On Mär 06 2019, Anup Patel <[email protected]> wrote:

> On Wed, Mar 6, 2019 at 5:17 PM Andreas Schwab <[email protected]> wrote:
>>
>> On Mär 06 2019, Anup Patel <[email protected]> wrote:
>>
>> >> -----Original Message-----
>> >> From: Andreas Schwab <[email protected]>
>> >> Sent: Wednesday, March 6, 2019 4:27 PM
>> >> To: Anup Patel <[email protected]>
>> >> Cc: Auer, Lukas <[email protected]>; [email protected];
>> >> [email protected]; [email protected]; [email protected];
>> >> [email protected]; [email protected]; [email protected];
>> >> [email protected]; [email protected]; [email protected]; Atish Patra
>> >> <[email protected]>
>> >> Subject: Re: [PATCH v2 0/9] SMP support for RISC-V
>> >>
>> >> Apparently sometimes u-boot tries to boot the kernel on heart 0 (the E51
>> >> core), which will then fail to start userspace, since that cannot cope 
>> >> with the
>> >> missing fpu.
>> >
>> > That's not possible
>>
>> Yes, it is.
>>
>>
>> OpenSBI v0.3 (Mar  6 2019 10:55:01)
>>    ____                    _____ ____ _____
>>   / __ \                  / ____|  _ \_   _|
>>  | |  | |_ __   ___ _ __ | (___ | |_) || |
>>  | |  | | '_ \ / _ \ '_ \ \___ \|  _ < | |
>>  | |__| | |_) |  __/ | | |____) | |_) || |_
>>   \____/| .__/ \___|_| |_|_____/|____/_____|
>>         | |
>>         |_|
>>
>> Platform Name          : SiFive Freedom U540
>> Platform HART Features : RV64ACDFIMSU
>> Platform Max HARTs     : 5
>> Current Hart           : 2
>> Firmware Base          : 0x80000000
>> Firmware Size          : 88 KB
>> Runtime SBI Version    : 0.1
>>
>> PMP0: 0x0000000080000000-0x000000008001ffff (A)
>> PMP1: 0x0000000000000000-0x0000007fffffffff (A,R,W,X)
>>
>>
>> U-Boot 2019.04-rc3-00010-g3ea5582c09 (Mar 06 2019 - 10:06:10 +0100)
>>
>> CPU:   rv64imac
>> Model: sifive,hifive-unleashed-a00
>> DRAM:  8 GiB
>
> How does this prove that U-Boot is booting on HART 0?

See the CPU isa.

Andreas.

-- 
Andreas Schwab, SUSE Labs, [email protected]
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
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