diff options
Diffstat (limited to 'src/include/cbmem.h')
| -rw-r--r-- | src/include/cbmem.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/include/cbmem.h b/src/include/cbmem.h index 5c4b7c7189..c13fe925ad 100644 --- a/src/include/cbmem.h +++ b/src/include/cbmem.h @@ -158,4 +158,20 @@ void set_top_of_ram(uint64_t ramtop); void backup_top_of_ram(uint64_t ramtop); #endif +/* + * Returns 0 for the stages where we know that cbmem does not come online. + * Even if this function returns 1 for romstage, depending upon the point in + * bootup, cbmem might not actually be online. + */ +static inline int cbmem_possibly_online(void) +{ + if (ENV_BOOTBLOCK) + return 0; + + if (ENV_VERSTAGE && IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK)) + return 0; + + return 1; +} + #endif /* _CBMEM_H_ */ |