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27 commits

Author SHA1 Message Date
carl 9bb69bbb98 Fix several compiler warnings by adding braces 2019-05-14 23:21:19 +08:00
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 62cc636f10 Merge. 
--HG--
branch : dtrg-videocore
 2015-03-23 00:15:42 +01:00
David Given e36d739fa4 Add (largely untested) float/int conversion. 
--HG--
branch : dtrg-videocore
 2013-07-01 13:05:36 +01:00
David Given 8b6951dac0 Fix incorrect offset encoding in lea (sp) instructions. 
--HG--
branch : dtrg-videocore
 2013-06-29 00:35:07 +01:00
David Given edb174da8d Fix incorrect encoding of 'push lr' and 'pop pc'. 
--HG--
branch : dtrg-videocore
 2013-06-29 00:32:39 +01:00
David Given 29af6f1adb ISA change: clz has been renamed to log2. 
--HG--
branch : dtrg-videocore
 2013-06-27 11:25:50 +01:00
David Given 2b3f95de0b Fix jump range checking in the addcmpb family of instructions. 
--HG--
branch : dtrg-videocore
 2013-06-26 23:32:54 +01:00
David Given d94c1c8150 Updated distr files. 
--HG--
branch : dtrg-videocore
rename : mach/i80/.distr => mach/vc4/.distr
rename : plat/cpm/.distr => plat/rpi/.distr
 2013-06-21 23:38:21 +01:00
David Given 6284512b37 Fix erroneous section check (symbols may not have a defined section in pass 1). 
--HG--
branch : dtrg-videocore
 2013-05-26 00:35:15 +01:00
David Given 3b07fee160 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
 2013-05-25 23:26:10 +01:00
David Given 2ee79ab0b2 Encode comparing branch correctly. 
--HG--
branch : dtrg-videocore
 2013-05-25 13:31:01 +01:00
David Given 472f778342 Don't write out constant data as big-endian! Some other cleanups. 
--HG--
branch : dtrg-videocore
 2013-05-25 00:33:38 +01:00
David Given cdce394b6c Generate ld rd, (rs) instructions properly. 
--HG--
branch : dtrg-videocore
 2013-05-22 11:02:46 +01:00
David Given 08c4334224 Typo fixes. 
--HG--
branch : dtrg-videocore
 2013-05-22 00:44:04 +01:00
David Given f904465e9c Fix signedness problem that was showing up on ARM. 
--HG--
branch : dtrg-videocore
 2013-05-22 00:16:16 +01:00
David Given 5e9102955c Reworked VC4 relocations and some of the instruction encoding to be actually correct. Now generating what could be real code! 
--HG--
branch : dtrg-videocore
 2013-05-21 23:17:30 +01:00
David Given d6565f4d5b Fix typo. 
--HG--
branch : dtrg-videocore
 2013-05-20 23:27:31 +01:00
David Given 5082b2a5d7 Add lea instruction. Fix dependency issues. 
--HG--
branch : dtrg-videocore
 2013-05-20 19:56:33 +01:00
David Given 11890026db 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
 2013-05-19 23:34:42 +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 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 26877d3c4f Add a whole bunch of VC4 opcodes. 
--HG--
branch : dtrg-videocore
 2013-05-17 23:30:49 +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