07:00
David Given eb96ea5d28 Add a clean copy of the x86emu library. 2018-06-03 08:06:23 -07:00
David Given abbead482a Sections are now aligned (required by the EM spec). 2017-01-07 18:47:46 +01:00
David Given 0e10329876 Fix an issue throughout where B couldn't be built by ackprogram due to symbol 
laziness.
 2016-12-29 17:11:53 +00:00
David Given 4485d89b23 Hook the B compiler up to the compiler driver. 2016-11-27 20:48:07 +01:00
David Given 5bce5fc4da Change the extension used by Basic files for .b to .bas, to avoid conflicts 
with B.
 2016-11-27 20:38:33 +01:00
David Given 8a58614aef Rework the tests to run on pc86; lots of test fixes for the brk() test, which 
was nearly useless; lots of fixes to qemuppc and pc86 sbrk(), which was broken;
change the pc86 console to echo output to the serial port (needed for running
tests on qemu).
 2016-11-26 11:23:25 +01:00
David Given bfa8e501a3 Make pc86 echo console output to the serial port, so qemu can pipe it to 
stdout.
 2016-11-25 20:28:41 +01:00
David Given 36ab90385f Change sbrk() to take an int rather than an intptr_t (following the OpenBSD way 
rather than the Linux way; various non-C bits of the ACK assume it takes an
int, so it's cleaner).
 2016-11-23 22:06:24 +01:00
David Given f67c98e239 Distributions are a pain --- let's not bother any more. Instead, we just tag 
the repository and download a complete snapshot, old and ancient stuff and all.
 2016-09-02 23:00:38 +02:00
David Given 612e38f1c6 Remove the old make-based build system, plus some big chunks of horribly 
obsolete protomake build system.
 2016-09-02 22:17:51 +02:00
David Given 5bae29a00c ego now builds and is used. 
This needed lots of refactoring to ego --- not all platforms have ego descr
files, and ego will just crash if you invoke it without one. I think originally
it was never intended that these platforms would be used at -O2 or above.

Plats now only specify the ego descr file if they have one.
 2016-08-21 22:01:19 +02:00
David Given 420c47c386 Fix dependency error (only shows up with make, not ninja. Odd). 2016-08-15 00:46:43 +02:00
David Given 3df4906d52 Turns out I wasn't building the syscall libraries. Do so. 2016-08-14 11:23:57 +02:00
David Given b549980af2 Wasn't exporting the plat headers; refactor to make this a little cleaner. 2016-08-14 11:01:36 +02:00
David Given 262c5fedcf Biggish refactor to break cycles; my build rules were full of them. cpm builds, 
which requires top and topgen.
 2016-08-14 01:39:40 +02:00
David Given 3ce4e53aa9 Most of libc builds now (missing malloc). 2016-08-08 23:55:47 +02:00
David Given 0d77cb8279 We can build our first C file. 2016-08-07 21:56:53 +02:00
David Given b2bb4ce3b2 Builds libend (the simplest library). Becoming obvious I need to rework the way 
ackbuilder deals with lists.
 2016-07-30 00:39:22 +02:00
David Given 363d13cc2f C preprocessor; tabgen; now the pc86 boot.s builds using the ack 
toolchain.
 2016-07-29 00:22:49 +02:00
David Given a8a9d1bbfa yacc, ncgg; platform ncg builds now. 2016-07-26 23:35:30 +02:00
David Given bff5c4019c Baby steps towards building a platform --- make the assembler work. 
Add ackbuilder support for C preprocessor files and yacc.
 2016-07-24 00:50:02 +02:00
David Given 88bd7ce126 Remove defunct pmfiles. 
--HG--
branch : default-branch
 2016-06-03 13:56:50 +02:00
David Given 92817a6ad7 Allow platforms to specify size of long double; seperate alignment from size. 
--HG--
branch : dtrg-videocore
 2013-05-21 19:18:11 +01:00
David Given 11377070fd Update distribution files. 
--HG--
branch : dtrg-buildsystem
 2013-05-15 23:46:15 +01:00
David Given 07453d184a Top, topgen, aelflod. Moved the libraries back into the platform-specific 
directories --- wrangling descr files was too hard. C programs can be built
for cpm, pc86, linux386, linux68k!

--HG--
branch : dtrg-buildsystem
rename : util/ack/build.mk => util/led/build.mk
rename : util/LLgen/build.mk => util/topgen/build.mk
 2013-05-13 23:26:15 +01:00
David Given 442306d557 Split off some of the platform-independent stuff (such as as and ncg). 
--HG--
branch : dtrg-buildsystem
rename : plat/pc86/build.mk => mach/i386/build.mk
rename : plat/pc86/build.mk => mach/i80/build.mk
rename : plat/pc86/build.mk => mach/i86/build.mk
rename : plat/pc86/build.mk => mach/m68020/build.mk
rename : plat/pc86/build.mk => mach/powerpc/build.mk
 2013-05-13 22:12:46 +01:00
David Given b0c238eb5d Made a start on building the runtimes for each platform and language; the 
Linuxes all build.

--HG--
branch : dtrg-buildsystem
rename : modules/src/em_mes/build.mk => modules/src/read_em/build.mk
rename : plat/pc86/build.mk => plat/linux386/build.mk
rename : plat/pc86/build.mk => plat/linux68k/build.mk
rename : plat/pc86/build.mk => plat/linuxppc/build.mk
rename : util/ack/build.mk => util/misc/build.mk
 2013-05-12 23:51:55 +01:00
David Given c1aca7dae5 First milestone of replacing the build system. 
--HG--
branch : dtrg-buildsystem
rename : lang/cem/cpp.ansi/Parameters => lang/cem/cpp.ansi/parameters.h
 2013-05-12 20:45:55 +01:00
George Koehler 3dcc3bd1cf Allow pc86 bootloader to boot from more floppy drives. 
When the bootloader probes the drive geometry, the BIOS can clobber the
es register.  If this happens, the bootloader loads the program to the
wrong address, and jumps off the code.  This happens with an emulated
floppy drive in Bochs or QEMU, but not with an emulated hard disk.
 2012-09-23 14:43:22 -04:00
dtrg 78777e802b Now using more conservative optimisation due to random seg fault issues. 2007-04-29 23:02:23 +00:00
dtrg eb4ea1e761 Use better optimisation options. 2007-04-29 21:24:17 +00:00
dtrg a7323e1a8b Documented floating-point status. 2007-04-28 22:34:47 +00:00
dtrg 24ea8aee3d Updated for the 6.0pre2 release. 2007-04-24 20:45:58 +00:00
dtrg 740940c9fc Fixed major typos in the signal declarations that was preventing anything that used signal() from compiling. 2007-04-24 19:34:34 +00:00
dtrg b8e1348f2a Ensured that _errno is always defined. Rejigged the pc86 boot code so it doesn't always waste 510 bytes of memory. 2007-04-24 19:25:00 +00:00
dtrg 201c66879d Updated to work with the new libmon-less setup. 2007-04-21 22:59:42 +00:00
dtrg d77b4ce97c Renamed the language libraries and runtimes to have more 
conventional names.
 2007-02-26 22:36:56 +00:00
dtrg b611731ec3 Updated .distr files for the new release. 2007-02-25 12:51:55 +00:00
dtrg c40a44b52e Added some missing CVS headers and did a bit of cleaning up. 2007-02-20 00:31:54 +00:00
dtrg df153ba299 Added 8086 PC bootable floppy support (pc86). 2007-02-20 00:25:12 +00:00