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ARMSecondTable.h
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1 /*
2  * Copyright (C) 2015 Niek Linnenbank
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef __LIB_LIBARCH_ARM_SECONDTABLE_H
19 #define __LIB_LIBARCH_ARM_SECONDTABLE_H
20 
21 #include <Types.h>
22 #include <Memory.h>
23 #include <MemoryContext.h>
24 
40 {
41  public:
42 
53  Address phys,
55 
64 
74 
84 
85  private:
86 
95 
96  private:
97 
99  u32 m_pages[256];
100 };
101 
108 #endif /* __LIB_LIBARCH_ARM_SECONDTABLE_H */
Types.h
ARMSecondTable::access
MemoryContext::Result access(Address virt, Memory::Access *access) const
Get Access flags for a virtual address.
Definition: ARMSecondTable.cpp:141
Address
unsigned long Address
A memory address.
Definition: Types.h:131
ARMSecondTable::unmap
MemoryContext::Result unmap(Address virt)
Remove virtual address mapping.
Definition: ARMSecondTable.cpp:123
MemoryContext::Result
Result
Result codes.
Definition: MemoryContext.h:49
ARMSecondTable
ARM second level page table implementation.
Definition: ARMSecondTable.h:39
u32
unsigned int u32
Unsigned 32-bit number.
Definition: Types.h:53
Memory::Access
Access
Memory access flags.
Definition: Memory.h:38
ARMSecondTable::m_pages
u32 m_pages[256]
Array of second level page table entries.
Definition: ARMSecondTable.h:99
Memory.h
ARMSecondTable::translate
MemoryContext::Result translate(Address virt, Address *phys) const
Translate virtual address to physical address.
Definition: ARMSecondTable.cpp:132
ARMSecondTable::flags
u32 flags(Memory::Access access) const
Convert MemoryAccess to page table flags.
Definition: ARMSecondTable.cpp:168
MemoryContext.h
ARMSecondTable::map
MemoryContext::Result map(Address virt, Address phys, Memory::Access)
Map a virtual address to a physical address.
Definition: ARMSecondTable.cpp:107