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/*
* Copyright (c) 2013-2015 TRUSTONIC LIMITED
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the TRUSTONIC LIMITED nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MCLOADFORMAT_H_
#define MCLOADFORMAT_H_
#include "mcUuid.h"
#include "mcSuid.h"
#include "mcDriverId.h"
#define MCLF_VERSION_MAJOR 2
#define MCLF_VERSION_MINOR 5
#define MCLF_VERSION_MINOR_CURRENT 3
#define MC_SERVICE_HEADER_MAGIC_BE ((uint32_t)('M'|('C'<<8)|('L'<<16)|('F'<<24))) /**< "MCLF" in big endian integer representation */
#define MC_SERVICE_HEADER_MAGIC_LE ((uint32_t)(('M'<<24)|('C'<<16)|('L'<<8)|'F')) /**< "MCLF" in little endian integer representation */
#define MC_SERVICE_HEADER_MAGIC_STR "MCLF" /**< "MCLF" as string */
/** @name MCLF flags */
#define MC_SERVICE_HEADER_FLAGS_PERMANENT (1U << 0) /**< Loaded service cannot be unloaded from MobiCore. */
#define MC_SERVICE_HEADER_FLAGS_NO_CONTROL_INTERFACE (1U << 1) /**< Service has no WSM control interface. */
#define MC_SERVICE_HEADER_FLAGS_DEBUGGABLE (1U << 2) /**< Service can be debugged. */
#define MC_SERVICE_HEADER_FLAGS_EXTENDED_LAYOUT (1U << 3) /**< New-layout trusted application or trusted driver. */
/** Service type.
* The service type defines the type of executable.
*/
typedef enum {
SERVICE_TYPE_ILLEGAL = 0, /**< Service type is invalid. */
SERVICE_TYPE_DRIVER = 1, /**< Service is a driver. */
SERVICE_TYPE_SP_TRUSTLET = 2, /**< Service is a Trustlet. */
SERVICE_TYPE_SYSTEM_TRUSTLET = 3, /**< Service is a system Trustlet. */
SERVICE_TYPE_MIDDLEWARE = 4, /**< Service is a middleware. */
SERVICE_TYPE_LAST_ENTRY = 5, /**< marker for last entry */
} serviceType_t;
/**
* Memory types.
*/
typedef enum {
MCLF_MEM_TYPE_INTERNAL_PREFERRED = 0, /**< If available use internal memory; otherwise external memory. */
MCLF_MEM_TYPE_INTERNAL = 1, /**< Internal memory must be used for executing the service. */
MCLF_MEM_TYPE_EXTERNAL = 2, /**< External memory must be used for executing the service. */
} memType_t;
/**
* Descriptor for a memory segment.
*/
typedef struct {
uint32_t start; /**< Virtual start address. */
uint32_t len; /**< Length of the segment in bytes. */
} segmentDescriptor_t, *segmentDescriptor_ptr;
/**
* MCLF intro for data structure identification.
* Must be the first element of a valid MCLF file.
*/
typedef struct {
uint32_t magic; /**< Header magic value ASCII "MCLF". */
uint32_t version; /**< Version of the MCLF header structure. */
} mclfIntro_t, *mclfIntro_ptr;
// Version 2 /////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* @defgroup MCLF_VER_V2 MCLF Version 32
* @ingroup MCLF_VER
*
* @addtogroup MCLF_VER_V2
*/
/**
* Version 2.1/2.2 MCLF header.
*/
typedef struct {
mclfIntro_t intro; /**< MCLF header start with the mandatory intro. */
uint32_t flags; /**< Service flags. */
memType_t memType; /**< Type of memory the service must be executed from. */
serviceType_t serviceType; /**< Type of service. */
uint32_t numInstances; /**< Number of instances which can be run simultaneously. */
mcUuid_t uuid; /**< Loadable service unique identifier (UUID). */
mcDriverId_t driverId; /**< If the serviceType is SERVICE_TYPE_DRIVER the Driver ID is used. */
uint32_t numThreads; /**<
* <pre>
* <br>Number of threads (N) in a service depending on service type.<br>
*
* SERVICE_TYPE_SP_TRUSTLET: N = 1
* SERVICE_TYPE_SYSTEM_TRUSTLET: N = 1
* SERVICE_TYPE_DRIVER: N >= 1
* </pre>
*/
segmentDescriptor_t text; /**< Virtual text segment. */
segmentDescriptor_t data; /**< Virtual data segment. */
uint32_t bssLen; /**< Length of the BSS segment in bytes. MUST be at least 8 byte. */
uint32_t entry; /**< Virtual start address of service code. */
uint32_t serviceVersion; /**< Version of the interface the driver exports. */
// These should be put on next MCLF update:
// mcSuid_t permittedSuid; /**< Starting 2.3: If nonzero, suid which is allowed to execute binary */
// uint32_t permittedHwCf; /**< Starting 2.3: If nonzero, hw configuration which is allowed to execute binary */
} mclfHeaderV2_t, *mclfHeaderV2_ptr;
/**
* Version 2.3 MCLF header.
*/
typedef struct {
mclfHeaderV2_t mclfHeaderV2;
mcSuid_t permittedSuid; /**< Starting 2.3: If nonzero, suid which is allowed to execute binary */
uint32_t permittedHwCfg; /**< Starting 2.3: If nonzero, hw configuration which is allowed to execute binary */
} mclfHeaderV23_t, *mclfHeaderV23_ptr;
/**
* Version 2.4 MCLF header.
*/
typedef struct {
mclfHeaderV23_t mclfHeaderV2;
uint32_t gp_level; /**<Starting 2.4: 0 for legacy MobiCore trustlets and 1 for Potato TAs. */
uint32_t attestationOffset; /**<Starting 2.4: Offset of attestation data area. */
} mclfHeaderV24_t, *mclfHeaderV24_ptr;
/*
* HEAP parameters
*/
typedef struct {
uint32_t init;
uint32_t max;
} heapSize_t, *heapSize_ptr;
/*
* McLib Internal Management Data
* This structure defines the parameters of a buffer used internally by McLib for each TA/TDriver
* and it specifies default heap parameters (for MCLF header versions >=2.5)
*
* `mcLibData` field describes McLib work buffer
* and it is used for MCLF header versions <=2.4
* In this case the buffer is a part of TA BSS section
*
* For MCLF header versions >=2.5 `mcLibData` field is not used anymore and
* replaced by `mcLibData` field
* RTM itself determines actual address in this case and sets `mcLibData` field value
*
* `heapSize` field describes default heap parameters and
* it is used only for MCLF header versions >=2.5
*
*/
typedef struct {
union {
segmentDescriptor_t mcLibData; /**< Segment for McLib data.
Set at compile time.
Required always. */
heapSize_t heapSize; /**< Initial and maximum heap sizes.
Set by MobiConvert for extended-layout TAs */
} cfg;
uint32_t mcLibBase; /**< McLib base address.
Mobicore sets at load time for trustlets / drivers.
Required always. */
} mclfIMD_t, *mclfIMD_ptr;
/**
* Version 2 MCLF text segment header.
* Required to be present in MobiCore 1.2 components at address (0x1080).
* This extension is initialized already at trustlet compile time,
* but may be modified later by configuration tools and by MobiCore at load time.
*/
typedef struct {
uint32_t version; /**< Version of the TextHeader structure. */
uint32_t textHeaderLen; /**< Size of this structure (fixed at compile time) */
uint32_t requiredFeat; /**< Flags to indicate features that Mobicore must understand/interprete when loading.
Required always. */
uint32_t mcLibEntry; /**< Address for McLib entry.
Mobicore sets at load time for trustlets / drivers.
Required always. */
mclfIMD_t mcIMD; /**< McLib Internal Management Data */
uint32_t tlApiVers; /**< TlApi version used when building trustlet.
Value set at compile time.
Required always. */
uint32_t drApiVers; /**< DrApi version used when building trustlet.
Value set at compile time for drivers. 0 for trustlets.
Required always. */
uint32_t ta_properties; /**< address of _TA_Properties in the TA. */
} mclfTextHeader_t, *mclfTextHeader_ptr;
// Version 2 ///////////////////////////////////////////////////////////////////////////////////////////////////
/**
* @addtogroup MCLF
*/
/** MCLF header */
typedef union {
mclfIntro_t intro; /**< Intro for data structure identification. */
mclfHeaderV2_t mclfHeaderV2; /**< Version 2 header */
} mclfHeader_t, *mclfHeader_ptr;
// Version 2.3 changes header definition
// Above structure is hard-coded into many places.
// So new changes are made into separate structure.
#define MCLF_HEADER_SIZE_V23 (0x080)
// Actual (known) length can be calculated using macro
#define MCLF_HEADER_SIZE(version) ((version)>0x20002?(MCLF_HEADER_SIZE_V23):sizeof(mclfHeader_t))
// This is only minimum size, so nothing below this makes sense.
#define MCLF_BINARY_MIN_SIZE(version) (MCLF_HEADER_SIZE_V23+sizeof(mclfTextHeader_t))
#endif /* MCLOADFORMAT_H_ */