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→ARM9 Physical memory regions
=ARM9 Physical memory regions =
=ARM9 Physical memory regions =
==Old3DS==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x4000
| 0x4000
| Data TCM (Mapped during bootrom)
| Data TCM (Mapped during bootrom)
|-
| 0xFFFF0000
| 0x10000
| Bootrom, the main region is at +0x8000, which is disabled during system boot.
|}
==New3DS==
{| class="wikitable" border="1"
|-
! Address
! Size
! Description
|-
| 0x01FF8000
| 0x10000
| Instruction TCM (Accessed by the kernel and process by this address)
|-
| 0x07FF8000
| 0x10000
| Instruction TCM (Accessed by bootrom by this address) (?)
|-
| 0x08000000
| 0x00200000
| ARM9-only internal memory
|-
| 0x10000000
| 0x08000000
| [[IO]] memory
|-
| 0x18000000
| 0x600000
| VRAM
|-
| 0x1FF00000
| 0x80000
| DSP memory
|-
| 0x1FF80000
| 0x80000
| AXI WRAM
|-
| 0x20000000
| 0x10000000
| FCRAM
|-
| 0xFFF00000
| 0x4000
| Data TCM (Mapped during bootrom) (?)
|-
|-
| 0xFFFF0000
| 0xFFFF0000