/* * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef PLATFORM_H #define PLATFORM_H #include #include /******************************************************************************* * Forward declarations ******************************************************************************/ struct auth_img_desc_s; struct meminfo; struct image_info; struct entry_point_info; struct image_desc; struct bl_load_info; struct bl_params; struct mmap_region; struct secure_partition_boot_info; struct sp_res_desc; /******************************************************************************* * plat_get_rotpk_info() flags ******************************************************************************/ #define ROTPK_IS_HASH (1 << 0) /* Flag used to skip verification of the certificate ROTPK while the platform ROTPK is not deployed */ #define ROTPK_NOT_DEPLOYED (1 << 1) /******************************************************************************* * Function declarations ******************************************************************************/ /******************************************************************************* * Mandatory common functions ******************************************************************************/ unsigned int plat_get_syscnt_freq2(void); int plat_get_image_source(unsigned int image_id, uintptr_t *dev_handle, uintptr_t *image_spec); uintptr_t plat_get_ns_image_entrypoint(void); unsigned int plat_my_core_pos(void); int plat_core_pos_by_mpidr(u_register_t mpidr); #if STACK_PROTECTOR_ENABLED /* * Return a new value to be used for the stack protection's canary. * * Ideally, this value is a random number that is impossible to predict by an * attacker. */ u_register_t plat_get_stack_protector_canary(void); #endif /* STACK_PROTECTOR_ENABLED */ /******************************************************************************* * Mandatory interrupt management functions ******************************************************************************/ uint32_t plat_ic_get_pending_interrupt_id(void); uint32_t plat_ic_get_pending_interrupt_type(void); uint32_t plat_ic_acknowledge_interrupt(void); uint32_t plat_ic_get_interrupt_type(uint32_t id); void plat_ic_end_of_interrupt(uint32_t id); uint32_t plat_interrupt_type_to_line(uint32_t type, uint32_t security_state); /******************************************************************************* * Optional interrupt management functions, depending on chosen EL3 components. ******************************************************************************/ unsigned int plat_ic_get_running_priority(void); int plat_ic_is_spi(unsigned int id); int plat_ic_is_ppi(unsigned int id); int plat_ic_is_sgi(unsigned int id); unsigned int plat_ic_get_interrupt_active(unsigned int id); void plat_ic_disable_interrupt(unsigned int id); void plat_ic_enable_interrupt(unsigned int id); int plat_ic_has_interrupt_type(unsigned int type); void plat_ic_set_interrupt_type(unsigned int id, unsigned int type); void plat_ic_set_interrupt_priority(unsigned int id, unsigned int priority); void plat_ic_raise_el3_sgi(int sgi_num, u_register_t target); void plat_ic_set_spi_routing(unsigned int id, unsigned int routing_mode, u_register_t mpidr); void plat_ic_set_interrupt_pending(unsigned int id); void plat_ic_clear_interrupt_pending(unsigned int id); unsigned int plat_ic_set_priority_mask(unsigned int mask); unsigned int plat_ic_get_interrupt_id(unsigned int raw); /******************************************************************************* * Optional common functions (may be overridden) ******************************************************************************/ uintptr_t plat_get_my_stack(void); void plat_report_exception(unsigned int exception_type); int plat_crash_console_init(void); int plat_crash_console_putc(int c); int plat_crash_console_flush(void); void plat_error_handler(int err) __dead2; void plat_panic_handler(void) __dead2; const char *plat_log_get_prefix(unsigned int log_level); void bl2_plat_preload_setup(void); int plat_try_next_boot_source(void); int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size); /******************************************************************************* * Mandatory BL1 functions ******************************************************************************/ void bl1_early_platform_setup(void); void bl1_plat_arch_setup(void); void bl1_platform_setup(void); struct meminfo *bl1_plat_sec_mem_layout(void); /******************************************************************************* * Optional EL3 component functions in BL31 ******************************************************************************/ /* SDEI platform functions */ #if SDEI_SUPPORT int plat_sdei_validate_entry_point(uintptr_t ep, unsigned int client_mode); void plat_sdei_handle_masked_trigger(uint64_t mpidr, unsigned int intr); #endif void plat_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie, void *handle, uint64_t flags); /* * The following function is mandatory when the * firmware update feature is used. */ int bl1_plat_mem_check(uintptr_t mem_base, unsigned int mem_size, unsigned int flags); /******************************************************************************* * Optional BL1 functions (may be overridden) ******************************************************************************/ /* * The following functions are used for image loading process in BL1. */ void bl1_plat_set_ep_info(unsigned int image_id, struct entry_point_info *ep_info); /* * The following functions are mandatory when firmware update * feature is used and optional otherwise. */ unsigned int bl1_plat_get_next_image_id(void); struct image_desc *bl1_plat_get_image_desc(unsigned int image_id); /* * The following functions are used by firmware update * feature and may optionally be overridden. */ __dead2 void bl1_plat_fwu_done(void *client_cookie, void *reserved); /* * This BL1 function can be used by the platforms to update/use image * information for a given `image_id`. */ int bl1_plat_handle_pre_image_load(unsigned int image_id); int bl1_plat_handle_post_image_load(unsigned int image_id); /******************************************************************************* * Mandatory BL2 functions ******************************************************************************/ void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3); void bl2_plat_arch_setup(void); void bl2_platform_setup(void); struct meminfo *bl2_plat_sec_mem_layout(void); /* * This function can be used by the platforms to update/use image * information for given `image_id`. */ int bl2_plat_handle_pre_image_load(unsigned int image_id); int bl2_plat_handle_post_image_load(unsigned int image_id); /******************************************************************************* * Optional BL2 functions (may be overridden) ******************************************************************************/ /******************************************************************************* * Mandatory BL2 at EL3 functions: Must be implemented if BL2_AT_EL3 image is * supported ******************************************************************************/ void bl2_el3_early_platform_setup(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3); void bl2_el3_plat_arch_setup(void); /******************************************************************************* * Optional BL2 at EL3 functions (may be overridden) ******************************************************************************/ void bl2_el3_plat_prepare_exit(void); /******************************************************************************* * Mandatory BL2U functions. ******************************************************************************/ void bl2u_early_platform_setup(struct meminfo *mem_layout, void *plat_info); void bl2u_plat_arch_setup(void); void bl2u_platform_setup(void); /******************************************************************************* * Conditionally mandatory BL2U functions for CSS platforms. ******************************************************************************/ /* * This function is used to perform any platform-specific actions required to * handle the BL2U_SCP firmware. */ int bl2u_plat_handle_scp_bl2u(void); /******************************************************************************* * Mandatory BL31 functions ******************************************************************************/ void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3); void bl31_plat_arch_setup(void); void bl31_platform_setup(void); void bl31_plat_runtime_setup(void); struct entry_point_info *bl31_plat_get_next_image_ep_info(uint32_t type); /******************************************************************************* * Mandatory PSCI functions (BL31) ******************************************************************************/ int plat_setup_psci_ops(uintptr_t sec_entrypoint, const struct plat_psci_ops **psci_ops); const unsigned char *plat_get_power_domain_tree_desc(void); /******************************************************************************* * Optional PSCI functions (BL31). ******************************************************************************/ void plat_psci_stat_accounting_start(const psci_power_state_t *state_info); void plat_psci_stat_accounting_stop(const psci_power_state_t *state_info); u_register_t plat_psci_stat_get_residency(unsigned int lvl, const psci_power_state_t *state_info, int last_cpu_idx); plat_local_state_t plat_get_target_pwr_state(unsigned int lvl, const plat_local_state_t *states, unsigned int ncpu); /******************************************************************************* * Optional BL31 functions (may be overridden) ******************************************************************************/ void bl31_plat_enable_mmu(uint32_t flags); /******************************************************************************* * Optional BL32 functions (may be overridden) ******************************************************************************/ void bl32_plat_enable_mmu(uint32_t flags); /******************************************************************************* * Trusted Board Boot functions ******************************************************************************/ int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len, unsigned int *flags); int plat_get_nv_ctr(void *cookie, unsigned int *nv_ctr); int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr); int plat_set_nv_ctr2(void *cookie, const struct auth_img_desc_s *img_desc, unsigned int nv_ctr); /******************************************************************************* * Secure Partitions functions ******************************************************************************/ const struct mmap_region *plat_get_secure_partition_mmap(void *cookie); const struct secure_partition_boot_info *plat_get_secure_partition_boot_info( void *cookie); int plat_spm_sp_rd_load(struct sp_res_desc *rd, const void *ptr, size_t size); /******************************************************************************* * Mandatory BL image load functions(may be overridden). ******************************************************************************/ /* * This function returns pointer to the list of images that the * platform has populated to load. */ struct bl_load_info *plat_get_bl_image_load_info(void); /* * This function returns a pointer to the shared memory that the * platform has kept aside to pass trusted firmware related * information that next BL image could need. */ struct bl_params *plat_get_next_bl_params(void); /* * This function flushes to main memory all the params that are * passed to next image. */ void plat_flush_next_bl_params(void); /* * The below function enable Trusted Firmware components like SPDs which * haven't migrated to the new platform API to compile on platforms which * have the compatibility layer disabled. */ unsigned int platform_core_pos_helper(unsigned long mpidr); #endif /* PLATFORM_H */