Diamond75/Panda3DS
1
0
Fork 0
mirror of https://github.com/wheremyfoodat/Panda3DS.git synced 2025-04-17 11:11:30 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

Run clang-format

Browse source
This commit is contained in:
wheremyfoodat 2023-09-03 10:40:57 +03:00
parent 414e8cf6c8
commit 53917841bc
1 changed files with 45 additions and 53 deletions
Download patch file Download diff file Expand all files Collapse all files

44
src/core/loader/3dsx.cpp
View file

@ -7,14 +7,13 @@
#include "memory.hpp" #include "memory.hpp"
namespace { namespace {
struct LoadInfo {
struct LoadInfo {
u32 codeSegSizeAligned; u32 codeSegSizeAligned;
u32 rodataSegSizeAligned; u32 rodataSegSizeAligned;
u32 dataSegSizeAligned; u32 dataSegSizeAligned;
}; };
static inline u32 translateAddr(const u32 off, const u32* addrs, const u32* offsets) { static inline u32 translateAddr(const u32 off, const u32* addrs, const u32* offsets) {
if (off < offsets[1]) { if (off < offsets[1]) {
return addrs[0] + off; return addrs[0] + off;
} }
@ -23,15 +22,14 @@ static inline u32 translateAddr(const u32 off, const u32* addrs, const u32* offs
return addrs[1] + off - offsets[1]; return addrs[1] + off - offsets[1];
} }
return addrs[2] + off - offsets[2]; return addrs[2] + off - offsets[2];
} }
} // namespace
}
bool Memory::map3DSX(HB3DSX& hb3dsx, const HB3DSX::Header& header) { bool Memory::map3DSX(HB3DSX& hb3dsx, const HB3DSX::Header& header) {
const LoadInfo hbInfo = { const LoadInfo hbInfo = {
.codeSegSizeAligned = (header.codeSegSize+0xFFF) &~ 0xFFF, .codeSegSizeAligned = (header.codeSegSize + 0xFFF) & ~0xFFF,
.rodataSegSizeAligned = (header.rodataSegSize+0xFFF) &~ 0xFFF, .rodataSegSizeAligned = (header.rodataSegSize + 0xFFF) & ~0xFFF,
.dataSegSizeAligned = (header.dataSegSize+0xFFF) &~ 0xFFF, .dataSegSizeAligned = (header.dataSegSize + 0xFFF) & ~0xFFF,
}; };
const u32 textSegAddr = HB3DSX::entrypoint; const u32 textSegAddr = HB3DSX::entrypoint;
@ -143,8 +141,8 @@ bool Memory::map3DSX(HB3DSX& hb3dsx, const HB3DSX::Header& header) {
const u32 inAddr = textSegAddr + (sectionData.data() - code.data()); // byte offset -> word count const u32 inAddr = textSegAddr + (sectionData.data() - code.data()); // byte offset -> word count
u32 origData = 0; u32 origData = 0;
std::memcpy(&origData, &sectionData[0], sizeof(u32)); std::memcpy(&origData, &sectionData[0], sizeof(u32));
const u32 subType = origData >> (32-4); const u32 subType = origData >> (32 - 4);
const u32 addr = translateAddr(origData &~ 0xF0000000, segAddrs, segOffs); const u32 addr = translateAddr(origData & ~0xF0000000, segAddrs, segOffs);
switch (relocType) { switch (relocType) {
case HB3DSX::RelocType::Absolute: { case HB3DSX::RelocType::Absolute: {
@ -164,9 +162,7 @@ bool Memory::map3DSX(HB3DSX& hb3dsx, const HB3DSX::Header& header) {
case 0: // 32-bit signed offset case 0: // 32-bit signed offset
std::memcpy(&sectionData[0], &data, sizeof(u32)); std::memcpy(&sectionData[0], &data, sizeof(u32));
break; break;
default: default: Helpers::panic("Unsupported relative reloc subtype"); return false;
Helpers::panic("Unsupported relative reloc subtype");
return false;
} }
break; break;
} }
@ -195,7 +191,7 @@ bool Memory::map3DSX(HB3DSX& hb3dsx, const HB3DSX::Header& header) {
// Detect and fill _prm structure // Detect and fill _prm structure
HB3DSX::PrmStruct pst; HB3DSX::PrmStruct pst;
std::memcpy(&pst, &code[4], sizeof(pst)); std::memcpy(&pst, &code[4], sizeof(pst));
if (pst.magic[0] == '_' && pst.magic[1] == 'p' && pst.magic[2] == 'r' && pst.magic[3] == 'm' ) { if (pst.magic[0] == '_' && pst.magic[1] == 'p' && pst.magic[2] == 'r' && pst.magic[3] == 'm') {
// if there was any argv to put, it would go there // if there was any argv to put, it would go there
// first u32: argc // first u32: argc
// remaining: continuous argv string (NUL-char separated, ofc) // remaining: continuous argv string (NUL-char separated, ofc)
@ -262,8 +258,7 @@ std::optional<u32> Memory::load3DSX(const std::filesystem::path& path) {
} }
if (hbHeader.headerSize == 0x20 || hbHeader.headerSize == 0x2C) { if (hbHeader.headerSize == 0x20 || hbHeader.headerSize == 0x2C) {
if (hbHeader.headerSize == 0x2C) if (hbHeader.headerSize == 0x2C) {
{
hb3dsx.file.seek(8, SEEK_CUR); // skip SMDH info hb3dsx.file.seek(8, SEEK_CUR); // skip SMDH info
std::tie(success, bytes) = hb3dsx.file.readBytes(&hb3dsx.romFSOffset, 4); std::tie(success, bytes) = hb3dsx.file.readBytes(&hb3dsx.romFSOffset, 4);
if (!success || bytes != 4) { if (!success || bytes != 4) {
@ -278,8 +273,7 @@ std::optional<u32> Memory::load3DSX(const std::filesystem::path& path) {
} }
hb3dsx.romFSSize = *fileSize - hb3dsx.romFSOffset; hb3dsx.romFSSize = *fileSize - hb3dsx.romFSOffset;
} }
} } else {
else {
printf("Invalid 3DSX header size\n"); printf("Invalid 3DSX header size\n");
return std::nullopt; return std::nullopt;
} }
@ -293,17 +287,15 @@ std::optional<u32> Memory::load3DSX(const std::filesystem::path& path) {
return HB3DSX::entrypoint; return HB3DSX::entrypoint;
} }
bool HB3DSX::hasRomFs() const { bool HB3DSX::hasRomFs() const { return romFSSize != 0 && romFSOffset != 0; }
return romFSSize != 0 && romFSOffset != 0;
}
std::pair<bool, std::size_t> HB3DSX::readRomFSBytes(void *dst, std::size_t offset, std::size_t size) { std::pair<bool, std::size_t> HB3DSX::readRomFSBytes(void* dst, std::size_t offset, std::size_t size) {
if (!hasRomFs()) { if (!hasRomFs()) {
return { false, 0 }; return {false, 0};
} }
if (!file.seek(romFSOffset + offset)) { if (!file.seek(romFSOffset + offset)) {
return { false, 0 }; return {false, 0};
} }
return file.readBytes(dst, size); return file.readBytes(dst, size);