In memory of Ben “bushing” Byer, who passed away on Monday, February 8th, 2016.

Difference between revisions of "Memory map"

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(Add 1GB data area for the foreground app)
(Add loader data area)
Line 20: Line 20:
 
| MEM0
 
| MEM0
 
| Ancast image
 
| Ancast image
 +
|-
 +
| 0x1B900000
 +
| 0x1B97FFFF
 +
| 0x80000
 +
| MEM2
 +
| Loader data area
 
|-
 
|-
 
| 0x32000000
 
| 0x32000000

Revision as of 22:58, 26 August 2015

The Wii U has a variety of physical memory sources. There is the 2 GiB of DDR3 split into 4 chips (MEM2), 32 MiB of fast 1T SRAM (MEM1), and the old GX framebuffer (MEM0).

Start Address End Address Size Chip Description
0x00000000 0x01FFFFFF 0x2000000 MEM1 MEM1 (for use by Cafe OS apps)
0x08000000 0x0811FFFF 0x120000 MEM0 Ancast image
0x1B900000 0x1B97FFFF 0x80000 MEM2 Loader data area
0x32000000 0x327FFFFF 0x800000 MEM2 Cafe OS loader and libraries
0x50000000 0x8FFFFFFF 0x40000000 MEM2 Foreground app data area
0xFFE00000 0xFFF1FFFF 0x120000 MEM0 Cafe OS kernel (mirror of ancast)