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
| 1.69-3.65 || Non-secure || Kernel
|-
| 3.60-3.65 || SceCompat || Non-secure || Kernel || 0x8F2D0378
|}
|}


Line 27: Line 24:
| 0.990-3.65 || [[SceCompat#SceCompat|SceCompat]] || Non-secure || User || 0x0F35909D
| 0.990-3.65 || [[SceCompat#SceCompat|SceCompat]] || Non-secure || User || 0x0F35909D
|}
|}
== Types ==
<source lang="C">
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;
</source>


== SceCompatForDriver ==
== SceCompatForDriver ==


=== SceCompatForDriver_6EBD9E01 ===
=== sceCompatSetColorSpaceModeForDriver ===
{| class="wikitable"
{| class="wikitable"
|-
|-
Line 39: Line 83:
| 3.60 || 0x6EBD9E01
| 3.60 || 0x6EBD9E01
|}
|}
Name might also be sceCompatSetDisplayConfigForDriver.
<source lang="C">
// mode can be 0, 1 or 2
int sceCompatSetColorSpaceModeForDriver(SceUInt32 mode);
</source>


== SceCompatForVsh ==
== SceCompatForVsh ==


=== SceCompatForVsh_4915DEE7 ===
=== sceCompatGetTitleListForVsh ===
{| class="wikitable"
{| class="wikitable"
|-
|-
Line 52: Line 103:
|}
|}


=== SceCompatForVsh_70997F92 ===
Reads ur0:emu_list/title_list.bin.
 
<source lang="C">
// size must be 100
int sceCompatGetTitleListForVsh(void *pBuf, SceSize size);
</source>
 
=== sceCompatIsPocketStationTitleForVsh ===
{| class="wikitable"
{| class="wikitable"
|-
|-
Line 62: Line 120:
|}
|}


=== SceCompatForVsh_9C107CC9 ===
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.
 
<source lang="C">SceBool sceCompatIsPocketStationTitleForVsh(const char *titleId);</source>
 
=== sceCompatGetPspSystemSoftwareVersionForVsh ===
{| class="wikitable"
{| class="wikitable"
|-
|-
Line 71: Line 135:
| 3.60 || 0x9C107CC9
| 3.60 || 0x9C107CC9
|}
|}
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>


== SceCompat ==
== SceCompat ==
Line 79: Line 147:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || not present
| 0.990-1.03 || not present
|-
|-
| 3.60 || 0x0CDE9EC5
| 3.60 || 0x0CDE9EC5
|}
|}
<source lang="C">int sceCompatGetUpdateState(void);</source>


=== sceCompatGetDevInf ===
=== sceCompatGetDevInf ===
Line 91: Line 161:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 1.69-3.60 || 0x138006A8
| 1.03-3.60 || 0x138006A8
|}
|}
Calls sceIoDevctlForDriver("ux0", 0x3001, NULL, 0, pInfo, sizeof(SceIoDevInfo));.
<source lang="C">int sceCompatGetDevInf(SceIoDevInfo *pInfo);</source>


=== sceCompatGetPeripheralState ===
=== sceCompatGetPeripheralState ===
Line 102: Line 176:
|}
|}


<source lang="C">
<source lang="C">int sceCompatGetPeripheralState(SceCompatPeripheralStateId stateId);</source>
// periph_id: 1: IsHeadphoneExist, 2: GetBatteryLifePercent, 3: GetBatteryLifeTime, 4: IsSuspendRequired
int sceCompatGetPeripheralState(SceUInt32 periph_id);
</source>


=== sceCompatWriteShared32 ===
=== sceCompatWriteShared32 ===
Line 114: Line 185:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 1.69-3.60 || 0x1CD51530
| 1.03-3.60 || 0x1CD51530
|}
|}
<source lang="C">
// some_id must be between 0x80 and 0x8A
int sceCompatWriteShared32(SceUInt32 some_id, SceUInt32 value);
</source>


=== sceCompatWriteSharedCtrl ===
=== sceCompatWriteSharedCtrl ===
Line 122: Line 198:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || not present
| 0.990-1.03 || not present
|-
|-
| 1.69-3.60 || 0x2306FFED
| 3.60 || 0x2306FFED
|}
|}
Write pCtrl to Shared SRAM.
<source lang="C">int sceCompatWriteSharedCtrl(SceCompatCtrl *pCtrl);</source>


=== sceCompatSetSettings ===
=== sceCompatSetSettings ===
Line 134: Line 214:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 1.69 || 0x312782DC
| 1.03-1.69 || 0x312782DC
|-
|-
| 3.60 || not present
| 3.60 || not present
|}
|}
<source lang="C">int sceCompatSetSettings(SceCompatSettings settings);</source>


=== sceCompatSuspendResume ===
=== sceCompatSuspendResume ===
Line 148: Line 230:
| 1.69-3.60 || 0x324112CA
| 1.69-3.60 || 0x324112CA
|}
|}
<source lang="C">
// mode: 0: suspend, 1: resume
// step: 1: first step, 2: second step
int sceCompatSuspendResume(SceUInt32 mode, SceUInt32 step);
</source>


=== sceCompatSetDisplayConfig ===
=== sceCompatSetDisplayConfig ===
Line 154: Line 242:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || not present
| 0.990-1.03 || not present
|-
|-
| 1.69 || 0x32BA3DCF
| 1.69-3.60 || 0x32BA3DCF
|}
|}
<source lang="C">
// head must be SCE_DISPLAY_HEAD_MAIN_LCD_OLED
// mode can be 0, 1 or 2
int sceCompatSetDisplayConfig(SceDisplayHead head, SceUInt32 mode);
</source>


=== sceCompatRegRead ===
=== sceCompatRegRead ===
Line 169: Line 263:
|}
|}


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


=== sceCompatAvailableColorSpaceSetting ===
=== sceCompatAvailableColorSpaceSetting ===
Line 176: Line 274:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || not present
| 0.990-1.03 || not present
|-
|-
| 3.60 || 0x456226DD
| 3.60 || 0x456226DD
|}
|}
Returns true only if (displayDeviceType & 3) equals 3.
<source lang="C">SceBool sceCompatAvailableColorSpaceSetting(void);</source>


=== sceCompatCache ===
=== sceCompatCache ===
Line 189: Line 291:
|}
|}


<source lang="C">
<source lang="C">int sceCompatCache(SceCompatCacheMode mode, void *base, SceSize size);</source>
// mode: 1: Invalidate, 2: Clean and Invalidate, 3: Clean
int sceCompatCache(SceUInt32 mode, void *base, SceSize size);
</source>
 
=== sceCompatAllocCdram ===
{| class="wikitable"
|-
! Version !! NID
|-
| 0.990 || not present
|-
| 1.69 || 0x6E8E3BA8
|}


=== sceCompatWaitSpecialRequest ===
=== sceCompatWaitSpecialRequest ===
Line 221: Line 310:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 1.69-3.60 || 0x73AA4871
| 1.03-3.60 || 0x73AA4871
|}
|}
<source lang="C">
// some_id must be between 0 and 7. 3 seems disabled.
int sceCompatReadShared32(SceUInt32 some_id, SceUInt32 *pValue);
</source>


=== sceCompatGetSettings ===
=== sceCompatGetSettings ===
Line 231: Line 325:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 1.69 || 0x782C980E
| 1.03-1.69 || 0x782C980E
|-
|-
| 3.60 || not present
| 3.60 || not present
|}
|}
<source lang="C">int sceCompatGetSettings(SceCompatSettings *pSettings);</source>


=== sceCompatIsPocketStationTitle ===
=== sceCompatIsPocketStationTitle ===
Line 241: Line 337:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || not present
| 0.990-1.03 || not present
|-
|-
| 3.60 || 0x7DCFBCCE
| 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.
<source lang="C">SceBool sceCompatIsPocketStationTitle(const char *titleId);</source>


=== sceCompatWaitAndGetRequest ===
=== sceCompatWaitAndGetRequest ===
Line 251: Line 353:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || not present
| 0.990-1.03 || not present
|-
|-
| 3.60 || 0x8176C238
| 3.60 || 0x8176C238
|}
|}
<source lang="C">int sceCompatWaitAndGetRequest(SceUInt32 req_id, SceUInt32 a2);</source>


=== sceCompatSetUpdateState ===
=== sceCompatSetUpdateState ===
Line 261: Line 365:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || not present
| 0.990-1.03 || not present
|-
|-
| 3.60 || 0x8A44206F
| 3.60 || 0x8A44206F
|}
|}
<source lang="C">
// unsure if there is an argument
int sceCompatSetUpdateState(void);
</source>


=== sceCompatStart ===
=== sceCompatStart ===
Line 273: Line 382:
| 0.940-3.60 || 0x8CA1632D
| 0.940-3.60 || 0x8CA1632D
|}
|}
<source lang="C">int sceCompatStart(void);</source>
=== sceCompatPrepareLoad ===
{| class="wikitable"
|-
! 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).
<source lang="C">int sceCompatPrepareLoad(void);</source>


=== sceCompatRegWrite ===
=== sceCompatRegWrite ===
Line 284: Line 411:
|}
|}


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


=== sceCompatIdStorageLookup ===
=== sceCompatIdStorageLookup ===
Line 303: Line 434:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 3.60 || 0x96FC2A87
| 1.03-3.60 || 0x96FC2A87
|}
|}
Checks PocketStation RIF.
<source lang="C">int sceCompatCheckPocketStation(void);</source>


=== sceCompatGetTitleList ===
=== sceCompatGetTitleList ===
Line 311: Line 446:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || not present
| 0.990-1.03 || not present
|-
|-
| 3.60 || 0x99F13E04
| 3.60 || 0x99F13E04
|}
|}
Reads ur0:emu_list/title_list.bin.
<source lang="C">
// size must be 100
int sceCompatGetTitleList(void *pBuf, SceSize size);
</source>


=== sceCompatGetCurrentSecureTick ===
=== sceCompatGetCurrentSecureTick ===
{| class="wikitable"
|-
! Version !! NID
|-
| 0.990-1.03 || not present
|-
| 3.60 || 0xA073EBEE
|}
<source lang="C">int sceCompatGetCurrentSecureTick(SceRtcTick *pTick);</source>
=== sceCompatAllocCdram ===
{| class="wikitable"
{| class="wikitable"
|-
|-
Line 323: Line 477:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 3.60 || 0xA073EBEE
| 1.69-2.06 || 0x6E8E3BA8
|-
| 3.60 || not present
|}
|}
<source lang="C">int sceCompatAllocCdram(void **ppCachedCdramBase, void **ppUncachedCdramBase);</source>


=== sceCompatAllocCdramWithHole ===
=== sceCompatAllocCdramWithHole ===
{| class="wikitable"
|-
! Version !! NID
|-
| 0.990-1.03 || not present
|-
| 3.60 || 0xA5039FFA
|}
<source lang="C">int sceCompatAllocCdramWithHole(SceCompatAllocCdramWithHoleParam *pCdram);</source>
=== sceCompatMapDDR ===
{| class="wikitable"
{| class="wikitable"
|-
|-
Line 333: Line 503:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 3.60 || 0xA5039FFA
| 1.03 || 0xC6B19D35
|-
| 3.60 || not present
|}
|}
<source lang="C">
// size must be 0x4000000 (64MB)
int sceCompatMapDDR(SceUID memblock_uid, SceSize size);
</source>


=== sceCompatGetPspSystemSoftwareVersion ===
=== sceCompatGetPspSystemSoftwareVersion ===
Line 343: Line 520:
| 0.990-3.60 || 0xB113DCC0
| 0.990-3.60 || 0xB113DCC0
|}
|}
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>
Line 353: Line 532:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 1.69-3.60 || 0xBC0E2B4C
| 1.03-3.60 || 0xBC0E2B4C
|}
|}
<source lang="C">int sceCompatFrameBufferInit(void *base);</source>


=== sceCompatLCDCSync ===
=== sceCompatLCDCSync ===
Line 363: Line 544:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 1.69-3.60 || 0xBD177787
| 1.03-3.60 || 0xBD177787
|}
|}
<source lang="C">int sceCompatLCDCSync(void);</source>


=== sceCompatWaitIntr ===
=== sceCompatWaitIntr ===
Line 371: Line 554:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || not present
| 0.990-1.03 || not present
|-
|-
| 3.60 || 0xC1E14CF5
| 3.60 || 0xC1E14CF5
Line 381: Line 564:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || not present
| 0.990-1.03 || not present
|-
|-
| 1.69 || 0xCB9F607B
| 1.69 || 0xCB9F607B
|-
| 3.60 || not present
|}
|}


Line 393: Line 578:
| 0.990-3.60 || 0xCBE73EBE
| 0.990-3.60 || 0xCBE73EBE
|}
|}
Reads act.dat.


<source lang="C">
<source lang="C">
Line 417: Line 604:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 1.69-3.60 || 0xD2E3370E
| 1.03-3.60 || 0xD2E3370E
|}
|}
<source lang="C">int sceCompatGetStatus(void);</source>


=== sceCompatInterrupt ===
=== sceCompatInterrupt ===
Line 428: Line 617:
|}
|}


Use a custom SceCompatMailbox address.
Set a custom SceCompatMailbox address.


<source lang="C">int sceCompatInterrupt(void *pMailbox);</source>
<source lang="C">
// some_id must be between 0 and 15
int sceCompatInterrupt(SceUInt32 some_id);
</source>


=== sceCompatSetRif ===
=== sceCompatSetRif ===
Line 439: Line 631:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 1.69-3.60 || 0xD8B69F23
| 1.03-3.60 || 0xD8B69F23
|}
|}
<source lang="C">
// Example of entitlementId: AA0000-AAAA00000_00-0000000000000000
int sceCompatSetRif(const char *entitlementId);
</source>


=== sceCompatGetPrimaryHead ===
=== sceCompatGetPrimaryHead ===
Line 449: Line 646:
| 0.990 || not present
| 0.990 || not present
|-
|-
| 1.69 || 0xDC9EE33A
| 1.69-3.60 || 0xDC9EE33A
|}
|}
<source lang="C">SceDisplayHead sceCompatGetPrimaryHead(void);</source>


=== sceCompatSetSuspendSema ===
=== sceCompatSetSuspendSema ===
Line 461: Line 660:
| 1.69-3.60 || 0xDD30239E
| 1.69-3.60 || 0xDD30239E
|}
|}
<source lang="C">int sceCompatSetSuspendSema(SceUID sema_id_0, SceUID sema_id_1);</source>


=== sceCompatInitEx ===
=== sceCompatInitEx ===
Line 467: Line 668:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || not present
| 0.990-1.03 || not present
|-
|-
| 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 497: Line 702:
! Version !! NID
! Version !! NID
|-
|-
| 0.940-0.990 || 0xB9DBD54A
| 0.940-1.03 || 0xB9DBD54A
|-
|-
| 3.60 || not present
| 3.60 || not present
|}
|}


Loads Pcff and Pcbc.
Loads Pcff (PSP Compat Flash Files) and Pcbc (PSP Compat Boot Code).
 
<source lang="C">int sceCompatInit(SceSize size, SceUInt32 a2, SceCompatInitParam *pParam);</source>


=== sceCompatLCDCInit ===
=== sceCompatLCDCInit ===
Line 510: Line 717:
|-
|-
| 0.940-0.990 || 0x3021D626
| 0.940-0.990 || 0x3021D626
|-
| 1.03-3.60 || not present
|}
|}


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


=== sceCompatLCDCExec ===
=== sceCompatLCDCExec ===
Line 520: Line 729:
|-
|-
| 0.940-0.990 || 0x7E3E266D
| 0.940-0.990 || 0x7E3E266D
|-
| 1.03-3.60 || not present
|}
|}


Line 531: Line 742:
| 0.990 || 0xCA184D5B
| 0.990 || 0xCA184D5B
|-
|-
| 3.60 || not present
| 1.03-3.60 || not present
|}
|}


Line 546: Line 757:
| 0.990 || 0x9EFFE36E
| 0.990 || 0x9EFFE36E
|-
|-
| 3.60 || not present
| 1.03-3.60 || not present
|}
|}


Line 561: Line 772:
| 0.990 || 0xC37A463C
| 0.990 || 0xC37A463C
|-
|-
| 3.60 || not present
| 1.03-3.60 || not present
|}
|}


Line 573: Line 784:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || 0x434BDAB0
| 0.990-1.03 || 0x434BDAB0
|-
|-
| 3.60 || not present
| 3.60 || not present
Line 587: Line 798:
| 0.990 || 0x02F5CF19
| 0.990 || 0x02F5CF19
|-
|-
| 3.60 || not present
| 1.03-3.60 || not present
|}
|}


Line 597: Line 808:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || 0x61DB492A
| 0.990-1.03 || 0x61DB492A
|-
|-
| 3.60 || not present
| 3.60 || not present
Line 609: Line 820:
! Version !! NID
! Version !! NID
|-
|-
| 0.990 || 0xC820EC43
| 0.990-1.03 || 0xC820EC43
|-
|-
| 3.60 || not present
| 3.60 || not present
Line 623: Line 834:
| 0.990 || 0xC983287E
| 0.990 || 0xC983287E
|-
|-
| 3.60 || not present
| 1.03-3.60 || not present
|}
|}


<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"