| /* |
| * Copyright (c) 2014-2021, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| #include <arch.h> |
| #include <asm_macros.S> |
| #include <cpu_macros.S> |
| #include <qemu_max.h> |
| |
| func qemu_max_core_pwr_dwn |
| /* --------------------------------------------- |
| * Disable the Data Cache. |
| * --------------------------------------------- |
| */ |
| mrs x1, sctlr_el3 |
| bic x1, x1, #SCTLR_C_BIT |
| msr sctlr_el3, x1 |
| isb |
| |
| /* --------------------------------------------- |
| * Flush L1 cache to L2. |
| * --------------------------------------------- |
| */ |
| mov x18, lr |
| mov x0, #DCCISW |
| bl dcsw_op_level1 |
| mov lr, x18 |
| ret |
| endfunc qemu_max_core_pwr_dwn |
| |
| func qemu_max_cluster_pwr_dwn |
| /* --------------------------------------------- |
| * Disable the Data Cache. |
| * --------------------------------------------- |
| */ |
| mrs x1, sctlr_el3 |
| bic x1, x1, #SCTLR_C_BIT |
| msr sctlr_el3, x1 |
| isb |
| |
| /* --------------------------------------------- |
| * Flush all caches to PoC. |
| * --------------------------------------------- |
| */ |
| mov x0, #DCCISW |
| b dcsw_op_all |
| endfunc qemu_max_cluster_pwr_dwn |
| |
| #if REPORT_ERRATA |
| /* |
| * Errata printing function for QEMU "max". Must follow AAPCS. |
| */ |
| func qemu_max_errata_report |
| ret |
| endfunc qemu_max_errata_report |
| #endif |
| |
| /* --------------------------------------------- |
| * This function provides cpu specific |
| * register information for crash reporting. |
| * It needs to return with x6 pointing to |
| * a list of register names in ascii and |
| * x8 - x15 having values of registers to be |
| * reported. |
| * --------------------------------------------- |
| */ |
| .section .rodata.qemu_max_regs, "aS" |
| qemu_max_regs: /* The ascii list of register names to be reported */ |
| .asciz "" /* no registers to report */ |
| |
| func qemu_max_cpu_reg_dump |
| adr x6, qemu_max_regs |
| ret |
| endfunc qemu_max_cpu_reg_dump |
| |
| |
| /* cpu_ops for QEMU MAX */ |
| declare_cpu_ops qemu_max, QEMU_MAX_MIDR, CPU_NO_RESET_FUNC, \ |
| qemu_max_core_pwr_dwn, \ |
| qemu_max_cluster_pwr_dwn |