X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=cpu-defs.h;h=388d4abdbb13df94d44b71975ef7520a4ad4309e;hb=9fddaa0c0cabb610947146a79b4a9a38b0a216e5;hp=84b5e280e0cf10784746cf6740a2ecc1850a89a9;hpb=db8d74668856e5bbc6c8fede0bb17c4f83e7debf;p=qemu diff --git a/cpu-defs.h b/cpu-defs.h index 84b5e28..388d4ab 100644 --- a/cpu-defs.h +++ b/cpu-defs.h @@ -22,6 +22,55 @@ #include "config.h" #include +#include +#include "osdep.h" + +#ifndef TARGET_LONG_BITS +#error TARGET_LONG_BITS must be defined before including this header +#endif + +#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) +#define HOST_LONG_BITS 64 +#else +#define HOST_LONG_BITS 32 +#endif + +#ifndef TARGET_PHYS_ADDR_BITS +#if TARGET_LONG_BITS >= HOST_LONG_BITS +#define TARGET_PHYS_ADDR_BITS TARGET_LONG_BITS +#else +#define TARGET_PHYS_ADDR_BITS HOST_LONG_BITS +#endif +#endif + +#define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8) + +/* target_ulong is the type of a virtual address */ +#if TARGET_LONG_SIZE == 4 +typedef int32_t target_long; +typedef uint32_t target_ulong; +#elif TARGET_LONG_SIZE == 8 +typedef int64_t target_long; +typedef uint64_t target_ulong; +#else +#error TARGET_LONG_SIZE undefined +#endif + +/* target_phys_addr_t is the type of a physical address (its size can + be different from 'target_ulong'). We have sizeof(target_phys_addr) + = max(sizeof(unsigned long), + sizeof(size_of_target_physical_address)) because we must pass a + host pointer to memory operations in some cases */ + +#if TARGET_PHYS_ADDR_BITS == 32 +typedef uint32_t target_phys_addr_t; +#elif TARGET_PHYS_ADDR_BITS == 64 +typedef uint64_t target_phys_addr_t; +#else +#error TARGET_PHYS_ADDR_BITS undefined +#endif + +#define HOST_LONG_SIZE (HOST_LONG_BITS / 8) #define EXCP_INTERRUPT 256 /* async interruption */ #define EXCP_HLT 257 /* hlt instruction reached */ @@ -38,9 +87,9 @@ typedef struct CPUTLBEntry { bit 3 : indicates that the entry is invalid bit 2..0 : zero */ - uint32_t address; + target_ulong address; /* addend to virtual address to get physical address */ - uint32_t addend; + target_phys_addr_t addend; } CPUTLBEntry; #endif