diff options
31 files changed, 1932 insertions, 0 deletions
diff --git a/extra/Configs/Config.bfin b/extra/Configs/Config.bfin new file mode 100644 index 000000000..c4258e36b --- /dev/null +++ b/extra/Configs/Config.bfin @@ -0,0 +1,28 @@ +# +# For a description of the syntax of this configuration file, +# see extra/config/Kconfig-language.txt +# + +config TARGET_ARCH + default "bfin" + +config HAVE_ELF + bool + select ARCH_HAS_NO_MMU + select ARCH_LITTLE_ENDIAN + select HAVE_NO_SHARED + select ARCH_HAS_NO_LDSO + default y + +config ARCH_CFLAGS + string + +config ARCH_LDFLAGS + string + +config LIBGCC_CFLAGS + string + +config HAVE_ELF + bool + default y diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in index 6969bdb5e..c65a767e7 100644 --- a/extra/Configs/Config.in +++ b/extra/Configs/Config.in @@ -17,6 +17,9 @@ config TARGET_alpha config TARGET_arm bool "arm" +config TARGET_bfin + bool "bfin" + config TARGET_cris bool "cris" @@ -75,6 +78,10 @@ if TARGET_arm source "extra/Configs/Config.arm" endif +if TARGET_bfin +source "extra/Configs/Config.bfin" +endif + if TARGET_cris source "extra/Configs/Config.cris" endif diff --git a/libc/sysdeps/linux/bfin/Makefile b/libc/sysdeps/linux/bfin/Makefile new file mode 100644 index 000000000..23a88f43d --- /dev/null +++ b/libc/sysdeps/linux/bfin/Makefile @@ -0,0 +1,86 @@ +# Makefile for uClibc +# +# Copyright (C) 2000-2004 Erik Andersen <andersen@uclibc.org> +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU Library General Public License as published by the Free +# Software Foundation; either version 2 of the License, or (at your option) any +# later version. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more +# details. +# +# You should have received a copy of the GNU Library General Public License +# along with this program; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +TOPDIR=../../../../ +include $(TOPDIR)Rules.mak +ASFLAGS=$(CFLAGS) + +CRT0_SRC = crt0.S +CRT0_OBJ = crt0.o +#CTOR_TARGETS=$(TOPDIR)lib/crti.o $(TOPDIR)lib/crtn.o +CTOR_TARGETS= + +SSRC= __longjmp.S setjmp.S bsd-_setjmp.S vfork.S +SOBJS=$(patsubst %.S,%.o, $(SSRC)) + +CSRC=brk.c bsdsetjmp.c clone.c syscall.c +COBJS=$(patsubst %.c,%.o, $(CSRC)) + +OBJS=$(SOBJS) $(MOBJ) $(COBJS) + +all: $(OBJS) $(LIBC) + +$(LIBC): ar-target + +ar-target: $(OBJS) $(CRT0_OBJ) $(CTOR_TARGETS) + $(AR) $(ARFLAGS) $(LIBC) $(OBJS) + mkdir -p $(TOPDIR)lib/ + cp $(CRT0_OBJ) $(TOPDIR)lib/ + +$(CRT0_OBJ): $(CRT0_SRC) + $(CC) $(CFLAGS) -DL_$* $< -c -o $*.o + $(STRIPTOOL) -x -R .note -R .comment $*.o + +$(SOBJS): %.o : %.S + $(CC) $(CFLAGS) -c $< -o $@ + $(STRIPTOOL) -x -R .note -R .comment $*.o + +$(COBJS): %.o : %.c + $(CC) $(CFLAGS) -c $< -o $@ + $(STRIPTOOL) -x -R .note -R .comment $*.o + +ifeq ($(strip $(UCLIBC_CTOR_DTOR)),y) +crti.o: crti.S + $(CC) $(CFLAGS) -c crti.S -o crti.o + +$(TOPDIR)lib/crti.o: crti.o + $(INSTALL) -d $(TOPDIR)lib/ + cp crti.o $(TOPDIR)lib/ + +crtn.o: crtn.S + $(CC) $(CFLAGS) -c crtn.S -o crtn.o + +$(TOPDIR)lib/crtn.o: crtn.o + $(INSTALL) -d $(TOPDIR)lib/ + cp crtn.o $(TOPDIR)lib/ +else +$(TOPDIR)lib/crti.o: + $(INSTALL) -d $(TOPDIR)lib/ + $(AR) $(ARFLAGS) $(TOPDIR)lib/crti.o +$(TOPDIR)lib/crtn.o: + $(INSTALL) -d $(TOPDIR)lib/ + $(AR) $(ARFLAGS) $(TOPDIR)lib/crtn.o +endif + +headers: + +clean: + $(RM) *.[oa] *~ core + $(RM) bits/sysnum.h + $(RM) $(TOPDIR)lib/crt0.o + diff --git a/libc/sysdeps/linux/bfin/README.bfin b/libc/sysdeps/linux/bfin/README.bfin new file mode 100644 index 000000000..e27b41dd7 --- /dev/null +++ b/libc/sysdeps/linux/bfin/README.bfin @@ -0,0 +1,21 @@ +README for uClibc on the blackfin architecture + +developed/tested with bfin-elf-gcc 3.4.1, from + +Configuration: + + Read and edit the Config file, carefully. + + TARGET_ARCH=blackfin + CROSS = bfin-elf- + CC = $(CROSS)gcc + STRIPTOOL = $(CROSS)strip + KERNEL_SOURCE= your linux 2.6.8 kernel source tree + HAS_MMU = false + HAS_FLOATS = false + MALLOC = malloc-simple + +Problems: + The regular malloc library is broken. Use simple-malloc. + +TODO: diff --git a/libc/sysdeps/linux/bfin/__longjmp.S b/libc/sysdeps/linux/bfin/__longjmp.S new file mode 100644 index 000000000..4c5189976 --- /dev/null +++ b/libc/sysdeps/linux/bfin/__longjmp.S @@ -0,0 +1,110 @@ +/* + * longjmp for the Blackfin project + * + * Copyright (C) 2004, + * Based on code from Analog Devices. + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License. See the file COPYING.LIB in the main + * directory of this archive for more details. + * + */ +#include <features.h> +#define _SETJMP_H +#define _ASM +#include <bits/setjmp.h> + +.globl ___longjmp; +.align 4; + +___longjmp: + P0 = R0; + R0 = [P0 + 0x00]; + [--SP] = R0; // Put P0 on the stack + + P1 = [P0 + 0x04]; + P2 = [P0 + 0x08]; + P3 = [P0 + 0x0C]; + P4 = [P0 + 0x10]; + P5 = [P0 + 0x14]; + + FP = [P0 + 0x18]; + R0 = [SP++]; // Grab P0 from old stack + SP = [P0 + 0x1C]; // Update Stack Pointer + [--SP] = R0; // Put P0 on new stack + [--SP] = R1; // Put VAL arg on new stack + + R0 = [P0 + 0x20]; // Data Registers + R1 = [P0 + 0x24]; + R2 = [P0 + 0x28]; + R3 = [P0 + 0x2C]; + R4 = [P0 + 0x30]; + R5 = [P0 + 0x34]; + R6 = [P0 + 0x38]; + R7 = [P0 + 0x3C]; + + R0 = [P0 + 0x40]; + ASTAT = R0; + + R0 = [P0 + 0x44]; // Loop Counters + LC0 = R0; + R0 = [P0 + 0x48]; + LC1 = R0; + + R0 = [P0 + 0x4C]; // Accumulators + A0.W = R0; + R0 = [P0 + 0x50]; + A0.X = R0; + R0 = [P0 + 0x54]; + A1.W = R0; + R0 = [P0 + 0x58]; + A1.X = R0; + + R0 = [P0 + 0x5C]; // Index Registers + I0 = R0; + R0 = [P0 + 0x60]; + I1 = R0; + R0 = [P0 + 0x64]; + I2 = R0; + R0 = [P0 + 0x68]; + I3 = R0; + + R0 = [P0 + 0x6C]; // Modifier Registers + M0 = R0; + R0 = [P0 + 0x70]; + M1 = R0; + R0 = [P0 + 0x74]; + M2 = R0; + R0 = [P0 + 0x78]; + M3 = R0; + + R0 = [P0 + 0x7C]; // Length Registers + L0 = R0; + R0 = [P0 + 0x80]; + L1 = R0; + R0 = [P0 + 0x84]; + L2 = R0; + R0 = [P0 + 0x88]; + L3 = R0; + + R0 = [P0 + 0x8C]; // Base Registers + B0 = R0; + R0 = [P0 + 0x90]; + B1 = R0; + R0 = [P0 + 0x94]; + B2 = R0; + R0 = [P0 + 0x98]; + B3 = R0; + + R0 = [P0 + 0x9C]; // Return Address (PC) + RETS = R0; + + R0 = [SP++]; + P0 = [SP++]; + + CC = R0 == 0; + IF !CC JUMP finished; + R0 = 1; +finished: + RTS; +___longjmp.end: diff --git a/libc/sysdeps/linux/bfin/bits/endian.h b/libc/sysdeps/linux/bfin/bits/endian.h new file mode 100644 index 000000000..8a36cf707 --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/endian.h @@ -0,0 +1,7 @@ +/* Blackfin is Little-endian. */ + +#ifndef _ENDIAN_H +# error "Never use <bits/endian.h> directly; include <endian.h> instead." +#endif + +#define __BYTE_ORDER __LITTLE_ENDIAN diff --git a/libc/sysdeps/linux/bfin/bits/fcntl.h b/libc/sysdeps/linux/bfin/bits/fcntl.h new file mode 100644 index 000000000..4b41b4715 --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/fcntl.h @@ -0,0 +1,180 @@ +/* O_*, F_*, FD_* bit values for Linux. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _FCNTL_H +# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." +#endif + + +#include <sys/types.h> + +/* open/fcntl - O_SYNC is only implemented on blocks devices and on files + located on an ext2 file system */ +#define O_ACCMODE 0003 +#define O_RDONLY 00 +#define O_WRONLY 01 +#define O_RDWR 02 +#define O_CREAT 0100 /* not fcntl */ +#define O_EXCL 0200 /* not fcntl */ +#define O_NOCTTY 0400 /* not fcntl */ +#define O_TRUNC 01000 /* not fcntl */ +#define O_APPEND 02000 +#define O_NONBLOCK 04000 +#define O_NDELAY O_NONBLOCK +#define O_SYNC 010000 +#define O_FSYNC O_SYNC +#define O_ASYNC 020000 + +#ifdef __USE_GNU +# define O_DIRECTORY 040000 /* Must be a directory. */ +# define O_NOFOLLOW 0100000 /* Do not follow links. */ +# define O_DIRECT 0200000 /* Direct disk access. */ +# define O_STREAMING 04000000/* streaming access */ +#endif + +/* For now Linux has synchronisity options for data and read operations. + We define the symbols here but let them do the same as O_SYNC since + this is a superset. */ +#if defined __USE_POSIX199309 || defined __USE_UNIX98 +# define O_DSYNC O_SYNC /* Synchronize data. */ +# define O_RSYNC O_SYNC /* Synchronize read operations. */ +#endif + +#ifdef __USE_LARGEFILE64 +# define O_LARGEFILE 0400000 +#endif + +/* Values for the second argument to `fcntl'. */ +#define F_DUPFD 0 /* Duplicate file descriptor. */ +#define F_GETFD 1 /* Get file descriptor flags. */ +#define F_SETFD 2 /* Set file descriptor flags. */ +#define F_GETFL 3 /* Get file status flags. */ +#define F_SETFL 4 /* Set file status flags. */ +#ifndef __USE_FILE_OFFSET64 +# define F_GETLK 5 /* Get record locking info. */ +# define F_SETLK 6 /* Set record locking info (non-blocking). */ +# define F_SETLKW 7 /* Set record locking info (blocking). */ +#else +# define F_GETLK F_GETLK64 /* Get record locking info. */ +# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/ +# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */ +#endif +#define F_GETLK64 12 /* Get record locking info. */ +#define F_SETLK64 13 /* Set record locking info (non-blocking). */ +#define F_SETLKW64 14 /* Set record locking info (blocking). */ + +#if defined __USE_BSD || defined __USE_XOPEN2K +# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */ +# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */ +#endif + +#ifdef __USE_GNU +# define F_SETSIG 10 /* Set number of signal to be sent. */ +# define F_GETSIG 11 /* Get number of signal to be sent. */ +#endif + +#ifdef __USE_GNU +# define F_SETLEASE 1024 /* Set a lease. */ +# define F_GETLEASE 1025 /* Enquire what lease is active. */ +# define F_NOTIFY 1026 /* Request notfications on a directory. */ +#endif + +/* For F_[GET|SET]FL. */ +#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ + +/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */ +#define F_RDLCK 0 /* Read lock. */ +#define F_WRLCK 1 /* Write lock. */ +#define F_UNLCK 2 /* Remove lock. */ + +/* For old implementation of bsd flock(). */ +#define F_EXLCK 4 /* or 3 */ +#define F_SHLCK 8 /* or 4 */ + +#ifdef __USE_BSD +/* Operations for bsd flock(), also used by the kernel implementation. */ +# define LOCK_SH 1 /* shared lock */ +# define LOCK_EX 2 /* exclusive lock */ +# define LOCK_NB 4 /* or'd with one of the above to prevent + blocking */ +# define LOCK_UN 8 /* remove lock */ +#endif + +#ifdef __USE_GNU +# define LOCK_MAND 32 /* This is a mandatory flock: */ +# define LOCK_READ 64 /* ... which allows concurrent read operations. */ +# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */ +# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */ +#endif + +#ifdef __USE_GNU +/* Types of directory notifications that may be requested with F_NOTIFY. */ +# define DN_ACCESS 0x00000001 /* File accessed. */ +# define DN_MODIFY 0x00000002 /* File modified. */ +# define DN_CREATE 0x00000004 /* File created. */ +# define DN_DELETE 0x00000008 /* File removed. */ +# define DN_RENAME 0x00000010 /* File renamed. */ +# define DN_ATTRIB 0x00000020 /* File changed attibutes. */ +# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */ +#endif + +struct flock + { + short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ + short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ +#ifndef __USE_FILE_OFFSET64 + __off_t l_start; /* Offset where the lock begins. */ + __off_t l_len; /* Size of the locked area; zero means until EOF. */ +#else + __off64_t l_start; /* Offset where the lock begins. */ + __off64_t l_len; /* Size of the locked area; zero means until EOF. */ +#endif + __pid_t l_pid; /* Process holding the lock. */ + }; + +#ifdef __USE_LARGEFILE64 +struct flock64 + { + short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ + short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ + __off64_t l_start; /* Offset where the lock begins. */ + __off64_t l_len; /* Size of the locked area; zero means until EOF. */ + __pid_t l_pid; /* Process holding the lock. */ + }; +#endif + +/* Define some more compatibility macros to be backward compatible with + BSD systems which did not managed to hide these kernel macros. */ +#ifdef __USE_BSD +# define FAPPEND O_APPEND +# define FFSYNC O_FSYNC +# define FASYNC O_ASYNC +# define FNONBLOCK O_NONBLOCK +# define FNDELAY O_NDELAY +#endif /* Use BSD. */ + +/* Advise to `posix_fadvise'. */ +#ifdef __USE_XOPEN2K +# define POSIX_FADV_NORMAL 0 /* No further special treatment. */ +# define POSIX_FADV_RANDOM 1 /* Expect random page references. */ +# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ +# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ +# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ +# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ +#endif diff --git a/libc/sysdeps/linux/bfin/bits/huge_val.h b/libc/sysdeps/linux/bfin/bits/huge_val.h new file mode 100644 index 000000000..f5f5b642a --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/huge_val.h @@ -0,0 +1,103 @@ +/* `HUGE_VAL' constants for blackfin (where it is infinity). + Used by <stdlib.h> and <math.h> functions for overflow. + Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _MATH_H +# error "Never use <bits/huge_val.h> directly; include <math.h> instead." +#endif + +#include <features.h> + +/* IEEE positive infinity (-HUGE_VAL is negative infinity). */ + +#ifdef __GNUC__ + +# if __GNUC_PREREQ(2,96) + +# define HUGE_VAL (__extension__ 0x1.0p2047) + +# else + +# define HUGE_VAL \ + (__extension__ \ + ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ + { __l: 0x000000007ff00000ULL }).__d) + +# endif + +#else /* not GCC */ + +# include <endian.h> + +typedef union { unsigned char __c[8]; double __d; } __huge_val_t; + +# if __BYTE_ORDER == __BIG_ENDIAN +# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 } +# endif +# if __BYTE_ORDER == __LITTLE_ENDIAN +# define __HUGE_VAL_bytes { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 } +# endif + +static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; +# define HUGE_VAL (__huge_val.__d) + +#endif /* GCC. */ + + +/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */ + +#ifdef __USE_ISOC99 + +# ifdef __GNUC__ + +# if __GNUC_PREREQ(2,96) + +# define HUGE_VALF (__extension__ 0x1.0p255f) + +# else + +# define HUGE_VALF \ + (__extension__ \ + ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \ + { __l: 0x7f800000UL }).__d) + +# endif + +# else /* not GCC */ + +typedef union { unsigned char __c[4]; float __f; } __huge_valf_t; + +# if __BYTE_ORDER == __BIG_ENDIAN +# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 } +# endif +# if __BYTE_ORDER == __LITTLE_ENDIAN +# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f } +# endif + +static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes }; +# define HUGE_VALF (__huge_valf.__f) + +# endif /* GCC. */ + + +/* Generally there is no separate `long double' format and it is the + same as `double'. */ +# define HUGE_VALL HUGE_VAL + +#endif /* __USE_ISOC99. */ diff --git a/libc/sysdeps/linux/bfin/bits/kernel_stat.h b/libc/sysdeps/linux/bfin/bits/kernel_stat.h new file mode 100644 index 000000000..f10f72ae1 --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/kernel_stat.h @@ -0,0 +1,57 @@ +#ifndef _BITS_STAT_STRUCT_H +#define _BITS_STAT_STRUCT_H + +/* This file provides whatever this particular arch's kernel thinks + * struct kernel_stat should look like... It turns out each arch has a + * different opinion on the subject... */ + +struct kernel_stat { + unsigned short st_dev; + unsigned short __pad1; + unsigned long st_ino; + unsigned short st_mode; + unsigned short st_nlink; + unsigned short st_uid; + unsigned short st_gid; + unsigned short st_rdev; + unsigned short __pad2; + unsigned long st_size; + unsigned long st_blksize; + unsigned long st_blocks; + unsigned long st_atime; + unsigned long __unused1; + unsigned long st_mtime; + unsigned long __unused2; + unsigned long st_ctime; + unsigned long __unused3; + unsigned long __unused4; + unsigned long __unused5; +}; + +struct kernel_stat64 { + unsigned char __pad0[6]; + unsigned short st_dev; + unsigned char __pad1[2]; +#define _HAVE_STAT64___ST_INO + unsigned long __st_ino; + unsigned int st_mode; + unsigned int st_nlink; + unsigned long st_uid; + unsigned long st_gid; + unsigned char __pad2[6]; + unsigned short st_rdev; + unsigned char __pad3[2]; + long long st_size; + unsigned long st_blksize; + unsigned long __pad4; /* future possible st_blocks high bits */ + unsigned long st_blocks; /* Number 512-byte blocks allocated. */ + unsigned long st_atime; + unsigned long __pad5; + unsigned long st_mtime; + unsigned long __pad6; + unsigned long st_ctime; + unsigned long __pad7; /* will be high 32 bits of ctime someday */ + unsigned long long st_ino; +}; +#endif /* _BITS_STAT_STRUCT_H */ + diff --git a/libc/sysdeps/linux/bfin/bits/kernel_types.h b/libc/sysdeps/linux/bfin/bits/kernel_types.h new file mode 100644 index 000000000..520daf184 --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/kernel_types.h @@ -0,0 +1,43 @@ +/* Note that we use the exact same include guard #define names + * as asm/posix_types.h. This will avoid gratuitous conflicts + * with the posix_types.h kernel header, and will ensure that + * our private content, and not the kernel header, will win. + * -Erik + */ + +#ifndef __ARCH_BFIN_POSIX_TYPES_H +#define __ARCH_BFIN_POSIX_TYPES_H +typedef unsigned short __kernel_dev_t; +typedef unsigned long __kernel_ino_t; +typedef unsigned short __kernel_mode_t; +typedef unsigned short __kernel_nlink_t; +typedef long __kernel_off_t; +typedef int __kernel_pid_t; +typedef unsigned short __kernel_ipc_pid_t; +typedef unsigned short __kernel_uid_t; +typedef unsigned short __kernel_gid_t; +typedef unsigned int __kernel_size_t; +typedef int __kernel_ssize_t; +typedef int __kernel_ptrdiff_t; +typedef long __kernel_time_t; +typedef long __kernel_suseconds_t; +typedef long __kernel_clock_t; +typedef int __kernel_daddr_t; +typedef char * __kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; +typedef unsigned int __kernel_uid32_t; +typedef unsigned int __kernel_gid32_t; +typedef unsigned short __kernel_old_uid_t; +typedef unsigned short __kernel_old_gid_t; +typedef long long __kernel_loff_t; + +typedef struct { +#ifdef __USE_ALL + int val[2]; +#else + int __val[2]; +#endif +} __kernel_fsid_t; + +#endif /* __ARCH_BFIN_POSIX_TYPES_H */ diff --git a/libc/sysdeps/linux/bfin/bits/mman.h b/libc/sysdeps/linux/bfin/bits/mman.h new file mode 100644 index 000000000..0e0f8d113 --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/mman.h @@ -0,0 +1,93 @@ +/* Definitions for POSIX memory map interface. Linux/m68k version. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_MMAN_H +# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." +#endif + +/* The following definitions basically come from the kernel headers. + But the kernel header is not namespace clean. */ + + +/* Protections are chosen from these bits, OR'd together. The + implementation does not necessarily support PROT_EXEC or PROT_WRITE + without PROT_READ. The only guarantees are that no writing will be + allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */ + +#define PROT_READ 0x1 /* Page can be read. */ +#define PROT_WRITE 0x2 /* Page can be written. */ +#define PROT_EXEC 0x4 /* Page can be executed. */ +#define PROT_NONE 0x0 /* Page can not be accessed. */ + +/* Sharing types (must choose one and only one of these). */ +#define MAP_SHARED 0x01 /* Share changes. */ +#define MAP_PRIVATE 0x02 /* Changes are private. */ +#ifdef __USE_MISC +# define MAP_TYPE 0x0f /* Mask for type of mapping. */ +#endif + +/* Other flags. */ +#define MAP_FIXED 0x10 /* Interpret addr exactly. */ +#ifdef __USE_MISC +# define MAP_FILE 0 +# define MAP_ANONYMOUS 0x20 /* Don't use a file. */ +# define MAP_ANON MAP_ANONYMOUS +#endif + +/* These are Linux-specific. */ +#ifdef __USE_MISC +# define MAP_GROWSDOWN 0x0100 /* Stack-like segment. */ +# define MAP_DENYWRITE 0x0800 /* ETXTBSY */ +# define MAP_EXECUTABLE 0x1000 /* Mark it as an executable. */ +# define MAP_LOCKED 0x2000 /* Lock the mapping. */ +# define MAP_NORESERVE 0x4000 /* Don't check for reservations. */ +#endif + +/* Flags to `msync'. */ +#define MS_ASYNC 1 /* Sync memory asynchronously. */ +#define MS_SYNC 4 /* Synchronous memory sync. */ +#define MS_INVALIDATE 2 /* Invalidate the caches. */ + +/* Flags for `mlockall'. */ +#define MCL_CURRENT 1 /* Lock all currently mapped pages. */ +#define MCL_FUTURE 2 /* Lock all additions to address + space. */ + +/* Flags for `mremap'. */ +#ifdef __USE_GNU +# define MREMAP_MAYMOVE 1 +#endif + +/* Advice to `madvise'. */ +#ifdef __USE_BSD +# define MADV_NORMAL 0 /* No further special treatment. */ +# define MADV_RANDOM 1 /* Expect random page references. */ +# define MADV_SEQUENTIAL 2 /* Expect sequential page references. */ +# define MADV_WILLNEED 3 /* Will need these pages. */ +# define MADV_DONTNEED 4 /* Don't need these pages. */ +#endif + +/* The POSIX people had to invent similar names for the same things. */ +#ifdef __USE_XOPEN2K +# define POSIX_MADV_NORMAL 0 /* No further special treatment. */ +# define POSIX_MADV_RANDOM 1 /* Expect random page references. */ +# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references. */ +# define POSIX_MADV_WILLNEED 3 /* Will need these pages. */ +# define POSIX_MADV_DONTNEED 4 /* Don't need these pages. */ +#endif diff --git a/libc/sysdeps/linux/bfin/bits/setjmp.h b/libc/sysdeps/linux/bfin/bits/setjmp.h new file mode 100644 index 000000000..abb7db6a0 --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/setjmp.h @@ -0,0 +1,53 @@ +/* Copyright (C) 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* Define the machine-dependent type `jmp_buf'. bfin version. Lineo, Inc. 2001*/ + +#ifndef _SETJMP_H +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." +#endif + +#ifndef _ASM +/* Jump buffer contains r7-r4, p5-p3, fp, sp and pc. Other registers are not saved. */ +typedef struct +{ + unsigned long __pregs[6]; + unsigned long fp; + unsigned long sp; + unsigned long __rregs[8]; + unsigned long astat; + unsigned long __lcregs[2]; + unsigned long a0w; + unsigned long a0x; + unsigned long a1w; + unsigned long a1x; + unsigned long __iregs[4]; + unsigned long __mregs[4]; + unsigned long __lregs[4]; + unsigned long __bregs[4]; + unsigned long pc; +}__jmp_buf[1]; + +#endif + +#define __JMP_BUF_SP 8 + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((void *) (address) < (void *) (jmpbuf)->__pregs[6]) diff --git a/libc/sysdeps/linux/bfin/bits/sigcontextinfo.h b/libc/sysdeps/linux/bfin/bits/sigcontextinfo.h new file mode 100644 index 000000000..b7e08cfc9 --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/sigcontextinfo.h @@ -0,0 +1,26 @@ +/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>, 1998. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#define SIGCONTEXT int _code, struct sigcontext * +#define SIGCONTEXT_EXTRA_ARGS _code, +#define GET_PC(ctx) ((void *) (ctx)->sc_pc) +#define GET_FRAME(ctx) ((void *) __builtin_frame_address (1)) +#define GET_STACK(ctx) ((void *) (ctx)->sc_usp) +#define CALL_SIGHANDLER(handler, signo, ctx) \ + (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx)) diff --git a/libc/sysdeps/linux/bfin/bits/stackinfo.h b/libc/sysdeps/linux/bfin/bits/stackinfo.h new file mode 100644 index 000000000..9e26de13f --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/stackinfo.h @@ -0,0 +1,28 @@ +/* Copyright (C) 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* This file contains a bit of information about the stack allocation + of the processor. */ + +#ifndef _STACKINFO_H +#define _STACKINFO_H 1 + +/* On blackfin the stack grows down. */ +#define _STACK_GROWS_DOWN 1 + +#endif /* stackinfo.h */ diff --git a/libc/sysdeps/linux/bfin/bits/syscalls.h b/libc/sysdeps/linux/bfin/bits/syscalls.h new file mode 100644 index 000000000..62541b873 --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/syscalls.h @@ -0,0 +1,19 @@ +#ifndef _BITS_SYSCALLS_H +#define _BITS_SYSCALLS_H +#ifndef _SYSCALL_H +# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead." +#endif + +#include <features.h> + +/* Do something very evil for now. Until we create our own syscall + * macros, short circuit bits/sysnum.h and use asm/unistd.h instead */ +#include <asm/unistd.h> + +/* This includes the `__NR_<name>' syscall numbers taken from the Linux kernel + * header files. It also defines the traditional `SYS_<name>' macros for older + * programs. */ +#include <bits/sysnum.h> + +#endif /* _BITS_SYSCALLS_H */ + diff --git a/libc/sysdeps/linux/bfin/bits/wordsize.h b/libc/sysdeps/linux/bfin/bits/wordsize.h new file mode 100644 index 000000000..ba643b60a --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/wordsize.h @@ -0,0 +1,19 @@ +/* Copyright (C) 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#define __WORDSIZE 32 diff --git a/libc/sysdeps/linux/bfin/brk.c b/libc/sysdeps/linux/bfin/brk.c new file mode 100644 index 000000000..178124ed3 --- /dev/null +++ b/libc/sysdeps/linux/bfin/brk.c @@ -0,0 +1,30 @@ + +#include <unistd.h> +#include <sys/syscall.h> +#include <errno.h> + +/* This must be initialized data because commons can't have aliases. */ +void * __curbrk = 0; + +int brk (void *addr) +{ + void *newbrk; + + __asm__ __volatile__( + "P0 = %2;\n\t" + "R0 = %1;\n\t" + "excpt 0;\n\t" + "%0 = R0;\n\t" + : "=r"(newbrk) + : "r"(addr), "i" (__NR_brk): "P0" ); + + __curbrk = newbrk; + + if (newbrk < addr) + { + __set_errno (ENOMEM); + return -1; + } + + return 0; +} diff --git a/libc/sysdeps/linux/bfin/bsd-_setjmp.S b/libc/sysdeps/linux/bfin/bsd-_setjmp.S new file mode 100644 index 000000000..969515fa6 --- /dev/null +++ b/libc/sysdeps/linux/bfin/bsd-_setjmp.S @@ -0,0 +1,97 @@ + +/* Copyright (C) 2002, David McCullough <davidm@snapgear.com> */ +/* This file is released under the LGPL, any version you like */ + +#define _ASM +#define _SETJMP_H +#include <bits/setjmp.h> + +.globl _setjmp; +.align 4; + +_setjmp: + [--SP] = P0; // Save P0 + P0 = R0; + R0 = [SP++]; + [P0 + 0x00] = R0; // Save saved P0 + [P0 + 0x04] = P1; + [P0 + 0x08] = P2; + [P0 + 0x0C] = P3; + [P0 + 0x10] = P4; + [P0 + 0x14] = P5; + + [P0 + 0x18] = FP; // Frame Pointer + [P0 + 0x1C] = SP; // Stack Pointer + + [P0 + 0x20] = P0; // Data Registers + [P0 + 0x24] = R1; + [P0 + 0x28] = R2; + [P0 + 0x2C] = R3; + [P0 + 0x30] = R4; + [P0 + 0x34] = R5; + [P0 + 0x38] = R6; + [P0 + 0x3C] = R7; + + R0 = ASTAT; + [P0 + 0x40] = R0; + + R0 = LC0; // Loop Counters + [P0 + 0x44] = R0; + R0 = LC1; + [P0 + 0x48] = R0; + + R0 = A0.W; // Accumulators + [P0 + 0x4C] = R0; + R0 = A0.X; + [P0 + 0x50] = R0; + R0 = A1.W; + [P0 + 0x54] = R0; + R0 = A1.X; + [P0 + 0x58] = R0; + + R0 = I0; // Index Registers + [P0 + 0x5C] = R0; + R0 = I1; + [P0 + 0x60] = R0; + R0 = I2; + [P0 + 0x64] = R0; + R0 = I3; + [P0 + 0x68] = R0; + + R0 = M0; // Modifier Registers + [P0 + 0x6C] = R0; + R0 = M1; + [P0 + 0x70] = R0; + R0 = M2; + [P0 + 0x74] = R0; + R0 = M3; + [P0 + 0x78] = R0; + + R0 = L0; // Length Registers + [P0 + 0x7c] = R0; + R0 = L1; + [P0 + 0x80] = R0; + R0 = L2; + [P0 + 0x84] = R0; + R0 = L3; + [P0 + 0x88] = R0; + + R0 = B0; // Base Registers + [P0 + 0x8C] = R0; + R0 = B1; + [P0 + 0x90] = R0; + R0 = B2; + [P0 + 0x94] = R0; + R0 = B3; + [P0 + 0x98] = R0; + + R0 = RETS; + [P0 + 0x9C] = R0; + + R0 = [P0 + 0x20]; + R0 = 0; + + RTS; +_setjmp.end: + + diff --git a/libc/sysdeps/linux/bfin/bsdsetjmp.c b/libc/sysdeps/linux/bfin/bsdsetjmp.c new file mode 100644 index 000000000..87de78a4c --- /dev/null +++ b/libc/sysdeps/linux/bfin/bsdsetjmp.c @@ -0,0 +1,100 @@ +/* + * setjmp for the Blackfin project + * + * Copyright (C) 2003, Metrowerks + * Based on code from Analog Devices. + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License. See the file COPYING.LIB in the main + * directory of this archive for more details. + * + */ +#include <setjmp.h> + +int setjmp(jmp_buf env){ + __asm__ __volatile__("[--SP] = p0;\n\t" + "p0 = r0;\n\t" + "r0 = [SP++];\n\t" + + "[p0++] = r0;\n\t" /* GP address registers */ + "[p0++] = p1;\n\t" + "[p0++] = p2;\n\t" + "[p0++] = p3;\n\t" + "[p0++] = p4;\n\t" + "[p0++] = p5;\n\t" + + "[p0++] = FP;\n\t" /* frame pointer */ + "[p0++] = SP;\n\t" /* stack pointer */ + + "[p0++] = p0;\n\t" /* data regs */ + "[p0++] = r1;\n\t" + "[p0++] = r2;\n\t" + "[p0++] = r3;\n\t" + "[p0++] = r4;\n\t" + "[p0++] = r5;\n\t" + "[p0++] = r6;\n\t" + "[p0++] = r7;\n\t" + + "r0 = ASTAT;\n\t" + "[p0++] = r0;\n\t" + + "r0 = LC0;\n\t" /* loop counters */ + "[p0++] = r0;\n\t" + "r0 = LC1;\n\t" + "[p0++] = r0;\n\t" + + "r0 = A0.w;\n\t" + "[p0++] = r0;\n\t" + "r0.l = A0.x;\n\t" + "[p0++] = r0;\n\t" + "r0 = A1.w;\n\t" + "[p0++] = r0;\n\t" + "r0.l = A1.x;\n\t" + "[p0++] = r0;\n\t" + + /* Dag regs */ + "r0 = i0;\n\t" /* index registers */ + "[p0++] = r0;\n\t" + "r0 = i1;\n\t" + "[p0++] = r0;\n\t" + "r0 = i2;\n\t" + "[p0++] = r0;\n\t" + "r0 = i3;\n\t" + "[p0++] = r0;\n\t" + + "r0 = m0;\n\t" /* modifier registers */ + "[p0++] = r0;\n\t" + "r0 = m1;\n\t" + "[p0++] = r0;\n\t" + "r0 = m2;\n\t" + "[p0++] = r0;\n\t" + "r0 = m3;\n\t" + "[p0++] = r0;\n\t" + + "r0 = l0;\n\t" /* length registers */ + "[p0++] = r0;\n\t" + "r0 = l1;\n\t" + "[p0++] = r0;\n\t" + "r0 = l2;\n\t" + "[p0++] = r0;\n\t" + "r0 = l3;\n\t" + "[p0++] = r0;\n\t" + + "r0 = b0;\n\t" /* base registers */ + "[p0++] = r0;\n\t" + "r0 = b1;\n\t" + "[p0++] = r0;\n\t" + "r0 = b2;\n\t" + "[p0++] = r0;\n\t" + "r0 = b3;\n\t" + "[p0++] = r0;\n\t" + + "r0 = RETS;\n\t" /* store return address */ + "[p0++] = r0;\n\t" + + "r0 = 0;\n\t" + : + : + ); +return 0; +} diff --git a/libc/sysdeps/linux/bfin/clone.c b/libc/sysdeps/linux/bfin/clone.c new file mode 100644 index 000000000..746da8e22 --- /dev/null +++ b/libc/sysdeps/linux/bfin/clone.c @@ -0,0 +1,39 @@ +/* + * libc/sysdeps/linux/bfin/clone.c -- `clone' syscall for linux/blackfin + * + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License. See the file COPYING.LIB in the main + * directory of this archive for more details. + * + */ + +#include <asm/unistd.h> + +int +clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg) +{ + register long rval = -1; + + if (fn && child_stack) { + + __asm__ __volatile__ ( + "r1 = %2;" + "r0 = %3;" + "P0 = %1;" + "excpt 0;" /*Call sys_clone*/ + "%0 = r0;" + "cc = r0 == 0;" + "if !cc jump xxx;" /* if (rval != 0) skip to parent */ + "r0 = %4;" + "p0 = %5;" + "call (p0);" /* Call cloned function */ + "p0 = %6;" + "excpt 0;" /* Call sys_exit */ + "xxx: nop;" + : "=d" (rval) + : "i" (__NR_clone), "a" (child_stack), "a" (flags), "a" (arg), "a" (fn), "i" (__NR_exit) + : "CC", "R0", "R1", "P0"); + } + return rval; +} diff --git a/libc/sysdeps/linux/bfin/crt0.S b/libc/sysdeps/linux/bfin/crt0.S new file mode 100644 index 000000000..4ddfd16b9 --- /dev/null +++ b/libc/sysdeps/linux/bfin/crt0.S @@ -0,0 +1,68 @@ +/* Copyright (C) 1991, 1992 Free Software Foundation, Inc. + +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + + +/* When we enter this piece of code, the user stack looks like this: +* argc argument counter (integer) +* argv[0] program name (pointer) +* argv[1...N] program args (pointers) +* NULL +* env[0...N] environment variables (pointers) +* NULL + +* When we are done here, we want +* R0=argc +* R1=*argv[0] +* R2=*envp[0] +*/ + +.text +.align 2 +.global _start; +.type _start,STT_FUNC; +.global ___uClibc_main; +.type ___uClibc_main,STT_FUNC; + +/* Stick in a dummy reference to main(), so that if an application + * is linking when the main() function is in a static library (.a) + * we can be sure that main() actually gets linked in */ + +.type _main,STT_FUNC; + +_start: + +/* clear the frame pointer */ + FP = 0; +/* Load register R0 (argc) from the stack to its final resting place */ + P0 = SP; + R0 = [P0++]; + +/* Copy argv pointer into R1 -- which its final resting place */ + R1 = P0; + +/* Skip to the end of argv and put a pointer to the environment in R2 */ + R2 = R0; + R2 <<= 2; + R2 += 4; + R2 = R1+R2; + +/* Ok, now run uClibc's main() -- shouldn't return */ + sp += -12; + jump.l ___uClibc_main; + diff --git a/libc/sysdeps/linux/bfin/crti.S b/libc/sysdeps/linux/bfin/crti.S new file mode 100644 index 000000000..36897973e --- /dev/null +++ b/libc/sysdeps/linux/bfin/crti.S @@ -0,0 +1,30 @@ +.file "initfini.c"; + .section .init + .section .fini + +.text; +.align 2 +.global _dummy; +.type _dummy, STT_FUNC; +_dummy: + P2 = R0; + LINK 0; + SP += -12; + cc =P2==0; + if cc jump L$L$1; + SP += 12; + UNLINK; + jump (P2); +L$L$1: + SP += 12; + UNLINK; + rts; + .size _dummy, .-_dummy +.align 2 +.global __init; +.type __init, STT_FUNC; +__init: + LINK 0; + SP += -12; + + .align 2 diff --git a/libc/sysdeps/linux/bfin/crtn.S b/libc/sysdeps/linux/bfin/crtn.S new file mode 100644 index 000000000..4f15aec50 --- /dev/null +++ b/libc/sysdeps/linux/bfin/crtn.S @@ -0,0 +1,37 @@ +.file "initfini.c"; + .section .init + .section .fini + +.text; +.align 2 +.global _dummy; +.type _dummy, STT_FUNC; +_dummy: + P2 = R0; + LINK 0; + SP += -12; + cc =P2==0; + if cc jump L$L$1; + SP += 12; + UNLINK; + jump (P2); +L$L$1: + SP += 12; + UNLINK; + rts; + .size _dummy, .-_dummy +.align 2 +.global __init; +.type __init, STT_FUNC; + SP += 12; + UNLINK; + rts; + .size __init, .-__init +.align 2 +.global __fini; +.type __fini, STT_FUNC; + SP += 12; + UNLINK; + rts; + .size __fini, .-__fini + .ident "GCC: (GNU) 3.4.1" diff --git a/libc/sysdeps/linux/bfin/setjmp.S b/libc/sysdeps/linux/bfin/setjmp.S new file mode 100644 index 000000000..9bb3ddc8b --- /dev/null +++ b/libc/sysdeps/linux/bfin/setjmp.S @@ -0,0 +1,105 @@ + +/* Cetjmp for the Blackfin project + * + * Copyright (C) 2003, Metrowerks + * Based on code from Analog Devices. + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License. See the file COPYING.LIB in the main + * directory of this archive for more details. + * + */ +#define _ASM +#define _SETJMP_H +#include <bits/setjmp.h> + +.globl ___sigsetjmp; +.align 4; + +___sigsetjmp: + [--SP] = P0; /* Save P0 */ + P0 = R0; + R0 = [SP++]; + [P0 + 0x00] = R0; /* Save saved P0 */ + [P0 + 0x04] = P1; + [P0 + 0x08] = P2; + [P0 + 0x0C] = P3; + [P0 + 0x10] = P4; + [P0 + 0x14] = P5; + + [P0 + 0x18] = FP; /* Frame Pointer */ + [P0 + 0x1C] = SP; /* Stack Pointer */ + + [P0 + 0x20] = P0; /* Data Registers */ + [P0 + 0x24] = R1; + [P0 + 0x28] = R2; + [P0 + 0x2C] = R3; + [P0 + 0x30] = R4; + [P0 + 0x34] = R5; + [P0 + 0x38] = R6; + [P0 + 0x3C] = R7; + + R0 = ASTAT; + [P0 + 0x40] = R0; + + R0 = LC0; /* Loop Counters */ + [P0 + 0x44] = R0; + R0 = LC1; + [P0 + 0x48] = R0; + + R0 = A0.W; /* Accumulators */ + [P0 + 0x4C] = R0; + R0 = A0.X; + [P0 + 0x50] = R0; + R0 = A1.W; + [P0 + 0x54] = R0; + R0 = A1.X; + [P0 + 0x58] = R0; + + R0 = I0; /* Index Registers */ + [P0 + 0x5C] = R0; + R0 = I1; + [P0 + 0x60] = R0; + R0 = I2; + [P0 + 0x64] = R0; + R0 = I3; + [P0 + 0x68] = R0; + + R0 = M0; /* Modifier Registers */ + [P0 + 0x6C] = R0; + R0 = M1; + [P0 + 0x70] = R0; + R0 = M2; + [P0 + 0x74] = R0; + R0 = M3; + [P0 + 0x78] = R0; + + R0 = L0; /* Length Registers */ + [P0 + 0x7c] = R0; + R0 = L1; + [P0 + 0x80] = R0; + R0 = L2; + [P0 + 0x84] = R0; + R0 = L3; + [P0 + 0x88] = R0; + + R0 = B0; /* Base Registers */ + [P0 + 0x8C] = R0; + R0 = B1; + [P0 + 0x90] = R0; + R0 = B2; + [P0 + 0x94] = R0; + R0 = B3; + [P0 + 0x98] = R0; + + R0 = RETS; + [P0 + 0x9C] = R0; + + R0 = [P0 + 0x20]; + CC = R1 == 1; + IF CC JUMP finished; + CALL ___sigjmp_save; +finished: + R0 = 0; + RTS; +___sigsetjmp.end: diff --git a/libc/sysdeps/linux/bfin/sys/elf.h b/libc/sysdeps/linux/bfin/sys/elf.h new file mode 100644 index 000000000..d959cdca1 --- /dev/null +++ b/libc/sysdeps/linux/bfin/sys/elf.h @@ -0,0 +1,26 @@ +/* Copyright (C) 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_ELF_H +#define _SYS_ELF_H 1 + +#warning "This header is obsolete; use <sys/procfs.h> instead." + +#include <sys/procfs.h> + +#endif /* _SYS_ELF_H */ diff --git a/libc/sysdeps/linux/bfin/sys/io.h b/libc/sysdeps/linux/bfin/sys/io.h new file mode 100644 index 000000000..68639902c --- /dev/null +++ b/libc/sysdeps/linux/bfin/sys/io.h @@ -0,0 +1,48 @@ +/* Copyright (C) 1996, 1998, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_IO_H + +#define _SYS_IO_H 1 +#include <features.h> + +__BEGIN_DECLS + +/* If TURN_ON is TRUE, request for permission to do direct i/o on the + port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O + permission off for that range. This call requires root privileges. */ +extern int ioperm (unsigned long int __from, unsigned long int __num, + int __turn_on) __THROW; + +/* Set the I/O privilege level to LEVEL. If LEVEL is nonzero, + permission to access any I/O port is granted. This call requires + root privileges. */ +extern int iopl (int __level) __THROW; + +/* The functions that actually perform reads and writes. */ +extern unsigned char inb (unsigned long int port) __THROW; +extern unsigned short int inw (unsigned long int port) __THROW; +extern unsigned long int inl (unsigned long int port) __THROW; + +extern void outb (unsigned char value, unsigned long int port) __THROW; +extern void outw (unsigned short value, unsigned long int port) __THROW; +extern void outl (unsigned long value, unsigned long int port) __THROW; + +__END_DECLS + +#endif /* _SYS_IO_H */ diff --git a/libc/sysdeps/linux/bfin/sys/procfs.h b/libc/sysdeps/linux/bfin/sys/procfs.h new file mode 100644 index 000000000..a656d86b2 --- /dev/null +++ b/libc/sysdeps/linux/bfin/sys/procfs.h @@ -0,0 +1,125 @@ +/* Copyright (C) 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_PROCFS_H +#define _SYS_PROCFS_H 1 + +/* This is somewhat modelled after the file of the same name on SVR4 + systems. It provides a definition of the core file format for ELF + used on Linux. It doesn't have anything to do with the /proc file + system, even though Linux has one. + + Anyway, the whole purpose of this file is for GDB and GDB only. + Don't read too much into it. Don't use it for anything other than + GDB unless you know what you are doing. */ + +#include <features.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sys/user.h> + +__BEGIN_DECLS + +/* Type for a general-purpose register. */ +typedef unsigned long elf_greg_t; + +/* And the whole bunch of them. We could have used `struct + user_regs_struct' directly in the typedef, but tradition says that + the register set is an array, which does have some peculiar + semantics, so leave it that way. */ +#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t)) +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +/* Register set for the floating-point registers. */ +typedef struct user_bfinfp_struct elf_fpregset_t; + +/* Signal info. */ +struct elf_siginfo + { + int si_signo; /* Signal number. */ + int si_code; /* Extra code. */ + int si_errno; /* Errno. */ + }; + + +/* Definitions to generate Intel SVR4-like core files. These mostly + have the same names as the SVR4 types with "elf_" tacked on the + front to prevent clashes with Linux definitions, and the typedef + forms have been avoided. This is mostly like the SVR4 structure, + but more Linuxy, with things that Linux does not support and which + GDB doesn't really use excluded. */ + +struct elf_prstatus + { + struct elf_siginfo pr_info; /* Info associated with signal. */ + short int pr_cursig; /* Current signal. */ + unsigned long int pr_sigpend; /* Set of pending signals. */ + unsigned long int pr_sighold; /* Set of held signals. */ + __pid_t pr_pid; + __pid_t pr_ppid; + __pid_t pr_pgrp; + __pid_t pr_sid; + struct timeval pr_utime; /* User time. */ + struct timeval pr_stime; /* System time. */ + struct timeval pr_cutime; /* Cumulative user time. */ + struct timeval pr_cstime; /* Cumulative system time. */ + elf_gregset_t pr_reg; /* GP registers. */ + int pr_fpvalid; /* True if math copro being used. */ + }; + + +#define ELF_PRARGSZ (80) /* Number of chars for args. */ + +struct elf_prpsinfo + { + char pr_state; /* Numeric process state. */ + char pr_sname; /* Char for pr_state. */ + char pr_zomb; /* Zombie. */ + char pr_nice; /* Nice val. */ + unsigned long int pr_flag; /* Flags. */ + unsigned short int pr_uid; + unsigned short int pr_gid; + int pr_pid, pr_ppid, pr_pgrp, pr_sid; + /* Lots missing */ + char pr_fname[16]; /* Filename of executable. */ + char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ + }; + + +/* The rest of this file provides the types for emulation of the + Solaris <proc_service.h> interfaces that should be implemented by + users of libthread_db. */ + +/* Addresses. */ +typedef void *psaddr_t; + +/* Register sets. Linux has different names. */ +typedef elf_gregset_t prgregset_t; +typedef elf_fpregset_t prfpregset_t; + +/* We don't have any differences between processes and threads, + therefore have only one PID type. */ +typedef __pid_t lwpid_t; + +/* Process status and info. In the end we do provide typedefs for them. */ +typedef struct elf_prstatus prstatus_t; +typedef struct elf_prpsinfo prpsinfo_t; + +__END_DECLS + +#endif /* sys/procfs.h */ diff --git a/libc/sysdeps/linux/bfin/sys/reg.h b/libc/sysdeps/linux/bfin/sys/reg.h new file mode 100644 index 000000000..4ce6e15aa --- /dev/null +++ b/libc/sysdeps/linux/bfin/sys/reg.h @@ -0,0 +1,133 @@ +/* Copyright (C) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_REG_H +#define _SYS_REG_H 1 + +/* Index into an array of 4 byte integers returned from ptrace for + location of the users' stored general purpose registers. */ + +enum +{ + PT_IPEND = 0, +#define PT_IPEND PT_IPEND + PT_SYSCFG = 4, +#define PT_SYSCFG PT_SYSCFG + PT_SR = 8, +#define PT_SR PT_SR + PT_RETE = 12, +#define PT_RETE PT_RETE + PT_RETN = 16, +#define PT_RETN PT_RETN + PT_RETX = 20, +#define PT_RETX PT_RETX + PT_PC = 24, +#define PT_PC PT_PC + PT_RETS = 28, +#define PT_RETS PT_RETS + PT_ASTAT = 32, +#define PT_ASTAT PT_ASTAT + PT_LB1 = 40, +#define PT_LB1 PT_LB1 + PT_LB0 = 44, +#define PT_LB0 PT_LB0 + PT_LT1 = 48, +#define PT_LT1 PT_LT1 + PT_LT0 = 52, +#define PT_LT0 PT_LT0 + PT_LC1 = 56, +#define PT_LC1 PT_LC1 + PT_LC0 = 60, +#define PT_LC0 PT_LC0 + PT_A1W = 64, +#define PT_A1W PT_A1W + PT_A1X = 68, +#define PT_A1X PT_A1X + PT_A0W = 72, +#define PT_A0W PT_A0W + PT_A0X = 76, +#define PT_A0X PT_A0X + PT_B3 = 80, +#define PT_B# PT_B3 + PT_B2 = 84, +#define PT_B2 PT_B2 + PT_B1 = 88, +#define PT_B1 PT_B1 + PT_B0 = 92, +#define PT_B0 PT_B0 + PT_L3 = 96, +#define PT_L3 PT_L3 + PT_L2 = 100, +#define PT_L2 PT_L2 + PT_L1 = 104, +#define PT_L1 PT_L1 + PT_L0 = 108, +#define PT_L0 PT_L0 + PT_M3 = 112, +#define PT_M3 PT_M3 + PT_M2 = 116, +#define PT_M2 PT_M2 + PT_M1 = 120, +#define PT_M1 PT_M1 + PT_M0 = 124, +#define PT_M0 PT_M0 + PT_I3 = 128, +#define PT_I3 PT_I3 + PT_I2 = 132, +#define PT_I2 PT_I2 + PT_I1 = 136, +#define PT_I1 PT_I1 + PT_I0 = 140, +#define PT_I0 PT_I0 + PT_USP = 144, +#define PT_USP PT_USP + PT_FP = 148, +#define PT_FP PT_FP + PT_P5 = 152, +#define PT_P5 PT_P5 + PT_P4 = 156, +#define PT_P4 PT_P4 + PT_P3 = 160, +#define PT_P3 PT_P3 + PT_P2 = 164, +#define PT_P2 PT_P2 + PT_P1 = 168, +#define PT_P1 PT_P1 + PT_P0 = 172, +#define PT_P0 PT_P0 + PT_R7 = 176, +#define PT_R7 PT_R7 + PT_R6 = 180, +#define PT_R6 PT_R6 + PT_R5 = 184, +#define PT_R5 PT_R5 + PT_R4 = 188, +#define PT_R4 PT_R4 + PT_R3 = 192, +#define PT_R3 PT_R3 + PT_R2 = 196, +#define PT_R2 PT_R2 + PT_R1 = 200, +#define PT_R1 PT_R1 + PT_R0 = 204, +#define PT_R0 PT_R0 + PT_ORIG_R0 = 208, +#define PT_ORIG_R0 PT_ORIG_R0 +}; + +#endif /* _SYS_REG_H */ diff --git a/libc/sysdeps/linux/bfin/sys/ucontext.h b/libc/sysdeps/linux/bfin/sys/ucontext.h new file mode 100644 index 000000000..ac469daac --- /dev/null +++ b/libc/sysdeps/linux/bfin/sys/ucontext.h @@ -0,0 +1,153 @@ +/* Copyright (C) 1997, 1999, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* System V/blackfin ABI compliant context switching support. */ + +#ifndef _SYS_UCONTEXT_H +#define _SYS_UCONTEXT_H 1 + +#include <features.h> +#include <signal.h> + +/* Type for general register. */ +typedef int greg_t; + +/* Number of general registers. */ +#define NGREG 47 + +/* Container for all general registers. */ +typedef greg_t gregset_t[NGREG]; + +/* Number of each register is the `gregset_t' array. */ +enum +{ + R0 = 0, +#define R0 R0 + R1 = 1, +#define R1 R1 + R2 = 2, +#define R2 R2 + R3 = 3, +#define R3 R3 + R4 = 4, +#define R4 R4 + R5 = 5, +#define R5 R5 + R6 = 6, +#define R6 R6 + R7 = 7, +#define R7 R7 + P0 = 8, +#define P0 P0 + P1 = 9, +#define P1 P1 + P2 = 10, +#define P2 P2 + P3 = 11, +#define P3 P3 + P4 = 12, +#define P4 P4 + P5 = 13, +#define P5 P5 + USP = 14, +#define USP USP + A0W = 15, +#define A0W A0W + A1W = 16, +#define A1W A1W + A0X = 17, +#define A0X A0X + A1X = 18, +#define A1X A1X + ASTAT = 19, +#define ASTAT ASTAT + RETS = 20, +#define RETS RETS + PC= 21, +#define PC PC + RETX = 22, +#define RETX RETX + FP = 23, +#define FP FP + I0 = 24, +#define I0 I0 + I1 = 25, +#define I1 I1 + I2 = 26, +#define I2 I2 + I3 = 27, +#define I3 I3 + M0 = 28, +#define M0 M0 + M1 = 29, +#define M1 M1 + M2 = 30, +#define M2 M2 + M3 = 31, +#define M3 M3 + L0 = 32, +#define L0 L0 + L1 = 33, +#define L1 L1 + L2 = 34, +#define L2 L2 + L3 = 35, +#define L3 L3 + B_0 = 36, +#define B_0 B_0 + B1 = 37, +#define B1 B1 + B2 = 38, +#define B2 B2 + B3 = 39, +#define B3 B3 + LC0 = 40, +#define LC0 LC0 + LC1 = 41, +#define LC1 LC1 + LT0 = 42, +#define LT0 LT0 + LT1 = 43, +#define LT1 LT1 + LB0 = 44, +#define LB0 LB0 + LB1 = 45, +#define LB1 LB1 + SEQSTAT = 46 +#define SEQSTAT SEQSTAT +}; + +/* Context to describe whole processor state. */ +typedef struct +{ + int version; + gregset_t gregs; +} mcontext_t; + + +/* Userlevel context. */ +typedef struct ucontext +{ + unsigned long int uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; + mcontext_t uc_mcontext; + __sigset_t uc_sigmask; +} ucontext_t; + +#endif /* sys/ucontext.h */ diff --git a/libc/sysdeps/linux/bfin/syscall.c b/libc/sysdeps/linux/bfin/syscall.c new file mode 100644 index 000000000..6fe6cf2e6 --- /dev/null +++ b/libc/sysdeps/linux/bfin/syscall.c @@ -0,0 +1,49 @@ +/* vi: set sw=4 ts=4: */ +/* syscall for blackfin/uClibc + * + * Copyright (C) 2004 by Analog Devices Inc. + * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <features.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/syscall.h> + +long syscall(long sysnum, long a, long b, long c, long d, long e) +{ + int _r0 = 0; + asm volatile( + "p0 = %1;" /*SysCall Number*/ + "r0 = %2;" + "r1 = %3;" + "r2 = %4;" + "r3 = %6;" + "r4 = %5;" + "excpt 0;" /*Call the System Call*/ + "%0 = r0;" /*Store the result of syscall*/ + : "=r"(_r0) + : "r"(sysnum), "r"(a), "r"(b), + "r"(c), "r"(d), "r"(e) + : "memory"); + + if(_r0 >=(unsigned long) -4095) { + (*__errno_location())=(-_r0); + _r0=(unsigned long) -1; + } + return (long) _r0; +} diff --git a/libc/sysdeps/linux/bfin/vfork.S b/libc/sysdeps/linux/bfin/vfork.S new file mode 100644 index 000000000..1f9539c55 --- /dev/null +++ b/libc/sysdeps/linux/bfin/vfork.S @@ -0,0 +1,12 @@ + +#include <asm/unistd.h> + .text + .globl _vfork + .globl __libc_vfork + .type _vfork,STT_FUNC; + .align 4 +__libc_vfork: +_vfork: + p0 = __NR_vfork; + excpt 0; + rts; |