motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-02 23:33:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

memory: add backward compatibility for old portio registration

Browse source 
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Avi Kivity 2011-07-26 14:26:09 +03:00 • committed by Anthony Liguori
parent 658b222401
commit 627a0e90dc
2 changed files with 49 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

17
memory.h
View file

@ -23,9 +23,11 @@
#include "targphys.h"
#include "qemu-queue.h"
#include "iorange.h"
#include "ioport.h"
typedef struct MemoryRegionOps MemoryRegionOps;
typedef struct MemoryRegion MemoryRegion;
typedef struct MemoryRegionPortio MemoryRegionPortio;
/* Must match *_DIRTY_FLAGS in cpu-all.h. To be replaced with dynamic
* registration.
@ -78,6 +80,11 @@ struct MemoryRegionOps {
*/
bool unaligned;
} impl;
/* If .read and .write are not present, old_portio may be used for
* backwards compatibility with old portio registration
*/
const MemoryRegionPortio *old_portio;
};
typedef struct CoalescedMemoryRange CoalescedMemoryRange;
@ -105,6 +112,16 @@ struct MemoryRegion {
uint8_t dirty_log_mask;
};
struct MemoryRegionPortio {
uint32_t offset;
uint32_t len;
unsigned size;
IOPortReadFunc *read;
IOPortWriteFunc *write;
};
#define PORTIO_END { }
/**
* memory_region_init: Initialize a memory region
*