> You could try to change the base address in bbl/bbl.lds. This might
> help, if for example bbl finds _payload_start with a LUI instruction
> rather than a AUIPC instruction.
There is no problem loading the address of _payload_start, the machine code is
as follows
8020038c: 00200797 auipc a5,0x200
80200390: c7478793 addi a5,a5,-908 # 80400000
<_payload_start>
80200394: 4501 li a0,0
80200396: 00012717 auipc a4,0x12
8020039a: c6f73523 sd a5,-918(a4) # 80212000
<entry_point>
8020039e: f4bff0ef jal ra,802002e8 <boot_other_hart>
> Does bbl print its logo (the RV banner)?
Yes, bbl print its logo.
------------------
王翔
安全研究员
广州市腾御安信息科技有限公司
广州市天河区珠江新城华穗路406号保利克洛维二期中景A座1020-1024
------------------ Original ------------------
From: "Jonathan Neuschäfer"<[email protected]>;
Date: Fri, Dec 21, 2018 03:59 PM
To: "王翔"<[email protected]>;
Cc: "coreboot"<[email protected]>; "j.neuschaefer"<[email protected]>;
"philipp"<[email protected]>; "citypw"<[email protected]>;
Subject: Re: Please help me adapt coreboot to HiFive-Unleashed
Hi,
I'll be busy with christmas or travelling until January, so I can't
spend much time on this now. Sorry. Please remind me in January.
On Thu, Dec 20, 2018 at 11:56:17AM +0800, 王翔 wrote:
> I tried to adapt coreboot to HiFive-Unleashed and boot bbl with coreboot and
> run linux.
> My changes are as follows:
>
> https://github.com/hardenedlinux/coreboot-HiFiveUnleashed/tree/HiFive-Unleashed-Test-Change
>
> My code can run bbl, but it doesn't respond when bbl exits m-mode and enters
> linux.
>
> I use freedom-u-sdk to compile bbl. In order not to conflict with the
> coreboot memory address, execute the following command.
> riscv64-elf-objcopy --change-addresses 0x200000 work/riscv-pk/bbl
> ../coreboot/payload.elf
>
> I don't know what I missed, what should I do, I hope to get your help.
You could try to change the base address in bbl/bbl.lds. This might
help, if for example bbl finds _payload_start with a LUI instruction
rather than a AUIPC instruction.
Does bbl print its logo (the RV banner)?
Jonathan_______________________________________________
coreboot mailing list -- [email protected]
To unsubscribe send an email to [email protected]
