mirror of
https://github.com/nitraiolo/CfgUSBLoader.git
synced 2024-12-04 00:54:15 +01:00
86 lines
1.5 KiB
ArmAsm
86 lines
1.5 KiB
ArmAsm
/*
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* DIP plugin for Custom IOS.
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*
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* Copyright (C) 2008-2010 Waninkoko, WiiGator.
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*
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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, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*/
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.text
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.align 4
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.code 32
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/* Direct syscalls */
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.global DCInvalidateRange
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DCInvalidateRange:
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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 DCInvalidateRange
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bx lr
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.global DCFlushRange
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DCFlushRange:
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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 DCFlushRange
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bx lr
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.global ICInvalidate
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ICInvalidate:
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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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/* MLoad syscalls */
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.global Swi_MLoad
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Swi_MLoad:
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svc 0xcc
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bx lr
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/* ARM permissions */
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.global Perms_Read
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Perms_Read:
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mrc p15, 0, r0, c3, c0
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bx lr
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.global Perms_Write
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Perms_Write:
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mcr p15, 0, r0, c3, c0
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bx lr
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/* MEM2 routines */
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.global MEM2_Prot
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MEM2_Prot:
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ldr r1, =0xD8B420A
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strh r0, [r1]
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bx lr
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/* Tools */
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.global VirtToPhys
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VirtToPhys:
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and r0, #0x7fffffff
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bx lr
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.global PhysToVirt
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PhysToVirt:
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orr r0, #0x80000000
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bx lr
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