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Merge pull request #1130 from lioncash/block

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memory: Get rid of pointer casts
This commit is contained in:
Yuri Kunde Schlesner 2015-09-10 18:05:24 -03:00
commit abc34ddb88
1 changed files with 7 additions and 14 deletions
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21
src/core/memory.cpp
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@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include <array>
#include <cstring>
#include "common/assert.h"
#include "common/common_types.h"
@ -95,7 +96,9 @@ template <typename T>
T Read(const VAddr vaddr) {
const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
if (page_pointer) {
return *reinterpret_cast<const T*>(page_pointer + (vaddr & PAGE_MASK));
T value;
std::memcpy(&value, &page_pointer[vaddr & PAGE_MASK], sizeof(T));
return value;
}
PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
@ -117,7 +120,7 @@ template <typename T>
void Write(const VAddr vaddr, const T data) {
u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
if (page_pointer) {
*reinterpret_cast<T*>(page_pointer + (vaddr & PAGE_MASK)) = data;
std::memcpy(&page_pointer[vaddr & PAGE_MASK], &data, sizeof(T));
return;
}
@ -183,19 +186,9 @@ void Write64(const VAddr addr, const u64 data) {
}
void WriteBlock(const VAddr addr, const u8* data, const size_t size) {
u32 offset = 0;
while (offset < (size & ~3)) {
Write32(addr + offset, *(u32*)&data[offset]);
offset += 4;
}
if (size & 2) {
Write16(addr + offset, *(u16*)&data[offset]);
offset += 2;
}
if (size & 1)
for (u32 offset = 0; offset < size; offset++) {
Write8(addr + offset, data[offset]);
}
}
PAddr VirtualToPhysicalAddress(const VAddr addr) {