1 files changed, 0 insertions, 304 deletions
diff --git a/arch/sparc64/kernel/ktlb.S b/arch/sparc64/kernel/ktlb.S
deleted file mode 100644
index cef8defcd7a..00000000000
--- a/arch/sparc64/kernel/ktlb.S
+++ /dev/null
@@ -1,304 +0,0 @@
-/* arch/sparc64/kernel/ktlb.S: Kernel mapping TLB miss handling.
- *
- * Copyright (C) 1995, 1997, 2005, 2008 David S. Miller <davem@davemloft.net>
- * Copyright (C) 1996 Eddie C. Dost        (ecd@brainaid.de)
- * Copyright (C) 1996 Miguel de Icaza      (miguel@nuclecu.unam.mx)
- * Copyright (C) 1996,98,99 Jakub Jelinek  (jj@sunsite.mff.cuni.cz)
- */
-
-#include <asm/head.h>
-#include <asm/asi.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/tsb.h>
-
-	.text
-	.align		32
-
-kvmap_itlb:
-	/* g6: TAG TARGET */
-	mov		TLB_TAG_ACCESS, %g4
-	ldxa		[%g4] ASI_IMMU, %g4
-
-	/* sun4v_itlb_miss branches here with the missing virtual
-	 * address already loaded into %g4
-	 */
-kvmap_itlb_4v:
-
-kvmap_itlb_nonlinear:
-	/* Catch kernel NULL pointer calls.  */
-	sethi		%hi(PAGE_SIZE), %g5
-	cmp		%g4, %g5
-	bleu,pn		%xcc, kvmap_dtlb_longpath
-	 nop
-
-	KERN_TSB_LOOKUP_TL1(%g4, %g6, %g5, %g1, %g2, %g3, kvmap_itlb_load)
-
-kvmap_itlb_tsb_miss:
-	sethi		%hi(LOW_OBP_ADDRESS), %g5
-	cmp		%g4, %g5
-	blu,pn		%xcc, kvmap_itlb_vmalloc_addr
-	 mov		0x1, %g5
-	sllx		%g5, 32, %g5
-	cmp		%g4, %g5
-	blu,pn		%xcc, kvmap_itlb_obp
-	 nop
-
-kvmap_itlb_vmalloc_addr:
-	KERN_PGTABLE_WALK(%g4, %g5, %g2, kvmap_itlb_longpath)
-
-	KTSB_LOCK_TAG(%g1, %g2, %g7)
-
-	/* Load and check PTE.  */
-	ldxa		[%g5] ASI_PHYS_USE_EC, %g5
-	mov		1, %g7
-	sllx		%g7, TSB_TAG_INVALID_BIT, %g7
-	brgez,a,pn	%g5, kvmap_itlb_longpath
-	 KTSB_STORE(%g1, %g7)
-
-	KTSB_WRITE(%g1, %g5, %g6)
-
-	/* fallthrough to TLB load */
-
-kvmap_itlb_load:
-
-661:	stxa		%g5, [%g0] ASI_ITLB_DATA_IN
-	retry
-	.section	.sun4v_2insn_patch, "ax"
-	.word		661b
-	nop
-	nop
-	.previous
-
-	/* For sun4v the ASI_ITLB_DATA_IN store and the retry
-	 * instruction get nop'd out and we get here to branch
-	 * to the sun4v tlb load code.  The registers are setup
-	 * as follows:
-	 *
-	 * %g4: vaddr
-	 * %g5: PTE
-	 * %g6:	TAG
-	 *
-	 * The sun4v TLB load wants the PTE in %g3 so we fix that
-	 * up here.
-	 */
-	ba,pt		%xcc, sun4v_itlb_load
-	 mov		%g5, %g3
-
-kvmap_itlb_longpath:
-
-661:	rdpr	%pstate, %g5
-	wrpr	%g5, PSTATE_AG | PSTATE_MG, %pstate
-	.section .sun4v_2insn_patch, "ax"
-	.word	661b
-	SET_GL(1)
-	nop
-	.previous
-
-	rdpr	%tpc, %g5
-	ba,pt	%xcc, sparc64_realfault_common
-	 mov	FAULT_CODE_ITLB, %g4
-
-kvmap_itlb_obp:
-	OBP_TRANS_LOOKUP(%g4, %g5, %g2, %g3, kvmap_itlb_longpath)
-
-	KTSB_LOCK_TAG(%g1, %g2, %g7)
-
-	KTSB_WRITE(%g1, %g5, %g6)
-
-	ba,pt		%xcc, kvmap_itlb_load
-	 nop
-
-kvmap_dtlb_obp:
-	OBP_TRANS_LOOKUP(%g4, %g5, %g2, %g3, kvmap_dtlb_longpath)
-
-	KTSB_LOCK_TAG(%g1, %g2, %g7)
-
-	KTSB_WRITE(%g1, %g5, %g6)
-
-	ba,pt		%xcc, kvmap_dtlb_load
-	 nop
-
-	.align		32
-kvmap_dtlb_tsb4m_load:
-	KTSB_LOCK_TAG(%g1, %g2, %g7)
-	KTSB_WRITE(%g1, %g5, %g6)
-	ba,pt		%xcc, kvmap_dtlb_load
-	 nop
-
-kvmap_dtlb:
-	/* %g6: TAG TARGET */
-	mov		TLB_TAG_ACCESS, %g4
-	ldxa		[%g4] ASI_DMMU, %g4
-
-	/* sun4v_dtlb_miss branches here with the missing virtual
-	 * address already loaded into %g4
-	 */
-kvmap_dtlb_4v:
-	brgez,pn	%g4, kvmap_dtlb_nonlinear
-	 nop
-
-#ifdef CONFIG_DEBUG_PAGEALLOC
-	/* Index through the base page size TSB even for linear
-	 * mappings when using page allocation debugging.
-	 */
-	KERN_TSB_LOOKUP_TL1(%g4, %g6, %g5, %g1, %g2, %g3, kvmap_dtlb_load)
-#else
-	/* Correct TAG_TARGET is already in %g6, check 4mb TSB.  */
-	KERN_TSB4M_LOOKUP_TL1(%g6, %g5, %g1, %g2, %g3, kvmap_dtlb_load)
-#endif
-	/* TSB entry address left in %g1, lookup linear PTE.
-	 * Must preserve %g1 and %g6 (TAG).
-	 */
-kvmap_dtlb_tsb4m_miss:
-	sethi		%hi(kpte_linear_bitmap), %g2
-	or		%g2, %lo(kpte_linear_bitmap), %g2
-
-	/* Clear the PAGE_OFFSET top virtual bits, then shift
-	 * down to get a 256MB physical address index.
-	 */
-	sllx		%g4, 21, %g5
-	mov		1, %g7
-	srlx		%g5, 21 + 28, %g5
-
-	/* Don't try this at home kids... this depends upon srlx
-	 * only taking the low 6 bits of the shift count in %g5.
-	 */
-	sllx		%g7, %g5, %g7
-
-	/* Divide by 64 to get the offset into the bitmask.  */
-	srlx		%g5, 6, %g5
-	sllx		%g5, 3, %g5
-
-	/* kern_linear_pte_xor[((mask & bit) ? 1 : 0)] */
-	ldx		[%g2 + %g5], %g2
-	andcc		%g2, %g7, %g0
-	sethi		%hi(kern_linear_pte_xor), %g5
-	or		%g5, %lo(kern_linear_pte_xor), %g5
-	bne,a,pt	%xcc, 1f
-	 add		%g5, 8, %g5
-
-1:	ldx		[%g5], %g2
-
-	.globl		kvmap_linear_patch
-kvmap_linear_patch:
-	ba,pt		%xcc, kvmap_dtlb_tsb4m_load
-	 xor		%g2, %g4, %g5
-
-kvmap_dtlb_vmalloc_addr:
-	KERN_PGTABLE_WALK(%g4, %g5, %g2, kvmap_dtlb_longpath)
-
-	KTSB_LOCK_TAG(%g1, %g2, %g7)
-
-	/* Load and check PTE.  */
-	ldxa		[%g5] ASI_PHYS_USE_EC, %g5
-	mov		1, %g7
-	sllx		%g7, TSB_TAG_INVALID_BIT, %g7
-	brgez,a,pn	%g5, kvmap_dtlb_longpath
-	 KTSB_STORE(%g1, %g7)
-
-	KTSB_WRITE(%g1, %g5, %g6)
-
-	/* fallthrough to TLB load */
-
-kvmap_dtlb_load:
-
-661:	stxa		%g5, [%g0] ASI_DTLB_DATA_IN	! Reload TLB
-	retry
-	.section	.sun4v_2insn_patch, "ax"
-	.word		661b
-	nop
-	nop
-	.previous
-
-	/* For sun4v the ASI_DTLB_DATA_IN store and the retry
-	 * instruction get nop'd out and we get here to branch
-	 * to the sun4v tlb load code.  The registers are setup
-	 * as follows:
-	 *
-	 * %g4: vaddr
-	 * %g5: PTE
-	 * %g6:	TAG
-	 *
-	 * The sun4v TLB load wants the PTE in %g3 so we fix that
-	 * up here.
-	 */
-	ba,pt		%xcc, sun4v_dtlb_load
-	 mov		%g5, %g3
-
-#ifdef CONFIG_SPARSEMEM_VMEMMAP
-kvmap_vmemmap:
-	sub		%g4, %g5, %g5
-	srlx		%g5, 22, %g5
-	sethi		%hi(vmemmap_table), %g1
-	sllx		%g5, 3, %g5
-	or		%g1, %lo(vmemmap_table), %g1
-	ba,pt		%xcc, kvmap_dtlb_load
-	 ldx		[%g1 + %g5], %g5
-#endif
-
-kvmap_dtlb_nonlinear:
-	/* Catch kernel NULL pointer derefs.  */
-	sethi		%hi(PAGE_SIZE), %g5
-	cmp		%g4, %g5
-	bleu,pn		%xcc, kvmap_dtlb_longpath
-	 nop
-
-#ifdef CONFIG_SPARSEMEM_VMEMMAP
-	/* Do not use the TSB for vmemmap.  */
-	mov		(VMEMMAP_BASE >> 24), %g5
-	sllx		%g5, 24, %g5
-	cmp		%g4,%g5
-	bgeu,pn		%xcc, kvmap_vmemmap
-	 nop
-#endif
-
-	KERN_TSB_LOOKUP_TL1(%g4, %g6, %g5, %g1, %g2, %g3, kvmap_dtlb_load)
-
-kvmap_dtlb_tsbmiss:
-	sethi		%hi(MODULES_VADDR), %g5
-	cmp		%g4, %g5
-	blu,pn		%xcc, kvmap_dtlb_longpath
-	 mov		(VMALLOC_END >> 24), %g5
-	sllx		%g5, 24, %g5
-	cmp		%g4, %g5
-	bgeu,pn		%xcc, kvmap_dtlb_longpath
-	 nop
-
-kvmap_check_obp:
-	sethi		%hi(LOW_OBP_ADDRESS), %g5
-	cmp		%g4, %g5
-	blu,pn		%xcc, kvmap_dtlb_vmalloc_addr
-	 mov		0x1, %g5
-	sllx		%g5, 32, %g5
-	cmp		%g4, %g5
-	blu,pn		%xcc, kvmap_dtlb_obp
-	 nop
-	ba,pt		%xcc, kvmap_dtlb_vmalloc_addr
-	 nop
-
-kvmap_dtlb_longpath:
-
-661:	rdpr	%pstate, %g5
-	wrpr	%g5, PSTATE_AG | PSTATE_MG, %pstate
-	.section .sun4v_2insn_patch, "ax"
-	.word	661b
-	SET_GL(1)
-	ldxa		[%g0] ASI_SCRATCHPAD, %g5
-	.previous
-
-	rdpr	%tl, %g3
-	cmp	%g3, 1
-
-661:	mov	TLB_TAG_ACCESS, %g4
-	ldxa	[%g4] ASI_DMMU, %g5
-	.section .sun4v_2insn_patch, "ax"
-	.word	661b
-	ldx	[%g5 + HV_FAULT_D_ADDR_OFFSET], %g5
-	nop
-	.previous
-
-	be,pt	%xcc, sparc64_realfault_common
-	 mov	FAULT_CODE_DTLB, %g4
-	ba,pt	%xcc, winfix_trampoline
-	 nop