--- upstream/dynamips-0.2.6-RC2/utils.h	2007/10/06 16:05:34	3
+++ upstream/dynamips-0.2.7/utils.h	2007/10/06 16:29:14	10
@@ -1,5 +1,5 @@
 /*
- * Cisco 7200 (Predator) simulation platform.
+ * Cisco router simulation platform.
  * Copyright (c) 2005,2006 Christophe Fillot (cf@utc.fr)
  */
 
@@ -22,6 +22,20 @@
 #define TRUE  1
 #endif
 
+/* Host CPU Types */
+#define CPU_x86    0
+#define CPU_amd64  1
+#define CPU_nojit  2
+
+/* Number of host registers available for JIT */
+#if JIT_CPU == CPU_x86
+#define JIT_HOST_NREG  8
+#elif JIT_CPU == CPU_amd64
+#define JIT_HOST_NREG  16
+#else
+#define JIT_HOST_NREG  0
+#endif
+
 /* Endianness */
 #define ARCH_BIG_ENDIAN     0x4321
 #define ARCH_LITTLE_ENDIAN  0x1234
@@ -99,13 +113,28 @@
 typedef m_uint64_t m_tmcnt_t;
 
 /* Forward declarations */
+typedef struct cpu_gen cpu_gen_t;
 typedef struct vm_instance vm_instance_t;
-typedef struct insn_block insn_block_t;
+typedef struct mips64_jit_tcb mips64_jit_tcb_t;
+typedef struct ppc32_jit_tcb ppc32_jit_tcb_t;
+typedef struct jit_op jit_op_t;
+
+/* Translated block function pointer */
+typedef void (*insn_tblock_fptr)(void);
+
+/* Host executable page */
 typedef struct insn_exec_page insn_exec_page_t;
+struct insn_exec_page {
+   u_char *ptr;
+   insn_exec_page_t *next;
+};
 
 /* MIPS instruction */
 typedef m_uint32_t mips_insn_t;
 
+/* PowerPC instruction */
+typedef m_uint32_t ppc_insn_t;
+
 /* Max and min macro */
 #define m_max(a,b) (((a) > (b)) ? (a) : (b))
 #define m_min(a,b) (((a) < (b)) ? (a) : (b))
@@ -140,6 +169,42 @@
    m_uint32_t tlb_index;
 }mts_map_t;
 
+/* Invalid VTLB entry */
+#define MTS_INV_ENTRY_MASK  0x00000001
+
+/* MTS entry flags */
+#define MTS_FLAG_DEV   0x000000001   /* Virtual device used */
+#define MTS_FLAG_COW   0x000000002   /* Copy-On-Write */
+#define MTS_FLAG_EXEC  0x000000004   /* Exec page */
+
+/* Virtual TLB entry (32-bit MMU) */
+typedef struct mts32_entry mts32_entry_t;
+struct mts32_entry {
+   m_uint32_t gvpa;   /* Guest Virtual Page Address */
+   m_uint32_t gppa;   /* Guest Physical Page Address */
+   m_iptr_t   hpa;    /* Host Page Address */
+   m_uint32_t flags;  /* Flags */
+}__attribute__ ((aligned(16)));
+
+/* Virtual TLB entry (64-bit MMU) */
+typedef struct mts64_entry mts64_entry_t;
+struct mts64_entry {
+   m_uint64_t gvpa;   /* Guest Virtual Page Address */
+   m_uint64_t gppa;   /* Guest Physical Page Address */
+   m_iptr_t   hpa;    /* Host Page Address */
+   m_uint32_t flags;  /* Flags */
+}__attribute__ ((aligned(16)));
+
+/* Host register allocation */
+#define HREG_FLAG_ALLOC_LOCKED  1
+#define HREG_FLAG_ALLOC_FORCED  2
+
+struct hreg_map {
+   int hreg,vreg;
+   int flags;
+   struct hreg_map *prev,*next;
+};
+
 /* Global logfile */
 extern FILE *log_file;
 
@@ -165,6 +230,13 @@
    return (x << len) >> len;
 }
 
+/* Sign-extension (32-bit) */
+static forced_inline m_int32_t sign_extend_32(m_int32_t x,int len)
+{
+   len = 32 - len;
+   return (x << len) >> len;
+}
+
 /* Extract bits from a 32-bit values */
 static inline int bits(m_uint32_t val,int start,int end)
 {
@@ -293,4 +365,28 @@
 /* Set non-blocking mode on a file descriptor */
 int m_fd_set_non_block(int fd);
 
+/* Map a memory zone from a file */
+u_char *memzone_map_file(int fd,size_t len);
+
+/* Map a memory zone from a file, with copy-on-write (COW) */
+u_char *memzone_map_cow_file(int fd,size_t len);
+
+/* Create a file to serve as a memory zone */
+int memzone_create_file(char *filename,size_t len,u_char **ptr);
+
+/* Open a file to serve as a COW memory zone */
+int memzone_open_cow_file(char *filename,size_t len,u_char **ptr);
+
+/* Open a file and map it in memory */
+int memzone_open_file(char *filename,u_char **ptr,off_t *fsize);
+
+/* Compute NVRAM checksum */
+m_uint16_t nvram_cksum(m_uint16_t *ptr,size_t count);
+
+/* Byte-swap a memory block */
+void mem_bswap32(void *ptr,size_t len);
+
+/* Reverse a byte */
+m_uint8_t m_reverse_u8(m_uint8_t val);
+
 #endif