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writeprotect: Add some debug logging if wp_verify fails

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Change-Id: I5fcaf767570418f90ae44826a1135d9b49653033
Signed-off-by: Evan Benn <evanbenn@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/67720
Reviewed-by: Nikolai Artemiev <nartemiev@google.com>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Evan Benn
2022-09-13 17:12:59 +10:00
committed by Anastasia Klimchuk
parent b9c03286b6
commit 74c3e56ec2
1 changed files with 8 additions and 3 deletions
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11
writeprotect.c
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@ -155,6 +155,7 @@ static enum flashrom_wp_result write_wp_bits(struct flashctx *flash, struct wp_b
return FLASHROM_WP_ERR_WRITE_FAILED;
}
enum flashrom_wp_result ret = FLASHROM_WP_OK;
/* Verify each register */
for (enum flash_reg reg = STATUS1; reg < MAX_REGISTERS; reg++) {
if (!write_masks[reg])
@ -164,14 +165,18 @@ static enum flashrom_wp_result write_wp_bits(struct flashctx *flash, struct wp_b
if (wp_read_register(flash, reg, &value))
return FLASHROM_WP_ERR_READ_FAILED;
msg_cdbg2("%s: wp_verify reg:%u value:0x%x\n", __func__, reg, value);
uint8_t actual = value & write_masks[reg];
uint8_t expected = reg_values[reg] & write_masks[reg];
if (actual != expected)
return FLASHROM_WP_ERR_VERIFY_FAILED;
if (actual != expected) {
msg_cdbg("%s: wp_verify failed: reg:%u actual:0x%x expected:0x%x\n",
__func__, reg, actual, expected);
ret = FLASHROM_WP_ERR_VERIFY_FAILED;
}
}
return FLASHROM_WP_OK;
return ret;
}
static decode_range_func_t *lookup_decode_range_func_ptr(const struct flashchip *chip)