* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+
+#ifndef TCG_H
+#define TCG_H
+
#include "qemu-common.h"
#include "tcg-target.h"
#endif
} TCGType;
+/* Constants for qemu_ld and qemu_st for the Memory Operation field. */
+typedef enum TCGMemOp {
+ MO_8 = 0,
+ MO_16 = 1,
+ MO_32 = 2,
+ MO_64 = 3,
+ MO_SIZE = 3, /* Mask for the above. */
+
+ MO_SIGN = 4, /* Sign-extended, otherwise zero-extended. */
+
+ MO_BSWAP = 8, /* Host reverse endian. */
+#ifdef HOST_WORDS_BIGENDIAN
+ MO_LE = MO_BSWAP,
+ MO_BE = 0,
+#else
+ MO_LE = 0,
+ MO_BE = MO_BSWAP,
+#endif
+#ifdef TARGET_WORDS_BIGENDIAN
+ MO_TE = MO_BE,
+#else
+ MO_TE = MO_LE,
+#endif
+
+ /* Combinations of the above, for ease of use. */
+ MO_UB = MO_8,
+ MO_UW = MO_16,
+ MO_UL = MO_32,
+ MO_SB = MO_SIGN | MO_8,
+ MO_SW = MO_SIGN | MO_16,
+ MO_SL = MO_SIGN | MO_32,
+ MO_Q = MO_64,
+
+ MO_LEUW = MO_LE | MO_UW,
+ MO_LEUL = MO_LE | MO_UL,
+ MO_LESW = MO_LE | MO_SW,
+ MO_LESL = MO_LE | MO_SL,
+ MO_LEQ = MO_LE | MO_Q,
+
+ MO_BEUW = MO_BE | MO_UW,
+ MO_BEUL = MO_BE | MO_UL,
+ MO_BESW = MO_BE | MO_SW,
+ MO_BESL = MO_BE | MO_SL,
+ MO_BEQ = MO_BE | MO_Q,
+
+ MO_TEUW = MO_TE | MO_UW,
+ MO_TEUL = MO_TE | MO_UL,
+ MO_TESW = MO_TE | MO_SW,
+ MO_TESL = MO_TE | MO_SL,
+ MO_TEQ = MO_TE | MO_Q,
+
+ MO_SSIZE = MO_SIZE | MO_SIGN,
+} TCGMemOp;
+
typedef tcg_target_ulong TCGArg;
/* Define a type and accessor macros for variables. Using a struct is
are aliases for target_ulong and host pointer sized values respectively.
*/
-#if defined(CONFIG_QEMU_LDST_OPTIMIZATION) && defined(CONFIG_SOFTMMU)
-/* Macros/structures for qemu_ld/st IR code optimization:
- TCG_MAX_HELPER_LABELS is defined as same as OPC_BUF_SIZE in exec-all.h. */
-#define TCG_MAX_QEMU_LDST 640
-
-typedef struct TCGLabelQemuLdst {
- int is_ld:1; /* qemu_ld: 1, qemu_st: 0 */
- int opc:4;
- int addrlo_reg; /* reg index for low word of guest virtual addr */
- int addrhi_reg; /* reg index for high word of guest virtual addr */
- int datalo_reg; /* reg index for low word to be loaded or stored */
- int datahi_reg; /* reg index for high word to be loaded or stored */
- int mem_index; /* soft MMU memory index */
- uint8_t *raddr; /* gen code addr of the next IR of qemu_ld/st IR */
- uint8_t *label_ptr[2]; /* label pointers to be updated */
-} TCGLabelQemuLdst;
-#endif
-
#ifdef CONFIG_DEBUG_TCG
#define DEBUG_TCGV 1
#endif
const char *name;
} TCGTemp;
-typedef struct TCGHelperInfo {
- tcg_target_ulong func;
- const char *name;
-} TCGHelperInfo;
-
typedef struct TCGContext TCGContext;
struct TCGContext {
uint8_t *code_ptr;
TCGTemp temps[TCG_MAX_TEMPS]; /* globals first, temps after */
- TCGHelperInfo *helpers;
- int nb_helpers;
- int allocated_helpers;
- int helpers_sorted;
+ GHashTable *helpers;
#ifdef CONFIG_PROFILER
/* profiling info */
TBContext tb_ctx;
-#if defined(CONFIG_QEMU_LDST_OPTIMIZATION) && defined(CONFIG_SOFTMMU)
- /* labels info for qemu_ld/st IRs
- The labels help to generate TLB miss case codes at the end of TB */
- TCGLabelQemuLdst *qemu_ldst_labels;
- int nb_qemu_ldst_labels;
-#endif
+ /* The TCGBackendData structure is private to tcg-target.c. */
+ struct TCGBackendData *be;
};
extern TCGContext tcg_ctx;
TCGOpDef *tcg_op_def);
/* only used for debugging purposes */
-void tcg_register_helper(void *func, const char *name);
-const char *tcg_helper_get_name(TCGContext *s, void *func);
void tcg_dump_ops(TCGContext *s);
void dump_ops(const uint16_t *opc_buf, const TCGArg *opparam_buf);
void tcg_register_jit(void *buf, size_t buf_size);
-#if defined(CONFIG_QEMU_LDST_OPTIMIZATION) && defined(CONFIG_SOFTMMU)
-/* Generate TB finalization at the end of block */
-void tcg_out_tb_finalize(TCGContext *s);
+/*
+ * Memory helpers that will be used by TCG generated code.
+ */
+#ifdef CONFIG_SOFTMMU
+/* Value zero-extended to tcg register size. */
+tcg_target_ulong helper_ret_ldub_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+tcg_target_ulong helper_le_lduw_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+tcg_target_ulong helper_le_ldul_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+uint64_t helper_le_ldq_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+tcg_target_ulong helper_be_lduw_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+tcg_target_ulong helper_be_ldul_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+uint64_t helper_be_ldq_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+
+/* Value sign-extended to tcg register size. */
+tcg_target_ulong helper_ret_ldsb_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+tcg_target_ulong helper_le_ldsw_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+tcg_target_ulong helper_le_ldsl_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+tcg_target_ulong helper_be_ldsw_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+tcg_target_ulong helper_be_ldsl_mmu(CPUArchState *env, target_ulong addr,
+ int mmu_idx, uintptr_t retaddr);
+
+void helper_ret_stb_mmu(CPUArchState *env, target_ulong addr, uint8_t val,
+ int mmu_idx, uintptr_t retaddr);
+void helper_le_stw_mmu(CPUArchState *env, target_ulong addr, uint16_t val,
+ int mmu_idx, uintptr_t retaddr);
+void helper_le_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
+ int mmu_idx, uintptr_t retaddr);
+void helper_le_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
+ int mmu_idx, uintptr_t retaddr);
+void helper_be_stw_mmu(CPUArchState *env, target_ulong addr, uint16_t val,
+ int mmu_idx, uintptr_t retaddr);
+void helper_be_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
+ int mmu_idx, uintptr_t retaddr);
+void helper_be_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
+ int mmu_idx, uintptr_t retaddr);
+
+/* Temporary aliases until backends are converted. */
+#ifdef TARGET_WORDS_BIGENDIAN
+# define helper_ret_ldsw_mmu helper_be_ldsw_mmu
+# define helper_ret_lduw_mmu helper_be_lduw_mmu
+# define helper_ret_ldsl_mmu helper_be_ldsl_mmu
+# define helper_ret_ldul_mmu helper_be_ldul_mmu
+# define helper_ret_ldq_mmu helper_be_ldq_mmu
+# define helper_ret_stw_mmu helper_be_stw_mmu
+# define helper_ret_stl_mmu helper_be_stl_mmu
+# define helper_ret_stq_mmu helper_be_stq_mmu
+#else
+# define helper_ret_ldsw_mmu helper_le_ldsw_mmu
+# define helper_ret_lduw_mmu helper_le_lduw_mmu
+# define helper_ret_ldsl_mmu helper_le_ldsl_mmu
+# define helper_ret_ldul_mmu helper_le_ldul_mmu
+# define helper_ret_ldq_mmu helper_le_ldq_mmu
+# define helper_ret_stw_mmu helper_le_stw_mmu
+# define helper_ret_stl_mmu helper_le_stl_mmu
+# define helper_ret_stq_mmu helper_le_stq_mmu
#endif
+
+uint8_t helper_ldb_mmu(CPUArchState *env, target_ulong addr, int mmu_idx);
+uint16_t helper_ldw_mmu(CPUArchState *env, target_ulong addr, int mmu_idx);
+uint32_t helper_ldl_mmu(CPUArchState *env, target_ulong addr, int mmu_idx);
+uint64_t helper_ldq_mmu(CPUArchState *env, target_ulong addr, int mmu_idx);
+
+void helper_stb_mmu(CPUArchState *env, target_ulong addr,
+ uint8_t val, int mmu_idx);
+void helper_stw_mmu(CPUArchState *env, target_ulong addr,
+ uint16_t val, int mmu_idx);
+void helper_stl_mmu(CPUArchState *env, target_ulong addr,
+ uint32_t val, int mmu_idx);
+void helper_stq_mmu(CPUArchState *env, target_ulong addr,
+ uint64_t val, int mmu_idx);
+#endif /* CONFIG_SOFTMMU */
+
+#endif /* TCG_H */
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