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lib/thread,lib/hardwaremain: Lazy initialize threads

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By lazy initializing the threads, if a stage doesn't use them, they will
be garbage collected.

BUG=b:179699789
TEST=Boot guybrush to the OS and verify threads worked

Suggested-by: Julius Werner <jwerner@chromium.org>
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I7208ffb5dcda63d916bc6cfdea28d92a62435da6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56532
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Raul E Rangel
2021-07-22 11:16:19 -06:00
committed by Patrick Georgi
parent 7db7ee984c
commit a2d83c68a3
3 changed files with 10 additions and 5 deletions
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3
src/include/thread.h
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@ -51,8 +51,6 @@ struct thread {
struct thread_handle *handle;
};
void threads_initialize(void);
/* Return 0 on successful yield, < 0 when thread did not yield. */
int thread_yield(void);
@ -88,7 +86,6 @@ asmlinkage void switch_to_thread(uintptr_t new_stack, uintptr_t *saved_stack);
void arch_prepare_thread(struct thread *t,
asmlinkage void (*thread_entry)(void *), void *arg);
#else
static inline void threads_initialize(void) {}
static inline int thread_yield(void)
{
return -1;