* Copyright (c) 2011 Marek Vasut <marek.vasut@gmail.com>
* on behalf of DENX Software Engineering GmbH
*
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <asm-offsets.h>
.globl _start
_start:
b reset
- b undefined_instruction
- b software_interrupt
- b prefetch_abort
- b data_abort
- b not_used
- b irq
- b fiq
-
+ ldr pc, _undefined_instruction
+ ldr pc, _software_interrupt
+ ldr pc, _prefetch_abort
+ ldr pc, _data_abort
+ ldr pc, _not_used
+ ldr pc, _irq
+ ldr pc, _fiq
+
+#ifdef CONFIG_SPL_BUILD
+_undefined_instruction:
+ .word _undefined_instruction
+_software_interrupt:
+ .word _software_interrupt
+_prefetch_abort:
+ .word _prefetch_abort
+_data_abort:
+ .word _data_abort
+_not_used:
+ .word _not_used
+_irq:
+ .word _irq
+_fiq:
+ .word _fiq
+#else
/*
* Vector table, located at address 0x20.
* This table allows the code running AFTER SPL, the U-Boot, to install it's
* SPLs. So if interrupt happens in U-Boot, the SPLs interrupt vectoring table
* is still used.
*/
-_vt_reset:
- .word _reset
-_vt_undefined_instruction:
- .word _hang
-_vt_software_interrupt:
- .word _hang
-_vt_prefetch_abort:
- .word _hang
-_vt_data_abort:
- .word _hang
-_vt_not_used:
- .word _reset
-_vt_irq:
- .word _hang
-_vt_fiq:
- .word _hang
-
-reset:
- ldr pc, _vt_reset
-undefined_instruction:
- ldr pc, _vt_undefined_instruction
-software_interrupt:
- ldr pc, _vt_software_interrupt
-prefetch_abort:
- ldr pc, _vt_prefetch_abort
-data_abort:
- ldr pc, _vt_data_abort
-not_used:
- ldr pc, _vt_not_used
-irq:
- ldr pc, _vt_irq
-fiq:
- ldr pc, _vt_fiq
-
- .balignl 16,0xdeadbeef
+_undefined_instruction:
+ .word undefined_instruction
+_software_interrupt:
+ .word software_interrupt
+_prefetch_abort:
+ .word prefetch_abort
+_data_abort:
+ .word data_abort
+_not_used:
+ .word not_used
+_irq:
+ .word irq
+_fiq:
+ .word fiq
+#endif /* CONFIG_SPL_BUILD */
+ .balignl 16, 0xdeadbeef
/*
*************************************************************************
.globl _TEXT_BASE
_TEXT_BASE:
+#ifdef CONFIG_SPL_TEXT_BASE
+ .word CONFIG_SPL_TEXT_BASE
+#else
.word CONFIG_SYS_TEXT_BASE
+#endif
/*
* These are defined in the board-specific linker script.
.globl _bss_end_ofs
_bss_end_ofs:
- .word __bss_end__ - _start
+ .word __bss_end - _start
.globl _end_ofs
_end_ofs:
* the actual reset code
*/
-_reset:
+reset:
/*
* Store all registers on old stack pointer, this will allow us later to
* return to the BootROM and let the BootROM load U-Boot into RAM.
pop {r0-r12,r14}
bx lr
-_hang:
- ldr sp, _TEXT_BASE /* switch to abort stack */
-1:
- bl 1b /* hang and never return */