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Author SHA1 Message Date
David Given 61bff18082 Added skeleton bootstrap code. 
--HG--
branch : dtrg-videocore
rename : plat/pc86/boot.s => plat/rpi/boot.s
 2013-05-19 23:33:29 +01:00
David Given 80f85001fa Correctly emit constants in some ALU instructions. 
--HG--
branch : dtrg-videocore
 2013-05-19 23:19:10 +01:00
David Given a46ee91859 Fix warning. 
--HG--
branch : dtrg-videocore
 2013-05-19 23:18:36 +01:00
David Given 4f15423d63 Add compare-and-branch instructions. 
--HG--
branch : dtrg-videocore
 2013-05-19 18:40:19 +01:00
David Given 80afe75c9b Added memory operations that work on fixed up addresses. 
--HG--
branch : dtrg-videocore
 2013-05-19 13:03:53 +01:00
David Given febe8ca937 Add register offset and postincrement memory operations. 
--HG--
branch : dtrg-videocore
 2013-05-19 12:39:35 +01:00
David Given fc2833d456 Add most vanilla memory load/store instructions. 
--HG--
branch : dtrg-videocore
 2013-05-19 00:56:56 +01:00
David Given fc1b3672a3 Reapply bugfix to sbrk() which got dropped during the move from linx386/libsys 
to liblinux. Set errno correctly.
 2013-05-18 13:00:37 +01:00
David Given c18a82ec40 Apply build system fixes for OpenBSD contributed by George Koehler. 2013-05-18 12:15:53 +01:00
David Given 26877d3c4f Add a whole bunch of VC4 opcodes. 
--HG--
branch : dtrg-videocore
 2013-05-17 23:30:49 +01:00
David Given 5378e3fe53 Add special relocation type for VC4 jump instructions. 
--HG--
branch : dtrg-videocore
 2013-05-17 22:40:50 +01:00
David Given 5b4aa07dee Merge fixes from trunk. 
--HG--
branch : dtrg-videocore
 2013-05-17 15:28:04 +01:00
David Given 9a513e8ef3 Fix warning. 2013-05-17 00:04:54 +01:00
David Given e7c2029c9c Dependency fixes. 2013-05-17 00:04:37 +01:00
David Given 32ebc502c8 Skeleton of VideoCore IV support for the Raspberry Pi. 
--HG--
branch : dtrg-videocore
rename : mach/powerpc/as/.distr => mach/vc4/as/.distr
rename : mach/powerpc/as/mach0.c => mach/vc4/as/mach0.c
rename : mach/powerpc/as/mach1.c => mach/vc4/as/mach1.c
rename : mach/powerpc/as/mach2.c => mach/vc4/as/mach2.c
rename : mach/powerpc/as/mach3.c => mach/vc4/as/mach3.c
rename : mach/powerpc/as/mach4.c => mach/vc4/as/mach4.c
rename : mach/powerpc/as/mach5.c => mach/vc4/as/mach5.c
rename : mach/i86/build.mk => mach/vc4/build.mk
rename : mach/powerpc/libem/powerpc.h => mach/vc4/libem/videocore.h
rename : mach/i86/libend/.distr => mach/vc4/libend/.distr
rename : mach/i86/libend/edata.s => mach/vc4/libend/edata.s
rename : mach/i86/libend/em_end.s => mach/vc4/libend/em_end.s
rename : mach/i86/libend/end.s => mach/vc4/libend/end.s
rename : mach/i86/libend/etext.s => mach/vc4/libend/etext.s
rename : mach/powerpc/ncg/.distr => mach/vc4/ncg/.distr
rename : mach/powerpc/ncg/mach.c => mach/vc4/ncg/mach.c
rename : mach/powerpc/ncg/mach.h => mach/vc4/ncg/mach.h
rename : mach/powerpc/ncg/table => mach/vc4/ncg/table
rename : plat/pc86/descr => plat/rpi/descr
 2013-05-17 00:03:38 +01:00
David Given e5f6d5acfa Fix buffer overrun looking up type information for op_lab pseudoops (as 
they're not EM opcodes, we shouldn't look them up in em_flags!).
 2013-05-16 22:02:59 +01:00
David Given f70f78b6e4 Correctly generate dependency information. 2013-05-16 22:02:00 +01:00
David Given 84f81a442c Merge in build system changes. 2013-05-16 14:33:19 +01:00
David Given 24ef1627ec A few last build tweaks. 
--HG--
branch : dtrg-buildsystem
 2013-05-16 14:20:58 +01:00
David Given 11377070fd Update distribution files. 
--HG--
branch : dtrg-buildsystem
 2013-05-15 23:46:15 +01:00
David Given 8fbce949f5 Now describe the make-based build system in the README. 
--HG--
branch : dtrg-buildsystem
 2013-05-15 23:12:05 +01:00
David Given aaa3f14a79 Fix build error in opt which was causing all code, everywhere, to be broken. 
Remember to build opt2 too.

--HG--
branch : dtrg-buildsystem
 2013-05-15 22:09:28 +01:00
David Given e9233b4712 Build ego. 
--HG--
branch : dtrg-buildsystem
rename : util/arch/build.mk => util/ego/build.mk
 2013-05-15 21:14:06 +01:00
David Given f6c43b95ef Modula-2 now works. 
--HG--
branch : dtrg-buildsystem
rename : lang/pc/build.mk => lang/m2/build.mk
rename : lang/pc/libpc/build.mk => lang/m2/comp/build.mk
rename : lang/pc/libpc/build.mk => lang/m2/libm2/build.mk
 2013-05-14 22:24:38 +01:00
David Given 66aebcdd91 Pascal compiler now runs. 
--HG--
branch : dtrg-buildsystem
rename : lang/basic/build.mk => lang/pc/build.mk
rename : lang/cem/cemcom.ansi/build.mk => lang/pc/comp/build.mk
rename : lang/basic/lib/build.mk => lang/pc/libpc/build.mk
 2013-05-14 20:47:04 +01:00
David Given a6ebaeabd0 Basic compiler now runs. 
--HG--
branch : dtrg-buildsystem
 2013-05-14 18:01:38 +01:00
David Given d5f0107746 Build the Basic run-time library (after some modernisation). 
--HG--
branch : dtrg-buildsystem
 2013-05-14 16:11:29 +01:00
David Given a68b117e96 Add missing dependency. 
--HG--
branch : dtrg-buildsystem
 2013-05-14 14:55:29 +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 81778b603f Merge updates from trunk. 
--HG--
branch : dtrg-buildsystem
 2013-05-13 12:37:27 +01:00
David Given af0dedeb6e Fix typo. 
--HG--
branch : dtrg-buildsystem
 2013-05-13 11:14:10 +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
David Given d89f172841 Change fatal() and error() to use varargs. 2013-05-10 12:04:21 +01:00
David Given 33b4873932 Readjust after merge to default. 
--HG--
branch : dtrg-experimental-powerpc
 2013-05-09 18:15:49 +01:00
David Given d91a1dc1a6 Merge changes from branch: linux68k platform, linuxppc platform (partially 
working), and miscellaneous changes to support these.
 2013-05-09 18:14:16 +01:00
David Given b9b808e01a Apply George Koehler's aelflod fix for generating non-EM_386 binaries. 
Adjust platforms to use it. Fix some bugs in the linux386 platform.

--HG--
branch : dtrg-experimental-powerpc
 2013-05-09 15:54:23 +01:00
David Given 99d7f513f2 Properly error out if something goes wrong rather than ploughing ahead 
anyway.

--HG--
branch : dtrg-experimental-powerpc
 2013-05-09 11:20:36 +01:00
David Given bcfb3d802f Add pmfile for m68020 libend. 
--HG--
branch : dtrg-experimental-powerpc
 2013-05-09 00:58:35 +01:00
David Given 8e2d027c49 Add pmfile for m68020 libem. 
--HG--
branch : dtrg-experimental-powerpc
 2013-05-09 00:57:47 +01:00
David Given 8d0261473d Add missing linux68k platform and liblinux support library. 
--HG--
branch : dtrg-experimental-powerpc
 2013-05-09 00:56:10 +01:00
David Given c93cb69959 Check in incomplete Linux PowerPC and M68K work. 
--HG--
branch : dtrg-experimental-powerpc
 2013-05-08 00:48:48 +01:00
George Koehler c8fdcff960 Some fixes for aelflod and aslod. 
Copy rhead() and rsect() from aslod to aelflod, so aelflod can work
for machine with 64-bit long.

In aelflod, fix ELF header so file(1) no longer reports "corrupted
section header size".
 2013-04-24 19:57:23 -04:00
David Given dccecc5d45 Back out erroneous change. 2012-12-14 11:56:21 +00:00
George Koehler 0fc7fd5d33 Prevent segfault when trying to print an error message. 
Use <stdarg.h> to pass arguments correctly, as ack/util/util.c
already uses <stdarg.h> the same way.
 2012-10-24 13:44:50 -04:00
David Given 4349d702fa Change from using platform-specific types to stdint platform-independent types 
when reading the structure header.
 2012-09-27 11:32:40 +01:00
David Given 2beb3646a7 Change to use stdint's implementation independent types rather than short and 
long (which vary depending on whether you're on a 64-bit system or not).
 2012-09-27 10:54:41 +01:00
George Koehler 7ef9b79c11 Merge deletion of many undead files. 2012-09-23 15:31:16 -04:00
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