* TARGET_WORDS_BIGENDIAN : same for target cpu
*/
+#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))
+#else
+#define tswapl(s) tswap64(s)
+#define tswapls(s) tswap64s((uint64_t *)(s))
+#endif
+
/* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */
typedef union {
double d;
/* CPU memory access without any memory or io remapping */
+/*
+ * 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_raw(void *ptr)
{
return *(uint8_t *)ptr;
static inline int lduw_raw(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)
{
- 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)
{
+#if defined(__i386__)
+ 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 void stw_raw(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)
{
+#if defined(__i386__)
+ 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)
#endif /* SINGLE_CPU_DEFINES */
-#define DEFAULT_GDBSTUB_PORT 1234
-
void cpu_abort(CPUState *env, const char *fmt, ...);
extern CPUState *cpu_single_env;
extern int code_copy_enabled;
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 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 */
CPUReadMemoryFunc **mem_read,
CPUWriteMemoryFunc **mem_write);
-void cpu_physical_memory_rw(CPUState *env, uint8_t *buf, target_ulong addr,
+void cpu_physical_memory_rw(target_ulong 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_ulong addr, uint8_t *buf,
+ int len)
+{
+ cpu_physical_memory_rw(addr, buf, len, 0);
+}
+static inline void cpu_physical_memory_write(target_ulong addr, const uint8_t *buf,
+ int len)
+{
+ cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1);
+}
+
+int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
+ uint8_t *buf, int len, int is_write);
/* read dirty bit (return 0 or 1) */
static inline int cpu_physical_memory_is_dirty(target_ulong addr)
void cpu_physical_memory_reset_dirty(target_ulong start, target_ulong end);
-/* 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);
-
#endif /* CPU_ALL_H */
projects / qemu / blobdiff