blob: 1d42d92de488342e3da5a2eacd1bcf40bf4fcb84 (
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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/** @file
Processor or Compiler specific defines and types for RISC-V
Copyright (c) 2016 - 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef PROCESSOR_BIND_H__
#define PROCESSOR_BIND_H__
///
/// Define the processor type so other code can make processor based choices
///
#define MDE_CPU_RISCV64
//
// Make sure we are using the correct packing rules per EFI specification
//
#if !defined (__GNUC__)
#pragma pack()
#endif
///
/// 8-byte unsigned value
///
typedef unsigned long long UINT64 __attribute__ ((aligned (8)));
///
/// 8-byte signed value
///
typedef long long INT64 __attribute__ ((aligned (8)));
///
/// 4-byte unsigned value
///
typedef unsigned int UINT32 __attribute__ ((aligned (4)));
///
/// 4-byte signed value
///
typedef int INT32 __attribute__ ((aligned (4)));
///
/// 2-byte unsigned value
///
typedef unsigned short UINT16 __attribute__ ((aligned (2)));
///
/// 2-byte Character. Unless otherwise specified all strings are stored in the
/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
///
typedef unsigned short CHAR16 __attribute__ ((aligned (2)));
///
/// 2-byte signed value
///
typedef short INT16 __attribute__ ((aligned (2)));
///
/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
/// values are undefined.
///
typedef unsigned char BOOLEAN;
///
/// 1-byte unsigned value
///
typedef unsigned char UINT8;
///
/// 1-byte Character
///
typedef char CHAR8;
///
/// 1-byte signed value
///
typedef signed char INT8;
///
/// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,
/// 8 bytes on supported 64-bit processor instructions)
///
typedef UINT64 UINTN __attribute__ ((aligned (8)));
///
/// Signed value of native width. (4 bytes on supported 32-bit processor instructions,
/// 8 bytes on supported 64-bit processor instructions)
///
typedef INT64 INTN __attribute__ ((aligned (8)));
//
// Processor specific defines
//
///
/// A value of native width with the highest bit set.
///
#define MAX_BIT 0x8000000000000000ULL
///
/// A value of native width with the two highest bits set.
///
#define MAX_2_BITS 0xC000000000000000ULL
///
/// Maximum legal RV64 address
///
#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL
///
/// Maximum usable address at boot time (48 bits using 4 KB pages in Supervisor mode)
///
#define MAX_ALLOC_ADDRESS 0xFFFFFFFFFFFFULL
///
/// Maximum legal RISC-V INTN and UINTN values.
///
#define MAX_INTN ((INTN)0x7FFFFFFFFFFFFFFFULL)
#define MAX_UINTN ((UINTN)0xFFFFFFFFFFFFFFFFULL)
///
/// The stack alignment required for RISC-V
///
#define CPU_STACK_ALIGNMENT 16
///
/// Page allocation granularity for RISC-V
///
#define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000)
#define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x1000)
//
// Modifier to ensure that all protocol member functions and EFI intrinsics
// use the correct C calling convention. All protocol member functions and
// EFI intrinsics are required to modify their member functions with EFIAPI.
//
#ifdef EFIAPI
///
/// If EFIAPI is already defined, then we use that definition.
///
#elif defined (__GNUC__)
///
/// Define the standard calling convention regardless of optimization level
/// The GCC support assumes a GCC compiler that supports the EFI ABI. The EFI
/// ABI is much closer to the x64 Microsoft* ABI than standard x64 (x86-64)
/// GCC ABI. Thus a standard x64 (x86-64) GCC compiler can not be used for
/// x64. Warning the assembly code in the MDE x64 does not follow the correct
/// ABI for the standard x64 (x86-64) GCC.
///
#define EFIAPI
#else
///
/// The default for a non Microsoft* or GCC compiler is to assume the EFI ABI
/// is the standard.
///
#define EFIAPI
#endif
#if defined (__GNUC__)
///
/// For GNU assembly code, .global or .globl can declare global symbols.
/// Define this macro to unify the usage.
///
#define ASM_GLOBAL .globl
#endif
/**
Return the pointer to the first instruction of a function given a function pointer.
On x64 CPU architectures, these two pointer values are the same,
so the implementation of this macro is very simple.
@param FunctionPointer A pointer to a function.
@return The pointer to the first instruction of a function given a function pointer.
**/
#define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer)
#ifndef __USER_LABEL_PREFIX__
#define __USER_LABEL_PREFIX__
#endif
#endif
|
