81 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Factor
		
	
	
| ! Copyright (C) 2011 Erik Charlebois.
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| ! See http://factorcode.org/license.txt for BSD license.
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| USING: parser system kernel sequences math math.ranges
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| cpu.ppc.assembler combinators compiler.constants
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| bootstrap.image.private layouts namespaces ;
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| IN: bootstrap.ppc
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| 
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| 8 \ cell set
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| big-endian on
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| 
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| : reserved-size ( -- n ) 48 ;
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| : lr-save ( -- n ) 16 ;
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| 
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| CONSTANT: ds-reg    14
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| CONSTANT: rs-reg    15
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| CONSTANT: vm-reg    16
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| CONSTANT: ctx-reg   17
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| CONSTANT: frame-reg 31
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| : nv-int-regs ( -- seq ) 13 31 [a,b] ;
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| 
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| : LOAD64 ( r n -- )
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|     [ dup ] dip {
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|         [ nip -48 shift 0xffff bitand LIS ]
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|         [ -32 shift 0xffff bitand ORI ]
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|         [ drop 32 SLDI ]
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|         [ -16 shift 0xffff bitand ORIS ]
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|         [ 0xffff bitand ORI ]
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|     } 3cleave ;
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| 
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| : jit-trap-null ( src -- ) drop ;
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| : jit-load-vm ( dst -- )
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|     0 LOAD64 0 rc-absolute-ppc-2/2/2/2 jit-vm ;
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| : jit-load-dlsym ( dst string -- )
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|     [ 0 LOAD64 ] dip rc-absolute-ppc-2/2/2/2 jit-dlsym ;
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| : jit-load-dlsym-toc ( string -- )
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|     [ 2 0 LOAD64 ] dip rc-absolute-ppc-2/2/2/2 jit-dlsym-toc ;
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| : jit-load-vm-arg ( dst -- )
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|     0 LOAD64 rc-absolute-ppc-2/2/2/2 rt-vm jit-rel ;
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| : jit-load-entry-point-arg ( dst -- )
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|     0 LOAD64 rc-absolute-ppc-2/2/2/2 rt-entry-point jit-rel ;
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| : jit-load-this-arg ( dst -- )
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|     0 LOAD64 rc-absolute-ppc-2/2/2/2 rt-this jit-rel ;
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| : jit-load-literal-arg ( dst -- )
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|     0 LOAD64 rc-absolute-ppc-2/2/2/2 rt-literal jit-rel ;
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| : jit-load-dlsym-arg ( dst -- )
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|     0 LOAD64 rc-absolute-ppc-2/2/2/2 rt-dlsym jit-rel ;
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| : jit-load-dlsym-toc-arg ( -- )
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|     2 0 LOAD64 rc-absolute-ppc-2/2/2/2 rt-dlsym-toc jit-rel ;
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| : jit-load-here-arg ( dst -- )
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|     0 LOAD64 rc-absolute-ppc-2/2/2/2 rt-here jit-rel ;
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| : jit-load-megamorphic-cache-arg ( dst -- )
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|     0 LOAD64 rc-absolute-ppc-2/2/2/2 rt-megamorphic-cache-hits jit-rel ;
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| : jit-load-cell ( dst src offset -- ) LD ;
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| : jit-load-cell-x ( dst src offset -- ) LDX ;
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| : jit-load-cell-update ( dst src offset -- ) LDU ;
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| : jit-save-cell ( dst src offset -- ) STD ;
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| : jit-save-cell-x ( dst src offset -- ) STDX ;
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| : jit-save-cell-update ( dst src offset -- ) STDU ;
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| : jit-load-int ( dst src offset -- ) LD ;
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| : jit-save-int ( dst src offset -- ) STD ;
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| : jit-shift-tag-bits ( dst src -- ) tag-bits get SRADI ;
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| : jit-mask-tag-bits ( dst src -- ) tag-bits get CLRRDI ;
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| : jit-shift-fixnum-slot ( dst src -- ) 1 SRADI ;
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| : jit-class-hashcode ( dst src -- ) 1 SRADI ;
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| : jit-shift-left-logical ( dst src n -- ) SLD ;
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| : jit-shift-left-logical-imm ( dst src n -- ) SLDI ;
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| : jit-shift-right-algebraic ( dst src n -- ) SRAD ;
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| : jit-divide ( dst ra rb -- ) DIVD ;
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| : jit-multiply-low ( dst ra rb -- ) MULLD ;
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| : jit-multiply-low-ov-rc ( dst ra rb -- ) MULLDO. ;
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| : jit-compare-cell ( cr ra rb -- ) CMPD ;
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| : jit-compare-cell-imm ( cr ra imm -- ) CMPDI ;
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| 
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| : cell-size ( -- n ) 8 ;
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| : factor-area-size ( -- n ) 32 ;
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| : param-size ( -- n ) 64 ;
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| : saved-int-regs-size ( -- n ) 192 ;
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| 
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| << "vocab:bootstrap/assembler/ppc.factor" parse-file suffix! >>
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| call
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