mirror/PS2Recomp
1
0
Fork 0
mirror of https://github.com/ran-j/PS2Recomp.git synced 2026-09-26 08:51:05 -04:00
Code Issues Packages Projects Releases Wiki Activity

kernel: implement syscall 0x83 FindAddress + unit tests (#93)

Browse Source
This commit is contained in:
Antonio Guastella
2026-03-06 16:55:34 +01:00
committed by GitHub
parent 493522a769
commit 9e4fd794c1
3 changed files with 123 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ps2xTest/src/ps2_runtime_kernel_tests.cpp
+67
View File
@@ -386,5 +386,72 @@ void register_ps2_runtime_kernel_tests()
const uint32_t setupSp = static_cast<uint32_t>(getRegS32(env.ctx, 2));
t.Equals(setupSp & 0xFu, 0u, "SetupThread should always return a 16-byte aligned stack pointer");
});
tc.Run("numeric syscall 0x83 finds matching table entry", [](TestCase &t)
{
TestEnv env;
constexpr uint32_t kTableBase = 0x00002000u;
constexpr uint32_t kValues[] = {
0x11111111u,
0x11223344u,
0x55555555u,
0x89ABCDEFu
};
writeGuestWords(env.rdram.data(), kTableBase, kValues, std::size(kValues));
setRegU32(env.ctx, 4, kTableBase);
setRegU32(env.ctx, 5, kTableBase + static_cast<uint32_t>(sizeof(kValues)));
setRegU32(env.ctx, 6, 0x11223344u);
t.IsTrue(callSyscall(0x83u, env.rdram.data(), &env.ctx, &env.runtime),
"syscall 0x83 should dispatch");
t.Equals(static_cast<uint32_t>(getRegS32(env.ctx, 2)),
kTableBase + 4u,
"FindAddress should return address of first matching word");
});
tc.Run("numeric syscall 0x83 supports KSEG aliases", [](TestCase &t)
{
TestEnv env;
constexpr uint32_t kTableBasePhys = 0x00003000u;
constexpr uint32_t kTableBaseKseg = 0x80003000u;
constexpr uint32_t kValues[] = {
0x00123456u,
0x8000AAAAu
};
writeGuestWords(env.rdram.data(), kTableBasePhys, kValues, std::size(kValues));
setRegU32(env.ctx, 4, kTableBaseKseg);
setRegU32(env.ctx, 5, kTableBaseKseg + static_cast<uint32_t>(sizeof(kValues)));
setRegU32(env.ctx, 6, 0x80123456u); // Alias of first table value
t.IsTrue(callSyscall(0x83u, env.rdram.data(), &env.ctx, &env.runtime),
"syscall 0x83 should dispatch");
t.Equals(static_cast<uint32_t>(getRegS32(env.ctx, 2)),
kTableBaseKseg,
"FindAddress should match KSEG aliases and preserve guest segment in return value");
});
tc.Run("numeric syscall 0x83 returns 0 when entry is absent", [](TestCase &t)
{
TestEnv env;
constexpr uint32_t kTableBase = 0x00004000u;
constexpr uint32_t kValues[] = {
0x00000001u,
0x00000002u,
0x00000003u
};
writeGuestWords(env.rdram.data(), kTableBase, kValues, std::size(kValues));
setRegU32(env.ctx, 4, kTableBase);
setRegU32(env.ctx, 5, kTableBase + static_cast<uint32_t>(sizeof(kValues)));
setRegU32(env.ctx, 6, 0xDEADBEEFu);
t.IsTrue(callSyscall(0x83u, env.rdram.data(), &env.ctx, &env.runtime),
"syscall 0x83 should dispatch");
t.Equals(static_cast<uint32_t>(getRegS32(env.ctx, 2)),
0u,
"FindAddress should return 0 when no matching word exists");
});
});
}