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;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Korey Sewell
29 */
30
31#ifndef __ARCH_RISCV_LINUX_LINUX_HH__
32#define __ARCH_RISCV_LINUX_LINUX_HH__
33
34#include "arch/riscv/utility.hh"
35#include "kern/linux/linux.hh"
36
37class RiscvLinux64 : public Linux
38{
39 public:
40 static const int TGT_SIGHUP = 1;
41 static const int TGT_SIGINT = 2;
42 static const int TGT_SIGQUIT = 3;
43 static const int TGT_SIGILL = 4;
44 static const int TGT_SIGTRAP = 5;
45 static const int TGT_SIGABRT = 6;
46 static const int TGT_SIGIOT = 6;
47 static const int TGT_SIGEMT = 7;
48 static const int TGT_SIGFPE = 8;
49 static const int TGT_SIGKILL = 9;
50 static const int TGT_SIGBUS = 10;
51 static const int TGT_SIGSEGV = 11;
52 static const int TGT_SIGSYS = 12;
53 static const int TGT_SIGPIPE = 13;
54 static const int TGT_SIGALRM = 14;
55 static const int TGT_SIGTERM = 15;
56 static const int TGT_SIGURG = 16;
57 static const int TGT_SIGSTOP = 17;
58 static const int TGT_SIGTSTP = 18;
59 static const int TGT_SIGCONT = 19;
60 static const int TGT_SIGCHLD = 20;
61 static const int TGT_SIGCLD = 20;
62 static const int TGT_SIGTTIN = 21;
63 static const int TGT_SIGTTOU = 22;
64 static const int TGT_SIGPOLL = 23;
65 static const int TGT_SIGIO = 23;
66 static const int TGT_SIGXCPU = 24;
67 static const int TGT_SIGXFSZ = 25;
68 static const int TGT_SIGVTALRM = 26;
69 static const int TGT_SIGPROF = 27;
70 static const int TGT_SIGWINCH = 28;
71 static const int TGT_SIGLOST = 29;
72 static const int TGT_SIGPWR = 29;
73 static const int TGT_SIGUSR1 = 30;
74 static const int TGT_SIGUSR2 = 31;
75
76 /// This table maps the target open() flags to the corresponding
77 /// host open() flags.
78 static SyscallFlagTransTable openFlagTable[];
79
80 /// Number of entries in openFlagTable[].
81 static const int NUM_OPEN_FLAGS;
82
83 //@{
84 /// open(2) flag values.
85 static const int TGT_O_RDONLY = 0x000000; //!< O_RDONLY
86 static const int TGT_O_WRONLY = 0x000001; //!< O_WRONLY
87 static const int TGT_O_RDWR = 0x000002; //!< O_RDWR
88 static const int TGT_O_CREAT = 0x000040; //!< O_CREAT
89 static const int TGT_O_EXCL = 0x000080; //!< O_EXCL
90 static const int TGT_O_NOCTTY = 0x000100; //!< O_NOCTTY
91 static const int TGT_O_TRUNC = 0x000200; //!< O_TRUNC
92 static const int TGT_O_APPEND = 0x000400; //!< O_APPEND
93 static const int TGT_O_NONBLOCK = 0x000800; //!< O_NONBLOCK
94 static const int TGT_O_SYNC = 0x001000; //!< O_SYNC
95 static const int TGT_FSYNC = 0x001000; //!< FSYNC
96 static const int TGT_FASYNC = 0x008000; //!< FASYNC
97 // The following are not present in riscv64-unknown-elf <fcntl.h>
98 static const int TGT_O_DSYNC = 0x010000; //!< O_DSYNC
99 static const int TGT_O_CLOEXEC = 0x040000; //!< O_CLOEXEC
100 static const int TGT_O_NOINHERIT = 0x040000; //!< O_NOINHERIT
101 static const int TGT_O_DIRECT = 0x080000; //!< O_DIRECT
102 static const int TGT_O_NOFOLLOW = 0x100000; //!< O_NOFOLLOW
103 static const int TGT_O_DIRECTORY = 0x200000; //!< O_DIRECTORY
104 // The following are not defined by riscv64-unknown-elf
105 static const int TGT_O_LARGEFILE = 0x020000; //!< O_LARGEFILE
106 static const int TGT_O_NOATIME = 0x800000; //!< O_NOATIME
107 static const int TGT_O_PATH = 0x400000; //!< O_PATH
108 //@}
109
110 // Only defined in riscv-unknown-elf for proxy kernel and not linux kernel
111 static const unsigned TGT_MAP_SHARED = 0x0001;
112 static const unsigned TGT_MAP_PRIVATE = 0x0002;
113 static const unsigned TGT_MAP_FIXED = 0x0010;
114 static const unsigned TGT_MAP_ANONYMOUS = 0x0020;
115 static const unsigned TGT_MAP_POPULATE = 0x1000;
116 static const unsigned TGT_MREMAP_FIXED = 0x0020;
117
118 static const unsigned NUM_MMAP_FLAGS;
119
120 typedef int64_t time_t;
121 typedef uint64_t dev_t;
122 typedef uint64_t ino_t;
123 typedef uint32_t mode_t;
124 typedef uint32_t nlink_t;
125 typedef uint32_t uid_t;
126 typedef uint32_t gid_t;
127 typedef int64_t off_t;
128 typedef uint64_t blksize_t;
129 typedef uint64_t blkcnt_t;
130
131 struct timespec {
132 time_t tv_sec;
133 int64_t tv_nsec;
134 };
135
136 typedef struct {
137 dev_t st_dev;
138 ino_t st_ino;
139 mode_t st_mode;
140 nlink_t st_nlink;
141 uid_t st_uid;
142 gid_t st_gid;
143 dev_t st_rdev;
144 dev_t __pad1;
145 off_t st_size;
146 blksize_t st_blksize;
147 blkcnt_t st_blocks;
148 uint64_t st_atimeX;
149 uint64_t st_atime_nsec;
150 uint64_t st_mtimeX;
151 uint64_t st_mtime_nsec;
152 uint64_t st_ctimeX;
153 uint64_t st_ctime_nsec;
154 int32_t ___glibc_reserved[2];
155 } tgt_stat64;
156
157 typedef struct {
158 int32_t val[2];
159 } tgt_fsid_t;
160
161 typedef struct {
162 uint64_t f_type;
163 uint64_t f_bsize;
164 uint64_t f_blocks;
165 uint64_t f_bfree;
166 uint64_t f_bavail;
167 uint64_t f_files;
168 uint64_t f_ffree;
169 tgt_fsid_t f_fsid;
170 uint64_t f_namelen;
171 uint64_t f_frsize;
172 uint64_t f_flags;
173 uint64_t f_spare[4];
174 } tgt_statfs;
175
176 typedef struct {
177 int64_t uptime;
178 uint64_t loads[3];
179 uint64_t totalram;
180 uint64_t freeram;
181 uint64_t sharedram;
182 uint64_t bufferram;
183 uint64_t totalswap;
184 uint64_t freeswap;
185 uint16_t procs;
186 uint16_t pad;
187 uint64_t totalhigh;
188 uint64_t freehigh;
189 uint32_t mem_unit;
190 } tgt_sysinfo;
191
192 static void
193 archClone(uint64_t flags,
194 Process *pp, Process *cp,
195 ThreadContext *ptc, ThreadContext *ctc,
196 uint64_t stack, uint64_t tls)
197 {
198 RiscvISA::copyRegs(ptc, ctc);
| 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;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Korey Sewell
29 */
30
31#ifndef __ARCH_RISCV_LINUX_LINUX_HH__
32#define __ARCH_RISCV_LINUX_LINUX_HH__
33
34#include "arch/riscv/utility.hh"
35#include "kern/linux/linux.hh"
36
37class RiscvLinux64 : public Linux
38{
39 public:
40 static const int TGT_SIGHUP = 1;
41 static const int TGT_SIGINT = 2;
42 static const int TGT_SIGQUIT = 3;
43 static const int TGT_SIGILL = 4;
44 static const int TGT_SIGTRAP = 5;
45 static const int TGT_SIGABRT = 6;
46 static const int TGT_SIGIOT = 6;
47 static const int TGT_SIGEMT = 7;
48 static const int TGT_SIGFPE = 8;
49 static const int TGT_SIGKILL = 9;
50 static const int TGT_SIGBUS = 10;
51 static const int TGT_SIGSEGV = 11;
52 static const int TGT_SIGSYS = 12;
53 static const int TGT_SIGPIPE = 13;
54 static const int TGT_SIGALRM = 14;
55 static const int TGT_SIGTERM = 15;
56 static const int TGT_SIGURG = 16;
57 static const int TGT_SIGSTOP = 17;
58 static const int TGT_SIGTSTP = 18;
59 static const int TGT_SIGCONT = 19;
60 static const int TGT_SIGCHLD = 20;
61 static const int TGT_SIGCLD = 20;
62 static const int TGT_SIGTTIN = 21;
63 static const int TGT_SIGTTOU = 22;
64 static const int TGT_SIGPOLL = 23;
65 static const int TGT_SIGIO = 23;
66 static const int TGT_SIGXCPU = 24;
67 static const int TGT_SIGXFSZ = 25;
68 static const int TGT_SIGVTALRM = 26;
69 static const int TGT_SIGPROF = 27;
70 static const int TGT_SIGWINCH = 28;
71 static const int TGT_SIGLOST = 29;
72 static const int TGT_SIGPWR = 29;
73 static const int TGT_SIGUSR1 = 30;
74 static const int TGT_SIGUSR2 = 31;
75
76 /// This table maps the target open() flags to the corresponding
77 /// host open() flags.
78 static SyscallFlagTransTable openFlagTable[];
79
80 /// Number of entries in openFlagTable[].
81 static const int NUM_OPEN_FLAGS;
82
83 //@{
84 /// open(2) flag values.
85 static const int TGT_O_RDONLY = 0x000000; //!< O_RDONLY
86 static const int TGT_O_WRONLY = 0x000001; //!< O_WRONLY
87 static const int TGT_O_RDWR = 0x000002; //!< O_RDWR
88 static const int TGT_O_CREAT = 0x000040; //!< O_CREAT
89 static const int TGT_O_EXCL = 0x000080; //!< O_EXCL
90 static const int TGT_O_NOCTTY = 0x000100; //!< O_NOCTTY
91 static const int TGT_O_TRUNC = 0x000200; //!< O_TRUNC
92 static const int TGT_O_APPEND = 0x000400; //!< O_APPEND
93 static const int TGT_O_NONBLOCK = 0x000800; //!< O_NONBLOCK
94 static const int TGT_O_SYNC = 0x001000; //!< O_SYNC
95 static const int TGT_FSYNC = 0x001000; //!< FSYNC
96 static const int TGT_FASYNC = 0x008000; //!< FASYNC
97 // The following are not present in riscv64-unknown-elf <fcntl.h>
98 static const int TGT_O_DSYNC = 0x010000; //!< O_DSYNC
99 static const int TGT_O_CLOEXEC = 0x040000; //!< O_CLOEXEC
100 static const int TGT_O_NOINHERIT = 0x040000; //!< O_NOINHERIT
101 static const int TGT_O_DIRECT = 0x080000; //!< O_DIRECT
102 static const int TGT_O_NOFOLLOW = 0x100000; //!< O_NOFOLLOW
103 static const int TGT_O_DIRECTORY = 0x200000; //!< O_DIRECTORY
104 // The following are not defined by riscv64-unknown-elf
105 static const int TGT_O_LARGEFILE = 0x020000; //!< O_LARGEFILE
106 static const int TGT_O_NOATIME = 0x800000; //!< O_NOATIME
107 static const int TGT_O_PATH = 0x400000; //!< O_PATH
108 //@}
109
110 // Only defined in riscv-unknown-elf for proxy kernel and not linux kernel
111 static const unsigned TGT_MAP_SHARED = 0x0001;
112 static const unsigned TGT_MAP_PRIVATE = 0x0002;
113 static const unsigned TGT_MAP_FIXED = 0x0010;
114 static const unsigned TGT_MAP_ANONYMOUS = 0x0020;
115 static const unsigned TGT_MAP_POPULATE = 0x1000;
116 static const unsigned TGT_MREMAP_FIXED = 0x0020;
117
118 static const unsigned NUM_MMAP_FLAGS;
119
120 typedef int64_t time_t;
121 typedef uint64_t dev_t;
122 typedef uint64_t ino_t;
123 typedef uint32_t mode_t;
124 typedef uint32_t nlink_t;
125 typedef uint32_t uid_t;
126 typedef uint32_t gid_t;
127 typedef int64_t off_t;
128 typedef uint64_t blksize_t;
129 typedef uint64_t blkcnt_t;
130
131 struct timespec {
132 time_t tv_sec;
133 int64_t tv_nsec;
134 };
135
136 typedef struct {
137 dev_t st_dev;
138 ino_t st_ino;
139 mode_t st_mode;
140 nlink_t st_nlink;
141 uid_t st_uid;
142 gid_t st_gid;
143 dev_t st_rdev;
144 dev_t __pad1;
145 off_t st_size;
146 blksize_t st_blksize;
147 blkcnt_t st_blocks;
148 uint64_t st_atimeX;
149 uint64_t st_atime_nsec;
150 uint64_t st_mtimeX;
151 uint64_t st_mtime_nsec;
152 uint64_t st_ctimeX;
153 uint64_t st_ctime_nsec;
154 int32_t ___glibc_reserved[2];
155 } tgt_stat64;
156
157 typedef struct {
158 int32_t val[2];
159 } tgt_fsid_t;
160
161 typedef struct {
162 uint64_t f_type;
163 uint64_t f_bsize;
164 uint64_t f_blocks;
165 uint64_t f_bfree;
166 uint64_t f_bavail;
167 uint64_t f_files;
168 uint64_t f_ffree;
169 tgt_fsid_t f_fsid;
170 uint64_t f_namelen;
171 uint64_t f_frsize;
172 uint64_t f_flags;
173 uint64_t f_spare[4];
174 } tgt_statfs;
175
176 typedef struct {
177 int64_t uptime;
178 uint64_t loads[3];
179 uint64_t totalram;
180 uint64_t freeram;
181 uint64_t sharedram;
182 uint64_t bufferram;
183 uint64_t totalswap;
184 uint64_t freeswap;
185 uint16_t procs;
186 uint16_t pad;
187 uint64_t totalhigh;
188 uint64_t freehigh;
189 uint32_t mem_unit;
190 } tgt_sysinfo;
191
192 static void
193 archClone(uint64_t flags,
194 Process *pp, Process *cp,
195 ThreadContext *ptc, ThreadContext *ctc,
196 uint64_t stack, uint64_t tls)
197 {
198 RiscvISA::copyRegs(ptc, ctc);
|
199 if (stack)
200 ctc->setIntReg(RiscvISA::StackPointerReg, stack);
201 }
202};
203
204class RiscvLinux32 : public Linux
205{
206 public:
207 static const int TGT_SIGHUP = 1;
208 static const int TGT_SIGINT = 2;
209 static const int TGT_SIGQUIT = 3;
210 static const int TGT_SIGILL = 4;
211 static const int TGT_SIGTRAP = 5;
212 static const int TGT_SIGABRT = 6;
213 static const int TGT_SIGIOT = 6;
214 static const int TGT_SIGEMT = 7;
215 static const int TGT_SIGFPE = 8;
216 static const int TGT_SIGKILL = 9;
217 static const int TGT_SIGBUS = 10;
218 static const int TGT_SIGSEGV = 11;
219 static const int TGT_SIGSYS = 12;
220 static const int TGT_SIGPIPE = 13;
221 static const int TGT_SIGALRM = 14;
222 static const int TGT_SIGTERM = 15;
223 static const int TGT_SIGURG = 16;
224 static const int TGT_SIGSTOP = 17;
225 static const int TGT_SIGTSTP = 18;
226 static const int TGT_SIGCONT = 19;
227 static const int TGT_SIGCHLD = 20;
228 static const int TGT_SIGCLD = 20;
229 static const int TGT_SIGTTIN = 21;
230 static const int TGT_SIGTTOU = 22;
231 static const int TGT_SIGPOLL = 23;
232 static const int TGT_SIGIO = 23;
233 static const int TGT_SIGXCPU = 24;
234 static const int TGT_SIGXFSZ = 25;
235 static const int TGT_SIGVTALRM = 26;
236 static const int TGT_SIGPROF = 27;
237 static const int TGT_SIGWINCH = 28;
238 static const int TGT_SIGLOST = 29;
239 static const int TGT_SIGPWR = 29;
240 static const int TGT_SIGUSR1 = 30;
241 static const int TGT_SIGUSR2 = 31;
242
243 /// This table maps the target open() flags to the corresponding
244 /// host open() flags.
245 static SyscallFlagTransTable openFlagTable[];
246
247 /// Number of entries in openFlagTable[].
248 static const int NUM_OPEN_FLAGS;
249
250 //@{
251 /// open(2) flag values.
252 // The following values match newlib 3.0.0.
253 // Note that glibc has different values.
254 static const int TGT_O_RDONLY = 0x000000; //!< O_RDONLY
255 static const int TGT_O_WRONLY = 0x000001; //!< O_WRONLY
256 static const int TGT_O_RDWR = 0x000002; //!< O_RDWR
257 static const int TGT_O_CREAT = 0x000200; //!< O_CREAT
258 static const int TGT_O_EXCL = 0x000800; //!< O_EXCL
259 static const int TGT_O_NOCTTY = 0x008000; //!< O_NOCTTY
260 static const int TGT_O_TRUNC = 0x000400; //!< O_TRUNC
261 static const int TGT_O_APPEND = 0x000008; //!< O_APPEND
262 static const int TGT_O_NONBLOCK = 0x004000; //!< O_NONBLOCK
263 static const int TGT_O_SYNC = 0x002000; //!< O_SYNC
264 static const int TGT_FSYNC = 0x002000; //!< FSYNC
265 static const int TGT_FASYNC = 0x000040; //!< FASYNC
266 // The following are not present in riscv32-unknown-elf <fcntl.h>
267 static const int TGT_O_DSYNC = 0x010000; //!< O_DSYNC
268 static const int TGT_O_CLOEXEC = 0x040000; //!< O_CLOEXEC
269 static const int TGT_O_NOINHERIT = 0x040000; //!< O_NOINHERIT
270 static const int TGT_O_DIRECT = 0x080000; //!< O_DIRECT
271 static const int TGT_O_NOFOLLOW = 0x100000; //!< O_NOFOLLOW
272 static const int TGT_O_DIRECTORY = 0x200000; //!< O_DIRECTORY
273 // The following are not defined by riscv32-unknown-elf
274 static const int TGT_O_LARGEFILE = 0x020000; //!< O_LARGEFILE
275 static const int TGT_O_NOATIME = 0x800000; //!< O_NOATIME
276 static const int TGT_O_PATH = 0x400000; //!< O_PATH
277 //@}
278
279 // Only defined in riscv-unknown-elf for proxy kernel and not linux kernel
280 static const unsigned TGT_MAP_SHARED = 0x0001;
281 static const unsigned TGT_MAP_PRIVATE = 0x0002;
282 static const unsigned TGT_MAP_FIXED = 0x0010;
283 static const unsigned TGT_MAP_ANONYMOUS = 0x0020;
284 static const unsigned TGT_MAP_POPULATE = 0x1000;
285 static const unsigned TGT_MREMAP_FIXED = 0x0020;
286
287 static const unsigned NUM_MMAP_FLAGS;
288
289 // Newlib 3.0.0 defaults to 64-bits for time_t.
290 // Currently time_t in glibc for riscv32 is 32-bits, but will be changed.
291 typedef int64_t time_t;
292
293 /// Limit struct for getrlimit/setrlimit.
294 struct rlimit {
295 uint32_t rlim_cur; //!< soft limit
296 uint32_t rlim_max; //!< hard limit
297 };
298
299 struct timespec {
300 time_t tv_sec;
301 int32_t tv_nsec;
302 };
303
304 typedef struct {
305 int32_t val[2];
306 } tgt_fsid_t;
307
308 typedef struct {
309 uint64_t st_dev;
310 uint64_t st_ino;
311 uint32_t st_mode;
312 uint32_t st_nlink;
313 uint32_t st_uid;
314 uint32_t st_gid;
315 uint64_t st_rdev;
316 uint64_t __pad1;
317 int64_t st_size;
318 int32_t st_blksize;
319 int32_t __pad2;
320 int64_t st_blocks;
321 time_t st_atimeX;
322 int32_t st_atime_nsec;
323 time_t st_mtimeX;
324 int32_t st_mtime_nsec;
325 time_t st_ctimeX;
326 int32_t st_ctime_nsec;
327 int32_t __unused4;
328 int32_t __unused5;
329 } tgt_stat;
330
331 typedef struct {
332 uint32_t f_type;
333 uint32_t f_bsize;
334 uint32_t f_blocks;
335 uint32_t f_bfree;
336 uint32_t f_bavail;
337 uint32_t f_files;
338 uint32_t f_ffree;
339 tgt_fsid_t f_fsid;
340 uint32_t f_namelen;
341 uint32_t f_frsize;
342 uint32_t f_flags;
343 uint32_t f_spare[4];
344 } tgt_statfs;
345
346 typedef struct {
347 int32_t uptime;
348 uint32_t loads[3];
349 uint32_t totalram;
350 uint32_t freeram;
351 uint32_t sharedram;
352 uint32_t bufferram;
353 uint32_t totalswap;
354 uint32_t freeswap;
355 uint16_t procs;
356 uint16_t pad;
357 uint32_t totalhigh;
358 uint32_t freehigh;
359 uint32_t mem_unit;
360 } tgt_sysinfo;
361
362 static void
363 archClone(uint64_t flags,
364 Process *pp, Process *cp,
365 ThreadContext *ptc, ThreadContext *ctc,
366 uint64_t stack, uint64_t tls)
367 {
368 RiscvISA::copyRegs(ptc, ctc);
369 if (stack)
370 ctc->setIntReg(RiscvISA::StackPointerReg, stack);
371 }
372};
373
374#endif
| 201 if (stack)
202 ctc->setIntReg(RiscvISA::StackPointerReg, stack);
203 }
204};
205
206class RiscvLinux32 : public Linux
207{
208 public:
209 static const int TGT_SIGHUP = 1;
210 static const int TGT_SIGINT = 2;
211 static const int TGT_SIGQUIT = 3;
212 static const int TGT_SIGILL = 4;
213 static const int TGT_SIGTRAP = 5;
214 static const int TGT_SIGABRT = 6;
215 static const int TGT_SIGIOT = 6;
216 static const int TGT_SIGEMT = 7;
217 static const int TGT_SIGFPE = 8;
218 static const int TGT_SIGKILL = 9;
219 static const int TGT_SIGBUS = 10;
220 static const int TGT_SIGSEGV = 11;
221 static const int TGT_SIGSYS = 12;
222 static const int TGT_SIGPIPE = 13;
223 static const int TGT_SIGALRM = 14;
224 static const int TGT_SIGTERM = 15;
225 static const int TGT_SIGURG = 16;
226 static const int TGT_SIGSTOP = 17;
227 static const int TGT_SIGTSTP = 18;
228 static const int TGT_SIGCONT = 19;
229 static const int TGT_SIGCHLD = 20;
230 static const int TGT_SIGCLD = 20;
231 static const int TGT_SIGTTIN = 21;
232 static const int TGT_SIGTTOU = 22;
233 static const int TGT_SIGPOLL = 23;
234 static const int TGT_SIGIO = 23;
235 static const int TGT_SIGXCPU = 24;
236 static const int TGT_SIGXFSZ = 25;
237 static const int TGT_SIGVTALRM = 26;
238 static const int TGT_SIGPROF = 27;
239 static const int TGT_SIGWINCH = 28;
240 static const int TGT_SIGLOST = 29;
241 static const int TGT_SIGPWR = 29;
242 static const int TGT_SIGUSR1 = 30;
243 static const int TGT_SIGUSR2 = 31;
244
245 /// This table maps the target open() flags to the corresponding
246 /// host open() flags.
247 static SyscallFlagTransTable openFlagTable[];
248
249 /// Number of entries in openFlagTable[].
250 static const int NUM_OPEN_FLAGS;
251
252 //@{
253 /// open(2) flag values.
254 // The following values match newlib 3.0.0.
255 // Note that glibc has different values.
256 static const int TGT_O_RDONLY = 0x000000; //!< O_RDONLY
257 static const int TGT_O_WRONLY = 0x000001; //!< O_WRONLY
258 static const int TGT_O_RDWR = 0x000002; //!< O_RDWR
259 static const int TGT_O_CREAT = 0x000200; //!< O_CREAT
260 static const int TGT_O_EXCL = 0x000800; //!< O_EXCL
261 static const int TGT_O_NOCTTY = 0x008000; //!< O_NOCTTY
262 static const int TGT_O_TRUNC = 0x000400; //!< O_TRUNC
263 static const int TGT_O_APPEND = 0x000008; //!< O_APPEND
264 static const int TGT_O_NONBLOCK = 0x004000; //!< O_NONBLOCK
265 static const int TGT_O_SYNC = 0x002000; //!< O_SYNC
266 static const int TGT_FSYNC = 0x002000; //!< FSYNC
267 static const int TGT_FASYNC = 0x000040; //!< FASYNC
268 // The following are not present in riscv32-unknown-elf <fcntl.h>
269 static const int TGT_O_DSYNC = 0x010000; //!< O_DSYNC
270 static const int TGT_O_CLOEXEC = 0x040000; //!< O_CLOEXEC
271 static const int TGT_O_NOINHERIT = 0x040000; //!< O_NOINHERIT
272 static const int TGT_O_DIRECT = 0x080000; //!< O_DIRECT
273 static const int TGT_O_NOFOLLOW = 0x100000; //!< O_NOFOLLOW
274 static const int TGT_O_DIRECTORY = 0x200000; //!< O_DIRECTORY
275 // The following are not defined by riscv32-unknown-elf
276 static const int TGT_O_LARGEFILE = 0x020000; //!< O_LARGEFILE
277 static const int TGT_O_NOATIME = 0x800000; //!< O_NOATIME
278 static const int TGT_O_PATH = 0x400000; //!< O_PATH
279 //@}
280
281 // Only defined in riscv-unknown-elf for proxy kernel and not linux kernel
282 static const unsigned TGT_MAP_SHARED = 0x0001;
283 static const unsigned TGT_MAP_PRIVATE = 0x0002;
284 static const unsigned TGT_MAP_FIXED = 0x0010;
285 static const unsigned TGT_MAP_ANONYMOUS = 0x0020;
286 static const unsigned TGT_MAP_POPULATE = 0x1000;
287 static const unsigned TGT_MREMAP_FIXED = 0x0020;
288
289 static const unsigned NUM_MMAP_FLAGS;
290
291 // Newlib 3.0.0 defaults to 64-bits for time_t.
292 // Currently time_t in glibc for riscv32 is 32-bits, but will be changed.
293 typedef int64_t time_t;
294
295 /// Limit struct for getrlimit/setrlimit.
296 struct rlimit {
297 uint32_t rlim_cur; //!< soft limit
298 uint32_t rlim_max; //!< hard limit
299 };
300
301 struct timespec {
302 time_t tv_sec;
303 int32_t tv_nsec;
304 };
305
306 typedef struct {
307 int32_t val[2];
308 } tgt_fsid_t;
309
310 typedef struct {
311 uint64_t st_dev;
312 uint64_t st_ino;
313 uint32_t st_mode;
314 uint32_t st_nlink;
315 uint32_t st_uid;
316 uint32_t st_gid;
317 uint64_t st_rdev;
318 uint64_t __pad1;
319 int64_t st_size;
320 int32_t st_blksize;
321 int32_t __pad2;
322 int64_t st_blocks;
323 time_t st_atimeX;
324 int32_t st_atime_nsec;
325 time_t st_mtimeX;
326 int32_t st_mtime_nsec;
327 time_t st_ctimeX;
328 int32_t st_ctime_nsec;
329 int32_t __unused4;
330 int32_t __unused5;
331 } tgt_stat;
332
333 typedef struct {
334 uint32_t f_type;
335 uint32_t f_bsize;
336 uint32_t f_blocks;
337 uint32_t f_bfree;
338 uint32_t f_bavail;
339 uint32_t f_files;
340 uint32_t f_ffree;
341 tgt_fsid_t f_fsid;
342 uint32_t f_namelen;
343 uint32_t f_frsize;
344 uint32_t f_flags;
345 uint32_t f_spare[4];
346 } tgt_statfs;
347
348 typedef struct {
349 int32_t uptime;
350 uint32_t loads[3];
351 uint32_t totalram;
352 uint32_t freeram;
353 uint32_t sharedram;
354 uint32_t bufferram;
355 uint32_t totalswap;
356 uint32_t freeswap;
357 uint16_t procs;
358 uint16_t pad;
359 uint32_t totalhigh;
360 uint32_t freehigh;
361 uint32_t mem_unit;
362 } tgt_sysinfo;
363
364 static void
365 archClone(uint64_t flags,
366 Process *pp, Process *cp,
367 ThreadContext *ptc, ThreadContext *ctc,
368 uint64_t stack, uint64_t tls)
369 {
370 RiscvISA::copyRegs(ptc, ctc);
371 if (stack)
372 ctc->setIntReg(RiscvISA::StackPointerReg, stack);
373 }
374};
375
376#endif
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