added CPU_COMMON and CPUState.tb_jmp_cache[]

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1630 c046a42c-6fe2-441c-8c8c-71466251a162

added CPU_COMMON and CPUState.tb_jmp_cache[]
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1630 c046a42c-6fe2-441c-8c8c-71466251a162
bellard
1 parent 6e256c93
Showing 6 changed files with 38 additions and 91 deletions
cpu-defs.h
target-arm/cpu.h
target-i386/cpu.h
target-mips/cpu.h
target-ppc/cpu.h
target-sparc/cpu.h
@@ -77,6 +77,9 @@ typedef unsigned long ram_addr_t;
  
 #define MAX_BREAKPOINTS 32
  
+#define TB_JMP_CACHE_BITS 12
+#define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS)
+
 #define CPU_TLB_SIZE 256
  
 typedef struct CPUTLBEntry {
@@ -91,4 +94,30 @@ typedef struct CPUTLBEntry {
     target_phys_addr_t addend; 
 } CPUTLBEntry;
  
+#define CPU_COMMON                                                      \
+    struct TranslationBlock *current_tb; /* currently executing TB  */  \
+    /* soft mmu support */                                              \
+    /* in order to avoid passing too many arguments to the memory       \
+       write helpers, we store some rarely used information in the CPU  \
+       context) */                                                      \
+    unsigned long mem_write_pc; /* host pc at which the memory was      \
+                                   written */                           \
+    target_ulong mem_write_vaddr; /* target virtual addr at which the   \
+                                     memory was written */              \
+    /* 0 = kernel, 1 = user */                                          \
+    CPUTLBEntry tlb_read[2][CPU_TLB_SIZE];                              \
+    CPUTLBEntry tlb_write[2][CPU_TLB_SIZE];                             \
+    struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE];           \
+                                                                        \
+    /* from this point: preserved by CPU reset */                       \
+    /* ice debug support */                                             \
+    target_ulong breakpoints[MAX_BREAKPOINTS];                          \
+    int nb_breakpoints;                                                 \
+    int singlestep_enabled;                                             \
+                                                                        \
+    /* user data */                                                     \
+    void *opaque;
+
+
+
 #endif
@@ -60,22 +60,9 @@ typedef struct CPUARMState {
     jmp_buf jmp_env;
     int exception_index;
     int interrupt_request;
-    struct TranslationBlock *current_tb;
     int user_mode_only;
     uint32_t address;
  
-    /* ICE debug support.  */
-    target_ulong breakpoints[MAX_BREAKPOINTS];
-    int nb_breakpoints;
-    int singlestep_enabled;
-
-    /* in order to avoid passing too many arguments to the memory
-       write helpers, we store some rarely used information in the CPU
-       context) */
-    unsigned long mem_write_pc; /* host pc at which the memory was
-                                   written */
-    unsigned long mem_write_vaddr; /* target virtual addr at which the
-                                      memory was written */
     /* VFP coprocessor state.  */
     struct {
         float64 regs[16];
@@ -93,8 +80,8 @@ typedef struct CPUARMState {
         float_status fp_status;
     } vfp;
  
-    /* user data */
-    void *opaque;
+    CPU_COMMON
+
 } CPUARMState;
  
 CPUARMState *cpu_arm_init(void);
@@ -497,28 +497,11 @@ typedef struct CPUX86State {
     int error_code;
     int exception_is_int;
     target_ulong exception_next_eip;
-    struct TranslationBlock *current_tb; /* currently executing TB */
     target_ulong dr[8]; /* debug registers */
     int interrupt_request; 
     int user_mode_only; /* user mode only simulation */
  
-    /* soft mmu support */
-    /* in order to avoid passing too many arguments to the memory
-       write helpers, we store some rarely used information in the CPU
-       context) */
-    unsigned long mem_write_pc; /* host pc at which the memory was
-                                   written */
-    target_ulong mem_write_vaddr; /* target virtual addr at which the
-                                     memory was written */
-    /* 0 = kernel, 1 = user */
-    CPUTLBEntry tlb_read[2][CPU_TLB_SIZE];
-    CPUTLBEntry tlb_write[2][CPU_TLB_SIZE];
-    
-    /* from this point: preserved by CPU reset */
-    /* ice debug support */
-    target_ulong breakpoints[MAX_BREAKPOINTS];
-    int nb_breakpoints;
-    int singlestep_enabled;
+    CPU_COMMON
  
     /* processor features (e.g. for CPUID insn) */
     uint32_t cpuid_level;
@@ -538,8 +521,6 @@ typedef struct CPUX86State {
     /* in order to simplify APIC support, we leave this pointer to the
        user */
     struct APICState *apic_state;
-    /* user data */
-    void *opaque;
 } CPUX86State;
  
 CPUX86State *cpu_x86_init(void);
@@ -162,24 +162,8 @@ struct CPUMIPSState {
 #define MIPS_HFLAG_BR     0x0800 /* branch to register (can't link TB) */
     target_ulong btarget;        /* Jump / branch target               */
     int bcond;                   /* Branch condition (if needed)       */
-    struct TranslationBlock *current_tb; /* currently executing TB  */
-    /* soft mmu support */
-    /* in order to avoid passing too many arguments to the memory
-       write helpers, we store some rarely used information in the CPU
-       context) */
-    target_ulong mem_write_pc; /* host pc at which the memory was
-                                   written */
-    unsigned long mem_write_vaddr; /* target virtual addr at which the
-                                      memory was written */
-    /* 0 = kernel, 1 = user (may have 2 = kernel code, 3 = user code ?) */
-    CPUTLBEntry tlb_read[2][CPU_TLB_SIZE];
-    CPUTLBEntry tlb_write[2][CPU_TLB_SIZE];
-    /* ice debug support */
-    target_ulong breakpoints[MAX_BREAKPOINTS];
-    int nb_breakpoints;
-    int singlestep_enabled; /* XXX: should use CPU single step mode instead */
-    /* user data */
-    void *opaque;
+
+    CPU_COMMON
 };
  
 #include "cpu-all.h"
@@ -493,19 +493,10 @@ struct CPUPPCState {
     /* floating point status and control register */
     uint8_t fpscr[8];
  
-    /* soft mmu support */
-    /* 0 = kernel, 1 = user (may have 2 = kernel code, 3 = user code ?) */
-    CPUTLBEntry tlb_read[2][CPU_TLB_SIZE];
-    CPUTLBEntry tlb_write[2][CPU_TLB_SIZE];
+    CPU_COMMON
+
     int access_type; /* when a memory exception occurs, the access
                         type is stored here */
-    /* in order to avoid passing too many arguments to the memory
-       write helpers, we store some rarely used information in the CPU
-       context) */
-    unsigned long mem_write_pc; /* host pc at which the memory was
-                                   written */
-    unsigned long mem_write_vaddr; /* target virtual addr at which the
-                                      memory was written */
  
     /* MMU context */
     /* Address space register */
@@ -564,22 +555,13 @@ struct CPUPPCState {
     /* Those resources are used only in Qemu core */
     jmp_buf jmp_env;
     int user_mode_only; /* user mode only simulation */
-    struct TranslationBlock *current_tb; /* currently executing TB */
     uint32_t hflags;
  
-    /* ice debug support */
-    target_ulong breakpoints[MAX_BREAKPOINTS];
-    int nb_breakpoints;
-    int singlestep_enabled; /* XXX: should use CPU single step mode instead */
-
     /* Power management */
     int power_mode;
  
     /* temporary hack to handle OSI calls (only used if non NULL) */
     int (*osi_call)(struct CPUPPCState *env);
-
-    /* user data */
-    void *opaque;
 };
  
 /*****************************************************************************/
@@ -166,21 +166,11 @@ typedef struct CPUSPARCState {
     int exception_index;
     int interrupt_index;
     int interrupt_request;
-    struct TranslationBlock *current_tb;
-    void *opaque;
     /* NOTE: we allow 8 more registers to handle wrapping */
     target_ulong regbase[NWINDOWS * 16 + 8];
  
-    /* in order to avoid passing too many arguments to the memory
-       write helpers, we store some rarely used information in the CPU
-       context) */
-    unsigned long mem_write_pc; /* host pc at which the memory was
-                                   written */
-    target_ulong mem_write_vaddr; /* target virtual addr at which the
-                                      memory was written */
-    /* 0 = kernel, 1 = user (may have 2 = kernel code, 3 = user code ?) */
-    CPUTLBEntry tlb_read[2][CPU_TLB_SIZE];
-    CPUTLBEntry tlb_write[2][CPU_TLB_SIZE];
+    CPU_COMMON
+
     /* MMU regs */
 #if defined(TARGET_SPARC64)
     uint64_t lsu;
@@ -222,12 +212,6 @@ typedef struct CPUSPARCState {
 #if !defined(TARGET_SPARC64) && !defined(reg_T2)
     target_ulong t2;
 #endif
-
-    /* ice debug support */
-    target_ulong breakpoints[MAX_BREAKPOINTS];
-    int nb_breakpoints;
-    int singlestep_enabled; /* XXX: should use CPU single step mode instead */
-
 } CPUSPARCState;
 #if defined(TARGET_SPARC64)
 #define GET_FSR32(env) (env->fsr & 0xcfc1ffff)