Difference between revisions of "Memory budget"
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| ScePhyMemPartGameCdram | | ScePhyMemPartGameCdram | ||
| 0x20000000 / 0x21000000 (0.995 internal) | | 0x20000000 / 0x21000000 (0.995 internal) | ||
| − | | | + | | 112MiB |
| cdram for game | | cdram for game | ||
|- | |- | ||
| ScePhyMemPartShellCdram | | ScePhyMemPartShellCdram | ||
| 0x27000000 / 0x20000000 (0.995 internal) | | 0x27000000 / 0x20000000 (0.995 internal) | ||
| − | | | + | | 16MiB |
| cdram for shell | | cdram for shell | ||
|- | |- | ||
| ScePhyMemPartKD | | ScePhyMemPartKD | ||
| 0x40200000 / 0x40300000 (0.995 internal) | | 0x40200000 / 0x40300000 (0.995 internal) | ||
| − | | | + | | 36MiB / 32MiB (0.995 internal) |
| for kernel drivers | | for kernel drivers | ||
|- | |- | ||
| ScePhyMemPartPhyCont | | ScePhyMemPartPhyCont | ||
| 0x42600000 / 0x42300000 (0.995 internal) | | 0x42600000 / 0x42300000 (0.995 internal) | ||
| − | | | + | | 26MiB |
| physically continuous memory | | physically continuous memory | ||
|- | |- | ||
| ScePhyMemPartShared | | ScePhyMemPartShared | ||
| 0x44000000 / 0x43D00000 (0.995 internal) | | 0x44000000 / 0x43D00000 (0.995 internal) | ||
| − | | | + | | 8MiB |
| for shared modules | | for shared modules | ||
|- | |- | ||
| ScePhyMemPartGameCDialog | | ScePhyMemPartGameCDialog | ||
| 0x44800000 / 0x44500000 (0.995 internal) | | 0x44800000 / 0x44500000 (0.995 internal) | ||
| − | | | + | | 9MiB |
| for game cdialog | | for game cdialog | ||
|- | |- | ||
| ScePhyMemPartShell | | ScePhyMemPartShell | ||
| 0x45100000 / 0x44E00000 (0.995 internal) | | 0x45100000 / 0x44E00000 (0.995 internal) | ||
| − | | | + | | 50MiB / 48MiB (0.995 internal) |
| for shell | | for shell | ||
|- | |- | ||
| ScePhyMemPartShellDummy | | ScePhyMemPartShellDummy | ||
| 0x78000000 | | 0x78000000 | ||
| − | | | + | | 128MiB |
| If have dipsw 0xD2, setting this memory. | | If have dipsw 0xD2, setting this memory. | ||
|- | |- | ||
| ScePhyMemPartReserved | | ScePhyMemPartReserved | ||
| 0x47E00000 (0.995 internal) | | 0x47E00000 (0.995 internal) | ||
| − | | | + | | 6MiB (0.995 internal) |
| reserved | | reserved | ||
|- | |- | ||
| Remaining memory (for +109MiB) | | Remaining memory (for +109MiB) | ||
| 0x48300000 / 0x48400000 (0.995 internal) | | 0x48300000 / 0x48400000 (0.995 internal) | ||
| − | | | + | | 125MiB / 124MiB (0.995 internal) |
| Remaining memory for GAME. | | Remaining memory for GAME. | ||
|- | |- | ||
| ScePhyMemPartGame | | ScePhyMemPartGame | ||
| 0x50000000 | | 0x50000000 | ||
| − | | | + | | 256MiB <br> 512MiB (0.995 internal) <br> 512MiB on devkit and have dipsw 0x80. |
| for game | | for game | ||
|- | |- | ||
| ScePhyMemPartGameDummy | | ScePhyMemPartGameDummy | ||
| 0x60000000 | | 0x60000000 | ||
| − | | | + | | 256MiB |
| If not have dipsw 0x80, setting this memory. | | If not have dipsw 0x80, setting this memory. | ||
|- | |- | ||
| ScePhyMemPartTool | | ScePhyMemPartTool | ||
| 0x70000000 (0.995 internal) | | 0x70000000 (0.995 internal) | ||
| − | | | + | | 256MiB (0.995 internal) |
| for TOOL platforms | | for TOOL platforms | ||
|} | |} | ||
[[Category:Memory]] | [[Category:Memory]] | ||
Revision as of 15:22, 8 April 2022
A memory budget is an area of memory reserved by the system for a specific usage.
List
Here is a list of default budgets. They are allocated on boot by SceProcessmgr. They vary per FW version, and per boot flags.
| Name | Base paddr | Size | Comments |
|---|---|---|---|
| ScePhyMemPartGameCdram | 0x20000000 / 0x21000000 (0.995 internal) | 112MiB | cdram for game |
| ScePhyMemPartShellCdram | 0x27000000 / 0x20000000 (0.995 internal) | 16MiB | cdram for shell |
| ScePhyMemPartKD | 0x40200000 / 0x40300000 (0.995 internal) | 36MiB / 32MiB (0.995 internal) | for kernel drivers |
| ScePhyMemPartPhyCont | 0x42600000 / 0x42300000 (0.995 internal) | 26MiB | physically continuous memory |
| ScePhyMemPartShared | 0x44000000 / 0x43D00000 (0.995 internal) | 8MiB | for shared modules |
| ScePhyMemPartGameCDialog | 0x44800000 / 0x44500000 (0.995 internal) | 9MiB | for game cdialog |
| ScePhyMemPartShell | 0x45100000 / 0x44E00000 (0.995 internal) | 50MiB / 48MiB (0.995 internal) | for shell |
| ScePhyMemPartShellDummy | 0x78000000 | 128MiB | If have dipsw 0xD2, setting this memory. |
| ScePhyMemPartReserved | 0x47E00000 (0.995 internal) | 6MiB (0.995 internal) | reserved |
| Remaining memory (for +109MiB) | 0x48300000 / 0x48400000 (0.995 internal) | 125MiB / 124MiB (0.995 internal) | Remaining memory for GAME. |
| ScePhyMemPartGame | 0x50000000 | 256MiB 512MiB (0.995 internal) 512MiB on devkit and have dipsw 0x80. |
for game |
| ScePhyMemPartGameDummy | 0x60000000 | 256MiB | If not have dipsw 0x80, setting this memory. |
| ScePhyMemPartTool | 0x70000000 (0.995 internal) | 256MiB (0.995 internal) | for TOOL platforms |