X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=cpu-all.h;h=d50f5a2c6785a5596f63ff657b31d22bbd751e8a;hb=51a36cb2cb38bee2834de8add532cb66e4e6b884;hp=a2b62df907ffec33decbc53d47021815b643cc65;hpb=9acbed06053fc344feb4cd81f2523923c27c9277;p=qemu

diff --git a/cpu-all.h b/cpu-all.h
index a2b62df..d50f5a2 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -37,18 +37,99 @@
  * TARGET_WORDS_BIGENDIAN : same for target cpu
  */
 
-/* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */
+#include "bswap.h"
+
+#if defined(WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
+#define BSWAP_NEEDED
+#endif
+
+#ifdef BSWAP_NEEDED
+
+static inline uint16_t tswap16(uint16_t s)
+{
+    return bswap16(s);
+}
+
+static inline uint32_t tswap32(uint32_t s)
+{
+    return bswap32(s);
+}
+
+static inline uint64_t tswap64(uint64_t s)
+{
+    return bswap64(s);
+}
+
+static inline void tswap16s(uint16_t *s)
+{
+    *s = bswap16(*s);
+}
+
+static inline void tswap32s(uint32_t *s)
+{
+    *s = bswap32(*s);
+}
+
+static inline void tswap64s(uint64_t *s)
+{
+    *s = bswap64(*s);
+}
+
+#else
+
+static inline uint16_t tswap16(uint16_t s)
+{
+    return s;
+}
+
+static inline uint32_t tswap32(uint32_t s)
+{
+    return s;
+}
+
+static inline uint64_t tswap64(uint64_t s)
+{
+    return s;
+}
+
+static inline void tswap16s(uint16_t *s)
+{
+}
+
+static inline void tswap32s(uint32_t *s)
+{
+}
+
+static inline void tswap64s(uint64_t *s)
+{
+}
+
+#endif
+
+#if TARGET_LONG_SIZE == 4
+#define tswapl(s) tswap32(s)
+#define tswapls(s) tswap32s((uint32_t *)(s))
+#define bswaptls(s) bswap32s(s)
+#else
+#define tswapl(s) tswap64(s)
+#define tswapls(s) tswap64s((uint64_t *)(s))
+#define bswaptls(s) bswap64s(s)
+#endif
+
+/* NOTE: arm FPA is horrible as double 32 bit words are stored in big
+   endian ! */
 typedef union {
-    double d;
-#if !defined(WORDS_BIGENDIAN) && !defined(__arm__)
+    float64 d;
+#if defined(WORDS_BIGENDIAN) \
+    || (defined(__arm__) && !defined(__VFP_FP__) && !defined(CONFIG_SOFTFLOAT))
     struct {
-        uint32_t lower;
         uint32_t upper;
+        uint32_t lower;
     } l;
 #else
     struct {
-        uint32_t upper;
         uint32_t lower;
+        uint32_t upper;
     } l;
 #endif
     uint64_t ll;
@@ -56,17 +137,50 @@ typedef union {
 
 /* CPU memory access without any memory or io remapping */
 
-static inline int ldub_raw(void *ptr)
+/*
+ * the generic syntax for the memory accesses is:
+ *
+ * load: ld{type}{sign}{size}{endian}_{access_type}(ptr)
+ *
+ * store: st{type}{size}{endian}_{access_type}(ptr, val)
+ *
+ * type is:
+ * (empty): integer access
+ *   f    : float access
+ * 
+ * sign is:
+ * (empty): for floats or 32 bit size
+ *   u    : unsigned
+ *   s    : signed
+ *
+ * size is:
+ *   b: 8 bits
+ *   w: 16 bits
+ *   l: 32 bits
+ *   q: 64 bits
+ * 
+ * endian is:
+ * (empty): target cpu endianness or 8 bit access
+ *   r    : reversed target cpu endianness (not implemented yet)
+ *   be   : big endian (not implemented yet)
+ *   le   : little endian (not implemented yet)
+ *
+ * access_type is:
+ *   raw    : host memory access
+ *   user   : user mode access using soft MMU
+ *   kernel : kernel mode access using soft MMU
+ */
+static inline int ldub_p(void *ptr)
 {
     return *(uint8_t *)ptr;
 }
 
-static inline int ldsb_raw(void *ptr)
+static inline int ldsb_p(void *ptr)
 {
     return *(int8_t *)ptr;
 }
 
-static inline void stb_raw(void *ptr, int v)
+static inline void stb_p(void *ptr, int v)
 {
     *(uint8_t *)ptr = v;
 }
@@ -77,7 +191,7 @@ static inline void stb_raw(void *ptr, int v)
 #if !defined(TARGET_WORDS_BIGENDIAN) && (defined(WORDS_BIGENDIAN) || defined(WORDS_ALIGNED))
 
 /* conservative code for little endian unaligned accesses */
-static inline int lduw_raw(void *ptr)
+static inline int lduw_p(void *ptr)
 {
 #ifdef __powerpc__
     int val;
@@ -89,7 +203,7 @@ static inline int lduw_raw(void *ptr)
 #endif
 }
 
-static inline int ldsw_raw(void *ptr)
+static inline int ldsw_p(void *ptr)
 {
 #ifdef __powerpc__
     int val;
@@ -101,7 +215,7 @@ static inline int ldsw_raw(void *ptr)
 #endif
 }
 
-static inline int ldl_raw(void *ptr)
+static inline int ldl_p(void *ptr)
 {
 #ifdef __powerpc__
     int val;
@@ -113,16 +227,16 @@ static inline int ldl_raw(void *ptr)
 #endif
 }
 
-static inline uint64_t ldq_raw(void *ptr)
+static inline uint64_t ldq_p(void *ptr)
 {
     uint8_t *p = ptr;
     uint32_t v1, v2;
-    v1 = ldl_raw(p);
-    v2 = ldl_raw(p + 4);
+    v1 = ldl_p(p);
+    v2 = ldl_p(p + 4);
     return v1 | ((uint64_t)v2 << 32);
 }
 
-static inline void stw_raw(void *ptr, int v)
+static inline void stw_p(void *ptr, int v)
 {
 #ifdef __powerpc__
     __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*(uint16_t *)ptr) : "r" (v), "r" (ptr));
@@ -133,7 +247,7 @@ static inline void stw_raw(void *ptr, int v)
 #endif
 }
 
-static inline void stl_raw(void *ptr, int v)
+static inline void stl_p(void *ptr, int v)
 {
 #ifdef __powerpc__
     __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*(uint32_t *)ptr) : "r" (v), "r" (ptr));
@@ -146,201 +260,260 @@ static inline void stl_raw(void *ptr, int v)
 #endif
 }
 
-static inline void stq_raw(void *ptr, uint64_t v)
+static inline void stq_p(void *ptr, uint64_t v)
 {
     uint8_t *p = ptr;
-    stl_raw(p, (uint32_t)v);
-    stl_raw(p + 4, v >> 32);
+    stl_p(p, (uint32_t)v);
+    stl_p(p + 4, v >> 32);
 }
 
 /* float access */
 
-static inline float ldfl_raw(void *ptr)
+static inline float32 ldfl_p(void *ptr)
 {
     union {
-        float f;
+        float32 f;
         uint32_t i;
     } u;
-    u.i = ldl_raw(ptr);
+    u.i = ldl_p(ptr);
     return u.f;
 }
 
-static inline void stfl_raw(void *ptr, float v)
+static inline void stfl_p(void *ptr, float32 v)
 {
     union {
-        float f;
+        float32 f;
         uint32_t i;
     } u;
     u.f = v;
-    stl_raw(ptr, u.i);
+    stl_p(ptr, u.i);
 }
 
-static inline double ldfq_raw(void *ptr)
+static inline float64 ldfq_p(void *ptr)
 {
     CPU_DoubleU u;
-    u.l.lower = ldl_raw(ptr);
-    u.l.upper = ldl_raw(ptr + 4);
+    u.l.lower = ldl_p(ptr);
+    u.l.upper = ldl_p(ptr + 4);
     return u.d;
 }
 
-static inline void stfq_raw(void *ptr, double v)
+static inline void stfq_p(void *ptr, float64 v)
 {
     CPU_DoubleU u;
     u.d = v;
-    stl_raw(ptr, u.l.lower);
-    stl_raw(ptr + 4, u.l.upper);
+    stl_p(ptr, u.l.lower);
+    stl_p(ptr + 4, u.l.upper);
 }
 
 #elif defined(TARGET_WORDS_BIGENDIAN) && (!defined(WORDS_BIGENDIAN) || defined(WORDS_ALIGNED))
 
-static inline int lduw_raw(void *ptr)
+static inline int lduw_p(void *ptr)
 {
+#if defined(__i386__)
+    int val;
+    asm volatile ("movzwl %1, %0\n"
+                  "xchgb %b0, %h0\n"
+                  : "=q" (val)
+                  : "m" (*(uint16_t *)ptr));
+    return val;
+#else
     uint8_t *b = (uint8_t *) ptr;
-    return (b[0]<<8|b[1]);
+    return ((b[0] << 8) | b[1]);
+#endif
 }
 
-static inline int ldsw_raw(void *ptr)
+static inline int ldsw_p(void *ptr)
 {
-    int8_t *b = (int8_t *) ptr;
-    return (b[0]<<8|b[1]);
+#if defined(__i386__)
+    int val;
+    asm volatile ("movzwl %1, %0\n"
+                  "xchgb %b0, %h0\n"
+                  : "=q" (val)
+                  : "m" (*(uint16_t *)ptr));
+    return (int16_t)val;
+#else
+    uint8_t *b = (uint8_t *) ptr;
+    return (int16_t)((b[0] << 8) | b[1]);
+#endif
 }
 
-static inline int ldl_raw(void *ptr)
+static inline int ldl_p(void *ptr)
 {
+#if defined(__i386__) || defined(__x86_64__)
+    int val;
+    asm volatile ("movl %1, %0\n"
+                  "bswap %0\n"
+                  : "=r" (val)
+                  : "m" (*(uint32_t *)ptr));
+    return val;
+#else
     uint8_t *b = (uint8_t *) ptr;
-    return (b[0]<<24|b[1]<<16|b[2]<<8|b[3]);
+    return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3];
+#endif
 }
 
-static inline uint64_t ldq_raw(void *ptr)
+static inline uint64_t ldq_p(void *ptr)
 {
     uint32_t a,b;
-    a = ldl_raw(ptr);
-    b = ldl_raw(ptr+4);
+    a = ldl_p(ptr);
+    b = ldl_p(ptr+4);
     return (((uint64_t)a<<32)|b);
 }
 
-static inline void stw_raw(void *ptr, int v)
+static inline void stw_p(void *ptr, int v)
 {
+#if defined(__i386__)
+    asm volatile ("xchgb %b0, %h0\n"
+                  "movw %w0, %1\n"
+                  : "=q" (v)
+                  : "m" (*(uint16_t *)ptr), "0" (v));
+#else
     uint8_t *d = (uint8_t *) ptr;
     d[0] = v >> 8;
     d[1] = v;
+#endif
 }
 
-static inline void stl_raw(void *ptr, int v)
+static inline void stl_p(void *ptr, int v)
 {
+#if defined(__i386__) || defined(__x86_64__)
+    asm volatile ("bswap %0\n"
+                  "movl %0, %1\n"
+                  : "=r" (v)
+                  : "m" (*(uint32_t *)ptr), "0" (v));
+#else
     uint8_t *d = (uint8_t *) ptr;
     d[0] = v >> 24;
     d[1] = v >> 16;
     d[2] = v >> 8;
     d[3] = v;
+#endif
 }
 
-static inline void stq_raw(void *ptr, uint64_t v)
+static inline void stq_p(void *ptr, uint64_t v)
 {
-    stl_raw(ptr, v >> 32);
-    stl_raw(ptr + 4, v);
+    stl_p(ptr, v >> 32);
+    stl_p(ptr + 4, v);
 }
 
 /* float access */
 
-static inline float ldfl_raw(void *ptr)
+static inline float32 ldfl_p(void *ptr)
 {
     union {
-        float f;
+        float32 f;
         uint32_t i;
     } u;
-    u.i = ldl_raw(ptr);
+    u.i = ldl_p(ptr);
     return u.f;
 }
 
-static inline void stfl_raw(void *ptr, float v)
+static inline void stfl_p(void *ptr, float32 v)
 {
     union {
-        float f;
+        float32 f;
         uint32_t i;
     } u;
     u.f = v;
-    stl_raw(ptr, u.i);
+    stl_p(ptr, u.i);
 }
 
-static inline double ldfq_raw(void *ptr)
+static inline float64 ldfq_p(void *ptr)
 {
     CPU_DoubleU u;
-    u.l.upper = ldl_raw(ptr);
-    u.l.lower = ldl_raw(ptr + 4);
+    u.l.upper = ldl_p(ptr);
+    u.l.lower = ldl_p(ptr + 4);
     return u.d;
 }
 
-static inline void stfq_raw(void *ptr, double v)
+static inline void stfq_p(void *ptr, float64 v)
 {
     CPU_DoubleU u;
     u.d = v;
-    stl_raw(ptr, u.l.upper);
-    stl_raw(ptr + 4, u.l.lower);
+    stl_p(ptr, u.l.upper);
+    stl_p(ptr + 4, u.l.lower);
 }
 
 #else
 
-static inline int lduw_raw(void *ptr)
+static inline int lduw_p(void *ptr)
 {
     return *(uint16_t *)ptr;
 }
 
-static inline int ldsw_raw(void *ptr)
+static inline int ldsw_p(void *ptr)
 {
     return *(int16_t *)ptr;
 }
 
-static inline int ldl_raw(void *ptr)
+static inline int ldl_p(void *ptr)
 {
     return *(uint32_t *)ptr;
 }
 
-static inline uint64_t ldq_raw(void *ptr)
+static inline uint64_t ldq_p(void *ptr)
 {
     return *(uint64_t *)ptr;
 }
 
-static inline void stw_raw(void *ptr, int v)
+static inline void stw_p(void *ptr, int v)
 {
     *(uint16_t *)ptr = v;
 }
 
-static inline void stl_raw(void *ptr, int v)
+static inline void stl_p(void *ptr, int v)
 {
     *(uint32_t *)ptr = v;
 }
 
-static inline void stq_raw(void *ptr, uint64_t v)
+static inline void stq_p(void *ptr, uint64_t v)
 {
     *(uint64_t *)ptr = v;
 }
 
 /* float access */
 
-static inline float ldfl_raw(void *ptr)
+static inline float32 ldfl_p(void *ptr)
 {
-    return *(float *)ptr;
+    return *(float32 *)ptr;
 }
 
-static inline double ldfq_raw(void *ptr)
+static inline float64 ldfq_p(void *ptr)
 {
-    return *(double *)ptr;
+    return *(float64 *)ptr;
 }
 
-static inline void stfl_raw(void *ptr, float v)
+static inline void stfl_p(void *ptr, float32 v)
 {
-    *(float *)ptr = v;
+    *(float32 *)ptr = v;
 }
 
-static inline void stfq_raw(void *ptr, double v)
+static inline void stfq_p(void *ptr, float64 v)
 {
-    *(double *)ptr = v;
+    *(float64 *)ptr = v;
 }
 #endif
 
 /* MMU memory access macros */
 
+/* NOTE: we use double casts if pointers and target_ulong have
+   different sizes */
+#define ldub_raw(p) ldub_p((uint8_t *)(long)(p))
+#define ldsb_raw(p) ldsb_p((uint8_t *)(long)(p))
+#define lduw_raw(p) lduw_p((uint8_t *)(long)(p))
+#define ldsw_raw(p) ldsw_p((uint8_t *)(long)(p))
+#define ldl_raw(p) ldl_p((uint8_t *)(long)(p))
+#define ldq_raw(p) ldq_p((uint8_t *)(long)(p))
+#define ldfl_raw(p) ldfl_p((uint8_t *)(long)(p))
+#define ldfq_raw(p) ldfq_p((uint8_t *)(long)(p))
+#define stb_raw(p, v) stb_p((uint8_t *)(long)(p), v)
+#define stw_raw(p, v) stw_p((uint8_t *)(long)(p), v)
+#define stl_raw(p, v) stl_p((uint8_t *)(long)(p), v)
+#define stq_raw(p, v) stq_p((uint8_t *)(long)(p), v)
+#define stfl_raw(p, v) stfl_p((uint8_t *)(long)(p), v)
+#define stfq_raw(p, v) stfq_p((uint8_t *)(long)(p), v)
+
+
 #if defined(CONFIG_USER_ONLY) 
 
 /* if user mode, no other memory access functions */
@@ -387,12 +560,12 @@ static inline void stfq_raw(void *ptr, double v)
 #define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1)
 #define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK)
 
-extern unsigned long real_host_page_size;
-extern unsigned long host_page_bits;
-extern unsigned long host_page_size;
-extern unsigned long host_page_mask;
+extern unsigned long qemu_real_host_page_size;
+extern unsigned long qemu_host_page_bits;
+extern unsigned long qemu_host_page_size;
+extern unsigned long qemu_host_page_mask;
 
-#define HOST_PAGE_ALIGN(addr) (((addr) + host_page_size - 1) & host_page_mask)
+#define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask)
 
 /* same as PROT_xxx */
 #define PAGE_READ      0x0001
@@ -418,9 +591,7 @@ void page_unprotect_range(uint8_t *data, unsigned long data_size);
 #define cpu_init cpu_x86_init
 #define cpu_exec cpu_x86_exec
 #define cpu_gen_code cpu_x86_gen_code
-#define cpu_interrupt cpu_x86_interrupt
 #define cpu_signal_handler cpu_x86_signal_handler
-#define cpu_dump_state cpu_x86_dump_state
 
 #elif defined(TARGET_ARM)
 
@@ -428,9 +599,7 @@ void page_unprotect_range(uint8_t *data, unsigned long data_size);
 #define cpu_init cpu_arm_init
 #define cpu_exec cpu_arm_exec
 #define cpu_gen_code cpu_arm_gen_code
-#define cpu_interrupt cpu_arm_interrupt
 #define cpu_signal_handler cpu_arm_signal_handler
-#define cpu_dump_state cpu_arm_dump_state
 
 #elif defined(TARGET_SPARC)
 
@@ -438,9 +607,7 @@ void page_unprotect_range(uint8_t *data, unsigned long data_size);
 #define cpu_init cpu_sparc_init
 #define cpu_exec cpu_sparc_exec
 #define cpu_gen_code cpu_sparc_gen_code
-#define cpu_interrupt cpu_sparc_interrupt
 #define cpu_signal_handler cpu_sparc_signal_handler
-#define cpu_dump_state cpu_sparc_dump_state
 
 #elif defined(TARGET_PPC)
 
@@ -448,9 +615,14 @@ void page_unprotect_range(uint8_t *data, unsigned long data_size);
 #define cpu_init cpu_ppc_init
 #define cpu_exec cpu_ppc_exec
 #define cpu_gen_code cpu_ppc_gen_code
-#define cpu_interrupt cpu_ppc_interrupt
 #define cpu_signal_handler cpu_ppc_signal_handler
-#define cpu_dump_state cpu_ppc_dump_state
+
+#elif defined(TARGET_MIPS)
+#define CPUState CPUMIPSState
+#define cpu_init cpu_mips_init
+#define cpu_exec cpu_mips_exec
+#define cpu_gen_code cpu_mips_gen_code
+#define cpu_signal_handler cpu_mips_signal_handler
 
 #else
 
@@ -460,7 +632,9 @@ void page_unprotect_range(uint8_t *data, unsigned long data_size);
 
 #endif /* SINGLE_CPU_DEFINES */
 
-#define DEFAULT_GDBSTUB_PORT 1234
+void cpu_dump_state(CPUState *env, FILE *f, 
+                    int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
+                    int flags);
 
 void cpu_abort(CPUState *env, const char *fmt, ...);
 extern CPUState *cpu_single_env;
@@ -469,20 +643,42 @@ extern int code_copy_enabled;
 #define CPU_INTERRUPT_EXIT   0x01 /* wants exit from main loop */
 #define CPU_INTERRUPT_HARD   0x02 /* hardware interrupt pending */
 #define CPU_INTERRUPT_EXITTB 0x04 /* exit the current TB (use for x86 a20 case) */
+#define CPU_INTERRUPT_TIMER  0x08 /* internal timer exception pending */
 void cpu_interrupt(CPUState *s, int mask);
+void cpu_reset_interrupt(CPUState *env, int mask);
 
-int cpu_breakpoint_insert(CPUState *env, uint32_t pc);
-int cpu_breakpoint_remove(CPUState *env, uint32_t pc);
+int cpu_breakpoint_insert(CPUState *env, target_ulong pc);
+int cpu_breakpoint_remove(CPUState *env, target_ulong pc);
 void cpu_single_step(CPUState *env, int enabled);
+void cpu_reset(CPUState *s);
 
 /* Return the physical page corresponding to a virtual one. Use it
    only for debugging because no protection checks are done. Return -1
    if no page found. */
 target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr);
 
-#define CPU_LOG_ALL 1
+#define CPU_LOG_TB_OUT_ASM (1 << 0) 
+#define CPU_LOG_TB_IN_ASM  (1 << 1)
+#define CPU_LOG_TB_OP      (1 << 2)
+#define CPU_LOG_TB_OP_OPT  (1 << 3)
+#define CPU_LOG_INT        (1 << 4)
+#define CPU_LOG_EXEC       (1 << 5)
+#define CPU_LOG_PCALL      (1 << 6)
+#define CPU_LOG_IOPORT     (1 << 7)
+#define CPU_LOG_TB_CPU     (1 << 8)
+
+/* define log items */
+typedef struct CPULogItem {
+    int mask;
+    const char *name;
+    const char *help;
+} CPULogItem;
+
+extern CPULogItem cpu_log_items[];
+
 void cpu_set_log(int log_flags);
 void cpu_set_log_filename(const char *filename);
+int cpu_str_to_log_mask(const char *str);
 
 /* IO ports API */
 
@@ -515,37 +711,61 @@ extern uint8_t *phys_ram_dirty;
 #define IO_MEM_CODE        (3 << IO_MEM_SHIFT) /* used internally, never use directly */
 #define IO_MEM_NOTDIRTY    (4 << IO_MEM_SHIFT) /* used internally, never use directly */
 
-/* NOTE: vaddr is only used internally. Never use it except if you know what you do */
-typedef void CPUWriteMemoryFunc(uint32_t addr, uint32_t value, uint32_t vaddr);
-typedef uint32_t CPUReadMemoryFunc(uint32_t addr);
+typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value);
+typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr);
 
-void cpu_register_physical_memory(unsigned long start_addr, unsigned long size,
-                                  long phys_offset);
+void cpu_register_physical_memory(target_phys_addr_t start_addr, 
+                                  unsigned long size,
+                                  unsigned long phys_offset);
 int cpu_register_io_memory(int io_index,
                            CPUReadMemoryFunc **mem_read,
-                           CPUWriteMemoryFunc **mem_write);
+                           CPUWriteMemoryFunc **mem_write,
+                           void *opaque);
+CPUWriteMemoryFunc **cpu_get_io_memory_write(int io_index);
+CPUReadMemoryFunc **cpu_get_io_memory_read(int io_index);
 
-void cpu_physical_memory_rw(CPUState *env, uint8_t *buf, target_ulong addr, 
+void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
                             int len, int is_write);
-int cpu_memory_rw_debug(CPUState *env, 
-                        uint8_t *buf, target_ulong addr, int len, int is_write);
+static inline void cpu_physical_memory_read(target_phys_addr_t addr, 
+                                            uint8_t *buf, int len)
+{
+    cpu_physical_memory_rw(addr, buf, len, 0);
+}
+static inline void cpu_physical_memory_write(target_phys_addr_t addr, 
+                                             const uint8_t *buf, int len)
+{
+    cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1);
+}
+uint32_t ldl_phys(target_phys_addr_t addr);
+void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val);
+void stl_phys(target_phys_addr_t addr, uint32_t val);
+
+int cpu_memory_rw_debug(CPUState *env, target_ulong addr, 
+                        uint8_t *buf, int len, int is_write);
+
+#define VGA_DIRTY_FLAG 0x01
 
 /* read dirty bit (return 0 or 1) */
 static inline int cpu_physical_memory_is_dirty(target_ulong addr)
 {
-    return phys_ram_dirty[addr >> TARGET_PAGE_BITS];
+    return phys_ram_dirty[addr >> TARGET_PAGE_BITS] == 0xff;
+}
+
+static inline int cpu_physical_memory_get_dirty(target_ulong addr, 
+                                                int dirty_flags)
+{
+    return phys_ram_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags;
 }
 
 static inline void cpu_physical_memory_set_dirty(target_ulong addr)
 {
-    phys_ram_dirty[addr >> TARGET_PAGE_BITS] = 1;
+    phys_ram_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
 }
 
-void cpu_physical_memory_reset_dirty(target_ulong start, target_ulong end);
+void cpu_physical_memory_reset_dirty(target_ulong start, target_ulong end,
+                                     int dirty_flags);
 
-/* gdb stub API */
-extern int gdbstub_fd;
-CPUState *cpu_gdbstub_get_env(void *opaque);
-int cpu_gdbstub(void *opaque, int (*main_loop)(void *opaque), int port);
+void dump_exec_info(FILE *f,
+                    int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
 
 #endif /* CPU_ALL_H */