blob: d43d7445f5b4ff86f91b7038fce65dff835854fb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2019, Linaro Limited
*/
#ifndef __LDELF_H
#define __LDELF_H
#include <types_ext.h>
#include <tee_api_types.h>
#include <user_ta_header.h>
/* Size of stack for TEE Core to allocate */
#define LDELF_STACK_SIZE (4096 * 2)
/*
* struct ldelf_arg - argument for ldelf
* @uuid: [in] UUID of TA to load
* @is_32bit: [out] 1 if a 32bit TA or 0 if a 64bit TA
* @flags: [out] Flags field of TA header
* @entry_func: [out] TA entry function
* @stack_ptr: [out] TA stack pointer
* @dump_entry: [out] Dump TA mappings and stack trace
* @ftrace_entry: [out] Dump TA mappings and ftrace buffer
* @fbuf: [out] ftrace buffer pointer
* @dl_entry: [out] Dynamic linking interface (for libdl)
*/
struct ldelf_arg {
TEE_UUID uuid;
uint32_t is_32bit;
uint32_t flags;
uint64_t entry_func;
uint64_t stack_ptr;
uint64_t dump_entry;
uint64_t ftrace_entry;
uint64_t dl_entry;
struct ftrace_buf *fbuf;
};
#define DUMP_MAP_READ BIT(0)
#define DUMP_MAP_WRITE BIT(1)
#define DUMP_MAP_EXEC BIT(2)
#define DUMP_MAP_SECURE BIT(3)
#define DUMP_MAP_EPHEM BIT(4)
#define DUMP_MAP_LDELF BIT(7)
/*
* struct dump_entry_arg - argument for ldelf_arg::dump_entry()
*/
struct dump_entry_arg {
union {
struct {
uint32_t regs[16];
} arm32;
struct {
uint64_t fp;
uint64_t sp;
uint64_t pc;
} arm64;
};
bool is_arm32;
size_t num_maps;
struct dump_map {
vaddr_t va;
paddr_t pa;
size_t sz;
uint32_t flags;
} maps[];
};
/*
* struct dl_entry_arg - argument for ldelf_arg::dl_entry()
*/
struct dl_entry_arg {
uint32_t cmd;
TEE_Result ret;
union {
struct {
TEE_UUID uuid; /* in */
uint32_t flags; /* in */
} dlopen;
struct {
TEE_UUID uuid; /* in */
vaddr_t val; /* out */
char symbol[]; /* in */
} dlsym;
};
};
/*
* Values for dl_entry_arg::cmd
*/
#define LDELF_DL_ENTRY_DLOPEN 0
#define LDELF_DL_ENTRY_DLSYM 1
/*
* Values for dl_entry_arg::dlopen::flags
*/
#define RTLD_NOW 2
#define RTLD_GLOBAL 0x100
#define RTLD_NODELETE 0x1000
/*
* ldelf is loaded into memory by TEE Core. BSS is initialized and a
* stack is allocated and supplied in SP register. A struct ldelf_arg
* is placed in the stack and a pointer to the struct is provided in
* r0/x0.
*
* ldelf relocates itself to the address where it is loaded before the main
* C routine is called.
*
* In the main C routine the TA is loaded using the PTA System interface.
*/
#endif /*__LDELF_H*/
|
