Bootloader: Difference between revisions
Make wording less wordy. |
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This memory is used by boot9 mainly for sending info to the arm11 for the error-screen. The data in this region is still stored in memory by the time the ARM9+ARM11 jumps to FIRM. | This memory is used by boot9 mainly for sending info to the arm11 for the error-screen. The data in this region is still stored in memory by the time the ARM9+ARM11 jumps to FIRM. | ||
Among boot9/boot11, the 3 words at 0x1FFFE000 seem to be ''only'' accessed by the boot11 function initializing those words. | |||
* u32 0x1FFFE000+0: ARM11 MPCore "Cycle Counter Register (CCNT)". | |||
* u32 0x1FFFE000+4: ARM11 MPCore "Count Register 0 (PMN0)". | |||
* u32 0x1FFFE000+8: ARM11 MPCore "Count Register 1 (PMN0)". | |||
* 8bit-entry-array 0x1FFFE000+0xC: 8bit status-codes initialized by boot9 main(), for the FIRM-boot devices. +0 is NAND and +2 is wifi-spiflash. | * 8bit-entry-array 0x1FFFE000+0xC: 8bit status-codes initialized by boot9 main(), for the FIRM-boot devices. +0 is NAND and +2 is wifi-spiflash. | ||
* ... | * ... |