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- /*
- * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
- #include <drivers/arm/cci.h>
- #include <drivers/arm/gic_common.h>
- #include <drivers/arm/gicv2.h>
- #include <platform_def.h>
- .section .rodata.gic_reg_name, "aS"
- gicc_regs:
- .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
- gicd_pend_reg:
- .asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n" \
- " Offset:\t\t\tvalue\n"
- newline:
- .asciz "\n"
- spacer:
- .asciz ":\t\t0x"
- .section .rodata.cci_reg_name, "aS"
- cci_iface_regs:
- .asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
- /* ---------------------------------------------
- * The below macro prints out relevant GIC and
- * CCI registers whenever an unhandled exception
- * is taken in BL31.
- * Clobbers: x0 - x10, x26, x27, sp
- * ---------------------------------------------
- */
- .macro plat_crash_print_regs
- mov_imm x26, BASE_GICD_BASE
- mov_imm x27, BASE_GICC_BASE
- /* Load the gicc reg list to x6 */
- adr x6, gicc_regs
- /* Load the gicc regs to gp regs used by str_in_crash_buf_print */
- ldr w8, [x27, #GICC_HPPIR]
- ldr w9, [x27, #GICC_AHPPIR]
- ldr w10, [x27, #GICC_CTLR]
- /* Store to the crash buf and print to console */
- bl str_in_crash_buf_print
- /* Print the GICD_ISPENDR regs */
- add x7, x26, #GICD_ISPENDR
- adr x4, gicd_pend_reg
- bl asm_print_str
- gicd_ispendr_loop:
- sub x4, x7, x26
- cmp x4, #0x280
- b.eq exit_print_gic_regs
- bl asm_print_hex
- adr x4, spacer
- bl asm_print_str
- ldr x4, [x7], #8
- bl asm_print_hex
- adr x4, newline
- bl asm_print_str
- b gicd_ispendr_loop
- exit_print_gic_regs:
- adr x6, cci_iface_regs
- /* Store in x7 the base address of the first interface */
- mov_imm x7, (PLAT_MT_CCI_BASE + SLAVE_IFACE_OFFSET( \
- PLAT_MT_CCI_CLUSTER0_SL_IFACE_IX))
- ldr w8, [x7, #SNOOP_CTRL_REG]
- /* Store in x7 the base address of the second interface */
- mov_imm x7, (PLAT_MT_CCI_BASE + SLAVE_IFACE_OFFSET( \
- PLAT_MT_CCI_CLUSTER1_SL_IFACE_IX))
- ldr w9, [x7, #SNOOP_CTRL_REG]
- /* Store to the crash buf and print to console */
- bl str_in_crash_buf_print
- .endm
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