Memory budget: Difference between revisions
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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. | |||
{| class='wikitable' | {| class='wikitable' | ||
! | ! Name | ||
! | ! Base paddr | ||
! | ! Size | ||
! Comments | ! Comments | ||
|- | |- | ||
| ScePhyMemPartGameCdram | | ScePhyMemPartGameCdram | ||
| 0x20000000 | | 0x20000000 / 0x21000000 (0.995 internal) | ||
| | | 0x07000000 | ||
| cdram for game | | cdram for game | ||
|- | |- | ||
| ScePhyMemPartShellCdram | | ScePhyMemPartShellCdram | ||
| 0x27000000 | | 0x27000000 / 0x20000000 (0.995 internal) | ||
| | | 0x01000000 | ||
| cdram for shell | | cdram for shell | ||
|- | |- | ||
| ScePhyMemPartKD | | ScePhyMemPartKD | ||
| 0x40200000 | | 0x40200000 / 0x40300000 (0.995 internal) | ||
| | | 0x02400000 / 0x02000000 (0.995 internal) | ||
| for kernel drivers | | for kernel drivers | ||
|- | |- | ||
| ScePhyMemPartPhyCont | | ScePhyMemPartPhyCont | ||
| 0x42600000 | | 0x42600000 / 0x42300000 (0.995 internal) | ||
| | | 0x01A00000 | ||
| | | physically continuous memory | ||
|- | |- | ||
| ScePhyMemPartShared | | ScePhyMemPartShared | ||
| 0x44000000 | | 0x44000000 / 0x43D00000 (0.995 internal) | ||
| | | 0x00800000 | ||
| for | | for shared modules | ||
|- | |- | ||
| ScePhyMemPartGameCDialog | | ScePhyMemPartGameCDialog | ||
| 0x44800000 | | 0x44800000 / 0x44500000 (0.995 internal) | ||
| | | 0x00900000 | ||
| for game cdialog | | for game cdialog | ||
|- | |- | ||
| ScePhyMemPartShell | | ScePhyMemPartShell | ||
| 0x45100000 | | 0x45100000 / 0x44E00000 (0.995 internal) | ||
| | | 0x03200000 / 0x03000000 (0.995 internal) | ||
| for shell | | for shell | ||
|- | |- | ||
| | | ScePhyMemPartReserved | ||
| 0x48300000 | | 0x47E00000 (0.995 internal) | ||
| | | 0x00600000 (0.995 internal) | ||
| user module page and system memory | | reserved | ||
|- | |||
| ?no name? | |||
| 0x48300000 / 0x48400000 (0.995 internal) | |||
| 0x07D00000 / 0x07C00000 (0.995 internal) | |||
| Remaining memory for user module page and system memory. | |||
|- | |- | ||
| ScePhyMemPartGame | | ScePhyMemPartGame | ||
| 0x50000000 | | 0x50000000 | ||
| 0x10000000 | | 0x10000000 / 0x20000000 (0.995 internal) | ||
| for game | | for game | ||
|- | |||
| ScePhyMemPartTool | |||
| 0x70000000 (0.995 internal) | |||
| 0x10000000 (0.995 internal) | |||
| for TOOL platforms | |||
|} | |} | ||
[[Category:Memory]] | [[Category:Memory]] | ||
Revision as of 19:29, 6 January 2021
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) | 0x07000000 | cdram for game |
| ScePhyMemPartShellCdram | 0x27000000 / 0x20000000 (0.995 internal) | 0x01000000 | cdram for shell |
| ScePhyMemPartKD | 0x40200000 / 0x40300000 (0.995 internal) | 0x02400000 / 0x02000000 (0.995 internal) | for kernel drivers |
| ScePhyMemPartPhyCont | 0x42600000 / 0x42300000 (0.995 internal) | 0x01A00000 | physically continuous memory |
| ScePhyMemPartShared | 0x44000000 / 0x43D00000 (0.995 internal) | 0x00800000 | for shared modules |
| ScePhyMemPartGameCDialog | 0x44800000 / 0x44500000 (0.995 internal) | 0x00900000 | for game cdialog |
| ScePhyMemPartShell | 0x45100000 / 0x44E00000 (0.995 internal) | 0x03200000 / 0x03000000 (0.995 internal) | for shell |
| ScePhyMemPartReserved | 0x47E00000 (0.995 internal) | 0x00600000 (0.995 internal) | reserved |
| ?no name? | 0x48300000 / 0x48400000 (0.995 internal) | 0x07D00000 / 0x07C00000 (0.995 internal) | Remaining memory for user module page and system memory. |
| ScePhyMemPartGame | 0x50000000 | 0x10000000 / 0x20000000 (0.995 internal) | for game |
| ScePhyMemPartTool | 0x70000000 (0.995 internal) | 0x10000000 (0.995 internal) | for TOOL platforms |