Subversion Repositories HelenOS-historic

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Rev 1071 Rev 1075
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	.space (L1_CACHE_LINES * L1_CACHE_BYTES)
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	.space (L1_CACHE_LINES * L1_CACHE_BYTES)
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.text
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.text
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.global halt
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.global halt
- 
 
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.global memcpy
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.global jump_to_kernel
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.global jump_to_kernel
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halt:
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halt:
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	b halt
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	b halt
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- 
 
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memcpy:
- 
 
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	srwi. r7, r5, 3
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	addi r6, r3, -4
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	addi r4, r4, -4
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	beq	2f
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- 
 
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	andi. r0, r6, 3
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	mtctr r7
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	bne 5f
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- 
 
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	1:
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- 
 
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	lwz r7, 4(r4)
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	lwzu r8, 8(r4)
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	stw r7, 4(r6)
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	stwu r8, 8(r6)
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	bdnz 1b
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- 
 
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	andi. r5, r5, 7
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- 
 
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	2:
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- 
 
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	cmplwi 0, r5, 4
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	blt 3f
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- 
 
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	lwzu r0, 4(r4)
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	addi r5, r5, -4
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	stwu r0, 4(r6)
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- 
 
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	3:
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- 
 
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	cmpwi 0, r5, 0
- 
 
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	beqlr
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	mtctr r5
- 
 
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	addi r4, r4, 3
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	addi r6, r6, 3
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- 
 
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	4:
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- 
 
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	lbzu r0, 1(r4)
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	stbu r0, 1(r6)
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	bdnz 4b
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	blr
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- 
 
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	5:
- 
 
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- 
 
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	subfic r0, r0, 4
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	mtctr r0
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- 
 
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	6:
- 
 
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- 
 
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	lbz r7, 4(r4)
- 
 
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	addi r4, r4, 1
- 
 
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	stb r7, 4(r6)
- 
 
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	addi r6, r6, 1
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	bdnz 6b
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	subf r5, r0, r5
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	rlwinm. r7, r5, 32-3, 3, 31
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	beq 2b
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	mtctr r7
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	b 1b
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- 
 
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jump_to_kernel:
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jump_to_kernel:
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	# r3 = memmap (pa)
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	# r3 = memmap (pa)
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	# r4 = trans (pa)
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	# r4 = trans (pa)
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	# r5 = kernel size
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	# r5 = kernel size