[HN Gopher] RISC-V SBI and the full boot process
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       RISC-V SBI and the full boot process
        
       Author : snvzz
       Score  : 19 points
       Date   : 2023-09-10 22:10 UTC (50 minutes ago)
        
 (HTM) web link (popovicu.com)
 (TXT) w3m dump (popovicu.com)
        
       | Taniwha wrote:
       | It's worth understanding that the initial hard coded (pre
       | OpenSBI) code on a real CPU (rather than an emulator like QEMU)
       | is likely doing a bunch of things:                  -
       | Initialising the DRAM controller and sizing memory        -
       | optionally doing some crypto auth of the OpenSBI/etc to make sure
       | they're not bogus        - Copying OpenSBI (and possibly a
       | subsequent U-boot or kernel) into it from ROM
        
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       (page generated 2023-09-10 23:00 UTC)