Memory: add ReadCString function

merge-requests/60/head
wwylele 2016-06-27 20:42:42 +07:00
parent b879d8c31b
commit b2df959733
2 changed files with 17 additions and 0 deletions

@ -280,6 +280,20 @@ u8* GetPointer(const VAddr vaddr) {
return nullptr; return nullptr;
} }
std::string ReadCString(VAddr vaddr, std::size_t max_length) {
std::string string;
string.reserve(max_length);
for (std::size_t i = 0; i < max_length; ++i) {
char c = Read8(vaddr);
if (c == '\0')
break;
string.push_back(c);
++vaddr;
}
string.shrink_to_fit();
return string;
}
u8* GetPhysicalPointer(PAddr address) { u8* GetPhysicalPointer(PAddr address) {
// TODO(Subv): This call should not go through the application's memory mapping. // TODO(Subv): This call should not go through the application's memory mapping.
return GetPointer(PhysicalToVirtualAddress(address)); return GetPointer(PhysicalToVirtualAddress(address));

@ -5,6 +5,7 @@
#pragma once #pragma once
#include <cstddef> #include <cstddef>
#include <string>
#include "common/common_types.h" #include "common/common_types.h"
@ -130,6 +131,8 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, size_t size);
u8* GetPointer(VAddr virtual_address); u8* GetPointer(VAddr virtual_address);
std::string ReadCString(VAddr virtual_address, std::size_t max_length);
/** /**
* Converts a virtual address inside a region with 1:1 mapping to physical memory to a physical * Converts a virtual address inside a region with 1:1 mapping to physical memory to a physical
* address. This should be used by services to translate addresses for use by the hardware. * address. This should be used by services to translate addresses for use by the hardware.