upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/sparc/include/asm/asmmacro.h

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/* Assembler macros for SPARC
*
* (C) Copyright 2007, taken from linux asm-sparc/asmmacro.h
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __SPARC_ASMMACRO_H__
#define __SPARC_ASMMACRO_H__
#include <config.h>
/* All trap entry points _must_ begin with this macro or else you
* lose. It makes sure the kernel has a proper window so that
* c-code can be called.
*/
#define SAVE_ALL_HEAD \
sethi %hi(trap_setup+(CONFIG_SYS_RELOC_MONITOR_BASE-CONFIG_SYS_TEXT_BASE)), %l4; \
jmpl %l4 + %lo(trap_setup+(CONFIG_SYS_RELOC_MONITOR_BASE-CONFIG_SYS_TEXT_BASE)), %l6;
#define SAVE_ALL \
SAVE_ALL_HEAD \
nop;
/* All traps low-level code here must end with this macro. */
#define RESTORE_ALL b ret_trap_entry; clr %l6;
#endif