Add BSP and semihosting library for nios2-generic-nommu QEMU emulation.
This commit is contained in:
Sandra Loosemore
Corinna Vinschen
parent
054ff18f5f
commit
fddc74d12b
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@ -710,6 +710,7 @@ spu
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tic6x
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iq2000
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or1k
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nios2
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libnosys'
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# Initialize some variables set by options.
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@ -2585,6 +2586,10 @@ case "${target}" in
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or1k-*-* | or1knd-*-* )
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subdirs="$subdirs or1k"
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;;
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nios2-*-*)
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subdirs="$subdirs nios2"
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;;
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esac
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@ -176,6 +176,9 @@ case "${target}" in
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or1k-*-* | or1knd-*-* )
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AC_CONFIG_SUBDIRS([or1k])
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;;
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nios2-*-*)
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AC_CONFIG_SUBDIRS([nios2])
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;;
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esac
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dnl For now, don't bother configuring testsuite
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@ -0,0 +1,118 @@
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# Copyright (c) 1995, 1996, 2001 Cygnus Support -*- mode:makefile -*-
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# Copyright (c) 2018, Mentor Graphics
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#
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# The authors hereby grant permission to use, copy, modify, distribute,
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# and license this software and its documentation for any purpose, provided
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# that existing copyright notices are retained in all copies and that this
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# notice is included verbatim in any distributions. No written agreement,
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# license, or royalty fee is required for any of the authorized uses.
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# Modifications to this software may be copyrighted by their authors
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# and need not follow the licensing terms described here, provided that
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# the new terms are clearly indicated on the first page of each file where
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# they apply.
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#
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DESTDIR =
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VPATH = @srcdir@
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srcdir = @srcdir@
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objdir = .
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srcroot = $(srcdir)/../..
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objroot = $(objdir)/../..
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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host_alias = @host_alias@
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target_alias = @target_alias@
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program_transform_name = @program_transform_name@
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bindir = @bindir@
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libdir = @libdir@
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tooldir = $(exec_prefix)/$(target_alias)
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# Multilib support variables.
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# TOP is used instead of MULTI{BUILD,SRC}TOP.
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MULTIDIRS =
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MULTISUBDIR =
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MULTIDO = true
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MULTICLEAN = true
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INSTALL = @INSTALL@
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INSTALL_PROGRAM = @INSTALL_PROGRAM@
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INSTALL_DATA = @INSTALL_DATA@
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SHELL = /bin/sh
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CC = @CC@
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AS = @AS@
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AR = @AR@
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LD = @LD@
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RANLIB = @RANLIB@
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AR_FLAGS = qv
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OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \
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then echo ${objroot}/../binutils/objdump ; \
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else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi`
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OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
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then echo ${objroot}/../binutils/objcopy ; \
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else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
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# Linker scripts.
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BSP_SCRIPTS= qemu-hosted.ld
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# Semihosting library.
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HOSTED_BSP= libnios2.a
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HOSTED_OBJS= io-gdb.o io-exit.o \
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io-close.o io-fstat.o \
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io-gettimeofday.o io-isatty.o io-lseek.o \
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io-open.o io-read.o io-rename.o \
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io-stat.o io-system.o io-time.o \
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io-unlink.o io-write.o \
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sbrk.o kill.o getpid.o
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# Host specific makefile fragment comes in here.
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@host_makefile_frag@
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all :: ${HOSTED_BSP}
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# Build semihosting library.
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crt0.o: crt0.S
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$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) -c $< -o $@
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io-nios2.o: io-nios2.S
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$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) -c $< -o $@
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$(HOSTED_OBJS): %.o: %.c io.h
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$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) -DHOSTED=1 $(INCLUDES) -c $< -o $@
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$(HOSTED_BSP): crt0.o io-nios2.o $(HOSTED_OBJS) $(OTHER_OBJS)
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${AR} ${ARFLAGS} $@ $^
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${RANLIB} $@
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.PHONY: install info dvi doc install-info clean-info
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install::
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$(INSTALL_DATA) $(HOSTED_BSP) \
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$(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
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for x in ${BSP_SCRIPTS}; do\
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${INSTALL_DATA} ${srcdir}/$${x} $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; \
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done
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# target specific makefile fragment comes in here.
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@target_makefile_frag@
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clean mostlyclean:
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rm -f a.out core *.i *~ *.a *.o *-test *.srec *.dis *.x *.map
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distclean maintainer-clean realclean: clean
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rm -f Makefile config.cache config.log config.status
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info dvi doc:
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install-info:
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clean-info:
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Makefile: Makefile.in config.status @host_makefile_frag_path@ @target_makefile_frag_path@
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$(SHELL) config.status
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config.status: configure
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$(SHELL) config.status --recheck
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@ -0,0 +1,344 @@
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# generated automatically by aclocal 1.9.5 -*- Autoconf -*-
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# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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# 2005 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE.
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
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# Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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none) break ;;
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# that says an option was ignored or not supported.
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# icc: Command line warning: ignoring option '-M'; no argument required
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# gives unlimited permission to copy and/or distribute it,
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# serial 2
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# Check whether the underlying file-system supports filenames
|
||||
# with a leading dot. For instance MS-DOS doesn't.
|
||||
AC_DEFUN([AM_SET_LEADING_DOT],
|
||||
[rm -rf .tst 2>/dev/null
|
||||
mkdir .tst 2>/dev/null
|
||||
if test -d .tst; then
|
||||
am__leading_dot=.
|
||||
else
|
||||
am__leading_dot=_
|
||||
fi
|
||||
rmdir .tst 2>/dev/null
|
||||
AC_SUBST([am__leading_dot])])
|
||||
|
||||
# Check to see how 'make' treats includes. -*- Autoconf -*-
|
||||
|
||||
# Copyright (C) 2001, 2002, 2003, 2005 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 3
|
||||
|
||||
# AM_MAKE_INCLUDE()
|
||||
# -----------------
|
||||
# Check to see how make treats includes.
|
||||
AC_DEFUN([AM_MAKE_INCLUDE],
|
||||
[am_make=${MAKE-make}
|
||||
cat > confinc << 'END'
|
||||
am__doit:
|
||||
@echo done
|
||||
.PHONY: am__doit
|
||||
END
|
||||
# If we don't find an include directive, just comment out the code.
|
||||
AC_MSG_CHECKING([for style of include used by $am_make])
|
||||
am__include="#"
|
||||
am__quote=
|
||||
_am_result=none
|
||||
# First try GNU make style include.
|
||||
echo "include confinc" > confmf
|
||||
# We grep out `Entering directory' and `Leaving directory'
|
||||
# messages which can occur if `w' ends up in MAKEFLAGS.
|
||||
# In particular we don't look at `^make:' because GNU make might
|
||||
# be invoked under some other name (usually "gmake"), in which
|
||||
# case it prints its new name instead of `make'.
|
||||
if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
|
||||
am__include=include
|
||||
am__quote=
|
||||
_am_result=GNU
|
||||
fi
|
||||
# Now try BSD make style include.
|
||||
if test "$am__include" = "#"; then
|
||||
echo '.include "confinc"' > confmf
|
||||
if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
|
||||
am__include=.include
|
||||
am__quote="\""
|
||||
_am_result=BSD
|
||||
fi
|
||||
fi
|
||||
AC_SUBST([am__include])
|
||||
AC_SUBST([am__quote])
|
||||
AC_MSG_RESULT([$_am_result])
|
||||
rm -f confinc confmf
|
||||
])
|
||||
|
||||
m4_include([../acinclude.m4])
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,58 @@
|
|||
dnl Process this file with autoconf to produce a configure script.
|
||||
AC_PREREQ(2.59)
|
||||
AC_INIT(crt0.S)
|
||||
|
||||
if test "${enable_shared}" = "yes" ; then
|
||||
echo "Shared libraries not supported for cross compiling, ignored"
|
||||
fi
|
||||
|
||||
if test "$srcdir" = "." ; then
|
||||
if test "${with_target_subdir}" != "." ; then
|
||||
libgloss_topdir="${with_multisrctop}../../.."
|
||||
else
|
||||
libgloss_topdir="${with_multisrctop}../.."
|
||||
fi
|
||||
else
|
||||
libgloss_topdir="${srcdir}/../.."
|
||||
fi
|
||||
AC_CONFIG_AUX_DIR($libgloss_topdir)
|
||||
|
||||
AC_CANONICAL_SYSTEM
|
||||
AC_ARG_PROGRAM
|
||||
|
||||
AC_PROG_INSTALL
|
||||
|
||||
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
|
||||
target_makefile_frag=${srcdir}/../config/default.mt
|
||||
|
||||
dnl We have to assign the same value to other variables because autoconf
|
||||
dnl doesn't provide a mechanism to substitute a replacement keyword with
|
||||
dnl arbitrary data or pathnames.
|
||||
dnl
|
||||
host_makefile_frag_path=$host_makefile_frag
|
||||
AC_SUBST(host_makefile_frag_path)
|
||||
AC_SUBST_FILE(host_makefile_frag)
|
||||
target_makefile_frag_path=$target_makefile_frag
|
||||
AC_SUBST(target_makefile_frag_path)
|
||||
AC_SUBST_FILE(target_makefile_frag)
|
||||
|
||||
AC_CONFIG_FILES(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
|
||||
|
|
@ -0,0 +1,140 @@
|
|||
/* crt0.S -- startup code for Nios II QEMU generic-nommu board emulation.
|
||||
|
||||
Copyright (c) 2018 Mentor Graphics
|
||||
|
||||
The authors hereby grant permission to use, copy, modify, distribute,
|
||||
and license this software and its documentation for any purpose, provided
|
||||
that existing copyright notices are retained in all copies and that this
|
||||
notice is included verbatim in any distributions. No written agreement,
|
||||
license, or royalty fee is required for any of the authorized uses.
|
||||
Modifications to this software may be copyrighted by their authors
|
||||
and need not follow the licensing terms described here, provided that
|
||||
the new terms are clearly indicated on the first page of each file where
|
||||
they apply.
|
||||
|
||||
Parts of this file were derived from code written by Altera Corporation
|
||||
and distributed under the following license:
|
||||
|
||||
Copyright (c) 2006 Altera Corporation, San Jose, California, USA.
|
||||
All rights reserved.
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a
|
||||
copy of this software and associated documentation files (the "Software"),
|
||||
to deal in the Software without restriction, including without limitation
|
||||
the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
and/or sell copies of the Software, and to permit persons to whom the
|
||||
Software is furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in
|
||||
all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
DEALINGS IN THE SOFTWARE.
|
||||
|
||||
This agreement shall be governed in all respects by the laws of the State
|
||||
of California and by the laws of the United States of America.
|
||||
*/
|
||||
|
||||
/* Cache sizes. */
|
||||
|
||||
#define NIOS2_ICACHE_LINE_SIZE 32
|
||||
#define NIOS2_ICACHE_SIZE 32768
|
||||
#define NIOS2_DCACHE_LINE_SIZE 32
|
||||
#define NIOS2_DCACHE_SIZE 32768
|
||||
|
||||
/* External symbols. */
|
||||
.globl __stack
|
||||
.globl __gp
|
||||
.globl __bss_start
|
||||
.globl __bss_end
|
||||
.weak exit
|
||||
|
||||
/* Processor reset code lives at the base of RAM. At reset, only the cache
|
||||
line that contains the reset vector is initialized; the reset code has
|
||||
to fit in this cache line and initialize the remainder of the instruction
|
||||
cache. */
|
||||
|
||||
.section .text.entry, "ax"
|
||||
.align 5
|
||||
.set noat
|
||||
|
||||
.globl __reset
|
||||
.type __reset, @function
|
||||
__reset:
|
||||
|
||||
/* Initialize the icache. */
|
||||
movui r2, NIOS2_ICACHE_SIZE
|
||||
0:
|
||||
initi r2
|
||||
addi r2, r2, -NIOS2_ICACHE_LINE_SIZE
|
||||
bgt r2, zero, 0b
|
||||
1:
|
||||
/* Jump to the __start entry point. */
|
||||
movhi r1, %hi(__start)
|
||||
ori r1, r1, %lo(__start)
|
||||
jmp r1
|
||||
|
||||
.size __reset, . - __reset
|
||||
|
||||
|
||||
/* __start is the ELF entry point. */
|
||||
|
||||
.section .text.start, "ax"
|
||||
.align 4
|
||||
.globl __start
|
||||
.type __start, @function
|
||||
|
||||
__start:
|
||||
|
||||
/* Initialize the data cache. */
|
||||
movui r2, NIOS2_DCACHE_SIZE
|
||||
0:
|
||||
initd 0(r2)
|
||||
addi r2, r2, -NIOS2_DCACHE_LINE_SIZE
|
||||
bgt r2, zero, 0b
|
||||
1:
|
||||
|
||||
/* Initialize the stack pointer. */
|
||||
movhi sp, %hi(__stack)
|
||||
ori sp, sp, %lo(__stack)
|
||||
|
||||
/* Initialize the GP. */
|
||||
movhi gp, %hi(_gp)
|
||||
ori gp, gp, %lo(_gp)
|
||||
|
||||
/* Clear BSS. */
|
||||
movhi r2, %hi(__bss_start)
|
||||
ori r2, r2, %lo(__bss_start)
|
||||
movhi r3, %hi(__bss_end)
|
||||
ori r3, r3, %lo(__bss_end)
|
||||
beq r2, r3, 1f
|
||||
0:
|
||||
stw zero, (r2)
|
||||
addi r2, r2, 4
|
||||
bltu r2, r3, 0b
|
||||
1:
|
||||
|
||||
/* Run initializers. */
|
||||
call __libc_init_array
|
||||
|
||||
/* Call the C entry point. */
|
||||
mov r4, zero /* argc */
|
||||
mov r5, zero /* argv */
|
||||
call main
|
||||
|
||||
/* If main returns, call exit if it is defined. */
|
||||
movhi r3, %hi(exit)
|
||||
ori r3, r3, %lo(exit)
|
||||
beq r3, zero, 2f
|
||||
mov r4, r2 /* exit status from main */
|
||||
callr r3
|
||||
|
||||
/* Otherwise sit in busy loop. */
|
||||
2:
|
||||
br 2b
|
||||
.size __start, . - __start
|
||||
|
|
@ -0,0 +1,22 @@
|
|||
/*
|
||||
* kill.c
|
||||
*
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
/* Minimal implementation of getpid for a target system without processes. */
|
||||
int
|
||||
getpid ()
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
/*
|
||||
* io-close.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#define IO close
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* close -- close a file descriptor.
|
||||
* input parameters:
|
||||
* 0 : file descriptor
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
int close (int fd)
|
||||
{
|
||||
#if HOSTED
|
||||
gdb_parambuf_t parameters;
|
||||
parameters[0] = (uint32_t) fd;
|
||||
__io_hosted (HOSTED_CLOSE, parameters);
|
||||
errno = __hosted_from_gdb_errno (parameters[1]);
|
||||
return parameters[0];
|
||||
#else
|
||||
return 0;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
/*
|
||||
* io-exit.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#if HOSTED
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* _exit -- Exit from the application.
|
||||
*/
|
||||
|
||||
void __attribute__ ((noreturn)) _exit (int code)
|
||||
{
|
||||
while (1)
|
||||
__io_hosted (HOSTED_EXIT, (void *)code);
|
||||
}
|
||||
#endif
|
||||
|
|
@ -0,0 +1,50 @@
|
|||
/*
|
||||
* io-fstat.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#define IO fstat
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* fstat -- get file information
|
||||
* input parameters:
|
||||
* 0 : file descriptor
|
||||
* 1 : stat buf ptr
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
int fstat (int fd, struct stat *buf)
|
||||
{
|
||||
#if HOSTED
|
||||
gdb_parambuf_t parameters;
|
||||
struct gdb_stat gbuf;
|
||||
parameters[0] = (uint32_t) fd;
|
||||
parameters[1] = (uint32_t) &gbuf;
|
||||
__io_hosted (HOSTED_FSTAT, parameters);
|
||||
__hosted_from_gdb_stat (&gbuf, buf);
|
||||
errno = __hosted_from_gdb_errno (parameters[1]);
|
||||
return parameters[0];
|
||||
#else
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,152 @@
|
|||
/*
|
||||
* hosted io support for GDB's remote fileio protocol
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include "io.h"
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
|
||||
gdb_mode_t
|
||||
__hosted_to_gdb_mode_t (mode_t m)
|
||||
{
|
||||
gdb_mode_t result = 0;
|
||||
if (m & S_IFREG)
|
||||
result |= GDB_S_IFREG;
|
||||
if (m & S_IFDIR)
|
||||
result |= GDB_S_IFDIR;
|
||||
if (m & S_IRUSR)
|
||||
result |= GDB_S_IRUSR;
|
||||
if (m & S_IWUSR)
|
||||
result |= GDB_S_IWUSR;
|
||||
if (m & S_IXUSR)
|
||||
result |= GDB_S_IXUSR;
|
||||
if (m & S_IRGRP)
|
||||
result |= GDB_S_IRGRP;
|
||||
if (m & S_IWGRP)
|
||||
result |= GDB_S_IWGRP;
|
||||
if (m & S_IXGRP)
|
||||
result |= GDB_S_IXGRP;
|
||||
if (m & S_IROTH)
|
||||
result |= GDB_S_IROTH;
|
||||
if (m & S_IWOTH)
|
||||
result |= GDB_S_IWOTH;
|
||||
if (m & S_IXOTH)
|
||||
result |= GDB_S_IXOTH;
|
||||
return result;
|
||||
}
|
||||
|
||||
int32_t
|
||||
__hosted_to_gdb_open_flags (int f)
|
||||
{
|
||||
int32_t result = 0;
|
||||
if (f & O_RDONLY)
|
||||
result |= GDB_O_RDONLY;
|
||||
if (f & O_WRONLY)
|
||||
result |= GDB_O_WRONLY;
|
||||
if (f & O_RDWR)
|
||||
result |= GDB_O_RDWR;
|
||||
if (f & O_APPEND)
|
||||
result |= GDB_O_APPEND;
|
||||
if (f & O_CREAT)
|
||||
result |= GDB_O_CREAT;
|
||||
if (f & O_TRUNC)
|
||||
result |= GDB_O_TRUNC;
|
||||
if (f & O_EXCL)
|
||||
result |= GDB_O_EXCL;
|
||||
return result;
|
||||
}
|
||||
|
||||
int32_t
|
||||
__hosted_to_gdb_lseek_flags (int f)
|
||||
{
|
||||
if (f == SEEK_CUR)
|
||||
return GDB_SEEK_CUR;
|
||||
else if (f == SEEK_END)
|
||||
return GDB_SEEK_END;
|
||||
else
|
||||
return GDB_SEEK_SET;
|
||||
}
|
||||
|
||||
/* The GDB remote protocol documentation specifies that integer fields
|
||||
within structures are stored in big-endian byte order. On little-endian
|
||||
targets, we have to byte-swap the values to match the target. */
|
||||
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
|
||||
#define SWAP32(n) __builtin_bswap32 (n)
|
||||
#define SWAP64(n) __builtin_bswap64 (n)
|
||||
#else
|
||||
#define SWAP32(n) (n)
|
||||
#define SWAP64(n) (n)
|
||||
#endif /* __BYTE_ORDER__ */
|
||||
|
||||
void
|
||||
__hosted_from_gdb_stat (const struct gdb_stat *gs,
|
||||
struct stat *s)
|
||||
{
|
||||
s->st_dev = SWAP32 (gs->st_dev);
|
||||
s->st_ino = SWAP32 (gs->st_ino);
|
||||
s->st_mode = SWAP32 (gs->st_mode);
|
||||
s->st_nlink = SWAP32 (gs->st_nlink);
|
||||
s->st_uid = SWAP32 (gs->st_uid);
|
||||
s->st_gid = SWAP32 (gs->st_gid);
|
||||
s->st_rdev = SWAP32 (gs->st_rdev);
|
||||
s->st_size = SWAP64 (gs->st_size);
|
||||
s->st_blksize = SWAP64 (gs->st_blksize);
|
||||
s->st_blocks = SWAP64 (gs->st_blocks);
|
||||
s->st_atime = SWAP32 (gs->st_atime);
|
||||
s->st_mtime = SWAP32 (gs->st_mtime);
|
||||
s->st_ctime = SWAP32 (gs->st_ctime);
|
||||
}
|
||||
|
||||
void
|
||||
__hosted_from_gdb_timeval (const struct gdb_timeval *gt,
|
||||
struct timeval *t)
|
||||
{
|
||||
t->tv_sec = SWAP32 (gt->tv_sec);
|
||||
t->tv_usec = SWAP64 (gt->tv_usec);
|
||||
}
|
||||
|
||||
int
|
||||
__hosted_from_gdb_errno (int32_t err)
|
||||
{
|
||||
switch (err)
|
||||
{
|
||||
case 0: return 0;
|
||||
case GDB_EPERM: return EPERM;
|
||||
case GDB_ENOENT: return ENOENT;
|
||||
case GDB_EINTR: return EINTR;
|
||||
case GDB_EBADF: return EBADF;
|
||||
case GDB_EACCES: return EACCES;
|
||||
case GDB_EFAULT: return EFAULT;
|
||||
case GDB_EBUSY: return EBUSY;
|
||||
case GDB_EEXIST: return EEXIST;
|
||||
case GDB_ENODEV: return ENODEV;
|
||||
case GDB_ENOTDIR: return ENOTDIR;
|
||||
case GDB_EISDIR: return EISDIR;
|
||||
case GDB_EINVAL: return EINVAL;
|
||||
case GDB_ENFILE: return ENFILE;
|
||||
case GDB_EMFILE: return EMFILE;
|
||||
case GDB_EFBIG: return EFBIG;
|
||||
case GDB_ENOSPC: return ENOSPC;
|
||||
case GDB_ESPIPE: return ESPIPE;
|
||||
case GDB_EROFS: return EROFS;
|
||||
case GDB_ENAMETOOLONG: return ENAMETOOLONG;
|
||||
case GDB_EUNKNOWN:
|
||||
default:
|
||||
return EIO;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
/*
|
||||
* io-gettimeofday.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <sys/time.h>
|
||||
#include <errno.h>
|
||||
#define IO gettimeofday
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* gettimeofday -- get the current time
|
||||
* input parameters:
|
||||
* 0 : timeval ptr
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
int gettimeofday (struct timeval *tv, void *tzvp)
|
||||
{
|
||||
#if HOSTED
|
||||
gdb_parambuf_t parameters;
|
||||
struct gdb_timeval gtv;
|
||||
struct timezone *tz = tzvp;
|
||||
if (!tv)
|
||||
return 0;
|
||||
if (tz)
|
||||
{
|
||||
errno = EINVAL;
|
||||
return -1;
|
||||
}
|
||||
parameters[0] = (uint32_t) >v;
|
||||
__io_hosted (HOSTED_GETTIMEOFDAY, parameters);
|
||||
__hosted_from_gdb_timeval (>v, tv);
|
||||
errno = __hosted_from_gdb_errno (parameters[1]);
|
||||
return parameters[0];
|
||||
#else
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
/*
|
||||
* io-isatty.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#define IO isatty
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* isatty -- check if fd is a terminal
|
||||
* input parameters:
|
||||
* 0 : file descriptor
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
int isatty (int fd)
|
||||
{
|
||||
#if HOSTED
|
||||
gdb_parambuf_t parameters;
|
||||
parameters[0] = (uint32_t) fd;
|
||||
__io_hosted (HOSTED_ISATTY, parameters);
|
||||
errno = __hosted_from_gdb_errno (parameters[1]);
|
||||
return parameters[0];
|
||||
#else
|
||||
return 1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
/*
|
||||
* io-lseek.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#define IO lseek
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* lseek -- reposition a file descriptor
|
||||
* input parameters:
|
||||
* 0 : file descriptor
|
||||
* 1 : high word of offset
|
||||
* 2 : low word of offset
|
||||
* 3 : seek flag
|
||||
* output parameters:
|
||||
* 0 : high word of result
|
||||
* 1 : low word of result
|
||||
* 2 : errno
|
||||
*/
|
||||
|
||||
off_t lseek (int fd, off_t offset, int whence)
|
||||
{
|
||||
#if HOSTED
|
||||
gdb_parambuf_t parameters;
|
||||
parameters[0] = (uint32_t) fd;
|
||||
parameters[1] = (uint32_t) ((offset >> 32) & 0xffffffff);
|
||||
parameters[2] = (uint32_t) (offset & 0xffffffff);
|
||||
parameters[3] = __hosted_to_gdb_lseek_flags (whence);
|
||||
__io_hosted (HOSTED_LSEEK, parameters);
|
||||
errno = __hosted_from_gdb_errno (parameters[2]);
|
||||
return ((uint64_t)parameters[0] << 32) | ((uint64_t)parameters[1]);
|
||||
#else
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
/*
|
||||
* Low-level semihosting primitive for csky.
|
||||
*
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
/* Implement
|
||||
void __io_hosted (int func, void *args);
|
||||
by causing a break 1. The break handler can find the two parameters in
|
||||
r4 and r5 per the normal C calling convention. */
|
||||
|
||||
.text
|
||||
.align 2
|
||||
.global __io_hosted
|
||||
.type _io_hosted, @function
|
||||
|
||||
__io_hosted:
|
||||
break 1
|
||||
ret
|
||||
|
||||
.size __io_hosted, .-__io_hosted
|
||||
|
|
@ -0,0 +1,62 @@
|
|||
/*
|
||||
* io-open.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdarg.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#define IO open
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* open -- Open a file.
|
||||
* input parameters:
|
||||
* 0 : fname ptr
|
||||
* 1 : fname length
|
||||
* 2 : flags
|
||||
* 3 : mode
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
int open (const char *fname, int flags, ...)
|
||||
{
|
||||
#if HOSTED
|
||||
gdb_parambuf_t parameters;
|
||||
parameters[0] = (uint32_t) fname;
|
||||
parameters[1] = strlen (fname) + 1;
|
||||
parameters[2] = __hosted_to_gdb_open_flags (flags);
|
||||
if (flags & O_CREAT)
|
||||
{
|
||||
va_list ap;
|
||||
va_start (ap, flags);
|
||||
parameters[3] = __hosted_to_gdb_mode_t (va_arg (ap, mode_t));
|
||||
va_end (ap);
|
||||
}
|
||||
else
|
||||
parameters[3] = 0;
|
||||
__io_hosted (HOSTED_OPEN, parameters);
|
||||
errno = __hosted_from_gdb_errno (parameters[1]);
|
||||
return parameters[0];
|
||||
#else
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,48 @@
|
|||
/*
|
||||
* io-read.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#define IO read
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* read -- read from a file descriptor
|
||||
* input parameters:
|
||||
* 0 : file descriptor
|
||||
* 1 : buf ptr
|
||||
* 2 : count
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
ssize_t read (int fd, void *buf, size_t count)
|
||||
{
|
||||
#if HOSTED
|
||||
gdb_parambuf_t parameters;
|
||||
parameters[0] = (uint32_t) fd;
|
||||
parameters[1] = (uint32_t) buf;
|
||||
parameters[2] = (uint32_t) count;
|
||||
__io_hosted (HOSTED_READ, parameters);
|
||||
errno = __hosted_from_gdb_errno (parameters[1]);
|
||||
return parameters[0];
|
||||
#else
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,51 @@
|
|||
/*
|
||||
* io-rename.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#define IO rename
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* rename -- rename a file
|
||||
* input parameters:
|
||||
* 0 : oldname ptr
|
||||
* 1 : oldname length
|
||||
* 2 : newname ptr
|
||||
* 3 : newname length
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
int _rename (const char *oldpath, const char *newpath)
|
||||
{
|
||||
#if HOSTED
|
||||
gdb_parambuf_t parameters;
|
||||
parameters[0] = (uint32_t) oldpath;
|
||||
parameters[1] = (uint32_t) strlen (oldpath) + 1;
|
||||
parameters[2] = (uint32_t) newpath;
|
||||
parameters[3] = (uint32_t) strlen (newpath) + 1;
|
||||
__io_hosted (HOSTED_RENAME, parameters);
|
||||
errno = __hosted_from_gdb_errno (parameters[1]);
|
||||
return parameters[0];
|
||||
#else
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
/*
|
||||
* io-stat.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <string.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#define IO stat
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* stat -- get file information
|
||||
* input parameters:
|
||||
* 0 : filename ptr
|
||||
* 1 : filename length
|
||||
* 2 : stat buf ptr
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
|
||||
int stat (const char *__restrict filename, struct stat *__restrict buf)
|
||||
{
|
||||
#if HOSTED
|
||||
gdb_parambuf_t parameters;
|
||||
struct gdb_stat gbuf;
|
||||
parameters[0] = (uint32_t) filename;
|
||||
parameters[1] = (uint32_t) strlen (filename) + 1;
|
||||
parameters[2] = (uint32_t) &gbuf;
|
||||
__io_hosted (HOSTED_STAT, parameters);
|
||||
__hosted_from_gdb_stat (&gbuf, buf);
|
||||
errno = __hosted_from_gdb_errno (parameters[1]);
|
||||
return parameters[0];
|
||||
#else
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
/*
|
||||
* io-system.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#include <sys/wait.h>
|
||||
#define IO _system
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* system: execute command on (remote) host
|
||||
* input parameters:
|
||||
* 0 : command ptr
|
||||
* 1 : command length
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
int _system (const char *command)
|
||||
{
|
||||
#if HOSTED
|
||||
int e;
|
||||
gdb_parambuf_t parameters;
|
||||
|
||||
parameters[0] = (uint32_t) command;
|
||||
parameters[1] = command ? (uint32_t) strlen (command) + 1 : 0;
|
||||
__io_hosted (HOSTED_SYSTEM, parameters);
|
||||
errno = __hosted_from_gdb_errno (parameters[1]);
|
||||
e = parameters[0];
|
||||
if (e >= 0 && command)
|
||||
{
|
||||
/* We have to convert e, an exit status to the encoded status of
|
||||
the command. To avoid hard coding the exit status, we simply
|
||||
loop until we find the right position. */
|
||||
int exit_code;
|
||||
|
||||
for (exit_code = e; e && WEXITSTATUS (e) != exit_code; e <<= 1)
|
||||
continue;
|
||||
}
|
||||
|
||||
return e;
|
||||
#else
|
||||
if (!command)
|
||||
return 0;
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,46 @@
|
|||
/*
|
||||
* io-time.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <sys/time.h>
|
||||
#include <errno.h>
|
||||
#define IO time
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* time -- get the current time
|
||||
* input parameters:
|
||||
* 0 : timeval ptr
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
time_t time (time_t *t)
|
||||
{
|
||||
#if HOSTED
|
||||
struct timeval tv;
|
||||
|
||||
if (gettimeofday (&tv, NULL))
|
||||
return -1;
|
||||
if (t)
|
||||
*t = tv.tv_sec;
|
||||
return tv.tv_sec;
|
||||
#else
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
/*
|
||||
* io-unlink.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#define IO unlink
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* unlink -- unlink (delete) a file
|
||||
* input parameters:
|
||||
* 0 : filename ptr
|
||||
* 1 : filename length
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
int unlink (const char *path)
|
||||
{
|
||||
#if HOSTED
|
||||
gdb_parambuf_t parameters;
|
||||
parameters[0] = (uint32_t) path;
|
||||
parameters[1] = (uint32_t) strlen (path) + 1;
|
||||
__io_hosted (HOSTED_UNLINK, parameters);
|
||||
errno = __hosted_from_gdb_errno (parameters[1]);
|
||||
return parameters[0];
|
||||
#else
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,48 @@
|
|||
/*
|
||||
* io-write.c --
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#define IO write
|
||||
#include "io.h"
|
||||
|
||||
/*
|
||||
* write -- write to a file descriptor
|
||||
* input parameters:
|
||||
* 0 : file descriptor
|
||||
* 1 : buf ptr
|
||||
* 2 : count
|
||||
* output parameters:
|
||||
* 0 : result
|
||||
* 1 : errno
|
||||
*/
|
||||
|
||||
ssize_t write (int fd, const void *buf, size_t count)
|
||||
{
|
||||
#if HOSTED
|
||||
gdb_parambuf_t parameters;
|
||||
parameters[0] = (uint32_t) fd;
|
||||
parameters[1] = (uint32_t) buf;
|
||||
parameters[2] = (uint32_t) count;
|
||||
__io_hosted (HOSTED_WRITE, parameters);
|
||||
errno = __hosted_from_gdb_errno (parameters[1]);
|
||||
return parameters[0];
|
||||
#else
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,154 @@
|
|||
/*
|
||||
* hosted & unhosted io support.
|
||||
*
|
||||
* Copyright (c) 2006 CodeSourcery Inc
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#if HOSTED
|
||||
#include <stdint.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
#define HOSTED_EXIT 0
|
||||
#define HOSTED_INIT_SIM 1
|
||||
#define HOSTED_OPEN 2
|
||||
#define HOSTED_CLOSE 3
|
||||
#define HOSTED_READ 4
|
||||
#define HOSTED_WRITE 5
|
||||
#define HOSTED_LSEEK 6
|
||||
#define HOSTED_RENAME 7
|
||||
#define HOSTED_UNLINK 8
|
||||
#define HOSTED_STAT 9
|
||||
#define HOSTED_FSTAT 10
|
||||
#define HOSTED_GETTIMEOFDAY 11
|
||||
#define HOSTED_ISATTY 12
|
||||
#define HOSTED_SYSTEM 13
|
||||
|
||||
/* This function is provided by the board's BSP, because the precise
|
||||
mechanism of informing gdb is board specific. */
|
||||
extern void __io_hosted (int func, void *args);
|
||||
|
||||
/* Protocol specific representation of datatypes, as specified in D.9.11
|
||||
* of the GDB manual. The values here are stored in big-endian order. */
|
||||
|
||||
typedef uint32_t gdb_mode_t;
|
||||
typedef uint32_t gdb_time_t;
|
||||
|
||||
struct gdb_stat {
|
||||
uint32_t st_dev; /* device */
|
||||
uint32_t st_ino; /* inode */
|
||||
gdb_mode_t st_mode; /* protection */
|
||||
uint32_t st_nlink; /* number of hard links */
|
||||
uint32_t st_uid; /* user ID of owner */
|
||||
uint32_t st_gid; /* group ID of owner */
|
||||
uint32_t st_rdev; /* device type (if inode device) */
|
||||
uint64_t st_size; /* total size, in bytes */
|
||||
uint64_t st_blksize; /* blocksize for filesystem I/O */
|
||||
uint64_t st_blocks; /* number of blocks allocated */
|
||||
gdb_time_t st_atime; /* time of last access */
|
||||
gdb_time_t st_mtime; /* time of last modification */
|
||||
gdb_time_t st_ctime; /* time of last change */
|
||||
};
|
||||
|
||||
struct gdb_timeval {
|
||||
gdb_time_t tv_sec; /* second */
|
||||
uint64_t tv_usec; /* microsecond */
|
||||
};
|
||||
|
||||
|
||||
/* Parameters are passed between the library and the debugging stub
|
||||
* in a fixed-size buffer.
|
||||
*/
|
||||
|
||||
typedef uint32_t gdb_parambuf_t[4];
|
||||
|
||||
/* open flags */
|
||||
|
||||
#define GDB_O_RDONLY 0x0
|
||||
#define GDB_O_WRONLY 0x1
|
||||
#define GDB_O_RDWR 0x2
|
||||
#define GDB_O_APPEND 0x8
|
||||
#define GDB_O_CREAT 0x200
|
||||
#define GDB_O_TRUNC 0x400
|
||||
#define GDB_O_EXCL 0x800
|
||||
|
||||
/* mode_t values */
|
||||
|
||||
#define GDB_S_IFREG 0100000
|
||||
#define GDB_S_IFDIR 040000
|
||||
#define GDB_S_IRUSR 0400
|
||||
#define GDB_S_IWUSR 0200
|
||||
#define GDB_S_IXUSR 0100
|
||||
#define GDB_S_IRGRP 040
|
||||
#define GDB_S_IWGRP 020
|
||||
#define GDB_S_IXGRP 010
|
||||
#define GDB_S_IROTH 04
|
||||
#define GDB_S_IWOTH 02
|
||||
#define GDB_S_IXOTH 01
|
||||
|
||||
/* errno values */
|
||||
|
||||
#define GDB_EPERM 1
|
||||
#define GDB_ENOENT 2
|
||||
#define GDB_EINTR 4
|
||||
#define GDB_EBADF 9
|
||||
#define GDB_EACCES 13
|
||||
#define GDB_EFAULT 14
|
||||
#define GDB_EBUSY 16
|
||||
#define GDB_EEXIST 17
|
||||
#define GDB_ENODEV 19
|
||||
#define GDB_ENOTDIR 20
|
||||
#define GDB_EISDIR 21
|
||||
#define GDB_EINVAL 22
|
||||
#define GDB_ENFILE 23
|
||||
#define GDB_EMFILE 24
|
||||
#define GDB_EFBIG 27
|
||||
#define GDB_ENOSPC 28
|
||||
#define GDB_ESPIPE 29
|
||||
#define GDB_EROFS 30
|
||||
#define GDB_ENAMETOOLONG 91
|
||||
#define GDB_EUNKNOWN 9999
|
||||
|
||||
/* lseek flags */
|
||||
|
||||
#define GDB_SEEK_SET 0
|
||||
#define GDB_SEEK_CUR 1
|
||||
#define GDB_SEEK_END 2
|
||||
|
||||
|
||||
/* conversion functions */
|
||||
|
||||
extern gdb_mode_t __hosted_to_gdb_mode_t (mode_t m);
|
||||
extern int32_t __hosted_to_gdb_open_flags (int f);
|
||||
extern int32_t __hosted_to_gdb_lseek_flags (int f);
|
||||
|
||||
extern void __hosted_from_gdb_stat (const struct gdb_stat *gs,
|
||||
struct stat *s);
|
||||
extern void __hosted_from_gdb_timeval (const struct gdb_timeval *gt,
|
||||
struct timeval *t);
|
||||
extern int __hosted_from_gdb_errno (int32_t err);
|
||||
|
||||
#else
|
||||
#ifdef IO
|
||||
#define IO_NAME_(IO) __hosted_##IO
|
||||
#define IO_NAME(IO) IO_NAME_(IO)
|
||||
#define IO_STRING_(IO) #IO
|
||||
#define IO_STRING(IO) IO_STRING_(IO)
|
||||
/* Emit an object that causes a gnu linker warning. */
|
||||
static const char IO_NAME (IO) []
|
||||
__attribute__ ((section (".gnu.warning"), used)) =
|
||||
"IO function '" IO_STRING (IO) "' used";
|
||||
#endif
|
||||
#endif
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
/*
|
||||
* kill.c
|
||||
*
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
/* Minimal implementation of kill for a target system without processes. */
|
||||
|
||||
extern void _exit (int);
|
||||
|
||||
int
|
||||
kill (int pid, int sig)
|
||||
{
|
||||
if (pid == 1)
|
||||
_exit (sig);
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,210 @@
|
|||
/* qemu-hosted.ld -- Linker script for QEMU generic-nommu board emulation.
|
||||
|
||||
Copyright (c) 2018 Mentor Graphics
|
||||
|
||||
The authors hereby grant permission to use, copy, modify, distribute,
|
||||
and license this software and its documentation for any purpose, provided
|
||||
that existing copyright notices are retained in all copies and that this
|
||||
notice is included verbatim in any distributions. No written agreement,
|
||||
license, or royalty fee is required for any of the authorized uses.
|
||||
Modifications to this software may be copyrighted by their authors
|
||||
and need not follow the licensing terms described here, provided that
|
||||
the new terms are clearly indicated on the first page of each file where
|
||||
they apply.
|
||||
|
||||
Parts of this file were derived from code written by Altera Corporation
|
||||
and distributed under the following license:
|
||||
|
||||
Copyright (c) 2008
|
||||
Altera Corporation, San Jose, California, USA.
|
||||
All rights reserved.
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a
|
||||
copy of this software and associated documentation files (the "Software"),
|
||||
to deal in the Software without restriction, including without limitation
|
||||
the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
and/or sell copies of the Software, and to permit persons to whom the
|
||||
Software is furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in
|
||||
all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
DEALINGS IN THE SOFTWARE.
|
||||
|
||||
This agreement shall be governed in all respects by the laws of the State
|
||||
of California and by the laws of the United States of America.
|
||||
|
||||
*/
|
||||
|
||||
ENTRY(__start)
|
||||
SEARCH_DIR(.)
|
||||
GROUP(-lgcc -lc -lnios2)
|
||||
|
||||
MEMORY
|
||||
{
|
||||
rom (rx) : ORIGIN = 0x0, LENGTH = 64M
|
||||
ram (rwx) : ORIGIN = 0x10000000, LENGTH = 128M
|
||||
tlbmiss (rwx) : ORIGIN = 0x7fff400, LENGTH = 1K
|
||||
descriptor (rwx) : ORIGIN = 0x8002000, LENGTH = 8K
|
||||
}
|
||||
|
||||
/* Force the linker to search for these symbols from
|
||||
the start of the link process. */
|
||||
EXTERN(__reset)
|
||||
EXTERN(__start)
|
||||
EXTERN(main __stack __heap_start __heap_end __heap_end)
|
||||
|
||||
/* Where to put the stack and heap. Allocate 1M heap space. */
|
||||
PROVIDE(__heap_start = _end);
|
||||
PROVIDE(__heap_end = _end + 100000);
|
||||
PROVIDE(__stack = 0x18000000);
|
||||
|
||||
/* Force exit to be picked up in a hosted environment. */
|
||||
EXTERN(exit atexit)
|
||||
|
||||
/* Ensure that newlib runs the finalizers. */
|
||||
__libc_fini = _fini;
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
.text :
|
||||
{
|
||||
_ftext = .;
|
||||
*(.text.entry)
|
||||
*(.text.start)
|
||||
*(.text .text.* .gnu.linkonce.t.*)
|
||||
|
||||
. = ALIGN(0x4);
|
||||
KEEP (*crtbegin.o(.jcr))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o) .jcr))
|
||||
KEEP (*crtend.o(.jcr))
|
||||
|
||||
. = ALIGN(0x4);
|
||||
*(.gcc_except_table .gcc_except_table.*)
|
||||
*(.gnu_extab .gnu_extab.*)
|
||||
} > ram
|
||||
.eh_frame_hdr : ALIGN (4)
|
||||
{
|
||||
KEEP (*(.eh_frame_hdr))
|
||||
*(.eh_frame_entry .eh_frame_entry.*)
|
||||
} > ram
|
||||
.eh_frame : ALIGN (4)
|
||||
{
|
||||
KEEP (*(.eh_frame)) *(.eh_frame.*)
|
||||
} > ram
|
||||
.note.gnu.build-id : ALIGN (4)
|
||||
{
|
||||
KEEP (*(.note.gnu.build-id))
|
||||
} > ram
|
||||
.rodata : ALIGN (4)
|
||||
{
|
||||
*(.rodata .rodata.* .gnu.linkonce.r.*)
|
||||
|
||||
. = ALIGN(4);
|
||||
KEEP(*(.init))
|
||||
|
||||
. = ALIGN(4);
|
||||
__preinit_array_start = .;
|
||||
KEEP (*(.preinit_array))
|
||||
__preinit_array_end = .;
|
||||
|
||||
. = ALIGN(4);
|
||||
__init_array_start = .;
|
||||
KEEP (*(SORT(.init_array.*)))
|
||||
KEEP (*(.init_array))
|
||||
__init_array_end = .;
|
||||
|
||||
. = ALIGN(4);
|
||||
KEEP(*(.fini))
|
||||
|
||||
. = ALIGN(4);
|
||||
__fini_array_start = .;
|
||||
KEEP (*(.fini_array))
|
||||
KEEP (*(SORT(.fini_array.*)))
|
||||
__fini_array_end = .;
|
||||
|
||||
. = ALIGN(0x4);
|
||||
KEEP (*crtbegin.o(.ctors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
|
||||
KEEP (*(SORT(.ctors.*)))
|
||||
KEEP (*crtend.o(.ctors))
|
||||
|
||||
. = ALIGN(0x4);
|
||||
KEEP (*crtbegin.o(.dtors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
|
||||
KEEP (*(SORT(.dtors.*)))
|
||||
KEEP (*crtend.o(.dtors))
|
||||
|
||||
*(.lit)
|
||||
|
||||
. = ALIGN (8);
|
||||
_etext = .;
|
||||
} > ram
|
||||
|
||||
.data : ALIGN (8)
|
||||
{
|
||||
*(.shdata)
|
||||
*(.data .data.* .gnu.linkonce.d.*)
|
||||
. = ALIGN(8);
|
||||
_gp = ABSOLUTE(. + 0x8000);
|
||||
*(.got.plt) *(.got)
|
||||
*(.lit8)
|
||||
*(.lit4)
|
||||
*(.sdata .sdata.* .gnu.linkonce.s.*)
|
||||
. = ALIGN (8);
|
||||
*(.ram)
|
||||
. = ALIGN (8);
|
||||
_edata = .;
|
||||
} > ram
|
||||
.bss : ALIGN (8)
|
||||
{
|
||||
__bss_start = ABSOLUTE(.);
|
||||
*(.sbss .sbss.* .gnu.linkonce.sb.*)
|
||||
*(.scommon)
|
||||
*(.bss .bss.* .gnu.linkonce.b.*)
|
||||
*(COMMON)
|
||||
. = ALIGN (8);
|
||||
__bss_end = ABSOLUTE(.);
|
||||
_end = .;
|
||||
__end = .;
|
||||
} > ram
|
||||
|
||||
.stab 0 (NOLOAD) : { *(.stab) }
|
||||
.stabstr 0 (NOLOAD) : { *(.stabstr) }
|
||||
/* DWARF debug sections.
|
||||
* Symbols in the DWARF debugging sections are relative to
|
||||
* the beginning of the section so we begin them at 0.
|
||||
*/
|
||||
/* DWARF 1 */
|
||||
.debug 0 : { *(.debug) }
|
||||
.line 0 : { *(.line) }
|
||||
/* GNU DWARF 1 extensions */
|
||||
.debug_srcinfo 0 : { *(.debug_srcinfo) }
|
||||
.debug_sfnames 0 : { *(.debug_sfnames) }
|
||||
/* DWARF 1.1 and DWARF 2 */
|
||||
.debug_aranges 0 : { *(.debug_aranges) }
|
||||
.debug_pubnames 0 : { *(.debug_pubnames) }
|
||||
/* DWARF 2 */
|
||||
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
|
||||
.debug_abbrev 0 : { *(.debug_abbrev) }
|
||||
.debug_line 0 : { *(.debug_line) }
|
||||
.debug_frame 0 : { *(.debug_frame) }
|
||||
.debug_str 0 : { *(.debug_str) }
|
||||
.debug_loc 0 : { *(.debug_loc) }
|
||||
.debug_macinfo 0 : { *(.debug_macinfo) }
|
||||
/* DWARF 2.1 */
|
||||
.debug_ranges 0 : { *(.debug_ranges) }
|
||||
/* SGI/MIPS DWARF 2 extensions */
|
||||
.debug_weaknames 0 : { *(.debug_weaknames) }
|
||||
.debug_funcnames 0 : { *(.debug_funcnames) }
|
||||
.debug_typenames 0 : { *(.debug_typenames) }
|
||||
.debug_varnames 0 : { *(.debug_varnames) }
|
||||
|
||||
.debug_alt_sim_info 0 : { *(.debug_alt_sim_info) }
|
||||
}
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
/*
|
||||
* sbrk.c
|
||||
*
|
||||
* Copyright (c) 2018 Mentor Graphics
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <errno.h>
|
||||
/*
|
||||
* sbrk -- changes heap size size. Get nbytes more
|
||||
* RAM. We just increment a pointer in what's
|
||||
* left of memory on the board.
|
||||
*/
|
||||
|
||||
/* Provided by the linker script. */
|
||||
extern char __heap_start[] __attribute__ ((aligned (8)));
|
||||
extern char __heap_end[] __attribute__ ((aligned (8)));
|
||||
|
||||
void *
|
||||
sbrk (int nbytes)
|
||||
{
|
||||
static char *heap = __heap_start;
|
||||
char *base = heap;
|
||||
char *new_heap = heap + nbytes;
|
||||
|
||||
if (nbytes < 0 || new_heap > __heap_end)
|
||||
{
|
||||
errno = ENOMEM;
|
||||
return (void *)-1;
|
||||
}
|
||||
heap = new_heap;
|
||||
return base;
|
||||
}
|
||||
Loading…
Reference in New Issue