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Rev 2071 Rev 2110
Line 46... Line 46...
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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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	# 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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	movl r10=(KERNEL_PAGE_WIDTH<<PS_SHIFT)
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	movl r10 = (KERNEL_PAGE_WIDTH << PS_SHIFT)
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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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	# initialize PSR
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	# initialize PSR
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	mov psr.l = r0
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	mov psr.l = r0
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	srlz.i
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	srlz.i
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	srlz.d
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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
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	movl r8=paging_start
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	movl r8 = paging_start
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	mov cr.iip=r8
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	mov cr.iip = r8
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	srlz.d
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	srlz.d
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	srlz.i
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	srlz.i
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	.explicit
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	.explicit
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	/*
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	/*
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	# switch to register bank 1
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	# switch to register bank 1
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	bsw.1
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	bsw.1
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	# initialize register stack
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	# initialize register stack
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	mov ar.rsc = r0
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	mov ar.rsc = r0
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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 ar.bspstore = r8
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	mov ar.bspstore = r8
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	loadrs
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	loadrs
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	# initialize memory stack to some sane value
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	# initialize memory stack to some sane value
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	movl r12 = stack0;;
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	movl r12 = stack0 ;;
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	add r12 = - 16, r12	/* allocate a scratch area on the stack */
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	add r12 = -16, r12	/* allocate a scratch area on the stack */
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	# initialize gp (Global Pointer) register
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	# initialize gp (Global Pointer) register
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	movl r1 = _hardcoded_load_address
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	movl r1 = _hardcoded_load_address
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	/*
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	/*
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	;;
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	;;
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	st8 [r17] = r14
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	st8 [r17] = r14
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	st8 [r18] = r15
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	st8 [r18] = r15
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	st8 [r19] = r16
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	st8 [r19] = r16
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	ssm (1<<19);; /* Disable f32 - f127 */
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	ssm (1 << 19) ;; /* Disable f32 - f127 */
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	srlz.i;
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	srlz.i
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	srlz.d;;
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	srlz.d ;;
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	br.call.sptk.many b0 = arch_pre_main
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	br.call.sptk.many b0 = arch_pre_main
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	movl r18=main_bsp ;;
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	movl r18 = main_bsp ;;
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	mov b1=r18 ;;
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	mov b1 = r18 ;;
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	br.call.sptk.many b0=b1
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	br.call.sptk.many b0 = b1
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0:
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0:
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	br 0b
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	br 0b