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sandbox: Add cpu files

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This is an initial implementation with all functions defined but not working.

The lds file is very simple since we can mostly rely on the linker defaults.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2011-09-26 14:10:39 +00:00 committed by Wolfgang Denk
parent a7551a3f79
commit 4b0730d242
4 changed files with 164 additions and 0 deletions
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20
arch/sandbox/config.mk Normal file
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# 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
PLATFORM_CPPFLAGS += -DCONFIG_SANDBOX -D__SANDBOX__

47
arch/sandbox/cpu/Makefile Normal file
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#
# Copyright (c) 2011 The Chromium OS Authors.
#
# (C) Copyright 2000-2003
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# 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 = $(obj)lib$(CPU).o
COBJS := cpu.o
SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
all: $(obj).depend $(LIB)
$(LIB): $(OBJS)
$(call cmd_link_o_target, $(OBJS))
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

63
arch/sandbox/cpu/cpu.c Normal file
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/*
* 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 <common.h>
DECLARE_GLOBAL_DATA_PTR;
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
/*
* This is considered normal termination for now. We wil call os_exit()
* when available.
*/
return 0;
}
/* delay x useconds */
void __udelay(unsigned long usec)
{
/* Ignore this for now */
}
unsigned long timer_get_us(void)
{
return 0;
}
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
{
return -1;
}
int cleanup_before_linux(void)
{
return 0;
}
void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
{
return (void *)(gd->ram_buf + paddr);
}
void flush_dcache_range(unsigned long start, unsigned long stop)
{
}

34
arch/sandbox/cpu/u-boot.lds Normal file
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/*
* Copyright (c) 2011 The Chromium OS Authors.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* 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
*/
SECTIONS
{
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
__u_boot_cmd_end = .;
__bss_start = .;
}
INSERT BEFORE .data;