SceCompat: Difference between revisions

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== Module ==
== Module ==


=== Known NIDs ===
{| class="wikitable"
{| class="wikitable"
|-
|-
! Version !! Name !! World !! Privilege !! NID
! Version !! World !! Privilege
|-
| 1.69 || SceCompat || Non-secure || Kernel || 0x7FA33B9B
|-
|-
| 3.60-3.65 || SceCompat || Non-secure || Kernel || 0x8F2D0378
| 1.69-3.65 || Non-secure || Kernel
|}
|}


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typedef struct SceCompatAllocCdramWithHoleParam { // size is 8 on FW 3.60
typedef struct SceCompatAllocCdramWithHoleParam { // size is 8 on FW 3.60
     void *cachedCdramBase;
     void *pCachedCdramBase;
     void *uncachedCdramBase;
     void *pUncachedCdramBase;
} SceCompatAllocCdramWithHoleParam;
} SceCompatAllocCdramWithHoleParam;


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SCE_COMPAT_CACHE_MODE_NONE            = 0,
SCE_COMPAT_CACHE_MODE_NONE            = 0,
SCE_COMPAT_CACHE_MODE_INVALIDATE      = 1,
SCE_COMPAT_CACHE_MODE_INVALIDATE      = 1,
SCE_COMPAT_CACHE_MODE_CLEAN_INVALIDATE = 2
SCE_COMPAT_CACHE_MODE_CLEAN_INVALIDATE = 2,
SCE_COMPAT_CACHE_MODE_CLEAN            = 3
SCE_COMPAT_CACHE_MODE_CLEAN            = 3
} SceCompatCacheMode;
} SceCompatCacheMode;
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|}
|}


On emulated PSP FW 6.60, it returns 660. On emulated PSP FW 6.60, it returns 661.
On emulated PSP FW 6.60, it returns 660. On emulated PSP FW 6.61, it returns 661.


<source lang="C">int sceCompatGetPspSystemSoftwareVersionForVsh(void);</source>
<source lang="C">int sceCompatGetPspSystemSoftwareVersionForVsh(void);</source>
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|}
|}


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


<source lang="C">int sceCompatGetDevInf(SceIoDevInfo *pInfo);</source>
<source lang="C">int sceCompatGetDevInf(SceIoDevInfo *pInfo);</source>
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<source lang="C">
<source lang="C">
// some_id must be between 0 and 6
// some_id must be between 0 and 7. 3 seems disabled.
int sceCompatReadShared32(SceUInt32 some_id, SceUInt32 *pValue);
int sceCompatReadShared32(SceUInt32 some_id, SceUInt32 *pValue);
</source>
</source>
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| 0.990 || not present
| 0.990 || not present
|-
|-
| 1.69 || 0x6E8E3BA8
| 1.69-2.06 || 0x6E8E3BA8
|-
|-
| 3.60 || not present
| 3.60 || not present
|}
|}


<source lang="C">int sceCompatAllocCdram(SceCompatCdram *pCdram);</source>
<source lang="C">int sceCompatAllocCdram(void **ppCachedCdramBase, void **ppUncachedCdramBase);</source>


=== sceCompatAllocCdramWithHole ===
=== sceCompatAllocCdramWithHole ===
Line 497: Line 494:
|}
|}


<source lang="C">int sceCompatAllocCdramWithHole(SceCompatCdram *pCdram);</source>
<source lang="C">int sceCompatAllocCdramWithHole(SceCompatAllocCdramWithHoleParam *pCdram);</source>


=== sceCompatMapDDR ===
=== sceCompatMapDDR ===
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|}
|}


On emulated PSP FW 6.60, it returns 660. On emulated PSP FW 6.60, it returns 661.
On emulated PSP FW 6.60, it returns 660. On emulated PSP FW 6.61, it returns 661.


<source lang="C">int sceCompatGetPspSystemSoftwareVersion(void);</source>
<source lang="C">int sceCompatGetPspSystemSoftwareVersion(void);</source>
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| 0.990-3.60 || 0xCBE73EBE
| 0.990-3.60 || 0xCBE73EBE
|}
|}
Reads act.dat.


<source lang="C">
<source lang="C">
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| 1.69-3.60 || 0xE97C1B5F
| 1.69-3.60 || 0xE97C1B5F
|}
|}
Loads <code>vs0:app/NPXS10028/pcff.skprx</code> and <code>os0:kd/pcbc.skprx</code>, then <code>compat_sm.self</code>, calls <code>SceGrabForDriver_072B8D93(param)</code>, and then issues [[Secure_Modules_Functions#0x10006_-_sceCompatSecLoadSCBootCode|compat_sm command 0x10006]].
<source lang="C">int sceCompatInitEx(int param);</source>


=== sceCompatUninit ===
=== sceCompatUninit ===
Line 718: Line 721:
|}
|}


<source lang="C">int sceCompatLCDCInit(void *base);</source>
<source lang="C">int sceCompatLCDCInit(void *pFrameBufBase);</source>


=== sceCompatLCDCExec ===
=== sceCompatLCDCExec ===
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<source lang="C">int sceCompatReadShared(SceUInt32 offset, void *pBuf, SceSize size);</source>
<source lang="C">int sceCompatReadShared(SceUInt32 offset, void *pBuf, SceSize size);</source>


 
[[Category:ARM]]
[[Category:Kernel]]
[[Category:Modules]]
[[Category:Modules]]
[[Category:Kernel]]
[[Category:Library]]

Latest revision as of 22:26, 16 July 2023

This is the primary kernel interface to the PSP Emulator.

Module

Version World Privilege
1.69-3.65 Non-secure Kernel

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;

typedef struct SceCompatAllocCdramWithHoleParam { // size is 8 on FW 3.60
    void *pCachedCdramBase;
    void *pUncachedCdramBase;
} SceCompatAllocCdramWithHoleParam;

typedef enum SceCompatCacheMode {
	SCE_COMPAT_CACHE_MODE_NONE             = 0,
	SCE_COMPAT_CACHE_MODE_INVALIDATE       = 1,
	SCE_COMPAT_CACHE_MODE_CLEAN_INVALIDATE = 2,
	SCE_COMPAT_CACHE_MODE_CLEAN            = 3
} SceCompatCacheMode;

typedef struct SceCompatCtrl { // size is 0x10 on FW 3.60
    SceUInt32 timestamp;
    SceUInt32 buttons;
    SceUInt8 Lx;
    SceUInt8 Ly;
    SceUInt8 Rx;
    SceUInt8 Ry;
    SceUInt32 reserved;
} SceCompatCtrl;

typedef enum SceCompatPeripheralStateId {
	SCE_COMPAT_PERIPHERAL_STATE_IS_HEADPHONE_EXIST       = 1,
	SCE_COMPAT_PERIPHERAL_STATE_GET_BATTERY_LIFE_PERCENT = 2,
	SCE_COMPAT_PERIPHERAL_STATE_GET_BATTERY_LIFE_TIME    = 3,
	SCE_COMPAT_PERIPHERAL_STATE_IS_SUSPEND_REQUIRED      = 4
} SceCompatPeripheralStateId;

SceCompatForDriver

sceCompatSetColorSpaceModeForDriver

Version NID
0.990 not present
3.60 0x6EBD9E01

Name might also be sceCompatSetDisplayConfigForDriver. 

// mode can be 0, 1 or 2
int sceCompatSetColorSpaceModeForDriver(SceUInt32 mode);

SceCompatForVsh

sceCompatGetTitleListForVsh

Version NID
0.990 not present
3.60 0x4915DEE7

Reads ur0:emu_list/title_list.bin. 

// size must be 100
int sceCompatGetTitleListForVsh(void *pBuf, SceSize size);

sceCompatIsPocketStationTitleForVsh

Version NID
0.990 not present
3.60 0x70997F92

The first 4 characters of the Title Id are letters. The remaining numbers are converted to digital values with strtol,

XORed then compared to SceCompat hardcoded values. 

SceBool sceCompatIsPocketStationTitleForVsh(const char *titleId);

sceCompatGetPspSystemSoftwareVersionForVsh

Version NID
0.990 not present
3.60 0x9C107CC9

On emulated PSP FW 6.60, it returns 660. On emulated PSP FW 6.61, it returns 661. 

int sceCompatGetPspSystemSoftwareVersionForVsh(void);

SceCompat

sceCompatGetUpdateState

Version NID
0.990-1.03 not present
3.60 0x0CDE9EC5 
int sceCompatGetUpdateState(void);

sceCompatGetDevInf

Version NID
0.990 not present
1.03-3.60 0x138006A8

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

int sceCompatGetDevInf(SceIoDevInfo *pInfo);

sceCompatGetPeripheralState

Version NID
0.990-3.60 0x176B2906 
int sceCompatGetPeripheralState(SceCompatPeripheralStateId stateId);

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

Write pCtrl to Shared SRAM. 

int sceCompatWriteSharedCtrl(SceCompatCtrl *pCtrl);

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
1.69-3.60 0x32BA3DCF 
// head must be SCE_DISPLAY_HEAD_MAIN_LCD_OLED
// mode can be 0, 1 or 2
int sceCompatSetDisplayConfig(SceDisplayHead head, SceUInt32 mode);

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

Returns true only if (displayDeviceType & 3) equals 3. 

SceBool sceCompatAvailableColorSpaceSetting(void);

sceCompatCache

Version NID
0.940-3.60 0x6777390E 
int sceCompatCache(SceCompatCacheMode mode, void *base, SceSize size);

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 7. 3 seems disabled.
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

The first 4 characters of the Title Id are letters. The remaining numbers are converted to digital values with strtol,

XORed then compared to SceCompat hardcoded values. 

SceBool sceCompatIsPocketStationTitle(const char *titleId);

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 
// unsure if there is an argument
int sceCompatSetUpdateState(void);

sceCompatStart

Version NID
0.940-3.60 0x8CA1632D 
int sceCompatStart(void);

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

Checks PocketStation RIF. 

int sceCompatCheckPocketStation(void);

sceCompatGetTitleList

Version NID
0.990-1.03 not present
3.60 0x99F13E04

Reads ur0:emu_list/title_list.bin. 

// size must be 100
int sceCompatGetTitleList(void *pBuf, SceSize size);

sceCompatGetCurrentSecureTick

Version NID
0.990-1.03 not present
3.60 0xA073EBEE 
int sceCompatGetCurrentSecureTick(SceRtcTick *pTick);

sceCompatAllocCdram

Version NID
0.990 not present
1.69-2.06 0x6E8E3BA8
3.60 not present 
int sceCompatAllocCdram(void **ppCachedCdramBase, void **ppUncachedCdramBase);

sceCompatAllocCdramWithHole

Version NID
0.990-1.03 not present
3.60 0xA5039FFA 
int sceCompatAllocCdramWithHole(SceCompatAllocCdramWithHoleParam *pCdram);

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 emulated PSP FW 6.60, it returns 660. On emulated PSP FW 6.61, it returns 661. 

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

Reads act.dat. 

// 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
1.69-3.60 0xDC9EE33A 
SceDisplayHead sceCompatGetPrimaryHead(void);

sceCompatSetSuspendSema

Version NID
0.990 not present
1.69-3.60 0xDD30239E 
int sceCompatSetSuspendSema(SceUID sema_id_0, SceUID sema_id_1);

sceCompatInitEx

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

Loads vs0:app/NPXS10028/pcff.skprx and os0:kd/pcbc.skprx, then compat_sm.self, calls SceGrabForDriver_072B8D93(param), and then issues compat_sm command 0x10006. 

int sceCompatInitEx(int param);

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 *pFrameBufBase);

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);
Retrieved from "http://wiki.henkaku.xyz/index.php?title=SceCompat&oldid=20167"