Archipelago » qemu

/*

 * Copyright (C) 2011       Citrix Ltd.

 *

 * This work is licensed under the terms of the GNU GPL, version 2.  See

 * the COPYING file in the top-level directory.

 *

 */

#ifndef XEN_MAPCACHE_H

#define XEN_MAPCACHE_H

#include <sys/mman.h>

#include "trace.h"

void     qemu_map_cache_init(void);

uint8_t  *qemu_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, uint8_t lock);

void     qemu_map_cache_unlock(void *phys_addr);

ram_addr_t qemu_ram_addr_from_mapcache(void *ptr);

void     qemu_invalidate_entry(uint8_t *buffer);

void     qemu_invalidate_map_cache(void);

uint8_t *xen_map_block(target_phys_addr_t phys_addr, target_phys_addr_t size);

static inline void xen_unmap_block(void *addr, ram_addr_t size)

{

    trace_xen_unmap_block(addr, size);

    if (munmap(addr, size) != 0) {

        hw_error("xen_unmap_block: %s", strerror(errno));

    }

}

#define mapcache_lock()   ((void)0)

#define mapcache_unlock() ((void)0)

#endif /* !XEN_MAPCACHE_H */