Difference between revisions of "SceKernelDmacMgr"

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 +
Direct memory access control Manager
 +
 
== Module ==
 
== Module ==
  
−
=== Known NIDs ===
 
 
{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
−
! Version !! Name !! World !! Privilege !! NID
+
! Version !! World !! Privilege
−
|-
 
−
| 1.69 || SceKernelDmacMgr || Non-secure || Kernel || 0x67E3D2D2
 
 
|-
 
|-
−
| 3.60 || SceKernelDmacMgr || Non-secure || Kernel || 0xF926C804
+
| 1.69-3.60 || Non-secure || Kernel
 
|}
 
|}
  
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! Version !! Name !! World !! Visibility !! NID
 
! Version !! Name !! World !! Visibility !! NID
 
|-
 
|-
−
| 1.69-3.60 || [[SceKernelDmacMgr#SceDmacmgrForDriver|SceDmacmgrForDriver]] || Non-secure || Kernel || 0xEB4E3738
+
| 0.990-3.60 || [[SceKernelDmacMgr#SceDmacmgrForDriver|SceDmacmgrForDriver]] || Non-secure || Kernel || 0xEB4E3738
 
|-
 
|-
 
| 0.990 || [[SceKernelDmacMgr#SceDmacmgr|SceDmacmgr]] || Non-secure || User || not present
 
| 0.990 || [[SceKernelDmacMgr#SceDmacmgr|SceDmacmgr]] || Non-secure || User || not present
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|-
 
|-
 
|}
 
|}
 +
 +
== Types ==
 +
 +
<source lang="C">
 +
typedef SceInt32 SceDmaOpId;
 +
 +
// Using internally
 +
typedef struct SceDmaOpAlloc { // size is 0x60 on FW 0.990
 +
uint unk_0;
 +
uint unk_4;
 +
uint magic; // 0x81005001
 +
SceUID evfId;
 +
uint unk_10;
 +
uint16_t unk_14; // 1
 +
uint16_t unk_16;
 +
uint maybe_callback_1;
 +
uint stat;
 +
char unk_20[0x14];
 +
int curchain;
 +
uint unk_38; // 0
 +
uint unk_3C;
 +
const char opname[0x20];
 +
} SceDmaOpAlloc;
 +
 +
typedef struct SceKernelDmaOp { // Size is 0x40-bytes on 3.60
 +
int data_0x00;
 +
int data_0x04;
 +
int data_0x08;
 +
int data_0x0C;
 +
void *data_0x10;
 +
int data_0x14;
 +
int data_0x18;
 +
int data_0x1C;
 +
int data_0x20;
 +
int data_0x24;
 +
void *data_0x28;
 +
int cpu_intr;
 +
uintptr_t data_0x30;
 +
SceUID evfid;
 +
SceUInt16 data_0x38;
 +
SceUInt16 data_0x3A;
 +
char *name;
 +
} SceKernelDmaOp;
 +
</source>
  
 
== SceDmacmgrForDriver ==
 
== SceDmacmgrForDriver ==
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| 0.990-3.60 || 0x03052D0D
 
| 0.990-3.60 || 0x03052D0D
 
|}
 
|}
 +
 +
<source lang="C">int sceKernelDmaOpQuitForDriver(int opid);</source>
  
 
=== sceKernelDmaOpAllocForDriver ===
 
=== sceKernelDmaOpAllocForDriver ===
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|}
 
|}
  
−
<source lang="C">int sceKernelDmaOpAllocForDriver(const char* name);</source>
+
Allocate 0x60 bytes of heap.
 +
 
 +
Return opid = (uint)dma_op_heap_addr >> 1 | 1;
 +
 
 +
<source lang="C">SceDmaOpId sceKernelDmaOpAllocForDriver(const char *name);</source>
  
 
=== sceKernelDmaOpAssignForDriver ===
 
=== sceKernelDmaOpAssignForDriver ===
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Executes [[Dmac5|Dmac5 command]].
 
Executes [[Dmac5|Dmac5 command]].
  
−
<source lang="C">int sceKernelDmaOpAssignForDriver(int id, int unk1, int unk2);</source>
+
<source lang="C">int sceKernelDmaOpAssignForDriver(SceDmaOpId opid, SceUInt32 unk1, SceUInt32 unk2);</source>
  
 
=== sceKernelDmaOpFreeForDriver ===
 
=== sceKernelDmaOpFreeForDriver ===
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|}
 
|}
  
−
<source lang="C">int sceKernelDmaOpFreeForDriver(int id);</source>
+
<source lang="C">int sceKernelDmaOpFreeForDriver(int opid);</source>
  
 
=== sceKernelDmaOpConcatenateForDriver ===
 
=== sceKernelDmaOpConcatenateForDriver ===
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|}
 
|}
  
−
<source lang="C">int sceKernelDmaOpEnQueueForDriver(int id);</source>
+
<source lang="C">int sceKernelDmaOpEnQueueForDriver(int opid);</source>
  
 
=== sceKernelDmaOpDeQueueForDriver ===
 
=== sceKernelDmaOpDeQueueForDriver ===
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| 0.990-3.60 || 0xCF627CFD
 
| 0.990-3.60 || 0xCF627CFD
 
|}
 
|}
 +
 +
<source lang="C">int sceKernelDmaOpSetCallbackForDriver(int opid, int a2, int a3);</source>
  
 
=== sceKernelDmaOpSyncForDriver ===
 
=== sceKernelDmaOpSyncForDriver ===
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|}
 
|}
  
−
<source lang="C">int sceKernelDmaOpSyncForDriver(int id, int a2, int a3, int a4);</source>
+
<source lang="C">int sceKernelDmaOpSyncForDriver(int opid, SceUInt32 op_sync_mode, SceUInt32 timeout, SceInt32 *result);</source>
  
 
=== sceKernelDmacMemcpyForDriver ===
 
=== sceKernelDmacMemcpyForDriver ===
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| 0.990-3.60 || 0x00896B11
 
| 0.990-3.60 || 0x00896B11
 
|}
 
|}
 +
 +
Synchronous <code>memcpy</code>, wrapper around [[SceKernelDmacMgr#sceKernelDmacMemcpyAsyncForDriver]].
 +
<source lang="c">
 +
SceInt32 sceKernelDmacMemcpyForDriver(void* dst, void* src, SceSize size);
 +
</source>
  
 
=== sceKernelDmacMemsetForDriver ===
 
=== sceKernelDmacMemsetForDriver ===
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} SceDmaOpKey;
 
} SceDmaOpKey;
  
−
int sceKernelDmaOpSetupDirectForDriver(int id, SceDmaOpKey *a2, int a3);</source>
+
int sceKernelDmaOpSetupDirectForDriver(int opid, SceDmaOpKey *a2, int a3);</source>
  
 
=== sceKernelDmacMemcpyAsyncForDriver ===
 
=== sceKernelDmacMemcpyAsyncForDriver ===
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A big function. TO RE.
 
A big function. TO RE.
 +
 +
=== SceDmacmgrForDriver_1EDD385C ===
 +
{| class="wikitable"
 +
|-
 +
! Version !! NID
 +
|-
 +
| 0.940 || 0x1EDD385C
 +
|}
 +
 +
Returns SCE_KERNEL_ERROR_NOT_IMPLEMENTED.
 +
 +
=== SceDmacmgrForDriver_DCBA0B59 ===
 +
{| class="wikitable"
 +
|-
 +
! Version !! NID
 +
|-
 +
| 0.940 || 0xDCBA0B59
 +
|}
 +
 +
Returns SCE_KERNEL_ERROR_NOT_IMPLEMENTED.
  
 
=== SceDmacmgrForDriver_893FCB80 ===
 
=== SceDmacmgrForDriver_893FCB80 ===

Revision as of 22:59, 14 May 2022

Direct memory access control Manager

Module

Version World Privilege
1.69-3.60 Non-secure Kernel

Libraries

Known NIDs

Version Name World Visibility NID
0.990-3.60 SceDmacmgrForDriver Non-secure Kernel 0xEB4E3738
0.990 SceDmacmgr Non-secure User not present
3.60 SceDmacmgr Non-secure User 0xA9E5B2F0

Data segment layout

Address Size Description
0x0000 0x04 void* SceDmacmgrDmac0Reg membase
0x0004 0x04 void* SceDmacmgrDmac1Reg membase
0x0008 0x04 void* SceDmacmgrDmac2Reg membase
0x000C 0x04 void* SceDmacmgrDmac3Reg membase
0x0010 0x04 void* SceDmacmgrDmac4Reg membase
0x0014 0x04 void* SceDmacmgrDmac5Reg membase
0x0018 0x04 void* SceDmacmgrDmac6Reg membase
0x001C 0x1284

Types

typedef SceInt32 SceDmaOpId;

// Using internally
typedef struct SceDmaOpAlloc { // size is 0x60 on FW 0.990
	uint unk_0;
	uint unk_4;
	uint magic; // 0x81005001
	SceUID evfId;
	uint unk_10;
	uint16_t unk_14; // 1
	uint16_t unk_16;
	uint maybe_callback_1;
	uint stat;
	char unk_20[0x14];
	int curchain;
	uint unk_38; // 0
	uint unk_3C;
	const char opname[0x20];
} SceDmaOpAlloc;

typedef struct SceKernelDmaOp { // Size is 0x40-bytes on 3.60
	int data_0x00;
	int data_0x04;
	int data_0x08;
	int data_0x0C;
	void *data_0x10;
	int data_0x14;
	int data_0x18;
	int data_0x1C;
	int data_0x20;
	int data_0x24;
	void *data_0x28;
	int cpu_intr;
	uintptr_t data_0x30;
	SceUID evfid;
	SceUInt16 data_0x38;
	SceUInt16 data_0x3A;
	char *name;
} SceKernelDmaOp;

SceDmacmgrForDriver

sceKernelDmaOpSetupChainForDriver

Version NID
0.990-3.60 0x167079FC 
int sceKernelDmaOpSetupChainForDriver(uint32_t opid, void *pTag, int *a3, uint32_t flag);

sceKernelDmaOpQuitForDriver

Version NID
0.990-3.60 0x03052D0D 
int sceKernelDmaOpQuitForDriver(int opid);

sceKernelDmaOpAllocForDriver

Version NID
0.990-3.60 0x7CD5088A

Usages:

Module Name
SceSblSsMgr SceSblDmac5Common, Dmac5Test_Direct
SceDisplay SceDisplay
SceAudio SceSrcMix%d%d
SceCodecEngineWrapper SceVeneziaDmacMemcpy%02u, SceHwd0DmacMemcpy%02u

Allocate 0x60 bytes of heap.

Return opid = (uint)dma_op_heap_addr >> 1 | 1; 

SceDmaOpId sceKernelDmaOpAllocForDriver(const char *name);

sceKernelDmaOpAssignForDriver

Version NID
0.990-3.60 0xFCE4171A

Executes Dmac5 command. 

int sceKernelDmaOpAssignForDriver(SceDmaOpId opid, SceUInt32 unk1, SceUInt32 unk2);

sceKernelDmaOpFreeForDriver

Version NID
0.990-3.60 0xADFF1186 
int sceKernelDmaOpFreeForDriver(int opid);

sceKernelDmaOpConcatenateForDriver

Version NID
0.990-3.60 0xA4454DEA

sceKernelDmaOpEnQueueForDriver

Version NID
0.990-3.60 0x543F54CF 
int sceKernelDmaOpEnQueueForDriver(int opid);

sceKernelDmaOpDeQueueForDriver

Version NID
0.990-3.60 0x7433F70F

sceKernelDmaOpSetCallbackForDriver

Version NID
0.990-3.60 0xCF627CFD 
int sceKernelDmaOpSetCallbackForDriver(int opid, int a2, int a3);

sceKernelDmaOpSyncForDriver

Version NID
0.990-3.60 0x397A917C 
int sceKernelDmaOpSyncForDriver(int opid, SceUInt32 op_sync_mode, SceUInt32 timeout, SceInt32 *result);

sceKernelDmacMemcpyForDriver

Version NID
0.990-3.60 0x00896B11

Synchronous memcpy, wrapper around SceKernelDmacMgr#sceKernelDmacMemcpyAsyncForDriver. 

SceInt32 sceKernelDmacMemcpyForDriver(void* dst, void* src, SceSize size);

sceKernelDmacMemsetForDriver

Version NID
0.990-3.60 0x4BAC049B

sceKernelDmaOpSetupDirectForDriver

Version NID
0.990-3.60 0x01A599E0 
typedef struct SceDmaOpKey {
	char data[0x4C];
} SceDmaOpKey;

int sceKernelDmaOpSetupDirectForDriver(int opid, SceDmaOpKey *a2, int a3);

sceKernelDmacMemcpyAsyncForDriver

Version NID
0.990 0x6E81B8BF
3.60 not present

sceKernelDmacMemsetAsyncForDriver

Version NID
0.990 0x6FD7F708
3.60 not present

SceDmacmgrForDriver_BCBB5E85

Version NID
0.990-3.60 0xBCBB5E85

A big function. TO RE.

SceDmacmgrForDriver_1EDD385C

Version NID
0.940 0x1EDD385C

Returns SCE_KERNEL_ERROR_NOT_IMPLEMENTED.

SceDmacmgrForDriver_DCBA0B59

Version NID
0.940 0xDCBA0B59

Returns SCE_KERNEL_ERROR_NOT_IMPLEMENTED.

SceDmacmgrForDriver_893FCB80

Version NID
0.990-3.60 0x893FCB80

On FW 0.990 simply returns SCE_KERNEL_ERROR_NOT_IMPLEMENTED.

SceDmacmgr

This library doesn't exist on FW 0.990.

sceDmacMemcpy

Version NID
3.60 0x9B2FF739

sceDmacMemset

Version NID
3.60 0xA4C33F11
Retrieved from "http://wiki.henkaku.xyz/vita/index.php?title=SceKernelDmacMgr&oldid=17208"