svn merge file:///D:/svnrepos/vcxsrv/branches/released .

1 files changed, 0 insertions, 225 deletions

diff --git a/xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.c b/xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.c
index b482b867a..0500bf6c1 100644
--- a/xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.c
+++ b/xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.c
@@ -26,233 +26,8 @@ Thanks to Linus Torvalds for contributing this code.
 
 #include "compiler.h"
 
-/*
- * The Jensen lacks dense memory, thus we have to address the bus via
- * the sparse addressing scheme. These routines are only used in s3im.c
- * Non time critical code uses SlowBCopy_{from/to} bus.
- *
- * Martin Ostermann (ost@comnets.rwth-aachen.de) - Apr.-Sep. 1996
- */
-
-#ifdef TEST_JENSEN_CODE /* define to test the Sparse addressing on a non-Jensen */
-#define LWORD_CODING (0x18)
-#define SPARSE (5)
-#else
 #define LWORD_CODING (0x60)
 #define SPARSE (7)
-#endif
-
-void
-xf86JensenMemToBus(char *Base, long dst, long src, int count)
-{
-    if( ((long)src^((long)dst)) & 3) {  
-                               /* src & dst are NOT aligned to each other */
-	unsigned long addr;
-	unsigned long low_word, high_word,last_read;
-	long  rm,loop;
-	unsigned long tmp,org,org2,mask,src_org,count_org;
-	
-	src_org=src;
-	count_org=count;
-    
-	/* add EISA longword coding and round off*/
-	addr = (long)(Base+(dst<<SPARSE) + LWORD_CODING) & ~(3<<SPARSE);
-	rm = (long)dst & 3;
-	count += rm;
-	
-	count = count_org + rm;
-	org = *(volatile unsigned int *)addr;
-	__asm__("ldq_u %0,%1"
-		:"=r" (low_word):"m" (*(unsigned long *)(src_org)));
-	src = src_org - rm;
-	if( count > 4  ) {
-	    last_read = src_org+count_org - 1;
-	    __asm__("ldq_u %0,%1"
-		    :"=r" (high_word):"m" (*(unsigned long *)(src+4)));
-	    __asm__("extll %1,%2,%0"
-		    :"=r" (low_word)
-		    :"r" (low_word), "r" ((unsigned long)(src)));
-	    __asm__("extlh %1,%2,%0"
-		    :"=r" (tmp)
-		    :"r" (high_word), "r" ((unsigned long)(src)));
-	    tmp |= low_word;
-	    src += 4;
-	    __asm__("mskqh %1,%2,%0"
-		    :"=r" (tmp)
-		    :"r" (tmp), "r" (rm));
-	    __asm__("mskql %1,%2,%0"
-		    :"=r" (org2)
-		    :"r" (org), "r" (rm));
-	    tmp |= org2;
-      
-	    loop = (count-4) >> 2; /* loop eqv. count>=4 ; count -= 4 */
-	    while (loop) {
-                     /* tmp to be stored completly -- need to read next word*/
-		low_word = high_word;
-		*(volatile unsigned int *) (addr) = tmp;
-		__asm__("ldq_u %0,%1"
-			:"=r" (high_word):"m" (*(unsigned long*)(src+4)));
-		loop --;
-		__asm__("extll %1,%2,%0"
-			:"=r" (low_word)
-			:"r" (low_word), "r" ((unsigned long)src));
-		__asm__("extlh %1,%2,%0"
-			:"=r" (tmp)
-			:"r" (high_word), "r" ((unsigned long)src));
-		src += 4;
-		tmp |= low_word;
-		addr += 4<<SPARSE;
-	    }
-	    if ( count & 3 ) {
-                     /* Store tmp completly, and possibly read one more word.*/
-		*(volatile unsigned int *) (addr) = tmp;
-		__asm__("ldq_u %0,%1"
-			:"=r" (tmp):"m" (*((unsigned long *)(last_read)) ));
-		addr += 4<<SPARSE;
-		__asm__("extll %1,%2,%0"
-			:"=r" (low_word)
-			:"r" (high_word), "r" ((unsigned long)src));
-		__asm__("extlh %1,%2,%0"
-			:"=r" (tmp)
-			:"r" (tmp), "r" ((unsigned long)src));
-		tmp |= low_word;
-		org = *(volatile unsigned int *)addr;
-		
-		__asm__("mskql %1,%2,%0"
-			:"=r" (tmp)
-			:"r" (tmp), "r" (count&3));
-		__asm__("mskqh %1,%2,%0"
-			:"=r" (org)
-			:"r" (org), "r" (count&3));
-		
-		tmp |= org;
-	    } 
-	    *(volatile unsigned int *) (addr) = tmp;
-	    return;
-	} else {         /* count > 4  */
-	    __asm__("ldq_u %0,%1"
-		    :"=r" (high_word):"m" (*(unsigned long *)(src+4)));
-	    __asm__("extll %1,%2,%0"
-		    :"=r" (low_word)
-		    :"r" (low_word), "r" ((unsigned long)(src)));
-	    __asm__("extlh %1,%2,%0"
-		    :"=r" (tmp)
-		    :"r" (high_word), "r" ((unsigned long)(src)));
-	    tmp |= low_word;
-	    if( count < 4 ) {
-		
-		mask = -1;
-		__asm__("mskqh %1,%2,%0"
-			:"=r" (mask)
-			:"r" (mask), "r" (rm));
-		__asm__("mskql %1,%2,%0"
-			:"=r" (mask)
-			:"r" (mask), "r" (count));
-		tmp = (tmp & mask) | (org & ~mask);
-		*(volatile unsigned int *) (addr) = tmp;
-		return;
-	    }  else {
-		__asm__("mskqh %1,%2,%0"
-			:"=r" (tmp)
-			:"r" (tmp), "r" (rm));
-		__asm__("mskql %1,%2,%0"
-			:"=r" (org2)
-			:"r" (org), "r" (rm));
-		
-		tmp |= org2;
-		*(volatile unsigned int *) (addr) = tmp;
-		return;
-	    }
-	}
-    } else {          /* src & dst are aligned to each other */
-	unsigned long addr;
-	unsigned int tmp,org,rm;
-	unsigned int *src_r;
-	
-	/* add EISA longword coding and round off*/
-	addr = (long)(Base+(dst<<SPARSE) + LWORD_CODING) & ~(3<<SPARSE);
-	
-	src_r = (unsigned int*)((long)src & ~3L);
-	rm=(long)src & 3;
-	count += rm;
-	
-	tmp = *src_r;
-	org = *(volatile unsigned int *)addr;
-	
-	__asm__("mskqh %1,%2,%0"
-		:"=r" (tmp)
-		:"r" (tmp), "r" (rm));
-	__asm__("mskql %1,%2,%0"
-		:"=r" (org)
-		:"r" (org), "r" (rm));
-	
-	tmp |= org;
-	
-	while (count > 4) {
-	    *(volatile unsigned int *) addr = tmp;
-	    addr += 4<<SPARSE;
-	    src_r += 1;
-	    tmp = *src_r;
-	    count -= 4;
-	}
-	
-	org = *(volatile unsigned int *)addr;
-	__asm__("mskql %1,%2,%0"
-		:"=r" (tmp)
-		:"r" (tmp), "r" (count));
-	__asm__("mskqh %1,%2,%0"
-		:"=r" (org)
-		:"r" (org), "r" (count));
-	tmp |= org;
-	*(volatile unsigned int *) (addr) = tmp;
-    }
-}
-
-void
-xf86JensenBusToMem(char *Base, char *dst, unsigned long src, int count)
-{
-#if 0
-  /* Optimization of BusToMem() is left as an exercise to the reader ;-)    
-   * Consider that ldq_u/extlh/extll won't work because of the bus being
-   * only 4 bytes wide! 
-   */
-#else
-  unsigned long addr;
-  long result;
-
-  addr = (unsigned long)(Base+(src<<SPARSE)) ;
-  while( addr & (3<<SPARSE) ){
-    if(count <= 0) return;
-    result = *(volatile int *) addr;
-    result >>= ((addr>>SPARSE) & 3) * 8;
-    *dst++ = (char) result;
-    addr += 1<<SPARSE;
-    count--;
-  }
-  count -=4;
-  while(count >= 0){
-    int i;
-
-    result = *(volatile int *) (addr+LWORD_CODING);
-    for(i=4;i--;) {
-      *dst++ = (char) result;
-      result >>= 8;
-    }
-    addr += 4<<SPARSE;
-    count -= 4;
-  }
-  count +=4;
-  
-  while( count ){
-    result = *(volatile int *) addr;
-    result >>= ((addr>>SPARSE) & 3) * 8;
-    *dst++ = (char) result;
-    addr += 1<<SPARSE;
-    count--;
-  }
-#endif  
-}
-
 
 static unsigned long __memcpy(unsigned long dest, unsigned long src, int n);