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- /* SPDX-License-Identifier: BSD-3-Clause */
- /*
- * This is from the ARM TF Project,
- * Repository: https://github.com/ARM-software/arm-trusted-firmware.git
- * File: include/common/bl_common.h
- * Portions copyright (c) 2013-2016, ARM Limited and Contributors. All rights
- * reserved.
- * Copyright (C) 2016-2017 Rockchip Electronic Co.,Ltd
- */
- #ifndef __BL_COMMON_H__
- #define __BL_COMMON_H__
- #define ATF_PARAM_EP 0x01
- #define ATF_PARAM_IMAGE_BINARY 0x02
- #define ATF_PARAM_BL31 0x03
- #define ATF_VERSION_1 0x01
- #define ATF_EP_SECURE 0x0
- #define ATF_EP_NON_SECURE 0x1
- #define SET_PARAM_HEAD(_p, _type, _ver, _attr) do { \
- (_p)->h.type = (uint8_t)(_type); \
- (_p)->h.version = (uint8_t)(_ver); \
- (_p)->h.size = (uint16_t)sizeof(*_p); \
- (_p)->h.attr = (uint32_t)(_attr) ; \
- } while (0)
- #define MODE_RW_SHIFT 0x4
- #define MODE_RW_MASK 0x1
- #define MODE_RW_64 0x0
- #define MODE_RW_32 0x1
- #define MODE_EL_SHIFT 0x2
- #define MODE_EL_MASK 0x3
- #define MODE_EL3 0x3
- #define MODE_EL2 0x2
- #define MODE_EL1 0x1
- #define MODE_EL0 0x0
- #define MODE_SP_SHIFT 0x0
- #define MODE_SP_MASK 0x1
- #define MODE_SP_EL0 0x0
- #define MODE_SP_ELX 0x1
- #define SPSR_DAIF_SHIFT 6
- #define SPSR_DAIF_MASK 0x0f
- #define SPSR_64(el, sp, daif) \
- (MODE_RW_64 << MODE_RW_SHIFT | \
- ((el) & MODE_EL_MASK) << MODE_EL_SHIFT | \
- ((sp) & MODE_SP_MASK) << MODE_SP_SHIFT | \
- ((daif) & SPSR_DAIF_MASK) << SPSR_DAIF_SHIFT)
- #define SPSR_FIQ (1 << 6)
- #define SPSR_IRQ (1 << 7)
- #define SPSR_SERROR (1 << 8)
- #define SPSR_DEBUG (1 << 9)
- #define SPSR_EXCEPTION_MASK (SPSR_FIQ | SPSR_IRQ | SPSR_SERROR | SPSR_DEBUG)
- #define DAIF_FIQ_BIT (1<<0)
- #define DAIF_IRQ_BIT (1<<1)
- #define DAIF_ABT_BIT (1<<2)
- #define DAIF_DBG_BIT (1<<3)
- #define DISABLE_ALL_EXECPTIONS \
- (DAIF_FIQ_BIT | DAIF_IRQ_BIT | DAIF_ABT_BIT | DAIF_DBG_BIT)
- #ifndef __ASSEMBLY__
- /*******************************************************************************
- * Structure used for telling the next BL how much of a particular type of
- * memory is available for its use and how much is already used.
- ******************************************************************************/
- struct aapcs64_params {
- unsigned long arg0;
- unsigned long arg1;
- unsigned long arg2;
- unsigned long arg3;
- unsigned long arg4;
- unsigned long arg5;
- unsigned long arg6;
- unsigned long arg7;
- };
- /***************************************************************************
- * This structure provides version information and the size of the
- * structure, attributes for the structure it represents
- ***************************************************************************/
- struct param_header {
- uint8_t type; /* type of the structure */
- uint8_t version; /* version of this structure */
- uint16_t size; /* size of this structure in bytes */
- uint32_t attr; /* attributes: unused bits SBZ */
- };
- /*****************************************************************************
- * This structure represents the superset of information needed while
- * switching exception levels. The only two mechanisms to do so are
- * ERET & SMC. Security state is indicated using bit zero of header
- * attribute
- * NOTE: BL1 expects entrypoint followed by spsr at an offset from the start
- * of this structure defined by the macro `ENTRY_POINT_INFO_PC_OFFSET` while
- * processing SMC to jump to BL31.
- *****************************************************************************/
- struct entry_point_info {
- struct param_header h;
- uintptr_t pc;
- uint32_t spsr;
- struct aapcs64_params args;
- };
- /*****************************************************************************
- * Image info binary provides information from the image loader that
- * can be used by the firmware to manage available trusted RAM.
- * More advanced firmware image formats can provide additional
- * information that enables optimization or greater flexibility in the
- * common firmware code
- *****************************************************************************/
- struct atf_image_info {
- struct param_header h;
- uintptr_t image_base; /* physical address of base of image */
- uint32_t image_size; /* bytes read from image file */
- };
- /*****************************************************************************
- * The image descriptor struct definition.
- *****************************************************************************/
- struct image_desc {
- /* Contains unique image id for the image. */
- unsigned int image_id;
- /*
- * This member contains Image state information.
- * Refer IMAGE_STATE_XXX defined above.
- */
- unsigned int state;
- uint32_t copied_size; /* image size copied in blocks */
- struct atf_image_info atf_image_info;
- struct entry_point_info ep_info;
- };
- /*******************************************************************************
- * This structure represents the superset of information that can be passed to
- * BL31 e.g. while passing control to it from BL2. The BL32 parameters will be
- * populated only if BL2 detects its presence. A pointer to a structure of this
- * type should be passed in X0 to BL31's cold boot entrypoint.
- *
- * Use of this structure and the X0 parameter is not mandatory: the BL31
- * platform code can use other mechanisms to provide the necessary information
- * about BL32 and BL33 to the common and SPD code.
- *
- * BL31 image information is mandatory if this structure is used. If either of
- * the optional BL32 and BL33 image information is not provided, this is
- * indicated by the respective image_info pointers being zero.
- ******************************************************************************/
- struct bl31_params {
- struct param_header h;
- struct atf_image_info *bl31_image_info;
- struct entry_point_info *bl32_ep_info;
- struct atf_image_info *bl32_image_info;
- struct entry_point_info *bl33_ep_info;
- struct atf_image_info *bl33_image_info;
- };
- /*******************************************************************************
- * This structure represents the superset of information that is passed to
- * BL31, e.g. while passing control to it from BL2, bl31_params
- * and other platform specific params
- ******************************************************************************/
- struct bl2_to_bl31_params_mem {
- struct bl31_params bl31_params;
- struct atf_image_info bl31_image_info;
- struct atf_image_info bl32_image_info;
- struct atf_image_info bl33_image_info;
- struct entry_point_info bl33_ep_info;
- struct entry_point_info bl32_ep_info;
- struct entry_point_info bl31_ep_info;
- };
- #endif /*__ASSEMBLY__*/
- #endif /* __BL_COMMON_H__ */
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