include/plat/arm/common/aarch64/cci_macros.S

   1 /*
   2  * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
   3  *
   4  * SPDX-License-Identifier: BSD-3-Clause
   5  */
   6 #ifndef CCI_MACROS_S
   7 #define CCI_MACROS_S
   8
   9 #include <cci.h>
  10 #include <platform_def.h>
  11
  12 .section .rodata.cci_reg_name, "aS"
  13 cci_iface_regs:
  14         .asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
  15
  16         /* ------------------------------------------------
  17          * The below required platform porting macro prints
  18          * out relevant interconnect registers whenever an
  19          * unhandled exception is taken in BL31.
  20          * Clobbers: x0 - x9, sp
  21          * ------------------------------------------------
  22          */
  23         .macro print_cci_regs
  24         adr     x6, cci_iface_regs
  25         /* Store in x7 the base address of the first interface */
  26         mov_imm x7, (PLAT_ARM_CCI_BASE + SLAVE_IFACE_OFFSET(    \
  27                         PLAT_ARM_CCI_CLUSTER0_SL_IFACE_IX))
  28         ldr     w8, [x7, #SNOOP_CTRL_REG]
  29         /* Store in x7 the base address of the second interface */
  30         mov_imm x7, (PLAT_ARM_CCI_BASE + SLAVE_IFACE_OFFSET(    \
  31                         PLAT_ARM_CCI_CLUSTER1_SL_IFACE_IX))
  32         ldr     w9, [x7, #SNOOP_CTRL_REG]
  33         /* Store to the crash buf and print to console */
  34         bl      str_in_crash_buf_print
  35         .endm
  36
  37 #endif /* CCI_MACROS_S */