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memory_asm.S
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memory_asm.S
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/*
mini - a Free Software replacement for the Nintendo/BroadOn IOS.
memory management, MMU, caches, and flushing
Copyright (C) 2008, 2009 Hector Martin "marcan" <[email protected]>
# This code is licensed to you under the terms of the GNU GPL, version 2;
# see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
*/
.arm
.globl _dc_inval_entries
.globl _dc_flush_entries
.globl _dc_flush
.globl _dc_inval
.globl _ic_inval
.globl _drain_write_buffer
.globl _tlb_inval
.text
_dc_inval_entries:
mcr p15, 0, r0, c7, c6, 1
add r0, #0x20
subs r1, #1
bne _dc_inval_entries
bx lr
_dc_flush_entries:
mcr p15, 0, r0, c7, c10, 1
add r0, #0x20
subs r1, #1
bne _dc_flush_entries
bx lr
_dc_flush:
mrc p15, 0, pc, c7, c10, 3
bne _dc_flush
bx lr
_dc_inval:
mov r0, #0
mcr p15, 0, r0, c7, c6, 0
bx lr
_ic_inval:
mov r0, #0
mcr p15, 0, r0, c7, c5, 0
bx lr
_drain_write_buffer:
mov r0, #0
mcr p15, 0, r0, c7, c10, 4
bx lr
_tlb_inval:
mov r0, #0
mcr p15, 0, r0, c8, c7
bx lr