X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=cpu-all.h;h=dc9b034cbc91ac1c6e9f74c90d7f309e4af54ddb;hb=e90e390c2b8368d534cccfd2aaca1f6a0ae5d53d;hp=b1c4b20825bd21fefcf960d076e4c26c51a6827c;hpb=f0aca8227fbdb0cec65331cb59dbe768e2586e7d;p=qemu diff --git a/cpu-all.h b/cpu-all.h index b1c4b20..dc9b034 100644 --- a/cpu-all.h +++ b/cpu-all.h @@ -1,6 +1,6 @@ /* * defines common to all virtual CPUs - * + * * Copyright (c) 2003 Fabrice Bellard * * This library is free software; you can redistribute it and/or @@ -15,29 +15,28 @@ * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA */ #ifndef CPU_ALL_H #define CPU_ALL_H -#if defined(__arm__) || defined(__sparc__) -#define WORDS_ALIGNED -#endif +#include "qemu-common.h" +#include "cpu-common.h" -/* some important defines: - * +/* some important defines: + * * WORDS_ALIGNED : if defined, the host cpu can only make word aligned * memory accesses. - * + * * WORDS_BIGENDIAN : if defined, the host cpu is big endian and * otherwise little endian. - * + * * (TARGET_WORDS_ALIGNED : same for target cpu (not supported yet)) - * + * * TARGET_WORDS_BIGENDIAN : same for target cpu */ -#include "bswap.h" +#include "softfloat.h" #if defined(WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) #define BSWAP_NEEDED @@ -116,6 +115,11 @@ static inline void tswap64s(uint64_t *s) #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 { @@ -135,6 +139,36 @@ typedef union { uint64_t ll; } CPU_DoubleU; +#ifdef TARGET_SPARC +typedef union { + float128 q; +#if defined(WORDS_BIGENDIAN) \ + || (defined(__arm__) && !defined(__VFP_FP__) && !defined(CONFIG_SOFTFLOAT)) + 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 */ /* @@ -147,7 +181,7 @@ typedef union { * type is: * (empty): integer access * f : float access - * + * * sign is: * (empty): for floats or 32 bit size * u : unsigned @@ -158,7 +192,7 @@ typedef union { * 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) @@ -170,12 +204,12 @@ typedef union { * 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; } @@ -191,45 +225,45 @@ static inline void stb_p(void *ptr, int v) #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__ +#ifdef _ARCH_PPC int val; __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr)); 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__ +#ifdef _ARCH_PPC int val; __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr)); return (int16_t)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__ +#ifdef _ARCH_PPC int val; __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (ptr)); 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) { - uint8_t *p = ptr; + const uint8_t *p = ptr; uint32_t v1, v2; v1 = ldl_le_p(p); v2 = ldl_le_p(p + 4); @@ -238,7 +272,7 @@ static inline uint64_t ldq_le_p(void *ptr) static inline void stw_le_p(void *ptr, int v) { -#ifdef __powerpc__ +#ifdef _ARCH_PPC __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*(uint16_t *)ptr) : "r" (v), "r" (ptr)); #else uint8_t *p = ptr; @@ -249,7 +283,7 @@ static inline void stw_le_p(void *ptr, int v) static inline void stl_le_p(void *ptr, int v) { -#ifdef __powerpc__ +#ifdef _ARCH_PPC __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*(uint32_t *)ptr) : "r" (v), "r" (ptr)); #else uint8_t *p = ptr; @@ -269,7 +303,7 @@ static inline void stq_le_p(void *ptr, uint64_t v) /* float access */ -static inline float32 ldfl_le_p(void *ptr) +static inline float32 ldfl_le_p(const void *ptr) { union { float32 f; @@ -289,7 +323,7 @@ static inline void stfl_le_p(void *ptr, float32 v) 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); @@ -307,22 +341,22 @@ static inline void stfq_le_p(void *ptr, float64 v) #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; } @@ -344,12 +378,12 @@ static inline void stq_le_p(void *ptr, uint64_t v) /* 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; } @@ -367,7 +401,7 @@ static inline void stfq_le_p(void *ptr, float64 v) #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; @@ -377,12 +411,12 @@ static inline int lduw_be_p(void *ptr) : "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; @@ -392,12 +426,12 @@ static inline int ldsw_be_p(void *ptr) : "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; @@ -407,16 +441,16 @@ static inline int ldl_be_p(void *ptr) : "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); - b = ldl_be_p(ptr+4); + b = ldl_be_p((uint8_t *)ptr + 4); return (((uint64_t)a<<32)|b); } @@ -453,12 +487,12 @@ static inline void stl_be_p(void *ptr, int v) static inline void stq_be_p(void *ptr, uint64_t v) { stl_be_p(ptr, v >> 32); - stl_be_p(ptr + 4, v); + stl_be_p((uint8_t *)ptr + 4, v); } /* float access */ -static inline float32 ldfl_be_p(void *ptr) +static inline float32 ldfl_be_p(const void *ptr) { union { float32 f; @@ -478,11 +512,11 @@ static inline void stfl_be_p(void *ptr, float32 v) 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); - u.l.lower = ldl_be_p(ptr + 4); + u.l.lower = ldl_be_p((uint8_t *)ptr + 4); return u.d; } @@ -491,27 +525,27 @@ 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(ptr + 4, u.l.lower); + stl_be_p((uint8_t *)ptr + 4, u.l.lower); } #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; } @@ -533,12 +567,12 @@ static inline void stq_be_p(void *ptr, uint64_t v) /* 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; } @@ -584,25 +618,56 @@ static inline void stfq_be_p(void *ptr, float64 v) /* MMU memory access macros */ +#if defined(CONFIG_USER_ONLY) +#include +#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. + */ +//#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) ({ \ + 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) + +#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) - - -#if defined(CONFIG_USER_ONLY) +#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) /* if user mode, no other memory access functions */ #define ldub(p) ldub_raw(p) @@ -625,12 +690,14 @@ static inline void stfq_be_p(void *ptr, float64 v) #define lduw_code(p) lduw_raw(p) #define ldsw_code(p) ldsw_raw(p) #define ldl_code(p) ldl_raw(p) +#define ldq_code(p) ldq_raw(p) #define ldub_kernel(p) ldub_raw(p) #define ldsb_kernel(p) ldsb_raw(p) #define lduw_kernel(p) lduw_raw(p) #define ldsw_kernel(p) ldsw_raw(p) #define ldl_kernel(p) ldl_raw(p) +#define ldq_kernel(p) ldq_raw(p) #define ldfl_kernel(p) ldfl_raw(p) #define ldfq_kernel(p) ldfq_raw(p) #define stb_kernel(p, v) stb_raw(p, v) @@ -648,6 +715,7 @@ static inline void stfq_be_p(void *ptr, float64 v) #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; @@ -663,90 +731,82 @@ extern unsigned long qemu_host_page_mask; #define PAGE_VALID 0x0008 /* original state of the write flag (used when tracking self-modifying code */ -#define PAGE_WRITE_ORG 0x0010 +#define PAGE_WRITE_ORG 0x0010 +#define PAGE_RESERVED 0x0020 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); - -#define SINGLE_CPU_DEFINES -#ifdef SINGLE_CPU_DEFINES - -#if defined(TARGET_I386) - -#define CPUState CPUX86State -#define cpu_init cpu_x86_init -#define cpu_exec cpu_x86_exec -#define cpu_gen_code cpu_x86_gen_code -#define cpu_signal_handler cpu_x86_signal_handler - -#elif defined(TARGET_ARM) - -#define CPUState CPUARMState -#define cpu_init cpu_arm_init -#define cpu_exec cpu_arm_exec -#define cpu_gen_code cpu_arm_gen_code -#define cpu_signal_handler cpu_arm_signal_handler - -#elif defined(TARGET_SPARC) - -#define CPUState CPUSPARCState -#define cpu_init cpu_sparc_init -#define cpu_exec cpu_sparc_exec -#define cpu_gen_code cpu_sparc_gen_code -#define cpu_signal_handler cpu_sparc_signal_handler - -#elif defined(TARGET_PPC) +int page_get_flags(target_ulong address); +void page_set_flags(target_ulong start, target_ulong end, int flags); +int page_check_range(target_ulong start, target_ulong len, int flags); -#define CPUState CPUPPCState -#define cpu_init cpu_ppc_init -#define cpu_exec cpu_ppc_exec -#define cpu_gen_code cpu_ppc_gen_code -#define cpu_signal_handler cpu_ppc_signal_handler +void cpu_exec_init_all(unsigned long tb_size); +CPUState *cpu_copy(CPUState *env); -#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 - -#error unsupported target CPU - -#endif - -#endif /* SINGLE_CPU_DEFINES */ - -void cpu_dump_state(CPUState *env, FILE *f, +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, ...); +void QEMU_NORETURN cpu_abort(CPUState *env, const char *fmt, ...) + __attribute__ ((__format__ (__printf__, 2, 3))); extern CPUState *first_cpu; extern CPUState *cpu_single_env; -extern int code_copy_enabled; +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 */ #define CPU_INTERRUPT_EXITTB 0x04 /* exit the current TB (use for x86 a20 case) */ #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. */ +#define CPU_INTERRUPT_VIRQ 0x100 /* virtual interrupt pending. */ +#define CPU_INTERRUPT_NMI 0x200 /* NMI pending. */ + void cpu_interrupt(CPUState *s, int mask); void cpu_reset_interrupt(CPUState *env, int mask); -int cpu_breakpoint_insert(CPUState *env, target_ulong pc); -int cpu_breakpoint_remove(CPUState *env, target_ulong pc); +void cpu_exit(CPUState *s); + +int qemu_cpu_has_work(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 */ +#define SSTEP_NOTIMER 0x4 /* Do not Timers while single stepping */ + 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); +target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr); -#define CPU_LOG_TB_OUT_ASM (1 << 0) +#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) @@ -755,6 +815,7 @@ target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr); #define CPU_LOG_PCALL (1 << 6) #define CPU_LOG_IOPORT (1 << 7) #define CPU_LOG_TB_CPU (1 << 8) +#define CPU_LOG_RESET (1 << 9) /* define log items */ typedef struct CPULogItem { @@ -763,7 +824,7 @@ typedef struct CPULogItem { 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); @@ -784,61 +845,36 @@ int cpu_inl(CPUState *env, int addr); /* memory API */ -extern int phys_ram_size; extern int phys_ram_fd; -extern uint8_t *phys_ram_base; extern uint8_t *phys_ram_dirty; +extern ram_addr_t ram_size; +extern ram_addr_t last_ram_offset; /* physical memory access */ -#define IO_MEM_NB_ENTRIES 256 + +/* 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_NB_ENTRIES (1 << (TARGET_PAGE_BITS - IO_MEM_SHIFT)) + +/* 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) -#define IO_MEM_SHIFT 4 - -#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 */ - -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); -int cpu_register_io_memory(int io_index, - CPUReadMemoryFunc **mem_read, - 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(target_phys_addr_t addr, uint8_t *buf, - 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 ldub_phys(target_phys_addr_t addr); -uint32_t lduw_phys(target_phys_addr_t addr); -uint32_t ldl_phys(target_phys_addr_t addr); -uint64_t ldq_phys(target_phys_addr_t addr); -void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val); -void stb_phys(target_phys_addr_t addr, uint32_t val); -void stw_phys(target_phys_addr_t addr, uint32_t val); -void stl_phys(target_phys_addr_t addr, uint32_t val); -void stq_phys(target_phys_addr_t addr, uint64_t val); - -int cpu_memory_rw_debug(CPUState *env, target_ulong addr, +/* 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) + +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) @@ -846,7 +882,7 @@ static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) return phys_ram_dirty[addr >> TARGET_PAGE_BITS] == 0xff; } -static inline int cpu_physical_memory_get_dirty(ram_addr_t addr, +static inline int cpu_physical_memory_get_dirty(ram_addr_t addr, int dirty_flags) { return phys_ram_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags; @@ -861,7 +897,173 @@ 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); + 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) */ + +#if defined(_ARCH_PPC) + +static inline int64_t cpu_get_real_ticks(void) +{ + int64_t retval; +#ifdef _ARCH_PPC64 + /* This reads timebase in one 64bit go and includes Cell workaround from: + http://ozlabs.org/pipermail/linuxppc-dev/2006-October/027052.html + */ + __asm__ __volatile__ ( + "mftb %0\n\t" + "cmpwi %0,0\n\t" + "beq- $-8" + : "=r" (retval)); +#else + /* http://ozlabs.org/pipermail/linuxppc-dev/1999-October/003889.html */ + unsigned long junk; + __asm__ __volatile__ ( + "mftbu %1\n\t" + "mftb %L0\n\t" + "mftbu %0\n\t" + "cmpw %0,%1\n\t" + "bne $-16" + : "=r" (retval), "=r" (junk)); +#endif + return retval; +} + +#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(__hppa__) + +static inline int64_t cpu_get_real_ticks(void) +{ + int val; + asm volatile ("mfctl %%cr16, %0" : "=r"(val)); + 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_v8plus__) || defined(__sparc_v8plusa__) || 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 +} + +#elif defined(__mips__) + +static inline int64_t cpu_get_real_ticks(void) +{ +#if __mips_isa_rev >= 2 + uint32_t count; + static uint32_t cyc_per_count = 0; + + if (!cyc_per_count) + __asm__ __volatile__("rdhwr %0, $3" : "=r" (cyc_per_count)); + + __asm__ __volatile__("rdhwr %1, $2" : "=r" (count)); + return (int64_t)(count * cyc_per_count); +#else + /* FIXME */ + static int64_t ticks = 0; + return ticks++; +#endif +} + +#else +/* The host CPU doesn't have an easily accessible cycle counter. + Just return a monotonically increasing value. 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; +extern int64_t kqemu_exec_count; +extern int64_t dev_time; +extern int64_t kqemu_ret_int_count; +extern int64_t kqemu_ret_excp_count; +extern int64_t kqemu_ret_intr_count; +#endif + #endif /* CPU_ALL_H */