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-rw-r--r--ANDROID_3.4.5/arch/sparc/mm/viking.S283
1 files changed, 0 insertions, 283 deletions
diff --git a/ANDROID_3.4.5/arch/sparc/mm/viking.S b/ANDROID_3.4.5/arch/sparc/mm/viking.S
deleted file mode 100644
index 6dfcc13d..00000000
--- a/ANDROID_3.4.5/arch/sparc/mm/viking.S
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * viking.S: High speed Viking cache/mmu operations
- *
- * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
- * Copyright (C) 1997,1998,1999 Jakub Jelinek (jj@ultra.linux.cz)
- * Copyright (C) 1999 Pavel Semerad (semerad@ss1000.ms.mff.cuni.cz)
- */
-
-#include <asm/ptrace.h>
-#include <asm/psr.h>
-#include <asm/asm-offsets.h>
-#include <asm/asi.h>
-#include <asm/mxcc.h>
-#include <asm/page.h>
-#include <asm/pgtsrmmu.h>
-#include <asm/viking.h>
-#include <asm/btfixup.h>
-
-#ifdef CONFIG_SMP
- .data
- .align 4
-sun4dsmp_flush_tlb_spin:
- .word 0
-#endif
-
- .text
- .align 4
-
- .globl viking_flush_cache_all, viking_flush_cache_mm
- .globl viking_flush_cache_range, viking_flush_cache_page
- .globl viking_flush_page, viking_mxcc_flush_page
- .globl viking_flush_page_for_dma, viking_flush_page_to_ram
- .globl viking_flush_sig_insns
- .globl viking_flush_tlb_all, viking_flush_tlb_mm
- .globl viking_flush_tlb_range, viking_flush_tlb_page
-
-viking_flush_page:
- sethi %hi(PAGE_OFFSET), %g2
- sub %o0, %g2, %g3
- srl %g3, 12, %g1 ! ppage >> 12
-
- clr %o1 ! set counter, 0 - 127
- sethi %hi(PAGE_OFFSET + PAGE_SIZE - 0x80000000), %o3
- sethi %hi(0x80000000), %o4
- sethi %hi(VIKING_PTAG_VALID), %o5
- sethi %hi(2*PAGE_SIZE), %o0
- sethi %hi(PAGE_SIZE), %g7
- clr %o2 ! block counter, 0 - 3
-5:
- sll %o1, 5, %g4
- or %g4, %o4, %g4 ! 0x80000000 | (set << 5)
-
- sll %o2, 26, %g5 ! block << 26
-6:
- or %g5, %g4, %g5
- ldda [%g5] ASI_M_DATAC_TAG, %g2
- cmp %g3, %g1 ! ptag == ppage?
- bne 7f
- inc %o2
-
- andcc %g2, %o5, %g0 ! ptag VALID?
- be 7f
- add %g4, %o3, %g2 ! (PAGE_OFFSET + PAGE_SIZE) | (set << 5)
- ld [%g2], %g3
- ld [%g2 + %g7], %g3
- add %g2, %o0, %g2
- ld [%g2], %g3
- ld [%g2 + %g7], %g3
- add %g2, %o0, %g2
- ld [%g2], %g3
- ld [%g2 + %g7], %g3
- add %g2, %o0, %g2
- ld [%g2], %g3
- b 8f
- ld [%g2 + %g7], %g3
-
-7:
- cmp %o2, 3
- ble 6b
- sll %o2, 26, %g5 ! block << 26
-
-8: inc %o1
- cmp %o1, 0x7f
- ble 5b
- clr %o2
-
-9: retl
- nop
-
-viking_mxcc_flush_page:
- sethi %hi(PAGE_OFFSET), %g2
- sub %o0, %g2, %g3
- sub %g3, -PAGE_SIZE, %g3 ! ppage + PAGE_SIZE
- sethi %hi(MXCC_SRCSTREAM), %o3 ! assume %hi(MXCC_SRCSTREAM) == %hi(MXCC_DESTSTREAM)
- mov 0x10, %g2 ! set cacheable bit
- or %o3, %lo(MXCC_SRCSTREAM), %o2
- or %o3, %lo(MXCC_DESSTREAM), %o3
- sub %g3, MXCC_STREAM_SIZE, %g3
-6:
- stda %g2, [%o2] ASI_M_MXCC
- stda %g2, [%o3] ASI_M_MXCC
- andncc %g3, PAGE_MASK, %g0
- bne 6b
- sub %g3, MXCC_STREAM_SIZE, %g3
-
-9: retl
- nop
-
-viking_flush_cache_page:
-viking_flush_cache_range:
-#ifndef CONFIG_SMP
- ld [%o0 + 0x0], %o0 /* XXX vma->vm_mm, GROSS XXX */
-#endif
-viking_flush_cache_mm:
-#ifndef CONFIG_SMP
- ld [%o0 + AOFF_mm_context], %g1
- cmp %g1, -1
- bne viking_flush_cache_all
- nop
- b,a viking_flush_cache_out
-#endif
-viking_flush_cache_all:
- WINDOW_FLUSH(%g4, %g5)
-viking_flush_cache_out:
- retl
- nop
-
-viking_flush_tlb_all:
- mov 0x400, %g1
- retl
- sta %g0, [%g1] ASI_M_FLUSH_PROBE
-
-viking_flush_tlb_mm:
- mov SRMMU_CTX_REG, %g1
- ld [%o0 + AOFF_mm_context], %o1
- lda [%g1] ASI_M_MMUREGS, %g5
-#ifndef CONFIG_SMP
- cmp %o1, -1
- be 1f
-#endif
- mov 0x300, %g2
- sta %o1, [%g1] ASI_M_MMUREGS
- sta %g0, [%g2] ASI_M_FLUSH_PROBE
- retl
- sta %g5, [%g1] ASI_M_MMUREGS
-#ifndef CONFIG_SMP
-1: retl
- nop
-#endif
-
-viking_flush_tlb_range:
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
- mov SRMMU_CTX_REG, %g1
- ld [%o0 + AOFF_mm_context], %o3
- lda [%g1] ASI_M_MMUREGS, %g5
-#ifndef CONFIG_SMP
- cmp %o3, -1
- be 2f
-#endif
- sethi %hi(~((1 << SRMMU_PGDIR_SHIFT) - 1)), %o4
- sta %o3, [%g1] ASI_M_MMUREGS
- and %o1, %o4, %o1
- add %o1, 0x200, %o1
- sta %g0, [%o1] ASI_M_FLUSH_PROBE
-1: sub %o1, %o4, %o1
- cmp %o1, %o2
- blu,a 1b
- sta %g0, [%o1] ASI_M_FLUSH_PROBE
- retl
- sta %g5, [%g1] ASI_M_MMUREGS
-#ifndef CONFIG_SMP
-2: retl
- nop
-#endif
-
-viking_flush_tlb_page:
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
- mov SRMMU_CTX_REG, %g1
- ld [%o0 + AOFF_mm_context], %o3
- lda [%g1] ASI_M_MMUREGS, %g5
-#ifndef CONFIG_SMP
- cmp %o3, -1
- be 1f
-#endif
- and %o1, PAGE_MASK, %o1
- sta %o3, [%g1] ASI_M_MMUREGS
- sta %g0, [%o1] ASI_M_FLUSH_PROBE
- retl
- sta %g5, [%g1] ASI_M_MMUREGS
-#ifndef CONFIG_SMP
-1: retl
- nop
-#endif
-
-viking_flush_page_to_ram:
-viking_flush_page_for_dma:
-viking_flush_sig_insns:
- retl
- nop
-
-#ifdef CONFIG_SMP
- .globl sun4dsmp_flush_tlb_all, sun4dsmp_flush_tlb_mm
- .globl sun4dsmp_flush_tlb_range, sun4dsmp_flush_tlb_page
-sun4dsmp_flush_tlb_all:
- sethi %hi(sun4dsmp_flush_tlb_spin), %g3
-1: ldstub [%g3 + %lo(sun4dsmp_flush_tlb_spin)], %g5
- tst %g5
- bne 2f
- mov 0x400, %g1
- sta %g0, [%g1] ASI_M_FLUSH_PROBE
- retl
- stb %g0, [%g3 + %lo(sun4dsmp_flush_tlb_spin)]
-2: tst %g5
- bne,a 2b
- ldub [%g3 + %lo(sun4dsmp_flush_tlb_spin)], %g5
- b,a 1b
-
-sun4dsmp_flush_tlb_mm:
- sethi %hi(sun4dsmp_flush_tlb_spin), %g3
-1: ldstub [%g3 + %lo(sun4dsmp_flush_tlb_spin)], %g5
- tst %g5
- bne 2f
- mov SRMMU_CTX_REG, %g1
- ld [%o0 + AOFF_mm_context], %o1
- lda [%g1] ASI_M_MMUREGS, %g5
- mov 0x300, %g2
- sta %o1, [%g1] ASI_M_MMUREGS
- sta %g0, [%g2] ASI_M_FLUSH_PROBE
- sta %g5, [%g1] ASI_M_MMUREGS
- retl
- stb %g0, [%g3 + %lo(sun4dsmp_flush_tlb_spin)]
-2: tst %g5
- bne,a 2b
- ldub [%g3 + %lo(sun4dsmp_flush_tlb_spin)], %g5
- b,a 1b
-
-sun4dsmp_flush_tlb_range:
- sethi %hi(sun4dsmp_flush_tlb_spin), %g3
-1: ldstub [%g3 + %lo(sun4dsmp_flush_tlb_spin)], %g5
- tst %g5
- bne 3f
- mov SRMMU_CTX_REG, %g1
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
- ld [%o0 + AOFF_mm_context], %o3
- lda [%g1] ASI_M_MMUREGS, %g5
- sethi %hi(~((1 << SRMMU_PGDIR_SHIFT) - 1)), %o4
- sta %o3, [%g1] ASI_M_MMUREGS
- and %o1, %o4, %o1
- add %o1, 0x200, %o1
- sta %g0, [%o1] ASI_M_FLUSH_PROBE
-2: sub %o1, %o4, %o1
- cmp %o1, %o2
- blu,a 2b
- sta %g0, [%o1] ASI_M_FLUSH_PROBE
- sta %g5, [%g1] ASI_M_MMUREGS
- retl
- stb %g0, [%g3 + %lo(sun4dsmp_flush_tlb_spin)]
-3: tst %g5
- bne,a 3b
- ldub [%g3 + %lo(sun4dsmp_flush_tlb_spin)], %g5
- b,a 1b
-
-sun4dsmp_flush_tlb_page:
- sethi %hi(sun4dsmp_flush_tlb_spin), %g3
-1: ldstub [%g3 + %lo(sun4dsmp_flush_tlb_spin)], %g5
- tst %g5
- bne 2f
- mov SRMMU_CTX_REG, %g1
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
- ld [%o0 + AOFF_mm_context], %o3
- lda [%g1] ASI_M_MMUREGS, %g5
- and %o1, PAGE_MASK, %o1
- sta %o3, [%g1] ASI_M_MMUREGS
- sta %g0, [%o1] ASI_M_FLUSH_PROBE
- sta %g5, [%g1] ASI_M_MMUREGS
- retl
- stb %g0, [%g3 + %lo(sun4dsmp_flush_tlb_spin)]
-2: tst %g5
- bne,a 2b
- ldub [%g3 + %lo(sun4dsmp_flush_tlb_spin)], %g5
- b,a 1b
- nop
-#endif
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