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Line 433:
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→PDN_LGR_SOCMODE
N3DS modes (LGR1/LGR2) enable the New 3DS FCRAM extension and are needed to access N3DS-only devices.
N3DS modes (LGR1/LGR2) enable the New 3DS FCRAM extension and are needed to access N3DS-only devices.
* CTR: O3DSS
* CTR: O3DS
* LGR1: N3DS prototype, 2 cores, no L2C
* LGR1: N3DS prototype, 4 cores (originally 2), no L2C
* LGR2: retail N3DS, 4 cores, has L2C
* LGR2: retail N3DS, 4 cores, has L2C
|-
|-
| 15
| 15
| Busy
| Interrupt status (read) / clear (write)
|}
|}
'''All currently powered-on cores must be (and remain) in WFI state to trigger the SoC mode switch.'''
Kernel code suggests that devices that support LGR1 but not LGR2 only had 2 cores. All cores (the number of which can be read from MPCORE SCU registers) are usable in LGR1 mode.
On firmlaunch, the kernel sets the mode to O3DS.
On firmlaunch, the kernel sets the mode to O3DS.