#define CPU_ALL_H
#include "qemu-common.h"
+#include "qemu-tls.h"
#include "cpu-common.h"
/* some important defines:
* TARGET_WORDS_BIGENDIAN : same for target cpu
*/
-#include "softfloat.h"
-
#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
#define BSWAP_NEEDED
#endif
#define bswaptls(s) bswap64s(s)
#endif
-typedef union {
- float32 f;
- uint32_t l;
-} CPU_FloatU;
-
-/* NOTE: arm FPA is horrible as double 32 bit words are stored in big
- endian ! */
-typedef union {
- float64 d;
-#if defined(HOST_WORDS_BIGENDIAN) \
- || (defined(__arm__) && !defined(__VFP_FP__) && !defined(CONFIG_SOFTFLOAT))
- struct {
- uint32_t upper;
- uint32_t lower;
- } l;
-#else
- struct {
- uint32_t lower;
- uint32_t upper;
- } l;
-#endif
- uint64_t ll;
-} CPU_DoubleU;
-
-#if defined(FLOATX80)
-typedef union {
- floatx80 d;
- struct {
- uint64_t lower;
- uint16_t upper;
- } l;
-} CPU_LDoubleU;
-#endif
-
-#if defined(CONFIG_SOFTFLOAT)
-typedef union {
- float128 q;
-#if defined(HOST_WORDS_BIGENDIAN)
- struct {
- uint32_t upmost;
- uint32_t upper;
- uint32_t lower;
- uint32_t lowest;
- } l;
- struct {
- uint64_t upper;
- uint64_t lower;
- } ll;
-#else
- struct {
- uint32_t lowest;
- uint32_t lower;
- uint32_t upper;
- uint32_t upmost;
- } l;
- struct {
- uint64_t lower;
- uint64_t upper;
- } ll;
-#endif
-} CPU_QuadU;
-#endif
-
/* CPU memory access without any memory or io remapping */
/*
* user : user mode access using soft MMU
* kernel : kernel mode access using soft MMU
*/
-static inline int ldub_p(const void *ptr)
-{
- return *(uint8_t *)ptr;
-}
-
-static inline int ldsb_p(const void *ptr)
-{
- return *(int8_t *)ptr;
-}
-
-static inline void stb_p(void *ptr, int v)
-{
- *(uint8_t *)ptr = v;
-}
-
-/* NOTE: on arm, putting 2 in /proc/sys/debug/alignment so that the
- kernel handles unaligned load/stores may give better results, but
- it is a system wide setting : bad */
-#if defined(HOST_WORDS_BIGENDIAN) || defined(WORDS_ALIGNED)
-
-/* conservative code for little endian unaligned accesses */
-static inline int lduw_le_p(const void *ptr)
-{
-#ifdef _ARCH_PPC
- int val;
- __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr));
- return val;
-#else
- const uint8_t *p = ptr;
- return p[0] | (p[1] << 8);
-#endif
-}
-
-static inline int ldsw_le_p(const void *ptr)
-{
-#ifdef _ARCH_PPC
- int val;
- __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr));
- return (int16_t)val;
-#else
- const uint8_t *p = ptr;
- return (int16_t)(p[0] | (p[1] << 8));
-#endif
-}
-
-static inline int ldl_le_p(const void *ptr)
-{
-#ifdef _ARCH_PPC
- int val;
- __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (ptr));
- return val;
-#else
- 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(const void *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);
-}
-
-static inline void stw_le_p(void *ptr, int v)
-{
-#ifdef _ARCH_PPC
- __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*(uint16_t *)ptr) : "r" (v), "r" (ptr));
-#else
- uint8_t *p = ptr;
- p[0] = v;
- p[1] = v >> 8;
-#endif
-}
-
-static inline void stl_le_p(void *ptr, int v)
-{
-#ifdef _ARCH_PPC
- __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*(uint32_t *)ptr) : "r" (v), "r" (ptr));
-#else
- uint8_t *p = ptr;
- p[0] = v;
- p[1] = v >> 8;
- p[2] = v >> 16;
- p[3] = v >> 24;
-#endif
-}
-
-static inline void stq_le_p(void *ptr, uint64_t v)
-{
- uint8_t *p = ptr;
- stl_le_p(p, (uint32_t)v);
- stl_le_p(p + 4, v >> 32);
-}
-
-/* float access */
-
-static inline float32 ldfl_le_p(const void *ptr)
-{
- union {
- float32 f;
- uint32_t i;
- } u;
- u.i = ldl_le_p(ptr);
- return u.f;
-}
-
-static inline void stfl_le_p(void *ptr, float32 v)
-{
- union {
- float32 f;
- uint32_t i;
- } u;
- u.f = v;
- stl_le_p(ptr, u.i);
-}
-
-static inline float64 ldfq_le_p(const void *ptr)
-{
- CPU_DoubleU u;
- u.l.lower = ldl_le_p(ptr);
- u.l.upper = ldl_le_p(ptr + 4);
- return u.d;
-}
-
-static inline void stfq_le_p(void *ptr, float64 v)
-{
- CPU_DoubleU u;
- u.d = v;
- stl_le_p(ptr, u.l.lower);
- stl_le_p(ptr + 4, u.l.upper);
-}
-
-#else
-
-static inline int lduw_le_p(const void *ptr)
-{
- return *(uint16_t *)ptr;
-}
-
-static inline int ldsw_le_p(const void *ptr)
-{
- return *(int16_t *)ptr;
-}
-
-static inline int ldl_le_p(const void *ptr)
-{
- return *(uint32_t *)ptr;
-}
-
-static inline uint64_t ldq_le_p(const void *ptr)
-{
- return *(uint64_t *)ptr;
-}
-
-static inline void stw_le_p(void *ptr, int v)
-{
- *(uint16_t *)ptr = v;
-}
-
-static inline void stl_le_p(void *ptr, int v)
-{
- *(uint32_t *)ptr = v;
-}
-
-static inline void stq_le_p(void *ptr, uint64_t v)
-{
- *(uint64_t *)ptr = v;
-}
-
-/* float access */
-
-static inline float32 ldfl_le_p(const void *ptr)
-{
- return *(float32 *)ptr;
-}
-
-static inline float64 ldfq_le_p(const void *ptr)
-{
- return *(float64 *)ptr;
-}
-
-static inline void stfl_le_p(void *ptr, float32 v)
-{
- *(float32 *)ptr = v;
-}
-static inline void stfq_le_p(void *ptr, float64 v)
-{
- *(float64 *)ptr = v;
-}
-#endif
-
-#if !defined(HOST_WORDS_BIGENDIAN) || defined(WORDS_ALIGNED)
-
-static inline int lduw_be_p(const 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
- const uint8_t *b = ptr;
- return ((b[0] << 8) | b[1]);
-#endif
-}
-
-static inline int ldsw_be_p(const void *ptr)
-{
-#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
- const uint8_t *b = ptr;
- return (int16_t)((b[0] << 8) | b[1]);
-#endif
-}
-
-static inline int ldl_be_p(const 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
- 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(const void *ptr)
-{
- uint32_t a,b;
- a = ldl_be_p(ptr);
- b = ldl_be_p((uint8_t *)ptr + 4);
- return (((uint64_t)a<<32)|b);
-}
-
-static inline void stw_be_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_be_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_be_p(void *ptr, uint64_t v)
-{
- stl_be_p(ptr, v >> 32);
- stl_be_p((uint8_t *)ptr + 4, v);
-}
-
-/* float access */
-
-static inline float32 ldfl_be_p(const void *ptr)
-{
- union {
- float32 f;
- uint32_t i;
- } u;
- u.i = ldl_be_p(ptr);
- return u.f;
-}
-
-static inline void stfl_be_p(void *ptr, float32 v)
-{
- union {
- float32 f;
- uint32_t i;
- } u;
- u.f = v;
- stl_be_p(ptr, u.i);
-}
-
-static inline float64 ldfq_be_p(const void *ptr)
-{
- CPU_DoubleU u;
- u.l.upper = ldl_be_p(ptr);
- u.l.lower = ldl_be_p((uint8_t *)ptr + 4);
- return u.d;
-}
-
-static inline void stfq_be_p(void *ptr, float64 v)
-{
- CPU_DoubleU u;
- u.d = v;
- stl_be_p(ptr, u.l.upper);
- stl_be_p((uint8_t *)ptr + 4, u.l.lower);
-}
-
-#else
-
-static inline int lduw_be_p(const void *ptr)
-{
- return *(uint16_t *)ptr;
-}
-
-static inline int ldsw_be_p(const void *ptr)
-{
- return *(int16_t *)ptr;
-}
-
-static inline int ldl_be_p(const void *ptr)
-{
- return *(uint32_t *)ptr;
-}
-
-static inline uint64_t ldq_be_p(const void *ptr)
-{
- return *(uint64_t *)ptr;
-}
-
-static inline void stw_be_p(void *ptr, int v)
-{
- *(uint16_t *)ptr = v;
-}
-
-static inline void stl_be_p(void *ptr, int v)
-{
- *(uint32_t *)ptr = v;
-}
-
-static inline void stq_be_p(void *ptr, uint64_t v)
-{
- *(uint64_t *)ptr = v;
-}
-
-/* float access */
-
-static inline float32 ldfl_be_p(const void *ptr)
-{
- return *(float32 *)ptr;
-}
-
-static inline float64 ldfq_be_p(const void *ptr)
-{
- return *(float64 *)ptr;
-}
-
-static inline void stfl_be_p(void *ptr, float32 v)
-{
- *(float32 *)ptr = v;
-}
-
-static inline void stfq_be_p(void *ptr, float64 v)
-{
- *(float64 *)ptr = v;
-}
-
-#endif
-
-/* target CPU memory access functions */
+/* target-endianness CPU memory access functions */
#if defined(TARGET_WORDS_BIGENDIAN)
#define lduw_p(p) lduw_be_p(p)
#define ldsw_p(p) ldsw_be_p(p)
/* ??? 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;
extern unsigned long qemu_host_page_mask;
void QEMU_NORETURN cpu_abort(CPUState *env, const char *fmt, ...)
GCC_FMT_ATTR(2, 3);
extern CPUState *first_cpu;
-extern CPUState *cpu_single_env;
+DECLARE_TLS(CPUState *,cpu_single_env);
+#define cpu_single_env tls_var(cpu_single_env)
/* Flags for use in ENV->INTERRUPT_PENDING.
#define CPU_INTERRUPT_TGT_EXT_4 0x1000
/* Several target-specific internal interrupts. These differ from the
- preceeding target-specific interrupts in that they are intended to
+ preceding target-specific interrupts in that they are intended to
originate from within the cpu itself, typically in response to some
instruction being executed. These, therefore, are not masked while
single-stepping within the debugger. */
#define CPU_INTERRUPT_TGT_INT_0 0x0100
#define CPU_INTERRUPT_TGT_INT_1 0x0400
#define CPU_INTERRUPT_TGT_INT_2 0x0800
+#define CPU_INTERRUPT_TGT_INT_3 0x2000
-/* First unused bit: 0x2000. */
-
-/* Temporary remapping from the generic names back to the previous
- cpu-specific names. These will be moved to target-foo/cpu.h next. */
-#define CPU_INTERRUPT_SMI CPU_INTERRUPT_TGT_EXT_2
-#define CPU_INTERRUPT_VIRQ CPU_INTERRUPT_TGT_INT_0
-#define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3
-#define CPU_INTERRUPT_INIT CPU_INTERRUPT_TGT_INT_1
-#define CPU_INTERRUPT_SIPI CPU_INTERRUPT_TGT_INT_2
-#define CPU_INTERRUPT_MCE CPU_INTERRUPT_TGT_EXT_4
+/* First unused bit: 0x4000. */
/* The set of all bits that should be masked when single-stepping. */
#define CPU_INTERRUPT_SSTEP_MASK \
void cpu_exit(CPUState *s);
-int qemu_cpu_has_work(CPUState *env);
+bool qemu_cpu_has_work(CPUState *env);
/* Breakpoint/watchpoint flags */
#define BP_MEM_READ 0x01
#define RAM_PREALLOC_MASK (1 << 0)
typedef struct RAMBlock {
+ struct MemoryRegion *mr;
uint8_t *host;
ram_addr_t offset;
ram_addr_t length;
typedef struct RAMList {
uint8_t *phys_dirty;
- QLIST_HEAD(ram, RAMBlock) blocks;
+ QLIST_HEAD(, RAMBlock) blocks;
} RAMList;
extern RAMList ram_list;
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_NB_ENTRIES (1 << (TARGET_PAGE_BITS - IO_MEM_SHIFT))
+#define IO_MEM_NB_ENTRIES (1 << TARGET_PAGE_BITS)
/* Flags stored in the low bits of the TLB virtual address. These are
defined so that fast path ram access is all zeros. */
/* Set if TLB entry is an IO callback. */
#define TLB_MMIO (1 << 5)
-#define VGA_DIRTY_FLAG 0x01
-#define CODE_DIRTY_FLAG 0x02
-#define MIGRATION_DIRTY_FLAG 0x08
-
-/* read dirty bit (return 0 or 1) */
-static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
-{
- return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] == 0xff;
-}
-
-static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
-{
- return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
-}
-
-static inline int cpu_physical_memory_get_dirty(ram_addr_t addr,
- int dirty_flags)
-{
- return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags;
-}
-
-static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
-{
- ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
-}
-
-static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr,
- int dirty_flags)
-{
- return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
-}
-
-static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start,
- int length,
- int dirty_flags)
-{
- int i, mask, len;
- uint8_t *p;
-
- len = length >> TARGET_PAGE_BITS;
- mask = ~dirty_flags;
- p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS);
- for (i = 0; i < len; i++) {
- p[i] &= mask;
- }
-}
-
-void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
- 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);
-
-int cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
- target_phys_addr_t end_addr);
-
-int cpu_physical_log_start(target_phys_addr_t start_addr,
- ram_addr_t size);
-
-int cpu_physical_log_stop(target_phys_addr_t start_addr,
- ram_addr_t size);
-
void dump_exec_info(FILE *f, fprintf_function cpu_fprintf);
#endif /* !CONFIG_USER_ONLY */
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