* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
+#include "qapi/error.h"
#ifndef _WIN32
#include <sys/mman.h>
#endif
-#include "qemu-common.h"
+#include "qemu/cutils.h"
#include "cpu.h"
+#include "exec/exec-all.h"
#include "tcg.h"
-#include "hw/hw.h"
+#include "hw/qdev-core.h"
#if !defined(CONFIG_USER_ONLY)
#include "hw/boards.h"
+#include "hw/xen/xen.h"
#endif
-#include "hw/qdev.h"
#include "sysemu/kvm.h"
#include "sysemu/sysemu.h"
-#include "hw/xen/xen.h"
#include "qemu/timer.h"
#include "qemu/config-file.h"
#include "qemu/error-report.h"
-#include "exec/memory.h"
-#include "sysemu/dma.h"
-#include "exec/address-spaces.h"
#if defined(CONFIG_USER_ONLY)
#include <qemu.h>
#else /* !CONFIG_USER_ONLY */
+#include "hw/hw.h"
+#include "exec/memory.h"
+#include "exec/ioport.h"
+#include "sysemu/dma.h"
+#include "exec/address-spaces.h"
#include "sysemu/xen-mapcache.h"
#include "trace.h"
#endif
void cpu_exec_init(CPUState *cpu, Error **errp)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
- int cpu_index;
Error *local_err = NULL;
cpu->as = NULL;
#if defined(CONFIG_USER_ONLY)
cpu_list_lock();
#endif
- cpu_index = cpu->cpu_index = cpu_get_free_index(&local_err);
+ cpu->cpu_index = cpu_get_free_index(&local_err);
if (local_err) {
error_propagate(errp, local_err);
#if defined(CONFIG_USER_ONLY)
}
QTAILQ_INSERT_TAIL(&cpus, cpu, node);
#if defined(CONFIG_USER_ONLY)
+ (void) cc;
cpu_list_unlock();
-#endif
+#else
if (qdev_get_vmsd(DEVICE(cpu)) == NULL) {
- vmstate_register(NULL, cpu_index, &vmstate_cpu_common, cpu);
+ vmstate_register(NULL, cpu->cpu_index, &vmstate_cpu_common, cpu);
}
if (cc->vmsd != NULL) {
- vmstate_register(NULL, cpu_index, cc->vmsd, cpu);
+ vmstate_register(NULL, cpu->cpu_index, cc->vmsd, cpu);
}
+#endif
}
#if defined(CONFIG_USER_ONLY)
if (memory_region_is_ram(section->mr)) {
/* Normal RAM. */
- iotlb = (memory_region_get_ram_addr(section->mr) & TARGET_PAGE_MASK)
- + xlat;
+ iotlb = memory_region_get_ram_addr(section->mr) + xlat;
if (!section->readonly) {
iotlb |= PHYS_SECTION_NOTDIRTY;
} else {
char *sanitized_name;
char *c;
void *area;
- int fd;
+ int fd = -1;
int64_t page_size;
if (kvm_enabled() && !kvm_has_sync_mmu()) {
}
page_size = qemu_fd_getpagesize(fd);
- block->mr->align = page_size;
+ block->mr->align = MAX(page_size, QEMU_VMALLOC_ALIGN);
if (memory < page_size) {
error_setg(errp, "memory size 0x" RAM_ADDR_FMT " must be equal to "
perror("ftruncate");
}
- area = qemu_ram_mmap(fd, memory, page_size, block->flags & RAM_SHARED);
+ area = qemu_ram_mmap(fd, memory, block->mr->align,
+ block->flags & RAM_SHARED);
if (area == MAP_FAILED) {
error_setg_errno(errp, errno,
"unable to map backing store for guest RAM");
- close(fd);
goto error;
}
if (unlink_on_error) {
unlink(path);
}
- close(fd);
+ if (fd != -1) {
+ close(fd);
+ }
return NULL;
}
#endif
}
}
-/* Called within an RCU critical section, or while the ramlist lock
- * is held.
- */
-static RAMBlock *find_ram_block(ram_addr_t addr)
-{
- RAMBlock *block;
-
- QLIST_FOREACH_RCU(block, &ram_list.blocks, next) {
- if (block->offset == addr) {
- return block;
- }
- }
-
- return NULL;
-}
-
const char *qemu_ram_get_idstr(RAMBlock *rb)
{
return rb->idstr;
}
/* Called with iothread lock held. */
-void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev)
+void qemu_ram_set_idstr(RAMBlock *new_block, const char *name, DeviceState *dev)
{
- RAMBlock *new_block, *block;
+ RAMBlock *block;
- rcu_read_lock();
- new_block = find_ram_block(addr);
assert(new_block);
assert(!new_block->idstr[0]);
}
pstrcat(new_block->idstr, sizeof(new_block->idstr), name);
+ rcu_read_lock();
QLIST_FOREACH_RCU(block, &ram_list.blocks, next) {
- if (block != new_block && !strcmp(block->idstr, new_block->idstr)) {
+ if (block != new_block &&
+ !strcmp(block->idstr, new_block->idstr)) {
fprintf(stderr, "RAMBlock \"%s\" already registered, abort!\n",
new_block->idstr);
abort();
}
/* Called with iothread lock held. */
-void qemu_ram_unset_idstr(ram_addr_t addr)
+void qemu_ram_unset_idstr(RAMBlock *block)
{
- RAMBlock *block;
-
/* FIXME: arch_init.c assumes that this is not called throughout
* migration. Ignore the problem since hot-unplug during migration
* does not work anyway.
*/
-
- rcu_read_lock();
- block = find_ram_block(addr);
if (block) {
memset(block->idstr, 0, sizeof(block->idstr));
}
- rcu_read_unlock();
}
static int memory_try_enable_merging(void *addr, size_t len)
* resize callback to update device state and/or add assertions to detect
* misuse, if necessary.
*/
-int qemu_ram_resize(ram_addr_t base, ram_addr_t newsize, Error **errp)
+int qemu_ram_resize(RAMBlock *block, ram_addr_t newsize, Error **errp)
{
- RAMBlock *block = find_ram_block(base);
-
assert(block);
newsize = HOST_PAGE_ALIGN(newsize);
void qemu_ram_free(RAMBlock *block)
{
+ if (!block) {
+ return;
+ }
+
qemu_mutex_lock_ramlist();
QLIST_REMOVE_RCU(block, next);
ram_list.mru_block = NULL;
target_ulong pc, cs_base;
target_ulong vaddr;
CPUWatchpoint *wp;
- int cpu_flags;
+ uint32_t cpu_flags;
if (cpu->watchpoint_hit) {
/* We re-entered the check after replacing the TB. Now raise
} else {
/* RAM case */
ptr = qemu_get_ram_ptr(mr->ram_block,
- (memory_region_get_ram_addr(mr)
- & TARGET_PAGE_MASK)
- + addr1);
+ memory_region_get_ram_addr(mr) + addr1);
switch (endian) {
case DEVICE_LITTLE_ENDIAN:
val = ldl_le_p(ptr);
} else {
/* RAM case */
ptr = qemu_get_ram_ptr(mr->ram_block,
- (memory_region_get_ram_addr(mr)
- & TARGET_PAGE_MASK)
- + addr1);
+ memory_region_get_ram_addr(mr) + addr1);
switch (endian) {
case DEVICE_LITTLE_ENDIAN:
val = ldq_le_p(ptr);
} else {
/* RAM case */
ptr = qemu_get_ram_ptr(mr->ram_block,
- (memory_region_get_ram_addr(mr)
- & TARGET_PAGE_MASK)
- + addr1);
+ memory_region_get_ram_addr(mr) + addr1);
switch (endian) {
case DEVICE_LITTLE_ENDIAN:
val = lduw_le_p(ptr);
r = memory_region_dispatch_write(mr, addr1, val, 4, attrs);
} else {
- addr1 += memory_region_get_ram_addr(mr) & TARGET_PAGE_MASK;
+ addr1 += memory_region_get_ram_addr(mr);
ptr = qemu_get_ram_ptr(mr->ram_block, addr1);
stl_p(ptr, val);
r = memory_region_dispatch_write(mr, addr1, val, 4, attrs);
} else {
/* RAM case */
- addr1 += memory_region_get_ram_addr(mr) & TARGET_PAGE_MASK;
+ addr1 += memory_region_get_ram_addr(mr);
ptr = qemu_get_ram_ptr(mr->ram_block, addr1);
switch (endian) {
case DEVICE_LITTLE_ENDIAN:
r = memory_region_dispatch_write(mr, addr1, val, 2, attrs);
} else {
/* RAM case */
- addr1 += memory_region_get_ram_addr(mr) & TARGET_PAGE_MASK;
+ addr1 += memory_region_get_ram_addr(mr);
ptr = qemu_get_ram_ptr(mr->ram_block, addr1);
switch (endian) {
case DEVICE_LITTLE_ENDIAN:
projects / qemu.git / blobdiff