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Hello build bot (Jenkins), Angel Pons,
I'd like you to reexamine a change. Please visit
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to look at the new patch set (#6).
Change subject: ich_descriptors.c: Assert unsigned types >=0 on to prevent underflow error
......................................................................
ich_descriptors.c: Assert unsigned types >=0 on to prevent underflow error
Unsigned types show undefined …
[View More]behaviour if they are subtracted by a
value greater than their own (mostly it wraps to the max value). Using
this value for left shifting could be even more dangerous.
Change-Id: I5921cc571f3dca5188ca1973dba6ececbcbe2f39
Signed-off-by: Aarya Chaumal <aarya.chaumal(a)gmail.com>
---
M ich_descriptors.c
1 file changed, 4 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/64/62764/6
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Gerrit-Change-Number: 62764
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Hello build bot (Jenkins), Angel Pons,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/flashrom/+/62764
to look at the new patch set (#5).
Change subject: ich_descriptors.c: Assert unsigned types >=0 on to prevent underflow error
......................................................................
ich_descriptors.c: Assert unsigned types >=0 on to prevent underflow error
Unsigned types show undefined …
[View More]behaviour if they are subtracted by a
value greater than their own (mostly it wraps to the max value). Using
this value for left shifting could be even more dangerous.
Change-Id: I5921cc571f3dca5188ca1973dba6ececbcbe2f39
Signed-off-by: Aarya Chaumal <aarya.chaumal(a)gmail.com>
---
M ich_descriptors.c
1 file changed, 4 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/64/62764/5
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Gerrit-Change-Number: 62764
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Attention is currently required from: Light.
Hello build bot (Jenkins), Angel Pons,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/flashrom/+/62764
to look at the new patch set (#4).
Change subject: ich_descriptors.c: Assert unsigned types >=0 on to prevent underflow error
......................................................................
ich_descriptors.c: Assert unsigned types >=0 on to prevent underflow error
Unsigned types show undefined …
[View More]behaviour if they are subtracted by a
value greater than their own (mostly it wraps to the max value). Using
this value for left shifting could be even more dangerous.
Change-Id: I5921cc571f3dca5188ca1973dba6ececbcbe2f39
Signed-off-by: Aarya Chaumal <aarya.chaumal(a)gmail.com>
---
M ich_descriptors.c
1 file changed, 4 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/64/62764/4
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Hello build bot (Jenkins), Nico Huber, Angel Pons,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/flashrom/+/62763
to look at the new patch set (#3).
Change subject: ich_descriptors.c: Initialize structures with memset
......................................................................
ich_descriptors.c: Initialize structures with memset
Initialize structures with memset so that they do not …
[View More]produce garbage
values if the fields are not initialized later.
Change-Id: I6e5bc84c6199a0731db0a9c8ef56f1215686dab2
Signed-off-by: Aarya Chaumal <aarya.chaumal(a)gmail.com>
---
M ich_descriptors.c
1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/63/62763/3
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Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/62764 )
Change subject: ich_descriptors.c: Assert unsigned types >=0 on to prevent underflow error
......................................................................
Patch Set 3:
(1 comment)
File ich_descriptors.c:
https://review.coreboot.org/c/flashrom/+/62764/comment/5ff2f92b_7144b5f3
PS3, Line 507: {
Please put this brace on the previous line
…
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Attention is currently required from: Keith Hui, Light, Anastasia Klimchuk.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/62761 )
Change subject: board_enable.c: Fix dead assignment
......................................................................
Patch Set 4: Code-Review+1
(1 comment)
Patchset:
PS1:
> Maybe INB has some side-effects, for example doing something and then the assignment happens. […]
`INB(0x80)` reads a byte from I/O port …
[View More]0x80. This port is typically used to output POST codes, so the data being read is irrelevant. I'm pretty sure this is just to "relax" the polling loop a bit (make it poll less frequently).
One would typically use a proper delay function instead. This is especially important when communicating with another microcontroller: querying the status could trigger an interrupt handler in the other microcontroller, and polling too often would unnecessarily slow things down. This doesn't matter in this case, as the status is provided by hardware.
TL;DR: This is used as a very small delay, it could be replaced with a proper delay function but I'm not sure if it's worth it (Keith would know better).
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