Commit graph

84 commits

Author SHA1 Message Date
bunnei
df728cb4c2 Merge pull request #355 from lioncash/simp
armemu: Simplify some instructions.
2014-12-28 22:20:49 -05:00
bunnei
58cb62fe7b armemu: Fix PKHTB to do an arithmetic shift and correctly decode immediate field. 2014-12-28 16:18:52 -05:00
Lioncash
6ce2a38ec4 armemu: Simplify SSAT/SSAT16/SXTB/SXTAB 2014-12-28 12:19:31 -05:00
Lioncash
9f5b53f9ff armemu: Simplify REV/REV16/SXTH/SXTAH 2014-12-28 12:13:13 -05:00
bunnei
762f16c4ad Merge pull request #354 from lioncash/usaduflow
armemu: Fix underflows in USAD8/USADA8
2014-12-28 11:57:25 -05:00
Lioncash
914ecfe04f armemu: Simplify USAT16/UXTB/UXTAB 2014-12-28 11:57:14 -05:00
Lioncash
5e16216afb armemu: Simplify REVSH/UXTH/UXTAH 2014-12-28 11:57:09 -05:00
Lioncash
059c65a27a armemu: Fix underflows in USAD8/USADA8
Initially reported by xdec.
2014-12-28 06:09:43 -05:00
Lioncash
60523113a9 armemu: Implement UQADD8, UQADD16, UQSUB16, UQASX, and UQSAX 2014-12-27 17:06:19 -05:00
Lioncash
84a0438cf5 armemu: Implement UHADD8, UHADD16, UHSUB8, UHSUB16, UHASX, and UHSAX 2014-12-26 23:55:39 -05:00
bunnei
9c8ec675d9 Merge pull request #343 from lioncash/smmla
armemu: Implement SMMUL, SMMLA, and SMMLS.
2014-12-25 21:57:31 -05:00
bunnei
254567056f Merge pull request #341 from lioncash/moresmops
armemu: Implement SMLALD/SMLSLD
2014-12-25 21:46:54 -05:00
Lioncash
35dbfc7ab0 armemu: Implement SMMUL, SMMLA, and SMMLS. 2014-12-25 13:52:46 -05:00
Lioncash
82c3962b95 armemu: Implement SMLALD/SMLSLD 2014-12-24 09:29:48 -05:00
Lioncash
6b7808e412 armemu: Fix GE/Q flag setting semantics 2014-12-24 07:56:57 -05:00
Lioncash
20fc5f2a35 armemu: Set the Q flag correctly for much of the other ops
They were setting the old S flag.
2014-12-23 09:59:37 -05:00
Lioncash
79a7a432c5 armemu: Set the Q flag properly for SMLAD/SMUAD 2014-12-23 09:58:21 -05:00
bunnei
d31a94f06b Merge pull request #334 from lioncash/cpsr
armemu: Fix retrieval of the CPSR in MRS instructions.
2014-12-23 09:44:04 -05:00
Lioncash
6446331938 armemu: Properly set the Q flag for SSAT16/USAT16 upon saturation. 2014-12-22 23:52:05 -05:00
Lioncash
f66d356938 armemu: Fix SEL
Needs to use the updated state of the CPSR.
2014-12-22 23:52:05 -05:00
Lioncash
8e2accd974 armemu: Fix construction of the CPSR 2014-12-22 23:51:59 -05:00
Lioncash
8c72322422 armemu: Fix retrieval of the CPSR in MRS instructions. 2014-12-22 21:44:03 -05:00
Lioncash
855eda6f85 armemu: Implement SADD8/SSUB8 2014-12-20 23:10:35 -05:00
bunnei
993afd3bf0 Merge pull request #310 from lioncash/ssat16
armemu: Fix SSAT16.
2014-12-20 16:23:54 -05:00
Lioncash
2a097f0990 armemu: Should be using labs for USAD8/USADA8 2014-12-20 15:34:14 -05:00
bunnei
7095c4959b Merge pull request #311 from lioncash/usada
armemu: Implement USAD8 and USADA8
2014-12-20 15:21:25 -05:00
bunnei
52bc58283d Merge pull request #313 from lioncash/smlsd
armemu: Implement SMLSD
2014-12-20 15:18:52 -05:00
bunnei
1c50a036dd Merge pull request #314 from lioncash/qsax-qasx
armemu: Implement QASX and QSAX
2014-12-20 15:18:05 -05:00
bunnei
245abb4125 Merge pull request #294 from lioncash/var
armemu: Narrow the scope of some variables in handle_v6_insn
2014-12-19 16:46:56 -05:00
bunnei
dc5d1a9061 Merge pull request #305 from lioncash/paren
armemu: Get rid of bitwise parenthesis warnings
2014-12-19 16:46:36 -05:00
Lioncash
4b506cec01 armemu: Implement QASX and QSAX 2014-12-19 14:09:18 -05:00
Lioncash
0f3a6a161c armemu: Implement SMLSD 2014-12-19 09:53:54 -05:00
Lioncash
00e8ec4a9e armemu: Implement USAD8 and USADA8 2014-12-18 23:38:57 -05:00
Lioncash
92c53fe522 armemu: Fix SSAT16
The lower-bound would never be negative like it should
2014-12-18 20:35:14 -05:00
Lioncash
b9fc0b4b80 armemu: Clean up naming and formatting for SSAT16 2014-12-18 20:34:22 -05:00
bunnei
24b5e87279 Merge pull request #304 from lioncash/sflags
armemu: Set GE flags properly for SSUB16, SADD16, SSAX, and SASX.
2014-12-18 17:46:10 -05:00
Lioncash
e683f654ce armemu: Fix lower-bounds clamping for USAT16 2014-12-18 16:54:01 -05:00
Lioncash
6b632bbe37 armemu: More concise names for USAT16-related variables 2014-12-18 14:25:07 -05:00
Lioncash
eaae0ad502 armemu: Get rid of bitwise parenthesis warnings 2014-12-18 12:07:18 -05:00
Lioncash
4dc8eb40be armemu: Set GE flags correctly for SSUB16, SADD16, SSAX, and SASX. 2014-12-18 11:45:40 -05:00
bunnei
8ac22e7efc Merge pull request #299 from lioncash/join
Combine SSUB16, SADD16, SASX, and SSAX.
2014-12-18 10:04:31 -05:00
bunnei
797efbde1a Merge pull request #298 from lioncash/flags
armemu: Unset GE flags for UADD8 if results are < 0x100
2014-12-17 22:06:27 -05:00
bunnei
a968adf50e Merge pull request #295 from lioncash/umaal
armemu: Implement UMAAL
2014-12-17 21:44:13 -05:00
Lioncash
85c318078d armemu: Combine SSUB16, SADD16, SASX, and SSAX. 2014-12-17 21:17:54 -05:00
bunnei
075126247f Merge pull request #292 from lioncash/backports
Backport more skyeye fixes from 3dmoo
2014-12-17 20:58:00 -05:00
Lioncash
41fee1c940 armemu: Unset GE flags for UADD8 if results are < 0x100
Reference manual states these must be set to zero if this case is true.
2014-12-17 17:54:49 -05:00
Lioncash
58dc554733 armemu: Fix SSUB16
Broken from the same reason SADD16 was.

The lo part of the result should only be constructed from the lo halfwords of rm and rn.
The hi part of the result should only be constructed from the hi halfwords of rm and rn.
2014-12-17 15:40:10 -05:00
bunnei
e6f440ea7f Merge pull request #293 from lioncash/sops
armemu: Fix SADD16
2014-12-17 14:54:24 -05:00
bunnei
3e9d4a7917 Merge pull request #287 from lioncash/qaddsub16
armemu: Join QADD16/QSUB16 and fix saturation clamping.
2014-12-17 12:34:52 -05:00
Lioncash
5820dba6b7 armemu: Implement UMAAL 2014-12-17 12:21:21 -05:00