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rules.h, thread.h, lib/cbfs: Add ENV_STAGE_SUPPORTS_COOP 

This change consolidates the COOP rules. Co-op in theory works in all
x86 stages now, but it hasn't been enabled yet.

BUG=b:179699789
TEST=Boot guybrush to OS and verify preloads still work

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I1197406d1d36391998b08e3076146bb2fff59d00
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59550
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Raul E Rangel 2021-11-22 13:43:49 -07:00 committed by Felix Held
parent af54d7d0dd
commit d8f07c1f35
3 changed files with 9 additions and 2 deletions
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7
src/include/rules.h
View File

@ -303,6 +303,13 @@
/* When set <arch/smp/spinlock.h> is included for the spinlock implementation. */
#define ENV_STAGE_SUPPORTS_SMP (CONFIG(SMP) && STAGE_HAS_SPINLOCKS)
#if ENV_X86 && CONFIG(COOP_MULTITASKING) && (ENV_RAMSTAGE || ENV_ROMSTAGE)
/* TODO: Enable in all x86 stages */
#define ENV_STAGE_SUPPORTS_COOP 1
#else
#define ENV_STAGE_SUPPORTS_COOP 0
#endif
/**
* For pre-DRAM stages and post-CAR always build with simple device model, ie.
* PCI, PNP and CPU functions operate without use of devicetree. The reason

2
src/include/thread.h
View File

@ -38,7 +38,7 @@ int thread_run_until(struct thread_handle *handle, enum cb_err (*func)(void *),
/* Waits until the thread has terminated and returns the error code */
enum cb_err thread_join(struct thread_handle *handle);
#if (ENV_RAMSTAGE || ENV_ROMSTAGE) && CONFIG(COOP_MULTITASKING)
#if ENV_STAGE_SUPPORTS_COOP
struct thread {
int id;

2
src/lib/cbfs.c
View File

@ -359,7 +359,7 @@ static enum cb_err get_preload_rdev(struct region_device *rdev, const char *name
enum cb_err err;
struct cbfs_preload_context *context;
if (!CONFIG(CBFS_PRELOAD) || (!ENV_RAMSTAGE && !ENV_ROMSTAGE))
if (!CONFIG(CBFS_PRELOAD) || !ENV_STAGE_SUPPORTS_COOP)
return CB_ERR_ARG;
context = find_cbfs_preload_context(name);