blob: cac7769fea60f13e88f7e61ac42d348e974fdcfa [file] [log] [blame]
developer1033ea12019-04-10 21:09:26 +08001/*
2 * Copyright (c) 2019, 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 <drivers/arm/gic_common.h>
9#include <drivers/arm/gicv2.h>
10#include <platform_def.h>
11
12.section .rodata.gic_reg_name, "aS"
13gicc_regs:
14 .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
15gicd_pend_reg:
16 .asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n" \
17 " Offset:\t\t\tvalue\n"
18newline:
19 .asciz "\n"
20spacer:
21 .asciz ":\t\t0x"
22
23.section .rodata.cci_reg_name, "aS"
24cci_iface_regs:
25 .asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
26
27 /* ---------------------------------------------
28 * The below macro prints out relevant GIC and
29 * CCI registers whenever an unhandled exception
30 * is taken in BL31.
31 * Clobbers: x0 - x10, x26, x27, sp
32 * ---------------------------------------------
33 */
34 .macro plat_crash_print_regs
35 mov_imm x26, BASE_GICD_BASE
36 mov_imm x27, BASE_GICC_BASE
37 /* Load the gicc reg list to x6 */
38 adr x6, gicc_regs
39 /* Load the gicc regs to gp regs used by str_in_crash_buf_print */
40 ldr w8, [x27, #GICC_HPPIR]
41 ldr w9, [x27, #GICC_AHPPIR]
42 ldr w10, [x27, #GICC_CTLR]
43 /* Store to the crash buf and print to console */
44 bl str_in_crash_buf_print
45
46 /* Print the GICD_ISPENDR regs */
47 add x7, x26, #GICD_ISPENDR
48 adr x4, gicd_pend_reg
49 bl asm_print_str
50gicd_ispendr_loop:
51 sub x4, x7, x26
52 cmp x4, #0x280
53 b.eq exit_print_gic_regs
54 bl asm_print_hex
55
56 adr x4, spacer
57 bl asm_print_str
58
59 ldr x4, [x7], #8
60 bl asm_print_hex
61
62 adr x4, newline
63 bl asm_print_str
64 b gicd_ispendr_loop
65exit_print_gic_regs:
66
67 adr x6, cci_iface_regs
68 /* Store in x7 the base address of the first interface */
69 mov_imm x7, (PLAT_MT_CCI_BASE + SLAVE_IFACE_OFFSET( \
70 PLAT_MT_CCI_CLUSTER0_SL_IFACE_IX))
71 ldr w8, [x7, #SNOOP_CTRL_REG]
72 /* Store in x7 the base address of the second interface */
73 mov_imm x7, (PLAT_MT_CCI_BASE + SLAVE_IFACE_OFFSET( \
74 PLAT_MT_CCI_CLUSTER1_SL_IFACE_IX))
75 ldr w9, [x7, #SNOOP_CTRL_REG]
76 /* Store to the crash buf and print to console */
77 bl str_in_crash_buf_print
78 .endm