riscv-openocd/src/target/armv4_5_cache.h

/* SPDX-License-Identifier: GPL-2.0-or-later */

/***************************************************************************
 *   Copyright (C) 2005 by Dominic Rath                                    *
 *   Dominic.Rath@gmx.de                                                   *
 ***************************************************************************/

#ifndef OPENOCD_TARGET_ARMV4_5_CACHE_H
#define OPENOCD_TARGET_ARMV4_5_CACHE_H

#include "helper/types.h"

struct command_invocation;

struct armv4_5_cachesize {
	int linelen;
	int associativity;
	int nsets;
	int cachesize;
};

struct armv4_5_cache_common {
	int ctype;	/* specify supported cache operations */
	int separate;	/* separate caches or unified cache */
	struct armv4_5_cachesize d_u_size;	/* data cache */
	struct armv4_5_cachesize i_size; /* instruction cache */
	int i_cache_enabled;
	int d_u_cache_enabled;
};

int armv4_5_identify_cache(uint32_t cache_type_reg,
		struct armv4_5_cache_common *cache);
int armv4_5_cache_state(uint32_t cp15_control_reg,
		struct armv4_5_cache_common *cache);

int armv4_5_handle_cache_info_command(struct command_invocation *cmd,
		struct armv4_5_cache_common *armv4_5_cache);

enum {
	ARMV4_5_D_U_CACHE_ENABLED = 0x4,
	ARMV4_5_I_CACHE_ENABLED = 0x1000,
	ARMV4_5_WRITE_BUFFER_ENABLED = 0x8,
	ARMV4_5_CACHE_RR_BIT = 0x5000,
};

#endif /* OPENOCD_TARGET_ARMV4_5_CACHE_H */