/* MMU memory access macros */
+#if defined(CONFIG_USER_ONLY)
+/* On some host systems the guest address space is reserved on the host.
+ * This allows the guest address space to be offset to a convenient location.
+ */
+//#define GUEST_BASE 0x20000000
+#define GUEST_BASE 0
+
+/* All direct uses of g2h and h2g need to go away for usermode softmmu. */
+#define g2h(x) ((void *)((unsigned long)(x) + GUEST_BASE))
+#define h2g(x) ((target_ulong)(x - GUEST_BASE))
+
+#define saddr(x) g2h(x)
+#define laddr(x) g2h(x)
+
+#else /* !CONFIG_USER_ONLY */
/* 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)
+#define saddr(x) (uint8_t *)(long)(x)
+#define laddr(x) (uint8_t *)(long)(x)
+#endif
+
+#define ldub_raw(p) ldub_p(laddr((p)))
+#define ldsb_raw(p) ldsb_p(laddr((p)))
+#define lduw_raw(p) lduw_p(laddr((p)))
+#define ldsw_raw(p) ldsw_p(laddr((p)))
+#define ldl_raw(p) ldl_p(laddr((p)))
+#define ldq_raw(p) ldq_p(laddr((p)))
+#define ldfl_raw(p) ldfl_p(laddr((p)))
+#define ldfq_raw(p) ldfq_p(laddr((p)))
+#define stb_raw(p, v) stb_p(saddr((p)), v)
+#define stw_raw(p, v) stw_p(saddr((p)), v)
+#define stl_raw(p, v) stl_p(saddr((p)), v)
+#define stq_raw(p, v) stq_p(saddr((p)), v)
+#define stfl_raw(p, v) stfl_p(saddr((p)), v)
+#define stfq_raw(p, v) stfq_p(saddr((p)), v)
#if defined(CONFIG_USER_ONLY)
#define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1)
#define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK)
+/* ??? These should be the larger of unsigned long and target_ulong. */
extern unsigned long qemu_real_host_page_size;
extern unsigned long qemu_host_page_bits;
extern unsigned long qemu_host_page_size;
#define PAGE_WRITE_ORG 0x0010
void page_dump(FILE *f);
-int page_get_flags(unsigned long address);
-void page_set_flags(unsigned long start, unsigned long end, int flags);
-void page_unprotect_range(uint8_t *data, unsigned long data_size);
+int page_get_flags(target_ulong address);
+void page_set_flags(target_ulong start, target_ulong end, int flags);
+void page_unprotect_range(target_ulong data, target_ulong data_size);
#define SINGLE_CPU_DEFINES
#ifdef SINGLE_CPU_DEFINES
#define cpu_gen_code cpu_ppc_gen_code
#define cpu_signal_handler cpu_ppc_signal_handler
+#elif defined(TARGET_M68K)
+#define CPUState CPUM68KState
+#define cpu_init cpu_m68k_init
+#define cpu_exec cpu_m68k_exec
+#define cpu_gen_code cpu_m68k_gen_code
+#define cpu_signal_handler cpu_m68k_signal_handler
+
#elif defined(TARGET_MIPS)
#define CPUState CPUMIPSState
#define cpu_init cpu_mips_init
#define cpu_gen_code cpu_mips_gen_code
#define cpu_signal_handler cpu_mips_signal_handler
+#elif defined(TARGET_SH4)
+#define CPUState CPUSH4State
+#define cpu_init cpu_sh4_init
+#define cpu_exec cpu_sh4_exec
+#define cpu_gen_code cpu_sh4_gen_code
+#define cpu_signal_handler cpu_sh4_signal_handler
+
#else
#error unsupported target CPU
#endif /* SINGLE_CPU_DEFINES */
+CPUState *cpu_copy(CPUState *env);
+
void cpu_dump_state(CPUState *env, FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
int flags);
+void cpu_dump_statistics (CPUState *env, FILE *f,
+ int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
+ int flags);
void cpu_abort(CPUState *env, const char *fmt, ...);
extern CPUState *first_cpu;
#define CPU_INTERRUPT_TIMER 0x08 /* internal timer exception pending */
#define CPU_INTERRUPT_FIQ 0x10 /* Fast interrupt pending. */
#define CPU_INTERRUPT_HALT 0x20 /* CPU halt wanted */
+#define CPU_INTERRUPT_SMI 0x40 /* (x86 only) SMI interrupt pending */
+#define CPU_INTERRUPT_DEBUG 0x80 /* Debug event occured. */
void cpu_interrupt(CPUState *s, int mask);
void cpu_reset_interrupt(CPUState *env, int mask);
+int cpu_watchpoint_insert(CPUState *env, target_ulong addr);
+int cpu_watchpoint_remove(CPUState *env, target_ulong addr);
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);
#define IO_MEM_ROM (1 << IO_MEM_SHIFT) /* hardcoded offset */
#define IO_MEM_UNASSIGNED (2 << IO_MEM_SHIFT)
#define IO_MEM_NOTDIRTY (4 << IO_MEM_SHIFT) /* used internally, never use directly */
+/* acts like a ROM when read and like a device when written. As an
+ exception, the write memory callback gets the ram offset instead of
+ the physical address */
+#define IO_MEM_ROMD (1)
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(target_phys_addr_t start_addr,
unsigned long size,
unsigned long phys_offset);
+uint32_t cpu_get_physical_page_desc(target_phys_addr_t addr);
+ram_addr_t qemu_ram_alloc(unsigned int size);
+void qemu_ram_free(ram_addr_t addr);
int cpu_register_io_memory(int io_index,
CPUReadMemoryFunc **mem_read,
CPUWriteMemoryFunc **mem_write,
void stl_phys(target_phys_addr_t addr, uint32_t val);
void stq_phys(target_phys_addr_t addr, uint64_t val);
+void cpu_physical_memory_write_rom(target_phys_addr_t addr,
+ const uint8_t *buf, int len);
int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
uint8_t *buf, int len, int is_write);
void dump_exec_info(FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
-/* profiling */
-#ifdef CONFIG_PROFILER
-static inline int64_t profile_getclock(void)
+/*******************************************/
+/* host CPU ticks (if available) */
+
+#if defined(__powerpc__)
+
+static inline uint32_t get_tbl(void)
+{
+ uint32_t tbl;
+ asm volatile("mftb %0" : "=r" (tbl));
+ return tbl;
+}
+
+static inline uint32_t get_tbu(void)
+{
+ uint32_t tbl;
+ asm volatile("mftbu %0" : "=r" (tbl));
+ return tbl;
+}
+
+static inline int64_t cpu_get_real_ticks(void)
+{
+ uint32_t l, h, h1;
+ /* NOTE: we test if wrapping has occurred */
+ do {
+ h = get_tbu();
+ l = get_tbl();
+ h1 = get_tbu();
+ } while (h != h1);
+ return ((int64_t)h << 32) | l;
+}
+
+#elif defined(__i386__)
+
+static inline int64_t cpu_get_real_ticks(void)
{
int64_t val;
asm volatile ("rdtsc" : "=A" (val));
return val;
}
+#elif defined(__x86_64__)
+
+static inline int64_t cpu_get_real_ticks(void)
+{
+ uint32_t low,high;
+ int64_t val;
+ asm volatile("rdtsc" : "=a" (low), "=d" (high));
+ val = high;
+ val <<= 32;
+ val |= low;
+ return val;
+}
+
+#elif defined(__ia64)
+
+static inline int64_t cpu_get_real_ticks(void)
+{
+ int64_t val;
+ asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory");
+ return val;
+}
+
+#elif defined(__s390__)
+
+static inline int64_t cpu_get_real_ticks(void)
+{
+ int64_t val;
+ asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc");
+ return val;
+}
+
+#elif defined(__sparc_v9__)
+
+static inline int64_t cpu_get_real_ticks (void)
+{
+#if defined(_LP64)
+ uint64_t rval;
+ asm volatile("rd %%tick,%0" : "=r"(rval));
+ return rval;
+#else
+ union {
+ uint64_t i64;
+ struct {
+ uint32_t high;
+ uint32_t low;
+ } i32;
+ } rval;
+ asm volatile("rd %%tick,%1; srlx %1,32,%0"
+ : "=r"(rval.i32.high), "=r"(rval.i32.low));
+ return rval.i64;
+#endif
+}
+#else
+/* The host CPU doesn't have an easily accessible cycle counter.
+ Just return a monotonically increasing vlue. This will be totally wrong,
+ but hopefully better than nothing. */
+static inline int64_t cpu_get_real_ticks (void)
+{
+ static int64_t ticks = 0;
+ return ticks++;
+}
+#endif
+
+/* profiling */
+#ifdef CONFIG_PROFILER
+static inline int64_t profile_getclock(void)
+{
+ return cpu_get_real_ticks();
+}
+
extern int64_t kqemu_time, kqemu_time_start;
extern int64_t qemu_time, qemu_time_start;
extern int64_t tlb_flush_time;
projects / qemu / blobdiff