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Moved disk functions to drivers/bus/bios_disks.c

tags/v0.9.3
Michael Brown 19 lat temu
rodzic
commit
c245ab75ad

+ 0
- 56
src/arch/i386/firmware/pcbios/bios.c Wyświetl plik

@@ -64,59 +64,3 @@ void cpu_nap ( void ) {
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 		    IN_CONSTRAINTS (),
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 		    CLOBBER ( "eax" ) ); /* can't have an empty clobber list */
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 }
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-
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-#if	(TRY_FLOPPY_FIRST > 0)
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-/**************************************************************************
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-DISK_INIT - Initialize the disk system
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-**************************************************************************/
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-void disk_init ( void ) {
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-	REAL_EXEC ( rm_disk_init,
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-		    "sti\n\t"
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-		    "xorw %ax,%ax\n\t"
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-		    "movb $0x80,%dl\n\t"
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-		    "int $0x13\n\t"
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-		    "cli\n\t",
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-		    0,
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-		    OUT_CONSTRAINTS (),
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-		    IN_CONSTRAINTS (),
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-   		    CLOBBER ( "eax", "ebx", "ecx", "edx",
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-			      "ebp", "esi", "edi" ) );
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-}
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-
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-/**************************************************************************
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-DISK_READ - Read a sector from disk
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-**************************************************************************/
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-unsigned int pcbios_disk_read ( int drive, int cylinder, int head, int sector,
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-				char *fixme_buf ) {
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-	uint16_t ax, flags, discard_c, discard_d;
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-	segoff_t buf = SEGOFF ( fixme_buf );
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-
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-	/* FIXME: buf should be passed in as a segoff_t rather than a
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-	 * char *
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-	 */
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-
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-	REAL_EXEC ( rm_pcbios_disk_read,
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-		    "sti\n\t"
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-		    "pushl %%ebx\n\t"	   /* Convert %ebx to %es:bx */
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-		    "popl %%bx\n\t"
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-		    "popl %%es\n\t"
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-		    "movb $0x02, %%ah\n\t" /* INT 13,2 - Read disk sector */
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-		    "movb $0x01, %%al\n\t" /* Read one sector */
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-		    "int $0x13\n\t"
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-		    "pushfw\n\t"
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-		    "popw %%bx\n\t"
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-		    "cli\n\t",
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-		    4,
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-		    OUT_CONSTRAINTS ( "=a" ( ax ), "=b" ( flags ),
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-				      "=c" ( discard_c ), "=d" ( discard_d ) ),
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-		    IN_CONSTRAINTS ( "c" ( ( ( cylinder & 0xff ) << 8 ) |
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-					   ( ( cylinder >> 8 ) & 0x3 ) |
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-					   sector ),
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-				     "d" ( ( head << 8 ) | drive ),
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-				     "b" ( buf ) ),
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-		    CLOBBER ( "ebp", "esi", "edi" ) );
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-	);
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-
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-	return ( flags & CF ) ? ax : 0;
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-}
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-#endif /* TRY_FLOPPY_FIRST */

+ 0
- 3
src/arch/i386/include/bios.h Wyświetl plik

@@ -3,8 +3,5 @@
3 3
 
4 4
 extern unsigned long currticks ( void );
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 extern void cpu_nap ( void );
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-extern void disk_init ( void );
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-extern unsigned int pcbios_disk_read ( int drive, int cylinder, int head,
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-				       int sector, char *fixme_buf );
9 6
 
10 7
 #endif /* BIOS_H */

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