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Author SHA1 Message Date
Tony Nguyen cb5688009e target/mips: Hard code size with MO_{8|16|32|64} 
Temporarily no-op size_memop was introduced to aid the conversion of
memory_region_dispatch_{read|write} operand "unsigned size" into
"MemOp op".

Now size_memop is implemented, again hard coded size but with
MO_{8|16|32|64}. This is more expressive and avoids size_memop calls.

Backports commit 4574664677116dedb29b12150137f3888374a857 from qemu
 2020-01-07 18:30:39 -05:00
Tony Nguyen 7e9a1641c2 target/mips: Access MemoryRegion with MemOp 
The memory_region_dispatch_{read|write} operand "unsigned size" is
being converted into a "MemOp op".

Convert interfaces by using no-op size_memop.

After all interfaces are converted, size_memop will be implemented
and the memory_region_dispatch_{read|write} operand "unsigned size"
will be converted into a "MemOp op".

As size_memop is a no-op, this patch does not change any behaviour.

Backports commit e501824b3f3b3650e7cb8a509064cac01bc27c82 from qemu
 2020-01-07 18:21:31 -05:00
Tony Nguyen f75368cd0f
tcg: TCGMemOp is now accelerator independent MemOp 
Preparation for collapsing the two byte swaps, adjust_endianness and
handle_bswap, along the I/O path.

Target dependant attributes are conditionalized upon NEED_CPU_H.

Backports commit 14776ab5a12972ea439c7fb2203a4c15a09094b4 from qemu
 2019-11-28 03:01:12 -05:00
Peter Maydell 2faffb5af1
target/mips: Switch to do_transaction_failed() hook 
Switch the MIPS target from the old unassigned_access hook to the new
do_transaction_failed hook.

Unlike the old hook, do_transaction_failed is only ever called from
the TCG memory access paths, so there is no need for the "ignore this
if we're using KVM" hack that we were previously using to work around
the way unassigned_access was called for all kinds of memory accesses
to unassigned physical addresses.

The MIPS target does not ever do direct memory reads by physical
address (via either ldl_phys etc or address_space_ldl etc), so the
only memory accesses this affects are the 'normal' guest loads and
stores, which will be handled by the new hook; their behaviour is
unchanged.

Backports commit 4f02a06d50ef0081089ed8cb3ec7c7986e3c95f8 from qemu
 2019-11-28 02:54:53 -05:00
Aleksandar Markovic 32457b2b37
target/mips: Fix emulation of ST.W in system mode 
Order of arguments in helper_ret_stl_mmu() invocations was wrong,
apparently caused by a misplaced multiline copy-and-paste.

Fixes: 6decc57 ("target/mips: Fix MSA instructions ST.<B|H|W|D> on big endian host")

Backports commit abd4393d769d9fe2333b2e83e00f911a78475943 from qemu
 2019-11-18 23:47:33 -05:00
Aleksandar Markovic 84ec43131c
target/mips: Clean up handling of CP0 register 31 
Clean up handling of CP0 register 31.

Backports commit 14d92efd721755cc31df328261d301177980fa89 from qemu
 2019-11-18 23:46:33 -05:00
Aleksandar Markovic d012faa9bf
target/mips: Clean up handling of CP0 register 30 
Clean up handling of CP0 register 30.

Backports commit 4bcf121ebb009db8d135d8819b8d5837cfd6bb37 from qemu
 2019-11-18 23:43:56 -05:00
Aleksandar Markovic 6fae1432ce
target/mips: Clean up handling of CP0 register 29 
Clean up handling of CP0 register 29.

Backports commit af4bb6da80d3f6c733055bb4e2a1b99a30e81d24 from qemu
 2019-11-18 23:43:11 -05:00
Aleksandar Markovic 7dc128c3ad
target/mips: Clean up handling of CP0 register 28 
Clean up handling of CP0 register 28.

Backports commit a30e2f218034f6215757734c8107fd47f5385dfa from qemu
 2019-11-18 23:40:48 -05:00
Aleksandar Markovic 9ed9ff06ab
target/mips: Clean up handling of CP0 register 27 
Clean up handling of CP0 register 27.

Backports commit 5a10873d7ddd5d84c38c6f0dd69116b93219a7c1 from qemu
 2019-11-18 23:38:00 -05:00
Aleksandar Markovic 9fe6520144
target/mips: Clean up handling of CP0 register 26 
Clean up handling of CP0 register 26.

Backports commit dbbf08b2892a7cf93e47f84c512953234a452cec from qemu
 2019-11-18 23:37:02 -05:00
Aleksandar Markovic 7f23faefa3
target/mips: Clean up handling of CP0 register 25 
Clean up handling of CP0 register 25.

Backports commit 1176b328c310dbc71501f370fe128786edc7609c from qemu
 2019-11-18 23:36:02 -05:00
Aleksandar Markovic d7b34101a0
target/mips: Clean up handling of CP0 register 24 
Clean up handling of CP0 register 24.

Backports commit 8d7b4b6efbab8b5286aa9f5948d3e2ce9f98aea5 from qemu
 2019-11-18 23:31:37 -05:00
Aleksandar Markovic 4626d0d314
target/mips: Clean up handling of CP0 register 23 
Clean up handling of CP0 register 23.

Backports commit 4cbf4b6d00aa27176f1a19b3c739423875d702fe from qemu
 2019-11-18 23:30:52 -05:00
Aleksandar Markovic 6d070f1346
target/mips: Clean up handling of CP0 register 20 
Clean up handling of CP0 register 20.

Backports commit 14f92b0b9ca0abe48f9a23a73e8dc413d919eab9 from qemu
 2019-11-18 23:22:56 -05:00
Aleksandar Markovic 462d062240
target/mips: Clean up handling of CP0 register 19 
Clean up handling of CP0 register 19.

Backports commit be274dc18ee3682bb3a2ba7e5ccd3061b103cbec from qemu
 2019-11-18 23:22:07 -05:00
Aleksandar Markovic e126751cdc
target/mips: Clean up handling of CP0 register 18 
Clean up handling of CP0 register 18.

Backports commit e8dcfe825a51c5e963813343ec4112f06a0acf68 from qemu
 2019-11-18 23:21:19 -05:00
Aleksandar Markovic 0424d7bd24
target/mips: Clean up handling of CP0 register 17 
Clean up handling of CP0 register 17.

Backports commit 706ce142056b1304ea21db53b73d128295771a71 from qemu
 2019-11-18 23:18:16 -05:00
Aleksandar Markovic 04de1c3a5e
target/mips: Clean up handling of CP0 register 16 
Clean up handling of CP0 register 16.

Backports commit 433efb4cca1d942b6849be953ea166b492e9bb59 from qemu
 2019-11-18 23:14:41 -05:00
Aleksandar Markovic e54d2617a1
target/mips: Clean up handling of CP0 register 15 
Clean up handling of CP0 register 15.

Backports commit 4466cd49e53d3a4418a0f27ea9ff335fd9aed180 from qemu
 2019-11-18 23:11:46 -05:00
Aleksandar Markovic 41133450de
target/mips: Clean up handling of CP0 register 14 
Clean up handling of CP0 register 14.

Backports commit 35e4b54d90b07736d24d736c50f236231cde929f from qemu
 2019-11-18 23:10:19 -05:00
Aleksandar Markovic dc1e7c4467
target/mips: Clean up handling of CP0 register 13 
Clean up handling of CP0 register 13.

Backports commit e3c7559d8902fbb9857fb94fc5391f258cc3c4d1 from qemu
 2019-11-18 23:08:20 -05:00
Aleksandar Markovic 3f76658fd8
target/mips: Clean up handling of CP0 register 12 
Clean up handling of CP0 register 12.

Backports commit 2b0848674b4143bf5b2b6f7de6b8587dd52c31dd from qemu
 2019-11-18 23:06:38 -05:00
Aleksandar Markovic 5812937c52
target/mips: Clean up handling of CP0 register 11 
Clean up handling of CP0 register 11.

Backports commit f5f3834ff0f7d237fa9d5c67544ae5f5d49eaaf7 from qemu
 2019-11-18 23:04:18 -05:00
Aleksandar Markovic 16e817b003
target/mips: Clean up handling of CP0 register 10 
Clean up handling of CP0 register 10.

Backports commit 860ffef0477a92f1944f10528887fa5e74e6535d from qemu
 2019-11-18 23:03:25 -05:00
Aleksandar Markovic 11d02fc0b7
target/mips: Clean up handling of CP0 register 9 
Clean up handling of CP0 register 9.

Backports commit e5a98a7232e10632032be8f896ce0aaf171b6fd5 from qemu
 2019-11-18 23:01:54 -05:00
Aleksandar Markovic f4015517ab
target/mips: Clean up handling of CP0 register 8 
Clean up handling of CP0 register 8.

Backports commit 67d167d2d83d059932c99c077b402b94339c8cf0 from qemu
 2019-11-18 22:59:32 -05:00
Aleksandar Markovic 38f0e31950
target/mips: Clean up handling of CP0 register 7 
Clean up handling of CP0 register 7.

Backports commit 143a9875e51a358924154ffa76135ca29415dfb5 from qemu
 2019-11-18 22:55:22 -05:00
Aleksandar Markovic 95fa7aae61
target/mips: Clean up handling of CP0 register 6 
Clean up handling of CP0 register 6.

Backports commit 9023594b4081585518faf9b144bce62067381990 from qemu
 2019-11-18 22:54:26 -05:00
Aleksandar Markovic 49eeba113e
target/mips: Clean up handling of CP0 register 5 
Clean up handling of CP0 register 5.

Backports commit a1e76353e389f93e63bf1175c8422e5e7759662e from qemu
 2019-11-18 22:51:19 -05:00
Aleksandar Markovic 11ac98331a
target/mips: Clean up handling of CP0 register 4 
Clean up handling of CP0 register 4.

Backports commit 020fe379093deb116d72174268335d60133f0e26 from qemu
 2019-11-18 22:46:46 -05:00
Aleksandar Markovic d96b3d06c4
target/mips: Clean up handling of CP0 register 3 
Clean up handling of CP0 register 3.

Backports commit acd3731632c5737eaeb230d76fd55ce871a33439 from qemu
 2019-11-18 22:42:17 -05:00
Aleksandar Markovic 8644845898
target/mips: Clean up handling of CP0 register 2 
Clean up handling of CP0 register 2.

Backports commit 6d27d5bd73489a0560a6613e2b5633e221999db9 from qemu
 2019-11-18 22:38:46 -05:00
Aleksandar Markovic 9450b71a13
target/mips: Clean up handling of CP0 register 1 
Clean up handling of CP0 register 1

Backports commit 30deb4605bf0bb4cc0682216002dfed738bd5700 from qemu
 2019-11-18 22:33:29 -05:00
Aleksandar Markovic 47adeabf87
target/mips: Clean up handling of CP0 register 0 
Clean up handling of CP0 register 0.

Backports commit 1b142da5f82a8fcdc7783a418592de654d5c6052 from qemu
 2019-11-18 22:25:31 -05:00
tony.nguyen@bt.com b4c2c94602
configure: Define target access alignment in configure 
This patch moves the define of target access alignment earlier from
target/foo/cpu.h to configure.

Suggested in Richard Henderson's reply to "[PATCH 1/4] tcg: TCGMemOp is now
accelerator independent MemOp"

Backports commit 52bf9771fdfce98e98cea36a17a18915be6f6b7f from qemu
 2019-11-18 21:41:35 -05:00
Aleksandar Markovic 551b3db088
target/mips: Style improvements in translate.c 
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Backports commit 71375b59241a27b75d287b9216e5e82e43d763d8 from qemu
 2019-11-18 21:36:30 -05:00
Aleksandar Markovic cf6adb51e0
target/mips: Style improvements in cpu.c 
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Backports commit cf02a1164815ed6682c21070ddc95b88c31ff476 from qemu
 2019-11-18 21:25:54 -05:00
Aleksandar Markovic 780b748780
target/mips: Style improvements in cp0_timer.c 
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Backports commit 2f0d0196721d207297ce00a6cb39fc52005ccc7a from qemu
 2019-11-18 21:24:37 -05:00
Alex Bennée 3afb3723c7
target/mips: rationalise softfloat includes 
We should avoid including the whole of softfloat headers in cpu.h and
explicitly include it only where we will be calling softfloat
functions. We can use the -types.h in cpu.h for the few bits that are
global. We also move the restore_snan_bit_mode into internal.h and
include -helpers.h there.

Backports commit 502700d0674919309a19bfd016ea0680c6b7747d from qemu
 2019-11-18 21:15:19 -05:00
kj.xwings.l 038b4f3345
Removed hardcoded CP0C3_ULRI (#1098) 
* activate CP0C3_ULRI for CONFIG3, mips

* updated with mips patches

* updated with mips patches

* remove hardcoded config3

* git ignore vscode

* fix spacing issue and turn on floating point

Backports most of commit 24f55a7973278f20f0de21b904851d99d4716263 from
unicorn. Ignores internal core modifications, as this would be
special-casing non-upstreamed behavior.
 2019-08-08 20:08:57 -04:00
Aleksandar Markovic e2bc3161b4
target/mips: Fix emulation of MSA pack instructions on big endian hosts 
Fix emulation of MSA pack instructions on big endian hosts.

Backports commit 51229582583a4b64e93f2655153d905e4d8583d2 from qemu
 2019-08-08 19:51:34 -04:00
Aleksandar Markovic 812f3e4fed
target/mips: Add 'fall through' comments for handling nanoMips' SHXS, SWXS 
This was found by GCC 8.3 static analysis.

Missed in commit fb32f8c8560.

Backports commit 45152d050213a1221a5a900283976454bf6308bf from qemu
 2019-08-08 19:45:25 -04:00
Aleksandar Markovic 572c95e709
target/mips: Add missing 'break' for certain cases of MTTR handling 
This was found by GCC 8.3 static analysis.

Fixes: ead9360e2fb

Backports commit 0d0304f2c4967c892a3216638fc4cb078afa2b44 from qemu
 2019-08-08 19:38:18 -04:00
Aleksandar Markovic 720aff63da
target/mips: Add missing 'break' for certain cases of MFTR handling 
This was found by GCC 8.3 static analysis.

Fixes: ead9360e2fb

Backports commit f1fadbb27af04115c9d24e0902d88a38d0266854 from qemu
 2019-08-08 19:37:34 -04:00
Aleksandar Markovic b2aa75be33
target/mips: Add missing 'break' for a case of MTHC0 handling 
This was found by GCC 8.3 static analysis.

Fixes: 5fb2dcd1792

Backports commit ab8c34105a0ddd0c05159fb76919a18de8df4e8f from qemu
 2019-08-08 19:36:39 -04:00
Aleksandar Markovic 1e148beb0e
target/mips: Correct helper for MSA FCLASS.<W|D> instructions 
Correct helper for MSA FCLASS.<W|D> instructions.

Backports commit 698c5752c4e618dc17b4c78dfa566896c7bce5ef from qemu
 2019-08-08 16:30:15 -04:00
Aleksandar Markovic bf194f980c
target/mips: Unroll loops for MSA float max/min instructions 
Slight preformance improvement for MSA float max/min instructions.

Backports commit 807e6773a5eba62054843b13d96ff778b90aba09 from qemu
 2019-08-08 16:28:49 -04:00
Aleksandar Markovic dd747162e5
target/mips: Correct comments in msa_helper.c 
Fix some errors in comments for MSA helpers.

Backports commit 44da090ba02e60515aa0dc72b30ecc6f56aea771 from qemu
 2019-08-08 16:24:47 -04:00
Aleksandar Markovic 87edd2a82a
target/mips: Correct comments in translate.c 
Fix some checkpatch comment-related warnings.

Backports commit 7480515fcc1b0f7119953d89e93b8507127aeb62 from qemu
 2019-08-08 16:23:02 -04:00