Extend the local APIC timer delay so that it can be started,
and waited for, independently.
Add an EOI so that more than one APIC timer interrupt is possible.
Previous to this, because there was no EOI, the first timer
interrupt the CPU took was also the last it would take --
apic_delay would only work one time.
Change-Id: Ib11aeee5b7da81287166ac68fc327e7ae62d1b84
Signed-off-by: Ronald G Minnich <rminnich@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43323
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Stefan thinks they don't add value.
Command used:
sed -i -e '/file is part of /d' $(git grep "file is part of " |egrep ":( */\*.*\*/\$|#|;#|-- | *\* )" | cut -d: -f1 |grep -v crossgcc |grep -v gcov | grep -v /elf.h |grep -v nvramtool)
The exceptions are for:
- crossgcc (patch file)
- gcov (imported from gcc)
- elf.h (imported from GNU's libc)
- nvramtool (more complicated header)
The removed lines are:
- fmt.Fprintln(f, "/* This file is part of the coreboot project. */")
-# This file is part of a set of unofficial pre-commit hooks available
-/* This file is part of coreboot */
-# This file is part of msrtool.
-/* This file is part of msrtool. */
- * This file is part of ncurses, designed to be appended after curses.h.in
-/* This file is part of pgtblgen. */
- * This file is part of the coreboot project.
- /* This file is part of the coreboot project. */
-# This file is part of the coreboot project.
-# This file is part of the coreboot project.
-## This file is part of the coreboot project.
--- This file is part of the coreboot project.
-/* This file is part of the coreboot project */
-/* This file is part of the coreboot project. */
-;## This file is part of the coreboot project.
-# This file is part of the coreboot project. It originated in the
- * This file is part of the coreinfo project.
-## This file is part of the coreinfo project.
- * This file is part of the depthcharge project.
-/* This file is part of the depthcharge project. */
-/* This file is part of the ectool project. */
- * This file is part of the GNU C Library.
- * This file is part of the libpayload project.
-## This file is part of the libpayload project.
-/* This file is part of the Linux kernel. */
-## This file is part of the superiotool project.
-/* This file is part of the superiotool project */
-/* This file is part of uio_usbdebug */
Change-Id: I82d872b3b337388c93d5f5bf704e9ee9e53ab3a9
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41194
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
We should have a spurious interrupt vector just incase we get one. The
handler doesn't need to do anything.
BUG=b:116777191
TEST=Booted depthcharge on grunt and inspected the register. I can't
generate a spurious interrupt, so I can't validate that the handler gets
called.
Change-Id: I9e49e617f4375eb5eb00d0715c1902f77e2bf284
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://review.coreboot.org/28880
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Only set end of interrupt (EOI) when the APIC In-Service vector matches
the interrupt vector. This makes it so we don't EOI a non APIC
interrupt.
BUG=b:116777191
TEST=Booted grunt with APIC enabled and verified depthcharge still
works.
Change-Id: I00bd1e7a0fcf2fc004feadc40d22ebfefe68b384
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://review.coreboot.org/28879
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
As per internal discussion, there's no "ChromiumOS Authors" that's
meaningful outside the Chromium OS project, so change everything to the
contemporary "Google LLC."
While at it, also ensure consistency in the LLC variants (exactly one
trailing period).
"Google Inc" does not need to be touched, so leave them alone.
Change-Id: Ia0780e31cdab879d2aaef62a2f0403e3db0a4ac8
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/28756
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Joel Kitching <kitching@google.com>
This reduces power consumption on grunt by over 3W when sitting at the
depthcharge recovery screen.
BUG=b:109749762
TEST=Booted grunt in the recovery screen and made sure it continued to
work.
Change-Id: Id079c099ee4cf6a07724241af4400063f4551668
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://review.coreboot.org/28245
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-by: Julius Werner <jwerner@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
The apic_delay method will halt the CPU and wait for a timer interrupt
to fire. I went with usec because nsec is too granular to guarantee.
This method will be called from an arch_ndelay() method when the delay
is large enough to justify a sleep.
BUG=b:109749762
TEST=Tested it on grunt by changing the _delay method to call
apic_delay().
Change-Id: I80363f06bdb22d0907f895885e607fde1c4c468d
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://review.coreboot.org/28242
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This is just the bare minimum required to initialize the APIC. I only
support xAPIC and chose not to support x2APIC. We can add that
functionality later when it's required.
I also made the exception dispatcher call apic_eoi so that the callbacks
won't forget to call it.
BUG=b:109749762
TEST=Booted grunt and verified that depthcharge continued to function
and that linux booted correctly. Also verified GDB still works.
Change-Id: I420a4eadae84df088525e727b481089ef615183f
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://review.coreboot.org/28241
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Ronald G Minnich