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git01.mediatek.com / filogic / atf / e05753c644652c477ac9c209319cb88cad03055c / . / include / plat / arm / common / aarch64 / arm_macros.S
blob: d47e4e0969505b5e94f03a870aa318d98edc3bc9 [file] [log] [blame]
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]1/*
Alexei Fedorovc4dfb3b2019-07-29 13:34:07 +0100[diff] [blame]2 * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]3 *
dp-armfa3cf0b2017-05-03 09:38:09 +0100[diff] [blame]4 * SPDX-License-Identifier: BSD-3-Clause
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]5 */
Antonio Nino Diaz5eb88372018-11-08 10:20:19 +0000[diff] [blame]6#ifndef ARM_MACROS_S
7#define ARM_MACROS_S
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]8
Antonio Nino Diaze0f90632018-12-14 00:18:21 +0000[diff] [blame]9#include <drivers/arm/gic_common.h>
10#include <drivers/arm/gicv2.h>
11#include <drivers/arm/gicv3.h>
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]12#include <platform_def.h>
13
14.section .rodata.gic_reg_name, "aS"
Soby Mathew12012dd2015-10-26 14:01:53 +0000[diff] [blame]15/* Applicable only to GICv2 and GICv3 with SRE disabled (legacy mode) */
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]16gicc_regs:
17 .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
Soby Mathew12012dd2015-10-26 14:01:53 +0000[diff] [blame]18
19/* Applicable only to GICv3 with SRE enabled */
20icc_regs:
21 .asciz "icc_hppir0_el1", "icc_hppir1_el1", "icc_ctlr_el3", ""
22
23/* Registers common to both GICv2 and GICv3 */
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]24gicd_pend_reg:
Alexei Fedorovc4dfb3b2019-07-29 13:34:07 +0100[diff] [blame]25 .asciz "gicd_ispendr regs (Offsets 0x200-0x278)\nOffset\t\t\tValue\n"
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]26newline:
27 .asciz "\n"
28spacer:
Alexei Fedorovc4dfb3b2019-07-29 13:34:07 +0100[diff] [blame]29 .asciz ":\t\t 0x"
30prefix:
31 .asciz "0x"
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]32
33 /* ---------------------------------------------
34 * The below utility macro prints out relevant GIC
35 * registers whenever an unhandled exception is
Juan Castillo7d199412015-12-14 09:35:25 +0000[diff] [blame]36 * taken in BL31 on ARM standard platforms.
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]37 * Expects: GICD base in x16, GICC base in x17
38 * Clobbers: x0 - x10, sp
39 * ---------------------------------------------
40 */
41 .macro arm_print_gic_regs
Soby Mathew12012dd2015-10-26 14:01:53 +0000[diff] [blame]42 /* Check for GICv3 system register access */
43 mrs x7, id_aa64pfr0_el1
44 ubfx x7, x7, #ID_AA64PFR0_GIC_SHIFT, #ID_AA64PFR0_GIC_WIDTH
45 cmp x7, #1
46 b.ne print_gicv2
47
48 /* Check for SRE enable */
49 mrs x8, ICC_SRE_EL3
50 tst x8, #ICC_SRE_SRE_BIT
51 b.eq print_gicv2
52
53 /* Load the icc reg list to x6 */
54 adr x6, icc_regs
55 /* Load the icc regs to gp regs used by str_in_crash_buf_print */
56 mrs x8, ICC_HPPIR0_EL1
57 mrs x9, ICC_HPPIR1_EL1
58 mrs x10, ICC_CTLR_EL3
59 /* Store to the crash buf and print to console */
60 bl str_in_crash_buf_print
61 b print_gic_common
62
63print_gicv2:
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]64 /* Load the gicc reg list to x6 */
65 adr x6, gicc_regs
66 /* Load the gicc regs to gp regs used by str_in_crash_buf_print */
67 ldr w8, [x17, #GICC_HPPIR]
68 ldr w9, [x17, #GICC_AHPPIR]
69 ldr w10, [x17, #GICC_CTLR]
70 /* Store to the crash buf and print to console */
71 bl str_in_crash_buf_print
72
Soby Mathew12012dd2015-10-26 14:01:53 +0000[diff] [blame]73print_gic_common:
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]74 /* Print the GICD_ISPENDR regs */
75 add x7, x16, #GICD_ISPENDR
76 adr x4, gicd_pend_reg
77 bl asm_print_str
78gicd_ispendr_loop:
79 sub x4, x7, x16
80 cmp x4, #0x280
81 b.eq exit_print_gic_regs
Alexei Fedorovc4dfb3b2019-07-29 13:34:07 +0100[diff] [blame]82
83 /* Print "0x" */
84 adr x4, prefix
85 bl asm_print_str
86
87 /* Print offset */
88 sub x4, x7, x16
89 mov x5, #12
90 bl asm_print_hex_bits
Dan Handley9df48042015-03-19 18:58:55 +0000[diff] [blame]91
92 adr x4, spacer
93 bl asm_print_str
94
95 ldr x4, [x7], #8
96 bl asm_print_hex
97
98 adr x4, newline
99 bl asm_print_str
100 b gicd_ispendr_loop
101exit_print_gic_regs:
102 .endm
103
Antonio Nino Diaz5eb88372018-11-08 10:20:19 +0000[diff] [blame]104#endif /* ARM_MACROS_S */