xref: /rk3399_ARM-atf/plat/arm/board/fvp/include/plat_macros.S (revision 9ff67fa6f25c5a0285eec27f3e86362ae535aac3)
13fc4124cSDan Handley/*
26355f234SVikram Kanigiri * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
33fc4124cSDan Handley *
43fc4124cSDan Handley * Redistribution and use in source and binary forms, with or without
53fc4124cSDan Handley * modification, are permitted provided that the following conditions are met:
63fc4124cSDan Handley *
73fc4124cSDan Handley * Redistributions of source code must retain the above copyright notice, this
83fc4124cSDan Handley * list of conditions and the following disclaimer.
93fc4124cSDan Handley *
103fc4124cSDan Handley * Redistributions in binary form must reproduce the above copyright notice,
113fc4124cSDan Handley * this list of conditions and the following disclaimer in the documentation
123fc4124cSDan Handley * and/or other materials provided with the distribution.
133fc4124cSDan Handley *
143fc4124cSDan Handley * Neither the name of ARM nor the names of its contributors may be used
153fc4124cSDan Handley * to endorse or promote products derived from this software without specific
163fc4124cSDan Handley * prior written permission.
173fc4124cSDan Handley *
183fc4124cSDan Handley * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
193fc4124cSDan Handley * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
203fc4124cSDan Handley * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
213fc4124cSDan Handley * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
223fc4124cSDan Handley * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
233fc4124cSDan Handley * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
243fc4124cSDan Handley * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
253fc4124cSDan Handley * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
263fc4124cSDan Handley * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
273fc4124cSDan Handley * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
283fc4124cSDan Handley * POSSIBILITY OF SUCH DAMAGE.
293fc4124cSDan Handley */
303fc4124cSDan Handley#ifndef __PLAT_MACROS_S__
313fc4124cSDan Handley#define __PLAT_MACROS_S__
323fc4124cSDan Handley
333fc4124cSDan Handley#include <arm_macros.S>
346355f234SVikram Kanigiri#include <cci_macros.S>
353fc4124cSDan Handley#include <v2m_def.h>
363fc4124cSDan Handley#include "../fvp_def.h"
373fc4124cSDan Handley
383fc4124cSDan Handley	/* ---------------------------------------------
393fc4124cSDan Handley	 * The below required platform porting macro
40*9ff67fa6SGerald Lejeune	 * prints out relevant GIC and CCI registers
41*9ff67fa6SGerald Lejeune	 * whenever an unhandled exception is taken in
42*9ff67fa6SGerald Lejeune	 * BL31.
433fc4124cSDan Handley	 * Clobbers: x0 - x10, x16, x17, sp
443fc4124cSDan Handley	 * ---------------------------------------------
453fc4124cSDan Handley	 */
46*9ff67fa6SGerald Lejeune	.macro plat_crash_print_regs
473fc4124cSDan Handley	/*
483fc4124cSDan Handley	 * Detect if we're using the base memory map or
493fc4124cSDan Handley	 * the legacy VE memory map
503fc4124cSDan Handley	 */
513fc4124cSDan Handley	mov_imm	x0, (V2M_SYSREGS_BASE + V2M_SYS_ID)
523fc4124cSDan Handley	ldr	w16, [x0]
533fc4124cSDan Handley	/* Extract BLD (12th - 15th bits) from the SYS_ID */
543fc4124cSDan Handley	ubfx	x16, x16, #V2M_SYS_ID_BLD_SHIFT, #4
553fc4124cSDan Handley	/* Check if VE mmap */
563fc4124cSDan Handley	cmp	w16, #BLD_GIC_VE_MMAP
573fc4124cSDan Handley	b.eq	use_ve_mmap
58f14d1886SSoby Mathew	/* Assume Base Cortex mmap */
593fc4124cSDan Handley	mov_imm	x17, BASE_GICC_BASE
603fc4124cSDan Handley	mov_imm	x16, BASE_GICD_BASE
61f14d1886SSoby Mathew	b	print_gic_regs
623fc4124cSDan Handleyuse_ve_mmap:
633fc4124cSDan Handley	mov_imm	x17, VE_GICC_BASE
643fc4124cSDan Handley	mov_imm	x16, VE_GICD_BASE
65f14d1886SSoby Mathewprint_gic_regs:
663fc4124cSDan Handley	arm_print_gic_regs
67*9ff67fa6SGerald Lejeune	print_cci_regs
683fc4124cSDan Handley	.endm
693fc4124cSDan Handley
703fc4124cSDan Handley#endif /* __PLAT_MACROS_S__ */
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