David Given [Sun, 13 Mar 2016 20:13:09 +0000 (21:13 +0100)]
Merge from default.
--HG--
branch : dtrg-videocore-branch-branch
David Given [Fri, 19 Jun 2015 20:14:09 +0000 (22:14 +0200)]
The ACK needs ed? Also, Ubuntu doesn't *have* ed?
--HG--
branch : default-branch
David Given [Fri, 19 Jun 2015 20:07:16 +0000 (22:07 +0200)]
Add Travis config file.
--HG--
branch : default-branch
David Given [Thu, 18 Jun 2015 21:39:25 +0000 (23:39 +0200)]
Rename branch.
--HG--
branch : dtrg-videocore-branch-branch
David Given [Thu, 18 Jun 2015 21:39:25 +0000 (23:39 +0200)]
Rename branch.
--HG--
branch : default-branch
David Given [Thu, 18 Jun 2015 21:38:50 +0000 (23:38 +0200)]
Rename branch.
--HG--
branch : dtrg-videocore-branch
David Given [Sun, 22 Mar 2015 23:15:42 +0000 (00:15 +0100)]
Merge.
--HG--
branch : dtrg-videocore
David Given [Sun, 22 Mar 2015 23:14:10 +0000 (00:14 +0100)]
Merge.
--HG--
rename : util/ncgg/build.mk => util/cgg/build.mk
David Given [Sun, 22 Mar 2015 23:09:41 +0000 (00:09 +0100)]
Fix a slightly mysterious dependency issue.
David Given [Sun, 22 Mar 2015 23:09:27 +0000 (00:09 +0100)]
Improve flex correctness.
David Given [Sun, 22 Mar 2015 23:08:51 +0000 (00:08 +0100)]
Allow machines to use cg if they wish.
--HG--
rename : mach/proto/ncg/build.mk => mach/proto/cg/build.mk
rename : util/ncgg/build.mk => util/cgg/build.mk
David Given [Sun, 22 Mar 2015 23:07:59 +0000 (00:07 +0100)]
64-bit-ify (adhoc varargs are evil).
David Given [Sun, 22 Mar 2015 11:09:46 +0000 (12:09 +0100)]
Newer versions of GNU Make have a new function which collides with a
variable we're using; change the name of the variable.
David Given [Sun, 9 Nov 2014 17:47:51 +0000 (18:47 +0100)]
Fixed a parallel build race condition (forgot to declare a dependency to
the makefile).
David Given [Sun, 31 Aug 2014 11:40:39 +0000 (13:40 +0200)]
Remove regrettable comment.
David Given [Mon, 1 Jul 2013 12:05:36 +0000 (13:05 +0100)]
Add (largely untested) float/int conversion.
--HG--
branch : dtrg-videocore
David Given [Fri, 28 Jun 2013 23:35:07 +0000 (00:35 +0100)]
Fix incorrect offset encoding in lea (sp) instructions.
--HG--
branch : dtrg-videocore
David Given [Fri, 28 Jun 2013 23:32:39 +0000 (00:32 +0100)]
Fix incorrect encoding of 'push lr' and 'pop pc'.
--HG--
branch : dtrg-videocore
David Given [Thu, 27 Jun 2013 10:25:50 +0000 (11:25 +0100)]
ISA change: clz has been renamed to log2.
--HG--
branch : dtrg-videocore
David Given [Wed, 26 Jun 2013 22:32:54 +0000 (23:32 +0100)]
Fix jump range checking in the addcmpb family of instructions.
--HG--
branch : dtrg-videocore
David Given [Mon, 24 Jun 2013 22:57:27 +0000 (23:57 +0100)]
Add routine to set the Raspberry Pi clock to 250MHz (loads faster than the default 19.2MHz).
--HG--
branch : dtrg-videocore
rename : plat/rpi/libsys/pi_user_to_phys.s => plat/rpi/libsys/pi_fast_mode.s
David Given [Fri, 21 Jun 2013 22:38:21 +0000 (23:38 +0100)]
Updated distr files.
--HG--
branch : dtrg-videocore
rename : mach/i80/.distr => mach/vc4/.distr
rename : plat/cpm/.distr => plat/rpi/.distr
David Given [Fri, 21 Jun 2013 22:21:08 +0000 (23:21 +0100)]
Updated VC4 docs.
--HG--
branch : dtrg-videocore
David Given [Fri, 21 Jun 2013 22:20:50 +0000 (23:20 +0100)]
Ship assembler man pages.
--HG--
branch : dtrg-videocore
rename : man/8080_as.6 => man/i80_as.6
rename : man/m68k2_as.6 => man/m68020_as.6
David Given [Wed, 19 Jun 2013 23:15:14 +0000 (00:15 +0100)]
Add a stub malloc.h.
--HG--
branch : dtrg-videocore
rename : lang/cem/libcc.ansi/headers/stdlib.h => lang/cem/libcc.ansi/headers/malloc.h
David Given [Wed, 19 Jun 2013 23:14:55 +0000 (00:14 +0100)]
Actually remember to set the stack pointer on startup. Reduce to stack from 16kB to a much more reasonable 1kB.
--HG--
branch : dtrg-videocore
David Given [Sun, 9 Jun 2013 21:16:30 +0000 (22:16 +0100)]
Implement a very crude busy-wait based select() mechanism for consol input.
--HG--
branch : dtrg-videocore
rename : plat/rpi/include/ack/config.h => plat/rpi/include/sys/select.h
rename : plat/rpi/libsys/time.c => plat/rpi/libsys/select.c
David Given [Fri, 7 Jun 2013 20:25:38 +0000 (21:25 +0100)]
Fix stack corruption when adjusting SP. Be a bit more rigorous about clearing the pseudostack on branch/labels.
--HG--
branch : dtrg-videocore
David Given [Wed, 5 Jun 2013 23:05:48 +0000 (00:05 +0100)]
Change the size of the SRAM area to 128kB (to reflect reality).
--HG--
branch : dtrg-videocore
David Given [Wed, 5 Jun 2013 22:57:23 +0000 (23:57 +0100)]
Fix treatment of out-of-range values in switch csa.
--HG--
branch : dtrg-videocore
David Given [Sun, 2 Jun 2013 21:02:15 +0000 (22:02 +0100)]
Apply fix contributed by George Koehler:
- don't crash if BSS overlaps BDOS
- fix stack initialisation bug
- fix command line argification
David Given [Thu, 30 May 2013 22:50:19 +0000 (23:50 +0100)]
Implement NOT...
--HG--
branch : dtrg-videocore
David Given [Thu, 30 May 2013 22:25:22 +0000 (23:25 +0100)]
Some more termios compatibility options.
--HG--
branch : dtrg-videocore
David Given [Thu, 30 May 2013 22:19:55 +0000 (23:19 +0100)]
Add basic termios to the rpi platform to allow echoing/newline translation to be controlled.
--HG--
branch : dtrg-videocore
rename : plat/rpi/include/unistd.h => plat/rpi/include/termios.h
rename : plat/rpi/libsys/write.c => plat/rpi/libsys/tcgetattr.c
rename : plat/rpi/libsys/write.c => plat/rpi/libsys/tcsetattr.c
David Given [Wed, 29 May 2013 20:41:58 +0000 (21:41 +0100)]
Add some missing libc functions: setenv, unsetenv, strdup.
--HG--
rename : lang/cem/libcc.ansi/stdlib/getenv.c => lang/cem/libcc.ansi/stdlib/setenv.c
rename : lang/cem/libcc.ansi/string/strlen.c => lang/cem/libcc.ansi/string/strdup.c
extra : source :
64d6e6eec18d76bf8f3947ec5d171db94acdb282
David Given [Wed, 29 May 2013 20:41:58 +0000 (21:41 +0100)]
Add some missing libc functions: setenv, unsetenv, strdup.
--HG--
branch : dtrg-videocore
rename : lang/cem/libcc.ansi/stdlib/getenv.c => lang/cem/libcc.ansi/stdlib/setenv.c
rename : lang/cem/libcc.ansi/string/strlen.c => lang/cem/libcc.ansi/string/strdup.c
David Given [Wed, 29 May 2013 16:10:58 +0000 (17:10 +0100)]
Add support for snprintf and vsnprintf. Try and make the return value a bit
more standards-compliant.
--HG--
extra : source :
a19eb606871f918e3d9e195b487b5276855edc8e
David Given [Wed, 29 May 2013 16:10:58 +0000 (17:10 +0100)]
Add support for snprintf and vsnprintf. Try and make the return value a bit
more standards-compliant.
--HG--
branch : dtrg-videocore
David Given [Wed, 29 May 2013 14:03:48 +0000 (15:03 +0100)]
Update from trunk.
--HG--
branch : dtrg-videocore
David Given [Wed, 29 May 2013 13:48:51 +0000 (14:48 +0100)]
Attempt to fix 64-bitness error in ashow. Deprecate the structure format macros in h/out.h because they make no sense on 64-bit platforms.
David Given [Wed, 29 May 2013 13:11:04 +0000 (14:11 +0100)]
Use relocation enumerations rather than hard-coded values for relocation types
(these were causing problems due to the enumeration values having changed).
David Given [Sun, 26 May 2013 21:54:53 +0000 (22:54 +0100)]
Implement nop (the C compiler sometimes generates this!).
--HG--
branch : dtrg-videocore
David Given [Sun, 26 May 2013 18:54:22 +0000 (19:54 +0100)]
Add a crude README.
--HG--
branch : dtrg-videocore
David Given [Sun, 26 May 2013 18:41:37 +0000 (19:41 +0100)]
Boot code now works properly in both kernel and bare-metal mode.
--HG--
branch : dtrg-videocore
David Given [Sun, 26 May 2013 17:59:19 +0000 (18:59 +0100)]
Fix bug in ine/dee.
--HG--
branch : dtrg-videocore
David Given [Sun, 26 May 2013 17:58:54 +0000 (18:58 +0100)]
Allow reading from the mini UART. Add a check to not touch the UART unless it's been initialised (in case of accidents when running in kernel mode).
--HG--
branch : dtrg-videocore
David Given [Sun, 26 May 2013 12:13:58 +0000 (13:13 +0100)]
Remainders are calculated correctly. printf now works.
--HG--
branch : dtrg-videocore
David Given [Sun, 26 May 2013 12:06:25 +0000 (13:06 +0100)]
.csb now works.
--HG--
branch : dtrg-videocore
rename : mach/vc4/libem/csa.s => mach/vc4/libem/csb.s
David Given [Sat, 25 May 2013 23:35:15 +0000 (00:35 +0100)]
Fix erroneous section check (symbols may not have a defined section in pass 1).
--HG--
branch : dtrg-videocore
David Given [Sat, 25 May 2013 23:22:39 +0000 (00:22 +0100)]
Renamed the pi-specific functions to be a bit cleaner.
--HG--
branch : dtrg-videocore
rename : plat/rpi/libsys/phys_to_user.s => plat/rpi/libsys/pi_phys_to_user.s
rename : plat/rpi/libsys/uart.s => plat/rpi/libsys/pi_uart.s
rename : plat/rpi/libsys/user_to_phys.s => plat/rpi/libsys/pi_user_to_phys.s
David Given [Sat, 25 May 2013 23:22:08 +0000 (00:22 +0100)]
Added triple-quad load and store (used by the signal stuff).
--HG--
branch : dtrg-videocore
David Given [Sat, 25 May 2013 22:59:31 +0000 (23:59 +0100)]
stdio (output only) now works.
--HG--
branch : dtrg-videocore
David Given [Sat, 25 May 2013 22:58:35 +0000 (23:58 +0100)]
Stop fighting the terrible code and remove the regvar support --- it didn't help much and was a pain.
--HG--
branch : dtrg-videocore
David Given [Sat, 25 May 2013 22:28:47 +0000 (23:28 +0100)]
Heap allocations now works.
--HG--
branch : dtrg-videocore
David Given [Sat, 25 May 2013 22:26:10 +0000 (23:26 +0100)]
Major bugfix where instructions weren't being shrunk correctly. (Turns out there's built-in support for doing this, which I hadn't found.)
--HG--
branch : dtrg-videocore
David Given [Sat, 25 May 2013 12:31:58 +0000 (13:31 +0100)]
Disable register variables. The code is a bit worse, but having two stackable registers makes things much easier to understand.
--HG--
branch : dtrg-videocore
David Given [Sat, 25 May 2013 12:31:27 +0000 (13:31 +0100)]
Implement .csa.
--HG--
branch : dtrg-videocore
rename : mach/vc4/libem/dummy.s => mach/vc4/libem/csa.s
David Given [Sat, 25 May 2013 12:31:01 +0000 (13:31 +0100)]
Encode comparing branch correctly.
--HG--
branch : dtrg-videocore
David Given [Fri, 24 May 2013 23:35:29 +0000 (00:35 +0100)]
Build binaries that will run bare metal. Add enough syscall library to init the uart and write text.
--HG--
branch : dtrg-videocore
rename : plat/rpi/libsys/libsys.h => plat/rpi/libsys/libsysasm.h
rename : plat/rpi/libsys/_sys_rawread.s => plat/rpi/libsys/phys_to_user.s
rename : plat/rpi/libsys/_sys_rawread.s => plat/rpi/libsys/uart.s
rename : plat/rpi/libsys/_sys_rawread.s => plat/rpi/libsys/user_to_phys.s
David Given [Fri, 24 May 2013 23:33:38 +0000 (00:33 +0100)]
Don't write out constant data as big-endian! Some other cleanups.
--HG--
branch : dtrg-videocore
David Given [Fri, 24 May 2013 23:33:01 +0000 (00:33 +0100)]
Fix awful bug where uint32_t was sometimes defined as a short.
--HG--
branch : dtrg-videocore
David Given [Fri, 24 May 2013 16:04:29 +0000 (17:04 +0100)]
Various codegen tweaks.
--HG--
branch : dtrg-videocore
David Given [Wed, 22 May 2013 22:55:23 +0000 (23:55 +0100)]
Double-quads can be loaded and stored (more) correctly.
--HG--
branch : dtrg-videocore
David Given [Wed, 22 May 2013 22:12:48 +0000 (23:12 +0100)]
Better treatment of sign extension.
--HG--
branch : dtrg-videocore
David Given [Wed, 22 May 2013 21:46:10 +0000 (22:46 +0100)]
Now actually runs on real hardware.
--HG--
branch : dtrg-videocore
David Given [Wed, 22 May 2013 20:37:48 +0000 (21:37 +0100)]
Generate adds instructions when a shift-and-add is seen (useful for array indexing).
--HG--
branch : dtrg-videocore
David Given [Wed, 22 May 2013 17:25:30 +0000 (18:25 +0100)]
Allocate a user stack to run code in.
--HG--
branch : dtrg-videocore
David Given [Wed, 22 May 2013 10:02:46 +0000 (11:02 +0100)]
Generate ld rd, (rs) instructions properly.
--HG--
branch : dtrg-videocore
David Given [Wed, 22 May 2013 09:55:13 +0000 (10:55 +0100)]
Optimise direct access to globals, and incrementing and decrementing locals.
--HG--
branch : dtrg-videocore
David Given [Wed, 22 May 2013 08:47:22 +0000 (09:47 +0100)]
Build the Raspberry Pi code.
--HG--
branch : dtrg-videocore
David Given [Tue, 21 May 2013 23:52:58 +0000 (00:52 +0100)]
More typo fixes.
--HG--
branch : dtrg-videocore
David Given [Tue, 21 May 2013 23:44:04 +0000 (00:44 +0100)]
Typo fixes.
--HG--
branch : dtrg-videocore
David Given [Tue, 21 May 2013 23:16:59 +0000 (00:16 +0100)]
Adjust bootstrap code to build kernels that work with the mailbox test app.
--HG--
branch : dtrg-videocore
David Given [Tue, 21 May 2013 23:16:16 +0000 (00:16 +0100)]
Fix signedness problem that was showing up on ARM.
--HG--
branch : dtrg-videocore
David Given [Tue, 21 May 2013 22:17:30 +0000 (23:17 +0100)]
Reworked VC4 relocations and some of the instruction encoding to be actually correct. Now generating what could be real code!
--HG--
branch : dtrg-videocore
David Given [Tue, 21 May 2013 19:05:26 +0000 (20:05 +0100)]
Now compiles (incorrectly) the entire libc, libpc, libm2 and libbasic!
--HG--
branch : dtrg-videocore
David Given [Tue, 21 May 2013 18:18:11 +0000 (19:18 +0100)]
Allow platforms to specify size of long double; seperate alignment from size.
--HG--
branch : dtrg-videocore
David Given [Tue, 21 May 2013 17:16:30 +0000 (18:16 +0100)]
Lots more opcodes including float support. Define float and double to be the
same thing (as the VC4 seems not to have double-precision float support).
--HG--
branch : dtrg-videocore
David Given [Mon, 20 May 2013 22:27:45 +0000 (23:27 +0100)]
Add a lot more opcodes.
--HG--
branch : dtrg-videocore
David Given [Mon, 20 May 2013 22:27:31 +0000 (23:27 +0100)]
Fix typo.
--HG--
branch : dtrg-videocore
David Given [Mon, 20 May 2013 21:41:27 +0000 (22:41 +0100)]
Remember to clear ackflags on reset.
--HG--
branch : dtrg-videocore
David Given [Mon, 20 May 2013 21:35:12 +0000 (22:35 +0100)]
Major revamp to simplify and use 2op instructions. Better code. Now looks like it may work one day.
--HG--
branch : dtrg-videocore
David Given [Mon, 20 May 2013 18:56:33 +0000 (19:56 +0100)]
Add lea instruction. Fix dependency issues.
--HG--
branch : dtrg-videocore
David Given [Sun, 19 May 2013 22:34:42 +0000 (23:34 +0100)]
Push/pop are the right way round. Don't corrup short-form ALU instructions. Correct encoding of push/pop register ranges.
--HG--
branch : dtrg-videocore
David Given [Sun, 19 May 2013 22:33:42 +0000 (23:33 +0100)]
First steps towards a code generator.
--HG--
branch : dtrg-videocore
David Given [Sun, 19 May 2013 22:33:29 +0000 (23:33 +0100)]
Added skeleton bootstrap code.
--HG--
branch : dtrg-videocore
rename : plat/pc86/boot.s => plat/rpi/boot.s
David Given [Sun, 19 May 2013 22:19:10 +0000 (23:19 +0100)]
Correctly emit constants in some ALU instructions.
--HG--
branch : dtrg-videocore
David Given [Sun, 19 May 2013 22:18:36 +0000 (23:18 +0100)]
Fix warning.
--HG--
branch : dtrg-videocore
David Given [Sun, 19 May 2013 17:40:19 +0000 (18:40 +0100)]
Add compare-and-branch instructions.
--HG--
branch : dtrg-videocore
David Given [Sun, 19 May 2013 12:03:53 +0000 (13:03 +0100)]
Added memory operations that work on fixed up addresses.
--HG--
branch : dtrg-videocore
David Given [Sun, 19 May 2013 11:39:35 +0000 (12:39 +0100)]
Add register offset and postincrement memory operations.
--HG--
branch : dtrg-videocore
David Given [Sat, 18 May 2013 23:56:56 +0000 (00:56 +0100)]
Add most vanilla memory load/store instructions.
--HG--
branch : dtrg-videocore
David Given [Sat, 18 May 2013 12:00:37 +0000 (13:00 +0100)]
Reapply bugfix to sbrk() which got dropped during the move from linx386/libsys
to liblinux. Set errno correctly.
David Given [Sat, 18 May 2013 11:15:53 +0000 (12:15 +0100)]
Apply build system fixes for OpenBSD contributed by George Koehler.
David Given [Fri, 17 May 2013 22:30:49 +0000 (23:30 +0100)]
Add a whole bunch of VC4 opcodes.
--HG--
branch : dtrg-videocore
David Given [Fri, 17 May 2013 21:40:50 +0000 (22:40 +0100)]
Add special relocation type for VC4 jump instructions.
--HG--
branch : dtrg-videocore
David Given [Fri, 17 May 2013 14:28:04 +0000 (15:28 +0100)]
Merge fixes from trunk.
--HG--
branch : dtrg-videocore
David Given [Thu, 16 May 2013 23:04:54 +0000 (00:04 +0100)]
Fix warning.
David Given [Thu, 16 May 2013 23:04:37 +0000 (00:04 +0100)]
Dependency fixes.
David Given [Thu, 16 May 2013 23:03:38 +0000 (00:03 +0100)]
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
public / ack.git / log