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2009-04-22 Anthony Green <green@moxielogic.com> 

* configure.in: Add moxie support.
        * configure: Regenerate.
        * moxie/aclocal.m4, moxie/configure, moxie/configure.in,
        moxie/crt0.S, moxie/fstat.c, moxie/getpid.c, isatty.c,
        moxie/kill.c, moxie/Makefile.in, moxie/moxie-elf-common.ld,
        moxie/print.c, moxie/putnum.c, moxie/qemu.ld, moxie/qemu-time.c,
        moxie/qemu-write.c, moxie/sbrk.c, moxie/sim-close.S,
        moxie/sim-exit.S,
        moxie/sim-inbyte.c, moxie/sim.ld, moxie/sim-lseek.c,
        moxie/sim-lseek.S, moxie/sim-open.S, moxie/sim-read.S, moxie/sim-time.c,
        moxie/sim-unlink.S, moxie/sim-write.S, moxie/stat.c: New files.
This commit is contained in:
Jeff Johnston 2009-04-22 19:48:07 +00:00
parent 96baa3e74a
commit bc6b90cc10
31 changed files with 6435 additions and 2445 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
libgloss/ChangeLog
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@ -1,3 +1,17 @@
2009-04-22 Anthony Green <green@moxielogic.com>
* configure.in: Add moxie support.
* configure: Regenerate.
* moxie/aclocal.m4, moxie/configure, moxie/configure.in,
moxie/crt0.S, moxie/fstat.c, moxie/getpid.c, isatty.c,
moxie/kill.c, moxie/Makefile.in, moxie/moxie-elf-common.ld,
moxie/print.c, moxie/putnum.c, moxie/qemu.ld, moxie/qemu-time.c,
moxie/qemu-write.c, moxie/sbrk.c, moxie/sim-close.S,
moxie/sim-exit.S,
moxie/sim-inbyte.c, moxie/sim.ld, moxie/sim-lseek.c,
moxie/sim-lseek.S, moxie/sim-open.S, moxie/sim-read.S, moxie/sim-time.c,
moxie/sim-unlink.S, moxie/sim-write.S, moxie/stat.c: New files.
2009-04-22 DJ Delorie <dj@redhat.com> 2009-04-22 DJ Delorie <dj@redhat.com>
* mep/sim-crt0.S (_start): Fix typo. * mep/sim-crt0.S (_start): Fix typo.

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libgloss/configure vendored
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4
libgloss/configure.in
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@ -112,6 +112,10 @@ case "${target}" in
AC_CONFIG_SUBDIRS(mep) AC_CONFIG_SUBDIRS(mep)
config_testsuite = true; config_testsuite = true;
;; ;;
moxie-*-*)
AC_CONFIG_SUBDIRS(moxie)
config_testsuite=true
;;
mt-*-*) mt-*-*)
AC_CONFIG_SUBDIRS(mt) AC_CONFIG_SUBDIRS(mt)
config_testsuite=true config_testsuite=true

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libgloss/moxie/Makefile.in Normal file
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@ -0,0 +1,147 @@
# Copyright (c) 2008 Anthony Green
#
# 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.
# Makefile for libgloss/spro. This is the board support code for the
# moxie target.
DESTDIR =
VPATH = @srcdir@ @srcdir@/..
srcdir = @srcdir@
objdir = .
srcroot = $(srcdir)/../..
objroot = $(objdir)/../..
prefix = @prefix@
exec_prefix = @exec_prefix@
host_alias = @host_alias@
target_alias = @target_alias@
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@
AR = @AR@
LD = @LD@
RANLIB = @RANLIB@
AR_FLAGS = rc
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`
LD_SCRIPTS = moxie-elf-common.ld qemu.ld sim.ld
CRT0 = crt0.o
SIM_BSP = libsim.a
SIM_OBJS = fstat.o \
getpid.o \
isatty.o \
kill.o \
putnum.o \
sbrk.o \
sim-close.o \
sim-exit.o \
sim-inbyte.o \
sim-lseek.o \
sim-open.o \
sim-read.o \
sim-time.o \
sim-unlink.o \
sim-write.o \
stat.o
QEMU_BSP = libqemu.a
QEMU_OBJS = qemu-write.o \
qemu-time.o \
sim-exit.o \
sbrk.o \
sim-close.o \
fstat.o \
isatty.o \
sim-lseek.o \
sim-read.o
#### Host specific Makefile fragment comes in here.
@host_makefile_frag@
all: $(CRT0) $(SIM_BSP) $(QEMU_BSP)
$(SIM_BSP): $(SIM_OBJS)
$(AR) $(ARFLAGS) $@ $?
$(RANLIB) $@
$(QEMU_BSP): $(QEMU_OBJS)
$(AR) $(ARFLAGS) $@ $?
$(RANLIB) $@
fstat.o: $(srcdir)/fstat.c
getpid.o: $(srcdir)/getpid.c
isatty.o: $(srcdir)/isatty.c
kill.o: $(srcdir)/kill.c
putnum.o: $(srcdir)/putnum.c
sbrk.o: $(srcdir)/sbrk.c
sim-close.o: $(srcdir)/sim-close.S
sim-exit.o: $(srcdir)/sim-exit.S
sim-inbyte.o: $(srcdir)/sim-inbyte.c
sim-lseek.o: $(srcdir)/sim-lseek.c
sim-open.o: $(srcdir)/sim-open.S
sim-read.o: $(srcdir)/sim-read.S
sim-time.o: $(srcdir)/sim-time.c
sim-unlink.o: $(srcdir)/sim-unlink.S
sim-write.o: $(srcdir)/sim-write.S
stat.o: $(srcdir)/stat.c
qemu-write.o: $(srcdir)/qemu-write.c
install: $($(CPU)_INSTALL)
$(INSTALL_DATA) $(CRT0) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(CRT0)
$(INSTALL_DATA) $(SIM_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(SIM_BSP)
$(INSTALL_DATA) $(QEMU_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(QEMU_BSP)
for x in ${LD_SCRIPTS}; do \
${INSTALL_DATA} ${srcdir}/$$x $(DESTDIR)${tooldir}/lib/$$x; \
done;
clean mostlyclean:
rm -f *.o *.a
distclean maintainer-clean realclean: clean
rm -f Makefile config.cache config.log config.status
.PHONY: info dvi doc install-info clean-info
info doc dvi:
install-info:
clean-info:
Makefile: Makefile.in config.status @host_makefile_frag_path@
$(SHELL) config.status
config.status: configure
$(SHELL) config.status --recheck

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dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
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if test "${enable_shared}" = "yes" ; then
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fi
if test "$srcdir" = "." ; then
if test "${with_target_subdir}" != "." ; then
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else
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ac_configure_args="${ac_configure_args} --enable-multilib"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
libgloss_topdir=${libgloss_topdir}
)
AC_OUTPUT

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/* crt0.S -- startup file for moxie
*
* Copyright (c) 2008 Anthony Green
*
* 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.
*/
.globl __start
.weak _start
.text
.type __start,@function
__start:
_start:
ldi.l $sp, _stack /* load up stack pointer */
ldi.l $fp, 0x0 /* zero fp to allow unwinders to stop */
/* zero the bss area */
/* TODO */
/* call memset */
/* Call _init to invoke static constructors, etc. */
jsra _init
/* Set argc and argv. These are populated by the simulator. */
lda.l $r0, 0x4
ldi.l $r1, 0x8
jsra main
jsra exit
.Lend:
.size __start,(.Lend-__start)

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/* fstat.c -- get status of a file.
*
* Copyright (c) 2008 Anthony Green
*
* 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/stat.h>
#include "glue.h"
/*
* fstat -- Since we have no file system, we just return an error.
*/
int
_DEFUN (_fstat, (fd, buf),
int fd _AND
struct stat *buf)
{
buf->st_mode = S_IFCHR; /* Always pretend to be a tty */
buf->st_blksize = 0;
return (0);
}

25
libgloss/moxie/getpid.c Normal file
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/* getpid.c -- get the current process id.
*
* Copyright (c) 2008 Anthony Green
*
* 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 "glue.h"
/*
* getpid -- only one process, so just return 1.
*/
int
_DEFUN (_getpid, (),
)
{
return __MYPID;
}

27
libgloss/moxie/isatty.c Normal file
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/* isatty.c -- chek the terminal device.
*
* Copyright (c) 2008 Anthony Green
*
* 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 "glue.h"
/*
* isatty -- returns 1 if connected to a terminal device,
* returns 0 if not. Since we're hooked up to a
* serial port, we'll say yes _AND return a 1.
*/
int
_DEFUN (_isatty, (fd),
int fd)
{
return (1);
}

30
libgloss/moxie/kill.c Normal file
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/* kill.c -- remove a process.
*
* Copyright (c) 2008 Anthony Green
*
* 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 "glue.h"
extern void _exit (int) __attribute__((__noreturn__));
/*
* kill -- go out via exit...
*/
int
_DEFUN (_kill, (pid, sig),
int pid _AND
int sig)
{
if(pid == __MYPID)
_exit(sig);
return 0;
}

234
libgloss/moxie/moxie-elf-common.ld Normal file
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/*
* The common part of the default linker scripts for standalone
* executables running on a Moxie processor.
*
* Copyright (C) 2008 Anthony Green
*
* 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.
*/
OUTPUT_FORMAT("elf32-moxie")
OUTPUT_ARCH(moxie)
ENTRY(_start)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = 0x00001000;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.gnu.version : { *(.gnu.version) }
.gnu.version_d : { *(.gnu.version_d) }
.gnu.version_r : { *(.gnu.version_r) }
.rel.init : { *(.rel.init) }
.rela.init : { *(.rela.init) }
.rel.text :
{
*(.rel.text)
*(.rel.text.*)
*(.rel.gnu.linkonce.t*)
}
.rela.text :
{
*(.rela.text)
*(.rela.text.*)
*(.rela.gnu.linkonce.t*)
}
.rel.fini : { *(.rel.fini) }
.rela.fini : { *(.rela.fini) }
.rel.rodata :
{
*(.rel.rodata)
*(.rel.rodata.*)
*(.rel.gnu.linkonce.r*)
}
.rela.rodata :
{
*(.rela.rodata)
*(.rela.rodata.*)
*(.rela.gnu.linkonce.r*)
}
.rel.data :
{
*(.rel.data)
*(.rel.data.*)
*(.rel.gnu.linkonce.d*)
}
.rela.data :
{
*(.rela.data)
*(.rela.data.*)
*(.rela.gnu.linkonce.d*)
}
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.sdata :
{
*(.rel.sdata)
*(.rel.sdata.*)
*(.rel.gnu.linkonce.s*)
}
.rela.sdata :
{
*(.rela.sdata)
*(.rela.sdata.*)
*(.rela.gnu.linkonce.s*)
}
.rel.sbss : { *(.rel.sbss) }
.rela.sbss : { *(.rela.sbss) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.plt : { *(.plt) }
.text :
{
*(.text)
*(.text.*)
*(.stub)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.gnu.linkonce.t*)
*(.glue_7t) *(.glue_7)
} =0
.init :
{
KEEP (*(.init))
} =0
_etext = .;
PROVIDE (etext = .);
.fini :
{
KEEP (*(.fini))
} =0
.rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r*) }
.rodata1 : { *(.rodata1) }
.eh_frame_hdr : { *(.eh_frame_hdr) }
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
. = ALIGN(256) + (. & (256 - 1));
.data :
{
*(.data)
*(.data.*)
*(.gnu.linkonce.d*)
SORT(CONSTRUCTORS)
}
.data1 : { *(.data1) }
.eh_frame : { KEEP (*(.eh_frame)) }
.gcc_except_table : { *(.gcc_except_table) }
.ctors :
{
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
/* We don't want to include the .ctor section from
from the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
}
.dtors :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
}
.jcr : { KEEP (*(.jcr)) }
.got : { *(.got.plt) *(.got) }
.dynamic : { *(.dynamic) }
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
.sdata :
{
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
}
_edata = .;
PROVIDE (edata = .);
__bss_start = .;
__bss_start__ = .;
.sbss :
{
*(.dynsbss)
*(.sbss)
*(.sbss.*)
*(.scommon)
}
.bss :
{
*(.dynbss)
*(.bss)
*(.bss.*)
*(COMMON)
/* Align here to ensure that the .bss section occupies space up to
_end. Align after .bss to ensure correct alignment even if the
.bss section disappears because there are no input sections. */
. = ALIGN(32 / 8);
}
. = ALIGN(32 / 8);
_end = .;
_bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
PROVIDE (end = .);
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* 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) }
.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) }
.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) }
.stack 0x80000 : { _stack = .; *(.stack) }
/* These must appear regardless of . */
}

27
libgloss/moxie/print.c Normal file
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/* print.c -- print a string on the output device.
*
* Copyright (c) 2008 Anthony Green
*
* 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 "glue.h"
/*
* print -- do a raw print of a string
*/
void
_DEFUN (_print, (ptr),
char *ptr)
{
while (*ptr) {
outbyte (*ptr++);
}
}

41
libgloss/moxie/putnum.c Normal file
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/* putnum.c -- put a hex number on the output device.
*
* Copyright (c) 2008 Anthony Green
*
* 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 "glue.h"
/*
* putnum -- print a 32 bit number in hex
*/
void
_DEFUN (_putnum, (num),
unsigned int num)
{
char buf[9];
int cnt;
char *ptr;
int digit;
ptr = buf;
for (cnt = 7 ; cnt >= 0 ; cnt--) {
digit = (num >> (cnt * 4)) & 0xf;
if (digit <= 9)
*ptr++ = (char) ('0' + digit);
else
*ptr++ = (char) ('a' - 10 + digit);
}
*ptr = (char) 0;
print (buf);
}

116
libgloss/moxie/qemu-time.c Normal file
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/* qemu-time.c -- stubs so clock can be linked in.
*
* Copyright (c) 2008 Anthony Green
*
* 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>
#include <time.h>
#include <sys/time.h>
#include <sys/times.h>
#include "glue.h"
/* This is the base address of the mc146818 RTC i/o port. */
#define RTC_PORT 0x400
#define RTC_SECONDS 0x00
#define RTC_SECONDS_ALARM 0x01
#define RTC_MINUTES 0x02
#define RTC_MINUTES_ALARM 0x03
#define RTC_HOURS 0x04
#define RTC_HOURS_ALARM 0x05
#define RTC_DAY_OF_WEEK 0x06
#define RTC_DATE_OF_MONTH 0x07
#define RTC_MONTH 0x08
#define RTC_YEAR 0x09
#define RTC_CONFIG_A 0x0A
#define RTC_CONFIG_B 0x0B
#define RTC_CONFIG_C 0x0C
#define RTC_CONFIG_D 0x0D
/*
* _times -- FIXME
*/
int
_DEFUN (_times, _times (buf),
struct tms *buf)
{
errno = EINVAL;
return (-1);
}
/* Read a value from the RTC port. */
static unsigned char
rtc_read (unsigned char reg)
{
*(volatile unsigned char *)(RTC_PORT) = reg;
return *(volatile unsigned char *)(RTC_PORT + 1);
}
/* Write a value to the RTC port. */
static void
rtc_write (unsigned char reg, unsigned char val)
{
*(volatile unsigned char *)(RTC_PORT) = reg;
*(volatile unsigned char *)(RTC_PORT + 1) = val;
}
/* Convert BCD to Decimal. */
#define BCD2DEC(BYTE) ((((BYTE >> 4) & 0xF) * 10) + (BYTE & 0xF))
/*
* time -- return current time in seconds.
*/
time_t
_DEFUN (time, time (t),
time_t *t)
{
struct tm tm;
time_t ret;
tm.tm_sec = BCD2DEC(rtc_read(RTC_SECONDS));
tm.tm_min = BCD2DEC(rtc_read(RTC_MINUTES));
tm.tm_hour = BCD2DEC(rtc_read(RTC_HOURS));
tm.tm_wday = BCD2DEC(rtc_read(RTC_DAY_OF_WEEK)) - 1;
tm.tm_mday = BCD2DEC(rtc_read(RTC_DATE_OF_MONTH));
tm.tm_mon = BCD2DEC(rtc_read(RTC_MONTH)) - 1;
tm.tm_year = BCD2DEC(rtc_read(RTC_YEAR)) + 100;
/* FIXME. Not really sure how to handle this. */
tm.tm_isdst = 1;
ret = mktime(&tm);
if (t)
*t = ret;
return ret;
}
/*
* _gettimeofday -- implement in terms of time, which means we can't
* return the microseconds.
*/
int
_DEFUN (_gettimeofday, _gettimeofday (tv, tz),
struct timeval *tv _AND
void *tzvp)
{
struct timezone *tz = tzvp;
struct tm tm;
if (tz)
tz->tz_minuteswest = tz->tz_dsttime = 0;
tv->tv_usec = 0;
tv->tv_sec = time(0);
return 0;
}

23
libgloss/moxie/qemu-write.c Normal file
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/*
* qemu-write.c -- write interface for default qemu simulator
*
* Copyright (c) 2008 Anthony Green
*
* 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.
*/
int _write (int fd, char *buf, int len)
{
int i = 0;
while (i < len)
*(char *)0x3f8 = buf[i++];
return len;
}

2
libgloss/moxie/qemu.ld Normal file
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GROUP(-lc -lgcc -lqemu)
INCLUDE moxie-elf-common.ld

54
libgloss/moxie/sbrk.c Normal file
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/* sbrk.c -- allocate memory dynamically.
*
* Copyright (c) 2008 Anthony Green
*
* 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>
#include "glue.h"
/* just in case, most boards have at least some memory */
#ifndef RAMSIZE
# define RAMSIZE (caddr_t)0x100000
#endif
char *__heap_ptr = (char *)&_end;
/*
* sbrk -- changes heap size size. Get nbytes more
* RAM. We just increment a pointer in what's
* left of memory on the board.
*/
char *
_sbrk (nbytes)
int nbytes;
{
char *base;
char *sp;
base = __heap_ptr;
__heap_ptr += nbytes;
return base;
/* FIXME: We really want to make sure we don't run out of RAM, but this
* isn't very portable.
*/
#if 0
if ((RAMSIZE - heap_ptr - nbytes) >= 0) {
base = heap_ptr;
heap_ptr += nbytes;
return (base);
} else {
errno = ENOMEM;
return ((char *)-1);
}
#endif
}

37
libgloss/moxie/sim-close.S Normal file
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/*
* sim-close.S -- close interface for moxie simulator
*
* Copyright (c) 2008 Anthony Green
*
* 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 "syscall.h"
/*
* Input:
* $r0 -- File descriptor to close.
*
* Output:
* $r0 -- 0 or -1.
* errno -- Set if an error
*/
.globl _close
.type _close,@function
.weak close
.text
_close:
close:
swi SYS_close
ret
.Lend:
.size _close,.Lend-_close

33
libgloss/moxie/sim-exit.S Normal file
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/*
* sim-exit.S -- _exit interface for moxie simulator
*
* Copyright (c) 2008 Anthony Green
*
* 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 "syscall.h"
/*
* Input:
* $r0 -- exit value
*
* Output:
* none
*/
.globl _exit
.type _exit,@function
.text
_exit:
swi SYS_exit
.Lend:
.size _exit,.Lend-_exit

26
libgloss/moxie/sim-inbyte.c Normal file
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/*
* sim-inbyte.c -- read a character from standard input.
*
* Copyright (c) 2008 Anthony Green
*
* 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.
*/
int
inbyte ()
{
char c;
if (read (0, &c, 1) <= 0)
return -1;
return c;
}

32
libgloss/moxie/sim-lseek.S Normal file
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/*
* sim-lseek.S -- write interface for moxie simulator
*
* Copyright (c) 2008 Anthony Green
*
* 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 <errno.h>
/*
* lseek -- Since a simulated serial port is non-seekable, we return
* an error.
*/
off_t
_DEFUN (_lseek, (fd, offset, whence),
int fd _AND
off_t offset _AND
int whence)
{
errno = ESPIPE;
return ((off_t)-1);
}

32
libgloss/moxie/sim-lseek.c Normal file
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/*
* sim-lseek.S -- write interface for moxie simulator
*
* Copyright (c) 2008 Anthony Green
*
* 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 <errno.h>
/*
* lseek -- Since a simulated serial port is non-seekable, we return
* an error.
*/
off_t
_DEFUN (_lseek, (fd, offset, whence),
int fd _AND
off_t offset _AND
int whence)
{
/* errno = ESPIPE; */
return ((off_t)-1);
}

39
libgloss/moxie/sim-open.S Normal file
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/*
* sim-open.S -- open interface for frv simulator
*
* Copyright (c) 2008 Anthony Green
*
* 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 "syscall.h"
/*
* Input:
* $r0 -- File name to open.
* $r1 -- open mode.
* -0x12($fp) -- optionally, the permission bits to set the file to.
*
* Output:
* $r0 -- file descriptor or -1.
* errno -- Set if an error
*/
.globl _open
.type _open,@function
.weak open
.text
_open:
open:
swi SYS_open
ret
.Lend:
.size _open,.Lend-_open

39
libgloss/moxie/sim-read.S Normal file
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/*
* sim-read.S -- read interface for moxie simulator
*
* Copyright (c) 2008 Anthony Green
*
* 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 "syscall.h"
/*
* Input:
* $r0 -- File descriptor.
* $r1 -- Buffer to be read into.
* -0x12($fp) -- Length of the buffer.
*
* Output:
* $r0 -- Length read or -1.
* errno -- Set if an error
*/
.globl _read
.type _read,@function
.weak read
.text
_read:
read:
swi SYS_read
ret
.Lend:
.size _read,.Lend-_read

78
libgloss/moxie/sim-time.c Normal file
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/* sim-time.c -- stubs so clock can be linked in.
*
* Copyright (c) 2008 Anthony Green
*
* 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>
#include <sys/time.h>
#include <sys/times.h>
#include "glue.h"
/*
* time -- simulator interface to return current time in seconds.
*/
__asm__ ("\
.text\n\
.globl _sim_time\n\
.type _sim_time,@function\n\
_sim_time:\n\
bad\n \
ret\n\
.Lsim:\n\
.size _sim_time,.Lsim-_sim_time");
extern time_t _sim_time (void) __asm__("_sim_time");
/*
* time -- return current time in seconds.
*/
time_t
_DEFUN (time, time (t),
time_t *t)
{
time_t ret = _sim_time ();
if (t)
*t = ret;
return ret;
}
/*
* _times -- no clock, so return an error.
*/
int
_DEFUN (_times, _times (buf),
struct tms *buf)
{
errno = EINVAL;
return (-1);
}
/*
* _gettimeofday -- implement in terms of time, which means we can't return the
* microseconds.
*/
int
_DEFUN (_gettimeofday, _gettimeofday (tv, tz),
struct timeval *tv _AND
void *tzvp)
{
struct timezone *tz = tzvp;
if (tz)
tz->tz_minuteswest = tz->tz_dsttime = 0;
tv->tv_usec = 0;
tv->tv_sec = _sim_time ();
return 0;
}

28
libgloss/moxie/sim-unlink.S Normal file
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/*
* sim-unlink.S -- write interface for moxie simulator
*
* Copyright (c) 2008 Anthony Green
*
* 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 "syscall.h"
.globl _unlink
.type _unlink,@function
.weak unlink
.text
_unlink:
unlink:
bad
ret
.Lend:
.size _unlink,.Lend-_unlink

39
libgloss/moxie/sim-write.S Normal file
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/*
* sim-write.S -- write interface for moxie simulator
*
* Copyright (c) 2008 Anthony Green
*
* 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 "syscall.h"
/*
* Input:
* $r0 -- File descriptor.
* $r1 -- String to be printed.
* -0x12($fp) -- Length of the string.
*
* Output:
* $r0 -- Length written or -1.
* errno -- Set if an error
*/
.globl _write
.type _write,@function
.weak write
.text
_write:
write:
swi SYS_write
ret
.Lend:
.size _write,.Lend-_write

2
libgloss/moxie/sim.ld Normal file
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GROUP(-lc -lgcc -lsim)
INCLUDE moxie-elf-common.ld

30
libgloss/moxie/stat.c Normal file
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/* stat.c -- Get the status of a file.
*
* Copyright (c) 2008 Anthony Green
*
* 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/stat.h>
#include <errno.h>
#include "glue.h"
/*
* stat -- Since we have no file system, we just return an error.
*/
int
_DEFUN (_stat, (path, buf),
const char *path _AND
struct stat *buf)
{
errno = EIO;
return (-1);
}