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memory: move unassigned_mem_ops to memory.c 

reservation_ops is already doing the same thing.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-05-24 13:23:38 +02:00
parent 149f54b53b
commit d197063fcf
3 changed files with 16 additions and 42 deletions
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12
exec.c
View File

@ -50,7 +50,6 @@
#include "exec/memory-internal.h"
//#define DEBUG_UNASSIGNED
//#define DEBUG_SUBPAGE
#if !defined(CONFIG_USER_ONLY)
@ -1402,17 +1401,6 @@ ram_addr_t qemu_ram_addr_from_host_nofail(void *ptr)
return ram_addr;
}
static bool unassigned_mem_accepts(void *opaque, hwaddr addr,
unsigned size, bool is_write)
{
return false;
}
const MemoryRegionOps unassigned_mem_ops = {
.valid.accepts = unassigned_mem_accepts,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static void notdirty_mem_write(void *opaque, hwaddr ram_addr,
uint64_t val, unsigned size)
{

2
include/exec/memory-internal.h
View File

@ -43,6 +43,8 @@ struct AddressSpaceDispatch {
void address_space_init_dispatch(AddressSpace *as);
void address_space_destroy_dispatch(AddressSpace *as);
extern const MemoryRegionOps unassigned_mem_ops;
ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host,
MemoryRegion *mr);
ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr);

44
memory.c
View File

@ -22,6 +22,8 @@
#include "exec/memory-internal.h"
//#define DEBUG_UNASSIGNED
static unsigned memory_region_transaction_depth;
static bool memory_region_update_pending;
static bool global_dirty_log = false;
@ -837,6 +839,17 @@ static void unassigned_mem_write(void *opaque, hwaddr addr,
#endif
}
static bool unassigned_mem_accepts(void *opaque, hwaddr addr,
unsigned size, bool is_write)
{
return false;
}
const MemoryRegionOps unassigned_mem_ops = {
.valid.accepts = unassigned_mem_accepts,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static bool memory_region_access_valid(MemoryRegion *mr,
hwaddr addr,
unsigned size,
@ -1001,40 +1014,11 @@ void memory_region_init_rom_device(MemoryRegion *mr,
mr->ram_addr = qemu_ram_alloc(size, mr);
}
static uint64_t invalid_read(void *opaque, hwaddr addr,
unsigned size)
{
MemoryRegion *mr = opaque;
if (!mr->warning_printed) {
fprintf(stderr, "Invalid read from memory region %s\n", mr->name);
mr->warning_printed = true;
}
return -1U;
}
static void invalid_write(void *opaque, hwaddr addr, uint64_t data,
unsigned size)
{
MemoryRegion *mr = opaque;
if (!mr->warning_printed) {
fprintf(stderr, "Invalid write to memory region %s\n", mr->name);
mr->warning_printed = true;
}
}
static const MemoryRegionOps reservation_ops = {
.read = invalid_read,
.write = invalid_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
void memory_region_init_reservation(MemoryRegion *mr,
const char *name,
uint64_t size)
{
memory_region_init_io(mr, &reservation_ops, mr, name, size);
memory_region_init_io(mr, &unassigned_mem_ops, mr, name, size);
}
void memory_region_destroy(MemoryRegion *mr)