#else
#define MAX_OPC_PARAM_PER_ARG 1
#endif
-#define MAX_OPC_PARAM_IARGS 4
+#define MAX_OPC_PARAM_IARGS 5
#define MAX_OPC_PARAM_OARGS 1
#define MAX_OPC_PARAM_ARGS (MAX_OPC_PARAM_IARGS + MAX_OPC_PARAM_OARGS)
int *gen_code_size_ptr);
int cpu_restore_state(struct TranslationBlock *tb,
CPUArchState *env, uintptr_t searched_pc);
-void cpu_resume_from_signal(CPUArchState *env1, void *puc);
-void cpu_io_recompile(CPUArchState *env, void *retaddr);
+void QEMU_NORETURN cpu_resume_from_signal(CPUArchState *env1, void *puc);
+void QEMU_NORETURN cpu_io_recompile(CPUArchState *env, uintptr_t retaddr);
TranslationBlock *tb_gen_code(CPUArchState *env,
target_ulong pc, target_ulong cs_base, int flags,
int cflags);
int page_unprotect(target_ulong address, uintptr_t pc, void *puc);
void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
int is_cpu_write_access);
+void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end,
+ int is_cpu_write_access);
+#if !defined(CONFIG_USER_ONLY)
+/* cputlb.c */
void tlb_flush_page(CPUArchState *env, target_ulong addr);
void tlb_flush(CPUArchState *env, int flush_global);
-#if !defined(CONFIG_USER_ONLY)
void tlb_set_page(CPUArchState *env, target_ulong vaddr,
- target_phys_addr_t paddr, int prot,
+ hwaddr paddr, int prot,
int mmu_idx, target_ulong size);
+void tb_invalidate_phys_addr(hwaddr addr);
+#else
+static inline void tlb_flush_page(CPUArchState *env, target_ulong addr)
+{
+}
+
+static inline void tlb_flush(CPUArchState *env, int flush_global)
+{
+}
#endif
#define CODE_GEN_ALIGN 16 /* must be >= of the size of a icache line */
#define CODE_GEN_PHYS_HASH_BITS 15
#define CODE_GEN_PHYS_HASH_SIZE (1 << CODE_GEN_PHYS_HASH_BITS)
-#define MIN_CODE_GEN_BUFFER_SIZE (1024 * 1024)
-
/* estimated block size for TB allocation */
/* XXX: use a per code average code fragment size and modulate it
according to the host CPU */
#define CODE_GEN_AVG_BLOCK_SIZE 64
#endif
-#if defined(_ARCH_PPC) || defined(__x86_64__) || defined(__arm__) || defined(__i386__)
-#define USE_DIRECT_JUMP
-#elif defined(CONFIG_TCG_INTERPRETER)
+#if defined(__arm__) || defined(_ARCH_PPC) \
+ || defined(__x86_64__) || defined(__i386__) \
+ || defined(__sparc__) \
+ || defined(CONFIG_TCG_INTERPRETER)
#define USE_DIRECT_JUMP
#endif
void tb_free(TranslationBlock *tb);
void tb_flush(CPUArchState *env);
-void tb_link_page(TranslationBlock *tb,
- tb_page_addr_t phys_pc, tb_page_addr_t phys_page2);
void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr);
extern TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE];
__asm __volatile__ ("swi 0x9f0002" : : "r" (_beg), "r" (_end), "r" (_flg));
#endif
}
+#elif defined(__sparc__)
+void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr);
#else
#error tb_set_jmp_target1 is missing
#endif
#if defined(CONFIG_TCG_INTERPRETER)
/* Alpha and SH4 user mode emulations and Softmmu call GETPC().
For all others, GETPC remains undefined (which makes TCI a little faster. */
-# if defined(CONFIG_SOFTMMU) || defined(TARGET_ALPHA) || defined(TARGET_SH4)
-extern void *tci_tb_ptr;
+# if defined(CONFIG_SOFTMMU) || defined(TARGET_ALPHA) || defined(TARGET_SH4) \
+ || defined(TARGET_SPARC)
+extern uintptr_t tci_tb_ptr;
# define GETPC() tci_tb_ptr
# endif
#elif defined(__s390__) && !defined(__s390x__)
# define GETPC() \
- ((void *)(((uintptr_t)__builtin_return_address(0) & 0x7fffffffUL) - 1))
+ (((uintptr_t)__builtin_return_address(0) & 0x7fffffffUL) - 1)
#elif defined(__arm__)
/* Thumb return addresses have the low bit set, so we need to subtract two.
This is still safe in ARM mode because instructions are 4 bytes. */
-# define GETPC() ((void *)((uintptr_t)__builtin_return_address(0) - 2))
+# define GETPC() ((uintptr_t)__builtin_return_address(0) - 2)
+#else
+# define GETPC() ((uintptr_t)__builtin_return_address(0) - 1)
+#endif
+
+#if defined(CONFIG_QEMU_LDST_OPTIMIZATION) && defined(CONFIG_SOFTMMU)
+/* qemu_ld/st optimization split code generation to fast and slow path, thus,
+ it needs special handling for an MMU helper which is called from the slow
+ path, to get the fast path's pc without any additional argument.
+ It uses a tricky solution which embeds the fast path pc into the slow path.
+
+ Code flow in slow path:
+ (1) pre-process
+ (2) call MMU helper
+ (3) jump to (5)
+ (4) fast path information (implementation specific)
+ (5) post-process (e.g. stack adjust)
+ (6) jump to corresponding code of the next of fast path
+ */
+# if defined(__i386__) || defined(__x86_64__)
+/* To avoid broken disassembling, long jmp is used for embedding fast path pc,
+ so that the destination is the next code of fast path, though this jmp is
+ never executed.
+
+ call MMU helper
+ jmp POST_PROC (2byte) <- GETRA()
+ jmp NEXT_CODE (5byte)
+ POST_PROCESS ... <- GETRA() + 7
+ */
+# define GETRA() ((uintptr_t)__builtin_return_address(0))
+# define GETPC_LDST() ((uintptr_t)(GETRA() + 7 + \
+ *(int32_t *)((void *)GETRA() + 3) - 1))
+# else
+# error "CONFIG_QEMU_LDST_OPTIMIZATION needs GETPC_LDST() implementation!"
+# endif
+bool is_tcg_gen_code(uintptr_t pc_ptr);
+# define GETPC_EXT() (is_tcg_gen_code(GETRA()) ? GETPC_LDST() : GETPC())
#else
-# define GETPC() ((void *)((uintptr_t)__builtin_return_address(0) - 1))
+# define GETPC_EXT() GETPC()
#endif
#if !defined(CONFIG_USER_ONLY)
-struct MemoryRegion *iotlb_to_region(target_phys_addr_t index);
-uint64_t io_mem_read(struct MemoryRegion *mr, target_phys_addr_t addr,
+struct MemoryRegion *iotlb_to_region(hwaddr index);
+uint64_t io_mem_read(struct MemoryRegion *mr, hwaddr addr,
unsigned size);
-void io_mem_write(struct MemoryRegion *mr, target_phys_addr_t addr,
+void io_mem_write(struct MemoryRegion *mr, hwaddr addr,
uint64_t value, unsigned size);
void tlb_fill(CPUArchState *env1, target_ulong addr, int is_write, int mmu_idx,
- void *retaddr);
+ uintptr_t retaddr);
#include "softmmu_defs.h"
#define ACCESS_TYPE (NB_MMU_MODES + 1)
#define MEMSUFFIX _code
-#ifndef CONFIG_TCG_PASS_AREG0
-#define env cpu_single_env
-#endif
#define DATA_SIZE 1
#include "softmmu_header.h"
#undef ACCESS_TYPE
#undef MEMSUFFIX
-#undef env
#endif
return addr;
}
#else
+/* cputlb.c */
tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr);
#endif
typedef void (CPUDebugExcpHandler)(CPUArchState *env);
-CPUDebugExcpHandler *cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler);
+void cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler);
/* vl.c */
extern int singlestep;
projects / qemu.git / blobdiff