17509ff7cSJens Wiklander /* SPDX-License-Identifier: BSD-2-Clause */ 27509ff7cSJens Wiklander /* 37509ff7cSJens Wiklander * Copyright (c) 2019, Linaro Limited 47509ff7cSJens Wiklander */ 57509ff7cSJens Wiklander 67509ff7cSJens Wiklander #ifndef __LDELF_H 77509ff7cSJens Wiklander #define __LDELF_H 87509ff7cSJens Wiklander 965137432SJens Wiklander #include <types_ext.h> 107509ff7cSJens Wiklander #include <tee_api_types.h> 117509ff7cSJens Wiklander 127509ff7cSJens Wiklander /* Size of stack for TEE Core to allocate */ 137509ff7cSJens Wiklander #define LDELF_STACK_SIZE (4096 * 2) 147509ff7cSJens Wiklander 157509ff7cSJens Wiklander /* 167509ff7cSJens Wiklander * struct ldelf_arg - argument for ldelf 177509ff7cSJens Wiklander * @uuid: [in] UUID of TA to load 187509ff7cSJens Wiklander * @is_32bit: [out] 1 if a 32bit TA or 0 if a 64bit TA 197509ff7cSJens Wiklander * @flags: [out] Flags field of TA header 207509ff7cSJens Wiklander * @entry_func: [out] TA entry function 217509ff7cSJens Wiklander * @stack_ptr: [out] TA stack pointer 2265137432SJens Wiklander * @dump_entry: [out] Dump TA mappings and stack trace 23*c86f218cSJens Wiklander * @ftrace_entry: [out] Dump TA mappings and ftrace buffer 247509ff7cSJens Wiklander */ 257509ff7cSJens Wiklander struct ldelf_arg { 267509ff7cSJens Wiklander TEE_UUID uuid; 277509ff7cSJens Wiklander uint32_t is_32bit; 287509ff7cSJens Wiklander uint32_t flags; 297509ff7cSJens Wiklander uint64_t entry_func; 307509ff7cSJens Wiklander uint64_t stack_ptr; 3165137432SJens Wiklander uint64_t dump_entry; 32*c86f218cSJens Wiklander uint64_t ftrace_entry; 3365137432SJens Wiklander }; 3465137432SJens Wiklander 3565137432SJens Wiklander #define DUMP_MAP_READ BIT(0) 3665137432SJens Wiklander #define DUMP_MAP_WRITE BIT(1) 3765137432SJens Wiklander #define DUMP_MAP_EXEC BIT(2) 3865137432SJens Wiklander #define DUMP_MAP_SECURE BIT(3) 3965137432SJens Wiklander #define DUMP_MAP_EPHEM BIT(4) 4065137432SJens Wiklander #define DUMP_MAP_LDELF BIT(7) 4165137432SJens Wiklander 4265137432SJens Wiklander /* 4365137432SJens Wiklander * struct dump_entry_arg - argument for ldelf_dump() 4465137432SJens Wiklander */ 4565137432SJens Wiklander struct dump_entry_arg { 4665137432SJens Wiklander union { 4765137432SJens Wiklander struct { 4865137432SJens Wiklander uint32_t regs[16]; 4965137432SJens Wiklander } arm32; 5065137432SJens Wiklander struct { 5165137432SJens Wiklander uint64_t fp; 5265137432SJens Wiklander uint64_t sp; 5365137432SJens Wiklander uint64_t pc; 5465137432SJens Wiklander } arm64; 5565137432SJens Wiklander }; 5665137432SJens Wiklander bool is_arm32; 5765137432SJens Wiklander size_t num_maps; 5865137432SJens Wiklander struct dump_map { 5965137432SJens Wiklander vaddr_t va; 6065137432SJens Wiklander paddr_t pa; 6165137432SJens Wiklander size_t sz; 6265137432SJens Wiklander uint32_t flags; 6365137432SJens Wiklander } maps[]; 647509ff7cSJens Wiklander }; 657509ff7cSJens Wiklander 667509ff7cSJens Wiklander /* 677509ff7cSJens Wiklander * ldelf is loaded into memory by TEE Core. BSS is initialized and a 687509ff7cSJens Wiklander * stack is allocated and supplied in SP register. A struct ldelf_arg 697509ff7cSJens Wiklander * is placed in the stack and a pointer to the struct is provided in 707509ff7cSJens Wiklander * r0/x0. 717509ff7cSJens Wiklander * 727509ff7cSJens Wiklander * ldelf relocates itself to the address where it is loaded before the main 737509ff7cSJens Wiklander * C routine is called. 747509ff7cSJens Wiklander * 757509ff7cSJens Wiklander * In the main C routine the TA is loaded using the PTA System interface. 767509ff7cSJens Wiklander */ 777509ff7cSJens Wiklander 787509ff7cSJens Wiklander #endif /*__LDELF_H*/ 79