linux.hh (11723:0596db108c53) linux.hh (11728:f099627c6750)
1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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31#ifndef __ARCH_RISCV_LINUX_LINUX_HH__
32#define __ARCH_RISCV_LINUX_LINUX_HH__
33
34#include "kern/linux/linux.hh"
35
36class RiscvLinux : public Linux
37{
38 public:
1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

--- 22 unchanged lines hidden (view full) ---

31#ifndef __ARCH_RISCV_LINUX_LINUX_HH__
32#define __ARCH_RISCV_LINUX_LINUX_HH__
33
34#include "kern/linux/linux.hh"
35
36class RiscvLinux : public Linux
37{
38 public:
39 static const int TGT_SIGHUP = 1;
40 static const int TGT_SIGINT = 2;
41 static const int TGT_SIGQUIT = 3;
42 static const int TGT_SIGILL = 4;
43 static const int TGT_SIGTRAP = 5;
44 static const int TGT_SIGABRT = 6;
45 static const int TGT_SIGIOT = 6;
46 static const int TGT_SIGEMT = 7;
47 static const int TGT_SIGFPE = 8;
48 static const int TGT_SIGKILL = 9;
49 static const int TGT_SIGBUS = 10;
50 static const int TGT_SIGSEGV = 11;
51 static const int TGT_SIGSYS = 12;
52 static const int TGT_SIGPIPE = 13;
53 static const int TGT_SIGALRM = 14;
54 static const int TGT_SIGTERM = 15;
55 static const int TGT_SIGURG = 16;
56 static const int TGT_SIGSTOP = 17;
57 static const int TGT_SIGTSTP = 18;
58 static const int TGT_SIGCONT = 19;
59 static const int TGT_SIGCHLD = 20;
60 static const int TGT_SIGCLD = 20;
61 static const int TGT_SIGTTIN = 21;
62 static const int TGT_SIGTTOU = 22;
63 static const int TGT_SIGPOLL = 23;
64 static const int TGT_SIGIO = 23;
65 static const int TGT_SIGXCPU = 24;
66 static const int TGT_SIGXFSZ = 25;
67 static const int TGT_SIGVTALRM = 26;
68 static const int TGT_SIGPROF = 27;
69 static const int TGT_SIGWINCH = 28;
70 static const int TGT_SIGLOST = 29;
71 static const int TGT_SIGPWR = 29;
72 static const int TGT_SIGUSR1 = 30;
73 static const int TGT_SIGUSR2 = 31;
39
74
40 static const int TGT_SIGHUP = 0x000001;
41 static const int TGT_SIGINT = 0x000002;
42 static const int TGT_SIGQUIT = 0x000003;
43 static const int TGT_SIGILL = 0x000004;
44 static const int TGT_SIGTRAP = 0x000005;
45 static const int TGT_SIGIOT = 0x000006;
46 static const int TGT_SIGABRT = 0x000006;
47 static const int TGT_SIGEMT = 0x000007;
48 static const int TGT_SIGFPE = 0x000008;
49 static const int TGT_SIGKILL = 0x000009;
50 static const int TGT_SIGBUS = 0x00000a;
51 static const int TGT_SIGSEGV = 0x00000b;
52 static const int TGT_SIGSYS = 0x00000c;
53 static const int TGT_SIGPIPE = 0x00000d;
54 static const int TGT_SIGALRM = 0x00000e;
55 static const int TGT_SIGTERM = 0x00000f;
56 static const int TGT_SIGUSR1 = 0x000010;
57 static const int TGT_SIGUSR2 = 0x000011;
58 static const int TGT_SIGCHLD = 0x000012;
59 static const int TGT_SIGCLD = 0x000012;
60 static const int TGT_SIGPWR = 0x000013;
61 static const int TGT_SIGWINCH = 0x000014;
62 static const int TGT_SIGURG = 0x000015;
63 static const int TGT_SIGIO = 0x000016;
64 static const int TGT_SIGPOLL = 0x000016;
65 static const int TGT_SIGSTOP = 0x000017;
66 static const int TGT_SIGTSTP = 0x000018;
67 static const int TGT_SIGCONT = 0x000019;
68 static const int TGT_SIGTTIN = 0x00001a;
69 static const int TGT_SIGTTOU = 0x00001b;
70 static const int TGT_SIGVTALRM = 0x00001c;
71 static const int TGT_SIGPROF = 0x00001d;
72 static const int TGT_SIGXCPU = 0x00001e;
73 static const int TGT_SIGXFSZ = 0x00001f;
74
75 /// This table maps the target open() flags to the corresponding
76 /// host open() flags.
77 static SyscallFlagTransTable openFlagTable[];
78
79 /// Number of entries in openFlagTable[].
80 static const int NUM_OPEN_FLAGS;
81
82 //@{
83 /// open(2) flag values.
75 /// This table maps the target open() flags to the corresponding
76 /// host open() flags.
77 static SyscallFlagTransTable openFlagTable[];
78
79 /// Number of entries in openFlagTable[].
80 static const int NUM_OPEN_FLAGS;
81
82 //@{
83 /// open(2) flag values.
84 static const int TGT_O_RDONLY = 0x00000000; //!< O_RDONLY
85 static const int TGT_O_WRONLY = 0x00000001; //!< O_WRONLY
86 static const int TGT_O_RDWR = 0x00000002; //!< O_RDWR
87 static const int TGT_O_CREAT = 0x00000100; //!< O_CREAT
88 static const int TGT_O_EXCL = 0x00000400; //!< O_EXCL
89 static const int TGT_O_NOCTTY = 0x00000800; //!< O_NOCTTY
90 static const int TGT_O_TRUNC = 0x00000200; //!< O_TRUNC
91 static const int TGT_O_APPEND = 0x00000008; //!< O_APPEND
92 static const int TGT_O_NONBLOCK = 0x00000080; //!< O_NONBLOCK
93 static const int TGT_O_DSYNC = 0x00000010; //!< O_DSYNC
94 static const int TGT_FASYNC = 0x00001000; //!< O_FASYNC
95 static const int TGT_O_DIRECT = 0x00008000; //!< O_DIRECT
96 static const int TGT_O_LARGEFILE = 0x00002000; //!< O_LARGEFILE
97 static const int TGT_O_DIRECTORY = 0x00010000; //!< O_DIRECTORY
98 static const int TGT_O_NOFOLLOW = 0x00020000; //!< O_NOFOLLOW
99 static const int TGT_O_NOATIME = 0x00040000; //!< O_NOATIME
100 static const int TGT_O_CLOEXEC = 0x00080000; //!< O_CLOEXEC
101 static const int TGT_O_SYNC = 0x00004010; //!< O_SYNC
102 static const int TGT_O_PATH = 0x00200000; //!< O_PATH
84 static const int TGT_O_RDONLY = 0x000000; //!< O_RDONLY
85 static const int TGT_O_WRONLY = 0x000001; //!< O_WRONLY
86 static const int TGT_O_RDWR = 0x000002; //!< O_RDWR
87 static const int TGT_O_CREAT = 0x000040; //!< O_CREAT
88 static const int TGT_O_EXCL = 0x000080; //!< O_EXCL
89 static const int TGT_O_NOCTTY = 0x000100; //!< O_NOCTTY
90 static const int TGT_O_TRUNC = 0x000200; //!< O_TRUNC
91 static const int TGT_O_APPEND = 0x000400; //!< O_APPEND
92 static const int TGT_O_NONBLOCK = 0x000800; //!< O_NONBLOCK
93 static const int TGT_O_SYNC = 0x001000; //!< O_SYNC
94 static const int TGT_FSYNC = 0x001000; //!< FSYNC
95 static const int TGT_FASYNC = 0x008000; //!< FASYNC
96 // The following are not present in riscv64-unknown-elf <fcntl.h>
97 static const int TGT_O_DSYNC = 0x010000; //!< O_DSYNC
98 static const int TGT_O_CLOEXEC = 0x040000; //!< O_CLOEXEC
99 static const int TGT_O_NOINHERIT = 0x040000; //!< O_NOINHERIT
100 static const int TGT_O_DIRECT = 0x080000; //!< O_DIRECT
101 static const int TGT_O_NOFOLLOW = 0x100000; //!< O_NOFOLLOW
102 static const int TGT_O_DIRECTORY = 0x200000; //!< O_DIRECTORY
103 // The following are not defined by riscv64-unknown-elf
104 static const int TGT_O_LARGEFILE = 0x020000; //!< O_LARGEFILE
105 static const int TGT_O_NOATIME = 0x800000; //!< O_NOATIME
106 static const int TGT_O_PATH = 0x400000; //!< O_PATH
103 //@}
104
107 //@}
108
105 static const unsigned TGT_MAP_SHARED = 0x00001;
106 static const unsigned TGT_MAP_PRIVATE = 0x00002;
107 static const unsigned TGT_MAP_ANON = 0x00800;
108 static const unsigned TGT_MAP_DENYWRITE = 0x02000;
109 static const unsigned TGT_MAP_EXECUTABLE = 0x04000;
110 static const unsigned TGT_MAP_FILE = 0x00000;
111 static const unsigned TGT_MAP_GROWSDOWN = 0x01000;
112 static const unsigned TGT_MAP_HUGETLB = 0x80000;
113 static const unsigned TGT_MAP_LOCKED = 0x08000;
114 static const unsigned TGT_MAP_NONBLOCK = 0x20000;
115 static const unsigned TGT_MAP_NORESERVE = 0x00400;
116 static const unsigned TGT_MAP_POPULATE = 0x10000;
117 static const unsigned TGT_MAP_STACK = 0x40000;
118 static const unsigned TGT_MAP_ANONYMOUS = 0x00800;
119 static const unsigned TGT_MAP_FIXED = 0x00010;
109 // Only defined in riscv-unknown-elf for proxy kernel and not linux kernel
110 static const unsigned TGT_MAP_SHARED = 0x0001;
111 static const unsigned TGT_MAP_PRIVATE = 0x0002;
112 static const unsigned TGT_MAP_FIXED = 0x0010;
113 static const unsigned TGT_MAP_ANONYMOUS = 0x0020;
114 static const unsigned TGT_MAP_POPULATE = 0x1000;
115 static const unsigned TGT_MREMAP_FIXED = 0x0020;
120
121 static const unsigned NUM_MMAP_FLAGS;
122
116
117 static const unsigned NUM_MMAP_FLAGS;
118
123 //@{
124 /// For getsysinfo().
125 static const unsigned GSI_PLATFORM_NAME = 103; //!< platform name as string
126 static const unsigned GSI_CPU_INFO = 59; //!< CPU information
127 static const unsigned GSI_PROC_TYPE = 60; //!< get proc_type
128 static const unsigned GSI_MAX_CPU = 30; //!< max # cpus
129 static const unsigned GSI_CPUS_IN_BOX = 55; //!< # of CPUs in system
130 static const unsigned GSI_PHYSMEM = 19; //!< Physical memory in KB
131 static const unsigned GSI_CLK_TCK = 42; //!< clock freq in Hz
132 //@}
119 typedef int64_t time_t;
120 typedef uint64_t dev_t;
121 typedef uint64_t ino_t;
122 typedef uint32_t mode_t;
123 typedef uint32_t nlink_t;
124 typedef uint32_t uid_t;
125 typedef uint32_t gid_t;
126 typedef int64_t off_t;
127 typedef uint64_t blksize_t;
128 typedef uint64_t blkcnt_t;
133
129
134 //@{
135 /// For setsysinfo().
136 static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control()
137 //@}
130 struct timespec {
131 time_t tv_sec;
132 int64_t tv_nsec;
133 };
138
134
139 //@{
140 /// ioctl() command codes.
141 static const unsigned TGT_TCGETA = 0x5401;
142 static const unsigned TGT_TCSETAW = 0x5403;
143 static const unsigned TGT_TCGETS = 0x540d;
144 static const unsigned TGT_FIONREAD = 0x467f;
145 static const unsigned TGT_TIOCGETP = 0x7408;
146 static const unsigned TGT_TIOCSETP = 0x7409;
147 static const unsigned TGT_TIOCSETN = 0x740a;
148 //@}
149
150 static bool
151 isTtyReq(unsigned req)
152 {
153 switch (req) {
154 case TGT_TIOCGETP:
155 case TGT_TIOCSETP:
156 case TGT_TIOCSETN:
157 case TGT_FIONREAD:
158 case TGT_TCGETS:
159 case TGT_TCGETA:
160 case TGT_TCSETAW:
161 return true;
162 default:
163 return false;
164 }
165 }
166
167 /// For table().
168 static const int TBL_SYSINFO = 12;
169
170 /// Resource constants for getrlimit() (overide some generics).
171 static const unsigned TGT_RLIMIT_NPROC = 8;
172 static const unsigned TGT_RLIMIT_AS = 6;
173 static const unsigned TGT_RLIMIT_RSS = 7;
174 static const unsigned TGT_RLIMIT_NOFILE = 5;
175 static const unsigned TGT_RLIMIT_MEMLOCK = 9;
176
177 /// Offset used to make sure that processes don't
178 /// assign themselves to process IDs reserved for
179 /// the root users.
180 static const int NUM_ROOT_PROCS = 2;
181
182 typedef struct {
135 typedef struct {
183 int32_t uptime; /* Seconds since boot */
184 uint32_t loads[3]; /* 1, 5, and 15 minute load averages */
185 uint32_t totalram; /* Total usable main memory size */
186 uint32_t freeram; /* Available memory size */
187 uint32_t sharedram; /* Amount of shared memory */
188 uint32_t bufferram; /* Memory used by buffers */
189 uint32_t totalswap; /* Total swap space size */
190 uint32_t freeswap; /* swap space still available */
191 uint16_t procs; /* Number of current processes */
192 uint32_t totalhigh; /* Total high memory size */
193 uint32_t freehigh; /* Available high memory size */
194 uint32_t mem_unit; /* Memory unit size in bytes */
195 } tgt_sysinfo;
196
136 dev_t st_dev;
137 ino_t st_ino;
138 mode_t st_mode;
139 nlink_t st_nlink;
140 uid_t st_uid;
141 gid_t st_gid;
142 dev_t st_rdev;
143 dev_t __pad1;
144 off_t st_size;
145 blksize_t st_blksize;
146 blkcnt_t st_blocks;
147 uint64_t st_atimeX;
148 uint64_t st_atime_nsec;
149 uint64_t st_mtimeX;
150 uint64_t st_mtime_nsec;
151 uint64_t st_ctimeX;
152 uint64_t st_ctime_nsec;
153 int32_t ___glibc_reserved[2];
154 } tgt_stat64;
197};
198
199#endif
155};
156
157#endif