--- upstream/dynamips-0.2.6-RC4/utils.h 2007/10/06 16:08:03 5 +++ upstream/dynamips-0.2.7-RC1/utils.h 2007/10/06 16:23:47 7 @@ -1,5 +1,5 @@ /* - * Cisco 7200 (Predator) simulation platform. + * Cisco router simulation platform. * Copyright (c) 2005,2006 Christophe Fillot (cf@utc.fr) */ @@ -100,12 +100,25 @@ /* Forward declarations */ 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; + +/* 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 +153,31 @@ 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 */ + +/* 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))); + /* Global logfile */ extern FILE *log_file; @@ -165,6 +203,13 @@ 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) { @@ -311,4 +356,7 @@ /* 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); + #endif