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core/loaders: Simplify PhysicalMemory usage. 

It is currently a std::vector, however we might want to replace it with a more fancy allocator.
So we can't use the C++ iterators any more.
This commit is contained in:
Markus Wick 2020-01-12 16:51:07 +01:00
parent 9bf4850f74
commit 7e94e544f4
3 changed files with 12 additions and 8 deletions
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3
src/core/loader/elf.cpp
View File

@ -335,7 +335,8 @@ Kernel::CodeSet ElfReader::LoadInto(VAddr vaddr) {
codeset_segment->addr = segment_addr; codeset_segment->addr = segment_addr;
codeset_segment->size = aligned_size; codeset_segment->size = aligned_size;
memcpy(&program_image[current_image_position], GetSegmentPtr(i), p->p_filesz); std::memcpy(program_image.data() + current_image_position, GetSegmentPtr(i),
p->p_filesz);
current_image_position += aligned_size; current_image_position += aligned_size;
} }
} }

5
src/core/loader/kip.cpp
View File

@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version // Licensed under GPLv2 or any later version
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <cstring>
#include "core/file_sys/kernel_executable.h" #include "core/file_sys/kernel_executable.h"
#include "core/file_sys/program_metadata.h" #include "core/file_sys/program_metadata.h"
#include "core/gdbstub/gdbstub.h" #include "core/gdbstub/gdbstub.h"
@ -76,8 +77,8 @@ AppLoader::LoadResult AppLoader_KIP::Load(Kernel::Process& process) {
segment.addr = offset; segment.addr = offset;
segment.offset = offset; segment.offset = offset;
segment.size = PageAlignSize(static_cast<u32>(data.size())); segment.size = PageAlignSize(static_cast<u32>(data.size()));
program_image.resize(offset); program_image.resize(offset + data.size());
program_image.insert(program_image.end(), data.begin(), data.end()); std::memcpy(program_image.data() + offset, data.data(), data.size());
}; };
load_segment(codeset.CodeSegment(), kip->GetTextSection(), kip->GetTextOffset()); load_segment(codeset.CodeSegment(), kip->GetTextSection(), kip->GetTextOffset());

12
src/core/loader/nso.cpp
View File

@ -3,6 +3,7 @@
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <cinttypes> #include <cinttypes>
#include <cstring>
#include <vector> #include <vector>
#include "common/common_funcs.h" #include "common/common_funcs.h"
@ -96,8 +97,9 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
if (nso_header.IsSegmentCompressed(i)) { if (nso_header.IsSegmentCompressed(i)) {
data = DecompressSegment(data, nso_header.segments[i]); data = DecompressSegment(data, nso_header.segments[i]);
} }
program_image.resize(nso_header.segments[i].location); program_image.resize(nso_header.segments[i].location + data.size());
program_image.insert(program_image.end(), data.begin(), data.end()); std::memcpy(program_image.data() + nso_header.segments[i].location, data.data(),
data.size());
codeset.segments[i].addr = nso_header.segments[i].location; codeset.segments[i].addr = nso_header.segments[i].location;
codeset.segments[i].offset = nso_header.segments[i].location; codeset.segments[i].offset = nso_header.segments[i].location;
codeset.segments[i].size = PageAlignSize(static_cast<u32>(data.size())); codeset.segments[i].size = PageAlignSize(static_cast<u32>(data.size()));
@ -139,12 +141,12 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
std::vector<u8> pi_header; std::vector<u8> pi_header;
pi_header.insert(pi_header.begin(), reinterpret_cast<u8*>(&nso_header), pi_header.insert(pi_header.begin(), reinterpret_cast<u8*>(&nso_header),
reinterpret_cast<u8*>(&nso_header) + sizeof(NSOHeader)); reinterpret_cast<u8*>(&nso_header) + sizeof(NSOHeader));
pi_header.insert(pi_header.begin() + sizeof(NSOHeader), program_image.begin(), pi_header.insert(pi_header.begin() + sizeof(NSOHeader), program_image.data(),
program_image.end()); program_image.data() + program_image.size());
pi_header = pm->PatchNSO(pi_header, file.GetName()); pi_header = pm->PatchNSO(pi_header, file.GetName());
std::copy(pi_header.begin() + sizeof(NSOHeader), pi_header.end(), program_image.begin()); std::copy(pi_header.begin() + sizeof(NSOHeader), pi_header.end(), program_image.data());
} }
// Apply cheats if they exist and the program has a valid title ID // Apply cheats if they exist and the program has a valid title ID