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Rev 2519 Rev 2726
Line 35... Line 35...
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#define RID_SHIFT 8
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#define RID_SHIFT 8
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#define PS_SHIFT 2
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#define PS_SHIFT 2
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#define KERNEL_TRANSLATION_I 0x0010000000000661
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#define KERNEL_TRANSLATION_I  0x0010000000000661
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#define KERNEL_TRANSLATION_D 0x0010000000000661
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#define KERNEL_TRANSLATION_D  0x0010000000000661
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#define KERNEL_TRANSLATION_VIO 0x0010000000000671
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#define KERNEL_TRANSLATION_IO 0x00100FFFFC000671
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#define VIO_OFFSET            0x0002000000000000
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#define IO_OFFSET             0x0001000000000000
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.section K_TEXT_START, "ax"
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.section K_TEXT_START, "ax"
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.global kernel_image_start
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.global kernel_image_start
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stack0:
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stack0:
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kernel_image_start:
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kernel_image_start:
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	.auto
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	.auto
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	mov psr.l = r0
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	srlz.i
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	srlz.d
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	# Fill TR.i and TR.d using Region Register #VRN_KERNEL
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	# Fill TR.i and TR.d using Region Register #VRN_KERNEL
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	movl r8 = (VRN_KERNEL << VRN_SHIFT)
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	movl r8 = (VRN_KERNEL << VRN_SHIFT)
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	mov r9 = rr[r8]
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	mov r9 = rr[r8]
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	movl r10 = (RR_MASK)
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	movl r10 = (RR_MASK)
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	and r9 = r10, r9
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	and r9 = r10, r9
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	movl r10 = ((RID_KERNEL << RID_SHIFT) | (KERNEL_PAGE_WIDTH << PS_SHIFT))
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	movl r10 = ((RID_KERNEL << RID_SHIFT) | (KERNEL_PAGE_WIDTH << PS_SHIFT))
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	or  r9 = r10, r9
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	or  r9 = r10, r9
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	mov rr[r8] = r9
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	mov rr[r8] = r9
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	movl r8 = (VRN_KERNEL << VRN_SHIFT)
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	movl r8 = (VRN_KERNEL << VRN_SHIFT)
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	mov cr.ifa = r8
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	mov cr.ifa = r8
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	mov r11 = cr.itir ;;
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	movl r10 = (KERNEL_PAGE_WIDTH << PS_SHIFT)
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	movl r10 = (KERNEL_PAGE_WIDTH << PS_SHIFT);;
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	or r10 =r10 , r11  ;;
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	mov cr.itir = r10
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	mov cr.itir = r10;;
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	movl r10 = (KERNEL_TRANSLATION_I)
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	movl r10 = (KERNEL_TRANSLATION_I)
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	itr.i itr[r0] = r10
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	itr.i itr[r0] = r10
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	movl r10 = (KERNEL_TRANSLATION_D)
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	movl r10 = (KERNEL_TRANSLATION_D)
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	itr.d dtr[r0] = r10
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	itr.d dtr[r0] = r10
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	movl r7 = 1
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	movl r8 = (VRN_KERNEL << VRN_SHIFT) | VIO_OFFSET
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	mov cr.ifa = r8
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	movl r10 = (KERNEL_TRANSLATION_VIO)
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	itr.d dtr[r7] = r10
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	mov r11 = cr.itir ;;
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	movl r10 = ~0xfc;;
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	and r10 =r10 , r11  ;;
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	movl r11 = (IO_PAGE_WIDTH << PS_SHIFT);;
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	or r10 =r10 , r11  ;;
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	mov cr.itir = r10;;
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	movl r7 = 2
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	movl r8 = (VRN_KERNEL << VRN_SHIFT) | IO_OFFSET
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	mov cr.ifa = r8
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	movl r10 = (KERNEL_TRANSLATION_IO)
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	itr.d dtr[r7] = r10
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	# initialize PSR
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	# initialize PSR
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	mov psr.l = r0
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	srlz.i
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	srlz.d
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	movl r10 = (PSR_DT_MASK | PSR_RT_MASK | PSR_IT_MASK | PSR_IC_MASK)  /* Enable paging */
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	movl r10 = (PSR_DT_MASK | PSR_RT_MASK | PSR_IT_MASK | PSR_IC_MASK)  /* Enable paging */
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	mov r9 = psr
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	mov r9 = psr
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	or r10 = r10, r9
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	or r10 = r10, r9
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	mov cr.ipsr = r10
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	mov cr.ipsr = r10
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	mov cr.ifs = r0
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	mov cr.ifs = r0