diff options
Diffstat (limited to 'libgloss/epiphany')
32 files changed, 0 insertions, 6708 deletions
diff --git a/libgloss/epiphany/Makefile.in b/libgloss/epiphany/Makefile.in deleted file mode 100644 index 4f77c33..0000000 --- a/libgloss/epiphany/Makefile.in +++ /dev/null @@ -1,197 +0,0 @@ -# Makefile for libgloss/epiphany - -# Copyright (c) 2011, 2012 Adapteva, Inc. -# All rights reserved. - -# Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are met: -# * Redistributions of source code must retain the above copyright notice, -# this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# * Neither the name of Adapteva nor the names of its contributors may be -# used to endorse or promote products derived from this software without -# specific prior written permission. - -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE -# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. - -# Standard proforma copied from libnosys -DESTDIR = -VPATH = @srcdir@ -srcdir = @srcdir@ -objdir = . -srcroot = $(srcdir)/../.. -objroot = $(objdir)/../.. - -prefix = @prefix@ -exec_prefix = @exec_prefix@ - -host_alias = @host_alias@ -target_alias = @target_alias@ -program_transform_name = @program_transform_name@ - -bindir = @bindir@ -libdir = @libdir@ -tooldir = $(exec_prefix)/$(target_alias) - -# Multilib support variables. -# TOP is used instead of MULTI{BUILD,SRC}TOP. -MULTIDIRS = -MULTISUBDIR = -MULTIDO = true -MULTICLEAN = true - -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ - -SHELL = /bin/sh - -CC = @CC@ - -#AS = @AS@ -AS = `if [ -f ${objroot}/../gas/as-new ] ; \ - then echo ${objroot}/../gas/as-new ; \ - else echo as ; fi` - -AR = @AR@ - -#LD = @LD@ -LD = `if [ -f ${objroot}/../ld/ld-new ] ; \ - then echo ${objroot}/../ld/ld-new ; \ - else echo ld ; fi` - -RANLIB = @RANLIB@ - -OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \ - then echo ${objroot}/../binutils/objdump ; \ - else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi` -OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \ - then echo ${objroot}/../binutils/objcopy ; \ - else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi` - -GCC_LDFLAGS = `if [ -d ${objroot}/../gcc ] ; \ - then echo -L${objroot}/../gcc ; fi` - -NEWLIB_CFLAGS = `if [ -d ${objroot}/newlib ]; then echo -I${objroot}/newlib/targ-include -I${srcroot}/newlib/libc/include; fi` -NEWLIB_LDFLAGS = `if [ -d ${objroot}/newlib ]; then echo -B${objroot}/newlib/ -L${objroot}/newlib/; fi` - -INCLUDES = -I. -I$(srcdir)/.. -I$(srcdir)/../../newlib/libc/machine/epiphany - -# Note that when building the library, ${MULTILIB} is not the way multilib -# options are passed; they're passed in $(CFLAGS). -CFLAGS_FOR_TARGET = ${MULTILIB} ${INCLUDES} ${NEWLIB_CFLAGS} -LDFLAGS_FOR_TARGET = ${MULTILIB} ${NEWLIB_LDFLAGS} -AR_FLAGS = qc - -.c.o: - $(CC) $(CFLAGS_FOR_TARGET) -O2 $(INCLUDES) -c $(CFLAGS) $< - -.C.o: - $(CC) $(CFLAGS_FOR_TARGET) -O2 $(INCLUDES) -c $(CFLAGS) $< -.S.o: - $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $(CFLAGS) $< -.s.o: - $(AS) $(ASFLAGS_FOR_TARGET) $(INCLUDES) $(ASFLAGS) -o $*.o $< - -# -# GCC knows to run the preprocessor on .S files before it assembles them. -# -.S.o: - $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -c $< - -# -# this is a bogus target that'll produce an assembler from the -# C source with the right compiler options. this is so we can -# track down code generation or debug symbol bugs. -# -.c.s: - $(CC) $(CFLAGS_FOR_TARGET) -S $(INCLUDES) $(CFLAGS) $< - -# EPIPHANY specific stuff - -# Object files needed for all libraries -COMMON_OBJS = access.o \ - close.o \ - environ.o \ - execve.o \ - fork.o \ - fstat.o \ - getpid.o \ - gettimeofday.o \ - _isatty.o \ - kill.o \ - link.o \ - lseek.o \ - open.o \ - read.o \ - sbrk.o \ - stat.o \ - times.o \ - unlink.o \ - wait.o \ - write.o \ - _exit.o \ - epiphany-syscalls.o \ - epiphany-ivthandlers.o - -UNUSED_OBJS = chown.o \ - errno.o \ - gettod.o \ - readlink.o \ - symlink.o - -# Object files specific to particular targets. -SIMOBJS = $(COMMON_OBJS) - -OUTPUTS = libepiphany.a crt0.o - -all: $(OUTPUTS) - -# -# here's where we build the library for each target -# - -libepiphany.a: $(SIMOBJS) - ${AR} ${ARFLAGS} $@ $(SIMOBJS) - ${RANLIB} $@ - -_exit.o: _exit.S - $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -c $< - -doc: - -clean mostlyclean: - rm -f $(OUTPUTS) *.i *~ *.o *-test *.srec *.dis *.map *.x - -distclean maintainer-clean realclean: clean - rm -f Makefile config.status $(OUTPUTS) - -.PHONY: install info install-info clean-info -install: - @for outputs in ${OUTPUTS}; do\ - mkdir -p $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}; \ - $(INSTALL_PROGRAM) $${outputs} $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}; \ - done -info: -install-info: -clean-info: - -Makefile: Makefile.in config.status @host_makefile_frag_path@ - $(SHELL) config.status - -config.status: configure - $(SHELL) config.status --recheck diff --git a/libgloss/epiphany/_exit.S b/libgloss/epiphany/_exit.S deleted file mode 100644 index 92a9374..0000000 --- a/libgloss/epiphany/_exit.S +++ /dev/null @@ -1,35 +0,0 @@ -# EPIPHANY implementation of _exit () - -# Copyright (c) 2011, Adapteva, Inc. -# All rights reserved. - -# Contributor Joern Rennecke <joern.rennecke@embecosm.com> for Adapteva Inc - -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are met: -# * Redistributions of source code must retain the above copyright notice, -# this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# * Neither the name of Adapteva nor the names of its contributors may be -# used to endorse or promote products derived from this software without -# specific prior written permission. - -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE -# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. */ - - .section .text - .global __exit -__exit: - trap #3 ; exit - b __exit diff --git a/libgloss/epiphany/_exit.c b/libgloss/epiphany/_exit.c deleted file mode 100644 index 7489f1a..0000000 --- a/libgloss/epiphany/_exit.c +++ /dev/null @@ -1,46 +0,0 @@ -/* EPIPHANY implementation of _exit () - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ -/* ------------------------------------------------------------------------- */ -#include "epiphany-syscalls.h" -/* ------------------------------------------------------------------------- */ - - -/* ------------------------------------------------------------------------- */ -/*!Exit from execution - - This is the interface to the CGEN simulation. - - @param[in] rc The return code */ -/* ------------------------------------------------------------------------- */ -void __attribute__ ((section ("libgloss_epiphany"))) -_exit (int rc) -{ - asm_exit (rc); -} /* _exit () */ diff --git a/libgloss/epiphany/_isatty.c b/libgloss/epiphany/_isatty.c deleted file mode 100644 index 9ec5060..0000000 --- a/libgloss/epiphany/_isatty.c +++ /dev/null @@ -1,35 +0,0 @@ -/* isatty.c - - Copyright (c) 1994-2009 Red Hat, Inc. All rights reserved. - Copyright (c) 2012 Adapteva, Inc. - - This copyrighted material is made available to anyone wishing to use, - modify, copy, or redistribute it subject to the terms and conditions - of the BSD License. This program is distributed in the hope that - it will be useful, but WITHOUT ANY WARRANTY expressed or implied, - including the implied warranties of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. A copy of this license is available at - http://www.opensource.org/licenses. Any Red Hat trademarks that are - incorporated in the source code or documentation are not subject to - the BSD License and may only be used or replicated with the express - permission of Red Hat, Inc. */ - -/* Dumb implementation so programs will at least run. */ - -#include <sys/stat.h> -#include <errno.h> - -int -_DEFUN(_isatty, (fd), int fd) -{ - struct stat buf; - - if (_fstat (fd, &buf) < 0) { - errno = EBADF; - return 0; - } - if (S_ISCHR (buf.st_mode)) - return 1; - errno = ENOTTY; - return 0; -} diff --git a/libgloss/epiphany/access.c b/libgloss/epiphany/access.c deleted file mode 100644 index 832eb76..0000000 --- a/libgloss/epiphany/access.c +++ /dev/null @@ -1,32 +0,0 @@ -/* This is file ACCESS.C */ -/* - * Copyright (C) 1993 DJ Delorie - * All rights reserved. - * - * Redistribution, modification, and use in source and binary forms is permitted - * provided that the above copyright notice and following paragraph are - * duplicated in all such forms. - * - * This file is distributed WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - */ - -#include <fcntl.h> -#include <sys/stat.h> -#include <unistd.h> - -int access(const char *fn, int flags) -{ - struct stat s; - if (stat(fn, &s)) - return -1; - if (s.st_mode & S_IFDIR) - return 0; - if (flags & W_OK) - { - if (s.st_mode & S_IWRITE) - return 0; - return -1; - } - return 0; -} diff --git a/libgloss/epiphany/aclocal.m4 b/libgloss/epiphany/aclocal.m4 deleted file mode 100644 index 2349523..0000000 --- a/libgloss/epiphany/aclocal.m4 +++ /dev/null @@ -1,404 +0,0 @@ -# generated automatically by aclocal 1.11.1 -*- Autoconf -*- - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -# 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -# AM_CONDITIONAL -*- Autoconf -*- - -# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008 -# Free Software Foundation, Inc. -# -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# serial 9 - -# AM_CONDITIONAL(NAME, SHELL-CONDITION) -# ------------------------------------- -# Define a conditional. -AC_DEFUN([AM_CONDITIONAL], -[AC_PREREQ(2.52)dnl - ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], - [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl -AC_SUBST([$1_TRUE])dnl -AC_SUBST([$1_FALSE])dnl -_AM_SUBST_NOTMAKE([$1_TRUE])dnl -_AM_SUBST_NOTMAKE([$1_FALSE])dnl -m4_define([_AM_COND_VALUE_$1], [$2])dnl -if $2; then - $1_TRUE= - $1_FALSE='#' -else - $1_TRUE='#' - $1_FALSE= -fi -AC_CONFIG_COMMANDS_PRE( -[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then - AC_MSG_ERROR([[conditional "$1" was never defined. -Usually this means the macro was only invoked conditionally.]]) -fi])]) - -# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009 -# Free Software Foundation, Inc. -# -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# serial 10 - -# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be -# written in clear, in which case automake, when reading aclocal.m4, -# will think it sees a *use*, and therefore will trigger all it's -# C support machinery. 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For this we'll need to an aclocal.m4 -LIB_AC_PROG_CC -AS=${AS-as} -AC_SUBST(AS) -AR=${AR-ar} -AC_SUBST(AR) -LD=${LD-ld} -AC_SUBST(LD) -AC_PROG_RANLIB -LIB_AM_PROG_AS - -host_makefile_frag=${srcdir}/../config/default.mh - -dnl We have to assign the same value to other variables because autoconf -dnl doesn't provide a mechanism to substitute a replacement keyword with -dnl arbitrary data or pathnames. -dnl -host_makefile_frag_path=$host_makefile_frag -AC_SUBST(host_makefile_frag_path) -AC_SUBST_FILE(host_makefile_frag) - -AC_CONFIG_FILES(Makefile, -ac_file=Makefile . ${libgloss_topdir}/config-ml.in, -srcdir=${srcdir} -target=${target} -with_multisubdir=${with_multisubdir} -ac_configure_args="${ac_configure_args} --enable-multilib" -CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} -libgloss_topdir=${libgloss_topdir} -) -AC_OUTPUT diff --git a/libgloss/epiphany/crt0.S b/libgloss/epiphany/crt0.S deleted file mode 100644 index d684e1e..0000000 --- a/libgloss/epiphany/crt0.S +++ /dev/null @@ -1,166 +0,0 @@ -# C Startup for EPIPHANY - -# Copyright (c) 2011, Adapteva, Inc. -# All rights reserved. - -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are met: -# * Redistributions of source code must retain the above copyright notice, -# this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# * Neither the name of Adapteva nor the names of its contributors may be -# used to endorse or promote products derived from this software without -# specific prior written permission. - -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE -# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. - - -.section IVT,"a",@progbits ; - .global _start; - .type _start, %function; -_start: - .balign 4 ; - b .normal_start - - .balign 4 ; 0x4 - b .sw_exception_v - - .balign 4 ; 0x8 - b .page_miss_v; - - .balign 4 ; 0xc - b .timer0_expired_v - - .balign 4 ; 0x10 - b .timer1_expired_v - - .balign 4 ; 0x14 - b .message_v - - .balign 4 ; 0x18 - b .dma0_v - - .balign 4 ; 0x1c - b .dma1_v - - .balign 4 ; 0x20 - b .wand_v - - .balign 4 ; 0x24 - b .soft_v - -.size _start, .-_start - -.section RESERVED_CRT0,"a",@progbits ; - -.global .normal_start; -.balign 4 -.type .normal_start, %function -.normal_start: - mov r3,%low(_external_start) - movt r3,%high(_external_start) - jalr r3 -.size .normal_start, .-.normal_start - - - - -.section .text; - .org 0x0000 ; Relative to start of text section - .global _external_start - .type _external_start, %function -_external_start: - - .align 4 - - ;; Initialise the stack pointer and frame pointer. Hopefully __stack - ;; is somewhere meaningful. - mov sp,%low(___stack) - movt sp,%high(___stack) - mov fp,sp - - ;; Zero the data space - mov r0,%low(___bss_start) - movt r0,%high(___bss_start) - mov r1,%low(_end) - movt r1,%high(_end) - mov r2,#0 - mov r3,#0 -.L0_init_: - strd r2,[r0],+#1 - sub r5,r1,r0 - bne .L0_init_ - - ;; Setup destructors to be called from exit if main never returns -#if 0 - mov r0,%low(fini) - movt r0,%high(fini) - mov r2,%low(_atexit) - movt r2,%high(_atexit) - jalr r2 -#else - ; calling atexit drags in malloc, so instead poke the function - ; address directly into the reent structure - mov r2,%low(__impure_ptr) - movt r2,%high(__impure_ptr) - ldr r2,[r2] - mov r1,%low(fini) - movt r1,%high(fini) -#ifdef __STRUCT_ALIGN_64__ -#error - add r2,r2,need_to_find_out; &_GLOBAL_REENT->atexit0 - str r2, [r2,-1];??or -2?; _GLOBAL_REENT->atexit - mov r0, 1 - str r0, [r2,1] ; _GLOBAL_REENT->atexit0._ind - str r1, [r2,2] ; _GLOBAL_REENT->atexit0._fns[0] -#else /* !__STRUCT_ALIGN_64__ */ - add r0,r2,0x14c ; &_GLOBAL_REENT->atexit0 - str r0, [r0,-1] ; _GLOBAL_REENT->atexit - mov r0, 1 - strd r0, [r2,0x2a] ; _GLOBAL_REENT->atexit0._ind -#endif /* !__STRUCT_ALIGN_64__ */ -#endif /* !0 */ - ;; Call global and static constructors - mov r2,%low(init) - movt r2,%high(init) - jalr r2 - - - ;;return from reset ISR - mov R0,%low(RDS) - movt R0,%high(RDS) - movts iret,r0 - rti -RDS: - - ;; Initialise argc, argv and envp to empty and call main - mov r0,#0 - mov r1,#0 - mov r2,#0 - mov r3,%low(_main) - movt r3,%high(_main) - jalr r3 - ;;bl _main - - ;; Call exit - mov r3,%low(_exit) - movt r3,%high(_exit) - jalr r3 - ;;bl _exit - - ;; Should never reach here - idle - -.size _external_start, .-_external_start diff --git a/libgloss/epiphany/environ.c b/libgloss/epiphany/environ.c deleted file mode 100644 index fb3d9b6..0000000 --- a/libgloss/epiphany/environ.c +++ /dev/null @@ -1,37 +0,0 @@ -/* EPIPHANY implementation of the environ vector - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -/*!The empty list is suitable as a minimal implementation of the - environment. */ -char *__env[1] = { 0 }; - -/*!Environment as a pointer to a pointer rather than a pointer to an array. */ -char **environ = __env; diff --git a/libgloss/epiphany/epiphany-config.h b/libgloss/epiphany/epiphany-config.h deleted file mode 100644 index e9afa29..0000000 --- a/libgloss/epiphany/epiphany-config.h +++ /dev/null @@ -1,67 +0,0 @@ -/* EPIPHANY builtin and configuration functions () - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#ifndef _EPIPHANY_CONFIG_H -#define _EPIPHANY_CONFIG_H - - -extern unsigned _stack_start_; -extern unsigned _heap_start_; -extern unsigned _heap_end_; -extern unsigned _CORE_NUM_; - - - - - -enum ECORE_SIGNALS { -#ifndef SIG_DFL - SIG_DFL=0, -#endif -#ifndef SIG_DFL - SIG_IGN=1, -#endif - SIG_RESET=3, - SIG_SW_EXCEPTION=4, - SIG_PAGE_MISS=5, - SIG_TIMER0=6, - SIG_TIMER1=7, - SIG_MESSAGE=8, - SIG_DMA0=9, - SIG_DMA1=10, - SIG_WAND=11, - SIG_USR1=12 -#ifndef SIG_ERR - , SIG_ERR=-1 -#endif -}; - - - -#endif diff --git a/libgloss/epiphany/epiphany-ivthandlers.S b/libgloss/epiphany/epiphany-ivthandlers.S deleted file mode 100644 index 0731a6b..0000000 --- a/libgloss/epiphany/epiphany-ivthandlers.S +++ /dev/null @@ -1,192 +0,0 @@ -# EPIPHANY implementation of wrappers over user C ISR () - -# Copyright (c) 2011, Adapteva, Inc. -# All rights reserved. - -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are met: -# * Redistributions of source code must retain the above copyright notice, -# this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# * Neither the name of Adapteva nor the names of its contributors may be -# used to endorse or promote products derived from this software without -# specific prior written permission. - -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE -# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. - -.section RESERVED_CRT0,"a",@progbits ; -.set sw_exception_v_n, 1 -.set page_miss_v_n, 2 -.set timer0_expired_v_n, 3; -.set timer1_expired_v_n, 4; -.set message_v_n, 5; -.set dma0_v_n, 6; -.set dma1_v_n, 7; -.set wand_v_n, 8; -.set soft_v_n, 9 - -// preserve isr-mods to ACTIVE, GID, KERNEL, WAND, & EXCAUSE bits in the status reg -.set status_mask, 0x0007000f; -// for the wand isr, preserve isr-mods to ACTIVE, GID, KERNEL, & EXCAUSE, but -// clear the WAND bit. -.set wand_status_mask, 0x00070007; - -//IVT wrappers - -.global _DEFAULT_ISR_CALLBACK; -.balign 4 -.type _DEFAULT_ISR_CALLBACK, %function -_DEFAULT_ISR_CALLBACK: - rts -.size _DEFAULT_ISR_CALLBACK, .-_DEFAULT_ISR_CALLBACK - - -.global _DEFAULT_ISR_CALLBACK_FOR_sw_exception_v; -.balign 4 -.type _DEFAULT_ISR_CALLBACK_FOR_sw_exception_v, %function -_DEFAULT_ISR_CALLBACK_FOR_sw_exception_v: - trap 5;; FAIL -.size _DEFAULT_ISR_CALLBACK_FOR_sw_exception_v, .-_DEFAULT_ISR_CALLBACK_FOR_sw_exception_v - - -.set NUMBER_ENTRIES_IN_IVT, 8 -.global _ISR_VECTOR; -.balign 4 -.type _ISR_VECTOR, %object -_ISR_VECTOR: - .word _DEFAULT_ISR_CALLBACK_FOR_sw_exception_v; reset - .word _DEFAULT_ISR_CALLBACK_FOR_sw_exception_v; sw_exception - .word _DEFAULT_ISR_CALLBACK_FOR_sw_exception_v; page_miss - .rept NUMBER_ENTRIES_IN_IVT - .word _DEFAULT_ISR_CALLBACK - .endr -.size _ISR_VECTOR, .-_ISR_VECTOR - -.macro IVT_ENTRY_CALL entry_v_ - ;; assuming we have valid frame poiter - - str fp, [sp],-0x10 - str r0, [sp,+0xf] - str r1, [sp,+0xe] - mov r0, \entry_v_ -.if \entry_v_ == wand_v_n - mov r1, %low(wand_status_mask) ; this mask will exclude WAND, so it will - movt r1, %high(wand_status_mask) ; be forcibly cleared -.else - mov r1, %low(status_mask) - movt r1, %high(status_mask) -.endif - str r1, [sp,0x9] ; save the status register isr-preserve mask on the stack - b __dispatcher -.endm - -.global __dispatcher; -.balign 4 -.type __dispatcher, %function -__dispatcher: - str lr, [sp,+0xd] - movfs.l r1,status - str r1, [sp,+0xc] - movfs.l r1,iret - str r1, [sp,+0xb] - str r2, [sp,+0xa] - str r3, [sp,+0x8] - - mov fp,sp - - //TODO allow nesting - //gie - - lsl r2, r0, 2 - mov r1, %low(_ISR_VECTOR) - add r2, r2, r1 - ldr r1, [r2,0] ;; r1 = _ISR_VECTOR[entry_v] - mov r2, 3 - add r0, r0, r2 ;; r0 = signum - jalr r1 - - mov sp,fp - - //gid - - // preserve isr-modifications to some of the bits in the status register, - // but restore the rest to pre-interrupt values. - // status = (status[post_isr] & status_mask) | (status[pre_isr] & ~status_mask) - - ldr.l r2, [sp, 9] ; fetch the status register isr preserve mask from the stack - movfs r1, status - and r1, r1, r2; (status[post_isr] & status_mask) - - ldr r0, [sp,+0xc] - mov r2, %low(~status_mask) - movt r2, %high(~status_mask) - and r0, r0, r2; (status[pre_isr] & ~status_mask) - - orr r0, r0, r1 ; combine pre_isr & post_isr status bits - movts.l status, r0 - - ldr r0, [sp,+0xb] - movts.l iret,r0 - - ldr lr,[sp,+0xd]; - ldr r1,[sp,+0xe] - ldr r0,[sp,+0xf] - ldr r2,[sp,+0xa] - ldr r3,[sp,+0x8] - ldr fp,[sp],+0x10 - ldr fp,[sp,0] - rti -.size __dispatcher, .-__dispatcher - - -.global .sw_exception_v; -.type .sw_exception_v, %function -.sw_exception_v: - IVT_ENTRY_CALL sw_exception_v_n; -.size .sw_exception_v, .-.sw_exception_v - -.global .page_miss_v; -.type .page_miss_v, %function -.page_miss_v: - IVT_ENTRY_CALL page_miss_v_n; -.size .page_miss_v, .-.page_miss_v - -.global .timer0_expired_v; -.timer0_expired_v: - IVT_ENTRY_CALL timer0_expired_v_n; - -.global .timer1_expired_v; -.timer1_expired_v: - IVT_ENTRY_CALL timer1_expired_v_n; - -.global .message_v; -.message_v: - IVT_ENTRY_CALL message_v_n; - -.global .dma0_v; -.dma0_v: - IVT_ENTRY_CALL dma0_v_n; - -.global .dma1_v; -.dma1_v: - IVT_ENTRY_CALL dma1_v_n; - -.global .wand_v; -.wand_v: - IVT_ENTRY_CALL wand_v_n; - -.global .soft_v; -.soft_v: - IVT_ENTRY_CALL soft_v_n; diff --git a/libgloss/epiphany/epiphany-syscalls.c b/libgloss/epiphany/epiphany-syscalls.c deleted file mode 100644 index e6ebcee..0000000 --- a/libgloss/epiphany/epiphany-syscalls.c +++ /dev/null @@ -1,271 +0,0 @@ -/* Adapteva epiphany-core implementation of stdio support functions () - - Copyright (c) 2011, 2012 Adapteva, Inc. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - -#include <errno.h> - -/* simple include interface to EPIPHANY trap instruction. */ - -/* - * The simulator uses a trap instruction to escape to the simulator to do file i/o - */ - -/* trapcode r0 r1 r2 */ -#define TRAP_write 0 /* channel addr len */ -#define TRAP_read 1 /* channel addr len */ -#define TRAP_open 2 /* filepath mode */ -#define TRAP_exit 3 /* status */ -#define TRAP_pass 4 /* - */ -#define TRAP_fail 5 /* - */ -#define TRAP_close 6 /* channel */ -#define TRAP_other 7 /* subcode r1 r2 */ - - -#include "epiphany-syscalls.h" - - -/* prototypical inline asm */ -int __attribute__ ((section ("libgloss_epiphany"))) asm_write (int CHAN, void* ADDR, int LEN) -{ - register int chan asm("r0") = CHAN; - register void* addr asm("r1") = ADDR; - register int len asm("r2") = LEN; - register int result asm("r0"); - register int error asm("r3"); - asm ("trap 0" : "=r" (result), "=r" (error) : - "r" (chan), "r" (addr), "r" (len)); - if (error) - errno = error; - return result; -} - -int __attribute__ ((section ("libgloss_epiphany"))) asm_read(int CHAN, void *ADDR, int LEN) -{ - register int chan asm("r0") = CHAN; - register void* addr asm("r1") = ADDR; - register int len asm("r2") = LEN; - register int result asm("r0"); - register int error asm("r3"); - asm ("trap 1" : "=r" (result), "=r" (error) : - "r" (chan), "r" (addr), "r" (len)); - if (error) - errno = error; - return result; -} - - -int __attribute__ ((section ("libgloss_epiphany"))) -asm_open(const char* FILE, int FLAGS, int MODE) -{ - register const char* file asm("r0") = FILE; - register int flags asm("r1") = FLAGS; - register int result asm("r0"); - register int error asm("r3"); - asm ("trap 2" : "=r" (result), "=r" (error) : "r" (file), "r" (flags)); - if (error) - errno = error; - return result; -} - -void __attribute__ ((section ("libgloss_epiphany"))) asm_exit(int STATUS) -{ - register int status asm("r0") = STATUS; - asm("trap 3" :: "r" (status)); -} - -int __attribute__ ((section ("libgloss_epiphany"))) asm_close(int CHAN) -{ - register int chan asm("r0") = CHAN; - register int result asm("r0"); - register int error asm("r3"); - asm ("trap 6" : "=r" (result), "=r" (error) : "r" (chan)); - if (error) - errno = error; - return result; -} - -int __attribute__ ((section ("libgloss_epiphany"))) asm_syscall(void *P1,void *P2, void *P3, int SUBFUN) -{ - register void* p1 asm("r0") = (void*)P1; - register void* p2 asm("r1") = (void*)P2; - register void* p3 asm("r2") = (void*)P3; - register int result asm("r0"); - register int subfun asm("r3") = SUBFUN; - register int error asm("r3"); - asm ("trap 7" : "=r" (result), "=r" (error) : - "r" (p1), "r" (p2), "r" (p3), "r" (subfun)); - if (error) - errno = error; - return result; -} - -/* - * Signal functions implementation - * - */ - -#include "epiphany-config.h" - - -#define HW_RESET 0 -#define SW_EXCEPTION_IVT_N 1 -#define PAGE_MISS_IVT_N 2 -#define TIMER0_IVT_N 3 -#define TIMER1_IVT_N 4 -#define MESSAGE_IVT_N 5 -#define DMA0_IVT_N 6 -#define DMA1_IVT_N 7 -#define WAND_IVT_N 8 -#define USR_SOFT_IVT_N 9 - - -typedef void (*sighandler_t)(int); -extern sighandler_t ISR_VECTOR[]; -extern void DEFAULT_ISR_CALLBACK(); - -sighandler_t __attribute__ ((section ("libgloss_epiphany"))) signal(int signum, sighandler_t handler) { - switch( signum ) - { - case SIG_DFL /* see signal.h */: - //the default is ignore - break; - case SIG_IGN /* see signal.h */ : - DEFAULT_ISR_CALLBACK(); - break; - case SIG_ERR : - asm("trap 5"); - break; - case SIG_RESET: - ISR_VECTOR[HW_RESET] = handler; - break; - case SIG_SW_EXCEPTION: - ISR_VECTOR[SW_EXCEPTION_IVT_N] = handler; - break; - case SIG_PAGE_MISS: - ISR_VECTOR[PAGE_MISS_IVT_N] = handler; - break; - case SIG_TIMER0: - ISR_VECTOR[TIMER0_IVT_N] = handler; - break; - case SIG_TIMER1: - ISR_VECTOR[TIMER1_IVT_N] = handler; - break; - case SIG_MESSAGE: - ISR_VECTOR[MESSAGE_IVT_N] = handler; - break; - case SIG_DMA0: - ISR_VECTOR[DMA0_IVT_N] = handler; - break; - case SIG_DMA1: - ISR_VECTOR[DMA1_IVT_N] = handler; - break; - case SIG_WAND: - ISR_VECTOR[WAND_IVT_N] = handler; - break; - - case SIG_USR1: - ISR_VECTOR[USR_SOFT_IVT_N] = handler; - break; - default: - //do nothing - return 0; - } - - return 0; -} - -//int e_raise(int signum) __attribute__ ((optimize("O0"))); - -int __attribute__ ((section ("libgloss_epiphany"))) e_raise(int signum) { - - //register int imask asm("r4") = 0 ; - volatile register int ilatst /*asm("r5") */= signum; - - switch( signum ) - { - case SIG_DFL /* see signal.h */: - //the default is ignore - return 0; - case SIG_IGN /* see signal.h */ : - //do nothing - return 0; - case SIG_ERR : - - return 0; - case SIG_RESET: - //imask = 1 << HW_RESET; - ilatst = 1 << HW_RESET; - break; - - case SIG_SW_EXCEPTION: - //imask = 1 << SW_EXCEPTION_IVT_N; - ilatst = 1 << SW_EXCEPTION_IVT_N; - break; - case SIG_PAGE_MISS: - //imask = 1 << PAGE_MISS_IVT_N; - ilatst = 1 << PAGE_MISS_IVT_N; - break; - case SIG_TIMER0: - //imask = 1 << TIMER0_IVT_N; - ilatst = 1 << TIMER0_IVT_N; - break; - case SIG_TIMER1: - //imask = 1 << TIMER1_IVT_N; - ilatst = 1 << TIMER1_IVT_N; - break; - case SIG_MESSAGE: - //imask = 1 << MESSAGE_IVT_N; - ilatst = 1 << MESSAGE_IVT_N; - break; - case SIG_DMA0: - //imask = 1 << DMA0_IVT_N; - ilatst = 1 << DMA0_IVT_N; - break; - case SIG_DMA1: - //imask = 1 << DMA1_IVT_N; - ilatst = 1 << DMA1_IVT_N; - break; - case SIG_WAND: - __asm__ __volatile__ ("wand"); - //ilatst = 1 << WAND_IVT_N; - //break; - return; - - case SIG_USR1: - ilatst = 1 << USR_SOFT_IVT_N; - break; - - default: - //do nothing - return 0; - } - //asm("movts imask, r4;"); - //asm("movts ilatst, r5;"); - __asm__ __volatile__ ("movts ilatst, %0" : "=r" (ilatst) : "r" (ilatst)); - return 0; - -} diff --git a/libgloss/epiphany/epiphany-syscalls.h b/libgloss/epiphany/epiphany-syscalls.h deleted file mode 100644 index 3af1c6f..0000000 --- a/libgloss/epiphany/epiphany-syscalls.h +++ /dev/null @@ -1,39 +0,0 @@ -/* Adapteva e-core implementation of stdio support functions () - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - -#ifndef __EPIPHANY_SIM_H_ -#define __EPIPHANY_SIM_H_ - -int asm_write (int CHAN, void* ADDR, int LEN); -int asm_read(int CHAN, void *ADDR, int LEN); -int asm_open(const char* FILE, int FLAGS, int MODE); -void asm_exit(int STATUS); -int asm_close(int CHAN); -int asm_syscall(void *P1, void *P2, void *P3, int SUBFUN); - -#endif diff --git a/libgloss/epiphany/execve.c b/libgloss/epiphany/execve.c deleted file mode 100644 index 21e4897..0000000 --- a/libgloss/epiphany/execve.c +++ /dev/null @@ -1,56 +0,0 @@ -/* EPIPHANY implementation of _execve () - - Copyright (c) 2011, 2012 Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#include <errno.h> -#include <sys/types.h> - - -/* ------------------------------------------------------------------------- */ -/*!Transfer control to a new process. - - This is a minimal implementation, which always fails (there are no - processes)! - - @todo Is this a permissible errno? - - @param[in] filename The file to execute - @param[in] argv Null terminated list of args to the program - @param[in] envp Null terminated list of environment value pairs - - @return 0 on success, -1 on failure with an error code in errno. */ -/* ------------------------------------------------------------------------- */ -int __attribute__ ((section ("libgloss_epiphany"))) -_execve (const char *filename, char * const argv[], char * const envp[]) -{ - errno = ENOSYS; /* We don't do processes */ - return -1; - -} /* _execve () */ diff --git a/libgloss/epiphany/fork.c b/libgloss/epiphany/fork.c deleted file mode 100644 index a655484..0000000 --- a/libgloss/epiphany/fork.c +++ /dev/null @@ -1,52 +0,0 @@ -/* EPIPHANY implementation of _fork () - - Copyright (c) 2011, 2012 Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#include <errno.h> -#include <sys/types.h> - -/* ------------------------------------------------------------------------- */ -/*!Create a new process - - This is a minimal implementation, which always fails, since we have no - processes. - - @todo Is this a permissible errno? - - @return pid of the child (returning the parent), 0 (returning in the - parent) on success, -1 on failure with an error code in errno. */ -/* ------------------------------------------------------------------------- */ -pid_t __attribute__ ((section ("libgloss_epiphany"))) -_fork (void) -{ - errno = ENOSYS; - return -1; - -} /* _fork () */ diff --git a/libgloss/epiphany/fstat.c b/libgloss/epiphany/fstat.c deleted file mode 100644 index 5a20b57..0000000 --- a/libgloss/epiphany/fstat.c +++ /dev/null @@ -1,49 +0,0 @@ -/* EPIPHANY implementation of _fstat () - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#include <sys/stat.h> -#include <syscall.h> - - -/* ------------------------------------------------------------------------- */ -/*!Status of an open file - - @param[in] fildes File descriptor for which status is sought - @param[out] st Structure for the status information - - @return 0 on success, -1 on failure with an error code in errno. */ -/* ------------------------------------------------------------------------- */ -int __attribute__ ((section ("libgloss_epiphany"))) -_fstat (int fildes, struct stat *st) -{ - return asm_syscall (fildes, st, NULL, SYS_fstat); - -} /* _fstat () */ diff --git a/libgloss/epiphany/getpid.c b/libgloss/epiphany/getpid.c deleted file mode 100644 index 221b653..0000000 --- a/libgloss/epiphany/getpid.c +++ /dev/null @@ -1,47 +0,0 @@ -/* EPIPHANY implementation of _getpid () - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - -#include <sys/types.h> - -/* ------------------------------------------------------------------------- */ -/*!Get the process ID - - A minimal implementation is best advised to return 1, the number of the - only process. This means the code will work for programs which generate - filenames based on the PID. - - @return the PID. This function never fails. */ -/* ------------------------------------------------------------------------- */ -pid_t __attribute__ ((section ("libgloss_epiphany"))) -_getpid (void) -{ - return 1; - -} /* _getpid () */ diff --git a/libgloss/epiphany/gettimeofday.c b/libgloss/epiphany/gettimeofday.c deleted file mode 100644 index e169385..0000000 --- a/libgloss/epiphany/gettimeofday.c +++ /dev/null @@ -1,39 +0,0 @@ -/* EPIPHANY implementation of _stat () - - Copyright (c) 2011, 2012 Adapteva, Inc. - All rights reserved. - - Contributor Joern Rennecke <joern.rennecke@embecosm.com> for Adapteva Inc. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - -#include <errno.h> -#include <sys/time.h> -#include "syscall.h" - -int -_gettimeofday (struct timeval *tp, void *tzp) -{ - return asm_syscall (tp, tzp, NULL, SYS_gettimeofday); -} diff --git a/libgloss/epiphany/kill.c b/libgloss/epiphany/kill.c deleted file mode 100644 index 64c9151..0000000 --- a/libgloss/epiphany/kill.c +++ /dev/null @@ -1,52 +0,0 @@ -/* EPIPHANY implementation of _kill () - - Copyright (c) 2011, 2012 Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#include <errno.h> -#include <sys/types.h> - - -/* ------------------------------------------------------------------------- */ -/*!Send a signal - - This is a minimal implementation, just call the internal rise - - @param[in] pid The process that should receive the signal - @param[in] sig The signal to send - - @return 0 on success, -1 on failure with an error code in errno. */ -/* ------------------------------------------------------------------------- */ -extern int e_raise(int signum); -int __attribute__ ((section ("libgloss_epiphany"))) -_kill (pid_t pid, int sig) -{ - //errno = EINVAL; - return e_raise(sig); -} /* _kill () */ diff --git a/libgloss/epiphany/link.c b/libgloss/epiphany/link.c deleted file mode 100644 index d87637e..0000000 --- a/libgloss/epiphany/link.c +++ /dev/null @@ -1,53 +0,0 @@ -/* EPIPHANY implementation of _link () - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#include <unistd.h> -#include <syscall.h> - - -/* ------------------------------------------------------------------------- */ -/*!Establish a new name for an existing file. - - Call an assembly function which will generate a system call trap. Either - the simulator host file system or the hardware BSP must provide the - functionality. - - @param[in] old The existing file name - @param[in] new The new file name - - @return 0 on success, -1 on failure with an error code in errno. */ -/* ------------------------------------------------------------------------- */ -int __attribute__ ((section ("libgloss_epiphany"))) -_link (const char *old, const char *new) -{ - return asm_syscall (old, new, NULL, SYS_link); - -} /* _link () */ diff --git a/libgloss/epiphany/lseek.c b/libgloss/epiphany/lseek.c deleted file mode 100644 index 64ffcdd..0000000 --- a/libgloss/epiphany/lseek.c +++ /dev/null @@ -1,47 +0,0 @@ -/* EPIPHANY implementation of _lseek () - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - -#include <syscall.h> -#include <sys/types.h> - -/* ------------------------------------------------------------------------- */ -/*!Set a position in a file - - @param[in] fildes The file descriptor on which to seek - @param[in] offset The desired offset - @param[in] whence Where the offset is measured from - - @return 0 on success, -1 on failure with an error code in errno. */ -/* ------------------------------------------------------------------------- */ -off_t __attribute__ ((section ("libgloss_epiphany"))) -_lseek (int fildes, off_t offset, int whence) -{ - return asm_syscall (fildes, offset, whence, SYS_lseek); -} /* _lseek () */ diff --git a/libgloss/epiphany/open.c b/libgloss/epiphany/open.c deleted file mode 100644 index 71e9d582b..0000000 --- a/libgloss/epiphany/open.c +++ /dev/null @@ -1,49 +0,0 @@ -/* EPIPHANY implementation of _open () - - Copyright (c) 2011, 2012 Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#include <sys/types.h> -#include "epiphany-syscalls.h" -#include "syscall.h" - -/* ------------------------------------------------------------------------- */ -/*!Open a file - - @param[in] file The name of the file to open - @param[in] flags The flags definining how the file should be opened - @param[in] mode The permissions to be used in the new file - - @return 0 on success, -1 on failure with an error code in errno. */ -/* ------------------------------------------------------------------------- */ -int __attribute__ ((section ("libgloss_epiphany"))) -_open (const char *file, int flags, mode_t mode) -{ - return asm_open (file, flags, mode); -} /* _open () */ diff --git a/libgloss/epiphany/read.c b/libgloss/epiphany/read.c deleted file mode 100644 index 6e33e05..0000000 --- a/libgloss/epiphany/read.c +++ /dev/null @@ -1,49 +0,0 @@ -/* EPIPHANY implementation of _read () - - Copyright (c) 2011, 2012 Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - -#include <sys/types.h> -#include "epiphany-syscalls.h" -#include "syscall.h" - -/* ------------------------------------------------------------------------- */ -/*!Read a file - - @param[in] fildes The descriptor of the file from which to read - @param[in] ptr Buffer for the read data - @param[in] len Maximum number of bytes to read - - @return Number of bytes read on success, -1 on failure with an error code - in errno. */ -/* ------------------------------------------------------------------------- */ -ssize_t __attribute__ ((section ("libgloss_epiphany"))) -_read (int fildes, void *ptr, size_t len) -{ - return asm_read (fildes, ptr, len); -} /* _read () */ diff --git a/libgloss/epiphany/sbrk.c b/libgloss/epiphany/sbrk.c deleted file mode 100644 index 4880c0f..0000000 --- a/libgloss/epiphany/sbrk.c +++ /dev/null @@ -1,165 +0,0 @@ -/* EPIPHANY implementation of _sbrk () - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ -/* ------------------------------------------------------------------------- */ -/* This implementation is suitable for use with the Verilator simulation of - the EPIPHANY. - - Commenting suitable for processing by Doxygen is provided throughout. */ -/* ------------------------------------------------------------------------- */ -#include <sys/types.h> -#include <errno.h> -#include <stddef.h> - -/* ------------------------------------------------------------------------- */ -/*!Increase program data space - - This is a minimal implementation. Assuming the heap is growing upwards - from __heap_start towards __heap_end. - See linker file for definition. - - @param[in] incr The number of bytes to increment the stack by. - - @return A pointer to the start of the new block of memory */ -/* ------------------------------------------------------------------------- */ -void * -_sbrk (int incr) -{ - extern char __heap_start;//set by linker - extern char __heap_end;//set by linker - - static char *heap_end; /* Previous end of heap or 0 if none */ - char *prev_heap_end; - - if (0 == heap_end) { - heap_end = &__heap_start; /* Initialize first time round */ - } - - prev_heap_end = heap_end; - heap_end += incr; - //check - if( heap_end < (&__heap_end)) { - - } else { - errno = ENOMEM; - return (char*)-1; - } - return (void *) prev_heap_end; - -} /* _sbrk () */ - - - -///* sbrk support */ -// -///* The current plan is to have one sbrk handler for all cpus. -// Hence use `asm' for each global variable here to avoid the cpu prefix. -// We can't intrude on the user's namespace (another reason to use asm). */ -// -//#include <sys/types.h> -///*#include <sys/syscall.h>*/ -//#include <errno.h> -//#include <stddef.h> -// -///* These variables are publicly accessible for debugging purposes. -// The user is also free to set sbrk_size to something different. -// See mem-layout.c. */ -// -//extern int sbrk_size asm ("sbrk_size"); -// -//caddr_t sbrk_start asm ("sbrk_start"); -//caddr_t sbrk_loc asm ("sbrk_loc"); -//extern char end; /* Defined by linker. */ -// -///*caddr_t _sbrk_r (struct _reent *, size_t) asm ("__sbrk_r");*/ -// -// -///* This symbol can be defined with the --defsym linker option. */ -//extern char __heap_end __attribute__((weak)); -// -// -///* FIXME: We need a semaphore here. */ -// -//caddr_t -//_sbrk_r (struct _reent *r, size_t nbytes) -//{ -// extern char end; /* Defined by linker. */ -// static char *heap_end; /* Previous end of heap or 0 if none */ -// char *prev_heap_end; -// register char* stack asm("sp"); -// -// if (0 == heap_end) -// { -// heap_end = &end; /* Initialize first time round */ -// } -// -// prev_heap_end = heap_end; -// -// if (stack < (prev_heap_end+nbytes)) { -// /* heap would overlap the current stack depth. -// * Future: use sbrk() system call to make simulator grow memory beyond -// * the stack and allocate that -// */ -// errno = ENOMEM; -// return (char*)-1; -// } -// -// heap_end += nbytes; -// -// return (caddr_t) prev_heap_end; -// -//} /* _sbrk () */ - - -//caddr_t -//_sbrk_r (struct _reent *r, size_t nbytes) -//{ -// caddr_t result; -// -// void *heap_end; -// -// heap_end = &__heap_end; -// if (!heap_end) -// heap_end = sbrk_start + sbrk_size; -// if ( -// /* Ensure we don't underflow. */ -// sbrk_loc + nbytes < sbrk_start -// /* Ensure we don't overflow. */ -// || sbrk_loc + nbytes > (caddr_t)heap_end) -// { -// errno = ENOMEM; -// return ((caddr_t) -1); -// } -// -// if (0 == sbrk_loc) -// sbrk_loc = &end; /* Initialize first time round */ -// result = sbrk_loc; -// sbrk_loc += nbytes; -// return result; -//} diff --git a/libgloss/epiphany/stat.c b/libgloss/epiphany/stat.c deleted file mode 100644 index 988f28d..0000000 --- a/libgloss/epiphany/stat.c +++ /dev/null @@ -1,48 +0,0 @@ -/* EPIPHANY implementation of _stat () - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#include <sys/stat.h> -#include <syscall.h> - - -/* ------------------------------------------------------------------------- */ -/*!Status of a file (by name) - - @param[in] file Name of the file for which status is sought - @param[out] st Structure for the status information - - @return 0 on success, -1 on failure with an error code in errno. */ -/* ------------------------------------------------------------------------- */ -int __attribute__ ((section ("libgloss_epiphany"))) -_stat (const char *file, struct stat *st) -{ - return asm_syscall (file, st, NULL, SYS_stat); -} /* _stat () */ diff --git a/libgloss/epiphany/times.c b/libgloss/epiphany/times.c deleted file mode 100644 index edcc8c6..0000000 --- a/libgloss/epiphany/times.c +++ /dev/null @@ -1,53 +0,0 @@ -/* EPIPHANY implementation of _times () - - Copyright (c) 2011, 2012 Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#include <errno.h> -#include <sys/times.h> - - -/* ------------------------------------------------------------------------- */ -/*!Get timing information for current process - - This is a minimal implementation, which always fails - - @todo Is this a permissible errno? - - @param[out] buf Buffer for timing information - - @return 0 on success, -1 on failure with an error code in errno. */ -/* ------------------------------------------------------------------------- */ -clock_t __attribute__ ((section ("libgloss_epiphany"))) -_times (struct tms *buf) -{ - errno = ENOSYS; - return -1; - -} /* _times () */ diff --git a/libgloss/epiphany/unlink.c b/libgloss/epiphany/unlink.c deleted file mode 100644 index c78af28..0000000 --- a/libgloss/epiphany/unlink.c +++ /dev/null @@ -1,53 +0,0 @@ -/* EPIPHANY implementation of _unlink () - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#include <unistd.h> -#include <syscall.h> - - -/* ------------------------------------------------------------------------- */ -/*!Remove a file - - Call an assembly function which will generate a system call trap. Either - the simulator host file system or the hardware BSP must provide the - functionality. - - @param[in] name Name of file to remove - - @return 0 on success, -1 on failure with an error code in errno. */ -/* ------------------------------------------------------------------------- */ -int __attribute__ ((section ("libgloss_epiphany"))) -_unlink (const char *name) -{ - return asm_syscall (name, NULL, NULL, SYS_unlink); - - -} /* _unlink () */ diff --git a/libgloss/epiphany/wait.c b/libgloss/epiphany/wait.c deleted file mode 100644 index 246e3b8..0000000 --- a/libgloss/epiphany/wait.c +++ /dev/null @@ -1,52 +0,0 @@ -/* EPIPHANY implementation of _wait () - - Copyright (c) 2011, 2012 Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#include <errno.h> -#include <sys/types.h> - - -/* ------------------------------------------------------------------------- */ -/*!Wait for a child process - - This is a minimal implementation, which always fails, since we have only - one process. - - @param[out] status Status information about the file waited for. - - @return 0 on success, -1 on failure with an error code in errno. */ -/* ------------------------------------------------------------------------- */ -pid_t __attribute__ ((section ("libgloss_epiphany"))) -_wait (int *status) -{ - errno = ENOSYS; - return -1; - -} /* _wait () */ diff --git a/libgloss/epiphany/write.c b/libgloss/epiphany/write.c deleted file mode 100644 index 430c103..0000000 --- a/libgloss/epiphany/write.c +++ /dev/null @@ -1,52 +0,0 @@ -/* EPIPHANY implementation of _write () - - Copyright (c) 2011, 2012 Adapteva, Inc. - All rights reserved. - - Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - -#include <sys/types.h> -#include "epiphany-syscalls.h" -#include "syscall.h" - - -/* ------------------------------------------------------------------------- */ -/*!Write to a file - - CGEN simulator file output. - - @param[in] fildes File descriptor to write to - @param[in] ptr Buffer of data to write - @param[in] len Number of bytes to write - - @return Number of bytes written on success, -1 on failure with an error - code in errno. */ -/* ------------------------------------------------------------------------- */ -ssize_t __attribute__ ((section ("libgloss_epiphany"))) -_write (int file, const void *ptr, size_t len) -{ - return asm_write (file, ptr, len); -} /* _write () */ |