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-rw-r--r--include/exec/cpu-common.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
new file mode 100644
index 000000000..039d422bf
--- /dev/null
+++ b/include/exec/cpu-common.h
@@ -0,0 +1,113 @@
+#ifndef CPU_COMMON_H
+#define CPU_COMMON_H
+
+/* CPU interfaces that are target independent. */
+
+#ifndef CONFIG_USER_ONLY
+#include "exec/hwaddr.h"
+#endif
+
+/* The CPU list lock nests outside page_(un)lock or mmap_(un)lock */
+void qemu_init_cpu_list(void);
+void cpu_list_lock(void);
+void cpu_list_unlock(void);
+
+void tcg_flush_softmmu_tlb(CPUState *cs);
+
+void tcg_iommu_init_notifier_list(CPUState *cpu);
+void tcg_iommu_free_notifier_list(CPUState *cpu);
+
+#if !defined(CONFIG_USER_ONLY)
+
+enum device_endian {
+ DEVICE_NATIVE_ENDIAN,
+ DEVICE_BIG_ENDIAN,
+ DEVICE_LITTLE_ENDIAN,
+};
+
+#if defined(HOST_WORDS_BIGENDIAN)
+#define DEVICE_HOST_ENDIAN DEVICE_BIG_ENDIAN
+#else
+#define DEVICE_HOST_ENDIAN DEVICE_LITTLE_ENDIAN
+#endif
+
+/* 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 */
+
+void qemu_ram_remap(ram_addr_t addr, ram_addr_t length);
+/* This should not be used by devices. */
+ram_addr_t qemu_ram_addr_from_host(void *ptr);
+RAMBlock *qemu_ram_block_by_name(const char *name);
+RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset,
+ ram_addr_t *offset);
+ram_addr_t qemu_ram_block_host_offset(RAMBlock *rb, void *host);
+void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev);
+void qemu_ram_unset_idstr(RAMBlock *block);
+const char *qemu_ram_get_idstr(RAMBlock *rb);
+void *qemu_ram_get_host_addr(RAMBlock *rb);
+ram_addr_t qemu_ram_get_offset(RAMBlock *rb);
+ram_addr_t qemu_ram_get_used_length(RAMBlock *rb);
+ram_addr_t qemu_ram_get_max_length(RAMBlock *rb);
+bool qemu_ram_is_shared(RAMBlock *rb);
+bool qemu_ram_is_noreserve(RAMBlock *rb);
+bool qemu_ram_is_uf_zeroable(RAMBlock *rb);
+void qemu_ram_set_uf_zeroable(RAMBlock *rb);
+bool qemu_ram_is_migratable(RAMBlock *rb);
+void qemu_ram_set_migratable(RAMBlock *rb);
+void qemu_ram_unset_migratable(RAMBlock *rb);
+
+size_t qemu_ram_pagesize(RAMBlock *block);
+size_t qemu_ram_pagesize_largest(void);
+
+void cpu_physical_memory_rw(hwaddr addr, void *buf,
+ hwaddr len, bool is_write);
+static inline void cpu_physical_memory_read(hwaddr addr,
+ void *buf, hwaddr len)
+{
+ cpu_physical_memory_rw(addr, buf, len, false);
+}
+static inline void cpu_physical_memory_write(hwaddr addr,
+ const void *buf, hwaddr len)
+{
+ cpu_physical_memory_rw(addr, (void *)buf, len, true);
+}
+void *cpu_physical_memory_map(hwaddr addr,
+ hwaddr *plen,
+ bool is_write);
+void cpu_physical_memory_unmap(void *buffer, hwaddr len,
+ bool is_write, hwaddr access_len);
+void cpu_register_map_client(QEMUBH *bh);
+void cpu_unregister_map_client(QEMUBH *bh);
+
+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);
+
+void cpu_flush_icache_range(hwaddr start, hwaddr len);
+
+typedef int (RAMBlockIterFunc)(RAMBlock *rb, void *opaque);
+
+int qemu_ram_foreach_block(RAMBlockIterFunc func, void *opaque);
+int ram_block_discard_range(RAMBlock *rb, uint64_t start, size_t length);
+
+#endif
+
+/* vl.c */
+extern int singlestep;
+
+#endif /* CPU_COMMON_H */