ppsspp

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Henrik RydgårdandClaude Opus 5.5 25c6f15e56 ME: Sony's ME image, the SceMeRpc sysevent handler, the VME's status

What the firmware sets up for the ME at boot, which mcidclan's custom-core
libraries rely on, at kernel init when the ME is emulated:

- Sony's ME image at 0x88300000, as me_wrapper loads it: meimg.img on a
  PSP-1000, me_t2img.img on later models, from the installed firmware's
  flash0:/kd/resource, decrypted and KL4E-decompressed (only the first of
  its two streams, the code). Custom-core calls functions in it, picking
  per-model address tables by the word at 0x18. Without the firmware it's
  logged and left out.
- A "SceMeRpc" sysevent handler record, which sceKernelReferSysEventHandler
  (new, sceSysEventForKernel) returns, and custom-core takes over.

Also the VME's control registers (0xBCC00000), kept, with the status at
0x10 reading as done: custom-core's ME startup writes 1 there and waits.

mcidclan's custom-core poc, hw-mutex, gu-shared-list and exceptions
samples now run.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

2026-10-21 12:06:11 +02:00

__sceAudio.cpp

SaveState: Check the audio and media modules' values from a state

2026-10-20 00:20:24 +02:00

__sceAudio.h

sceAudio: implement sceAudioOneshotOutput, and cover the rest of the channel rules

2026-09-10 17:03:07 -06:00

AtracBase.h

Atrac3: Set up the decoder the way libatrac3plus does

2026-09-29 17:14:00 -06:00

AtracCtx2.cpp

SaveState: Check the audio and media modules' values from a state

2026-10-20 00:20:24 +02:00

AtracCtx2.h

Atrac3: Set up the decoder the way libatrac3plus does

2026-09-29 17:14:00 -06:00

AtracCtx.cpp

SaveState: Check the audio and media modules' values from a state

2026-10-20 00:20:24 +02:00

AtracCtx.h

Atrac: Fix host heap overflow from a loop start past the end of the file

2026-10-08 14:27:01 +02:00

ErrorCodes.h

sceReg: Refuse to create a key that already exists

2026-10-10 17:11:19 +02:00

FunctionWrappers.h

HLE: kuKernelCall and sctrlHENFindFunction

2026-10-20 21:18:21 +02:00

HLE.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

HLE.h

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

HLEHelperThread.cpp

Invalidate code that HLE and the debugger write over

2026-10-11 10:33:30 +02:00

HLEHelperThread.h

Make instruction cache invalidation (for us, jit cache invalidation) clearer

2026-08-16 16:59:52 +02:00

HLETables.cpp

ME: Sony's ME image, the SceMeRpc sysevent handler, the VME's status

2026-10-21 12:06:11 +02:00

HLETables.h

…

HLEUtil.h

More manual Read_U32 cleanup

2026-08-11 10:28:36 +02:00

KernelThreadDebugInterface.h

Win32 debugger: stop cutting off register values in CtrlRegisterList

2026-09-12 13:46:12 -06:00

KernelWaitHelpers.h

Kernel waits: Share waiter ordering and clearing between objects

2026-09-30 09:06:30 -06:00

KUBridge.cpp

HLE: kuKernelCall and sctrlHENFindFunction

2026-10-20 21:18:21 +02:00

KUBridge.h

HLE: kuKernelCall and sctrlHENFindFunction

2026-10-20 21:18:21 +02:00

NetAdhocCommon.cpp

Adhoc: Stop waiting for a login that has already failed

2026-09-29 12:37:48 -06:00

NetAdhocCommon.h

Adhoc: Stop waiting for a login that has already failed

2026-09-29 12:37:48 -06:00

NetInetConstants.cpp

Windows: Avoid POSIX error codes leaking into our WSA socket error codes

2026-08-10 10:04:21 +02:00

NetInetConstants.h

More error code cleanup

2025-08-06 17:44:54 +02:00

Plugins.cpp

When loading plugins, show the plugin name, not the filename.

2026-05-02 11:07:34 +02:00

Plugins.h

Run module_start of plugins before starting boot module

2025-06-13 23:29:49 +02:00

proAdhoc.cpp

sceNetInet: Only let the ad hoc settings change bind addresses during ad hoc

2026-10-20 08:59:03 +02:00

proAdhoc.h

sceNetInet: Only let the ad hoc settings change bind addresses during ad hoc

2026-10-20 08:59:03 +02:00

proAdhocServer.cpp

Adhoc: Fix shutdown hanging when it comes right after adhoc init

2026-09-29 11:58:42 -06:00

proAdhocServer.h

…

PSPThreadContext.h

Expose PSPThread in the same manner

2025-03-31 10:24:03 +02:00

ReplaceTables.cpp

ME: sceSysreg_driver's ME reset and clock calls, MMIO copies in sysclib

2026-10-21 12:06:11 +02:00

ReplaceTables.h

Memory: Give the Media Engine an address space of its own

2026-10-20 22:22:40 +02:00

sceAac.cpp

Savestate: Reset what older states lack instead of keeping pre-load values

2026-09-28 11:32:07 -06:00

sceAac.h

Show sceAac contexts in ImDebugger

2025-07-20 19:30:35 +02:00

sceAdler.cpp

Rename some module-related functions to include HLE where appropriate

2025-03-31 11:17:50 +02:00

sceAdler.h

HLE: graduate the leaf libraries games carry on the disc

2026-09-11 21:09:33 -06:00

sceAtrac.cpp

SaveState: Check the audio and media modules' values from a state

2026-10-20 00:20:24 +02:00

sceAtrac.h

Atrac: Rework the header dependencies

2025-06-25 11:34:07 +02:00

sceAudio.cpp

Mic: Implement sceAudioWaitInputEnd/PollInputEnd and the sceUsbMic equivalents

2026-10-16 18:32:07 +02:00

sceAudio.h

Audio: Don't emulate a failed blocking wait leaving the channel busy for good

2026-09-29 09:19:32 -06:00

sceAudiocodec.cpp

SaveState: Check the audio and media modules' values from a state

2026-10-20 00:20:24 +02:00

sceAudiocodec.h

sceAudiocodec: Fill in the context the way the PSP does

2026-10-19 14:14:34 +02:00

sceAudioRouting.cpp

Rename some module-related functions to include HLE where appropriate

2025-03-31 11:17:50 +02:00

sceAudioRouting.h

…

sceCcc.cpp

sceCcc: Stop string conversions at invalid input

2026-10-16 22:05:12 +02:00

sceCcc.h

…

sceChkreg.cpp

Apply proper names to some more HLE functions

2026-08-24 17:37:39 +02:00

sceChkreg.h

Implement or stub assorted functions the VSH is calling

2026-08-21 10:56:06 +02:00

sceChnnlsv.cpp

Savedata: Keep the IO thread out of the dialog's state

2026-09-25 12:50:39 -06:00

sceChnnlsv.h

Remove global state from kirk engine

2025-06-05 22:46:24 +02:00

sceCtrl.cpp

HLE: Kernel NIDs for sceKernelPollEventFlag and the 3.71 sampling setters

2026-10-21 08:58:10 +02:00

sceCtrl.h

Debugger: Time input.buttons.press in emulated vblanks

2026-09-30 09:58:37 -06:00

sceDeflt.cpp

Rename the get-memory-pointer functions to make it clear where CPU exceptions can happen.

2026-08-12 14:06:16 +02:00

sceDeflt.h

HLE: graduate the leaf libraries games carry on the disc

2026-09-11 21:09:33 -06:00

sceDisplay.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceDisplay.h

Debugger: add game.speed.get/set for fast-forward and a speed percentage

2026-08-18 13:42:13 +02:00

sceDmac.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceDmac.h

…

sceFont.cpp

SaveState: Fixes from a review of the IO and dialog savestates

2026-10-20 00:20:24 +02:00

sceFont.h

HLE: graduate the leaf libraries games carry on the disc

2026-09-11 21:09:33 -06:00

sceG729.cpp

Rename some module-related functions to include HLE where appropriate

2025-03-31 11:17:50 +02:00

sceG729.h

…

sceGameUpdate.cpp

Expose sceMpeg context to a future debugger window. Some general log cleanup.

2025-04-03 22:39:14 +02:00

sceGameUpdate.h

…

sceGe.cpp

sceGe: sceGeEdramGetHwSize and sceGeEdramSetSize

2026-10-20 21:18:21 +02:00

sceGe.h

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceHeap.cpp

Savestate: Bounds-check sizes from the file, and plug leaks on load

2026-09-28 09:34:06 -06:00

sceHeap.h

HLE: graduate the leaf libraries games carry on the disc

2026-09-11 21:09:33 -06:00

sceHprm.cpp

Boot the VSH on every firmware, 1.50 through 6.61

2026-09-09 14:43:39 -06:00

sceHprm.h

HLE: implement assorted stubs and minor functionality

2026-08-19 18:38:03 +02:00

sceHttp.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceHttp.h

Allow passing in a custom resolver to HTTPRequest and Connection. This inverts the bad dependency.

2025-08-06 00:16:34 +02:00

sceImpose.cpp

Savestate: Reset what older states lack instead of keeping pre-load values

2026-09-28 11:32:07 -06:00

sceImpose.h

HLE: implement assorted stubs and minor functionality

2026-08-19 18:38:03 +02:00

sceIo.cpp

sceIo: PGD offset through a pointer, and plain data from that offset

2026-10-20 21:49:46 +02:00

sceIo.h

sceKernelLoadModule: Charge for reading the file and loading it

2026-09-29 11:09:47 -06:00

sceJpeg.cpp

Rename the get-memory-pointer functions to make it clear where CPU exceptions can happen.

2026-08-12 14:06:16 +02:00

sceJpeg.h

…

sceKernel.cpp

ME: Sony's ME image, the SceMeRpc sysevent handler, the VME's status

2026-10-21 12:06:11 +02:00

sceKernel.h

HLE: Register ExceptionManagerForKernel, sceCtrlSetButtonIntercept

2026-10-20 21:18:21 +02:00

sceKernelAlarm.cpp

Kernel: Keep alarm and vtimer queues in step with their pending interrupts

2026-10-19 21:41:48 +02:00

sceKernelAlarm.h

…

sceKernelEventFlag.cpp

Savestates: Terminate fixed-size name strings on load

2026-10-09 15:32:06 +02:00

sceKernelEventFlag.h

Expose EventFlag/Mutex/Semaphore/MsgPipe/Callback in their headers

2026-08-17 16:01:23 +02:00

sceKernelHeap.cpp

HLE: 6.60 kernel NIDs for module loading, memset and strnlen

2026-10-20 21:49:42 +02:00

sceKernelHeap.h

Savestate: Fix loading kernel heaps and pre-exit-callback states

2026-09-28 09:34:05 -06:00

sceKernelInterrupt.cpp

ME: sceSysreg_driver's ME reset and clock calls, MMIO copies in sysclib

2026-10-21 12:06:11 +02:00

sceKernelInterrupt.h

ME: Reset, interrupts and the other registers homebrew runs the ME with

2026-10-21 09:33:26 +02:00

sceKernelMbx.cpp

Savestates: Terminate fixed-size name strings on load

2026-10-09 15:32:06 +02:00

sceKernelMbx.h

…

sceKernelMemory.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceKernelMemory.h

Module start/stop threads: Honor the whole SceKernelSMOption

2026-10-05 10:10:22 -06:00

sceKernelModule.cpp

Loader: Skip the exports of a module whose export table isn't in memory

2026-10-21 08:58:10 +02:00

sceKernelModule.h

HLE: Add sceKernelQueryLoadCoreCB

2026-10-21 08:58:10 +02:00

sceKernelMsgPipe.cpp

Savestates: Terminate fixed-size name strings on load

2026-10-09 15:32:06 +02:00

sceKernelMsgPipe.h

Expose EventFlag/Mutex/Semaphore/MsgPipe/Callback in their headers

2026-08-17 16:01:23 +02:00

sceKernelMutex.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceKernelMutex.h

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceKernelSemaphore.cpp

Savestates: Terminate fixed-size name strings on load

2026-10-09 15:32:06 +02:00

sceKernelSemaphore.h

libkirk: let C++ callers include its headers directly

2026-09-08 11:15:15 -06:00

sceKernelThread.cpp

Kernel: A kernel module's threads may have priorities 0x01-0x7E

2026-10-20 21:18:21 +02:00

sceKernelThread.h

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceKernelTime.cpp

Reschedule on IO completion, drop the reschedule in time queries

2026-09-29 09:19:32 -06:00

sceKernelTime.h

…

sceKernelVTimer.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceKernelVTimer.h

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceMd5.cpp

Keep the SHA-1 context in game memory too, and scope the Tlspl partition range to user mode

2026-09-08 15:18:02 -06:00

sceMd5.h

HLE: graduate the leaf libraries games carry on the disc

2026-09-11 21:09:33 -06:00

sceMp3.cpp

Drop unused Config.h and SmallDataConvert.h includes

2026-10-13 12:13:42 +02:00

sceMp3.h

Rename mp3Map to g_mp3Map

2025-07-20 19:32:05 +02:00

sceMp4.cpp

Rename some module-related functions to include HLE where appropriate

2025-03-31 11:17:50 +02:00

sceMp4.h

…

sceMpeg.cpp

SaveState: Check the audio and media modules' values from a state

2026-10-20 00:20:24 +02:00

sceMpeg.h

sceMpegbase: implement the colour conversion functions

2026-09-12 11:52:09 -06:00

sceMpegbase.cpp

Upload video frames written partway into a framebuffer

2026-10-11 22:50:57 +02:00

sceMpegbase.h

Give the Media Engine an address space instead of a table of packets

2026-09-20 16:39:35 -06:00

sceMt19937.cpp

Rename the get-memory-pointer functions to make it clear where CPU exceptions can happen.

2026-08-12 14:06:16 +02:00

sceMt19937.h

HLE: graduate the leaf libraries games carry on the disc

2026-09-11 21:09:33 -06:00

sceNet_lib.cpp

Rename the get-memory-pointer functions to make it clear where CPU exceptions can happen.

2026-08-12 14:06:16 +02:00

sceNet_lib.h

…

sceNet.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceNet.h

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceNetAdhoc.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceNetAdhoc.h

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceNetAdhocMatching.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceNetAdhocMatching.h

Adhoc: Restore the inited flags from savestates

2026-10-18 09:15:51 +02:00

sceNetApctl.cpp

…

sceNetApctl.h

…

sceNetInet.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceNetInet.h

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceNetResolver.cpp

Drop unused Config.h and SmallDataConvert.h includes

2026-10-13 12:13:42 +02:00

sceNetResolver.h

sceNetResolver: Move error codes to enum, modernize logging

2025-04-07 22:16:32 +02:00

sceNp2.cpp

HLE: Pass the MIPSState to syscalls and their implementations

2026-10-20 15:45:14 +02:00

sceNp2.h

…

sceNp.cpp

Rename the get-memory-pointer functions to make it clear where CPU exceptions can happen.

2026-08-12 14:06:16 +02:00

sceNp.h

…

sceOpenPSID.cpp

Rename some module-related functions to include HLE where appropriate

2025-03-31 11:17:50 +02:00

sceOpenPSID.h

…

sceP3da.cpp