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@ -111,15 +111,15 @@ static void SwapHandler(int sig, void* raw_context) { |
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if (auto const it = std::ranges::find_if(swap_regions, [addr = mctx.mc_addr](auto const& e) { |
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return uintptr_t(addr) >= uintptr_t(e.first) && uintptr_t(addr) < uintptr_t(e.first) + e.second; |
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}); it != swap_regions.end()) { |
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size_t const page_size = 4096 * 8; |
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size_t const page_size = 4096 * 4; //16K
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size_t const page_mask = ~(page_size - 1); |
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// should replace the existing mapping... ugh
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void* aligned_addr = reinterpret_cast<void*>(uintptr_t(mctx.mc_addr) & page_mask); |
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void* res = mmap(aligned_addr, page_size, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0); |
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if (res == MAP_FAILED) { |
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LOG_ERROR(HW_Memory, "FAIL mapped addr {},{} @ {}:{}", mctx.mc_addr, aligned_addr, it->first, it->second); |
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LOG_ERROR(HW_Memory, "{},{} @ {}:{}", mctx.mc_addr, aligned_addr, it->first, it->second); |
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} else { |
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LOG_INFO(HW_Memory, "OK mapped addr {},{} @ {}:{}", mctx.mc_addr, aligned_addr, it->first, it->second); |
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LOG_TRACE(HW_Memory, "{},{} @ {}:{}", mctx.mc_addr, aligned_addr, it->first, it->second); |
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} |
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} else { |
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LOG_ERROR(HW_Memory, "fault in addr {:#x} at {:#x}", mctx.mc_addr, mctx.mc_rip); // print caller address
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@ -133,36 +133,20 @@ void InitSwap() noexcept { |
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void InitSwap() noexcept {} |
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#endif
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static const char *swapfile_names[] { |
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"/data/eden/games/swap0.bin", |
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"/data/eden/games/swap1.bin", |
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"/data/eden/games/swap2.bin", |
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"/data/eden/games/swap3.bin", |
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"/data/eden/games/swap4.bin" |
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}; |
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static size_t swapfile_count = 0; |
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void* AllocateMemoryPages(std::size_t size) noexcept { |
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#ifdef _WIN32
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void* addr = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE); |
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ASSERT(addr != nullptr); |
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#elif defined(__OPENORBIS__)
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void* addr = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0); |
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if (addr == MAP_FAILED) { |
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LOG_WARNING(HW_Memory, "failed to mmap({} bytes) using swapfile {}", size, swapfile_names[swapfile_count]); |
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// int fd = open(swapfile_names[swapfile_count], O_TRUNC | O_RDWR | O_CREAT, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
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// ASSERT(fd > 0);
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// ftruncate(fd, size);
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// addr = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
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// ASSERT(addr != MAP_FAILED);
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// ++swapfile_count;
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addr = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_VOID | MAP_PRIVATE, -1, 0); |
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ASSERT(addr != MAP_FAILED); |
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swap_regions.emplace_back(addr, size); |
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} else { |
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LOG_INFO(HW_Memory, "mmap {} bytes", size); |
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} |
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// void* addr = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
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// if (addr == MAP_FAILED) {
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LOG_WARNING(HW_Memory, "Using VoidMem for {}B area", size); |
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void* addr = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_VOID | MAP_PRIVATE, -1, 0); |
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ASSERT(addr != MAP_FAILED); |
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swap_regions.emplace_back(addr, size); |
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// } else {
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// LOG_INFO(HW_Memory, "mmap {} bytes", size);
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// }
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#else
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void* addr = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0); |
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ASSERT(addr != MAP_FAILED); |
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