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73 lines
1.5 KiB
ArmAsm
73 lines
1.5 KiB
ArmAsm
/*
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mini - a Free Software replacement for the Nintendo/BroadOn IOS.
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memory management, MMU, caches, and flushing
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Copyright (C) 2008, 2009 Hector Martin "marcan" <marcan@marcansoft.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, version 2.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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.arm
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.globl _dc_inval_entries
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.globl _dc_flush_entries
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.globl _dc_flush
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.globl _dc_inval
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.globl _ic_inval
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.globl _drain_write_buffer
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.globl _tlb_inval
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.text
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_dc_inval_entries:
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mcr p15, 0, r0, c7, c6, 1
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add r0, #0x20
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subs r1, #1
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bne _dc_inval_entries
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bx lr
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_dc_flush_entries:
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mcr p15, 0, r0, c7, c10, 1
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add r0, #0x20
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subs r1, #1
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bne _dc_flush_entries
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bx lr
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_dc_flush:
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mrc p15, 0, pc, c7, c10, 3
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bne _dc_flush
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bx lr
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_dc_inval:
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mov r0, #0
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mcr p15, 0, r0, c7, c6, 0
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bx lr
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_ic_inval:
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mov r0, #0
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mcr p15, 0, r0, c7, c5, 0
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bx lr
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_drain_write_buffer:
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mov r0, #0
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mcr p15, 0, r0, c7, c10, 4
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bx lr
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_tlb_inval:
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mov r0, #0
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mcr p15, 0, r0, c8, c7
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bx lr
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