Le 03/01/2022 à 01:45, Luke Kenneth Casson Leighton a écrit :
> i am pleased to be able to announce the successful booting of microwatt-5.7
> linux buildroot... under a veriilator simulation of the microwatt VHDL.
> from a hardware development and research perspective this is highly
> significant
On Tue, Feb 1, 2022 at 11:53 AM Michael Ellerman wrote:
> If you build with CONFIG_RELOCATABLE=y and CONFIG_RELOCATABLE_TEST=y the
> kernel will run wherever you load it (must be 64K aligned), without
> copying itself down to zero first. That will save you a few cycles.
ahh, thank you :)
l.
Nicholas Piggin writes:
> Excerpts from lkcl's message of January 31, 2022 2:19 pm:
>>
>> On January 31, 2022 3:31:41 AM UTC, Nicholas Piggin
>> wrote:
>>>Hi Luke,
>>>
>>>Interesting to read about the project, thanks for the post.
>>
>> no problem. it's been i think 18 years since i last did l
On Tue, Feb 1, 2022 at 6:27 AM Nicholas Piggin wrote:
> Not sure of the details on that. Is it memcpy()ing out of ROM or RAM to
> RAM? Is this in the arch boot code? (I don't know very well).
RAM to RAM. arch/powerpc/boot/main.c:
if (uncompressed_image) {
memcpy(addr, vmlinuz_addr
Excerpts from lkcl's message of January 31, 2022 2:19 pm:
>
>
> On January 31, 2022 3:31:41 AM UTC, Nicholas Piggin wrote:
>>Hi Luke,
>>
>>Interesting to read about the project, thanks for the post.
>
> no problem. it's been i think 18 years since i last did linux kernel work.
>
>>> i also had
On Mon, 2022-01-31 at 04:19 +, lkcl wrote:
> > How do you even read the SYSCON parameter for frequency?
>
>
> SYSCON is just a term for a memory-mapped wishbone ROM which contains
> a crude easily-decoded binary form of devicetree.
Talking of which, if we're going to make use if it (we shoul
On January 31, 2022 3:31:41 AM UTC, Nicholas Piggin wrote:
>Hi Luke,
>
>Interesting to read about the project, thanks for the post.
no problem. it's been i think 18 years since i last did linux kernel work.
>> i also had to fix a couple of things in the linux kernel source
>> https://git.kern
Hi Luke,
Interesting to read about the project, thanks for the post.
Excerpts from Luke Kenneth Casson Leighton's message of January 3, 2022 10:45
am:
> i am pleased to be able to announce the successful booting of microwatt-5.7
> linux buildroot... under a veriilator simulation of the microwatt
i am pleased to be able to announce the successful booting of microwatt-5.7
linux buildroot... under a veriilator simulation of the microwatt VHDL.
from a hardware development and research perspective this is highly
significant because unlike the FPGA boot which was previously reported,
https://she
