barebox/arch/arm/cpu/common.c
Masahiro Yamada d8753571b2 sizes.h: move include/sizes.h to include/linux/sizes.h
This file originates in Linux.  Linux has it under include/linux/
directory since commit dccd2304cc90.
Let's move it to the same place as well in barebox.

This commit was generated by the following commands:

  find -name '*.[chS]' | xargs sed -i -e 's:<sizes.h>:<linux/sizes.h>:'
  git mv include/sizes.h include/linux/

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2015-01-08 14:00:26 +01:00

81 lines
2 KiB
C

/*
* Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* 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 version 2
* as published by the Free Software Foundation.
*
* 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.
*
*/
#include <common.h>
#include <init.h>
#include <linux/sizes.h>
#include <asm/system_info.h>
#include <asm/barebox-arm.h>
#include <asm/barebox-arm-head.h>
#include <asm-generic/memory_layout.h>
#include <asm/sections.h>
#include <asm/pgtable.h>
#include <asm/cache.h>
/*
* relocate binary to the currently running address
*/
void relocate_to_current_adr(void)
{
uint32_t offset;
uint32_t *dstart, *dend, *dynsym, *dynend;
/* Get offset between linked address and runtime address */
offset = get_runtime_offset();
dstart = (void *)(ld_var(__rel_dyn_start) - offset);
dend = (void *)(ld_var(__rel_dyn_end) - offset);
dynsym = (void *)(ld_var(__dynsym_start) - offset);
dynend = (void *)(ld_var(__dynsym_end) - offset);
while (dstart < dend) {
uint32_t *fixup = (uint32_t *)(*dstart - offset);
uint32_t type = *(dstart + 1);
if ((type & 0xff) == 0x17) {
*fixup = *fixup - offset;
} else {
int index = type >> 8;
uint32_t r = dynsym[index * 4 + 1];
*fixup = *fixup + r - offset;
}
*dstart -= offset;
dstart += 2;
}
memset(dynsym, 0, (unsigned long)dynend - (unsigned long)dynsym);
arm_early_mmu_cache_flush();
flush_icache();
}
#ifdef ARM_MULTIARCH
int __cpu_architecture;
int __pure cpu_architecture(void)
{
if(__cpu_architecture == CPU_ARCH_UNKNOWN)
__cpu_architecture = arm_early_get_cpu_architecture();
return __cpu_architecture;
}
#endif