summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/cpu/vtlb.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/cpu/vtlb.h')
-rw-r--r--src/devices/cpu/vtlb.h88
1 files changed, 0 insertions, 88 deletions
diff --git a/src/devices/cpu/vtlb.h b/src/devices/cpu/vtlb.h
deleted file mode 100644
index f63a0ac50f6..00000000000
--- a/src/devices/cpu/vtlb.h
+++ /dev/null
@@ -1,88 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Aaron Giles
-/***************************************************************************
-
- vtlb.h
-
- Generic virtual TLB implementation.
-
-***************************************************************************/
-
-#pragma once
-
-#ifndef __VTLB_H__
-#define __VTLB_H__
-
-
-
-/***************************************************************************
- CONSTANTS
-***************************************************************************/
-
-#define VTLB_FLAGS_MASK 0xff
-
-#define VTLB_READ_ALLOWED 0x01 /* (1 << TRANSLATE_READ) */
-#define VTLB_WRITE_ALLOWED 0x02 /* (1 << TRANSLATE_WRITE) */
-#define VTLB_FETCH_ALLOWED 0x04 /* (1 << TRANSLATE_FETCH) */
-#define VTLB_FLAG_VALID 0x08
-#define VTLB_USER_READ_ALLOWED 0x10 /* (1 << TRANSLATE_READ_USER) */
-#define VTLB_USER_WRITE_ALLOWED 0x20 /* (1 << TRANSLATE_WRITE_USER) */
-#define VTLB_USER_FETCH_ALLOWED 0x40 /* (1 << TRANSLATE_FETCH_USER) */
-#define VTLB_FLAG_FIXED 0x80
-
-
-
-/***************************************************************************
- TYPE DEFINITIONS
-***************************************************************************/
-
-/* represents an entry in the VTLB */
-typedef UINT32 vtlb_entry;
-
-
-/* opaque structure describing VTLB state */
-struct vtlb_state;
-
-
-
-/***************************************************************************
- FUNCTION PROTOTYPES
-***************************************************************************/
-
-
-/* ----- initialization/teardown ----- */
-
-/* allocate a new VTLB for the given CPU */
-vtlb_state *vtlb_alloc(device_t *cpu, address_spacenum space, int fixed_entries, int dynamic_entries);
-
-/* free an allocated VTLB */
-void vtlb_free(vtlb_state *vtlb);
-
-
-/* ----- filling ----- */
-
-/* called by the CPU core in response to an unmapped access */
-int vtlb_fill(vtlb_state *vtlb, offs_t address, int intention);
-
-/* load a fixed VTLB entry */
-void vtlb_load(vtlb_state *vtlb, int entrynum, int numpages, offs_t address, vtlb_entry value);
-
-/* load a dynamic VTLB entry */
-void vtlb_dynload(vtlb_state *vtlb, UINT32 index, offs_t address, vtlb_entry value);
-
-/* ----- flushing ----- */
-
-/* flush all knowledge from the dynamic part of the VTLB */
-void vtlb_flush_dynamic(vtlb_state *vtlb);
-
-/* flush knowledge of a particular address from the VTLB */
-void vtlb_flush_address(vtlb_state *vtlb, offs_t address);
-
-
-/* ----- accessors ----- */
-
-/* return a pointer to the base of the linear VTLB lookup table */
-const vtlb_entry *vtlb_table(vtlb_state *vtlb);
-
-
-#endif /* __VTLB_H__ */