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orezraeyandClaude Opus 5.5
92448b72f9
On PS5 firmware 13.60 sceKernelGetProsperoSystemSwVersion and sceKernelGetSystemSwVersion return 0 for every value in the leading size field, keep it, write the string and the packed version, and return 0 without writing for a null block. Co-Authored-By: Claude Opus 5.5 <[email protected]>
54 lines
2.2 KiB
C++
54 lines
2.2 KiB
C++
#include "prx/libkernel/include/Api.hpp"
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#include "prx/libc/include/Api.hpp"
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#include "prx/libc/include/general/VabiMacros.hpp"
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#include "prx/libkernel/KernelErrors.hpp"
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#include <cstddef>
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#include <cstdint>
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#include <cstdlib>
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#include <cstring>
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static_assert(offsetof(SceKernelProsperoSystemSwVersion, versionString) == 0x08);
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static_assert(offsetof(SceKernelProsperoSystemSwVersion, version) == 0x24);
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static_assert(sizeof(SceKernelProsperoSystemSwVersion) == 0x28);
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static void Require(bool value) { if (!value) std::abort(); }
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static void CheckProsperoSystemSwVersion() {
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*__error_nid_postfix() = 13;
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Require(sceKernelGetProsperoSystemSwVersion_nid_postfix(nullptr) == 0);
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const std::uint64_t sizes[] = {0, 0x18, 0x27, 0x28, 0x29, 0x30, 0x100, ~0ull};
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for (const std::uint64_t size : sizes) {
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struct {
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SceKernelProsperoSystemSwVersion version;
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unsigned char suffix[0x40];
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} storage;
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std::memset(&storage, 0xaa, sizeof(storage));
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storage.version.size = size;
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Require(sceKernelGetProsperoSystemSwVersion_nid_postfix(&storage.version) == 0);
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Require(storage.version.size == size);
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Require(std::strcmp(storage.version.versionString, "01.000.000") == 0);
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for (std::size_t i = sizeof("01.000.000"); i < sizeof(storage.version.versionString); ++i) Require(storage.version.versionString[i] == 0);
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Require(storage.version.version == 0x01000000);
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for (const unsigned char byte : storage.suffix) Require(byte == 0xaa);
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}
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Require(*__error_nid_postfix() == 13);
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}
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static void CheckAllowedSdkVersionOnSystem() {
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*__error_nid_postfix() = 13;
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Require(sceKernelGetAllowedSdkVersionOnSystem_nid_postfix(nullptr) == SCE_KERNEL_ERROR_EINVAL);
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std::uint32_t allowed = 0xaaaaaaaa;
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Require(sceKernelGetAllowedSdkVersionOnSystem_nid_postfix(&allowed) == 0);
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SceKernelProsperoSystemSwVersion system{};
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system.size = sizeof(system);
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Require(sceKernelGetProsperoSystemSwVersion_nid_postfix(&system) == 0);
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Require(allowed == (system.version | 0xfff) && allowed >> 16 == system.version >> 16);
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Require(*__error_nid_postfix() == 13);
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}
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int main() {
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CheckProsperoSystemSwVersion();
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CheckAllowedSdkVersionOnSystem();
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return 0;
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}
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