2 * Copyright (C) 2000 Murray Jensen <Murray.Jensen@cmst.csiro.au>
4 * SPDX-License-Identifier: GPL-2.0+
11 #include <ppc_asm.tmpl>
14 #include <asm/cache.h>
17 #if defined(CONFIG_CMD_KGDB)
20 * cache flushing routines for kgdb
23 .globl kgdb_flush_cache_all
26 ori r3, r3, HID0_ICFI|HID0_DCI /* Invalidate All */
31 .globl kgdb_flush_cache_range
32 kgdb_flush_cache_range:
33 li r5,CONFIG_SYS_CACHELINE_SIZE-1
37 srwi. r4,r4,CONFIG_SYS_CACHELINE_SHIFT
42 addi r3,r3,CONFIG_SYS_CACHELINE_SIZE
44 sync /* wait for dcbst's to get to ram */
47 addi r6,r6,CONFIG_SYS_CACHELINE_SIZE