iMX: adding parsing to hab_status command
hab_status command returns a memory dump of the hab event log. But the raw data is not human-readable. Parsing such data into readable event will help to minimize debbuging time. Signed-off-by: Ulises Cardenas <Ulises.Cardenas@freescale.com>
This commit is contained in:
Ulises Cardenas
Stefano Babic
parent
19c6ec70c5
commit
29067abfaf
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@ -1,5 +1,5 @@
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/*
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* Copyright (C) 2010-2014 Freescale Semiconductor, Inc.
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* Copyright (C) 2010-2015 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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@ -111,6 +111,153 @@
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* +------------+ + CSF_PAD_SIZE
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*/
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#define MAX_RECORD_BYTES (8*1024) /* 4 kbytes */
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struct record {
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uint8_t tag; /* Tag */
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uint8_t len[2]; /* Length */
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uint8_t par; /* Version */
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uint8_t contents[MAX_RECORD_BYTES];/* Record Data */
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bool any_rec_flag;
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};
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char *rsn_str[] = {"RSN = HAB_RSN_ANY (0x00)\n",
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"RSN = HAB_ENG_FAIL (0x30)\n",
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"RSN = HAB_INV_ADDRESS (0x22)\n",
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"RSN = HAB_INV_ASSERTION (0x0C)\n",
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"RSN = HAB_INV_CALL (0x28)\n",
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"RSN = HAB_INV_CERTIFICATE (0x21)\n",
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"RSN = HAB_INV_COMMAND (0x06)\n",
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"RSN = HAB_INV_CSF (0x11)\n",
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"RSN = HAB_INV_DCD (0x27)\n",
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"RSN = HAB_INV_INDEX (0x0F)\n",
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"RSN = HAB_INV_IVT (0x05)\n",
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"RSN = HAB_INV_KEY (0x1D)\n",
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"RSN = HAB_INV_RETURN (0x1E)\n",
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"RSN = HAB_INV_SIGNATURE (0x18)\n",
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"RSN = HAB_INV_SIZE (0x17)\n",
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"RSN = HAB_MEM_FAIL (0x2E)\n",
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"RSN = HAB_OVR_COUNT (0x2B)\n",
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"RSN = HAB_OVR_STORAGE (0x2D)\n",
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"RSN = HAB_UNS_ALGORITHM (0x12)\n",
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"RSN = HAB_UNS_COMMAND (0x03)\n",
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"RSN = HAB_UNS_ENGINE (0x0A)\n",
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"RSN = HAB_UNS_ITEM (0x24)\n",
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"RSN = HAB_UNS_KEY (0x1B)\n",
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"RSN = HAB_UNS_PROTOCOL (0x14)\n",
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"RSN = HAB_UNS_STATE (0x09)\n",
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"RSN = INVALID\n",
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NULL};
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char *sts_str[] = {"STS = HAB_SUCCESS (0xF0)\n",
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"STS = HAB_FAILURE (0x33)\n",
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"STS = HAB_WARNING (0x69)\n",
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"STS = INVALID\n",
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NULL};
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char *eng_str[] = {"ENG = HAB_ENG_ANY (0x00)\n",
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"ENG = HAB_ENG_SCC (0x03)\n",
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"ENG = HAB_ENG_RTIC (0x05)\n",
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"ENG = HAB_ENG_SAHARA (0x06)\n",
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"ENG = HAB_ENG_CSU (0x0A)\n",
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"ENG = HAB_ENG_SRTC (0x0C)\n",
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"ENG = HAB_ENG_DCP (0x1B)\n",
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"ENG = HAB_ENG_CAAM (0x1D)\n",
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"ENG = HAB_ENG_SNVS (0x1E)\n",
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"ENG = HAB_ENG_OCOTP (0x21)\n",
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"ENG = HAB_ENG_DTCP (0x22)\n",
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"ENG = HAB_ENG_ROM (0x36)\n",
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"ENG = HAB_ENG_HDCP (0x24)\n",
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"ENG = HAB_ENG_RTL (0x77)\n",
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"ENG = HAB_ENG_SW (0xFF)\n",
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"ENG = INVALID\n",
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NULL};
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char *ctx_str[] = {"CTX = HAB_CTX_ANY(0x00)\n",
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"CTX = HAB_CTX_FAB (0xFF)\n",
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"CTX = HAB_CTX_ENTRY (0xE1)\n",
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"CTX = HAB_CTX_TARGET (0x33)\n",
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"CTX = HAB_CTX_AUTHENTICATE (0x0A)\n",
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"CTX = HAB_CTX_DCD (0xDD)\n",
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"CTX = HAB_CTX_CSF (0xCF)\n",
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"CTX = HAB_CTX_COMMAND (0xC0)\n",
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"CTX = HAB_CTX_AUT_DAT (0xDB)\n",
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"CTX = HAB_CTX_ASSERT (0xA0)\n",
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"CTX = HAB_CTX_EXIT (0xEE)\n",
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"CTX = INVALID\n",
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NULL};
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uint8_t hab_statuses[5] = {
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HAB_STS_ANY,
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HAB_FAILURE,
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HAB_WARNING,
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HAB_SUCCESS,
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-1
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};
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uint8_t hab_reasons[26] = {
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HAB_RSN_ANY,
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HAB_ENG_FAIL,
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HAB_INV_ADDRESS,
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HAB_INV_ASSERTION,
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HAB_INV_CALL,
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HAB_INV_CERTIFICATE,
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HAB_INV_COMMAND,
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HAB_INV_CSF,
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HAB_INV_DCD,
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HAB_INV_INDEX,
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HAB_INV_IVT,
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HAB_INV_KEY,
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HAB_INV_RETURN,
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HAB_INV_SIGNATURE,
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HAB_INV_SIZE,
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HAB_MEM_FAIL,
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HAB_OVR_COUNT,
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HAB_OVR_STORAGE,
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HAB_UNS_ALGORITHM,
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HAB_UNS_COMMAND,
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HAB_UNS_ENGINE,
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HAB_UNS_ITEM,
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HAB_UNS_KEY,
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HAB_UNS_PROTOCOL,
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HAB_UNS_STATE,
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-1
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};
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uint8_t hab_contexts[12] = {
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HAB_CTX_ANY,
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HAB_CTX_FAB,
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HAB_CTX_ENTRY,
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HAB_CTX_TARGET,
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HAB_CTX_AUTHENTICATE,
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HAB_CTX_DCD,
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HAB_CTX_CSF,
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HAB_CTX_COMMAND,
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HAB_CTX_AUT_DAT,
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HAB_CTX_ASSERT,
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HAB_CTX_EXIT,
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-1
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};
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uint8_t hab_engines[16] = {
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HAB_ENG_ANY,
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HAB_ENG_SCC,
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HAB_ENG_RTIC,
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HAB_ENG_SAHARA,
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HAB_ENG_CSU,
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HAB_ENG_SRTC,
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HAB_ENG_DCP,
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HAB_ENG_CAAM,
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HAB_ENG_SNVS,
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HAB_ENG_OCOTP,
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HAB_ENG_DTCP,
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HAB_ENG_ROM,
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HAB_ENG_HDCP,
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HAB_ENG_RTL,
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HAB_ENG_SW,
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-1
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};
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bool is_hab_enabled(void)
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{
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struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
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@ -122,6 +269,28 @@ bool is_hab_enabled(void)
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return (reg & 0x2) == 0x2;
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}
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static inline uint8_t get_idx(uint8_t *list, uint8_t tgt)
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{
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uint8_t idx = 0;
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uint8_t element = list[idx];
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while (element != -1) {
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if (element == tgt)
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return idx;
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element = list[++idx];
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}
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return -1;
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}
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void process_event_record(uint8_t *event_data, size_t bytes)
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{
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struct record *rec = (struct record *)event_data;
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printf("\n\n%s", sts_str[get_idx(hab_statuses, rec->contents[0])]);
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printf("%s", rsn_str[get_idx(hab_reasons, rec->contents[1])]);
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printf("%s", ctx_str[get_idx(hab_contexts, rec->contents[2])]);
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printf("%s", eng_str[get_idx(hab_engines, rec->contents[3])]);
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}
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void display_event(uint8_t *event_data, size_t bytes)
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{
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uint32_t i;
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@ -137,6 +306,8 @@ void display_event(uint8_t *event_data, size_t bytes)
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else
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printf(" 0x%02x", event_data[i]);
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}
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process_event_record(event_data, bytes);
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}
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int get_hab_status(void)
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@ -1,5 +1,5 @@
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/*
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* Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
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* Copyright (C) 2012-2015 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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@ -23,24 +23,68 @@ enum hab_status {
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/* Security Configuration definitions */
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enum hab_config {
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HAB_CFG_RETURN = 0x33, /**< Field Return IC */
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HAB_CFG_OPEN = 0xf0, /**< Non-secure IC */
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HAB_CFG_CLOSED = 0xcc /**< Secure IC */
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HAB_CFG_RETURN = 0x33, /* < Field Return IC */
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HAB_CFG_OPEN = 0xf0, /* < Non-secure IC */
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HAB_CFG_CLOSED = 0xcc /* < Secure IC */
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};
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/* State definitions */
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enum hab_state {
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HAB_STATE_INITIAL = 0x33, /**< Initialising state (transitory) */
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HAB_STATE_CHECK = 0x55, /**< Check state (non-secure) */
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HAB_STATE_NONSECURE = 0x66, /**< Non-secure state */
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HAB_STATE_TRUSTED = 0x99, /**< Trusted state */
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HAB_STATE_SECURE = 0xaa, /**< Secure state */
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HAB_STATE_FAIL_SOFT = 0xcc, /**< Soft fail state */
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HAB_STATE_FAIL_HARD = 0xff, /**< Hard fail state (terminal) */
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HAB_STATE_NONE = 0xf0, /**< No security state machine */
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HAB_STATE_INITIAL = 0x33, /* Initialising state (transitory) */
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HAB_STATE_CHECK = 0x55, /* Check state (non-secure) */
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HAB_STATE_NONSECURE = 0x66, /* Non-secure state */
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HAB_STATE_TRUSTED = 0x99, /* Trusted state */
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HAB_STATE_SECURE = 0xaa, /* Secure state */
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HAB_STATE_FAIL_SOFT = 0xcc, /* Soft fail state */
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HAB_STATE_FAIL_HARD = 0xff, /* Hard fail state (terminal) */
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HAB_STATE_NONE = 0xf0, /* No security state machine */
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HAB_STATE_MAX
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};
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enum hab_reason {
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HAB_RSN_ANY = 0x00, /* Match any reason */
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HAB_ENG_FAIL = 0x30, /* Engine failure */
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HAB_INV_ADDRESS = 0x22, /* Invalid address: access denied */
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HAB_INV_ASSERTION = 0x0c, /* Invalid assertion */
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HAB_INV_CALL = 0x28, /* Function called out of sequence */
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HAB_INV_CERTIFICATE = 0x21, /* Invalid certificate */
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HAB_INV_COMMAND = 0x06, /* Invalid command: command malformed */
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HAB_INV_CSF = 0x11, /* Invalid csf */
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HAB_INV_DCD = 0x27, /* Invalid dcd */
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HAB_INV_INDEX = 0x0f, /* Invalid index: access denied */
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HAB_INV_IVT = 0x05, /* Invalid ivt */
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HAB_INV_KEY = 0x1d, /* Invalid key */
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HAB_INV_RETURN = 0x1e, /* Failed callback function */
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HAB_INV_SIGNATURE = 0x18, /* Invalid signature */
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HAB_INV_SIZE = 0x17, /* Invalid data size */
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HAB_MEM_FAIL = 0x2e, /* Memory failure */
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HAB_OVR_COUNT = 0x2b, /* Expired poll count */
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HAB_OVR_STORAGE = 0x2d, /* Exhausted storage region */
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HAB_UNS_ALGORITHM = 0x12, /* Unsupported algorithm */
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HAB_UNS_COMMAND = 0x03, /* Unsupported command */
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HAB_UNS_ENGINE = 0x0a, /* Unsupported engine */
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HAB_UNS_ITEM = 0x24, /* Unsupported configuration item */
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HAB_UNS_KEY = 0x1b, /* Unsupported key type/parameters */
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HAB_UNS_PROTOCOL = 0x14, /* Unsupported protocol */
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HAB_UNS_STATE = 0x09, /* Unsuitable state */
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HAB_RSN_MAX
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};
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enum hab_context {
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HAB_CTX_ANY = 0x00, /* Match any context */
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HAB_CTX_FAB = 0xff, /* Event logged in hab_fab_test() */
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HAB_CTX_ENTRY = 0xe1, /* Event logged in hab_rvt.entry() */
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HAB_CTX_TARGET = 0x33, /* Event logged in hab_rvt.check_target() */
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HAB_CTX_AUTHENTICATE = 0x0a,/* Logged in hab_rvt.authenticate_image() */
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HAB_CTX_DCD = 0xdd, /* Event logged in hab_rvt.run_dcd() */
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HAB_CTX_CSF = 0xcf, /* Event logged in hab_rvt.run_csf() */
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HAB_CTX_COMMAND = 0xc0, /* Event logged executing csf/dcd command */
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HAB_CTX_AUT_DAT = 0xdb, /* Authenticated data block */
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HAB_CTX_ASSERT = 0xa0, /* Event logged in hab_rvt.assert() */
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HAB_CTX_EXIT = 0xee, /* Event logged in hab_rvt.exit() */
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HAB_CTX_MAX
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};
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/*Function prototype description*/
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typedef enum hab_status hab_rvt_report_event_t(enum hab_status, uint32_t,
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uint8_t* , size_t*);
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@ -53,6 +97,22 @@ typedef void *hab_rvt_authenticate_image_t(uint8_t, ptrdiff_t,
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void **, size_t *, hab_loader_callback_f_t);
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typedef void hapi_clock_init_t(void);
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#define HAB_ENG_ANY 0x00 /* Select first compatible engine */
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#define HAB_ENG_SCC 0x03 /* Security controller */
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#define HAB_ENG_RTIC 0x05 /* Run-time integrity checker */
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#define HAB_ENG_SAHARA 0x06 /* Crypto accelerator */
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#define HAB_ENG_CSU 0x0a /* Central Security Unit */
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#define HAB_ENG_SRTC 0x0c /* Secure clock */
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#define HAB_ENG_DCP 0x1b /* Data Co-Processor */
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#define HAB_ENG_CAAM 0x1d /* CAAM */
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#define HAB_ENG_SNVS 0x1e /* Secure Non-Volatile Storage */
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#define HAB_ENG_OCOTP 0x21 /* Fuse controller */
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#define HAB_ENG_DTCP 0x22 /* DTCP co-processor */
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#define HAB_ENG_ROM 0x36 /* Protected ROM area */
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#define HAB_ENG_HDCP 0x24 /* HDCP co-processor */
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#define HAB_ENG_RTL 0x77 /* RTL simulation engine */
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#define HAB_ENG_SW 0xff /* Software engine */
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#ifdef CONFIG_MX6SX
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#define HAB_RVT_BASE 0x00000100
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#else
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@ -73,6 +133,7 @@ typedef void hapi_clock_init_t(void);
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#define HAB_CID_ROM 0 /**< ROM Caller ID */
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#define HAB_CID_UBOOT 1 /**< UBOOT Caller ID*/
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/* ----------- end of HAB API updates ------------*/
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#endif
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