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x86: add thread support

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Thread support is added for the x86 architecture. Both
the local apic and the tsc udelay() functions have a
call to thread_yield_microseconds() so as to provide an
opportunity to run pending threads.

Change-Id: Ie39b9eb565eb189676c06645bdf2a8720fe0636a
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/3207
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Aaron Durbin
2013-05-06 12:22:23 -05:00
committed by Ronald G. Minnich
parent 4409a5eef6
commit 38c326d041
9 changed files with 140 additions and 1 deletions
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2
src/arch/x86/lib/Makefile.inc
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@@ -9,6 +9,8 @@ ramstage-y += memset.c
ramstage-y += memcpy.c
ramstage-y += ebda.c
ramstage-y += rom_media.c
ramstage-$(CONFIG_COOP_MULTITASKING) += thread.c
ramstage-$(CONFIG_COOP_MULTITASKING) += thread_switch.S
romstage-$(CONFIG_EARLY_CONSOLE) += romstage_console.c
romstage-y += cbfs_and_run.c