diff options
| author | Ronald G. Minnich <rminnich@gmail.com> | 2013-08-21 16:03:32 -0700 |
|---|---|---|
| committer | Isaac Christensen <isaac.christensen@se-eng.com> | 2014-08-07 23:55:15 +0200 |
| commit | 34352d16a96b8096094274dddae98e37939857b9 (patch) | |
| tree | 570575406d2dfe98d0d0e4b8e11ecabbf87b590e /src/arch/x86 | |
| parent | 0ffa11bdbba48defc55cd38fb2aa2492ca2b5492 (diff) | |
Possible thread stack implementation.
Architecture provides a function for thread stack base, thread code uses it.
Build and boot tested on Falco with multitasking on and off.
Change-Id: I5016fab47f9954379acf7702ac7965b0a70c88ed
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/66578
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Ronald G. Minnich <rminnich@chromium.org>
Tested-by: Ronald G. Minnich <rminnich@chromium.org>
(cherry picked from commit 3c6afef30c1a0ad6fba0fb76acc792184d924247)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6513
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/lib/thread.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/arch/x86/lib/thread.c b/src/arch/x86/lib/thread.c index 06f8a154e2..b1549b5e32 100644 --- a/src/arch/x86/lib/thread.c +++ b/src/arch/x86/lib/thread.c @@ -56,3 +56,10 @@ void arch_prepare_thread(struct thread *t, t->stack_current = stack; } + +void *arch_get_thread_stackbase(void) +{ + /* defined in c_start.S */ + extern u8 thread_stacks[]; + return &thread_stacks[0]; +} |