As of 10.12.4, OS X refuses to boot unless the AppleSMC supports a
third I/O port, which provides the current error status when read.
New since v2:
- updated "reviewd-by" fields
- ping ?
>New since v1:
>
> - 1/3: don't touch the default OSK string, as it's unnecessary
> at this time
>
> - 2/3: don't consolidate I/O regions, leave as-is for data
> and cmd; This patch now implements the error-code state
> machine, AND adds an i/o region dedicaded to the error
> status port, complete with read/write access methods.
>
> - 3/3: set access width to 1-byte on data and cmd i/o regions.
> Tested on OS X versions 10.[6..12].
>
>> This series consists of three patches:
>>
>> - 1/3: indentation/whitespace cleanup for applesmc.c to the point
>> where it now passes scripts/checkpatc.pl, and allows
>> subsequent changes to look nice in diff-patch format :)
>>
>> - 2/3: consolidate Port I/O into a single region, and invoke
>> appropriate read/write methods based on the offset being
>> accessed
>>
>> - 3/3: implement read-only error/status port, and update
>> data and command read/write methods to correctly
>> maintain the state machine for keeping the status_1e
>> value up to date.
Gabriel L. Somlo (3):
applesmc: cosmetic whitespace and indentation cleanup
applesmc: implement error status port
applesmc: fix port i/o access width
hw/misc/applesmc.c | 219 +++++++++++++++++++++++++++++++++++++----------------
1 file changed, 155 insertions(+), 64 deletions(-)
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2.7.4