* user : user mode access using soft MMU
* kernel : kernel mode access using soft MMU
*/
-static inline int ldub_p(void *ptr)
+static inline int ldub_p(const void *ptr)
{
return *(uint8_t *)ptr;
}
-static inline int ldsb_p(void *ptr)
+static inline int ldsb_p(const void *ptr)
{
return *(int8_t *)ptr;
}
#if defined(WORDS_BIGENDIAN) || defined(WORDS_ALIGNED)
/* conservative code for little endian unaligned accesses */
-static inline int lduw_le_p(void *ptr)
+static inline int lduw_le_p(const void *ptr)
{
#ifdef __powerpc__
int val;
__asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr));
return val;
-#elif defined(__sparc__)
-#ifndef ASI_PRIMARY_LITTLE
-#define ASI_PRIMARY_LITTLE 0x88
-#endif
-
- int val;
- __asm__ __volatile__ ("lduha [%1] %2, %0" : "=r" (val) : "r" (ptr),
- "i" (ASI_PRIMARY_LITTLE));
- return val;
#else
- uint8_t *p = ptr;
+ const uint8_t *p = ptr;
return p[0] | (p[1] << 8);
#endif
}
-static inline int ldsw_le_p(void *ptr)
+static inline int ldsw_le_p(const void *ptr)
{
#ifdef __powerpc__
int val;
__asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr));
return (int16_t)val;
-#elif defined(__sparc__)
- int val;
- __asm__ __volatile__ ("ldsha [%1] %2, %0" : "=r" (val) : "r" (ptr),
- "i" (ASI_PRIMARY_LITTLE));
- return val;
#else
- uint8_t *p = ptr;
+ const uint8_t *p = ptr;
return (int16_t)(p[0] | (p[1] << 8));
#endif
}
-static inline int ldl_le_p(void *ptr)
+static inline int ldl_le_p(const void *ptr)
{
#ifdef __powerpc__
int val;
__asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (ptr));
return val;
-#elif defined(__sparc__)
- int val;
- __asm__ __volatile__ ("lduwa [%1] %2, %0" : "=r" (val) : "r" (ptr),
- "i" (ASI_PRIMARY_LITTLE));
- return val;
#else
- uint8_t *p = ptr;
+ const uint8_t *p = ptr;
return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
#endif
}
-static inline uint64_t ldq_le_p(void *ptr)
+static inline uint64_t ldq_le_p(const void *ptr)
{
-#if defined(__sparc__)
- uint64_t val;
- __asm__ __volatile__ ("ldxa [%1] %2, %0" : "=r" (val) : "r" (ptr),
- "i" (ASI_PRIMARY_LITTLE));
- return val;
-#else
- uint8_t *p = ptr;
+ const uint8_t *p = ptr;
uint32_t v1, v2;
v1 = ldl_le_p(p);
v2 = ldl_le_p(p + 4);
return v1 | ((uint64_t)v2 << 32);
-#endif
}
static inline void stw_le_p(void *ptr, int v)
{
#ifdef __powerpc__
__asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*(uint16_t *)ptr) : "r" (v), "r" (ptr));
-#elif defined(__sparc__)
- __asm__ __volatile__ ("stha %1, [%2] %3" : "=m" (*(uint16_t *)ptr) : "r" (v),
- "r" (ptr), "i" (ASI_PRIMARY_LITTLE));
#else
uint8_t *p = ptr;
p[0] = v;
{
#ifdef __powerpc__
__asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*(uint32_t *)ptr) : "r" (v), "r" (ptr));
-#elif defined(__sparc__)
- __asm__ __volatile__ ("stwa %1, [%2] %3" : "=m" (*(uint32_t *)ptr) : "r" (v),
- "r" (ptr), "i" (ASI_PRIMARY_LITTLE));
#else
uint8_t *p = ptr;
p[0] = v;
static inline void stq_le_p(void *ptr, uint64_t v)
{
-#if defined(__sparc__)
- __asm__ __volatile__ ("stxa %1, [%2] %3" : "=m" (*(uint64_t *)ptr) : "r" (v),
- "r" (ptr), "i" (ASI_PRIMARY_LITTLE));
-#undef ASI_PRIMARY_LITTLE
-#else
uint8_t *p = ptr;
stl_le_p(p, (uint32_t)v);
stl_le_p(p + 4, v >> 32);
-#endif
}
/* float access */
-static inline float32 ldfl_le_p(void *ptr)
+static inline float32 ldfl_le_p(const void *ptr)
{
union {
float32 f;
stl_le_p(ptr, u.i);
}
-static inline float64 ldfq_le_p(void *ptr)
+static inline float64 ldfq_le_p(const void *ptr)
{
CPU_DoubleU u;
u.l.lower = ldl_le_p(ptr);
#else
-static inline int lduw_le_p(void *ptr)
+static inline int lduw_le_p(const void *ptr)
{
return *(uint16_t *)ptr;
}
-static inline int ldsw_le_p(void *ptr)
+static inline int ldsw_le_p(const void *ptr)
{
return *(int16_t *)ptr;
}
-static inline int ldl_le_p(void *ptr)
+static inline int ldl_le_p(const void *ptr)
{
return *(uint32_t *)ptr;
}
-static inline uint64_t ldq_le_p(void *ptr)
+static inline uint64_t ldq_le_p(const void *ptr)
{
return *(uint64_t *)ptr;
}
/* float access */
-static inline float32 ldfl_le_p(void *ptr)
+static inline float32 ldfl_le_p(const void *ptr)
{
return *(float32 *)ptr;
}
-static inline float64 ldfq_le_p(void *ptr)
+static inline float64 ldfq_le_p(const void *ptr)
{
return *(float64 *)ptr;
}
#if !defined(WORDS_BIGENDIAN) || defined(WORDS_ALIGNED)
-static inline int lduw_be_p(void *ptr)
+static inline int lduw_be_p(const void *ptr)
{
#if defined(__i386__)
int val;
: "m" (*(uint16_t *)ptr));
return val;
#else
- uint8_t *b = (uint8_t *) ptr;
+ const uint8_t *b = ptr;
return ((b[0] << 8) | b[1]);
#endif
}
-static inline int ldsw_be_p(void *ptr)
+static inline int ldsw_be_p(const void *ptr)
{
#if defined(__i386__)
int val;
: "m" (*(uint16_t *)ptr));
return (int16_t)val;
#else
- uint8_t *b = (uint8_t *) ptr;
+ const uint8_t *b = ptr;
return (int16_t)((b[0] << 8) | b[1]);
#endif
}
-static inline int ldl_be_p(void *ptr)
+static inline int ldl_be_p(const void *ptr)
{
#if defined(__i386__) || defined(__x86_64__)
int val;
: "m" (*(uint32_t *)ptr));
return val;
#else
- uint8_t *b = (uint8_t *) ptr;
+ const uint8_t *b = ptr;
return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3];
#endif
}
-static inline uint64_t ldq_be_p(void *ptr)
+static inline uint64_t ldq_be_p(const void *ptr)
{
uint32_t a,b;
a = ldl_be_p(ptr);
/* float access */
-static inline float32 ldfl_be_p(void *ptr)
+static inline float32 ldfl_be_p(const void *ptr)
{
union {
float32 f;
stl_be_p(ptr, u.i);
}
-static inline float64 ldfq_be_p(void *ptr)
+static inline float64 ldfq_be_p(const void *ptr)
{
CPU_DoubleU u;
u.l.upper = ldl_be_p(ptr);
#else
-static inline int lduw_be_p(void *ptr)
+static inline int lduw_be_p(const void *ptr)
{
return *(uint16_t *)ptr;
}
-static inline int ldsw_be_p(void *ptr)
+static inline int ldsw_be_p(const void *ptr)
{
return *(int16_t *)ptr;
}
-static inline int ldl_be_p(void *ptr)
+static inline int ldl_be_p(const void *ptr)
{
return *(uint32_t *)ptr;
}
-static inline uint64_t ldq_be_p(void *ptr)
+static inline uint64_t ldq_be_p(const void *ptr)
{
return *(uint64_t *)ptr;
}
/* float access */
-static inline float32 ldfl_be_p(void *ptr)
+static inline float32 ldfl_be_p(const void *ptr)
{
return *(float32 *)ptr;
}
-static inline float64 ldfq_be_p(void *ptr)
+static inline float64 ldfq_be_p(const void *ptr)
{
return *(float64 *)ptr;
}
/* MMU memory access macros */
#if defined(CONFIG_USER_ONLY)
+#include <assert.h>
+#include "qemu-types.h"
+
/* 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.
*/
/* 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 h2g(x) ({ \
+ unsigned long __ret = (unsigned long)(x) - GUEST_BASE; \
+ /* Check if given address fits target address space */ \
+ assert(__ret == (abi_ulong)__ret); \
+ (abi_ulong)__ret; \
+})
+#define h2g_valid(x) ({ \
+ unsigned long __guest = (unsigned long)(x) - GUEST_BASE; \
+ (__guest == (abi_ulong)__guest); \
+})
#define saddr(x) g2h(x)
#define laddr(x) g2h(x)
__attribute__ ((__noreturn__));
extern CPUState *first_cpu;
extern CPUState *cpu_single_env;
+extern int64_t qemu_icount;
+extern int use_icount;
#define CPU_INTERRUPT_EXIT 0x01 /* wants exit from main loop */
#define CPU_INTERRUPT_HARD 0x02 /* hardware interrupt pending */
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);
-void cpu_watchpoint_remove_all(CPUState *env);
-int cpu_breakpoint_insert(CPUState *env, target_ulong pc);
-int cpu_breakpoint_remove(CPUState *env, target_ulong pc);
-void cpu_breakpoint_remove_all(CPUState *env);
+/* Breakpoint/watchpoint flags */
+#define BP_MEM_READ 0x01
+#define BP_MEM_WRITE 0x02
+#define BP_MEM_ACCESS (BP_MEM_READ | BP_MEM_WRITE)
+#define BP_STOP_BEFORE_ACCESS 0x04
+#define BP_WATCHPOINT_HIT 0x08
+#define BP_GDB 0x10
+#define BP_CPU 0x20
+
+int cpu_breakpoint_insert(CPUState *env, target_ulong pc, int flags,
+ CPUBreakpoint **breakpoint);
+int cpu_breakpoint_remove(CPUState *env, target_ulong pc, int flags);
+void cpu_breakpoint_remove_by_ref(CPUState *env, CPUBreakpoint *breakpoint);
+void cpu_breakpoint_remove_all(CPUState *env, int mask);
+int cpu_watchpoint_insert(CPUState *env, target_ulong addr, target_ulong len,
+ int flags, CPUWatchpoint **watchpoint);
+int cpu_watchpoint_remove(CPUState *env, target_ulong addr,
+ target_ulong len, int flags);
+void cpu_watchpoint_remove_by_ref(CPUState *env, CPUWatchpoint *watchpoint);
+void cpu_watchpoint_remove_all(CPUState *env, int mask);
#define SSTEP_ENABLE 0x1 /* Enable simulated HW single stepping */
#define SSTEP_NOIRQ 0x2 /* Do not use IRQ while single stepping */
const char *help;
} CPULogItem;
-extern CPULogItem cpu_log_items[];
+extern const CPULogItem cpu_log_items[];
void cpu_set_log(int log_flags);
void cpu_set_log_filename(const char *filename);
extern ram_addr_t ram_size;
/* physical memory access */
-#define TLB_INVALID_MASK (1 << 3)
-#define IO_MEM_SHIFT 4
+
+/* MMIO pages are identified by a combination of an IO device index and
+ 3 flags. The ROMD code stores the page ram offset in iotlb entry,
+ so only a limited number of ids are avaiable. */
+
+#define IO_MEM_SHIFT 3
#define IO_MEM_NB_ENTRIES (1 << (TARGET_PAGE_BITS - IO_MEM_SHIFT))
#define IO_MEM_RAM (0 << IO_MEM_SHIFT) /* hardcoded offset */
#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_NOTDIRTY (3 << IO_MEM_SHIFT)
+
+/* Acts like a ROM when read and like a device when written. */
#define IO_MEM_ROMD (1)
#define IO_MEM_SUBPAGE (2)
#define IO_MEM_SUBWIDTH (4)
+/* Flags stored in the low bits of the TLB virtual address. These are
+ defined so that fast path ram access is all zeros. */
+/* Zero if TLB entry is valid. */
+#define TLB_INVALID_MASK (1 << 3)
+/* Set if TLB entry references a clean RAM page. The iotlb entry will
+ contain the page physical address. */
+#define TLB_NOTDIRTY (1 << 4)
+/* Set if TLB entry is an IO callback. */
+#define TLB_MMIO (1 << 5)
+
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,
- ram_addr_t size,
- ram_addr_t phys_offset);
+void cpu_register_physical_memory_offset(target_phys_addr_t start_addr,
+ ram_addr_t size,
+ ram_addr_t phys_offset,
+ ram_addr_t region_offset);
+static inline void cpu_register_physical_memory(target_phys_addr_t start_addr,
+ ram_addr_t size,
+ ram_addr_t phys_offset)
+{
+ cpu_register_physical_memory_offset(start_addr, size, phys_offset, 0);
+}
+
ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr);
ram_addr_t qemu_ram_alloc(ram_addr_t);
void qemu_ram_free(ram_addr_t addr);
int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
uint8_t *buf, int len, int is_write);
-#define VGA_DIRTY_FLAG 0x01
-#define CODE_DIRTY_FLAG 0x02
+#define VGA_DIRTY_FLAG 0x01
+#define CODE_DIRTY_FLAG 0x02
+#define KQEMU_DIRTY_FLAG 0x04
+#define MIGRATION_DIRTY_FLAG 0x08
/* read dirty bit (return 0 or 1) */
static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
int dirty_flags);
void cpu_tlb_update_dirty(CPUState *env);
+int cpu_physical_memory_set_dirty_tracking(int enable);
+
+int cpu_physical_memory_get_dirty_tracking(void);
+
+void cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, target_phys_addr_t end_addr);
+
void dump_exec_info(FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
+/* Coalesced MMIO regions are areas where write operations can be reordered.
+ * This usually implies that write operations are side-effect free. This allows
+ * batching which can make a major impact on performance when using
+ * virtualization.
+ */
+void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
+
+void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
+
/*******************************************/
/* host CPU ticks (if available) */
projects / qemu / blobdiff