Memory Management: Difference between revisions
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Created page with "= How The Kernel Allocates And Tracks Memory = == HeapChunkHeader == Size : 0xC bytes {| class="wikitable" border="1" |- ! Offset ! Type ! Description |- | 0x0 | u32 | Size ..." |
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== | == RegionData == | ||
Size : 0x10 bytes | Size : 0x10 bytes | ||
Line 50: | Line 50: | ||
| u32 | | u32 | ||
| Region size | | Region size | ||
|} | |||
== FCRAM Region Data == | |||
Size : 0x10 bytes | |||
{| class="wikitable" border="1" | |||
|- | |||
! Offset | |||
! Type | |||
! Description | |||
|- | |||
| 0x0 | |||
| RegionData | |||
| RegionData for app memory | |||
|- | |||
| 0x10 | |||
| RegionData | |||
| RegionData for sys memory | |||
|- | |||
| 0x20 | |||
| RegionData | |||
| RegionData for base memory | |||
|- | |||
| 0x30 | |||
| u32 | |||
| Ptr to start of FCRAM region config | |||
|- | |||
| 0x34 | |||
| u32 | |||
| FCRAM start | |||
|- | |||
| 0x38 | |||
| u32 | |||
| FCRAM size in pages | |||
|- | |||
| 0x3C | |||
| u32 | |||
| Base mem start in FCRAM | |||
|- | |||
| 0x40 | |||
| u32 | |||
| Physical FCRAM memory used by the kernel- used by GetSystemInfo | |||
|- | |||
| 0x44 | |||
| u32 | |||
| ? | |||
|- | |||
| 0x48 | |||
| KThread* | |||
| Thread operating on region data | |||
|- | |||
| 0x4C | |||
| s16 | |||
| Error info for thread listed above | |||
|} | |} |
Revision as of 19:47, 11 October 2015
How The Kernel Allocates And Tracks Memory
HeapChunkHeader
Size : 0xC bytes
Offset | Type | Description |
---|---|---|
0x0 | u32 | Size in pages |
0x4 | HeapChunkHeader* | Next |
0x8 | HeapChunkHeader* | Prev |
RegionData
Size : 0x10 bytes
Offset | Type | Description |
---|---|---|
0x0 | HeapChunkHeader* | |
0x4 | HeapChunkHeader* | |
0x8 | u32 | Region start |
0xC | u32 | Region size |
FCRAM Region Data
Size : 0x10 bytes
Offset | Type | Description |
---|---|---|
0x0 | RegionData | RegionData for app memory |
0x10 | RegionData | RegionData for sys memory |
0x20 | RegionData | RegionData for base memory |
0x30 | u32 | Ptr to start of FCRAM region config |
0x34 | u32 | FCRAM start |
0x38 | u32 | FCRAM size in pages |
0x3C | u32 | Base mem start in FCRAM |
0x40 | u32 | Physical FCRAM memory used by the kernel- used by GetSystemInfo |
0x44 | u32 | ? |
0x48 | KThread* | Thread operating on region data |
0x4C | s16 | Error info for thread listed above |