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erickerxhalliandClaude Opus 5.5
deeea9d284
Write the low 32 bits of the SDK version field at offset 0x10 of the title's process parameters and return EINVAL (0x80020016) for a null output, following shadPS4. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01WYjMwvLdPR8iX8EP8tQYWa
44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
#include "ProcessParametersFixture.hpp"
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#include "prx/libc/include/general/VabiMacros.hpp"
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#include <array>
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#include <cstddef>
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#include <cstdint>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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extern "C" int APS5_VABI sceKernelGetCompiledSdkVersion(std::int32_t* version);
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namespace {
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alignas(16) std::array<std::byte, 0x40> process{};
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void Require(bool condition, const char* message) {
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if (!condition) {
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std::fprintf(stderr, "KERNEL SYS SDK VERSION: %s\n", message);
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std::abort();
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}
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}
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}
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int main() {
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const std::uint64_t size = process.size();
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const std::uint32_t magic = 0x4942524f;
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const std::uint64_t sdkVersion = 0xFFFFFFFF07008001ull;
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std::memcpy(process.data(), &size, sizeof(size));
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std::memcpy(process.data() + 8, &magic, sizeof(magic));
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std::memcpy(process.data() + 0x10, &sdkVersion, sizeof(sdkVersion));
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Require(ProcessParametersFixture::Install(process.data(), process.size()), "process parameters were not installed");
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Require(sceKernelGetCompiledSdkVersion(nullptr) == static_cast<int>(0x80020016), "null output is not EINVAL");
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std::array<std::int32_t, 2> output{-1, 0x5a5a5a5a};
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Require(sceKernelGetCompiledSdkVersion(output.data()) == 0, "query failed");
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Require(output[0] == 0x07008001, "version is not the low 32 bits of the process parameters' SDK version");
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Require(output[1] == 0x5a5a5a5a, "the query wrote past the version");
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std::puts("KERNEL SYS SDK VERSION tests passed");
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return 0;
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}
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