| 1 | /* |
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| 2 | * This file is subject to the terms and conditions of the GNU General Public |
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| 3 | * License. See the file "COPYING" in the main directory of this archive |
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| 4 | * for more details. |
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| 5 | * |
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| 6 | * Copyright (C) 1999 Ralf Baechle |
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| 7 | * Copyright (C) 1999 Silicon Graphics, Inc. |
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| 8 | */ |
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| 9 | #include <asm/mipsregs.h> |
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| 10 | #include <asm/regdef.h> |
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| 11 | #include <asm/stackframe.h> |
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| 12 | |
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| 13 | .macro tlb_do_page_fault, write |
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| 14 | NESTED(tlb_do_page_fault_\write, PT_SIZE, sp) |
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| 15 | .cfi_signal_frame |
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| 16 | SAVE_ALL docfi=1 |
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| 17 | MFC0 a2, CP0_BADVADDR |
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| 18 | KMODE |
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| 19 | move a0, sp |
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| 20 | REG_S a2, PT_BVADDR(sp) |
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| 21 | li a1, \write |
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| 22 | jal do_page_fault |
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| 23 | j ret_from_exception |
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| 24 | END(tlb_do_page_fault_\write) |
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| 25 | .endm |
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| 26 | |
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| 27 | tlb_do_page_fault 0 |
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| 28 | tlb_do_page_fault 1 |
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| 29 | |
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