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author | The Android Open Source Project <initial-contribution@android.com> | 2009-02-10 15:43:59 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-02-10 15:43:59 -0800 |
commit | c27f813900a3c114562efbb8df1065e94766fc48 (patch) | |
tree | d95919283707dcab61009e27007374a745c9541e /cpu-all.h | |
parent | 0852ad57fa372f9b2854e4df685eaba8d8ef6790 (diff) | |
download | external_qemu-c27f813900a3c114562efbb8df1065e94766fc48.zip external_qemu-c27f813900a3c114562efbb8df1065e94766fc48.tar.gz external_qemu-c27f813900a3c114562efbb8df1065e94766fc48.tar.bz2 |
auto import from //branches/cupcake/...@130745
Diffstat (limited to 'cpu-all.h')
-rw-r--r-- | cpu-all.h | 263 |
1 files changed, 166 insertions, 97 deletions
@@ -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 @@ -20,24 +20,25 @@ #ifndef CPU_ALL_H #define CPU_ALL_H -#if defined(__arm__) || defined(__sparc__) +#if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) #define WORDS_ALIGNED #endif -/* 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 +117,11 @@ 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 +141,36 @@ 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 +183,7 @@ typedef union { * type is: * (empty): integer access * f : float access - * + * * sign is: * (empty): for floats or 32 bit size * u : unsigned @@ -158,7 +194,7 @@ 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) @@ -422,7 +458,7 @@ static inline uint64_t ldq_be_p(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); } @@ -459,7 +495,7 @@ 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 */ @@ -488,7 +524,7 @@ static inline float64 ldfq_be_p(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; } @@ -497,7 +533,7 @@ 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 @@ -599,7 +635,7 @@ static inline void stfq_be_p(void *ptr, float64 v) /* 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) ((target_ulong)((unsigned long)(x) - GUEST_BASE)) #define saddr(x) g2h(x) #define laddr(x) g2h(x) @@ -627,7 +663,7 @@ static inline void stfq_be_p(void *ptr, float64 v) #define stfq_raw(p, v) stfq_p(saddr((p)), v) -#if defined(CONFIG_USER_ONLY) +#if defined(CONFIG_USER_ONLY) /* if user mode, no other memory access functions */ #define ldub(p) ldub_raw(p) @@ -650,12 +686,14 @@ 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) @@ -689,78 +727,31 @@ 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(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 - -#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) - -#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 - -#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 - -#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 +int page_check_range(target_ulong start, target_ulong len, int flags); -#else - -#error unsupported target CPU - -#endif - -#endif /* SINGLE_CPU_DEFINES */ +void cpu_exec_init_all(unsigned long tb_size); +CPUState *cpu_copy(CPUState *env); -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 cpu_abort(CPUState *env, const char *fmt, ...) + __attribute__ ((__format__ (__printf__, 2, 3))) + __attribute__ ((__noreturn__)); 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 */ @@ -768,21 +759,34 @@ extern int code_copy_enabled; #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_watchpoint_insert(CPUState *env, target_ulong addr, int type); +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); + +#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) @@ -818,33 +822,59 @@ int cpu_inw(CPUState *env, int addr); int cpu_inl(CPUState *env, int addr); #endif +/* address in the RAM (different from a physical address) */ +#ifdef USE_KQEMU +typedef uint32_t ram_addr_t; +#else +typedef unsigned long ram_addr_t; +#endif + /* memory API */ -extern int phys_ram_size; +extern ram_addr_t 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; /* 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, - unsigned long size, - unsigned long phys_offset); +void cpu_register_physical_memory(target_phys_addr_t start_addr, + ram_addr_t size, + ram_addr_t phys_offset); +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_register_io_memory(int io_index, CPUReadMemoryFunc **mem_read, CPUWriteMemoryFunc **mem_write, @@ -854,12 +884,12 @@ 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, +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, +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); @@ -869,14 +899,15 @@ 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 stq_phys_notdirty(target_phys_addr_t addr, uint64_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); -void cpu_physical_memory_write_rom(target_phys_addr_t addr, +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, +int cpu_memory_rw_debug(CPUState *env, target_ulong addr, uint8_t *buf, int len, int is_write); #define VGA_DIRTY_FLAG 0x01 @@ -888,7 +919,7 @@ 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; @@ -911,14 +942,14 @@ void dump_exec_info(FILE *f, #if defined(__powerpc__) -static inline uint32_t get_tbl(void) +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) +static inline uint32_t get_tbu(void) { uint32_t tbl; asm volatile("mftbu %0" : "=r" (tbl)); @@ -959,6 +990,15 @@ static inline int64_t cpu_get_real_ticks(void) 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) @@ -977,7 +1017,7 @@ static inline int64_t cpu_get_real_ticks(void) return val; } -#elif defined(__sparc__) && defined(HOST_SOLARIS) +#elif defined(__sparc_v8plus__) || defined(__sparc_v8plusa__) || defined(__sparc_v9__) static inline int64_t cpu_get_real_ticks (void) { @@ -998,6 +1038,36 @@ static inline int64_t cpu_get_real_ticks (void) 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 */ @@ -1015,7 +1085,6 @@ 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 */ |