Skip to content
Permalink
Browse files

added initial files.

  • Loading branch information...
Greg KH authored and gregkh committed Apr 27, 2005
0 parents commit f0083e3d4eb49e11fd7e37532dc64a6e6f5d4039
Showing with 331 additions and 0 deletions.
  1. +152 −0 Makefile
  2. +3 −0 klibc/Makefile
  3. +52 −0 logging.c
  4. +83 −0 udev.c
  5. +41 −0 udev.h
152 Makefile
@@ -0,0 +1,152 @@
# Makefile for diethotplug
#
# Copyright (C) 2000,2001 Greg Kroah-Hartman <greg@kroah.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#

# Set the following to `true' to make a debuggable build.
# Leave this set to `false' for production use.
DEBUG = false


ROOT = udev
#PREFIX = diet
VERSION = 0.01
INSTALL_DIR = /usr/local/bin
RELEASE_NAME = $(PREFIX)$(ROOT)-$(VERSION)


# Comment out this line to build with something other
# than the local version of klibc
#KLIBC = true

# If you are running a cross compiler, you may want to set this
# to something more interesting, like "arm-linux-". I you want
# to compile vs uClibc, that can be done here as well.
CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
CC = $(CROSS)gcc
AR = $(CROSS)ar
STRIP = $(CROSS)strip


# code taken from uClibc to determine the current arch
ARCH := ${shell $(CC) -dumpmachine | sed -e s'/-.*//' -e 's/i.86/i386/' -e 's/sparc.*/sparc/' \
-e 's/arm.*/arm/g' -e 's/m68k.*/m68k/' -e 's/ppc/powerpc/g'}

# code taken from uClibc to determine the gcc include dir
GCCINCDIR := ${shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp"}

# code taken from uClibc to determine the libgcc.a filename
GCC_LIB := $(shell $(CC) -print-libgcc-file-name )

# use '-Os' optimization if available, else use -O2
OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
then echo "-Os"; else echo "-O2" ; fi}

WARNINGS := -Wall -Wshadow -Wstrict-prototypes

# Some nice architecture specific optimizations
ifeq ($(strip $(TARGET_ARCH)),arm)
OPTIMIZATION+=-fstrict-aliasing
endif
ifeq ($(strip $(TARGET_ARCH)),i386)
OPTIMIZATION+=-march=i386
OPTIMIZATION += ${shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc \
/dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi}
OPTIMIZATION += ${shell if $(CC) -malign-functions=0 -malign-jumps=0 -S -o /dev/null -xc \
/dev/null >/dev/null 2>&1; then echo "-malign-functions=0 -malign-jumps=0"; fi}
CFLAGS+=-pipe
else
CFLAGS+=-pipe
endif

# if DEBUG is enabled, then we do not strip or optimize
ifeq ($(strip $(DEBUG)),true)
CFLAGS += $(WARNINGS) -O1 -g -DDEBUG -D_GNU_SOURCE
LDFLAGS += -Wl,-warn-common
STRIPCMD = /bin/true -Since_we_are_debugging
else
CFLAGS += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
LDFLAGS += -s -Wl,-warn-common
STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
endif

# If we are using our version of klibc, then we need to build and link it.
# Otherwise, use glibc and link statically.
ifeq ($(strip $(KLIBC)),true)
KLIBC_DIR = klibc
INCLUDE_DIR := $(KLIBC_DIR)/include
# arch specific objects
ARCH_LIB_OBJS = \
$(KLIBC_DIR)/bin-$(ARCH)/start.o \
$(KLIBC_DIR)/bin-$(ARCH)/klibc.a

LIB_OBJS = $(GCC_LIB)

LIBC = $(ARCH_LIB_OBJS) $(LIB_OBJS)
CFLAGS += -nostdinc -I$(INCLUDE_DIR) -I$(GCCINCDIR)
LDFLAGS = --static --nostdlib -nostartfiles
else
LIBC =
CFLAGS += -I$(GCCINCDIR)
LIB_OBJS = -lc
LDFLAGS = --static
endif

all: $(LIBC) $(ROOT)

$(ARCH_LIB_OBJS) :
$(MAKE) -C klibc

OBJS = udev.o \
logging.o


# header files automatically generated
GEN_HEADERS = udev_version.h

# Rules on how to create the generated header files
udev_version.h:
@echo \#define UDEV_VERSION \"$(VERSION)\" > $@


$(ROOT): $(GEN_HEADERS) $(OBJS)
$(CC) $(LDFLAGS) -o $(ROOT) $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(STRIPCMD) $(ROOT)

clean:
-find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
| xargs rm -f
-rm -f core $(ROOT) $(GEN_HEADERS)
$(MAKE) -C klibc clean

DISTFILES = $(shell find . \( -not -name '.' \) -print | grep -v CVS | grep -v "\.tar\.gz" | grep -v "\/\." | grep -v releases | grep -v BitKeeper | grep -v SCCS )
DISTDIR := $(RELEASE_NAME)
srcdir = .
release: $(DISTFILES) clean
# @echo $(DISTFILES)
@-rm -rf $(DISTDIR)
@mkdir $(DISTDIR)
@-chmod 777 $(DISTDIR)
@for file in $(DISTFILES); do \
if test -d $$file; then \
mkdir $(DISTDIR)/$$file; \
else \
cp -p $$file $(DISTDIR)/$$file; \
fi; \
done
@tar -c $(DISTDIR) | gzip -9 > $(RELEASE_NAME).tar.gz
@rm -rf $(DISTDIR)
@echo "Built $(RELEASE_NAME).tar.gz"
@@ -0,0 +1,3 @@

clean:
@echo "all clean"
@@ -0,0 +1,52 @@
/*
* logging.c
*
* Simple logging functions that can be compiled away into nothing.
*
* Copyright (C) 2001-2003 Greg Kroah-Hartman <greg@kroah.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/

#include <stdarg.h>
#include <syslog.h>
#include "udev.h"

#ifdef DEBUG

static int logging_init = 0;

static void init_logging (void)
{
openlog ("udev", 0, LOG_DAEMON);
logging_init = 1;
}

/**
* log_message - sends a message to the logging facility
*/
int log_message (int level, const char *format, ...)
{
va_list args;

if (!logging_init)
init_logging();
va_start (args, format);
vsyslog (level, format, args);
va_end (args);
return 1;
}

#endif
83 udev.c
@@ -0,0 +1,83 @@
/*
* udev.c
*
* Userspace devfs
*
* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
*
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/

#include <stdlib.h>
#include <string.h>
#include "udev.h"
#include "udev_version.h"


static char *get_action(void)
{
char *action;

action = getenv("ACTION");
return action;
}


/* yeah this should be dynamically allocated... */
static char device[255];

static char *get_device(void)
{
char *temp;

temp = getenv("DEVPATH");
if (temp == NULL)
return NULL;
strcpy(device, SYSFS_ROOT);
strcat(device, temp);

return device;
}


int main(int argc, char *argv[])
{
char *subsystem;
char *action;
char *dev;

if (argc != 2) {
dbg ("unknown number of arguments");
return 1;
}

subsystem = argv[1];

action = get_action();
if (!action) {
dbg ("no action?");
return 1;
}

dev = get_device();
if (!dev) {
dbg ("no device?");
return 1;
}

return 0;
}

41 udev.h
@@ -0,0 +1,41 @@
/*
* udev.h
*
* Userspace devfs
*
* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/

#ifndef UDEV_H
#define UDEV_H


#ifdef DEBUG
#include <syslog.h>
#define dbg(format, arg...) do { log_message (LOG_DEBUG, __FUNCTION__ ": " format, ## arg); } while (0)
#else
#define dbg(format, arg...) do { } while (0)
#endif


/* Lots of constants that should be in a config file sometime */
#define SYSFS_ROOT "/sys"
#define MKNOD "/bin/mknod"


#endif

0 comments on commit f0083e3

Please sign in to comment.
You can’t perform that action at this time.