diff options
Diffstat (limited to 'src/console/post.c')
| -rw-r--r-- | src/console/post.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/console/post.c b/src/console/post.c index ab1afcf50a..a565c6bcfb 100644 --- a/src/console/post.c +++ b/src/console/post.c @@ -22,6 +22,7 @@ #include <arch/io.h> #include <console/console.h> #include <pc80/mc146818rtc.h> +#include <elog.h> /* Write POST information */ @@ -40,6 +41,41 @@ void __attribute__((weak)) mainboard_post(uint8_t value) #endif #if CONFIG_CMOS_POST + +#if !defined(__PRE_RAM__) +void cmos_post_log(void) +{ + u8 code; + + /* Get post code from other bank */ + switch (cmos_read(CMOS_POST_BANK_OFFSET)) { + case CMOS_POST_BANK_0_MAGIC: + code = cmos_read(CMOS_POST_BANK_1_OFFSET); + break; + case CMOS_POST_BANK_1_MAGIC: + code = cmos_read(CMOS_POST_BANK_0_OFFSET); + break; + default: + return; + } + + /* Check last post code in previous boot against normal list */ + switch (code) { + case POST_OS_BOOT: + case POST_OS_RESUME: + case POST_ENTER_ELF_BOOT: + case 0: + break; + default: + printk(BIOS_WARNING, "POST: Unexpected post code " + "in previous boot: 0x%02x\n", code); +#if CONFIG_ELOG + elog_add_event_word(ELOG_TYPE_LAST_POST_CODE, code); +#endif + } +} +#endif /* !__PRE_RAM__ */ + static void cmos_post_code(u8 value) { switch (cmos_read(CMOS_POST_BANK_OFFSET)) { |