311 lines
13 KiB
C
311 lines
13 KiB
C
/*
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* Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef PLATFORM_H
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#define PLATFORM_H
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#include <stdint.h>
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#include <lib/psci/psci.h>
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/*******************************************************************************
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* Forward declarations
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******************************************************************************/
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struct auth_img_desc_s;
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struct meminfo;
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struct image_info;
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struct entry_point_info;
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struct image_desc;
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struct bl_load_info;
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struct bl_params;
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struct mmap_region;
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struct secure_partition_boot_info;
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struct sp_res_desc;
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/*******************************************************************************
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* plat_get_rotpk_info() flags
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******************************************************************************/
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#define ROTPK_IS_HASH (1 << 0)
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/* Flag used to skip verification of the certificate ROTPK while the platform
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ROTPK is not deployed */
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#define ROTPK_NOT_DEPLOYED (1 << 1)
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/*******************************************************************************
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* Function declarations
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******************************************************************************/
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/*******************************************************************************
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* Mandatory common functions
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******************************************************************************/
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unsigned int plat_get_syscnt_freq2(void);
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int plat_get_image_source(unsigned int image_id,
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uintptr_t *dev_handle,
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uintptr_t *image_spec);
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uintptr_t plat_get_ns_image_entrypoint(void);
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unsigned int plat_my_core_pos(void);
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int plat_core_pos_by_mpidr(u_register_t mpidr);
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int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size);
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#if STACK_PROTECTOR_ENABLED
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/*
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* Return a new value to be used for the stack protection's canary.
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*
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* Ideally, this value is a random number that is impossible to predict by an
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* attacker.
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*/
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u_register_t plat_get_stack_protector_canary(void);
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#endif /* STACK_PROTECTOR_ENABLED */
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/*******************************************************************************
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* Mandatory interrupt management functions
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******************************************************************************/
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uint32_t plat_ic_get_pending_interrupt_id(void);
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uint32_t plat_ic_get_pending_interrupt_type(void);
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uint32_t plat_ic_acknowledge_interrupt(void);
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uint32_t plat_ic_get_interrupt_type(uint32_t id);
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void plat_ic_end_of_interrupt(uint32_t id);
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uint32_t plat_interrupt_type_to_line(uint32_t type,
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uint32_t security_state);
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/*******************************************************************************
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* Optional interrupt management functions, depending on chosen EL3 components.
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******************************************************************************/
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unsigned int plat_ic_get_running_priority(void);
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int plat_ic_is_spi(unsigned int id);
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int plat_ic_is_ppi(unsigned int id);
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int plat_ic_is_sgi(unsigned int id);
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unsigned int plat_ic_get_interrupt_active(unsigned int id);
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void plat_ic_disable_interrupt(unsigned int id);
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void plat_ic_enable_interrupt(unsigned int id);
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int plat_ic_has_interrupt_type(unsigned int type);
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void plat_ic_set_interrupt_type(unsigned int id, unsigned int type);
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void plat_ic_set_interrupt_priority(unsigned int id, unsigned int priority);
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void plat_ic_raise_el3_sgi(int sgi_num, u_register_t target);
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void plat_ic_set_spi_routing(unsigned int id, unsigned int routing_mode,
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u_register_t mpidr);
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void plat_ic_set_interrupt_pending(unsigned int id);
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void plat_ic_clear_interrupt_pending(unsigned int id);
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unsigned int plat_ic_set_priority_mask(unsigned int mask);
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unsigned int plat_ic_get_interrupt_id(unsigned int raw);
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/*******************************************************************************
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* Optional common functions (may be overridden)
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******************************************************************************/
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uintptr_t plat_get_my_stack(void);
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void plat_report_exception(unsigned int exception_type);
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#if AARCH32_EXCEPTION_DEBUG
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void plat_report_undef_inst(unsigned int fault_address);
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void plat_report_prefetch_abort(unsigned int fault_address);
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void plat_report_data_abort(unsigned int fault_address);
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#endif
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int plat_crash_console_init(void);
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int plat_crash_console_putc(int c);
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int plat_crash_console_flush(void);
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void plat_error_handler(int err) __dead2;
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void plat_panic_handler(void) __dead2;
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const char *plat_log_get_prefix(unsigned int log_level);
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void bl2_plat_preload_setup(void);
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int plat_try_next_boot_source(unsigned int image_id);
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/*******************************************************************************
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* Mandatory BL1 functions
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******************************************************************************/
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void bl1_early_platform_setup(void);
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void bl1_plat_arch_setup(void);
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void bl1_platform_setup(void);
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struct meminfo *bl1_plat_sec_mem_layout(void);
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/*******************************************************************************
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* Optional EL3 component functions in BL31
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******************************************************************************/
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/* SDEI platform functions */
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#if SDEI_SUPPORT
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int plat_sdei_validate_entry_point(uintptr_t ep, unsigned int client_mode);
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void plat_sdei_handle_masked_trigger(uint64_t mpidr, unsigned int intr);
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#endif
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void plat_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie,
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void *handle, uint64_t flags);
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/*
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* The following function is mandatory when the
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* firmware update feature is used.
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*/
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int bl1_plat_mem_check(uintptr_t mem_base, unsigned int mem_size,
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unsigned int flags);
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/*******************************************************************************
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* Optional BL1 functions (may be overridden)
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******************************************************************************/
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/*
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* The following functions are used for image loading process in BL1.
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*/
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void bl1_plat_set_ep_info(unsigned int image_id,
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struct entry_point_info *ep_info);
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/*
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* The following functions are mandatory when firmware update
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* feature is used and optional otherwise.
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*/
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unsigned int bl1_plat_get_next_image_id(void);
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struct image_desc *bl1_plat_get_image_desc(unsigned int image_id);
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/*
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* The following functions are used by firmware update
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* feature and may optionally be overridden.
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*/
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__dead2 void bl1_plat_fwu_done(void *client_cookie, void *reserved);
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/*
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* This BL1 function can be used by the platforms to update/use image
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* information for a given `image_id`.
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*/
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int bl1_plat_handle_pre_image_load(unsigned int image_id);
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int bl1_plat_handle_post_image_load(unsigned int image_id);
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/*******************************************************************************
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* Mandatory BL2 functions
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******************************************************************************/
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void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3);
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void bl2_plat_arch_setup(void);
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void bl2_platform_setup(void);
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struct meminfo *bl2_plat_sec_mem_layout(void);
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/*
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* This function can be used by the platforms to update/use image
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* information for given `image_id`.
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*/
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int bl2_plat_handle_pre_image_load(unsigned int image_id);
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int bl2_plat_handle_post_image_load(unsigned int image_id);
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/*******************************************************************************
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* Optional BL2 functions (may be overridden)
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******************************************************************************/
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/*******************************************************************************
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* Mandatory BL2 at EL3 functions: Must be implemented if BL2_AT_EL3 image is
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* supported
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******************************************************************************/
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void bl2_el3_early_platform_setup(u_register_t arg0, u_register_t arg1,
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u_register_t arg2, u_register_t arg3);
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void bl2_el3_plat_arch_setup(void);
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/*******************************************************************************
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* Optional BL2 at EL3 functions (may be overridden)
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******************************************************************************/
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void bl2_el3_plat_prepare_exit(void);
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/*******************************************************************************
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* Mandatory BL2U functions.
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******************************************************************************/
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void bl2u_early_platform_setup(struct meminfo *mem_layout,
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void *plat_info);
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void bl2u_plat_arch_setup(void);
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void bl2u_platform_setup(void);
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/*******************************************************************************
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* Conditionally mandatory BL2U functions for CSS platforms.
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******************************************************************************/
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/*
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* This function is used to perform any platform-specific actions required to
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* handle the BL2U_SCP firmware.
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*/
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int bl2u_plat_handle_scp_bl2u(void);
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/*******************************************************************************
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* Mandatory BL31 functions
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******************************************************************************/
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void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
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u_register_t arg2, u_register_t arg3);
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void bl31_plat_arch_setup(void);
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void bl31_platform_setup(void);
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void bl31_plat_runtime_setup(void);
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struct entry_point_info *bl31_plat_get_next_image_ep_info(uint32_t type);
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/*******************************************************************************
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* Mandatory PSCI functions (BL31)
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******************************************************************************/
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int plat_setup_psci_ops(uintptr_t sec_entrypoint,
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const struct plat_psci_ops **psci_ops);
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const unsigned char *plat_get_power_domain_tree_desc(void);
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/*******************************************************************************
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* Optional PSCI functions (BL31).
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******************************************************************************/
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void plat_psci_stat_accounting_start(const psci_power_state_t *state_info);
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void plat_psci_stat_accounting_stop(const psci_power_state_t *state_info);
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u_register_t plat_psci_stat_get_residency(unsigned int lvl,
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const psci_power_state_t *state_info,
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int last_cpu_idx);
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plat_local_state_t plat_get_target_pwr_state(unsigned int lvl,
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const plat_local_state_t *states,
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unsigned int ncpu);
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/*******************************************************************************
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* Optional BL31 functions (may be overridden)
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******************************************************************************/
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void bl31_plat_enable_mmu(uint32_t flags);
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/*******************************************************************************
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* Optional BL32 functions (may be overridden)
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******************************************************************************/
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void bl32_plat_enable_mmu(uint32_t flags);
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/*******************************************************************************
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* Trusted Board Boot functions
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******************************************************************************/
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int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
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unsigned int *flags);
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int plat_get_nv_ctr(void *cookie, unsigned int *nv_ctr);
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int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr);
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int plat_set_nv_ctr2(void *cookie, const struct auth_img_desc_s *img_desc,
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unsigned int nv_ctr);
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int get_mbedtls_heap_helper(void **heap_addr, size_t *heap_size);
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/*******************************************************************************
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* Secure Partitions functions
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******************************************************************************/
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const struct mmap_region *plat_get_secure_partition_mmap(void *cookie);
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const struct secure_partition_boot_info *plat_get_secure_partition_boot_info(
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void *cookie);
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int plat_spm_sp_rd_load(struct sp_res_desc *rd, const void *ptr, size_t size);
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int plat_spm_sp_get_next_address(void **sp_base, size_t *sp_size,
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void **rd_base, size_t *rd_size);
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/*******************************************************************************
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* Mandatory BL image load functions(may be overridden).
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******************************************************************************/
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/*
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* This function returns pointer to the list of images that the
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* platform has populated to load.
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*/
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struct bl_load_info *plat_get_bl_image_load_info(void);
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/*
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* This function returns a pointer to the shared memory that the
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* platform has kept aside to pass trusted firmware related
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* information that next BL image could need.
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*/
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struct bl_params *plat_get_next_bl_params(void);
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/*
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* This function flushes to main memory all the params that are
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* passed to next image.
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*/
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void plat_flush_next_bl_params(void);
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/*
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* The below function enable Trusted Firmware components like SPDs which
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* haven't migrated to the new platform API to compile on platforms which
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* have the compatibility layer disabled.
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*/
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unsigned int platform_core_pos_helper(unsigned long mpidr);
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#endif /* PLATFORM_H */
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