From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Fri, 10 Jul 2015 10:01:39 +0200 Subject: [U-Boot] [PATCH v2] iMX: adding parsing to hab_status command In-Reply-To: <1435890390-24017-1-git-send-email-Ulises.Cardenas@freescale.com> References: <1435890390-24017-1-git-send-email-Ulises.Cardenas@freescale.com> Message-ID: <559F7BE3.4070809@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Ulises, On 03/07/2015 04:26, Ulises.Cardenas at freescale.com wrote: > From: Ulises Cardenas > > 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 > --- > > Changes in v2: > -Refactored get_<*>_idx functions as recommended by Michael, to a single > generic function to travese the enum. > > arch/arm/cpu/armv7/mx6/hab.c | 173 +++++++++++++++++++++++++++++++++++- > arch/arm/include/asm/arch-mx6/hab.h | 85 +++++++++++++++--- > 2 files changed, 245 insertions(+), 13 deletions(-) > > diff --git a/arch/arm/cpu/armv7/mx6/hab.c b/arch/arm/cpu/armv7/mx6/hab.c > index 8dee595..87f422d 100644 > --- a/arch/arm/cpu/armv7/mx6/hab.c > +++ b/arch/arm/cpu/armv7/mx6/hab.c > @@ -1,5 +1,5 @@ > /* > - * Copyright (C) 2010-2014 Freescale Semiconductor, Inc. > + * Copyright (C) 2010-2015 Freescale Semiconductor, Inc. > * > * SPDX-License-Identifier: GPL-2.0+ > */ > @@ -111,6 +111,153 @@ > * +------------+ + CSF_PAD_SIZE > */ > > +#define MAX_RECORD_BYTES (8*1024) /* 4 kbytes */ > + > +struct record { > + uint8_t tag; /* Tag */ > + uint8_t len[2]; /* Length */ > + uint8_t par; /* Version */ > + uint8_t contents[MAX_RECORD_BYTES];/* Record Data */ > + bool any_rec_flag; > +}; > + > +char *rsn_str[] = {"RSN = HAB_RSN_ANY (0x00)\n", > + "RSN = HAB_ENG_FAIL (0x30)\n", > + "RSN = HAB_INV_ADDRESS (0x22)\n", > + "RSN = HAB_INV_ASSERTION (0x0C)\n", > + "RSN = HAB_INV_CALL (0x28)\n", > + "RSN = HAB_INV_CERTIFICATE (0x21)\n", > + "RSN = HAB_INV_COMMAND (0x06)\n", > + "RSN = HAB_INV_CSF (0x11)\n", > + "RSN = HAB_INV_DCD (0x27)\n", > + "RSN = HAB_INV_INDEX (0x0F)\n", > + "RSN = HAB_INV_IVT (0x05)\n", > + "RSN = HAB_INV_KEY (0x1D)\n", > + "RSN = HAB_INV_RETURN (0x1E)\n", > + "RSN = HAB_INV_SIGNATURE (0x18)\n", > + "RSN = HAB_INV_SIZE (0x17)\n", > + "RSN = HAB_MEM_FAIL (0x2E)\n", > + "RSN = HAB_OVR_COUNT (0x2B)\n", > + "RSN = HAB_OVR_STORAGE (0x2D)\n", > + "RSN = HAB_UNS_ALGORITHM (0x12)\n", > + "RSN = HAB_UNS_COMMAND (0x03)\n", > + "RSN = HAB_UNS_ENGINE (0x0A)\n", > + "RSN = HAB_UNS_ITEM (0x24)\n", > + "RSN = HAB_UNS_KEY (0x1B)\n", > + "RSN = HAB_UNS_PROTOCOL (0x14)\n", > + "RSN = HAB_UNS_STATE (0x09)\n", > + "RSN = INVALID\n", > + NULL}; > + > +char *sts_str[] = {"STS = HAB_SUCCESS (0xF0)\n", > + "STS = HAB_FAILURE (0x33)\n", > + "STS = HAB_WARNING (0x69)\n", > + "STS = INVALID\n", > + NULL}; > + > +char *eng_str[] = {"ENG = HAB_ENG_ANY (0x00)\n", > + "ENG = HAB_ENG_SCC (0x03)\n", > + "ENG = HAB_ENG_RTIC (0x05)\n", > + "ENG = HAB_ENG_SAHARA (0x06)\n", > + "ENG = HAB_ENG_CSU (0x0A)\n", > + "ENG = HAB_ENG_SRTC (0x0C)\n", > + "ENG = HAB_ENG_DCP (0x1B)\n", > + "ENG = HAB_ENG_CAAM (0x1D)\n", > + "ENG = HAB_ENG_SNVS (0x1E)\n", > + "ENG = HAB_ENG_OCOTP (0x21)\n", > + "ENG = HAB_ENG_DTCP (0x22)\n", > + "ENG = HAB_ENG_ROM (0x36)\n", > + "ENG = HAB_ENG_HDCP (0x24)\n", > + "ENG = HAB_ENG_RTL (0x77)\n", > + "ENG = HAB_ENG_SW (0xFF)\n", > + "ENG = INVALID\n", > + NULL}; > + > +char *ctx_str[] = {"CTX = HAB_CTX_ANY(0x00)\n", > + "CTX = HAB_CTX_FAB (0xFF)\n", > + "CTX = HAB_CTX_ENTRY (0xE1)\n", > + "CTX = HAB_CTX_TARGET (0x33)\n", > + "CTX = HAB_CTX_AUTHENTICATE (0x0A)\n", > + "CTX = HAB_CTX_DCD (0xDD)\n", > + "CTX = HAB_CTX_CSF (0xCF)\n", > + "CTX = HAB_CTX_COMMAND (0xC0)\n", > + "CTX = HAB_CTX_AUT_DAT (0xDB)\n", > + "CTX = HAB_CTX_ASSERT (0xA0)\n", > + "CTX = HAB_CTX_EXIT (0xEE)\n", > + "CTX = INVALID\n", > + NULL}; > + > +uint8_t hab_statuses[5] = { > + HAB_STS_ANY, > + HAB_FAILURE, > + HAB_WARNING, > + HAB_SUCCESS, > + -1 > +}; > + > +uint8_t hab_reasons[26] = { > + HAB_RSN_ANY, > + HAB_ENG_FAIL, > + HAB_INV_ADDRESS, > + HAB_INV_ASSERTION, > + HAB_INV_CALL, > + HAB_INV_CERTIFICATE, > + HAB_INV_COMMAND, > + HAB_INV_CSF, > + HAB_INV_DCD, > + HAB_INV_INDEX, > + HAB_INV_IVT, > + HAB_INV_KEY, > + HAB_INV_RETURN, > + HAB_INV_SIGNATURE, > + HAB_INV_SIZE, > + HAB_MEM_FAIL, > + HAB_OVR_COUNT, > + HAB_OVR_STORAGE, > + HAB_UNS_ALGORITHM, > + HAB_UNS_COMMAND, > + HAB_UNS_ENGINE, > + HAB_UNS_ITEM, > + HAB_UNS_KEY, > + HAB_UNS_PROTOCOL, > + HAB_UNS_STATE, > + -1 > +}; > + > +uint8_t hab_contexts[12] = { > + HAB_CTX_ANY, > + HAB_CTX_FAB, > + HAB_CTX_ENTRY, > + HAB_CTX_TARGET, > + HAB_CTX_AUTHENTICATE, > + HAB_CTX_DCD, > + HAB_CTX_CSF, > + HAB_CTX_COMMAND, > + HAB_CTX_AUT_DAT, > + HAB_CTX_ASSERT, > + HAB_CTX_EXIT, > + -1 > +}; > + > +uint8_t hab_engines[16] = { > + HAB_ENG_ANY, > + HAB_ENG_SCC, > + HAB_ENG_RTIC, > + HAB_ENG_SAHARA, > + HAB_ENG_CSU, > + HAB_ENG_SRTC, > + HAB_ENG_DCP, > + HAB_ENG_CAAM, > + HAB_ENG_SNVS, > + HAB_ENG_OCOTP, > + HAB_ENG_DTCP, > + HAB_ENG_ROM, > + HAB_ENG_HDCP, > + HAB_ENG_RTL, > + HAB_ENG_SW, > + -1 > +}; > + > bool is_hab_enabled(void) > { > struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; > @@ -122,6 +269,28 @@ bool is_hab_enabled(void) > return (reg & 0x2) == 0x2; > } > > +static inline uint8_t get_idx(uint8_t *list, uint8_t tgt) > +{ > + uint8_t idx = 0; > + uint8_t element = list[idx]; > + while (element != -1) { > + if (element == tgt) > + return idx; > + element = list[++idx]; > + } > + return -1; > +} > + > +void process_event_record(uint8_t *event_data, size_t bytes) > +{ > + struct record *rec = (struct record *)event_data; > + > + printf("\n\n%s", sts_str[get_idx(hab_statuses, rec->contents[0])]); > + printf("%s", rsn_str[get_idx(hab_reasons, rec->contents[1])]); > + printf("%s", ctx_str[get_idx(hab_contexts, rec->contents[2])]); > + printf("%s", eng_str[get_idx(hab_engines, rec->contents[3])]); > +} > + > void display_event(uint8_t *event_data, size_t bytes) > { > uint32_t i; > @@ -137,6 +306,8 @@ void display_event(uint8_t *event_data, size_t bytes) > else > printf(" 0x%02x", event_data[i]); > } > + > + process_event_record(event_data, bytes); > } > > int get_hab_status(void) > diff --git a/arch/arm/include/asm/arch-mx6/hab.h b/arch/arm/include/asm/arch-mx6/hab.h > index c9e5318..d0eaa67 100644 > --- a/arch/arm/include/asm/arch-mx6/hab.h > +++ b/arch/arm/include/asm/arch-mx6/hab.h > @@ -1,5 +1,5 @@ > /* > - * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved. > + * Copyright (C) 2012-2015 Freescale Semiconductor, Inc. All Rights Reserved. > * > * SPDX-License-Identifier: GPL-2.0+ > * > @@ -23,24 +23,68 @@ enum hab_status { > > /* Security Configuration definitions */ > enum hab_config { > - HAB_CFG_RETURN = 0x33, /**< Field Return IC */ > - HAB_CFG_OPEN = 0xf0, /**< Non-secure IC */ > - HAB_CFG_CLOSED = 0xcc /**< Secure IC */ > + HAB_CFG_RETURN = 0x33, /* < Field Return IC */ > + HAB_CFG_OPEN = 0xf0, /* < Non-secure IC */ > + HAB_CFG_CLOSED = 0xcc /* < Secure IC */ > }; > > /* State definitions */ > enum hab_state { > - HAB_STATE_INITIAL = 0x33, /**< Initialising state (transitory) */ > - HAB_STATE_CHECK = 0x55, /**< Check state (non-secure) */ > - HAB_STATE_NONSECURE = 0x66, /**< Non-secure state */ > - HAB_STATE_TRUSTED = 0x99, /**< Trusted state */ > - HAB_STATE_SECURE = 0xaa, /**< Secure state */ > - HAB_STATE_FAIL_SOFT = 0xcc, /**< Soft fail state */ > - HAB_STATE_FAIL_HARD = 0xff, /**< Hard fail state (terminal) */ > - HAB_STATE_NONE = 0xf0, /**< No security state machine */ > + HAB_STATE_INITIAL = 0x33, /* Initialising state (transitory) */ > + HAB_STATE_CHECK = 0x55, /* Check state (non-secure) */ > + HAB_STATE_NONSECURE = 0x66, /* Non-secure state */ > + HAB_STATE_TRUSTED = 0x99, /* Trusted state */ > + HAB_STATE_SECURE = 0xaa, /* Secure state */ > + HAB_STATE_FAIL_SOFT = 0xcc, /* Soft fail state */ > + HAB_STATE_FAIL_HARD = 0xff, /* Hard fail state (terminal) */ > + HAB_STATE_NONE = 0xf0, /* No security state machine */ > HAB_STATE_MAX > }; > > +enum hab_reason { > + HAB_RSN_ANY = 0x00, /* Match any reason */ > + HAB_ENG_FAIL = 0x30, /* Engine failure */ > + HAB_INV_ADDRESS = 0x22, /* Invalid address: access denied */ > + HAB_INV_ASSERTION = 0x0c, /* Invalid assertion */ > + HAB_INV_CALL = 0x28, /* Function called out of sequence */ > + HAB_INV_CERTIFICATE = 0x21, /* Invalid certificate */ > + HAB_INV_COMMAND = 0x06, /* Invalid command: command malformed */ > + HAB_INV_CSF = 0x11, /* Invalid csf */ > + HAB_INV_DCD = 0x27, /* Invalid dcd */ > + HAB_INV_INDEX = 0x0f, /* Invalid index: access denied */ > + HAB_INV_IVT = 0x05, /* Invalid ivt */ > + HAB_INV_KEY = 0x1d, /* Invalid key */ > + HAB_INV_RETURN = 0x1e, /* Failed callback function */ > + HAB_INV_SIGNATURE = 0x18, /* Invalid signature */ > + HAB_INV_SIZE = 0x17, /* Invalid data size */ > + HAB_MEM_FAIL = 0x2e, /* Memory failure */ > + HAB_OVR_COUNT = 0x2b, /* Expired poll count */ > + HAB_OVR_STORAGE = 0x2d, /* Exhausted storage region */ > + HAB_UNS_ALGORITHM = 0x12, /* Unsupported algorithm */ > + HAB_UNS_COMMAND = 0x03, /* Unsupported command */ > + HAB_UNS_ENGINE = 0x0a, /* Unsupported engine */ > + HAB_UNS_ITEM = 0x24, /* Unsupported configuration item */ > + HAB_UNS_KEY = 0x1b, /* Unsupported key type/parameters */ > + HAB_UNS_PROTOCOL = 0x14, /* Unsupported protocol */ > + HAB_UNS_STATE = 0x09, /* Unsuitable state */ > + HAB_RSN_MAX > +}; > + > +enum hab_context { > + HAB_CTX_ANY = 0x00, /* Match any context */ > + HAB_CTX_FAB = 0xff, /* Event logged in hab_fab_test() */ > + HAB_CTX_ENTRY = 0xe1, /* Event logged in hab_rvt.entry() */ > + HAB_CTX_TARGET = 0x33, /* Event logged in hab_rvt.check_target() */ > + HAB_CTX_AUTHENTICATE = 0x0a,/* Logged in hab_rvt.authenticate_image() */ > + HAB_CTX_DCD = 0xdd, /* Event logged in hab_rvt.run_dcd() */ > + HAB_CTX_CSF = 0xcf, /* Event logged in hab_rvt.run_csf() */ > + HAB_CTX_COMMAND = 0xc0, /* Event logged executing csf/dcd command */ > + HAB_CTX_AUT_DAT = 0xdb, /* Authenticated data block */ > + HAB_CTX_ASSERT = 0xa0, /* Event logged in hab_rvt.assert() */ > + HAB_CTX_EXIT = 0xee, /* Event logged in hab_rvt.exit() */ > + HAB_CTX_MAX > +}; > + > /*Function prototype description*/ > typedef enum hab_status hab_rvt_report_event_t(enum hab_status, uint32_t, > uint8_t* , size_t*); > @@ -53,6 +97,22 @@ typedef void *hab_rvt_authenticate_image_t(uint8_t, ptrdiff_t, > void **, size_t *, hab_loader_callback_f_t); > typedef void hapi_clock_init_t(void); > > +#define HAB_ENG_ANY 0x00 /* Select first compatible engine */ > +#define HAB_ENG_SCC 0x03 /* Security controller */ > +#define HAB_ENG_RTIC 0x05 /* Run-time integrity checker */ > +#define HAB_ENG_SAHARA 0x06 /* Crypto accelerator */ > +#define HAB_ENG_CSU 0x0a /* Central Security Unit */ > +#define HAB_ENG_SRTC 0x0c /* Secure clock */ > +#define HAB_ENG_DCP 0x1b /* Data Co-Processor */ > +#define HAB_ENG_CAAM 0x1d /* CAAM */ > +#define HAB_ENG_SNVS 0x1e /* Secure Non-Volatile Storage */ > +#define HAB_ENG_OCOTP 0x21 /* Fuse controller */ > +#define HAB_ENG_DTCP 0x22 /* DTCP co-processor */ > +#define HAB_ENG_ROM 0x36 /* Protected ROM area */ > +#define HAB_ENG_HDCP 0x24 /* HDCP co-processor */ > +#define HAB_ENG_RTL 0x77 /* RTL simulation engine */ > +#define HAB_ENG_SW 0xff /* Software engine */ > + > #ifdef CONFIG_MX6SX > #define HAB_RVT_BASE 0x00000100 > #else > @@ -73,6 +133,7 @@ typedef void hapi_clock_init_t(void); > > #define HAB_CID_ROM 0 /**< ROM Caller ID */ > #define HAB_CID_UBOOT 1 /**< UBOOT Caller ID*/ > + > /* ----------- end of HAB API updates ------------*/ > > #endif > Applied to u-boot-imx, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================