Line 230: |
Line 230: |
| | 0x1800 | | | 0x1800 |
| | | | | |
− | | Unused exception handler area often used by homebrew as a place for its own globals, as the SDK does not use or clear it. Homebrew loaders (both for GameCube and Wii) place their loader stub address here; this address is jumped to by [[libogc]]. [[Bluebomb]] also installs itself here while the main payload is being downloaded. | + | | Unused exception handler area, often used by homebrew as a place to store persistent code and/or as a data section, as the SDK does not use or clear it. Homebrew loaders (both for GameCube and Wii) place their loader stubs here, and this address is jumped to by [[libogc]] upon homebrew exist. This area is also commonly used to store the [[Gecko OS]] codehandler and code list, as well as being used by homebrew entrypoints to store stub code (e.g. [[Bluebomb]] stores itself here while downloading its loader.) |
| |- | | |- |
| | 0x80003000 | | | 0x80003000 |
Line 304: |
Line 304: |
| | 0x80003118 | | | 0x80003118 |
| | 4 | | | 4 |
− | | ? | + | | 0x04000000 |
− | | Physical MEM2 size | + | | Physical MEM2 size. (0x3118-0x314C are set by IOS upon reload.) |
| |- | | |- |
| | 0x8000311C | | | 0x8000311C |
| | 4 | | | 4 |
− | | ? | + | | 0x04000000 |
− | | Simulated MEM2 size | + | | Simulated MEM2 size. |
| |- | | |- |
| | 0x80003120 | | | 0x80003120 |
| | 4 | | | 4 |
− | | ? | + | | 0x93400000 |
− | | MEM2 End | + | | End of MEM2 addressable to PPC. |
| |- | | |- |
| | 0x80003124 | | | 0x80003124 |
| | 4 | | | 4 |
− | | ? | + | | 0x90000800 |
− | | MEM2 Arena Start (start of usable memory by the game) | + | | Usable MEM2 Start (start of usable memory by the game) |
| |- | | |- |
| | 0x80003128 | | | 0x80003128 |
| | 4 | | | 4 |
− | | ? | + | | 0x933E0000 |
− | | MEM2 Arena End (end of usable memory by the game) | + | | Usable MEM2 End (end of usable memory by the game) |
| |- | | |- |
| | 0x80003130 | | | 0x80003130 |
Line 355: |
Line 355: |
| | 4 | | | 4 |
| | 0x93600000 | | | 0x93600000 |
− | | IOS Reserved Heap Start ( = 0x93600000 in IOS58 ) | + | | IOS Reserved Heap Start |
| |- | | |- |
| | 0x8000314C | | | 0x8000314C |
| | 4 | | | 4 |
| | 0x93620000 | | | 0x93620000 |
− | | IOS Reserved Heap End ( = 0x93620000 in IOS58 ) | + | | IOS Reserved Heap End |
| |- | | |- |
| | 0x80003158 | | | 0x80003158 |