microblaze port

based on initial work by rdp, with heavy modifications. some features
including threads are untested because qemu app-level emulation seems
to be broken and I do not have a proper system image for testing.

arch/microblaze/atomic.h

+#ifndef _INTERNAL_ATOMIC_H
+#define _INTERNAL_ATOMIC_H
+
+#include <stdint.h>
+
+static inline int a_ctz_l(unsigned long x)
+{
+	static const char debruijn32[32] = {
+		0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13,
+		31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14
+	};
+	return debruijn32[(x&-x)*0x076be629 >> 27];
+}
+
+static inline int a_ctz_64(uint64_t x)
+{
+	uint32_t y = x;
+	if (!y) {
+		y = x>>32;
+		return 32 + a_ctz_l(y);
+	}
+	return a_ctz_l(y);
+}
+
+static inline int a_cas_1(volatile int *p, int t, int s)
+{
+	register int tmp;
+	do {
+		__asm__ __volatile__ ("lwx %0, %1, r0"
+			: "=r"(tmp) : "r"(p) : "memory");
+		if (tmp != t) return tmp;
+		__asm__ __volatile__ ("swx %2, %1, r0 ; addic %0, r0, 0"
+			: "=r"(tmp) : "r"(p), "r"(s) : "cc", "memory");
+	} while (tmp);
+	return t;
+}
+
+static inline int a_cas(volatile int *p, int t, int s)
+{
+	register int old, tmp;
+	__asm__ __volatile__ (
+		"	addi %0, r0, 0\n"
+		"1:	lwx %0, %2, r0\n"
+		"	rsubk %1, %0, %3\n"
+		"	bnei %1, 1f\n"
+		"	swx %4, %2, r0\n"
+		"	addic %1, r0, 0\n"
+		"	bnei %1, 1b\n"
+		"1:	"
+		: "=&r"(old), "=&r"(tmp)
+		: "r"(p), "r"(t), "r"(s)
+		: "cc", "memory" );
+	return old;
+}
+
+static inline void *a_cas_p(volatile void *p, void *t, void *s)
+{
+	return (void *)a_cas(p, (int)t, (int)s);
+}
+
+static inline long a_cas_l(volatile void *p, long t, long s)
+{
+	return a_cas(p, t, s);
+}
+
+static inline int a_swap(volatile int *x, int v)
+{
+	register int old, tmp;
+	__asm__ __volatile__ (
+		"	addi %0, r0, 0\n"
+		"1:	lwx %0, %2, r0\n"
+		"	swx %3, %2, r0\n"
+		"	addic %1, r0, 0\n"
+		"	bnei %1, 1b\n"
+		"1:	"
+		: "=&r"(old), "=&r"(tmp)
+		: "r"(x), "r"(v)
+		: "cc", "memory" );
+	return old;
+}
+
+static inline int a_fetch_add(volatile int *x, int v)
+{
+	register int new, tmp;
+	__asm__ __volatile__ (
+		"	addi %0, r0, 0\n"
+		"1:	lwx %0, %2, r0\n"
+		"	addk %0, %0, %3\n"
+		"	swx %0, %2, r0\n"
+		"	addic %1, r0, 0\n"
+		"	bnei %1, 1b\n"
+		"1:	"
+		: "=&r"(new), "=&r"(tmp)
+		: "r"(x), "r"(v)
+		: "cc", "memory" );
+	return new-v;
+}
+
+static inline void a_inc(volatile int *x)
+{
+	a_fetch_add(x, 1);
+}
+
+static inline void a_dec(volatile int *x)
+{
+	a_fetch_add(x, -1);
+}
+
+static inline void a_store(volatile int *p, int x)
+{
+	*p=x;
+}
+
+static inline void a_spin()
+{
+}
+
+static inline void a_crash()
+{
+	*(volatile char *)0=0;
+}
+
+static inline void a_and(volatile int *p, int v)
+{
+	int old;
+	do old = *p;
+	while (a_cas(p, old, old&v) != old);
+}
+
+static inline void a_or(volatile int *p, int v)
+{
+	int old;
+	do old = *p;
+	while (a_cas(p, old, old|v) != old);
+}
+
+static inline void a_and_64(volatile uint64_t *p, uint64_t v)
+{
+	union { uint64_t v; uint32_t r[2]; } u = { v };
+	a_and((int *)p, u.r[0]);
+	a_and((int *)p+1, u.r[1]);
+}
+
+static inline void a_or_64(volatile uint64_t *p, uint64_t v)
+{
+	union { uint64_t v; uint32_t r[2]; } u = { v };
+	a_or((int *)p, u.r[0]);
+	a_or((int *)p+1, u.r[1]);
+}
+
+#endif

arch/microblaze/bits/alltypes.h.sh

+#!/bin/sh
+sed -e << EOF \
+'/^TYPEDEF/s/TYPEDEF \(.*\) \([^ ]*\);$/#if defined(__NEED_\2) \&\& !defined(__DEFINED_\2)\
+typedef \1 \2;\
+#define __DEFINED_\2\
+#endif\
+/
+/^STRUCT/s/STRUCT * \([^ ]*\) \(.*\);$/#if defined(__NEED_struct_\1) \&\& !defined(__DEFINED_struct_\1)\
+struct \1 \2;\
+#define __DEFINED_struct_\1\
+#endif\
+/
+/^UNION/s/UNION * \([^ ]*\) \(.*\);$/#if defined(__NEED_union_\1) \&\& !defined(__DEFINED_union_\1)\
+union \1 \2;\
+#define __DEFINED_union_\1\
+#endif\
+/'
+
+TYPEDEF unsigned size_t;
+TYPEDEF int ssize_t;
+TYPEDEF int ptrdiff_t;
+
+TYPEDEF __builtin_va_list va_list;
+
+#ifndef __cplusplus
+TYPEDEF int wchar_t;
+#endif
+TYPEDEF int wint_t;
+TYPEDEF long wctrans_t;
+TYPEDEF long wctype_t;
+
+TYPEDEF signed char int8_t;
+TYPEDEF short       int16_t;
+TYPEDEF int         int32_t;
+TYPEDEF long long   int64_t;
+
+TYPEDEF unsigned char      uint8_t;
+TYPEDEF unsigned short     uint16_t;
+TYPEDEF unsigned int       uint32_t;
+TYPEDEF unsigned long long uint64_t;
+
+TYPEDEF unsigned short     __uint16_t;
+TYPEDEF unsigned int       __uint32_t;
+TYPEDEF unsigned long long __uint64_t;
+
+TYPEDEF int8_t    int_fast8_t;
+TYPEDEF int       int_fast16_t;
+TYPEDEF int       int_fast32_t;
+TYPEDEF int64_t   int_fast64_t;
+
+TYPEDEF unsigned char      uint_fast8_t;
+TYPEDEF unsigned int       uint_fast16_t;
+TYPEDEF unsigned int       uint_fast32_t;
+TYPEDEF uint64_t           uint_fast64_t;
+
+TYPEDEF long          intptr_t;
+TYPEDEF unsigned long uintptr_t;
+
+TYPEDEF float float_t;
+TYPEDEF double double_t;
+
+TYPEDEF long time_t;
+TYPEDEF int suseconds_t;
+STRUCT timeval { time_t tv_sec; int tv_usec; };
+STRUCT timespec { time_t tv_sec; long tv_nsec; };
+
+TYPEDEF int pid_t;
+TYPEDEF int id_t;
+TYPEDEF int uid_t;
+TYPEDEF int gid_t;
+TYPEDEF int key_t;
+
+TYPEDEF struct __pthread * pthread_t;
+TYPEDEF int pthread_once_t;
+TYPEDEF int pthread_key_t;
+TYPEDEF int pthread_spinlock_t;
+
+TYPEDEF struct { union { int __i[9]; size_t __s[9]; } __u; } pthread_attr_t;
+TYPEDEF unsigned pthread_mutexattr_t;
+TYPEDEF unsigned pthread_condattr_t;
+TYPEDEF unsigned pthread_barrierattr_t;
+TYPEDEF struct { unsigned __attr[2]; } pthread_rwlockattr_t;
+
+TYPEDEF struct { union { int __i[6]; void *__p[6]; } __u; } pthread_mutex_t;
+TYPEDEF struct { union { int __i[12]; void *__p[12]; } __u; } pthread_cond_t;
+TYPEDEF struct { union { int __i[8]; void *__p[8]; } __u; } pthread_rwlock_t;
+TYPEDEF struct { union { int __i[5]; void *__p[5]; } __u; } pthread_barrier_t;
+
+TYPEDEF long long off_t;
+
+TYPEDEF unsigned int mode_t;
+
+TYPEDEF unsigned int nlink_t;
+TYPEDEF unsigned long long ino_t;
+TYPEDEF long long dev_t;
+TYPEDEF long blksize_t;
+TYPEDEF long long blkcnt_t;
+TYPEDEF unsigned long long fsblkcnt_t;
+TYPEDEF unsigned long long fsfilcnt_t;
+
+TYPEDEF void * timer_t;
+TYPEDEF int clockid_t;
+TYPEDEF unsigned long clock_t;
+
+TYPEDEF struct { unsigned long __bits[128/sizeof(long)]; } sigset_t;
+TYPEDEF struct __siginfo siginfo_t;
+
+TYPEDEF unsigned int socklen_t;
+TYPEDEF unsigned short sa_family_t;
+TYPEDEF unsigned short in_port_t;
+TYPEDEF unsigned int in_addr_t;
+STRUCT in_addr { in_addr_t s_addr; };
+
+TYPEDEF struct __FILE_s FILE;
+
+TYPEDEF int nl_item;
+
+TYPEDEF struct __locale * locale_t;
+
+STRUCT iovec { void *iov_base; size_t iov_len; };
+
+EOF

arch/microblaze/bits/endian.h

+#define __BYTE_ORDER __BIG_ENDIAN

arch/microblaze/bits/errno.h

+#define EPERM            1
+#define ENOENT           2
+#define ESRCH            3
+#define EINTR            4
+#define EIO              5
+#define ENXIO            6
+#define E2BIG            7
+#define ENOEXEC          8
+#define EBADF            9
+#define ECHILD          10
+#define EAGAIN          11
+#define ENOMEM          12
+#define EACCES          13
+#define EFAULT          14
+#define ENOTBLK         15
+#define EBUSY           16
+#define EEXIST          17
+#define EXDEV           18
+#define ENODEV          19
+#define ENOTDIR         20
+#define EISDIR          21
+#define EINVAL          22
+#define ENFILE          23
+#define EMFILE          24
+#define ENOTTY          25
+#define ETXTBSY         26
+#define EFBIG           27
+#define ENOSPC          28
+#define ESPIPE          29
+#define EROFS           30
+#define EMLINK          31
+#define EPIPE           32
+#define EDOM            33
+#define ERANGE          34
+#define EDEADLK         35
+#define ENAMETOOLONG    36
+#define ENOLCK          37
+#define ENOSYS          38
+#define ENOTEMPTY       39
+#define ELOOP           40
+#define EWOULDBLOCK     EAGAIN
+#define ENOMSG          42
+#define EIDRM           43
+#define ECHRNG          44
+#define EL2NSYNC        45
+#define EL3HLT          46
+#define EL3RST          47
+#define ELNRNG          48
+#define EUNATCH         49
+#define ENOCSI          50
+#define EL2HLT          51
+#define EBADE           52
+#define EBADR           53
+#define EXFULL          54
+#define ENOANO          55
+#define EBADRQC         56
+#define EBADSLT         57
+#define EDEADLOCK       EDEADLK
+#define EBFONT          59
+#define ENOSTR          60
+#define ENODATA         61
+#define ETIME           62
+#define ENOSR           63
+#define ENONET          64
+#define ENOPKG          65
+#define EREMOTE         66
+#define ENOLINK         67
+#define EADV            68
+#define ESRMNT          69
+#define ECOMM           70
+#define EPROTO          71
+#define EMULTIHOP       72
+#define EDOTDOT         73
+#define EBADMSG         74
+#define EOVERFLOW       75
+#define ENOTUNIQ        76
+#define EBADFD          77
+#define EREMCHG         78
+#define ELIBACC         79
+#define ELIBBAD         80
+#define ELIBSCN         81
+#define ELIBMAX         82
+#define ELIBEXEC        83
+#define EILSEQ          84
+#define ERESTART        85
+#define ESTRPIPE        86
+#define EUSERS          87
+#define ENOTSOCK        88
+#define EDESTADDRREQ    89
+#define EMSGSIZE        90
+#define EPROTOTYPE      91
+#define ENOPROTOOPT     92
+#define EPROTONOSUPPORT 93
+#define ESOCKTNOSUPPORT 94
+#define EOPNOTSUPP      95
+#define ENOTSUP         EOPNOTSUPP
+#define EPFNOSUPPORT    96
+#define EAFNOSUPPORT    97
+#define EADDRINUSE      98
+#define EADDRNOTAVAIL   99
+#define ENETDOWN        100
+#define ENETUNREACH     101
+#define ENETRESET       102
+#define ECONNABORTED    103
+#define ECONNRESET      104
+#define ENOBUFS         105
+#define EISCONN         106
+#define ENOTCONN        107
+#define ESHUTDOWN       108
+#define ETOOMANYREFS    109
+#define ETIMEDOUT       110
+#define ECONNREFUSED    111
+#define EHOSTDOWN       112
+#define EHOSTUNREACH    113
+#define EALREADY        114
+#define EINPROGRESS     115
+#define ESTALE          116
+#define EUCLEAN         117
+#define ENOTNAM         118
+#define ENAVAIL         119
+#define EISNAM          120
+#define EREMOTEIO       121
+#define EDQUOT          122
+#define ENOMEDIUM       123
+#define EMEDIUMTYPE     124
+#define ECANCELED       125
+#define ENOKEY          126
+#define EKEYEXPIRED     127
+#define EKEYREVOKED     128
+#define EKEYREJECTED    129
+#define EOWNERDEAD      130
+#define ENOTRECOVERABLE 131
+#define ERFKILL         132

arch/microblaze/bits/fcntl.h

+#define O_CREAT        0100
+#define O_EXCL         0200
+#define O_NOCTTY       0400
+#define O_TRUNC       01000
+#define O_APPEND      02000
+#define O_NONBLOCK    04000
+#define O_DSYNC      010000
+#define O_SYNC     04010000
+#define O_RSYNC    04010000
+#define O_DIRECTORY 0200000
+#define O_NOFOLLOW  0400000
+#define O_CLOEXEC  02000000
+#define O_SEARCH  010000000
+#define O_EXEC    010000000
+
+#define O_ASYNC      020000
+#define O_DIRECT     040000
+#define O_LARGEFILE 0100000
+#define O_NOATIME  01000000
+#define O_NDELAY O_NONBLOCK
+#define O_PATH    010000000
+
+#define F_DUPFD  0
+#define F_GETFD  1
+#define F_SETFD  2
+#define F_GETFL  3
+#define F_SETFL  4
+
+#define F_SETOWN 8
+#define F_GETOWN 9
+#define F_SETSIG 10
+#define F_GETSIG 11
+
+#define F_GETLK 12
+#define F_SETLK 13
+#define F_SETLKW 14
+
+#define F_SETOWN_EX 15
+#define F_GETOWN_EX 16

arch/microblaze/bits/fenv.h

+#define FE_ALL_EXCEPT 0
+#define FE_TONEAREST  0
+
+typedef unsigned long fexcept_t;
+
+typedef struct {
+	unsigned long __cw;
+} fenv_t;
+
+#define FE_DFL_ENV      ((const fenv_t *) -1)

arch/microblaze/bits/float.h

+#define FLT_ROUNDS 1
+#define FLT_EVAL_METHOD 0
+
+#define LDBL_MIN 2.2250738585072014e-308
+#define LDBL_MAX 1.7976931348623157e+308
+#define LDBL_EPSILON 2.2204460492503131e-16
+
+#define LDBL_MANT_DIG 53
+#define LDBL_MIN_EXP (-1021)
+#define LDBL_MAX_EXP 1024
+
+#define LDBL_DIG 15
+#define LDBL_MIN_10_EXP (-307)
+#define LDBL_MAX_10_EXP 308
+
+#define DECIMAL_DIG 17

arch/microblaze/bits/ioctl.h

+#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) )
+#define _IOC_NONE  0U
+#define _IOC_WRITE 1U
+#define _IOC_READ  2U
+
+#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
+#define _IOW(a,b,c) _IOC(1,(a),(b),sizeof(c))
+#define _IOR(a,b,c) _IOC(2,(a),(b),sizeof(c))
+#define _IOWR(a,b,c) _IOC(3,(a),(b),sizeof(c))
+
+#define TCGETS		0x5401
+#define TCSETS		0x5402
+#define TCSETSW		0x5403
+#define TCSETSF		0x5404
+#define TCGETA		0x5405
+#define TCSETA		0x5406
+#define TCSETAW		0x5407
+#define TCSETAF		0x5408
+#define TCSBRK		0x5409
+#define TCXONC		0x540A
+#define TCFLSH		0x540B
+#define TIOCEXCL	0x540C
+#define TIOCNXCL	0x540D
+#define TIOCSCTTY	0x540E
+#define TIOCGPGRP	0x540F
+#define TIOCSPGRP	0x5410
+#define TIOCOUTQ	0x5411
+#define TIOCSTI		0x5412
+#define TIOCGWINSZ	0x5413
+#define TIOCSWINSZ	0x5414
+#define TIOCMGET	0x5415
+#define TIOCMBIS	0x5416
+#define TIOCMBIC	0x5417
+#define TIOCMSET	0x5418
+#define TIOCGSOFTCAR	0x5419
+#define TIOCSSOFTCAR	0x541A
+#define FIONREAD	0x541B
+#define TIOCINQ		FIONREAD
+#define TIOCLINUX	0x541C
+#define TIOCCONS	0x541D
+#define TIOCGSERIAL	0x541E
+#define TIOCSSERIAL	0x541F
+#define TIOCPKT		0x5420
+#define FIONBIO		0x5421
+#define TIOCNOTTY	0x5422
+#define TIOCSETD	0x5423
+#define TIOCGETD	0x5424
+#define TCSBRKP		0x5425
+#define TIOCTTYGSTRUCT	0x5426
+#define TIOCSBRK	0x5427
+#define TIOCCBRK	0x5428
+#define TIOCGSID	0x5429
+#define TIOCGPTN	0x80045430
+#define TIOCSPTLCK	0x40045431
+#define TCGETX		0x5432
+#define TCSETX		0x5433
+#define TCSETXF		0x5434
+#define TCSETXW		0x5435
+
+#define FIONCLEX	0x5450
+#define FIOCLEX		0x5451
+#define FIOASYNC	0x5452
+#define TIOCSERCONFIG	0x5453
+#define TIOCSERGWILD	0x5454
+#define TIOCSERSWILD	0x5455
+#define TIOCGLCKTRMIOS	0x5456
+#define TIOCSLCKTRMIOS	0x5457
+#define TIOCSERGSTRUCT	0x5458
+#define TIOCSERGETLSR   0x5459
+#define TIOCSERGETMULTI 0x545A
+#define TIOCSERSETMULTI 0x545B
+
+#define TIOCMIWAIT	0x545C
+#define TIOCGICOUNT	0x545D
+#define TIOCGHAYESESP   0x545E
+#define TIOCSHAYESESP   0x545F
+#define FIOQSIZE	0x5460
+
+#define TIOCPKT_DATA		 0
+#define TIOCPKT_FLUSHREAD	 1
+#define TIOCPKT_FLUSHWRITE	 2
+#define TIOCPKT_STOP		 4
+#define TIOCPKT_START		 8
+#define TIOCPKT_NOSTOP		16
+#define TIOCPKT_DOSTOP		32
+#define TIOCPKT_IOCTL		64
+
+#define TIOCSER_TEMT    0x01
+
+struct winsize {
+	unsigned short ws_row;
+	unsigned short ws_col;
+	unsigned short ws_xpixel;
+	unsigned short ws_ypixel;
+};
+
+#define TIOCM_LE        0x001
+#define TIOCM_DTR       0x002
+#define TIOCM_RTS       0x004
+#define TIOCM_ST        0x008
+#define TIOCM_SR        0x010
+#define TIOCM_CTS       0x020
+#define TIOCM_CAR       0x040
+#define TIOCM_RNG       0x080
+#define TIOCM_DSR       0x100
+#define TIOCM_CD        TIOCM_CAR
+#define TIOCM_RI        TIOCM_RNG
+#define TIOCM_OUT1      0x2000
+#define TIOCM_OUT2      0x4000
+#define TIOCM_LOOP      0x8000
+#define TIOCM_MODEM_BITS TIOCM_OUT2
+
+#define N_TTY           0
+#define N_SLIP          1
+#define N_MOUSE         2
+#define N_PPP           3
+#define N_STRIP         4
+#define N_AX25          5
+#define N_X25           6
+#define N_6PACK         7
+#define N_MASC          8
+#define N_R3964         9
+#define N_PROFIBUS_FDL  10
+#define N_IRDA          11
+#define N_SMSBLOCK      12
+#define N_HDLC          13
+#define N_SYNC_PPP      14
+#define N_HCI           15
+
+#define FIOSETOWN       0x8901
+#define SIOCSPGRP       0x8902
+#define FIOGETOWN       0x8903
+#define SIOCGPGRP       0x8904
+#define SIOCATMARK      0x8905
+#define SIOCGSTAMP      0x8906
+
+#define SIOCADDRT       0x890B
+#define SIOCDELRT       0x890C
+#define SIOCRTMSG       0x890D
+
+#define SIOCGIFNAME     0x8910
+#define SIOCSIFLINK     0x8911
+#define SIOCGIFCONF     0x8912
+#define SIOCGIFFLAGS    0x8913
+#define SIOCSIFFLAGS    0x8914
+#define SIOCGIFADDR     0x8915
+#define SIOCSIFADDR     0x8916
+#define SIOCGIFDSTADDR  0x8917
+#define SIOCSIFDSTADDR  0x8918
+#define SIOCGIFBRDADDR  0x8919
+#define SIOCSIFBRDADDR  0x891a
+#define SIOCGIFNETMASK  0x891b
+#define SIOCSIFNETMASK  0x891c
+#define SIOCGIFMETRIC   0x891d
+#define SIOCSIFMETRIC   0x891e
+#define SIOCGIFMEM      0x891f
+#define SIOCSIFMEM      0x8920
+#define SIOCGIFMTU      0x8921
+#define SIOCSIFMTU      0x8922
+#define SIOCSIFHWADDR   0x8924
+#define SIOCGIFENCAP    0x8925
+#define SIOCSIFENCAP    0x8926
+#define SIOCGIFHWADDR   0x8927
+#define SIOCGIFSLAVE    0x8929
+#define SIOCSIFSLAVE    0x8930
+#define SIOCADDMULTI    0x8931
+#define SIOCDELMULTI    0x8932
+#define SIOCGIFINDEX    0x8933
+#define SIOGIFINDEX     SIOCGIFINDEX
+#define SIOCSIFPFLAGS   0x8934
+#define SIOCGIFPFLAGS   0x8935
+#define SIOCDIFADDR     0x8936
+#define SIOCSIFHWBROADCAST 0x8937
+#define SIOCGIFCOUNT    0x8938
+
+#define SIOCGIFBR       0x8940
+#define SIOCSIFBR       0x8941
+
+#define SIOCGIFTXQLEN   0x8942
+#define SIOCSIFTXQLEN   0x8943
+
+#define SIOCDARP        0x8953
+#define SIOCGARP        0x8954
+#define SIOCSARP        0x8955
+
+#define SIOCDRARP       0x8960
+#define SIOCGRARP       0x8961
+#define SIOCSRARP       0x8962
+
+#define SIOCGIFMAP      0x8970
+#define SIOCSIFMAP      0x8971
+
+#define SIOCADDDLCI     0x8980
+#define SIOCDELDLCI     0x8981
+
+#define SIOCDEVPRIVATE		0x89F0
+#define SIOCPROTOPRIVATE	0x89E0

arch/microblaze/bits/ipc.h

+struct ipc_perm
+{
+	key_t __ipc_perm_key;
+	uid_t uid;
+	gid_t gid;
+	uid_t cuid;
+	gid_t cgid;
+	mode_t mode;
+	int __ipc_perm_seq;
+	long __pad1;
+	long __pad2;
+};
+
+#define IPC_64 0x100

arch/microblaze/bits/limits.h

+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define PAGE_SIZE 4096
+#define LONG_BIT 32
+#endif
+
+#define LONG_MAX  0x7fffffffL
+#define LLONG_MAX  0x7fffffffffffffffLL

arch/microblaze/bits/mman.h

+#define MAP_FAILED ((void *) -1)
+
+#define	PROT_NONE      0
+#define	PROT_READ      1
+#define	PROT_WRITE     2
+#define	PROT_EXEC      4
+#define	PROT_GROWSDOWN 0x01000000
+#define	PROT_GROWSUP   0x02000000
+
+#define	MAP_SHARED     0x01
+#define	MAP_PRIVATE    0x02
+#define	MAP_FIXED      0x10
+
+#define MAP_TYPE       0x0f
+#define MAP_FILE       0x00
+#define MAP_ANON       0x20
+#define MAP_ANONYMOUS  MAP_ANON
+#define MAP_32BIT      0x40
+
+#define POSIX_MADV_NORMAL       0
+#define POSIX_MADV_RANDOM       1
+#define POSIX_MADV_SEQUENTIAL   2
+#define POSIX_MADV_WILLNEED     3
+#define POSIX_MADV_DONTNEED     0
+
+#define MS_ASYNC        1
+#define MS_INVALIDATE   2
+#define MS_SYNC         4
+
+#define MCL_CURRENT     1
+#define MCL_FUTURE      2
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define MADV_NORMAL      0
+#define MADV_RANDOM      1
+#define MADV_SEQUENTIAL  2
+#define MADV_WILLNEED    3
+#define MADV_DONTNEED    4
+#define MADV_REMOVE      9
+#define MADV_DONTFORK    10
+#define MADV_DOFORK      11
+#define MADV_MERGEABLE   12
+#define MADV_UNMERGEABLE 13
+#define MADV_HUGEPAGE    14
+#define MADV_NOHUGEPAGE  15
+#define MADV_HWPOISON    100
+
+#define MREMAP_MAYMOVE  1
+#define MREMAP_FIXED    2
+#endif

arch/microblaze/bits/msg.h

+struct msqid_ds
+{
+	struct ipc_perm msg_perm;
+	time_t msg_stime;
+	int __unused1;
+	time_t msg_rtime;
+	int __unused2;
+	time_t msg_ctime;
+	int __unused3;
+	unsigned long msg_cbytes;
+	msgqnum_t msg_qnum;
+	msglen_t msg_qbytes;
+	pid_t msg_lspid;
+	pid_t msg_lrpid;
+	unsigned long __unused[2];
+};

arch/microblaze/bits/posix.h

+#define _POSIX_V6_ILP32_OFFBIG  1
+#define _POSIX_V7_ILP32_OFFBIG  1

arch/microblaze/bits/reg.h

+#undef __WORDSIZE
+#define __WORDSIZE 32
+/* FIXME */

arch/microblaze/bits/setjmp.h

+typedef unsigned long jmp_buf[18];

arch/microblaze/bits/shm.h

+#define SHMLBA 4096
+
+struct shmid_ds
+{
+	struct ipc_perm shm_perm;
+	size_t shm_segsz;
+	time_t shm_atime;
+	int __unused1;
+	time_t shm_dtime;
+	int __unused2;
+	time_t shm_ctime;
+	int __unused3;
+	pid_t shm_cpid;
+	pid_t shm_lpid;
+	unsigned long shm_nattch;
+	unsigned long __pad1;
+	unsigned long __pad2;
+};

arch/microblaze/bits/signal.h

+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+
+typedef struct {
+	unsigned long __regs[39];
+} mcontext_t;
+
+typedef struct __ucontext {
+	unsigned long uc_flags;
+	struct __ucontext *uc_link;
+	stack_t uc_stack;
+	mcontext_t uc_mcontext;
+	sigset_t uc_sigmask;
+} ucontext_t;
+
+#define SA_NOCLDSTOP  1
+#define SA_NOCLDWAIT  2
+#define SA_SIGINFO    4
+#define SA_ONSTACK    0x08000000
+#define SA_RESTART    0x10000000
+#define SA_NODEFER    0x40000000
+#define SA_RESETHAND  0x80000000
+#define SA_RESTORER   0x04000000
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+struct sigcontext
+{
+	struct {
+		unsigned long r0, r1, r2, r3, r4, r5, r6, r7;
+		unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
+		unsigned long r16, r17, r18, r19, r20, r21, r22, r23;
+		unsigned long r24, r25, r26, r27, r28, r29, r30, r31;
+		unsigned long pc, msr, ear, esr, fsr;
+		int pt_mode;
+	} regs;
+	unsigned long oldmask;
+};
+#define NSIG      64
+#endif
+
+#endif
+
+#define SIGHUP    1
+#define SIGINT    2
+#define SIGQUIT   3
+#define SIGILL    4
+#define SIGTRAP   5
+#define SIGABRT   6
+#define SIGBUS    7
+#define SIGFPE    8
+#define SIGKILL   9
+#define SIGUSR1   10
+#define SIGSEGV   11
+#define SIGUSR2   12
+#define SIGPIPE   13
+#define SIGALRM   14
+#define SIGTERM   15
+#define SIGSTKFLT 16
+#define SIGCHLD   17
+#define SIGCONT   18
+#define SIGSTOP   19
+#define SIGTSTP   20
+#define SIGTTIN   21
+#define SIGTTOU   22
+#define SIGURG    23
+#define SIGXCPU   24
+#define SIGXFSZ   25
+#define SIGVTALRM 26
+#define SIGPROF   27
+#define SIGWINCH  28
+#define SIGIO     29
+#define SIGPOLL   29
+#define SIGPWR    30
+#define SIGSYS    31
+#define SIGUNUSED SIGSYS

arch/microblaze/bits/socket.h

+struct msghdr
+{
+	void *msg_name;
+	socklen_t msg_namelen;
+	struct iovec *msg_iov;
+	int msg_iovlen;
+	void *msg_control;
+	socklen_t msg_controllen;
+	int msg_flags;
+};
+
+struct cmsghdr
+{
+	socklen_t cmsg_len;
+	int cmsg_level;
+	int cmsg_type;
+};

arch/microblaze/bits/stat.h

+/* copied from kernel definition, but with padding replaced
+ * by the corresponding correctly-sized userspace types. */
+
+struct stat
+{
+	dev_t st_dev;
+	int __st_dev_padding;
+	long __st_ino_truncated;
+	mode_t st_mode;
+	nlink_t st_nlink;
+	uid_t st_uid;
+	gid_t st_gid;
+	dev_t st_rdev;
+	int __st_rdev_padding;
+	off_t st_size;
+	blksize_t st_blksize;
+	blkcnt_t st_blocks;
+	struct timespec st_atim;
+	struct timespec st_mtim;
+	struct timespec st_ctim;
+	ino_t st_ino;
+};

arch/microblaze/bits/statfs.h

+struct statfs {
+	unsigned long f_type, f_bsize;
+	fsblkcnt_t f_blocks, f_bfree, f_bavail;
+	fsfilcnt_t f_files, f_ffree;
+	fsid_t f_fsid;
+	unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
+};

arch/microblaze/bits/stdarg.h

+#define va_start(v,l)   __builtin_va_start(v,l)
+#define va_end(v)       __builtin_va_end(v)
+#define va_arg(v,l)     __builtin_va_arg(v,l)
+#define va_copy(d,s)    __builtin_va_copy(d,s)

arch/microblaze/bits/stdint.h

+#define INT_FAST8_MIN   INT8_MIN
+#define INT_FAST16_MIN  INT32_MIN
+#define INT_FAST32_MIN  INT32_MIN
+#define INT_FAST64_MIN  INT64_MIN
+
+#define INT_FAST8_MAX   INT8_MAX
+#define INT_FAST16_MAX  INT32_MAX
+#define INT_FAST32_MAX  INT32_MAX
+#define INT_FAST64_MAX  INT64_MAX
+
+#define UINT_FAST8_MAX  UINT8_MAX
+#define UINT_FAST16_MAX UINT32_MAX
+#define UINT_FAST32_MAX UINT32_MAX
+#define UINT_FAST64_MAX UINT64_MAX
+
+#define INTPTR_MIN      INT32_MIN
+#define INTPTR_MAX      INT32_MAX
+#define UINTPTR_MAX     UINT32_MAX
+#define PTRDIFF_MIN     INT32_MIN
+#define PTRDIFF_MAX     INT32_MAX
+#define SIG_ATOMIC_MIN  INT32_MIN
+#define SIG_ATOMIC_MAX  INT32_MAX
+#define SIZE_MAX        UINT32_MAX

arch/microblaze/bits/syscall.h

+#define __NR_restart_syscall 0
+#define __NR_exit 1
+#define __NR_fork 2
+#define __NR_read 3
+#define __NR_write 4
+#define __NR_open 5
+#define __NR_close 6
+#define __NR_waitpid 7
+#define __NR_creat 8
+#define __NR_link 9
+#define __NR_unlink 10
+#define __NR_execve 11
+#define __NR_chdir 12
+#define __NR_time 13
+#define __NR_mknod 14
+#define __NR_chmod 15
+#define __NR_lchown 16
+#define __NR_break 17
+#define __NR_oldstat 18
+#define __NR_lseek 19
+#define __NR_getpid 20
+#define __NR_mount 21
+#define __NR_umount 22
+#define __NR_setuid 23
+#define __NR_getuid 24
+#define __NR_stime 25
+#define __NR_ptrace 26
+#define __NR_alarm 27
+#define __NR_oldfstat 28
+#define __NR_pause 29
+#define __NR_utime 30
+#define __NR_stty 31
+#define __NR_gtty 32
+#define __NR_access 33
+#define __NR_nice 34
+#define __NR_ftime 35
+#define __NR_sync 36
+#define __NR_kill 37
+#define __NR_rename 38
+#define __NR_mkdir 39
+#define __NR_rmdir 40
+#define __NR_dup 41
+#define __NR_pipe 42
+#define __NR_times 43
+#define __NR_prof 44
+#define __NR_brk 45
+#define __NR_setgid 46
+#define __NR_getgid 47
+#define __NR_signal 48
+#define __NR_geteuid 49
+#define __NR_getegid 50
+#define __NR_acct 51
+#define __NR_umount2 52
+#define __NR_lock 53
+#define __NR_ioctl 54
+#define __NR_fcntl 55
+#define __NR_mpx 56
+#define __NR_setpgid 57
+#define __NR_ulimit 58
+#define __NR_oldolduname 59
+#define __NR_umask 60
+#define __NR_chroot 61
+#define __NR_ustat 62
+#define __NR_dup2 63
+#define __NR_getppid 64
+#define __NR_getpgrp 65
+#define __NR_setsid 66
+#define __NR_sigaction 67
+#define __NR_sgetmask 68
+#define __NR_ssetmask 69
+#define __NR_setreuid 70
+#define __NR_setregid 71
+#define __NR_sigsuspend 72
+#define __NR_sigpending 73
+#define __NR_sethostname 74
+#define __NR_setrlimit 75
+#define __NR_getrlimit 76
+#define __NR_getrusage 77
+#define __NR_gettimeofday 78
+#define __NR_settimeofday 79
+#define __NR_getgroups 80
+#define __NR_setgroups 81
+#define __NR_select 82
+#define __NR_symlink 83
+#define __NR_oldlstat 84
+#define __NR_readlink 85
+#define __NR_uselib 86
+#define __NR_swapon 87
+#define __NR_reboot 88
+#define __NR_readdir 89
+#define __NR_mmap 90
+#define __NR_munmap 91
+#define __NR_truncate 92
+#define __NR_ftruncate 93
+#define __NR_fchmod 94
+#define __NR_fchown 95
+#define __NR_getpriority 96
+#define __NR_setpriority 97
+#define __NR_profil 98
+#define __NR_statfs 99
+#define __NR_fstatfs 100
+#define __NR_ioperm 101
+#define __NR_socketcall 102
+#define __NR_syslog 103
+#define __NR_setitimer 104
+#define __NR_getitimer 105
+#define __NR_stat 106
+#define __NR_lstat 107
+#define __NR_fstat 108
+#define __NR_olduname 109
+#define __NR_iopl 110
+#define __NR_vhangup 111
+#define __NR_idle 112
+#define __NR_vm86old 113
+#define __NR_wait4 114
+#define __NR_swapoff 115
+#define __NR_sysinfo 116
+#define __NR_ipc 117
+#define __NR_fsync 118
+#define __NR_sigreturn 119
+#define __NR_clone 120
+#define __NR_setdomainname 121
+#define __NR_uname 122
+#define __NR_modify_ldt 123
+#define __NR_adjtimex 124
+#define __NR_mprotect 125
+#define __NR_sigprocmask 126
+#define __NR_create_module 127
+#define __NR_init_module 128
+#define __NR_delete_module 129
+#define __NR_get_kernel_syms 130
+#define __NR_quotactl 131
+#define __NR_getpgid 132
+#define __NR_fchdir 133
+#define __NR_bdflush 134
+#define __NR_sysfs 135
+#define __NR_personality 136
+#define __NR_afs_syscall 137
+#define __NR_setfsuid 138
+#define __NR_setfsgid 139
+#define __NR__llseek 140
+#define __NR_getdents 141
+#define __NR__newselect 142
+#define __NR_flock 143
+#define __NR_msync 144
+#define __NR_readv 145
+#define __NR_writev 146
+#define __NR_getsid 147
+#define __NR_fdatasync 148
+#define __NR__sysctl 149
+#define __NR_mlock 150
+#define __NR_munlock 151
+#define __NR_mlockall 152
+#define __NR_munlockall 153
+#define __NR_sched_setparam 154
+#define __NR_sched_getparam 155
+#define __NR_sched_setscheduler 156
+#define __NR_sched_getscheduler 157
+#define __NR_sched_yield 158
+#define __NR_sched_get_priority_max 159
+#define __NR_sched_get_priority_min 160
+#define __NR_sched_rr_get_interval 161
+#define __NR_nanosleep 162
+#define __NR_mremap 163
+#define __NR_setresuid 164
+#define __NR_getresuid 165
+#define __NR_vm86 166
+#define __NR_query_module 167
+#define __NR_poll 168
+#define __NR_nfsservctl 169
+#define __NR_setresgid 170
+#define __NR_getresgid 171
+#define __NR_prctl 172
+#define __NR_rt_sigreturn 173
+#define __NR_rt_sigaction 174
+#define __NR_rt_sigprocmask 175
+#define __NR_rt_sigpending 176
+#define __NR_rt_sigtimedwait 177
+#define __NR_rt_sigqueueinfo 178
+#define __NR_rt_sigsuspend 179
+#define __NR_pread 180
+#define __NR_pwrite 181
+#define __NR_chown 182
+#define __NR_getcwd 183
+#define __NR_capget 184
+#define __NR_capset 185
+#define __NR_sigaltstack 186
+#define __NR_sendfile 187
+#define __NR_getpmsg 188
+#define __NR_putpmsg 189
+#define __NR_vfork 190
+#define __NR_ugetrlimit 191
+#define __NR_mmap2 192
+#define __NR_truncate64 193
+#define __NR_ftruncate64 194
+#define __NR_stat64 195
+#define __NR_lstat64 196
+#define __NR_fstat64 197
+#define __NR_lchown32 198
+#define __NR_getuid32 199
+#define __NR_getgid32 200
+#define __NR_geteuid32 201
+#define __NR_getegid32 202
+#define __NR_setreuid32 203
+#define __NR_setregid32 204
+#define __NR_getgroups32 205
+#define __NR_setgroups32 206
+#define __NR_fchown32 207
+#define __NR_setresuid32 208
+#define __NR_getresuid32 209
+#define __NR_setresgid32 210
+#define __NR_getresgid32 211
+#define __NR_chown32 212
+#define __NR_setuid32 213
+#define __NR_setgid32 214
+#define __NR_setfsuid32 215
+#define __NR_setfsgid32 216
+#define __NR_pivot_root 217
+#define __NR_mincore 218
+#define __NR_madvise 219
+#define __NR_getdents64 220
+#define __NR_fcntl64 221
+#define __NR_gettid 224
+#define __NR_readahead 225
+#define __NR_setxattr 226
+#define __NR_lsetxattr 227
+#define __NR_fsetxattr 228
+#define __NR_getxattr 229
+#define __NR_lgetxattr 230
+#define __NR_fgetxattr 231
+#define __NR_listxattr 232
+#define __NR_llistxattr 233
+#define __NR_flistxattr 234
+#define __NR_removexattr 235
+#define __NR_lremovexattr 236
+#define __NR_fremovexattr 237
+#define __NR_tkill 238
+#define __NR_sendfile64 239
+#define __NR_futex 240
+#define __NR_sched_setaffinity 241
+#define __NR_sched_getaffinity 242
+#define __NR_set_thread_area 243
+#define __NR_get_thread_area 244
+#define __NR_io_setup 245
+#define __NR_io_destroy 246
+#define __NR_io_getevents 247
+#define __NR_io_submit 248
+#define __NR_io_cancel 249
+#define __NR_fadvise 250
+#define __NR_exit_group 252
+#define __NR_lookup_dcookie 253
+#define __NR_epoll_create 254
+#define __NR_epoll_ctl 255
+#define __NR_epoll_wait 256
+#define __NR_remap_file_pages 257
+#define __NR_set_tid_address 258
+#define __NR_timer_create 259
+#define __NR_timer_settime 260
+#define __NR_timer_gettime 261
+#define __NR_timer_getoverrun 262
+#define __NR_timer_delete 263
+#define __NR_clock_settime 264
+#define __NR_clock_gettime 265
+#define __NR_clock_getres 266
+#define __NR_clock_nanosleep 267
+#define __NR_statfs64 268
+#define __NR_fstatfs64 269
+#define __NR_tgkill 270
+#define __NR_utimes 271
+#define __NR_fadvise64_64 272
+#define __NR_vserver 273
+#define __NR_mbind 274
+#define __NR_get_mempolicy 275
+#define __NR_set_mempolicy 276
+#define __NR_mq_open 277
+#define __NR_mq_unlink 278
+#define __NR_mq_timedsend 279
+#define __NR_mq_timedreceive 280
+#define __NR_mq_notify 281
+#define __NR_mq_getsetattr 282
+#define __NR_kexec_load 283
+#define __NR_waitid 284
+#define __NR_add_key 286
+#define __NR_request_key 287
+#define __NR_keyctl 288
+#define __NR_ioprio_set 289
+#define __NR_ioprio_get 290
+#define __NR_inotify_init 291
+#define __NR_inotify_add_watch 292
+#define __NR_inotify_rm_watch 293
+#define __NR_migrate_pages 294
+#define __NR_openat 295
+#define __NR_mkdirat 296
+#define __NR_mknodat 297
+#define __NR_fchownat 298
+#define __NR_futimesat 299
+#define __NR_fstatat 300
+#define __NR_unlinkat 301
+#define __NR_renameat 302
+#define __NR_linkat 303
+#define __NR_symlinkat 304
+#define __NR_readlinkat 305
+#define __NR_fchmodat 306
+#define __NR_faccessat 307
+#define __NR_pselect6 308
+#define __NR_ppoll 309
+#define __NR_unshare 310
+#define __NR_set_robust_list 311
+#define __NR_get_robust_list 312
+#define __NR_splice 313
+#define __NR_sync_file_range 314
+#define __NR_tee 315
+#define __NR_vmsplice 316
+#define __NR_move_pages 317
+#define __NR_getcpu 318
+#define __NR_epoll_pwait 319
+#define __NR_utimensat 320
+#define __NR_signalfd 321
+#define __NR_timerfd_create 322
+#define __NR_eventfd 323
+#define __NR_fallocate 324
+#define __NR_semtimedop 325
+#define __NR_timerfd_settime 326
+#define __NR_timerfd_gettime 327
+#define __NR_semctl 328
+#define __NR_semget 329
+#define __NR_semop 330
+#define __NR_msgctl 331
+#define __NR_msgget 332
+#define __NR_msgrcv 333
+#define __NR_msgsnd 334
+#define __NR_shmat 335
+#define __NR_shmctl 336
+#define __NR_shmdt 337
+#define __NR_shmget 338
+#define __NR_signalfd4 339
+#define __NR_eventfd2 340
+#define __NR_epoll_create1 341
+#define __NR_dup3 342
+#define __NR_pipe2 343
+#define __NR_inotify_init1 344
+#define __NR_socket 345
+#define __NR_socketpair 346
+#define __NR_bind 347
+#define __NR_listen 348
+#define __NR_accept 349
+#define __NR_connect 350
+#define __NR_getsockname 351
+#define __NR_getpeername 352
+#define __NR_sendto 353
+#define __NR_send 354
+#define __NR_recvfrom 355
+#define __NR_recv 356
+#define __NR_setsockopt 357
+#define __NR_getsockopt 358
+#define __NR_shutdown 359
+#define __NR_sendmsg 360
+#define __NR_recvmsg 361
+#define __NR_accept4 362
+#define __NR_preadv 363
+#define __NR_pwritev 364
+#define __NR_rt_tgsigqueueinfo 365
+#define __NR_perf_event_open 366
+#define __NR_recvmmsg 367
+
+/* Repeated with SYS_ prefix */
+
+#define SYS_SYSCALL_BASE 0
+#define SYS_restart_syscall 0
+#define SYS_exit 1
+#define SYS_fork 2
+#define SYS_read 3
+#define SYS_write 4
+#define SYS_open 5
+#define SYS_close 6
+#define SYS_waitpid 7
+#define SYS_creat 8
+#define SYS_link 9
+#define SYS_unlink 10
+#define SYS_execve 11
+#define SYS_chdir 12
+#define SYS_time 13
+#define SYS_mknod 14
+#define SYS_chmod 15
+#define SYS_lchown 16
+#define SYS_break 17
+#define SYS_oldstat 18
+#define SYS_lseek 19
+#define SYS_getpid 20
+#define SYS_mount 21
+#define SYS_umount 22
+#define SYS_setuid 23
+#define SYS_getuid 24
+#define SYS_stime 25
+#define SYS_ptrace 26
+#define SYS_alarm 27
+#define SYS_oldfstat 28
+#define SYS_pause 29
+#define SYS_utime 30
+#define SYS_stty 31
+#define SYS_gtty 32
+#define SYS_access 33
+#define SYS_nice 34
+#define SYS_ftime 35
+#define SYS_sync 36
+#define SYS_kill 37
+#define SYS_rename 38
+#define SYS_mkdir 39
+#define SYS_rmdir 40
+#define SYS_dup 41
+#define SYS_pipe 42
+#define SYS_times 43
+#define SYS_prof 44
+#define SYS_brk 45
+#define SYS_setgid 46
+#define SYS_getgid 47
+#define SYS_signal 48
+#define SYS_geteuid 49
+#define SYS_getegid 50
+#define SYS_acct 51
+#define SYS_umount2 52
+#define SYS_lock 53
+#define SYS_ioctl 54
+#define SYS_fcntl 55
+#define SYS_mpx 56
+#define SYS_setpgid 57
+#define SYS_ulimit 58
+#define SYS_oldolduname 59
+#define SYS_umask 60
+#define SYS_chroot 61
+#define SYS_ustat 62
+#define SYS_dup2 63
+#define SYS_getppid 64
+#define SYS_getpgrp 65
+#define SYS_setsid 66
+#define SYS_sigaction 67
+#define SYS_sgetmask 68
+#define SYS_ssetmask 69
+#define SYS_setreuid 70
+#define SYS_setregid 71
+#define SYS_sigsuspend 72
+#define SYS_sigpending 73
+#define SYS_sethostname 74
+#define SYS_setrlimit 75
+#define SYS_getrlimit 76
+#define SYS_getrusage 77
+#define SYS_gettimeofday 78
+#define SYS_settimeofday 79
+#define SYS_getgroups 80
+#define SYS_setgroups 81
+#define SYS_select 82
+#define SYS_symlink 83
+#define SYS_oldlstat 84
+#define SYS_readlink 85
+#define SYS_uselib 86
+#define SYS_swapon 87
+#define SYS_reboot 88
+#define SYS_readdir 89
+#define SYS_mmap 90
+#define SYS_munmap 91
+#define SYS_truncate 92
+#define SYS_ftruncate 93
+#define SYS_fchmod 94
+#define SYS_fchown 95
+#define SYS_getpriority 96
+#define SYS_setpriority 97
+#define SYS_profil 98
+#define SYS_statfs 99
+#define SYS_fstatfs 100
+#define SYS_ioperm 101
+#define SYS_socketcall 102
+#define SYS_syslog 103
+#define SYS_setitimer 104
+#define SYS_getitimer 105
+#define SYS_stat 106
+#define SYS_lstat 107
+#define SYS_fstat 108
+#define SYS_olduname 109
+#define SYS_iopl 110
+#define SYS_vhangup 111
+#define SYS_idle 112
+#define SYS_vm86old 113
+#define SYS_wait4 114
+#define SYS_swapoff 115
+#define SYS_sysinfo 116
+#define SYS_ipc 117
+#define SYS_fsync 118
+#define SYS_sigreturn 119
+#define SYS_clone 120
+#define SYS_setdomainname 121
+#define SYS_uname 122
+#define SYS_modify_ldt 123
+#define SYS_adjtimex 124
+#define SYS_mprotect 125
+#define SYS_sigprocmask 126
+#define SYS_create_module 127
+#define SYS_init_module 128
+#define SYS_delete_module 129
+#define SYS_get_kernel_syms 130
+#define SYS_quotactl 131
+#define SYS_getpgid 132
+#define SYS_fchdir 133
+#define SYS_bdflush 134
+#define SYS_sysfs 135
+#define SYS_personality 136
+#define SYS_afs_syscall 137
+#define SYS_setfsuid 138
+#define SYS_setfsgid 139
+#define SYS__llseek 140
+#define SYS_getdents 141
+#define SYS__newselect 142
+#define SYS_flock 143
+#define SYS_msync 144
+#define SYS_readv 145
+#define SYS_writev 146
+#define SYS_getsid 147
+#define SYS_fdatasync 148
+#define SYS__sysctl 149
+#define SYS_mlock 150
+#define SYS_munlock 151
+#define SYS_mlockall 152
+#define SYS_munlockall 153
+#define SYS_sched_setparam 154
+#define SYS_sched_getparam 155
+#define SYS_sched_setscheduler 156
+#define SYS_sched_getscheduler 157
+#define SYS_sched_yield 158
+#define SYS_sched_get_priority_max 159
+#define SYS_sched_get_priority_min 160
+#define SYS_sched_rr_get_interval 161
+#define SYS_nanosleep 162
+#define SYS_mremap 163
+#define SYS_setresuid 164
+#define SYS_getresuid 165
+#define SYS_vm86 166
+#define SYS_query_module 167
+#define SYS_poll 168
+#define SYS_nfsservctl 169
+#define SYS_setresgid 170
+#define SYS_getresgid 171
+#define SYS_prctl 172
+#define SYS_rt_sigreturn 173
+#define SYS_rt_sigaction 174
+#define SYS_rt_sigprocmask 175
+#define SYS_rt_sigpending 176
+#define SYS_rt_sigtimedwait 177
+#define SYS_rt_sigqueueinfo 178
+#define SYS_rt_sigsuspend 179
+#define SYS_pread 180
+#define SYS_pwrite 181
+#define SYS_chown 182
+#define SYS_getcwd 183
+#define SYS_capget 184
+#define SYS_capset 185
+#define SYS_sigaltstack 186
+#define SYS_sendfile 187
+#define SYS_getpmsg 188
+#define SYS_putpmsg 189
+#define SYS_vfork 190
+#define SYS_ugetrlimit 191
+#define SYS_mmap2 192
+#define SYS_truncate64 193
+#define SYS_ftruncate64 194
+#define SYS_stat64 195
+#define SYS_lstat64 196
+#define SYS_fstat64 197
+#define SYS_lchown32 198
+#define SYS_getuid32 199
+#define SYS_getgid32 200
+#define SYS_geteuid32 201
+#define SYS_getegid32 202
+#define SYS_setreuid32 203
+#define SYS_setregid32 204
+#define SYS_getgroups32 205
+#define SYS_setgroups32 206
+#define SYS_fchown32 207
+#define SYS_setresuid32 208
+#define SYS_getresuid32 209
+#define SYS_setresgid32 210
+#define SYS_getresgid32 211
+#define SYS_chown32 212
+#define SYS_setuid32 213
+#define SYS_setgid32 214
+#define SYS_setfsuid32 215
+#define SYS_setfsgid32 216
+#define SYS_pivot_root 217
+#define SYS_mincore 218
+#define SYS_madvise 219
+#define SYS_getdents64 220
+#define SYS_fcntl64 221
+#define SYS_gettid 224
+#define SYS_readahead 225
+#define SYS_setxattr 226
+#define SYS_lsetxattr 227
+#define SYS_fsetxattr 228
+#define SYS_getxattr 229
+#define SYS_lgetxattr 230
+#define SYS_fgetxattr 231
+#define SYS_listxattr 232
+#define SYS_llistxattr 233
+#define SYS_flistxattr 234
+#define SYS_removexattr 235
+#define SYS_lremovexattr 236
+#define SYS_fremovexattr 237
+#define SYS_tkill 238
+#define SYS_sendfile64 239
+#define SYS_futex 240
+#define SYS_sched_setaffinity 241
+#define SYS_sched_getaffinity 242
+#define SYS_set_thread_area 243
+#define SYS_get_thread_area 244
+#define SYS_io_setup 245
+#define SYS_io_destroy 246
+#define SYS_io_getevents 247
+#define SYS_io_submit 248
+#define SYS_io_cancel 249
+#define SYS_fadvise 250
+#define SYS_exit_group 252
+#define SYS_lookup_dcookie 253
+#define SYS_epoll_create 254
+#define SYS_epoll_ctl 255
+#define SYS_epoll_wait 256
+#define SYS_remap_file_pages 257
+#define SYS_set_tid_address 258
+#define SYS_timer_create 259
+#define SYS_timer_settime 260
+#define SYS_timer_gettime 261
+#define SYS_timer_getoverrun 262
+#define SYS_timer_delete 263
+#define SYS_clock_settime 264
+#define SYS_clock_gettime 265
+#define SYS_clock_getres 266
+#define SYS_clock_nanosleep 267
+#define SYS_statfs64 268
+#define SYS_fstatfs64 269
+#define SYS_tgkill 270
+#define SYS_utimes 271
+#define SYS_fadvise64_64 272
+#define SYS_vserver 273
+#define SYS_mbind 274
+#define SYS_get_mempolicy 275
+#define SYS_set_mempolicy 276
+#define SYS_mq_open 277
+#define SYS_mq_unlink 278
+#define SYS_mq_timedsend 279
+#define SYS_mq_timedreceive 280
+#define SYS_mq_notify 281
+#define SYS_mq_getsetattr 282
+#define SYS_kexec_load 283
+#define SYS_waitid 284
+#define SYS_add_key 286
+#define SYS_request_key 287
+#define SYS_keyctl 288
+#define SYS_ioprio_set 289
+#define SYS_ioprio_get 290
+#define SYS_inotify_init 291
+#define SYS_inotify_add_watch 292
+#define SYS_inotify_rm_watch 293
+#define SYS_migrate_pages 294
+#define SYS_openat 295
+#define SYS_mkdirat 296
+#define SYS_mknodat 297
+#define SYS_fchownat 298
+#define SYS_futimesat 299
+#define SYS_fstatat 300
+#define SYS_unlinkat 301
+#define SYS_renameat 302
+#define SYS_linkat 303
+#define SYS_symlinkat 304
+#define SYS_readlinkat 305
+#define SYS_fchmodat 306
+#define SYS_faccessat 307
+#define SYS_pselect6 308
+#define SYS_ppoll 309
+#define SYS_unshare 310
+#define SYS_set_robust_list 311
+#define SYS_get_robust_list 312
+#define SYS_splice 313
+#define SYS_sync_file_range 314
+#define SYS_tee 315
+#define SYS_vmsplice 316
+#define SYS_move_pages 317
+#define SYS_getcpu 318
+#define SYS_epoll_pwait 319
+#define SYS_utimensat 320
+#define SYS_signalfd 321
+#define SYS_timerfd_create 322
+#define SYS_eventfd 323
+#define SYS_fallocate 324
+#define SYS_semtimedop 325
+#define SYS_timerfd_settime 326
+#define SYS_timerfd_gettime 327
+#define SYS_semctl 328
+#define SYS_semget 329
+#define SYS_semop 330
+#define SYS_msgctl 331
+#define SYS_msgget 332
+#define SYS_msgrcv 333
+#define SYS_msgsnd 334
+#define SYS_shmat 335
+#define SYS_shmctl 336
+#define SYS_shmdt 337
+#define SYS_shmget 338
+#define SYS_signalfd4 339
+#define SYS_eventfd2 340
+#define SYS_epoll_create1 341
+#define SYS_dup3 342
+#define SYS_pipe2 343
+#define SYS_inotify_init1 344
+#define SYS_socket 345
+#define SYS_socketpair 346
+#define SYS_bind 347
+#define SYS_listen 348
+#define SYS_accept 349
+#define SYS_connect 350
+#define SYS_getsockname 351
+#define SYS_getpeername 352
+#define SYS_sendto 353
+#define SYS_send 354
+#define SYS_recvfrom 355
+#define SYS_recv 356
+#define SYS_setsockopt 357
+#define SYS_getsockopt 358
+#define SYS_shutdown 359
+#define SYS_sendmsg 360
+#define SYS_recvmsg 361
+#define SYS_accept4 362
+#define SYS_preadv 363
+#define SYS_pwritev 364
+#define SYS_rt_tgsigqueueinfo 365
+#define SYS_perf_event_open 366
+#define SYS_recvmmsg 367
+
+
+#define SYS_clock_adjtime 999999 // FIXME
+#define SYS_process_vm_readv 999999 // FIXME
+#define SYS_process_vm_writev 999999 // FIXME
+#define SYS_prlimit64 999999 // FIXME
+#define SYS_setns 999999 // FIXME
+#define SYS_syncfs 999999 // FIXME

arch/microblaze/bits/termios.h

+struct termios
+{
+	tcflag_t c_iflag;
+	tcflag_t c_oflag;
+	tcflag_t c_cflag;
+	tcflag_t c_lflag;
+	cc_t c_line;
+	cc_t c_cc[NCCS];
+	speed_t __c_ispeed;
+	speed_t __c_ospeed;
+};
+
+#define VINTR     0
+#define VQUIT     1
+#define VERASE    2
+#define VKILL     3
+#define VEOF      4
+#define VTIME     5
+#define VMIN      6
+#define VSWTC     7
+#define VSTART    8
+#define VSTOP     9
+#define VSUSP    10
+#define VEOL     11
+#define VREPRINT 12
+#define VDISCARD 13
+#define VWERASE  14
+#define VLNEXT   15
+#define VEOL2    16
+
+#define IGNBRK  0000001
+#define BRKINT  0000002
+#define IGNPAR  0000004
+#define PARMRK  0000010
+#define INPCK   0000020
+#define ISTRIP  0000040
+#define INLCR   0000100
+#define IGNCR   0000200
+#define ICRNL   0000400
+#define IUCLC   0001000
+#define IXON    0002000
+#define IXANY   0004000
+#define IXOFF   0010000
+#define IMAXBEL 0020000
+
+#define OPOST  0000001
+#define OLCUC  0000002
+#define ONLCR  0000004
+#define OCRNL  0000010
+#define ONOCR  0000020
+#define ONLRET 0000040
+#define OFILL  0000100
+#define OFDEL  0000200
+#define NLDLY  0000400
+#define NL0    0000000
+#define NL1    0000400
+#define CRDLY  0003000
+#define CR0    0000000
+#define CR1    0001000
+#define CR2    0002000
+#define CR3    0003000
+#define TABDLY 0014000
+#define TAB0   0000000
+#define TAB1   0004000
+#define TAB2   0010000
+#define TAB3   0014000
+#define BSDLY  0020000
+#define BS0    0000000
+#define BS1    0020000
+#define FFDLY  0100000
+#define FF0    0000000
+#define FF1    0100000
+
+#define VTDLY  0040000
+#define VT0    0000000
+#define VT1    0040000
+
+/* ?? */
+#define XTABS  0014000
+
+#define B0       0000000
+#define B50      0000001
+#define B75      0000002
+#define B110     0000003
+#define B134     0000004
+#define B150     0000005
+#define B200     0000006
+#define B300     0000007
+#define B600     0000010
+#define B1200    0000011
+#define B1800    0000012
+#define B2400    0000013
+#define B4800    0000014
+#define B9600    0000015
+#define B19200   0000016
+#define B38400   0000017
+
+#define B57600   0010001
+#define B115200  0010002
+#define B230400  0010003
+#define B460800  0010004
+#define B500000  0010005
+#define B576000  0010006
+#define B921600  0010007
+#define B1000000 0010010
+#define B1152000 0010011
+#define B1500000 0010012
+#define B2000000 0010013
+#define B2500000 0010014
+#define B3000000 0010015
+#define B3500000 0010016
+#define B4000000 0010017
+
+#define CBAUD    0010017
+
+#define CSIZE  0000060
+#define CS5    0000000
+#define CS6    0000020
+#define CS7    0000040
+#define CS8    0000060
+#define CSTOPB 0000100
+#define CREAD  0000200
+#define PARENB 0000400
+#define PARODD 0001000
+#define HUPCL  0002000
+#define CLOCAL 0004000
+
+#define CRTSCTS  020000000000
+
+#define ISIG   0000001
+#define ICANON 0000002
+#define ECHO   0000010
+#define ECHOE  0000020
+#define ECHOK  0000040
+#define ECHONL 0000100
+#define NOFLSH 0000200
+#define TOSTOP 0000400
+#define IEXTEN 0100000
+
+/* Extensions? */
+#define CBAUDEX 0010000
+#define ECHOCTL 0001000
+#define ECHOPRT 0002000
+#define ECHOKE 0004000
+#define FLUSHO 0010000
+#define PENDIN 0040000
+
+#define TCOOFF 0
+#define TCOON  1
+#define TCIOFF 2
+#define TCION  3
+
+#define TCIFLUSH  0
+#define TCOFLUSH  1
+#define TCIOFLUSH 2
+
+#define TCSANOW   0
+#define TCSADRAIN 1
+#define TCSAFLUSH 2

arch/microblaze/bits/user.h

+struct user_fpregs_struct
+{
+	struct fp_reg {
+		unsigned sign1:1;
+		unsigned unused:15;
+		unsigned sign2:1;
+		unsigned exponent:14;
+		unsigned j:1;
+		unsigned mantissa1:31;
+		unsigned mantissa0:32;
+	} fpregs[8];
+	unsigned fpsr:32;
+	unsigned fpcr:32;
+	unsigned char ftype[8];
+	unsigned int init_flag;
+};
+
+struct user_regs_struct
+{
+	unsigned long uregs[18];
+};
+
+struct user
+{
+	struct user_regs_struct		regs;
+	int				u_fpvalid;
+	unsigned long			u_tsize;
+	unsigned long			u_dsize;
+	unsigned long			u_ssize;
+	unsigned long			start_code;
+	unsigned long			start_stack;
+	long				signal;
+	int				reserved;
+	struct user_regs_struct		*u_ar0;
+	unsigned long int		magic;
+	char				u_comm[32];
+	int				u_debugreg[8];
+	struct user_fpregs_struct	u_fp;
+	struct user_fpregs_struct	*u_fp0;
+};

arch/microblaze/bits/wchar.h

+#ifndef WCHAR_MIN
+#define WCHAR_MIN (-1-0x7fffffff)
+#define WCHAR_MAX (0x7fffffff)
+#endif

arch/microblaze/pthread_arch.h

+static inline struct pthread *__pthread_self()
+{
+	struct pthread *self;
+	__asm__ __volatile__ ("ori %0, r21, 0" : "=r" (self) );
+	return self;
+}
+
+#define CANCEL_REG_IP 32

arch/microblaze/reloc.h

+#include <string.h>
+#include <elf.h>
+
+#define ETC_LDSO_PATH "/etc/ld-musl-microblaze.path"
+
+#define IS_COPY(x) ((x)==R_MICROBLAZE_COPY)
+#define IS_PLT(x) ((x)==R_MICROBLAZE_JUMP_SLOT)
+
+static inline void do_single_reloc(size_t *reloc_addr, int type, size_t sym_val, size_t sym_size, unsigned char *base_addr, size_t addend)
+{
+	switch(type) {
+	case R_MICROBLAZE_32:
+	case R_MICROBLAZE_GLOB_DAT:
+	case R_MICROBLAZE_JUMP_SLOT:
+		*reloc_addr = sym_val + addend;
+		break;
+	case R_MICROBLAZE_REL:
+		*reloc_addr = (size_t)base_addr + addend;
+		break;
+	case R_MICROBLAZE_COPY:
+		memcpy(reloc_addr, (void *)sym_val, sym_size);
+		break;
+	}
+}
+
+#include "syscall.h"
+void __reloc_self(int c, size_t *a, size_t *dynv)
+{
+	char dot = '.', ex = 'x';
+	char *base;
+	size_t t[20], n;
+	for (a+=c+1; *a; a++);
+	for (a++; *a; a+=2) if (*a<20) t[*a] = a[1];
+	base = (char *)t[AT_BASE];
+	if (!base) base = (char *)(t[AT_PHDR] & -4096);
+	for (a=dynv; *a; a+=2) if (*a<20) t[*a] = a[1];
+	n = t[DT_RELASZ];
+	for (a=(void *)(base+t[DT_RELA]); n; a+=3, n-=12)
+		if (a[1]%256 == R_MICROBLAZE_REL)
+			*(size_t *)(base+a[0]) = (size_t)base + a[2];
+}

arch/microblaze/syscall_arch.h

+#define __SYSCALL_LL_E(x) \
+((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
+((union { long long ll; long l[2]; }){ .ll = x }).l[1]
+#define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))
+
+#define __SYSCALL_SSLEN 8
+
+static inline long __syscall0(long n)
+{
+	return (__syscall)(n);
+}
+
+static inline long __syscall1(long n, long a)
+{
+	return (__syscall)(n, a);
+}
+
+static inline long __syscall2(long n, long a, long b)
+{
+	return (__syscall)(n, a, b);
+}
+
+static inline long __syscall3(long n, long a, long b, long c)
+{
+	return (__syscall)(n, a, b, c);
+}
+
+static inline long __syscall4(long n, long a, long b, long c, long d)
+{
+	return (__syscall)(n, a, b, c, d);
+}
+
+static inline long __syscall5(long n, long a, long b, long c, long d, long e)
+{
+	return (__syscall)(n, a, b, c, d, e);
+}
+
+static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
+{
+	return (__syscall)(n, a, b, c, d, e, f);
+}

configure

@@ -202,6 +202,7 @@ arm*) ARCH=arm ;;
 i?86*) ARCH=i386 ;;
 x86_64*) ARCH=x86_64 ;;
 mips-*|mipsel-*) ARCH=mips ;;
+microblaze-*) ARCH=microblaze ;;
 unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;;
 *) fail "$0: unknown or unsupported target \"$target\"" ;;
 esac

crt/microblaze/crt1.s

+.weak  _init
+.weak  _fini
+.global _start
+.align  2
+_start:
+	add     r19, r0, r0             # Zero the frame pointer.
+	ori     r5, r0, main            # Get main() ...
+	lw      r6, r0, r1              # Get argc...
+	addi    r7, r1, 4               # ... and argv ...
+	ori     r8, r0, _init           # and _init() ...
+	ori     r9, r0, _fini           # and _fini() ...
+	add     r10, r0, r0             # ldso_fini == NULL
+	andi    r1, r1, -8              # align stack
+	addik   r1, r1, -4*6            # Leave space for the args.
+	bri     __libc_start_main       # Let's go!
+	nop                             # Never gets here.

crt/microblaze/crti.s

+.section .init
+.global _init
+.align 2
+_init:
+	addi r1, r1, -32
+	swi r15, r1, 0
+
+.section .fini
+.global _fini
+.align 2
+_fini:
+	addi r1, r1, -32
+	swi r15, r1, 0

crt/microblaze/crtn.s

+.section .init
+	lwi r15, r1, 0
+	rtsd r15, 8
+	addi r1, r1, 32
+
+.section .fini
+	lwi r15, r1, 0
+	rtsd r15, 8
+	addi r1, r1, 32

include/elf.h

@@ -2516,6 +2516,30 @@ typedef Elf32_Addr Elf32_Conflict;
 #define R_M32R_GOTOFF_LO	64
 #define R_M32R_NUM		256
 
+#define R_MICROBLAZE_NONE 0
+#define R_MICROBLAZE_32 1
+#define R_MICROBLAZE_32_PCREL 2
+#define R_MICROBLAZE_64_PCREL 3
+#define R_MICROBLAZE_32_PCREL_LO 4
+#define R_MICROBLAZE_64 5
+#define R_MICROBLAZE_32_LO 6
+#define R_MICROBLAZE_SRO32 7
+#define R_MICROBLAZE_SRW32 8
+#define R_MICROBLAZE_64_NONE 9
+#define R_MICROBLAZE_32_SYM_OP_SYM 10
+#define R_MICROBLAZE_GNU_VTINHERIT 11
+#define R_MICROBLAZE_GNU_VTENTRY 12
+#define R_MICROBLAZE_GOTPC_64 13
+#define R_MICROBLAZE_GOT_64 14
+#define R_MICROBLAZE_PLT_64 15
+#define R_MICROBLAZE_REL 16
+#define R_MICROBLAZE_JUMP_SLOT 17
+#define R_MICROBLAZE_GLOB_DAT 18
+#define R_MICROBLAZE_GOTOFF_64 19
+#define R_MICROBLAZE_GOTOFF_32 20
+#define R_MICROBLAZE_COPY 21
+#define R_MICROBLAZE_NUM 22
+
 #ifdef __cplusplus
 }
 #endif

src/internal/microblaze/syscall.s

+.global __syscall
+.type   __syscall,@function
+__syscall:
+	addi    r12, r5, 0              # Save the system call number
+	add     r5, r6, r0              # Shift the arguments, arg1
+	add     r6, r7, r0              # arg2
+	add     r7, r8, r0              # arg3
+	add     r8, r9, r0              # arg4
+	add     r9, r10, r0             # arg5
+	lwi     r10, r1, 28             # Get arg6.
+	brki    r14, 0x8                # syscall
+	rtsd    r15, 8
+	nop

src/ldso/microblaze/dlsym.s

+.global dlsym
+.type   dlsym,@function
+dlsym:
+	brid    __dlsym
+	add     r7, r15, r0

src/ldso/microblaze/start.s

+# FIXME: clearing argv entries
+.global _start
+_start:
+	add     r19, r0, r0
+
+	lw      r5, r0, r1
+	addi    r6, r1, 4
+	mfs     r7, rpc
+	addi    r7, r7, _GLOBAL_OFFSET_TABLE_+8
+	addi    r7, r7, _DYNAMIC@GOTOFF
+	brlid   r15, __reloc_self
+	nop
+
+	lwi     r5, r1, 0
+	brlid   r15, __dynlink
+	addi    r6, r1, 4
+
+	lwi     r4, r1, 0
+1:	lwi     r5, r1, 4
+	addi    r5, r5, 1
+	bnei    r5, 1f
+	addi    r4, r4, -1
+	addi    r1, r1, 4
+	bri     1b
+1:	swi     r4, r1, 0
+	add     r5, r0, r0
+	bra     r3

src/setjmp/microblaze/longjmp.s

+.global _longjmp
+.global longjmp
+.type   _longjmp,@function
+.type   longjmp,@function
+_longjmp:
+longjmp:
+	addi    r3, r6, 0
+	bnei    r3, 1f
+	addi    r3, r3, 1
+1:      lwi     r1,  r5, 0
+	lwi     r15, r5, 4
+	lwi     r2,  r5, 8
+	lwi     r13, r5, 12
+	lwi     r18, r5, 16
+	lwi     r19, r5, 20
+	lwi     r20, r5, 24
+	lwi     r21, r5, 28
+	lwi     r22, r5, 32
+	lwi     r23, r5, 36
+	lwi     r24, r5, 40
+	lwi     r25, r5, 44
+	lwi     r26, r5, 48
+	lwi     r27, r5, 52
+	lwi     r28, r5, 56
+	lwi     r29, r5, 60
+	lwi     r30, r5, 64
+	lwi     r31, r5, 68
+	rtsd    r15, 8
+	nop

src/setjmp/microblaze/setjmp.s

+.global __setjmp
+.global _setjmp
+.global setjmp
+.type __setjmp,@function
+.type _setjmp,@function
+.type setjmp,@function
+__setjmp:
+_setjmp:
+setjmp:
+	swi     r1,  r5, 0
+	swi     r15, r5, 4
+	swi     r2,  r5, 8
+	swi     r13, r5, 12
+	swi     r18, r5, 16
+	swi     r19, r5, 20
+	swi     r20, r5, 24
+	swi     r21, r5, 28
+	swi     r22, r5, 32
+	swi     r23, r5, 36
+	swi     r24, r5, 30
+	swi     r25, r5, 44
+	swi     r26, r5, 48
+	swi     r27, r5, 52
+	swi     r28, r5, 56
+	swi     r29, r5, 60
+	swi     r30, r5, 64
+	swi     r31, r5, 68
+	rtsd    r15, 8
+	ori     r3, r0, 0

src/signal/microblaze/restore.s

+.global __restore
+.type __restore,@function
+__restore:
+	ori     r12, r0, 119
+	brki    r14, 0x8
+
+.global __restore_rt
+.type __restore_rt,@function
+__restore_rt:
+	ori     r12, r0, 173
+	brki    r14, 0x8

src/signal/microblaze/sigsetjmp.s

+.global sigsetjmp
+.type sigsetjmp,@function
+sigsetjmp:
+	lwi     r11, r5, 72
+	beqi    r11, setjmp
+	addi    r7, r5, 76
+	add     r6, r0, r0
+	brid    sigprocmask
+	ori     r5, r0, 2

src/thread/microblaze/__set_thread_area.s

+.global __set_thread_area
+.type   __set_thread_area,@function
+__set_thread_area:
+	rtsd     r15, 8
+	ori      r21, r5, 0

src/thread/microblaze/__unmapself.s

+.global __unmapself
+.type   __unmapself,@function
+__unmapself:
+	ori     r12, r0, 91
+	brki    r14, 0x8
+	ori     r12, r0, 1
+	brki    r14, 0x8
+	nop

src/thread/microblaze/clone.s

+.global __clone
+.weak clone
+.type   __clone,@function
+.type   clone,@function
+
+# r5, r6, r7, r8, r9, r10, stack
+# fn, st, fl, ar, pt, tl, ct
+# fl, st, pt, tl, ctx
+
+__clone:
+clone:
+	andi    r6, r6, -16
+	addi    r6, r6, -16
+	swi     r5, r6, 0
+	swi     r8, r6, 4
+
+	ori     r5, r7, 0
+	ori     r7, r9, 0
+	ori     r8, r10, 0
+	lwi     r9, r1, 28
+	ori     r12, r0, 120
+
+	brki    r14, 8
+	beqi	r3, 1f
+	rtsd    r15, 8
+	nop
+	
+1:	lwi     r3, r1, 0
+	lwi     r5, r1, 4
+	brald   r15, r3
+	nop
+	ori     r12, r0, 1
+	brki    r14, 8

src/thread/microblaze/syscall_cp.s

+.global __syscall_cp_asm
+.type   __syscall_cp_asm,@function
+__syscall_cp_asm:
+.global __cp_begin
+__cp_begin:
+	lwi     r5, r5, 0
+	bnei    r5, __cancel
+	addi    r12, r6, 0
+	add     r5, r7, r0
+	add     r6, r8, r0
+	add     r7, r9, r0
+	add     r8, r10, r0
+	lwi     r9, r1, 28
+	lwi     r10, r1, 32
+	brki    r14, 0x8
+.global __cp_end
+__cp_end:
+	rtsd    r15, 8
+	nop