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/*
* UAE - The Un*x Amiga Emulator
*
* cpp magic
*
* Copyright 1995, 1996 Bernd Schmidt, Ed Hanway
*/
#ifdef WIN32
#define INLINE_DECLARATION __inline
#else
#define INLINE_DECLARATION __inline__
#endif
#define CPU_EMU_SIZE 0
#if 0
#ifdef __mac__
/* Apparently, no memcpy :-/ */
static __inline__ void *memcpy(void *to, void *from, int size)
{
BlockMove(from, to, size);
}
#endif
/* strdup() may be non-portable if you have a weird system */
static char *my_strdup(const char*s)
{
/* The casts to char * are there to shut up the compiler on HPUX */
char *x = (char*)malloc(strlen((char *)s) + 1);
strcpy(x, (char *)s);
return x;
}
#undef REGPARAM
#define fast_memcmp memcmp
#define memcmpy generic_memcmpy
static __inline__ int generic_memcmpy(void *foo, const void *bar, int len)
{
int res = memcmp(foo, bar, len);
if (res)
memcpy(foo, bar, len);
return res;
}
#if defined(__GNUC_MINOR__)
#ifdef __i386__
//#define INTEL_FLAG_OPT //fuck !! asm compie po, fait chier
#undef fast_memcmp
#undef memcmpy
static __inline__ int fast_memcmp(const void *foo, const void *bar, int len)
{
int differs, baz;
__asm__ __volatile__ ("subl $4, %2\n"
"jc 2f\n"
"1:\n"
"movl (%0),%%ebx\n"
"cmpl (%1),%%ebx\n"
"jne 5f\n"
"addl $4, %0\n"
"addl $4, %1\n"
"subl $4, %2\n"
"jnc 1b\n"
"2:\n"
"addl $4, %2\n"
"jz 4f\n"
"3:\n"
"movb (%0),%%bl\n"
"cmpb (%1),%%bl\n"
"jne 5f\n"
"incl %0\n"
"incl %1\n"
"decl %2\n"
"jnz 3b\n"
"4:\n"
"movl $0, %3\n"
"jmp 6f\n"
"5:\n"
"movl $1, %3\n"
"6:\n"
: "=&r" (foo), "=&r" (bar), "=&rm" (len), "=rm" (differs),
"=&b" (baz)
: "0" (foo), "1" (bar), "2" (len), "3" (baz) : "cc");
return differs;
}
static __inline__ int memcmpy(void *foo, const void *bar, int len)
{
int differs, baz = 0, uupzuq = 0;
/* printf("%p %p %d\n", foo, bar, len);*/
__asm__ __volatile__ ("subl %1, %2\n"
"movl $0, %0\n"
"subl $16, %3\n"
"jc 7f\n"
"8:\n"
"movl (%1),%%ecx\n"
"movl (%2,%1),%%ebx\n"
"xorl %%ebx, %%ecx\n"
"movl %%ebx, (%1)\n"
"orl %%ecx, %0\n"
"movl 4(%2,%1),%%ebx\n"
"movl 4(%1),%%ecx\n"
"xorl %%ebx, %%ecx\n"
"movl %%ebx, 4(%1)\n"
"orl %%ecx, %0\n"
"movl 8(%2,%1),%%ebx\n"
"movl 8(%1),%%ecx\n"
"xorl %%ebx, %%ecx\n"
"movl %%ebx, 8(%1)\n"
"orl %%ecx, %0\n"
"movl 12(%2,%1),%%ebx\n"
"movl 12(%1),%%ecx\n"
"xorl %%ebx, %%ecx\n"
"movl %%ebx, 12(%1)\n"
"orl %%ecx, %0\n"
"addl $16, %1\n"
"subl $16, %3\n"
"jnc 8b\n"
"7:\n"
"addl $16, %3\n"
"subl $4, %3\n"
"jc 2f\n"
"1:\n"
"movl (%2,%1),%%ebx\n"
"movl (%1),%%ecx\n"
"xorl %%ebx, %%ecx\n"
"movl %%ebx, (%1)\n"
"orl %%ecx, %0\n"
"addl $4, %1\n"
"subl $4, %3\n"
"jnc 1b\n"
"2:\n"
"addl $4, %3\n"
"jz 6f\n"
"xorl %%ecx, %%ecx\n"
"3:\n"
"movb (%2,%1),%%bl\n"
"movb (%1),%%cl\n"
"xorl %%bl,%%cl\n"
"movb %%bl,(%1)\n"
"orl %%ecx, %0\n"
"incl %1\n"
"decl %3\n"
"jnz 3b\n"
"6:\n"
: "=m" (differs)
: "r" (foo), "r" (bar), "r" (len), "b" (baz), "c" (uupzuq) : "cc", "memory");
/* Now tell the compiler that foo, bar and len have been modified
* If someone finds a way to express all this cleaner in constraints that
* GCC 2.7.2 understands, please FIXME */
__asm__ __volatile__ ("" : "=rm" (foo), "=rm" (bar), "=rm" (len) : : "ebx", "ecx", "edx", "eax", "esi", "memory");
/* printf("bar\n");*/
return differs;
}
#endif
#if __GNUC__ > 2 || __GNUC_MINOR__ > 6
#if defined(__i386__) && !defined(USE_PROFILING)
#define REGPARAM __attribute__((regparm(3)))
#endif /* __i386__ */
#endif /* GCC version 2.7 or higher */
#endif /* GCC 2 */
#ifndef REGPARAM
#define REGPARAM
#endif
/*
* You can specify numbers from 0 to 5 here. It is possible that higher
* numbers will make the CPU emulation slightly faster, but if the setting
* is too high, you will run out of memory while compiling.
* Best to leave this as it is.
*/
#define CPU_EMU_SIZE 0
/* Include Debugger in emulator */
#define DEBUGGER
/* Use the Pentium Internal Cycle Counter for timing */
#define PENT_COUNTER
/* Define for unix-like interface optiions */
#define IN_UNIX
#endif
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