1/* 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 79