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>master
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# Copyright (c) 2011 The Chromium OS Authors.
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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PLATFORM_CPPFLAGS += -DCONFIG_SANDBOX -D__SANDBOX__
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#
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# Copyright (c) 2011 The Chromium OS Authors.
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#
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# (C) Copyright 2000-2003
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk |
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LIB = $(obj)lib$(CPU).o
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COBJS := cpu.o
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SRCS := $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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all: $(obj).depend $(LIB) |
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$(LIB): $(OBJS) |
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$(call cmd_link_o_target, $(OBJS))
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk |
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sinclude $(obj).depend |
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#########################################################################
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/*
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* Copyright (c) 2011 The Chromium OS Authors. |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ |
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/*
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* This is considered normal termination for now. We wil call os_exit() |
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* when available. |
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*/ |
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return 0; |
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} |
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/* delay x useconds */ |
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void __udelay(unsigned long usec) |
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{ |
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/* Ignore this for now */ |
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} |
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unsigned long timer_get_us(void) |
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{ |
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return 0; |
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} |
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int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) |
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{ |
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return -1; |
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} |
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int cleanup_before_linux(void) |
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{ |
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return 0; |
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} |
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void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) |
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{ |
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return (void *)(gd->ram_buf + paddr); |
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} |
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void flush_dcache_range(unsigned long start, unsigned long stop) |
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{ |
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} |
@ -0,0 +1,34 @@ |
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/* |
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* Copyright (c) 2011 The Chromium OS Authors. |
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* Use of this source code is governed by a BSD-style license that can be |
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* found in the LICENSE file. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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SECTIONS |
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{ |
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__u_boot_cmd_start = .; |
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.u_boot_cmd : { *(.u_boot_cmd) } |
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__u_boot_cmd_end = .; |
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__bss_start = .; |
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} |
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INSERT BEFORE .data; |
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