mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-11-05 20:35:44 +00:00
38 lines
978 B
C
38 lines
978 B
C
|
/*
|
||
|
|
* 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 */
|