#include "exec/ioport.h"
#include "qemu/bitops.h"
#include "qom/object.h"
-#include "sysemu/kvm.h"
+#include "trace.h"
#include <assert.h>
#include "exec/memory-internal.h"
+#include "exec/ram_addr.h"
//#define DEBUG_UNASSIGNED
}
}
-static void memory_region_oldmmio_read_accessor(void *opaque,
+static bool memory_region_big_endian(MemoryRegion *mr)
+{
+#ifdef TARGET_WORDS_BIGENDIAN
+ return mr->ops->endianness != DEVICE_LITTLE_ENDIAN;
+#else
+ return mr->ops->endianness == DEVICE_BIG_ENDIAN;
+#endif
+}
+
+static bool memory_region_wrong_endianness(MemoryRegion *mr)
+{
+#ifdef TARGET_WORDS_BIGENDIAN
+ return mr->ops->endianness == DEVICE_LITTLE_ENDIAN;
+#else
+ return mr->ops->endianness == DEVICE_BIG_ENDIAN;
+#endif
+}
+
+static void adjust_endianness(MemoryRegion *mr, uint64_t *data, unsigned size)
+{
+ if (memory_region_wrong_endianness(mr)) {
+ switch (size) {
+ case 1:
+ break;
+ case 2:
+ *data = bswap16(*data);
+ break;
+ case 4:
+ *data = bswap32(*data);
+ break;
+ case 8:
+ *data = bswap64(*data);
+ break;
+ default:
+ abort();
+ }
+ }
+}
+
+static void memory_region_oldmmio_read_accessor(MemoryRegion *mr,
hwaddr addr,
uint64_t *value,
unsigned size,
unsigned shift,
uint64_t mask)
{
- MemoryRegion *mr = opaque;
uint64_t tmp;
tmp = mr->ops->old_mmio.read[ctz32(size)](mr->opaque, addr);
+ trace_memory_region_ops_read(mr, addr, tmp, size);
*value |= (tmp & mask) << shift;
}
-static void memory_region_read_accessor(void *opaque,
+static void memory_region_read_accessor(MemoryRegion *mr,
hwaddr addr,
uint64_t *value,
unsigned size,
unsigned shift,
uint64_t mask)
{
- MemoryRegion *mr = opaque;
uint64_t tmp;
if (mr->flush_coalesced_mmio) {
qemu_flush_coalesced_mmio_buffer();
}
tmp = mr->ops->read(mr->opaque, addr, size);
+ trace_memory_region_ops_read(mr, addr, tmp, size);
*value |= (tmp & mask) << shift;
}
-static void memory_region_oldmmio_write_accessor(void *opaque,
+static void memory_region_oldmmio_write_accessor(MemoryRegion *mr,
hwaddr addr,
uint64_t *value,
unsigned size,
unsigned shift,
uint64_t mask)
{
- MemoryRegion *mr = opaque;
uint64_t tmp;
tmp = (*value >> shift) & mask;
+ trace_memory_region_ops_write(mr, addr, tmp, size);
mr->ops->old_mmio.write[ctz32(size)](mr->opaque, addr, tmp);
}
-static void memory_region_write_accessor(void *opaque,
+static void memory_region_write_accessor(MemoryRegion *mr,
hwaddr addr,
uint64_t *value,
unsigned size,
unsigned shift,
uint64_t mask)
{
- MemoryRegion *mr = opaque;
uint64_t tmp;
if (mr->flush_coalesced_mmio) {
qemu_flush_coalesced_mmio_buffer();
}
tmp = (*value >> shift) & mask;
+ trace_memory_region_ops_write(mr, addr, tmp, size);
mr->ops->write(mr->opaque, addr, tmp, size);
}
unsigned size,
unsigned access_size_min,
unsigned access_size_max,
- void (*access)(void *opaque,
+ void (*access)(MemoryRegion *mr,
hwaddr addr,
uint64_t *value,
unsigned size,
unsigned shift,
uint64_t mask),
- void *opaque)
+ MemoryRegion *mr)
{
uint64_t access_mask;
unsigned access_size;
/* FIXME: support unaligned access? */
access_size = MAX(MIN(size, access_size_max), access_size_min);
access_mask = -1ULL >> (64 - access_size * 8);
- for (i = 0; i < size; i += access_size) {
-#ifdef TARGET_WORDS_BIGENDIAN
- access(opaque, addr + i, value, access_size,
- (size - access_size - i) * 8, access_mask);
-#else
- access(opaque, addr + i, value, access_size, i * 8, access_mask);
-#endif
+ if (memory_region_big_endian(mr)) {
+ for (i = 0; i < size; i += access_size) {
+ access(mr, addr + i, value, access_size,
+ (size - access_size - i) * 8, access_mask);
+ }
+ } else {
+ for (i = 0; i < size; i += access_size) {
+ access(mr, addr + i, value, access_size, i * 8, access_mask);
+ }
}
}
qemu_ram_free(mr->ram_addr & TARGET_PAGE_MASK);
}
-static bool memory_region_wrong_endianness(MemoryRegion *mr)
-{
-#ifdef TARGET_WORDS_BIGENDIAN
- return mr->ops->endianness == DEVICE_LITTLE_ENDIAN;
-#else
- return mr->ops->endianness == DEVICE_BIG_ENDIAN;
-#endif
-}
-
void memory_region_init(MemoryRegion *mr,
Object *owner,
const char *name,
mr->owner = owner;
mr->iommu_ops = NULL;
mr->parent = NULL;
- mr->owner = NULL;
mr->size = int128_make64(size);
if (size == UINT64_MAX) {
mr->size = int128_2_64();
return data;
}
-static void adjust_endianness(MemoryRegion *mr, uint64_t *data, unsigned size)
-{
- if (memory_region_wrong_endianness(mr)) {
- switch (size) {
- case 1:
- break;
- case 2:
- *data = bswap16(*data);
- break;
- case 4:
- *data = bswap32(*data);
- break;
- case 8:
- *data = bswap64(*data);
- break;
- default:
- abort();
- }
- }
-}
-
static bool memory_region_dispatch_read(MemoryRegion *mr,
hwaddr addr,
uint64_t *pval,
hwaddr size, unsigned client)
{
assert(mr->terminates);
- return cpu_physical_memory_get_dirty(mr->ram_addr + addr, size,
- 1 << client);
+ return cpu_physical_memory_get_dirty(mr->ram_addr + addr, size, client);
}
void memory_region_set_dirty(MemoryRegion *mr, hwaddr addr,
hwaddr size)
{
assert(mr->terminates);
- return cpu_physical_memory_set_dirty_range(mr->ram_addr + addr, size, -1);
+ cpu_physical_memory_set_dirty_range(mr->ram_addr + addr, size);
}
bool memory_region_test_and_clear_dirty(MemoryRegion *mr, hwaddr addr,
{
bool ret;
assert(mr->terminates);
- ret = cpu_physical_memory_get_dirty(mr->ram_addr + addr, size,
- 1 << client);
+ ret = cpu_physical_memory_get_dirty(mr->ram_addr + addr, size, client);
if (ret) {
- cpu_physical_memory_reset_dirty(mr->ram_addr + addr,
- mr->ram_addr + addr + size,
- 1 << client);
+ cpu_physical_memory_reset_dirty(mr->ram_addr + addr, size, client);
}
return ret;
}
hwaddr size, unsigned client)
{
assert(mr->terminates);
- cpu_physical_memory_reset_dirty(mr->ram_addr + addr,
- mr->ram_addr + addr + size,
- 1 << client);
+ cpu_physical_memory_reset_dirty(mr->ram_addr + addr, size, client);
}
void *memory_region_get_ram_ptr(MemoryRegion *mr)
void memory_region_add_subregion_overlap(MemoryRegion *mr,
hwaddr offset,
MemoryRegion *subregion,
- unsigned priority)
+ int priority)
{
subregion->may_overlap = true;
subregion->priority = priority;
void memory_region_set_address(MemoryRegion *mr, hwaddr addr)
{
MemoryRegion *parent = mr->parent;
- unsigned priority = mr->priority;
+ int priority = mr->priority;
bool may_overlap = mr->may_overlap;
if (addr == mr->addr || !parent) {
bool memory_region_present(MemoryRegion *parent, hwaddr addr)
{
MemoryRegion *mr = memory_region_find(parent, addr, 1).mr;
- if (!mr) {
+ if (!mr || (mr == parent)) {
return false;
}
memory_region_unref(mr);
view = address_space_get_flatview(as);
fr = flatview_lookup(view, range);
if (!fr) {
+ flatview_unref(view);
return ret;
}
"-" TARGET_FMT_plx "\n",
base + mr->addr,
base + mr->addr
- + (hwaddr)int128_get64(int128_sub(mr->size, int128_make64(1))),
+ + (int128_nz(mr->size) ?
+ (hwaddr)int128_get64(int128_sub(mr->size,
+ int128_one())) : 0),
mr->priority,
mr->romd_mode ? 'R' : '-',
!mr->readonly && !(mr->rom_device && mr->romd_mode) ? 'W'
mr->alias->name,
mr->alias_offset,
mr->alias_offset
- + (hwaddr)int128_get64(mr->size) - 1);
+ + (int128_nz(mr->size) ?
+ (hwaddr)int128_get64(int128_sub(mr->size,
+ int128_one())) : 0));
} else {
mon_printf(f,
TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d, %c%c): %s\n",
base + mr->addr,
base + mr->addr
- + (hwaddr)int128_get64(int128_sub(mr->size, int128_make64(1))),
+ + (int128_nz(mr->size) ?
+ (hwaddr)int128_get64(int128_sub(mr->size,
+ int128_one())) : 0),
mr->priority,
mr->romd_mode ? 'R' : '-',
!mr->readonly && !(mr->rom_device && mr->romd_mode) ? 'W'
projects / qemu.git / blobdiff