Commit Graph

12 Commits

Author SHA1 Message Date
David Guillen Fandos 5ffd2832e8 Rewrite of the MIPS dynarec stubs
This allows us to emit the handlers directly in a more efficient manner.
At the same time it allows for an easy fix to emit PIC code, which is
necessary for libretro. This also enables more platform specific
optimizations and variations, perhaps even run-time multiplatform
support.
2021-03-16 22:58:58 +01:00
David Guillen Fandos 56dc6ecb70 Remove libco
This removes libco and all the usages of it (+pthreads).
Rewired all dynarecs and interpreter to return after every frame so that
libretro can process events. This required to make dynarec re-entrant.

Dynarecs were updated to check for new frame on every update (IRQ, cycle
exhaustion, I/O write, etc). The performance impact of doing so should
be minimal (and definitely outweight the libco gains). While at it,
fixed small issues to get a bit more perf: arm dynarec was not idling
correctly, mips was using stack when not needed, etc.

Tested on PSP (mips), OGA (armv7), Linux (x86 and interpreter). Not
tested on Android though.
2021-03-08 18:44:03 +01:00
David Guillen Fandos 3d558413fd Fix x86 dynarec, broken by d10c4afe
The dynarec expects function args to be located in registers instead of
the stack, which is not the default calling convetion in GCC/clang.
2021-03-06 21:15:22 +01:00
David Guillen Fandos ed3ba2c18b More cleanups (mostly whitespace and unused stuff) 2021-02-15 21:51:49 +01:00
negativeExponent d8225bb313 Add optional battery save using libretro save api
- Adds core option to allow battery saves using the libretro api
  (retro_get_memory_data/size)
- Initial save size set at 128KB and actual size is automatically
  determined internally by gba.
- This will always assume that a save file is supported since save
  size or type cannot be determined until gba tries to write to backup memory.
- A 128KB block of memory is used as buffer, similar method to VBA
  Next/Beetle GBA workarounds.

Fix https://github.com/libretro/gpsp/issues/72
2020-09-05 20:47:59 +08:00
Twinaphex d10c4afea2 Get rid of function_cc 2014-12-20 09:14:38 +01:00
twinaphex ba834beeb1 Change load_gamepak signature 2014-12-20 08:35:53 +01:00
aliaspider a3201b066d increase savestate size, was smaller than what was required for 64-bit
builds.
2014-12-12 02:54:41 +01:00
twinaphex 7a0b0cba45 Style nits 2014-12-10 15:47:19 +01:00
aliaspider 41484cd73c use correct save directory. 2014-12-10 12:00:12 +01:00
aliaspider ad485d434a implement retro_serialize/unserialize 2014-12-10 11:06:17 +01:00
aliaspider afff31b508 fix arm target compile errors. 2014-12-10 01:03:14 +01:00
Renamed from memory.h (Browse further)