General

Profile

WZ Werner Zeh

Issues

open closed Total
Assigned issues 0 0 0
Reported issues 0 3 3

Projects

Project Roles Registered on
coreboot Manager, Developer 04/11/2016
flashrom Developer 12/14/2024

Activity

01/12/2024

WZ 07:30 AM coreboot Bug #522: `region_overlap()` function might not work as expected due to an integer overflow in `region_end()` function.
Valerii Huhnin wrote in #note-8:
> Werner Zeh wrote in #note-3:
> ...
Thanks for the explanation Valerii.
> This is a region of size 1 which contains only one address, `SIZE_MAX` . But the proposed `region_end()` function would return `S...
Werner Zeh

01/11/2024

WZ 07:26 AM coreboot Bug #522: `region_overlap()` function might not work as expected due to an integer overflow in `region_end()` function.
Thanks for reporting this issue Vadim.
I wonder if we could instead avoid an overflow in the region_end() function.
I have played around with this:
```
static inline size_t region_end(const struct region *r)
{
if (((size_...
Werner Zeh

06/04/2020

WZ 04:41 AM coreboot Feature #194 (Rejected): Upgrade the 12 years old LZMA libraries of coreboot and SeaBIOS for +120% / +180% decompression speed increase
We have tried LZMA version 19.0 and it turned out that the new code is a bit clumsy and larger and do not show any speed benefits. A quick view at the decompressing times has shown that it is even slower (decompressing ramstage and paylo... Werner Zeh

04/26/2017

WZ 04:49 AM coreboot Feature #109 (Resolved): ACPI version 5.0 compatibility
This "feature" is added here just to keep things in mind.
Currently the coreboot ACPI FADT structure is compliant with version 3.0.
If one sets the version to 5.0 in the header, there will be problems at least with Windows 10 when bo...
Werner Zeh

06/27/2016

WZ 04:31 AM coreboot Bug #60 (Resolved): fmaptool: Not able to handle upper case alphabetic hex digits
If upper case hex digits are used in a .fmd file, fmaptool will end up with an error while creating .fmap file. Werner Zeh

01/27/2016

WZ 06:11 AM coreboot Bug #26 (Rejected): cbfstool do not add compression attribute to ramstage
Even if the ramstage is compressed and cbfstool add-stage is called with -c LZMA,
no compression attribute will be added to fallback/ramstage
in the resulting image.
Werner Zeh

01/25/2016

WZ 02:05 PM coreboot Bug #25: Alignments greater than fmap size fail on x86
I have tried to address this issue in this patch: https://review.coreboot.org/#/c/13417 Werner Zeh

Also available in: Atom