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/* |
/* |
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* Cisco 7200 (Predator) simulation platform. |
* Cisco router simulation platform. |
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* Copyright (c) 2005,2006 Christophe Fillot (cf@utc.fr) |
* Copyright (c) 2005,2006 Christophe Fillot (cf@utc.fr) |
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*/ |
*/ |
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#include <sys/time.h> |
#include <sys/time.h> |
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#include <time.h> |
#include <time.h> |
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#include <netinet/in.h> |
#include <netinet/in.h> |
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#include <pthread.h> |
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#include <signal.h> |
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/* True/False definitions */ |
/* True/False definitions */ |
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#ifndef FALSE |
#ifndef FALSE |
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#define TRUE 1 |
#define TRUE 1 |
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#endif |
#endif |
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/* Host CPU Types */ |
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#define CPU_x86 0 |
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#define CPU_amd64 1 |
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#define CPU_nojit 2 |
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/* Number of host registers available for JIT */ |
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#if JIT_CPU == CPU_x86 |
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#define JIT_HOST_NREG 8 |
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#elif JIT_CPU == CPU_amd64 |
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#define JIT_HOST_NREG 16 |
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#else |
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#define JIT_HOST_NREG 0 |
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#endif |
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/* Endianness */ |
/* Endianness */ |
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#define ARCH_BIG_ENDIAN 0x4321 |
#define ARCH_BIG_ENDIAN 0x4321 |
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#define ARCH_LITTLE_ENDIAN 0x1234 |
#define ARCH_LITTLE_ENDIAN 0x1234 |
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#define ARCH_BYTE_ORDER ARCH_LITTLE_ENDIAN |
#define ARCH_BYTE_ORDER ARCH_LITTLE_ENDIAN |
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#elif defined(__x86_64__) |
#elif defined(__x86_64__) |
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#define ARCH_BYTE_ORDER ARCH_LITTLE_ENDIAN |
#define ARCH_BYTE_ORDER ARCH_LITTLE_ENDIAN |
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#elif defined(__ia64__) |
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#define ARCH_BYTE_ORDER ARCH_LITTLE_ENDIAN |
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#endif |
#endif |
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#ifndef ARCH_BYTE_ORDER |
#ifndef ARCH_BYTE_ORDER |
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#if __GNUC__ > 2 |
#if __GNUC__ > 2 |
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/* http://kerneltrap.org/node/4705 */ |
/* http://kerneltrap.org/node/4705 */ |
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#define likely(x) __builtin_expect((x),1) |
#define likely(x) __builtin_expect(!!(x),1) |
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#define unlikely(x) __builtin_expect((x),0) |
#define unlikely(x) __builtin_expect((x),0) |
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#else |
#else |
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#define likely(x) (x) |
#define likely(x) (x) |
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typedef m_uint64_t m_tmcnt_t; |
typedef m_uint64_t m_tmcnt_t; |
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/* Forward declarations */ |
/* Forward declarations */ |
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typedef struct cpu_gen cpu_gen_t; |
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typedef struct vm_instance vm_instance_t; |
typedef struct vm_instance vm_instance_t; |
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typedef struct insn_block insn_block_t; |
typedef struct vm_platform vm_platform_t; |
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typedef struct mips64_jit_tcb mips64_jit_tcb_t; |
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typedef struct ppc32_jit_tcb ppc32_jit_tcb_t; |
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typedef struct jit_op jit_op_t; |
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/* Translated block function pointer */ |
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typedef void (*insn_tblock_fptr)(void); |
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/* Host executable page */ |
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typedef struct insn_exec_page insn_exec_page_t; |
typedef struct insn_exec_page insn_exec_page_t; |
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struct insn_exec_page { |
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u_char *ptr; |
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insn_exec_page_t *next; |
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}; |
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/* MIPS instruction */ |
/* MIPS instruction */ |
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typedef m_uint32_t mips_insn_t; |
typedef m_uint32_t mips_insn_t; |
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/* PowerPC instruction */ |
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typedef m_uint32_t ppc_insn_t; |
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/* Max and min macro */ |
/* Max and min macro */ |
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#define m_max(a,b) (((a) > (b)) ? (a) : (b)) |
#define m_max(a,b) (((a) > (b)) ? (a) : (b)) |
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#define m_min(a,b) (((a) < (b)) ? (a) : (b)) |
#define m_min(a,b) (((a) < (b)) ? (a) : (b)) |
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m_uint64_t len; |
m_uint64_t len; |
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m_uint32_t cached; |
m_uint32_t cached; |
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m_uint32_t tlb_index; |
m_uint32_t tlb_index; |
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m_uint32_t offset; |
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}mts_map_t; |
}mts_map_t; |
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/* Invalid VTLB entry */ |
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#define MTS_INV_ENTRY_MASK 0x00000001 |
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/* MTS entry flags */ |
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#define MTS_FLAG_DEV 0x000000001 /* Virtual device used */ |
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#define MTS_FLAG_COW 0x000000002 /* Copy-On-Write */ |
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#define MTS_FLAG_EXEC 0x000000004 /* Exec page */ |
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/* Virtual TLB entry (32-bit MMU) */ |
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typedef struct mts32_entry mts32_entry_t; |
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struct mts32_entry { |
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m_uint32_t gvpa; /* Guest Virtual Page Address */ |
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m_uint32_t gppa; /* Guest Physical Page Address */ |
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m_iptr_t hpa; /* Host Page Address */ |
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m_uint32_t flags; /* Flags */ |
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}__attribute__ ((aligned(16))); |
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/* Virtual TLB entry (64-bit MMU) */ |
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typedef struct mts64_entry mts64_entry_t; |
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struct mts64_entry { |
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m_uint64_t gvpa; /* Guest Virtual Page Address */ |
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m_uint64_t gppa; /* Guest Physical Page Address */ |
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m_iptr_t hpa; /* Host Page Address */ |
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m_uint32_t flags; /* Flags */ |
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}__attribute__ ((aligned(16))); |
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/* Host register allocation */ |
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#define HREG_FLAG_ALLOC_LOCKED 1 |
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#define HREG_FLAG_ALLOC_FORCED 2 |
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struct hreg_map { |
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int hreg,vreg; |
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int flags; |
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struct hreg_map *prev,*next; |
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}; |
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/* Global logfile */ |
/* Global logfile */ |
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extern FILE *log_file; |
extern FILE *log_file; |
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return (x << len) >> len; |
return (x << len) >> len; |
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} |
} |
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/* Sign-extension (32-bit) */ |
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static forced_inline m_int32_t sign_extend_32(m_int32_t x,int len) |
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{ |
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len = 32 - len; |
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return (x << len) >> len; |
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} |
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/* Extract bits from a 32-bit values */ |
/* Extract bits from a 32-bit values */ |
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static inline int bits(m_uint32_t val,int start,int end) |
static inline int bits(m_uint32_t val,int start,int end) |
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{ |
{ |
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return(((m_tmcnt_t)tvp.tv_sec * 1000000) + (m_tmcnt_t)tvp.tv_usec); |
return(((m_tmcnt_t)tvp.tv_sec * 1000000) + (m_tmcnt_t)tvp.tv_usec); |
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} |
} |
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#ifdef __CYGWIN__ |
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#define GET_TIMEZONE _timezone |
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#else |
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#define GET_TIMEZONE timezone |
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#endif |
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/* Get current time in number of ms (localtime) */ |
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static inline m_tmcnt_t m_gettime_adj(void) |
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{ |
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struct timeval tvp; |
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struct tm tmx; |
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time_t gmt_adjust; |
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time_t ct; |
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gettimeofday(&tvp,NULL); |
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ct = tvp.tv_sec; |
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localtime_r(&ct,&tmx); |
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#if defined(__CYGWIN__) || defined(SUNOS) |
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gmt_adjust = -(tmx.tm_isdst ? GET_TIMEZONE - 3600 : GET_TIMEZONE); |
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#else |
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gmt_adjust = tmx.tm_gmtoff; |
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#endif |
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tvp.tv_sec += gmt_adjust; |
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return(((m_tmcnt_t)tvp.tv_sec * 1000) + ((m_tmcnt_t)tvp.tv_usec / 1000)); |
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} |
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/* Add an element to a list */ |
/* Add an element to a list */ |
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m_list_t *m_list_add(m_list_t **head,void *data); |
m_list_t *m_list_add(m_list_t **head,void *data); |
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char *m_fgets(char *buffer,int size,FILE *fd); |
char *m_fgets(char *buffer,int size,FILE *fd); |
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/* Read a file and returns it in a buffer */ |
/* Read a file and returns it in a buffer */ |
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ssize_t m_read_file(char *filename,char **buffer); |
ssize_t m_read_file(char *filename,u_char **buffer); |
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/* Allocate aligned memory */ |
/* Allocate aligned memory */ |
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void *m_memalign(size_t boundary,size_t size); |
void *m_memalign(size_t boundary,size_t size); |
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/* Block specified signal for calling thread */ |
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int m_signal_block(int sig); |
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/* Unblock specified signal for calling thread */ |
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int m_signal_unblock(int sig); |
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/* Set non-blocking mode on a file descriptor */ |
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int m_fd_set_non_block(int fd); |
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/* Map a memory zone from a file */ |
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u_char *memzone_map_file(int fd,size_t len); |
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/* Map a memory zone from a file, with copy-on-write (COW) */ |
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u_char *memzone_map_cow_file(int fd,size_t len); |
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/* Create a file to serve as a memory zone */ |
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int memzone_create_file(char *filename,size_t len,u_char **ptr); |
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/* Open a file to serve as a COW memory zone */ |
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int memzone_open_cow_file(char *filename,size_t len,u_char **ptr); |
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/* Open a file and map it in memory */ |
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int memzone_open_file(char *filename,u_char **ptr,off_t *fsize); |
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/* Compute NVRAM checksum */ |
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m_uint16_t nvram_cksum(m_uint16_t *ptr,size_t count); |
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/* Byte-swap a memory block */ |
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void mem_bswap32(void *ptr,size_t len); |
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/* Reverse a byte */ |
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m_uint8_t m_reverse_u8(m_uint8_t val); |
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#endif |
#endif |