unicorn/include/qemu.h
Mike Day 2b93290eea
exec: convert ram_list to QLIST
QLIST has RCU-friendly primitives, so switch to it.

Backports commit 0d53d9fe8a0dcb849bc7c9836e9e6a287f9aa787 from qemu
2018-02-18 18:49:24 -05:00

62 lines
1.3 KiB
C

/* By Dang Hoang Vu <dang.hvu -at- gmail.com>, 2015 */
#ifndef UC_QEMU_H
#define UC_QEMU_H
struct uc_struct;
#define OPC_BUF_SIZE 640
#include "sysemu/sysemu.h"
#include "sysemu/cpus.h"
#include "exec/cpu-common.h"
#include "exec/memory.h"
#include "qemu/thread.h"
#include "include/qom/cpu.h"
#include "vl.h"
// This two struct is originally from qemu/include/exec/cpu-all.h
// Temporarily moved here since there is circular inclusion.
struct RAMBlock {
struct MemoryRegion *mr;
uint8_t *host;
ram_addr_t offset;
ram_addr_t used_length;
ram_addr_t max_length;
void (*resized)(const char*, uint64_t length, void *host);
uint32_t flags;
char idstr[256];
/* Reads can take either the iothread or the ramlist lock.
* Writes must take both locks.
*/
QLIST_ENTRY(RAMBlock) next;
int fd;
};
static inline void *ramblock_ptr(RAMBlock *block, ram_addr_t offset)
{
assert(offset < block->used_length);
assert(block->host);
return (char *)block->host + offset;
}
typedef struct {
MemoryRegion *mr;
void *buffer;
hwaddr addr;
hwaddr len;
bool in_use;
} BounceBuffer;
typedef struct RAMList {
/* Protected by the iothread lock. */
unsigned long *dirty_memory[DIRTY_MEMORY_NUM];
RAMBlock *mru_block;
QLIST_HEAD(, RAMBlock) blocks;
uint32_t version;
} RAMList;
#endif