Difference between revisions of "Memory budget"
Jump to navigation
Jump to search
(Created page with "Memory budget allocated to System {| class='wikitable' ! name ! base paddr ! size ! Comments |- | ScePhyMemPartGameCdram | 0x20000000 | 0x7000000 | cdram for game |- | ScePhy...") |
CelesteBlue (talk | contribs) |
||
| Line 1: | Line 1: | ||
| − | + | 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 |