#include "defs.h"
#include "dcache.h"
#include "gdbcmd.h"
#include "gdbcore.h"
#include "target-dcache.h"
#include "inferior.h"
#include "splay-tree.h"

Classes
struct	dcache_block

struct	dcache_struct

Macros
#define	DCACHE_DEFAULT_SIZE 4096

#define	DCACHE_DEFAULT_LINE_SIZE 64

#define	LINE_SIZE_MASK(dcache) ((dcache->line_size - 1))

#define	XFORM(dcache, x) ((x) & LINE_SIZE_MASK (dcache))

#define	MASK(dcache, x) ((x) & ~LINE_SIZE_MASK (dcache))

Typedefs
typedef void()	block_func(struct dcache_block block, void param)

Functions
static struct dcache_block *	dcache_hit (DCACHE *dcache, CORE_ADDR addr)

static int	dcache_read_line (DCACHE dcache, struct dcache_block db)

static struct dcache_block *	dcache_alloc (DCACHE *dcache, CORE_ADDR addr)

static void	show_dcache_enabled_p (struct ui_file file, int from_tty, struct cmd_list_element c, const char *value)

static void	append_block (struct dcache_block *blist, struct dcache_block block)

static void	remove_block (struct dcache_block *blist, struct dcache_block block)

static void	for_each_block (struct dcache_block *blist, block_func func, void *param)

static void	free_block (struct dcache_block block, void param)

void	dcache_free (DCACHE *dcache)

static void	invalidate_block (struct dcache_block block, void param)

void	dcache_invalidate (DCACHE *dcache)

static void	dcache_invalidate_line (DCACHE *dcache, CORE_ADDR addr)

static int	dcache_peek_byte (DCACHE dcache, CORE_ADDR addr, gdb_byte ptr)

static void	dcache_poke_byte (DCACHE dcache, CORE_ADDR addr, const gdb_byte ptr)

static int	dcache_splay_tree_compare (splay_tree_key a, splay_tree_key b)

DCACHE *	dcache_init (void)

enum target_xfer_status	dcache_read_memory_partial (struct target_ops ops, DCACHE dcache, CORE_ADDR memaddr, gdb_byte myaddr, ULONGEST len, ULONGEST xfered_len)

void	dcache_update (DCACHE dcache, enum target_xfer_status status, CORE_ADDR memaddr, const gdb_byte myaddr, ULONGEST len)

static void	dcache_print_line (DCACHE *dcache, int index)

static void	dcache_info_1 (DCACHE dcache, const char exp)

static void	info_dcache_command (const char *exp, int tty)

static void	set_dcache_size (const char args, int from_tty, struct cmd_list_element c)

static void	set_dcache_line_size (const char args, int from_tty, struct cmd_list_element c)

static void	set_dcache_command (const char *arg, int from_tty)

static void	show_dcache_command (const char *args, int from_tty)

void	_initialize_dcache (void)

Variables
static struct cmd_list_element *	dcache_set_list = NULL

static struct cmd_list_element *	dcache_show_list = NULL

static unsigned	dcache_size = DCACHE_DEFAULT_SIZE

static unsigned	dcache_line_size = DCACHE_DEFAULT_LINE_SIZE

static int	dcache_enabled_p = 0

Macro Definition Documentation

◆ DCACHE_DEFAULT_LINE_SIZE

#define DCACHE_DEFAULT_LINE_SIZE 64

Definition at line 82 of file dcache.c.

Referenced by set_dcache_line_size().

◆ DCACHE_DEFAULT_SIZE

#define DCACHE_DEFAULT_SIZE 4096

Definition at line 76 of file dcache.c.

Referenced by set_dcache_size().

◆ LINE_SIZE_MASK

#define LINE_SIZE_MASK ( dcache ) ((dcache->line_size - 1))

Definition at line 88 of file dcache.c.

◆ MASK

#define MASK	(	dcache,
		x
	)	((x) & ~LINE_SIZE_MASK (dcache))

Definition at line 90 of file dcache.c.

Referenced by dcache_alloc(), and dcache_hit().

◆ XFORM

#define XFORM	(	dcache,
		x
	)	((x) & LINE_SIZE_MASK (dcache))

Definition at line 89 of file dcache.c.

Referenced by dcache_peek_byte(), and dcache_poke_byte().

Typedef Documentation

◆ block_func

typedef void() block_func(struct dcache_block *block, void *param)

Definition at line 120 of file dcache.c.

Function Documentation

◆ _initialize_dcache()

void _initialize_dcache ( void )

Definition at line 687 of file dcache.c.

References _, add_info(), add_prefix_cmd(), add_setshow_boolean_cmd(), add_setshow_zuinteger_cmd(), class_obscure, class_support, dcache_enabled_p, dcache_line_size, dcache_set_list, dcache_show_list, dcache_size, info_dcache_command(), set_dcache_command(), set_dcache_line_size(), set_dcache_size(), setlist, show_dcache_command(), show_dcache_enabled_p(), and showlist.

◆ append_block()

static void append_block	(	struct dcache_block **	blist,
		struct dcache_block *	block
	)

static

Definition at line 145 of file dcache.c.

Referenced by dcache_alloc(), dcache_invalidate_line(), and invalidate_block().

◆ dcache_alloc()

static struct dcache_block * dcache_alloc	(	DCACHE *	dcache,
		CORE_ADDR	addr
	)

static

Definition at line 351 of file dcache.c.

References dcache_block::addr, append_block(), dcache_block::data, dcache_size, dcache_struct::freelist, dcache_struct::line_size, MASK, dcache_struct::oldest, dcache_block::refs, remove_block(), dcache_struct::size, dcache_struct::tree, and xmalloc().

Referenced by dcache_peek_byte().

◆ dcache_free()

void dcache_free ( DCACHE * dcache )

Definition at line 219 of file dcache.c.

References for_each_block(), free_block(), dcache_struct::freelist, dcache_struct::oldest, dcache_struct::tree, and xfree().

Referenced by target_dcache_cleanup().

◆ dcache_hit()

static struct dcache_block * dcache_hit	(	DCACHE *	dcache,
		CORE_ADDR	addr
	)

static

Definition at line 283 of file dcache.c.

References dcache_block::addr, MASK, dcache_block::refs, and dcache_struct::tree.

Referenced by dcache_invalidate_line(), dcache_peek_byte(), and dcache_poke_byte().

◆ dcache_info_1()

static void dcache_info_1	(	DCACHE *	dcache,
		const char *	exp
	)

static

Definition at line 586 of file dcache.c.

References _, dcache_block::addr, dcache_line_size, dcache_print_line(), dcache_size, dcache_struct::line_size, null_ptid, paddress(), printf_filtered(), dcache_struct::ptid, ptid_equal(), dcache_block::refs, target_gdbarch(), target_pid_to_str(), and dcache_struct::tree.

Referenced by info_dcache_command().

◆ dcache_init()

DCACHE* dcache_init ( void )

Definition at line 442 of file dcache.c.

References dcache_line_size, dcache_splay_tree_compare(), dcache_struct::freelist, dcache_struct::line_size, null_ptid, dcache_struct::oldest, dcache_struct::ptid, dcache_struct::size, dcache_struct::tree, and XNEW.

Referenced by target_dcache_get_or_init().

◆ dcache_invalidate()

void dcache_invalidate ( DCACHE * dcache )

Definition at line 244 of file dcache.c.

References dcache_line_size, for_each_block(), free_block(), dcache_struct::freelist, invalidate_block(), dcache_struct::line_size, null_ptid, dcache_struct::oldest, dcache_struct::ptid, and dcache_struct::size.

Referenced by dcache_read_memory_partial(), and target_dcache_invalidate().

◆ dcache_invalidate_line()

static void dcache_invalidate_line	(	DCACHE *	dcache,
		CORE_ADDR	addr
	)

static

Definition at line 266 of file dcache.c.

References dcache_block::addr, append_block(), dcache_hit(), dcache_struct::freelist, dcache_struct::oldest, remove_block(), dcache_struct::size, and dcache_struct::tree.

Referenced by dcache_read_memory_partial(), and dcache_update().

◆ dcache_peek_byte()

static int dcache_peek_byte	(	DCACHE *	dcache,
		CORE_ADDR	addr,
		gdb_byte *	ptr
	)

static

Definition at line 394 of file dcache.c.

References dcache_block::addr, dcache_block::data, dcache_alloc(), dcache_hit(), dcache_read_line(), and XFORM.

Referenced by dcache_read_memory_partial().

◆ dcache_poke_byte()

static void dcache_poke_byte	(	DCACHE *	dcache,
		CORE_ADDR	addr,
		const gdb_byte *	ptr
	)

static

Definition at line 420 of file dcache.c.

References dcache_block::addr, dcache_block::data, dcache_hit(), and XFORM.

Referenced by dcache_update().

◆ dcache_print_line()

static void dcache_print_line	(	DCACHE *	dcache,
		int	index
	)

static

Definition at line 540 of file dcache.c.

References _, dcache_block::addr, dcache_block::data, dcache_struct::line_size, paddress(), printf_filtered(), dcache_block::refs, target_gdbarch(), and dcache_struct::tree.

Referenced by dcache_info_1().

◆ dcache_read_line()

static int dcache_read_line	(	DCACHE *	dcache,
		struct dcache_block *	db
	)

static

Definition at line 303 of file dcache.c.

References dcache_block::addr, mem_region::attrib, dcache_block::data, mem_region::hi, dcache_struct::line_size, lookup_mem_region(), MEM_WO, mem_attrib::mode, and target_read_raw_memory().

Referenced by dcache_peek_byte().

◆ dcache_read_memory_partial()

enum target_xfer_status dcache_read_memory_partial	(	struct target_ops *	ops,
		DCACHE *	dcache,
		CORE_ADDR	memaddr,
		gdb_byte *	myaddr,
		ULONGEST	len,
		ULONGEST *	xfered_len
	)