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arch/x86,lib/thread: Enable thread support in romstage

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This change does the following:
* Pushes the cpu_info struct into the top of the stack (just like
  c_start.S). This is required so the cpu_info function works correctly.

* Adds the thread.c to the romstage build.

I only enabled this for romstage since I haven't done any tests in other
stages, but in theory it should work for other stages.

BUG=b:179699789
TEST=Boot guybrush with threads enabled in romstage

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I8e32e1c54dea0d0c85dd6d6753147099aa54b9b5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56494
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Raul E Rangel
2021-07-21 14:34:00 -06:00
committed by Patrick Georgi
parent e279d90d4d
commit ca0606e04f
4 changed files with 17 additions and 3 deletions
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8
src/lib/Makefile.inc
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@@ -149,8 +149,6 @@ ramstage-$(CONFIG_COVERAGE) += libgcov.c
ramstage-y += edid.c
ramstage-y += edid_fill_fb.c
ramstage-y += memrange.c
ramstage-$(CONFIG_COOP_MULTITASKING) += thread.c
ramstage-$(CONFIG_TIMER_QUEUE) += timer_queue.c
ramstage-$(CONFIG_GENERIC_GPIO_LIB) += gpio.c
ramstage-$(CONFIG_GENERIC_UDELAY) += timer.c
ramstage-y += b64_decode.c
@@ -160,6 +158,12 @@ ramstage-$(CONFIG_FLATTENED_DEVICE_TREE) += device_tree.c
ramstage-$(CONFIG_PAYLOAD_FIT_SUPPORT) += fit.c
ramstage-$(CONFIG_PAYLOAD_FIT_SUPPORT) += fit_payload.c
romstage-$(CONFIG_TIMER_QUEUE) += timer_queue.c
ramstage-$(CONFIG_TIMER_QUEUE) += timer_queue.c
romstage-$(CONFIG_COOP_MULTITASKING) += thread.c
ramstage-$(CONFIG_COOP_MULTITASKING) += thread.c
romstage-y += cbmem_common.c
romstage-y += imd_cbmem.c
romstage-y += imd.c