/* CPU interfaces that are target indpendent. */
-#if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__)
+#if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__)
#define WORDS_ALIGNED
#endif
+#ifdef TARGET_PHYS_ADDR_BITS
+#include "targphys.h"
+#endif
+
+#ifndef NEED_CPU_H
+#include "poison.h"
+#endif
+
#include "bswap.h"
+#include "qemu-queue.h"
+
+#if !defined(CONFIG_USER_ONLY)
+
+enum device_endian {
+ DEVICE_NATIVE_ENDIAN,
+ DEVICE_BIG_ENDIAN,
+ DEVICE_LITTLE_ENDIAN,
+};
/* address in the RAM (different from a physical address) */
-typedef unsigned long a_ram_addr;
+typedef unsigned long ram_addr_t;
/* memory API */
-typedef void CPUWriteMemoryFunc(void *opaque, a_target_phys_addr addr, uint32_t value);
-typedef uint32_t CPUReadMemoryFunc(void *opaque, a_target_phys_addr addr);
+typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value);
+typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr);
-void cpu_register_physical_memory_offset(a_target_phys_addr start_addr,
- a_ram_addr size,
- a_ram_addr phys_offset,
- a_ram_addr region_offset);
-static inline void cpu_register_physical_memory(a_target_phys_addr start_addr,
- a_ram_addr size,
- a_ram_addr phys_offset)
+void cpu_register_physical_memory_offset(target_phys_addr_t start_addr,
+ ram_addr_t size,
+ ram_addr_t phys_offset,
+ ram_addr_t region_offset);
+static inline void cpu_register_physical_memory(target_phys_addr_t start_addr,
+ ram_addr_t size,
+ ram_addr_t phys_offset)
{
cpu_register_physical_memory_offset(start_addr, size, phys_offset, 0);
}
-a_ram_addr cpu_get_physical_page_desc(a_target_phys_addr addr);
-a_ram_addr qemu_ram_alloc(a_ram_addr);
-void qemu_ram_free(a_ram_addr addr);
+ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr);
+ram_addr_t qemu_ram_alloc_from_ptr(DeviceState *dev, const char *name,
+ ram_addr_t size, void *host);
+ram_addr_t qemu_ram_alloc(DeviceState *dev, const char *name, ram_addr_t size);
+void qemu_ram_free(ram_addr_t addr);
/* This should only be used for ram local to a device. */
-void *qemu_get_ram_ptr(a_ram_addr addr);
+void *qemu_get_ram_ptr(ram_addr_t addr);
+/* Same but slower, to use for migration, where the order of
+ * RAMBlocks must not change. */
+void *qemu_safe_ram_ptr(ram_addr_t addr);
/* This should not be used by devices. */
-a_ram_addr qemu_ram_addr_from_host(void *ptr);
+int qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr);
+ram_addr_t qemu_ram_addr_from_host_nofail(void *ptr);
int cpu_register_io_memory(CPUReadMemoryFunc * const *mem_read,
CPUWriteMemoryFunc * const *mem_write,
- void *opaque);
+ void *opaque, enum device_endian endian);
void cpu_unregister_io_memory(int table_address);
-void cpu_physical_memory_rw(a_target_phys_addr addr, uint8_t *buf,
+void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
int len, int is_write);
-static inline void cpu_physical_memory_read(a_target_phys_addr addr,
+static inline void cpu_physical_memory_read(target_phys_addr_t addr,
uint8_t *buf, int len)
{
cpu_physical_memory_rw(addr, buf, len, 0);
}
-static inline void cpu_physical_memory_write(a_target_phys_addr addr,
+static inline void cpu_physical_memory_write(target_phys_addr_t addr,
const uint8_t *buf, int len)
{
cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1);
}
-void *cpu_physical_memory_map(a_target_phys_addr addr,
- a_target_phys_addr *plen,
+void *cpu_physical_memory_map(target_phys_addr_t addr,
+ target_phys_addr_t *plen,
int is_write);
-void cpu_physical_memory_unmap(void *buffer, a_target_phys_addr len,
- int is_write, a_target_phys_addr access_len);
+void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len,
+ int is_write, target_phys_addr_t access_len);
void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque));
void cpu_unregister_map_client(void *cookie);
-uint32_t ldub_phys(a_target_phys_addr addr);
-uint32_t lduw_phys(a_target_phys_addr addr);
-uint32_t ldl_phys(a_target_phys_addr addr);
-uint64_t ldq_phys(a_target_phys_addr addr);
-void stl_phys_notdirty(a_target_phys_addr addr, uint32_t val);
-void stq_phys_notdirty(a_target_phys_addr addr, uint64_t val);
-void stb_phys(a_target_phys_addr addr, uint32_t val);
-void stw_phys(a_target_phys_addr addr, uint32_t val);
-void stl_phys(a_target_phys_addr addr, uint32_t val);
-void stq_phys(a_target_phys_addr addr, uint64_t val);
-
-void cpu_physical_memory_write_rom(a_target_phys_addr addr,
+struct CPUPhysMemoryClient;
+typedef struct CPUPhysMemoryClient CPUPhysMemoryClient;
+struct CPUPhysMemoryClient {
+ void (*set_memory)(struct CPUPhysMemoryClient *client,
+ target_phys_addr_t start_addr,
+ ram_addr_t size,
+ ram_addr_t phys_offset);
+ int (*sync_dirty_bitmap)(struct CPUPhysMemoryClient *client,
+ target_phys_addr_t start_addr,
+ target_phys_addr_t end_addr);
+ int (*migration_log)(struct CPUPhysMemoryClient *client,
+ int enable);
+ QLIST_ENTRY(CPUPhysMemoryClient) list;
+};
+
+void cpu_register_phys_memory_client(CPUPhysMemoryClient *);
+void cpu_unregister_phys_memory_client(CPUPhysMemoryClient *);
+
+/* Coalesced MMIO regions are areas where write operations can be reordered.
+ * This usually implies that write operations are side-effect free. This allows
+ * batching which can make a major impact on performance when using
+ * virtualization.
+ */
+void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
+
+void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
+
+void qemu_flush_coalesced_mmio_buffer(void);
+
+uint32_t ldub_phys(target_phys_addr_t addr);
+uint32_t lduw_phys(target_phys_addr_t addr);
+uint32_t ldl_phys(target_phys_addr_t addr);
+uint64_t ldq_phys(target_phys_addr_t addr);
+void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val);
+void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val);
+void stb_phys(target_phys_addr_t addr, uint32_t val);
+void stw_phys(target_phys_addr_t addr, uint32_t val);
+void stl_phys(target_phys_addr_t addr, uint32_t val);
+void stq_phys(target_phys_addr_t addr, uint64_t val);
+
+void cpu_physical_memory_write_rom(target_phys_addr_t addr,
const uint8_t *buf, int len);
#define IO_MEM_SHIFT 3
/* Acts like a ROM when read and like a device when written. */
#define IO_MEM_ROMD (1)
#define IO_MEM_SUBPAGE (2)
-#define IO_MEM_SUBWIDTH (4)
+
+#endif
#endif /* !CPU_COMMON_H */
projects / qemu.git / blobdiff