SceCompat

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This is the primary kernel interface to the PSP Emulator.

Module

Known NIDs

Version Name World Privilege NID
1.69 SceCompat Non-secure Kernel 0x7FA33B9B
3.60-3.65 SceCompat Non-secure Kernel 0x8F2D0378

Libraries

Known NIDs

Version Name World Visibility NID
3.60-3.65 SceCompatForDriver Non-secure Kernel 0x7CFA62CD
3.60-3.65 SceCompatForVsh Non-secure User 0xF68A1AD0
0.990-3.65 SceCompat Non-secure User 0x0F35909D

Types

typedef struct SceCompatSettings { // size is 8 on FW 1.03
   SceUInt32 disp_filter : 1;
   SceUInt32 camera_direction : 1;
   SceUInt32 ra_up : 4;
   SceUInt32 ra_down : 4;
   SceUInt32 ra_left : 4;
   SceUInt32 ra_right : 4;
   SceUInt32 reserved : 46;
} SceCompatSettings;

typedef struct SceCompatInitParam { // size is 0x40 on FW 1.03
   char unk[0x40];
} SceCompatInitParam;

SceCompatForDriver

SceCompatForDriver_6EBD9E01

Version NID
0.990 not present
3.60 0x6EBD9E01

SceCompatForVsh

SceCompatForVsh_4915DEE7

Version NID
0.990 not present
3.60 0x4915DEE7

SceCompatForVsh_70997F92

Version NID
0.990 not present
3.60 0x70997F92

SceCompatForVsh_9C107CC9

Version NID
0.990 not present
3.60 0x9C107CC9

SceCompat

sceCompatGetUpdateState

Version NID
0.990-1.03 not present
3.60 0x0CDE9EC5

sceCompatGetDevInf

Version NID
0.990 not present
1.03-3.60 0x138006A8

Calls sceIoDevctlForDriver("ux0", 0x3001, NULL, 0, pInf, sizeof(SceIoDevInfo));. 

int sceCompatGetDevInf(SceIoDevInfo *pInfo);

sceCompatGetPeripheralState

Version NID
0.990-3.60 0x176B2906 
// periph_id: 1: IsHeadphoneExist, 2: GetBatteryLifePercent, 3: GetBatteryLifeTime, 4: IsSuspendRequired
int sceCompatGetPeripheralState(SceUInt32 periph_id);

sceCompatWriteShared32

Version NID
0.990 not present
1.03-3.60 0x1CD51530 
// some_id must be between 0x80 and 0x8A
int sceCompatWriteShared32(SceUInt32 some_id, SceUInt32 value);

sceCompatWriteSharedCtrl

Version NID
0.990-1.03 not present
3.60 0x2306FFED 
// buf max size is 0x10, but only 0xC bytes are written to Shared SRAM
int sceCompatWriteSharedCtrl(void *buf);

sceCompatSetSettings

Version NID
0.990 not present
1.03-1.69 0x312782DC
3.60 not present 
int sceCompatSetSettings(SceCompatSettings settings);

sceCompatSuspendResume

Version NID
0.990 not present
1.69-3.60 0x324112CA 
// mode: 0: suspend, 1: resume
// step: 1: first step, 2: second step
int sceCompatSuspendResume(SceUInt32 mode, SceUInt32 step);

sceCompatSetDisplayConfig

Version NID
0.990-1.03 not present
1.69 0x32BA3DCF

sceCompatRegRead

Version NID
0.990-1.69 0x4521505D
3.60 not present 
// unk_id: if unk_id equals 0, offset + size must be less than 0x3a5d,
// else if unk_id equals 1, offset + size must be less than 0x20000
int sceCompatRegRead(SceUInt32 unk_id, SceUInt32 offset, void *pBuf, SceSize size);

sceCompatAvailableColorSpaceSetting

Version NID
0.990-1.03 not present
3.60 0x456226DD

sceCompatCache

Version NID
0.940-3.60 0x6777390E 
// mode: 1: Invalidate, 2: Clean and Invalidate, 3: Clean
int sceCompatCache(SceUInt32 mode, void *base, SceSize size);

sceCompatAllocCdram

Version NID
0.990 not present
1.69 0x6E8E3BA8

sceCompatWaitSpecialRequest

Version NID
0.940-3.60 0x714F7ED6 
int sceCompatWaitSpecialRequest(SceUInt32 req_id);

sceCompatReadShared32

Version NID
0.990 not present
1.03-3.60 0x73AA4871 
// some_id must be between 0 and 6
int sceCompatReadShared32(SceUInt32 some_id, SceUInt32 *pValue);

sceCompatGetSettings

Version NID
0.990 not present
1.03-1.69 0x782C980E
3.60 not present 
int sceCompatGetSettings(SceCompatSettings *pSettings);

sceCompatIsPocketStationTitle

Version NID
0.990-1.03 not present
3.60 0x7DCFBCCE

sceCompatWaitAndGetRequest

Version NID
0.990-1.03 not present
3.60 0x8176C238 
int sceCompatWaitAndGetRequest(SceUInt32 req_id, SceUInt32 a2);

sceCompatSetUpdateState

Version NID
0.990-1.03 not present
3.60 0x8A44206F

sceCompatStart

Version NID
0.940-3.60 0x8CA1632D

sceCompatPrepareLoad

Version NID
0.940 not present
1.03 0x78E469D6
3.60 not present

Loads Pcff (PSP Compat Flash Files) and Pcbc (PSP Compat Boot Code). 

int sceCompatPrepareLoad(void);

sceCompatRegWrite

Version NID
0.990-1.69 0x912B1C28
3.60 not present 
// unk_id: if unk_id equals 0, offset + size must be less than 0x3a5d,
// else if unk_id equals 1, offset + size must be less than 0x20000
int sceCompatRegWrite(SceUInt32 unk_id, SceUInt32 offset, const void *pBuf, SceSize size);

sceCompatIdStorageLookup

Version NID
0.940-3.60 0x94AAA245 
int sceCompatIdStorageLookup(SceUInt16 key, SceUInt32 offset, void *pBuf, SceSize size);

sceCompatCheckPocketStation

Version NID
0.990 not present
1.03-3.60 0x96FC2A87

sceCompatGetTitleList

Version NID
0.990-1.03 not present
3.60 0x99F13E04

sceCompatGetCurrentSecureTick

Version NID
0.990-1.03 not present
3.60 0xA073EBEE

sceCompatAllocCdramWithHole

Version NID
0.990-1.03 not present
3.60 0xA5039FFA

sceCompatMapDDR

Version NID
0.990 not present
1.03 0xC6B19D35
3.60 not present 
// size must be 0x4000000 (64MB)
int sceCompatMapDDR(SceUID memblock_uid, SceSize size);

sceCompatGetPspSystemSoftwareVersion

Version NID
0.990-3.60 0xB113DCC0

On PSP FW 6.60, it returns 660. 

int sceCompatGetPspSystemSoftwareVersion(void);

sceCompatFrameBufferInit

Version NID
0.990 not present
1.03-3.60 0xBC0E2B4C 
int sceCompatFrameBufferInit(void *base);

sceCompatLCDCSync

Version NID
0.990 not present
1.03-3.60 0xBD177787 
int sceCompatLCDCSync(void);

sceCompatWaitIntr

Version NID
0.990-1.03 not present
3.60 0xC1E14CF5

sceCompatGetRequest

Version NID
0.990-1.03 not present
1.69 0xCB9F607B
3.60 not present

sceCompatDatRead

Version NID
0.990-3.60 0xCBE73EBE 
// index must be 0
// offset + size must be lower or equal to 0x1038
int sceCompatDatRead(SceUInt32 index, SceUInt32 offset, void *pBuf, SceSize size);

sceCompatReturnValueEx

Version NID
0.990 not present
1.69-3.60 0xCC02A9FF

sceCompatGetStatus

Version NID
0.990 not present
1.03-3.60 0xD2E3370E 
int sceCompatGetStatus(void);

sceCompatInterrupt

Version NID
0.940-3.60 0xD6AA36DD

Set a custom SceCompatMailbox address. 

// some_id must be between 0 and 15
int sceCompatInterrupt(SceUInt32 some_id);

sceCompatSetRif

Version NID
0.990 not present
1.03-3.60 0xD8B69F23 
// Example of entitlementId: AA0000-AAAA00000_00-0000000000000000
int sceCompatSetRif(const char *entitlementId);

sceCompatGetPrimaryHead

Version NID
0.990 not present
1.69 0xDC9EE33A

sceCompatSetSuspendSema

Version NID
0.990 not present
1.69-3.60 0xDD30239E

sceCompatInitEx

Version NID
0.990-1.03 not present
1.69-3.60 0xE97C1B5F

sceCompatUninit

Version NID
0.990-3.60 0xEF929397 
int sceCompatUninit(void);

sceCompatStop

Version NID
0.990-3.60 0xFCE2422F 
int sceCompatStop(void);

sceCompatInit

Version NID
0.940-1.03 0xB9DBD54A
3.60 not present

Loads Pcff (PSP Compat Flash Files) and Pcbc (PSP Compat Boot Code). 

int sceCompatInit(SceSize size, SceUInt32 a2, SceCompatInitParam *pParam);

sceCompatLCDCInit

Version NID
0.940-0.990 0x3021D626
1.03-3.60 not present 
int sceCompatLCDCInit(void *base);

sceCompatLCDCExec

Version NID
0.940-0.990 0x7E3E266D
1.03-3.60 not present 
int sceCompatLCDCExec(void);

sceCompatResume

Version NID
0.990 0xCA184D5B
1.03-3.60 not present 
// step: must be either 1 (resume Pervasive, restore CPU speed) or 2 (init lcd dmac, write resume payload, reload act.dat)
int sceCompatResume(SceUInt32 step, int maybe_addr);

sceCompatSuspend

Version NID
0.990 0x9EFFE36E
1.03-3.60 not present 
// step: must be either 1 (black screen) or 2 (suspend Pervasive, slow down CPU, wipe act.dat in memory)
int sceCompatSuspend(SceUInt32 step);

sceCompatWriteShared

Version NID
0.990 0xC37A463C
1.03-3.60 not present

Writes to SceCompatSharedSram. 

int sceCompatWriteShared(SceUInt32 offset, const void *pBuf, SceSize size);

sceCompatWaitRequest

Version NID
0.990-1.03 0x434BDAB0
3.60 not present 
int sceCompatWaitRequest(SceUInt32 req_id);

sceCompatReturnResult

Version NID
0.990 0x02F5CF19
1.03-3.60 not present 
int sceCompatReturnResult(SceUInt32 req_id);

sceCompatReturnValue

Version NID
0.990-1.03 0x61DB492A
3.60 not present 
int sceCompatReturnValue(SceUInt32 req_id, uint a2, uint a3);

sceCompatSetDisplayBuffer

Version NID
0.990-1.03 0xC820EC43
3.60 not present 
int sceCompatSetDisplayBuffer(const SceDisplayFrameBuf *pFrameBuf);

sceCompatReadShared

Version NID
0.990 0xC983287E
1.03-3.60 not present 
int sceCompatReadShared(SceUInt32 offset, void *pBuf, SceSize size);
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