We want to keep all OS-dependent code in once place, with a simple interface to U-Boot. For now, this is that place.
Signed-off-by: Simon Glass sjg@chromium.org --- arch/sandbox/config.mk | 2 +- board/sandbox/common/Makefile | 47 +++++++++++++++++++++++++++++++++++++++ board/sandbox/common/os.c | 49 +++++++++++++++++++++++++++++++++++++++++ include/os.h | 27 ++++++++++++++++++++++ 4 files changed, 124 insertions(+), 1 deletions(-) create mode 100644 board/sandbox/common/Makefile create mode 100644 board/sandbox/common/os.c create mode 100644 include/os.h
diff --git a/arch/sandbox/config.mk b/arch/sandbox/config.mk index d9956ff..f0f1472 100644 --- a/arch/sandbox/config.mk +++ b/arch/sandbox/config.mk @@ -17,5 +17,5 @@ # Foundation, Inc., 59 Temple Place, Suite 330, Boston, # MA 02111-1307 USA
-PLATFORM_CPPFLAGS += -DCONFIG_SANDBOX -D__SANDBOX__ +PLATFORM_CPPFLAGS += -DCONFIG_SANDBOX -D__SANDBOX__ -I/usr/include LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds diff --git a/board/sandbox/common/Makefile b/board/sandbox/common/Makefile new file mode 100644 index 0000000..3289368 --- /dev/null +++ b/board/sandbox/common/Makefile @@ -0,0 +1,47 @@ +# Copyright (c) 2011 The Chromium OS Authors. +# See file CREDITS for list of people who contributed to this +# project. +# +# 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; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU 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 + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(VENDOR).o + +COBJS-y += os.o + +COBJS := $(COBJS-y) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +all: $(LIB) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### +# This is for $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/sandbox/common/os.c b/board/sandbox/common/os.c new file mode 100644 index 0000000..8df7b7e --- /dev/null +++ b/board/sandbox/common/os.c @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * See file CREDITS for list of people who contributed to this + * project. + * + * 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; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU 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 + */ + +#include <fcntl.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include <os.h> + +/* Operating System Interface */ + +ssize_t os_read(int fd, void *buf, size_t count) +{ + return read(fd, buf, count); +} + +ssize_t os_write(int fd, const void *buf, size_t count) +{ + return write(fd, buf, count); +} + +int os_open(const char *pathname, int flags) +{ + return open(pathname, flags); +} + +int os_close(int fd) +{ + return close(fd); +} diff --git a/include/os.h b/include/os.h new file mode 100644 index 0000000..3010920 --- /dev/null +++ b/include/os.h @@ -0,0 +1,27 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * See file CREDITS for list of people who contributed to this + * project. + * + * 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; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU 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 + */ + +/* Operating System Interface */ + +ssize_t os_read(int fd, void *buf, size_t count); +ssize_t os_write(int fd, const void *buf, size_t count); +int os_open(const char *pathname, int flags); +int os_close(int fd);