xref: /rk3399_ARM-atf/plat/arm/board/fvp/include/plat_macros.S (revision 82cb2c1ad9897473743f08437d0a3995bed561b9)
13fc4124cSDan Handley/*
26355f234SVikram Kanigiri * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
33fc4124cSDan Handley *
4*82cb2c1aSdp-arm * SPDX-License-Identifier: BSD-3-Clause
53fc4124cSDan Handley */
63fc4124cSDan Handley#ifndef __PLAT_MACROS_S__
73fc4124cSDan Handley#define __PLAT_MACROS_S__
83fc4124cSDan Handley
93fc4124cSDan Handley#include <arm_macros.S>
106355f234SVikram Kanigiri#include <cci_macros.S>
113fc4124cSDan Handley#include <v2m_def.h>
123fc4124cSDan Handley#include "../fvp_def.h"
133fc4124cSDan Handley
143fc4124cSDan Handley	/* ---------------------------------------------
153fc4124cSDan Handley	 * The below required platform porting macro
169ff67fa6SGerald Lejeune	 * prints out relevant GIC and CCI registers
179ff67fa6SGerald Lejeune	 * whenever an unhandled exception is taken in
189ff67fa6SGerald Lejeune	 * BL31.
193fc4124cSDan Handley	 * Clobbers: x0 - x10, x16, x17, sp
203fc4124cSDan Handley	 * ---------------------------------------------
213fc4124cSDan Handley	 */
229ff67fa6SGerald Lejeune	.macro plat_crash_print_regs
233fc4124cSDan Handley	/*
243fc4124cSDan Handley	 * Detect if we're using the base memory map or
253fc4124cSDan Handley	 * the legacy VE memory map
263fc4124cSDan Handley	 */
273fc4124cSDan Handley	mov_imm	x0, (V2M_SYSREGS_BASE + V2M_SYS_ID)
283fc4124cSDan Handley	ldr	w16, [x0]
293fc4124cSDan Handley	/* Extract BLD (12th - 15th bits) from the SYS_ID */
303fc4124cSDan Handley	ubfx	x16, x16, #V2M_SYS_ID_BLD_SHIFT, #4
313fc4124cSDan Handley	/* Check if VE mmap */
323fc4124cSDan Handley	cmp	w16, #BLD_GIC_VE_MMAP
333fc4124cSDan Handley	b.eq	use_ve_mmap
34f14d1886SSoby Mathew	/* Assume Base Cortex mmap */
353fc4124cSDan Handley	mov_imm	x17, BASE_GICC_BASE
363fc4124cSDan Handley	mov_imm	x16, BASE_GICD_BASE
37f14d1886SSoby Mathew	b	print_gic_regs
383fc4124cSDan Handleyuse_ve_mmap:
393fc4124cSDan Handley	mov_imm	x17, VE_GICC_BASE
403fc4124cSDan Handley	mov_imm	x16, VE_GICD_BASE
41f14d1886SSoby Mathewprint_gic_regs:
423fc4124cSDan Handley	arm_print_gic_regs
4371237876SSoby Mathew#if FVP_INTERCONNECT_DRIVER == FVP_CCI
449ff67fa6SGerald Lejeune	print_cci_regs
4571237876SSoby Mathew#endif
463fc4124cSDan Handley	.endm
473fc4124cSDan Handley
483fc4124cSDan Handley#endif /* __PLAT_MACROS_S__ */
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