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security/intel/txt: Split off microcode error types string printing 

The purpose is to reuse the types string in CBnT error printing.

Change-Id: I435de402fef6d4702c9c7250c8bd31243a04a46e
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54092
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Arthur Heymans 2021-05-12 16:16:19 +02:00 committed by Patrick Georgi
parent 3a1e1f07df
commit 773ecfe11d
2 changed files with 24 additions and 43 deletions
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66
src/security/intel/txt/logging.c
View File

@ -3,11 +3,32 @@
#include <arch/mmio.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
#include <stdint.h>
#include <types.h>
#include "txt.h"
#include "txt_register.h"
const char *intel_txt_processor_error_type(uint8_t type)
{
static const char *const names[] = {
[0] = "Legacy Shutdown",
[5] = "Load memory type error in ACM area",
[6] = "Unrecognized ACM format",
[7] = "Failure to authenticate",
[8] = "Invalid ACM format",
[9] = "Unexpected Snoop hit",
[10] = "Invalid event",
[11] = "Invalid MLE",
[12] = "Machine check event",
[13] = "VMXAbort",
[14] = "AC memory corruption",
[15] = "Illegal voltage/bus ratio",
};
return type < ARRAY_SIZE(names) && names[type] ? names[type] : "Unknown";
}
/**
* Logs microcode or SINIT ACM errors.
* Does not log SBIOS ACM errors.
@ -24,49 +45,8 @@ static void log_txt_error(const char *phase)
else
printk(BIOS_ERR, " Caused by: Processor\n");
printk(BIOS_ERR, " Type: ");
switch (txt_error & TXT_ERROR_MASK) {
case 0:
printk(BIOS_ERR, "Legacy Shutdown\n");
break;
case 5:
printk(BIOS_ERR, "Load memory type error in ACM area\n");
break;
case 6:
printk(BIOS_ERR, "Unrecognized ACM format\n");
break;
case 7:
printk(BIOS_ERR, "Failure to authenticate\n");
break;
case 8:
printk(BIOS_ERR, "Invalid ACM format\n");
break;
case 9:
printk(BIOS_ERR, "Unexpected Snoop hit\n");
break;
case 10:
printk(BIOS_ERR, "Invalid event\n");
break;
case 11:
printk(BIOS_ERR, "Invalid MLE\n");
break;
case 12:
printk(BIOS_ERR, "Machine check event\n");
break;
case 13:
printk(BIOS_ERR, "VMXAbort\n");
break;
case 14:
printk(BIOS_ERR, "AC memory corruption\n");
break;
case 15:
printk(BIOS_ERR, "Illegal voltage/bus ratio\n");
break;
default:
printk(BIOS_ERR, "unknown\n");
break;
}
printk(BIOS_ERR, " Type: %s\n",
intel_txt_processor_error_type(txt_error & TXT_ERROR_MASK));
}
}

1
src/security/intel/txt/txt.h
View File

@ -28,5 +28,6 @@ int intel_txt_run_bios_acm(const u8 input_params);
bool intel_txt_prepare_txt_env(void);
/* Allow platform override to skip TXT lockdown, e.g. required for RAS error injection. */
bool skip_intel_txt_lockdown(void);
const char *intel_txt_processor_error_type(uint8_t type);
#endif /* SECURITY_INTEL_TXT_H_ */