1/*
2 * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#include <drivers/arm/cci.h>
8#include <platform_def.h>
9
10.section .rodata.gic_reg_name, "aS"
11gicc_regs:
12	.asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
13gicd_pend_reg:
14	.asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n"	\
15		" Offset:\t\t\tvalue\n"
16newline:
17	.asciz "\n"
18spacer:
19	.asciz ":\t\t0x"
20
21	/* ---------------------------------------------
22	 * The below macro prints out relevant GIC
23	 * registers whenever an unhandled exception is
24	 * taken in BL3-1.
25	 * Clobbers: x0 - x10, x16, x17, sp
26	 * ---------------------------------------------
27	 */
28	.macro plat_crash_print_regs
29	mov_imm x16, BASE_GICD_BASE
30	mov_imm x17, BASE_GICC_BASE
31	/* Load the gicc reg list to x6 */
32	adr	x6, gicc_regs
33	/* Load the gicc regs to gp regs used by str_in_crash_buf_print */
34	ldr	w8, [x17, #GICC_HPPIR]
35	ldr	w9, [x17, #GICC_AHPPIR]
36	ldr	w10, [x17, #GICC_CTLR]
37	/* Store to the crash buf and print to console */
38	bl	str_in_crash_buf_print
39
40	/* Print the GICD_ISPENDR regs */
41	add	x7, x16, #GICD_ISPENDR
42	adr	x4, gicd_pend_reg
43	bl	asm_print_str
44gicd_ispendr_loop:
45	sub	x4, x7, x16
46	cmp	x4, #0x280
47	b.eq	exit_print_gic_regs
48	bl	asm_print_hex
49
50	adr	x4, spacer
51	bl	asm_print_str
52
53	ldr	x4, [x7], #8
54	bl	asm_print_hex
55
56	adr	x4, newline
57	bl	asm_print_str
58	b	gicd_ispendr_loop
59exit_print_gic_regs:
60	.endm
61
62.section .rodata.cci_reg_name, "aS"
63cci_iface_regs:
64	.asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
65
66	/* ------------------------------------------------
67	 * The below macro prints out relevant interconnect
68	 * registers whenever an unhandled exception is
69	 * taken in BL3-1.
70	 * Clobbers: x0 - x9, sp
71	 * ------------------------------------------------
72	 */
73	.macro plat_print_interconnect_regs
74	adr	x6, cci_iface_regs
75	/* Store in x7 the base address of the first interface */
76	mov_imm	x7, (PLAT_MT_CCI_BASE + SLAVE_IFACE_OFFSET(	\
77			PLAT_MT_CCI_CLUSTER0_SL_IFACE_IX))
78	ldr	w8, [x7, #SNOOP_CTRL_REG]
79	/* Store in x7 the base address of the second interface */
80	mov_imm	x7, (PLAT_MT_CCI_BASE + SLAVE_IFACE_OFFSET(	\
81			PLAT_MT_CCI_CLUSTER1_SL_IFACE_IX))
82	ldr	w9, [x7, #SNOOP_CTRL_REG]
83	/* Store to the crash buf and print to console */
84	bl	str_in_crash_buf_print
85	.endm
86