1 files changed, 0 insertions, 155 deletions
diff --git a/src/vboot/vbnv.c b/src/vboot/vbnv.c
deleted file mode 100644
index 79bdc8e5df..0000000000
--- a/src/vboot/vbnv.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2016 Google Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <arch/early_variables.h>
-#include <string.h>
-#include <types.h>
-#include <vboot/vbnv.h>
-#include <vboot/vbnv_layout.h>
-
-static int vbnv_initialized CAR_GLOBAL;
-static uint8_t vbnv[VBOOT_VBNV_BLOCK_SIZE] CAR_GLOBAL;
-
-/* Wrappers for accessing the variables marked as CAR_GLOBAL. */
-static inline int is_vbnv_initialized(void)
-{
-	return car_get_var(vbnv_initialized);
-}
-
-static inline uint8_t *vbnv_data_addr(int index)
-{
-	uint8_t *vbnv_arr = car_get_var_ptr(vbnv);
-
-	return &vbnv_arr[index];
-}
-
-static inline uint8_t vbnv_data(int index)
-{
-	return *vbnv_data_addr(index);
-}
-
-/* Return CRC-8 of the data, using x^8 + x^2 + x + 1 polynomial. */
-static uint8_t crc8_vbnv(const uint8_t *data, int len)
-{
-	unsigned crc = 0;
-	int i, j;
-
-	for (j = len; j; j--, data++) {
-		crc ^= (*data << 8);
-		for (i = 8; i; i--) {
-			if (crc & 0x8000)
-				crc ^= (0x1070 << 3);
-			crc <<= 1;
-		}
-	}
-
-	return (uint8_t) (crc >> 8);
-}
-
-void vbnv_reset(uint8_t *vbnv_copy)
-{
-	memset(vbnv_copy, 0, VBOOT_VBNV_BLOCK_SIZE);
-}
-
-/* Read VBNV data into cache. */
-static void vbnv_setup(void)
-{
-	if (!is_vbnv_initialized()) {
-		read_vbnv(vbnv_data_addr(0));
-		car_set_var(vbnv_initialized, 1);
-	}
-}
-
-/* Verify VBNV header and checksum. */
-int verify_vbnv(uint8_t *vbnv_copy)
-{
-	return (HEADER_SIGNATURE == (vbnv_copy[HEADER_OFFSET] & HEADER_MASK)) &&
-		(crc8_vbnv(vbnv_copy, CRC_OFFSET) == vbnv_copy[CRC_OFFSET]);
-}
-
-/* Re-generate VBNV checksum. */
-void regen_vbnv_crc(uint8_t *vbnv_copy)
-{
-	vbnv_copy[CRC_OFFSET] = crc8_vbnv(vbnv_copy, CRC_OFFSET);
-}
-
-/*
- * Read VBNV data from configured storage backend.
- * If VBNV verification fails, reset the vbnv copy.
- */
-void read_vbnv(uint8_t *vbnv_copy)
-{
-	if (IS_ENABLED(CONFIG_VBOOT_VBNV_CMOS))
-		read_vbnv_cmos(vbnv_copy);
-	else if (IS_ENABLED(CONFIG_VBOOT_VBNV_EC))
-		read_vbnv_ec(vbnv_copy);
-	else if (IS_ENABLED(CONFIG_VBOOT_VBNV_FLASH))
-		read_vbnv_flash(vbnv_copy);
-
-	/* Check data for consistency */
-	if (!verify_vbnv(vbnv_copy))
-		vbnv_reset(vbnv_copy);
-}
-
-/*
- * Write VBNV data to configured storage backend.
- * This assumes that the caller has updated the CRC already.
- */
-void save_vbnv(const uint8_t *vbnv_copy)
-{
-	if (IS_ENABLED(CONFIG_VBOOT_VBNV_CMOS))
-		save_vbnv_cmos(vbnv_copy);
-	else if (IS_ENABLED(CONFIG_VBOOT_VBNV_EC))
-		save_vbnv_ec(vbnv_copy);
-	else if (IS_ENABLED(CONFIG_VBOOT_VBNV_FLASH))
-		save_vbnv_flash(vbnv_copy);
-
-	/* Clear initialized flag to force cached data to be updated */
-	car_set_var(vbnv_initialized, 0);
-}
-
-/* Save a recovery reason into VBNV. */
-void set_recovery_mode_into_vbnv(int recovery_reason)
-{
-	uint8_t vbnv_copy[VBOOT_VBNV_BLOCK_SIZE];
-
-	read_vbnv(vbnv_copy);
-
-	vbnv_copy[RECOVERY_OFFSET] = recovery_reason;
-	vbnv_copy[CRC_OFFSET] = crc8_vbnv(vbnv_copy, CRC_OFFSET);
-
-	save_vbnv(vbnv_copy);
-}
-
-/* Read the recovery reason from VBNV. */
-int get_recovery_mode_from_vbnv(void)
-{
-	vbnv_setup();
-	return vbnv_data(RECOVERY_OFFSET);
-}
-
-/* Read the BOOT_OPROM_NEEDED flag from VBNV. */
-int vboot_wants_oprom(void)
-{
-	vbnv_setup();
-	return (vbnv_data(BOOT_OFFSET) & BOOT_OPROM_NEEDED) ? 1 : 0;
-}
-
-void vbnv_init(uint8_t *vbnv_copy)
-{
-	if (IS_ENABLED(CONFIG_VBOOT_VBNV_CMOS))
-		vbnv_init_cmos(vbnv_copy);
-	read_vbnv(vbnv_copy);
-}