1 files changed, 112 insertions, 0 deletions
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
new file mode 100644
index 0000000..f83d618
--- /dev/null
+++ b/include/exec/cpu-common.h
@@ -0,0 +1,112 @@
+#ifndef CPU_COMMON_H
+#define CPU_COMMON_H 1
+
+/* CPU interfaces that are target independent.  */
+
+#include "exec/hwaddr.h"
+
+#ifndef NEED_CPU_H
+#include "exec/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) */
+#if defined(CONFIG_XEN_BACKEND)
+typedef uint64_t ram_addr_t;
+#  define RAM_ADDR_MAX UINT64_MAX
+#  define RAM_ADDR_FMT "%" PRIx64
+#else
+typedef uintptr_t ram_addr_t;
+#  define RAM_ADDR_MAX UINTPTR_MAX
+#  define RAM_ADDR_FMT "%" PRIxPTR
+#endif
+
+/* memory API */
+
+typedef void CPUWriteMemoryFunc(void *opaque, hwaddr addr, uint32_t value);
+typedef uint32_t CPUReadMemoryFunc(void *opaque, hwaddr addr);
+
+void qemu_ram_remap(ram_addr_t addr, ram_addr_t length);
+/* This should only be used for ram local to a device.  */
+void *qemu_get_ram_ptr(ram_addr_t addr);
+void qemu_put_ram_ptr(void *addr);
+/* This should not be used by devices.  */
+int qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr);
+ram_addr_t qemu_ram_addr_from_host_nofail(void *ptr);
+void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev);
+
+void cpu_physical_memory_rw(hwaddr addr, uint8_t *buf,
+                            int len, int is_write);
+static inline void cpu_physical_memory_read(hwaddr addr,
+                                            void *buf, int len)
+{
+    cpu_physical_memory_rw(addr, buf, len, 0);
+}
+static inline void cpu_physical_memory_write(hwaddr addr,
+                                             const void *buf, int len)
+{
+    cpu_physical_memory_rw(addr, (void *)buf, len, 1);
+}
+void *cpu_physical_memory_map(hwaddr addr,
+                              hwaddr *plen,
+                              int is_write);
+void cpu_physical_memory_unmap(void *buffer, hwaddr len,
+                               int is_write, hwaddr access_len);
+void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque));
+
+bool cpu_physical_memory_is_io(hwaddr phys_addr);
+
+/* 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_flush_coalesced_mmio_buffer(void);
+
+uint32_t ldub_phys(hwaddr addr);
+uint32_t lduw_le_phys(hwaddr addr);
+uint32_t lduw_be_phys(hwaddr addr);
+uint32_t ldl_le_phys(hwaddr addr);
+uint32_t ldl_be_phys(hwaddr addr);
+uint64_t ldq_le_phys(hwaddr addr);
+uint64_t ldq_be_phys(hwaddr addr);
+void stb_phys(hwaddr addr, uint32_t val);
+void stw_le_phys(hwaddr addr, uint32_t val);
+void stw_be_phys(hwaddr addr, uint32_t val);
+void stl_le_phys(hwaddr addr, uint32_t val);
+void stl_be_phys(hwaddr addr, uint32_t val);
+void stq_le_phys(hwaddr addr, uint64_t val);
+void stq_be_phys(hwaddr addr, uint64_t val);
+
+#ifdef NEED_CPU_H
+uint32_t lduw_phys(hwaddr addr);
+uint32_t ldl_phys(hwaddr addr);
+uint64_t ldq_phys(hwaddr addr);
+void stl_phys_notdirty(hwaddr addr, uint32_t val);
+void stq_phys_notdirty(hwaddr addr, uint64_t val);
+void stw_phys(hwaddr addr, uint32_t val);
+void stl_phys(hwaddr addr, uint32_t val);
+void stq_phys(hwaddr addr, uint64_t val);
+#endif
+
+void cpu_physical_memory_write_rom(hwaddr addr,
+                                   const uint8_t *buf, int len);
+
+extern struct MemoryRegion io_mem_ram;
+extern struct MemoryRegion io_mem_rom;
+extern struct MemoryRegion io_mem_unassigned;
+extern struct MemoryRegion io_mem_notdirty;
+
+#endif
+
+#endif /* !CPU_COMMON_H */