sh4 target (Samuel Tardieu)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1861 c046a42c-6fe2-441c-8c8c-71466251a162

7 files changed, 651 insertions, 3 deletions

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 14c00852a4..98c6e3f85c 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -274,6 +274,30 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
 
 #endif /* TARGET_MIPS */
 
+#ifdef TARGET_SH4
+
+#define ELF_START_MMAP 0x80000000
+
+#define elf_check_arch(x) ( (x) == EM_SH )
+
+#define ELF_CLASS ELFCLASS32
+#define ELF_DATA  ELFDATA2LSB
+#define ELF_ARCH  EM_SH
+
+#define ELF_PLAT_INIT(_r) /* XXXXX */
+
+static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
+{
+  /* Check other registers XXXXX */
+  regs->pc = infop->entry;
+  regs->regs[15] = infop->start_stack - 16 * 4;
+}
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE        4096
+
+#endif
+
 #ifndef ELF_PLATFORM
 #define ELF_PLATFORM (NULL)
 #endif
diff --git a/linux-user/main.c b/linux-user/main.c
index 1f4720516d..78f45a5f9f 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -1387,6 +1387,38 @@ void cpu_loop(CPUMIPSState *env)
 }
 #endif
 
+#ifdef TARGET_SH4
+void cpu_loop (CPUState *env)
+{
+    int trapnr, ret;
+    //    target_siginfo_t info;
+    
+    while (1) {
+        trapnr = cpu_sh4_exec (env);
+        
+        switch (trapnr) {
+        case 0x160:
+            ret = do_syscall(env, 
+                             env->gregs[0x13], 
+                             env->gregs[0x14], 
+                             env->gregs[0x15], 
+                             env->gregs[0x16], 
+                             env->gregs[0x17], 
+                             env->gregs[0x10], 
+                             0);
+            env->gregs[0x10] = ret;
+            env->pc += 2;
+            break;
+        default:
+            printf ("Unhandled trap: 0x%x\n", trapnr);
+            cpu_dump_state(env, stderr, fprintf, 0);
+            exit (1);
+        }
+        process_pending_signals (env);
+    }
+}
+#endif
+
 void usage(void)
 {
     printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
@@ -1665,6 +1697,15 @@ int main(int argc, char **argv)
         }
         env->PC = regs->cp0_epc;
     }
+#elif defined(TARGET_SH4)
+    {
+        int i;
+
+        for(i = 0; i < 16; i++) {
+            env->gregs[i] = regs->regs[i];
+        }
+        env->pc = regs->pc;
+    }
 #else
 #error unsupported target CPU
 #endif
diff --git a/linux-user/sh4/syscall.h b/linux-user/sh4/syscall.h
new file mode 100644
index 0000000000..014bf58fc3
--- /dev/null
+++ b/linux-user/sh4/syscall.h
@@ -0,0 +1,12 @@
+struct target_pt_regs {
+        unsigned long regs[16];
+        unsigned long pc;
+        unsigned long pr;
+        unsigned long sr;
+        unsigned long gbr;
+        unsigned long mach;
+        unsigned long macl;
+        long tra;
+};
+
+#define UNAME_MACHINE "sh4"
diff --git a/linux-user/sh4/syscall_nr.h b/linux-user/sh4/syscall_nr.h
new file mode 100644
index 0000000000..c91ba1b3db
--- /dev/null
+++ b/linux-user/sh4/syscall_nr.h
@@ -0,0 +1,292 @@
+/*
+ * This file contains the system call numbers.
+ */
+
+#define TARGET_NR_restart_syscall	  0
+#define TARGET_NR_exit		  1
+#define TARGET_NR_fork		  2
+#define TARGET_NR_read		  3
+#define TARGET_NR_write		  4
+#define TARGET_NR_open		  5
+#define TARGET_NR_close		  6
+#define TARGET_NR_waitpid		  7
+#define TARGET_NR_creat		  8
+#define TARGET_NR_link		  9
+#define TARGET_NR_unlink		 10
+#define TARGET_NR_execve		 11
+#define TARGET_NR_chdir		 12
+#define TARGET_NR_time		 13
+#define TARGET_NR_mknod		 14
+#define TARGET_NR_chmod		 15
+#define TARGET_NR_lchown		 16
+#define TARGET_NR_break		 17
+#define TARGET_NR_oldstat		 18
+#define TARGET_NR_lseek		 19
+#define TARGET_NR_getpid		 20
+#define TARGET_NR_mount		 21
+#define TARGET_NR_umount		 22
+#define TARGET_NR_setuid		 23
+#define TARGET_NR_getuid		 24
+#define TARGET_NR_stime		 25
+#define TARGET_NR_ptrace		 26
+#define TARGET_NR_alarm		 27
+#define TARGET_NR_oldfstat		 28
+#define TARGET_NR_pause		 29
+#define TARGET_NR_utime		 30
+#define TARGET_NR_stty		 31
+#define TARGET_NR_gtty		 32
+#define TARGET_NR_access		 33
+#define TARGET_NR_nice		 34
+#define TARGET_NR_ftime		 35
+#define TARGET_NR_sync		 36
+#define TARGET_NR_kill		 37
+#define TARGET_NR_rename		 38
+#define TARGET_NR_mkdir		 39
+#define TARGET_NR_rmdir		 40
+#define TARGET_NR_dup		 41
+#define TARGET_NR_pipe		 42
+#define TARGET_NR_times		 43
+#define TARGET_NR_prof		 44
+#define TARGET_NR_brk		 45
+#define TARGET_NR_setgid		 46
+#define TARGET_NR_getgid		 47
+#define TARGET_NR_signal		 48
+#define TARGET_NR_geteuid		 49
+#define TARGET_NR_getegid		 50
+#define TARGET_NR_acct		 51
+#define TARGET_NR_umount2		 52
+#define TARGET_NR_lock		 53
+#define TARGET_NR_ioctl		 54
+#define TARGET_NR_fcntl		 55
+#define TARGET_NR_mpx		 56
+#define TARGET_NR_setpgid		 57
+#define TARGET_NR_ulimit		 58
+#define TARGET_NR_oldolduname	 59
+#define TARGET_NR_umask		 60
+#define TARGET_NR_chroot		 61
+#define TARGET_NR_ustat		 62
+#define TARGET_NR_dup2		 63
+#define TARGET_NR_getppid		 64
+#define TARGET_NR_getpgrp		 65
+#define TARGET_NR_setsid		 66
+#define TARGET_NR_sigaction		 67
+#define TARGET_NR_sgetmask		 68
+#define TARGET_NR_ssetmask		 69
+#define TARGET_NR_setreuid		 70
+#define TARGET_NR_setregid		 71
+#define TARGET_NR_sigsuspend		 72
+#define TARGET_NR_sigpending		 73
+#define TARGET_NR_sethostname	 74
+#define TARGET_NR_setrlimit		 75
+#define TARGET_NR_getrlimit	 	 76	/* Back compatible 2Gig limited rlimit */
+#define TARGET_NR_getrusage		 77
+#define TARGET_NR_gettimeofday	 78
+#define TARGET_NR_settimeofday	 79
+#define TARGET_NR_getgroups		 80
+#define TARGET_NR_setgroups		 81
+#define TARGET_NR_select		 82
+#define TARGET_NR_symlink		 83
+#define TARGET_NR_oldlstat		 84
+#define TARGET_NR_readlink		 85
+#define TARGET_NR_uselib		 86
+#define TARGET_NR_swapon		 87
+#define TARGET_NR_reboot		 88
+#define TARGET_NR_readdir		 89
+#define TARGET_NR_mmap		 90
+#define TARGET_NR_munmap		 91
+#define TARGET_NR_truncate		 92
+#define TARGET_NR_ftruncate		 93
+#define TARGET_NR_fchmod		 94
+#define TARGET_NR_fchown		 95
+#define TARGET_NR_getpriority	 96
+#define TARGET_NR_setpriority	 97
+#define TARGET_NR_profil		 98
+#define TARGET_NR_statfs		 99
+#define TARGET_NR_fstatfs		100
+#define TARGET_NR_ioperm		101
+#define TARGET_NR_socketcall		102
+#define TARGET_NR_syslog		103
+#define TARGET_NR_setitimer		104
+#define TARGET_NR_getitimer		105
+#define TARGET_NR_stat		106
+#define TARGET_NR_lstat		107
+#define TARGET_NR_fstat		108
+#define TARGET_NR_olduname		109
+#define TARGET_NR_iopl		110
+#define TARGET_NR_vhangup		111
+#define TARGET_NR_idle		112
+#define TARGET_NR_vm86old		113
+#define TARGET_NR_wait4		114
+#define TARGET_NR_swapoff		115
+#define TARGET_NR_sysinfo		116
+#define TARGET_NR_ipc		117
+#define TARGET_NR_fsync		118
+#define TARGET_NR_sigreturn		119
+#define TARGET_NR_clone		120
+#define TARGET_NR_setdomainname	121
+#define TARGET_NR_uname		122
+#define TARGET_NR_modify_ldt		123
+#define TARGET_NR_adjtimex		124
+#define TARGET_NR_mprotect		125
+#define TARGET_NR_sigprocmask	126
+#define TARGET_NR_create_module	127
+#define TARGET_NR_init_module	128
+#define TARGET_NR_delete_module	129
+#define TARGET_NR_get_kernel_syms	130
+#define TARGET_NR_quotactl		131
+#define TARGET_NR_getpgid		132
+#define TARGET_NR_fchdir		133
+#define TARGET_NR_bdflush		134
+#define TARGET_NR_sysfs		135
+#define TARGET_NR_personality	136
+#define TARGET_NR_afs_syscall	137 /* Syscall for Andrew File System */
+#define TARGET_NR_setfsuid		138
+#define TARGET_NR_setfsgid		139
+#define TARGET_NR__llseek		140
+#define TARGET_NR_getdents		141
+#define TARGET_NR__newselect		142
+#define TARGET_NR_flock		143
+#define TARGET_NR_msync		144
+#define TARGET_NR_readv		145
+#define TARGET_NR_writev		146
+#define TARGET_NR_getsid		147
+#define TARGET_NR_fdatasync		148
+#define TARGET_NR__sysctl		149
+#define TARGET_NR_mlock		150
+#define TARGET_NR_munlock		151
+#define TARGET_NR_mlockall		152
+#define TARGET_NR_munlockall		153
+#define TARGET_NR_sched_setparam		154
+#define TARGET_NR_sched_getparam		155
+#define TARGET_NR_sched_setscheduler		156
+#define TARGET_NR_sched_getscheduler		157
+#define TARGET_NR_sched_yield		158
+#define TARGET_NR_sched_get_priority_max	159
+#define TARGET_NR_sched_get_priority_min	160
+#define TARGET_NR_sched_rr_get_interval	161
+#define TARGET_NR_nanosleep		162
+#define TARGET_NR_mremap		163
+#define TARGET_NR_setresuid		164
+#define TARGET_NR_getresuid		165
+#define TARGET_NR_vm86		166
+#define TARGET_NR_query_module	167
+#define TARGET_NR_poll		168
+#define TARGET_NR_nfsservctl		169
+#define TARGET_NR_setresgid		170
+#define TARGET_NR_getresgid		171
+#define TARGET_NR_prctl              172
+#define TARGET_NR_rt_sigreturn	173
+#define TARGET_NR_rt_sigaction	174
+#define TARGET_NR_rt_sigprocmask	175
+#define TARGET_NR_rt_sigpending	176
+#define TARGET_NR_rt_sigtimedwait	177
+#define TARGET_NR_rt_sigqueueinfo	178
+#define TARGET_NR_rt_sigsuspend	179
+#define TARGET_NR_pread64		180
+#define TARGET_NR_pwrite64		181
+#define TARGET_NR_chown		182
+#define TARGET_NR_getcwd		183
+#define TARGET_NR_capget		184
+#define TARGET_NR_capset		185
+#define TARGET_NR_sigaltstack	186
+#define TARGET_NR_sendfile		187
+#define TARGET_NR_streams1		188	/* some people actually want it */
+#define TARGET_NR_streams2		189	/* some people actually want it */
+#define TARGET_NR_vfork		190
+#define TARGET_NR_ugetrlimit		191	/* SuS compliant getrlimit */
+#define TARGET_NR_mmap2		192
+#define TARGET_NR_truncate64		193
+#define TARGET_NR_ftruncate64	194
+#define TARGET_NR_stat64		195
+#define TARGET_NR_lstat64		196
+#define TARGET_NR_fstat64		197
+#define TARGET_NR_lchown32		198
+#define TARGET_NR_getuid32		199
+#define TARGET_NR_getgid32		200
+#define TARGET_NR_geteuid32		201
+#define TARGET_NR_getegid32		202
+#define TARGET_NR_setreuid32		203
+#define TARGET_NR_setregid32		204
+#define TARGET_NR_getgroups32	205
+#define TARGET_NR_setgroups32	206
+#define TARGET_NR_fchown32		207
+#define TARGET_NR_setresuid32	208
+#define TARGET_NR_getresuid32	209
+#define TARGET_NR_setresgid32	210
+#define TARGET_NR_getresgid32	211
+#define TARGET_NR_chown32		212
+#define TARGET_NR_setuid32		213
+#define TARGET_NR_setgid32		214
+#define TARGET_NR_setfsuid32		215
+#define TARGET_NR_setfsgid32		216
+#define TARGET_NR_pivot_root		217
+#define TARGET_NR_mincore		218
+#define TARGET_NR_madvise		219
+#define TARGET_NR_getdents64		220
+#define TARGET_NR_fcntl64		221
+/* 223 is unused */
+#define TARGET_NR_gettid		224
+#define TARGET_NR_setxattr		226
+#define TARGET_NR_lsetxattr		227
+#define TARGET_NR_fsetxattr		228
+#define TARGET_NR_getxattr		229
+#define TARGET_NR_lgetxattr		230
+#define TARGET_NR_fgetxattr		231
+#define TARGET_NR_listxattr		232
+#define TARGET_NR_llistxattr		233
+#define TARGET_NR_flistxattr		234
+#define TARGET_NR_removexattr	235
+#define TARGET_NR_lremovexattr	236
+#define TARGET_NR_fremovexattr	237
+#define TARGET_NR_tkill		238
+#define TARGET_NR_sendfile64		239
+#define TARGET_NR_futex		240
+#define TARGET_NR_sched_setaffinity	241
+#define TARGET_NR_sched_getaffinity	242
+#define TARGET_NR_set_thread_area	243
+#define TARGET_NR_get_thread_area	244
+#define TARGET_NR_io_setup		245
+#define TARGET_NR_io_destroy		246
+#define TARGET_NR_io_getevents	247
+#define TARGET_NR_io_submit		248
+#define TARGET_NR_io_cancel		249
+#define TARGET_NR_fadvise64		250
+
+#define TARGET_NR_exit_group		252
+#define TARGET_NR_lookup_dcookie	253
+#define TARGET_NR_epoll_create	254
+#define TARGET_NR_epoll_ctl		255
+#define TARGET_NR_epoll_wait		256
+#define TARGET_NR_remap_file_pages	257
+#define TARGET_NR_set_tid_address	258
+#define TARGET_NR_timer_create	259
+#define TARGET_NR_timer_settime	(TARGET_NR_timer_create+1)
+#define TARGET_NR_timer_gettime	(TARGET_NR_timer_create+2)
+#define TARGET_NR_timer_getoverrun	(TARGET_NR_timer_create+3)
+#define TARGET_NR_timer_delete	(TARGET_NR_timer_create+4)
+#define TARGET_NR_clock_settime	(TARGET_NR_timer_create+5)
+#define TARGET_NR_clock_gettime	(TARGET_NR_timer_create+6)
+#define TARGET_NR_clock_getres	(TARGET_NR_timer_create+7)
+#define TARGET_NR_clock_nanosleep	(TARGET_NR_timer_create+8)
+#define TARGET_NR_statfs64		268
+#define TARGET_NR_fstatfs64		269
+#define TARGET_NR_tgkill		270
+#define TARGET_NR_utimes		271
+#define TARGET_NR_fadvise64_64	272
+#define TARGET_NR_vserver		273
+#define TARGET_NR_mbind              274
+#define TARGET_NR_get_mempolicy      275
+#define TARGET_NR_set_mempolicy      276
+#define TARGET_NR_mq_open            277
+#define TARGET_NR_mq_unlink          (TARGET_NR_mq_open+1)
+#define TARGET_NR_mq_timedsend       (TARGET_NR_mq_open+2)
+#define TARGET_NR_mq_timedreceive    (TARGET_NR_mq_open+3)
+#define TARGET_NR_mq_notify          (TARGET_NR_mq_open+4)
+#define TARGET_NR_mq_getsetattr      (TARGET_NR_mq_open+5)
+#define TARGET_NR_sys_kexec_load	283
+#define TARGET_NR_waitid		284
+#define TARGET_NR_add_key		285
+#define TARGET_NR_request_key	286
+#define TARGET_NR_keyctl		287
+
+#define TARGET_NR_readahead             225        /* XXXXX */
diff --git a/linux-user/sh4/termbits.h b/linux-user/sh4/termbits.h
new file mode 100644
index 0000000000..6dd5845bc9
--- /dev/null
+++ b/linux-user/sh4/termbits.h
@@ -0,0 +1,274 @@
+/* from asm/termbits.h */
+
+#define TARGET_NCCS 19
+
+struct target_termios {
+	unsigned int c_iflag;			/* input mode flags */
+	unsigned int c_oflag;			/* output mode flags */
+	unsigned int c_cflag;			/* control mode flags */
+	unsigned int c_lflag;			/* local mode flags */
+	unsigned char c_line;			/* line discipline */
+	unsigned char c_cc[TARGET_NCCS];	/* control characters */
+};
+
+/* c_cc characters */
+#define TARGET_VINTR 0
+#define TARGET_VQUIT 1
+#define TARGET_VERASE 2
+#define TARGET_VKILL 3
+#define TARGET_VEOF 4
+#define TARGET_VTIME 5
+#define TARGET_VMIN 6
+#define TARGET_VSWTC 7
+#define TARGET_VSTART 8
+#define TARGET_VSTOP 9
+#define TARGET_VSUSP 10
+#define TARGET_VEOL 11
+#define TARGET_VREPRINT 12
+#define TARGET_VDISCARD 13
+#define TARGET_VWERASE 14
+#define TARGET_VLNEXT 15
+#define TARGET_VEOL2 16
+
+/* c_iflag bits */
+#define TARGET_IGNBRK	0000001
+#define TARGET_BRKINT	0000002
+#define TARGET_IGNPAR	0000004
+#define TARGET_PARMRK	0000010
+#define TARGET_INPCK	0000020
+#define TARGET_ISTRIP	0000040
+#define TARGET_INLCR	0000100
+#define TARGET_IGNCR	0000200
+#define TARGET_ICRNL	0000400
+#define TARGET_IUCLC	0001000
+#define TARGET_IXON	0002000
+#define TARGET_IXANY	0004000
+#define TARGET_IXOFF	0010000
+#define TARGET_IMAXBEL	0020000
+#define TARGET_IUTF8	0040000
+
+/* c_oflag bits */
+#define TARGET_OPOST	0000001
+#define TARGET_OLCUC	0000002
+#define TARGET_ONLCR	0000004
+#define TARGET_OCRNL	0000010
+#define TARGET_ONOCR	0000020
+#define TARGET_ONLRET	0000040
+#define TARGET_OFILL	0000100
+#define TARGET_OFDEL	0000200
+#define TARGET_NLDLY	0000400
+#define TARGET_NL0	0000000
+#define TARGET_NL1	0000400
+#define TARGET_CRDLY	0003000
+#define TARGET_CR0	0000000
+#define TARGET_CR1	0001000
+#define TARGET_CR2	0002000
+#define TARGET_CR3	0003000
+#define TARGET_TABDLY	0014000
+#define TARGET_TAB0	0000000
+#define TARGET_TAB1	0004000
+#define TARGET_TAB2	0010000
+#define TARGET_TAB3	0014000
+#define TARGET_XTABS	0014000
+#define TARGET_BSDLY	0020000
+#define TARGET_BS0	0000000
+#define TARGET_BS1	0020000
+#define TARGET_VTDLY	0040000
+#define TARGET_VT0	0000000
+#define TARGET_VT1	0040000
+#define TARGET_FFDLY	0100000
+#define TARGET_FF0	0000000
+#define TARGET_FF1	0100000
+
+/* c_cflag bit meaning */
+#define TARGET_CBAUD	0010017
+#define TARGET_B0	0000000		/* hang up */
+#define TARGET_B50	0000001
+#define TARGET_B75	0000002
+#define TARGET_B110	0000003
+#define TARGET_B134	0000004
+#define TARGET_B150	0000005
+#define TARGET_B200	0000006
+#define TARGET_B300	0000007
+#define TARGET_B600	0000010
+#define TARGET_B1200	0000011
+#define TARGET_B1800	0000012
+#define TARGET_B2400	0000013
+#define TARGET_B4800	0000014
+#define TARGET_B9600	0000015
+#define TARGET_B19200	0000016
+#define TARGET_B38400	0000017
+#define TARGET_EXTA B19200
+#define TARGET_EXTB B38400
+#define TARGET_CSIZE	0000060
+#define TARGET_CS5	0000000
+#define TARGET_CS6	0000020
+#define TARGET_CS7	0000040
+#define TARGET_CS8	0000060
+#define TARGET_CSTOPB	0000100
+#define TARGET_CREAD	0000200
+#define TARGET_PARENB	0000400
+#define TARGET_PARODD	0001000
+#define TARGET_HUPCL	0002000
+#define TARGET_CLOCAL	0004000
+#define TARGET_CBAUDEX 0010000
+#define TARGET_B57600 0010001
+#define TARGET_B115200 0010002
+#define TARGET_B230400 0010003
+#define TARGET_B460800 0010004
+#define TARGET_B500000 0010005
+#define TARGET_B576000 0010006
+#define TARGET_B921600 0010007
+#define TARGET_B1000000 0010010
+#define TARGET_B1152000 0010011
+#define TARGET_B1500000 0010012
+#define TARGET_B2000000 0010013
+#define TARGET_B2500000 0010014
+#define TARGET_B3000000 0010015
+#define TARGET_B3500000 0010016
+#define TARGET_B4000000 0010017
+#define TARGET_CIBAUD	  002003600000	/* input baud rate (not used) */
+#define TARGET_CMSPAR	  010000000000		/* mark or space (stick) parity */
+#define TARGET_CRTSCTS	  020000000000		/* flow control */
+
+/* c_lflag bits */
+#define TARGET_ISIG	0000001
+#define TARGET_ICANON	0000002
+#define TARGET_XCASE	0000004
+#define TARGET_ECHO	0000010
+#define TARGET_ECHOE	0000020
+#define TARGET_ECHOK	0000040
+#define TARGET_ECHONL	0000100
+#define TARGET_NOFLSH	0000200
+#define TARGET_TOSTOP	0000400
+#define TARGET_ECHOCTL	0001000
+#define TARGET_ECHOPRT	0002000
+#define TARGET_ECHOKE	0004000
+#define TARGET_FLUSHO	0010000
+#define TARGET_PENDIN	0040000
+#define TARGET_IEXTEN	0100000
+
+/* tcflow() and TCXONC use these */
+#define TARGET_TCOOFF		0
+#define TARGET_TCOON		1
+#define TARGET_TCIOFF		2
+#define TARGET_TCION		3
+
+/* tcflush() and TCFLSH use these */
+#define TARGET_TCIFLUSH	0
+#define TARGET_TCOFLUSH	1
+#define TARGET_TCIOFLUSH	2
+
+/* tcsetattr uses these */
+#define TARGET_TCSANOW		0
+#define TARGET_TCSADRAIN	1
+#define TARGET_TARGET_TCSAFLUSH	2
+
+/* ioctl */
+#define TARGET_FIOCLEX         TARGET_IO('f', 1)
+#define TARGET_FIONCLEX        TARGET_IO('f', 2)
+#define TARGET_FIOASYNC        TARGET_IOW('f', 125, int)
+#define TARGET_FIONBIO         TARGET_IOW('f', 126, int)
+#define TARGET_FIONREAD        TARGET_IOR('f', 127, int)
+#define TARGET_TIOCINQ         TARGET_FIONREAD
+#define TARGET_FIOQSIZE        TARGET_IOR('f', 128, loff_t)
+#define TARGET_TCGETS          0x5401
+#define TARGET_TCSETS          0x5402
+#define TARGET_TCSETSW         0x5403
+#define TARGET_TCSETSF         0x5404
+#define TARGET_TCGETA          TARGET_IOR('t', 23, struct termio)
+#define TARGET_TIOCSWINSZ      TARGET_IOW('t', 103, struct winsize)
+#define TARGET_TIOCGWINSZ      TARGET_IOR('t', 104, struct winsize)
+#define TARGET_TIOCSTART       TARGET_IO('t', 110)           /* start output, like ^Q */
+#define TARGET_TIOCSTOP        TARGET_IO('t', 111)           /* stop output, like ^S */
+#define TARGET_TIOCOUTQ        TARGET_IOR('t', 115, int)     /* output queue size */
+
+#define TARGET_TIOCSPGRP       TARGET_IOW('t', 118, int)
+#define TARGET_TIOCGPGRP       TARGET_IOR('t', 119, int)
+
+#define TARGET_TCSETA          TARGET_IOW('t', 24, struct termio)
+#define TARGET_TCSETAW         TARGET_IOW('t', 25, struct termio)
+#define TARGET_TCSETAF         TARGET_IOW('t', 28, struct termio)
+#define TARGET_TCSBRK          TARGET_IO('t', 29)
+#define TARGET_TCXONC          TARGET_IO('t', 30)
+#define TARGET_TCFLSH          TARGET_IO('t', 31)
+
+#define TARGET_TIOCSWINSZ      TARGET_IOW('t', 103, struct winsize)
+#define TARGET_TIOCGWINSZ      TARGET_IOR('t', 104, struct winsize)
+#define TARGET_TIOCSTART       TARGET_IO('t', 110)           /* start output, like ^Q */
+#define TARGET_TIOCSTOP        TARGET_IO('t', 111)           /* stop output, like ^S */
+#define TARGET_TIOCOUTQ        TARGET_IOR('t', 115, int)     /* output queue size */
+
+#define TARGET_TIOCSPGRP       TARGET_IOW('t', 118, int)
+#define TARGET_TIOCGPGRP       TARGET_IOR('t', 119, int)
+#define TARGET_TIOCEXCL        TARGET_IO('T', 12) /* 0x540C */
+#define TARGET_TIOCNXCL        TARGET_IO('T', 13) /* 0x540D */
+#define TARGET_TIOCSCTTY       TARGET_IO('T', 14) /* 0x540E */
+
+#define TARGET_TIOCSTI         TARGET_IOW('T', 18, char) /* 0x5412 */
+#define TARGET_TIOCMGET        TARGET_IOR('T', 21, unsigned int) /* 0x5415 */
+#define TARGET_TIOCMBIS        TARGET_IOW('T', 22, unsigned int) /* 0x5416 */
+#define TARGET_TIOCMBIC        TARGET_IOW('T', 23, unsigned int) /* 0x5417 */
+#define TARGET_TIOCMSET        TARGET_IOW('T', 24, unsigned int) /* 0x5418 */
+#define TARGET_TIOCM_LE       0x001
+#define TARGET_TIOCM_DTR      0x002
+#define TARGET_TIOCM_RTS      0x004
+#define TARGET_TIOCM_ST       0x008
+#define TARGET_TIOCM_SR       0x010
+#define TARGET_TIOCM_CTS      0x020
+#define TARGET_TIOCM_CAR      0x040
+#define TARGET_TIOCM_RNG      0x080
+#define TARGET_TIOCM_DSR      0x100
+#define TARGET_TIOCM_CD       TARGET_TIOCM_CAR
+#define TARGET_TIOCM_RI       TARGET_TIOCM_RNG
+
+#define TARGET_TIOCGSOFTCAR    TARGET_IOR('T', 25, unsigned int) /* 0x5419 */
+#define TARGET_TIOCSSOFTCAR    TARGET_IOW('T', 26, unsigned int) /* 0x541A */
+#define TARGET_TIOCLINUX       TARGET_IOW('T', 28, char) /* 0x541C */
+#define TARGET_TIOCCONS        TARGET_IO('T', 29) /* 0x541D */
+#define TARGET_TIOCGSERIAL     TARGET_IOR('T', 30, int) /* 0x541E */
+#define TARGET_TIOCSSERIAL     TARGET_IOW('T', 31, int) /* 0x541F */
+#define TARGET_TIOCPKT         TARGET_IOW('T', 32, int) /* 0x5420 */
+#define TARGET_TIOCPKT_DATA            0
+#define TARGET_TIOCPKT_FLUSHREAD       1
+#define TARGET_TIOCPKT_FLUSHWRITE      2
+#define TARGET_TIOCPKT_STOP            4
+#define TARGET_TIOCPKT_START           8
+#define TARGET_TIOCPKT_NOSTOP         16
+#define TARGET_TIOCPKT_DOSTOP         32
+
+
+#define TARGET_TIOCNOTTY       TARGET_IO('T', 34) /* 0x5422 */
+#define TARGET_TIOCSETD        TARGET_IOW('T', 35, int) /* 0x5423 */
+#define TARGET_TIOCGETD        TARGET_IOR('T', 36, int) /* 0x5424 */
+#define TARGET_TCSBRKP         TARGET_IOW('T', 37, int) /* 0x5425 */ /* Needed for POSIX tcse
+ndbreak() */
+#define TARGET_TIOCSBRK        TARGET_IO('T', 39) /* 0x5427 */ /* BSD compatibility */
+#define TARGET_TIOCCBRK        TARGET_IO('T', 40) /* 0x5428 */ /* BSD compatibility */
+#define TARGET_TIOCGSID        TARGET_IOR('T', 41, pid_t) /* 0x5429 */ /* Return the session 
+ID of FD */
+#define TARGET_TIOCGPTN        TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-m
+ux device) */
+#define TARGET_TIOCSPTLCK      TARGET_IOW('T',0x31, int)  /* Lock/unlock Pty */
+
+
+#define TARGET_TIOCSERCONFIG   TARGET_IO('T', 83) /* 0x5453 */
+#define TARGET_TIOCSERGWILD    TARGET_IOR('T', 84,  int) /* 0x5454 */
+#define TARGET_TIOCSERSWILD    TARGET_IOW('T', 85,  int) /* 0x5455 */
+#define TARGET_TIOCGLCKTRMIOS  0x5456
+#define TARGET_TIOCSLCKTRMIOS  0x5457
+#define TARGET_TIOCSERGSTRUCT  TARGET_IOR('T', 88, int) /* 0x5458 */ /* For d
+ebugging only */
+#define TARGET_TIOCSERGETLSR   TARGET_IOR('T', 89, unsigned int) /* 0x5459 */ /* Get line sta
+tus register */
+  /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
+# define TIOCSER_TEMT    0x01   /* Transmitter physically empty */
+#define TARGET_TIOCSERGETMULTI TARGET_IOR('T', 90, int) /* 0x545A 
+*/ /* Get multiport config  */
+#define TARGET_TIOCSERSETMULTI TARGET_IOW('T', 91, int) /* 0x545B 
+*/ /* Set multiport config */
+
+#define TARGET_TIOCMIWAIT      TARGET_IO('T', 92) /* 0x545C */       /* wait for a change on 
+serial input line(s) */
+#define TARGET_TIOCGICOUNT     TARGET_IOR('T', 93, int) /* 0x545D */ /* read 
+serial port inline interrupt counts */
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index c3b22ce721..7da469aa89 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1618,6 +1618,11 @@ int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
             for (i = 7; i < 32; i++)
                 new_env->gpr[i] = 0;
         }
+#elif defined(TARGET_SH4)
+	if (!newsp)
+	  newsp = env->gregs[15];
+	new_env->gregs[15] = newsp;
+	/* XXXXX */
 #else
 #error unsupported target CPU
 #endif
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index c722e3a427..4e2dd17def 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -48,7 +48,7 @@
 #define TARGET_IOC_NRBITS	8
 #define TARGET_IOC_TYPEBITS	8
 
-#if defined(TARGET_I386) || defined(TARGET_ARM)
+#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SH4)
 
 #define TARGET_IOC_SIZEBITS	14
 #define TARGET_IOC_DIRBITS	2
@@ -293,7 +293,7 @@ struct target_sigaction;
 int do_sigaction(int sig, const struct target_sigaction *act,
                  struct target_sigaction *oact);
 
-#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_MIPS)
+#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_MIPS) || defined (TARGET_SH4)
 
 #if defined(TARGET_SPARC)
 #define TARGET_SA_NOCLDSTOP    8u
@@ -863,7 +863,7 @@ struct target_winsize {
 #define TARGET_MAP_NORESERVE	0x4000		/* don't check for reservations */
 #endif
 
-#if defined(TARGET_I386) || defined(TARGET_ARM)
+#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SH4)
 struct target_stat {
 	unsigned short st_dev;
 	unsigned short __pad1;