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262 commits

Author SHA1 Message Date
Nekotekina
083397a555 vm: lock memory under "sudo" addr 
Remove memory touching from transactions.
 2020-11-09 23:54:36 +03:00
Nekotekina
d1988d384c vm: remove unnecessary memset() on stop 2020-11-09 22:57:36 +03:00
Nekotekina
bc61835d97 CPU: use unsigned (u8) priority in suspend_all 2020-11-09 22:57:36 +03:00
Nekotekina
8bc9868c1f SPU/vm: Improve vm::range_lock a bit 
Use some prefetching
Use optimistic locking
 2020-11-08 17:23:17 +03:00
Nekotekina
21ec32b465 vm: implement g_shmem for range locks 
Renamed from g_shareable. Contains pointers instead of bits.
Used in range locks to prevent any "collision" between memory.
 2020-11-08 16:43:15 +03:00
Nekotekina
1c99a2e7fb vm: add map_self() method to utils::shm 
Add complementary unmap_self() method.
Move VirtualMemory to util/vm.hpp
Minor associated include cleanup.
Move asm.h to util/asm.hpp
 2020-11-08 16:43:15 +03:00
Nekotekina
b68bdafadc vm: refactor vm::range_lock again 
Move bits to the highest, set RWX order.
Use only one reserved value (W = locked).
Assume lock size 128 for range_locked.
Add new "Size" template argument that replaces normal argument.
 2020-11-08 16:43:15 +03:00
Eladash
6dcd482dd0 SPU reservations: Do not illegally dereference reservation data 2020-11-07 14:03:09 +03:00
Nekotekina
34fa010601 Improve cond_var notifiers 
But nobody uses it anyway, so clean up includes.
 2020-11-06 00:10:16 +03:00
Nekotekina
ba5ed5f380 Fix vm::lock_range wrong check 
Minor header refactoring.
 2020-11-04 14:59:26 +03:00
Nekotekina
5d7acda80e vm: minor refactoring 
Renamed internal main range locking method.
 2020-11-04 14:59:25 +03:00
Nekotekina
06ecc2ae68 vm::range_lock cleanup and minor optimization 
Removed unused arg.
Linearized some branches.
 2020-11-01 23:29:33 +03:00
Nekotekina
46d3066c62 Optimize vm::range_lock 
Only test address on `range_locked`
Don't check current transaction
Remove vm::clear_range_locks completely
 2020-11-01 16:46:06 +03:00
Nekotekina
ca57f25f26 Fix vm::page_protect and range flags 
Should fix assertion in vm.cpp
Minor refactoring of internal locking
 2020-11-01 02:30:10 +03:00
Nekotekina
78c986b5dd Improve vm::range_lock 
Not sure how it ever worked
Clear redundant vm::clear_range_lock usage
 2020-10-31 23:53:14 +03:00
Nekotekina
86fc842c89 TSX: new fallback method (time-based) 
Basically, using timestamp counter.
Rewritten vm::reservation_op with the same principle.
Rewritten another transaction helper.
Add two new settings for configuring fallbacks.
Two limits are specified in nanoseconds (first and second).
Fix PUTLLC reload logic (prevent reusing garbage).
 2020-10-31 15:34:14 +03:00
Nekotekina
80530e8aef vm: rename g_addr_lock to g_range_lock 
Reduce size to 29 bits and use 3 bits to communicate some information.
This information can be used to to a very cheap lock-free access tests.
 2020-10-31 15:08:49 +03:00
Megamouse
2cee26c3e7 Cleanup some includes 2020-10-31 11:53:46 +01:00
Nekotekina
7dd85b207f vm: optimize range lock slot allocations 
Doesn't seem to need a barrier.
 2020-10-30 22:20:20 +03:00
Nekotekina
f972fa26a4 Derive RSX Replay thread from cpu_thread 
Its id is set to 0, so fix some id_type() usages.
 2020-10-30 17:36:11 +03:00
Nekotekina
150e18539c Allow cpu_thread& arg passed to the syscalls 
Minor cleanup. cpu_mem(), cpu_unmem() removed.
 2020-10-30 17:03:32 +03:00
Nekotekina
3419d15878 vm: add extern clear_range_locks function 
Allows to wait for range locks to clear for specified range.
vm::range_lock now monitors specified reservation lock as well.
 2020-10-30 07:58:16 +03:00
Nekotekina
0da24f21d6 CPU: improve cpu_thread::suspend_all for cache efficiency (TSX) 
Add prefetch hint list parameter.
Workloads may be executed by another thread on another CPU core.
It means they may benefit from directly prefetching the data as hinted.
Also implement mov_rdata_nt, for "streaming" data from such workloads.
 2020-10-30 05:22:09 +03:00
Nekotekina
d6daa0d05b Fix cpu_flag::temp, make sure it removes cpu_flag::wait 2020-10-28 14:00:09 +03:00
Nekotekina
86785dffa4 SPU: make vm::check_addr checks safe under vm::range_lock 
Reuse some internal locking mechanisms.
Also fix vm::range_lock missing check.
 2020-10-28 14:00:09 +03:00
Nekotekina
c491b73f3a SPU: improve accurate DMA 
Remove vm::reservation_lock from it.
Use lock bits to prevent memory clobbering in GETLLAR.
Improve u128 for MSVC since it's used for bitlocking.
Improve 128 bit atomics for the same reason.
Improve vm::reservation_op and friends.
 2020-10-28 03:47:41 +03:00
Nekotekina
4966f6de73 vm: improve range_lock and shareable cache (Non-TSX) 
Allocate "personal" range lock variable for each spu_thread.
Switch from reservation_lock to range lock for all stores.
Detect actual memory mirrors in shareable cache setup logic.
 2020-10-27 17:56:19 +03:00
Nekotekina
4384ae15b4 Improve vm::reservation_op 
Remove XABORT, sync status handling with SPU/PPU transaction.
Limit max number of transaction attempts in loop.
Add Ack template parameter, as in vm::reservation_light_op.
Remove utils::tx_abort, improve utils::tx_start as well.
 2020-10-20 09:10:21 +03:00
Nekotekina
120849c734 Implement perf stat counter for PPU/SPU reservation ops 
Adds Emu/perf_meter.hpp header file.
Uses RDTSC for speed.
Prints stats at exit.
 2020-10-19 19:41:28 +03:00
Nekotekina
1885e4345c Improve vm::reservation_update 
Only respect unique lock.
 2020-10-11 17:22:28 +03:00
Nekotekina
050c3e1d6b Rewrite cpu_thread::suspend_all 
Now it's a function of higher order.
Make only one thread do the hard work of thread pausing.
 2020-10-10 13:58:48 +03:00
Nekotekina
346a1d4433 vm: rewrite reservation bits 
Implement classic unique/shared locking concept.
Implement vm::reservation_light_op.
 2020-10-10 13:58:48 +03:00
Nekotekina
89f1248140 Implement vm::reservation_op 
Implement vm::reservation_peek (memory load)
Implement vm::unsafe_ptr_cast helper
Example use in cellSpurs.cpp
Fix dma_lockb value and description
 2020-10-07 20:11:59 +03:00
Eladash
f4ca6f02a1 PPU: Implement support for 128-byte reservations coherency 2020-09-28 22:34:42 +03:00
Eladash
53c8ed6a63 vm: Fix stack memory release, always reset memory flags 2020-09-26 21:48:12 +03:00
Eladash
73d23eb6e6
SPU: Implement Accurate DMA (#8822) 2020-09-02 23:58:29 +02:00
Eladash
ee953f7953 Fix vm::reservation_update 2020-08-16 22:58:49 +03:00
Eladash
d9750e8f9f SPU/PPU reservations: Optimizations for reservation locks and check_state() (non-TSX) 2020-07-09 03:17:35 +01:00
Eladash
3df83e03a9 SPU: Fix possible deadlock after access violation via DMA transfers 2020-05-28 23:23:11 +03:00
Eladash
a199c71a55 SPU: Fix page faults notifications (non-TSX) 2020-05-28 23:23:11 +03:00
Eladash
93122196d9 vm: Fix vm::passive_lock regression (#8175) 
possible broken signaling in rare occusions.
 2020-05-13 16:53:59 +03:00
Eladash
b38580bf32 SPU: Use optimized PPU signaling to SPU on reservation pause 2020-05-13 11:10:13 +01:00
Eladash
a6025df7de vm: reset stack memory after deallocation 2020-05-06 18:03:37 +03:00
Nekotekina
58ba6d68bb Don't use std::popcount (workaround) 
It seems MSVC uses POPCNT instruction when compiling for SSE2.
 2020-04-25 18:01:39 +03:00
Nekotekina
0f6a0d2740 Expand vm::g_addr_lock to 64 bit to support ranges 
Optimization.
 2020-04-16 02:25:43 +03:00
Nekotekina
c7fe8567b8 Experimental squashing of reservation memory area. 
Enables trivial synchronization between shared mem.
Reduces memory usage, but potentially degrades performance.
Rename an overload of vm::passive_lock to vm::range_lock.
 2020-04-16 02:25:43 +03:00
Nekotekina
f72af2973d Replace utils::popcnt32 with std::popcount 
Cleanup includes.
 2020-04-14 16:05:58 +03:00
Nekotekina
032e7c0491 Replace utils::cntlz{32,64} with std::countl_zero 2020-04-14 16:05:58 +03:00
Eladash
bbbd06dcee Make vm::_test_map aware of overflow 
+ remove vm::find_map 1024mb limit.
 2020-04-05 17:40:23 +03:00
Eladash
cb4192bce9 vm: Log all guest memory bases at startup 2020-03-14 18:30:14 +02:00