35.1.4. MIPS

 
  THIS SECTION IS UNDER CONSTRUCTION  
 

  


IDT MIPS R4600:
  


MIPS 20K:
  




  
  Эволюция 
 

32-bit:
	R2000 ['86]	MIPS I
	  |
	  V
	R3000 ['88]	MIPS II
	  |
	  V
	R6000 ['91]



64-bit:
		R4000 ['92] ------- > R4200 ['93] ---- > R4300i ['95]
		  |
		  V
	        R4400 ['92]  ------- > R4600 ['94]  ---- > R4700 ['95]
		  |
		  V
		R5000 ['96]  ------- > R7000 ['97]
		  |
		  V
		R8000  ['94]
		  |
		  V
		R10000 ['96]
		  |
		  V
		R12000 ['98]
		  |
		  V
		R20000 ['00-'01?]

TO DO: Показать где MIPS IV и MIPS V




  
  Регистры 
 

 -----------------------------------------------------------------
	$0		Zero, uncgangable
	$1		Reserved for assembler
	$2-$3		Function Return value
	$4-$7		First few procedure arguments
	$8-$15		Scracth register
	$16-$23		register variables
	$24-$25		Scratch register
	$26-$27		Reserved for operating system
	$28		Global pointer (also called $gp)
	$29		Stack pointer  (also called $sp)
	$30		registers variable
	$31		procedure return address
	$f0-$f2		function return value
	$f4-$f10	scratch register
	$f12-$f14	First two procedure arguments
	$f16-$f18	Scratch registers
	$f20-$f30	Register variables
	Zero Register:	$0
	Direction:
			<----------
	Memory Access:		offset(base)
			la	$2,x($4)		
	Intermediate Values: num  0xnum
			and	$1,$5,0xff
			
	Generations:	
			MIPS I, II 	- 32-bit
			MIPS III, IV	- 64-bit
			
	 -----------------------------------------------------------------

Форматы обращения к памяти:
		disp16(Rb)   integer
		Ri(Rb)       only FP.

  




  
  Особенности 
 
	RISC микропроцессор
	Расширения Multimedia: MDMX - integer, MIPS V - fp