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agc: initialize function table in tracked driver memory

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This commit is contained in:
nmzik
2026-10-09 15:40:08 +02:00
parent 973809cde0
commit 165cd884ca
2 changed files with 130 additions and 0 deletions
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tests/ShaderRecompilerComputeTests.cpp
+49
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@@ -41326,6 +41326,53 @@ void CheckShaderFusion() {
std::printf("[host] %-32s ok\n", "ShaderFusion");
}
void CheckAgcSystemTable(RenderContext &renderer) {
constexpr const char *name = "AgcSystemTable";
constexpr uint64_t driver_base = 0x0fe0000000ull;
constexpr uint64_t table_address = driver_base + 0x40000;
constexpr std::array<uint32_t, 16> native_validator{
0xbeeb03ff, 0x00000021, 0xb96a1818, 0xbf06106a,
0xbf800000, 0x8590807e, 0xb96a0a18, 0xbf066a80,
0xbf800000, 0x85ea807e, 0x88ea106a, 0xbf870003,
0xbefc03ff, 0x8a6ca000, 0xbf920009, 0xbefd210e};
LibKernel::Memory::InstallGpuResources(&renderer);
uint32_t state = 0xabcdef01u;
Require(name, "driver startup", Gen5::AgcInit(&state, 13) == 0 && state == 0xabcdef01u,
"Agc startup failed or changed its ignored public state pointer");
LibKernel::Memory::VirtualQueryInfo mapping{};
Require(name, "shared driver backing",
LibKernel::Memory::KernelVirtualQuery(reinterpret_cast<void *>(driver_base), 0,
&mapping, sizeof(mapping)) == 0 &&
mapping.start == driver_base && mapping.end == driver_base + 0x200000 &&
mapping.memory_type == 12 && mapping.protection == 0x33 && mapping.is_direct &&
std::strcmp(mapping.name, "SceAgcDriver") == 0 &&
renderer.IsMapped(driver_base, 0x200000),
"driver startup bypassed shared DMEM metadata or GPU range registration");
ShaderBufferResource descriptor{};
std::array<uint64_t, 16> functions{};
std::array<uint32_t, 16> code{};
Require(name, "ordered-count function backing",
LibKernel::Memory::TryReadBacking(table_address, &descriptor, sizeof(descriptor)) &&
descriptor.Base48() == table_address + 0x60 && descriptor.Stride() == 16 &&
descriptor.NumRecords() == 8 && descriptor.fields[3] == 0x5204 &&
LibKernel::Memory::TryReadBacking(descriptor.Base48(), functions.data(),
sizeof(functions)) &&
functions[4] != 0 && (functions[4] & 0xffu) == 0 && functions[5] == 0 &&
LibKernel::Memory::TryReadBacking(functions[4], code.data(), sizeof(code)) &&
code == native_validator,
"system descriptor did not reach the queue validator and its user data");
auto *instrumentation = reinterpret_cast<uint64_t *>(table_address + 0x18);
Require(name, "default instrumentation", *instrumentation == 0,
"unused vertex validation was enabled at startup");
*instrumentation = 0x12340000u;
Require(name, "repeat startup", Gen5::AgcInit(nullptr, 13) == 0 &&
*instrumentation == 0x12340000u,
"repeat Agc initialization reset existing system state");
*instrumentation = 0;
LibKernel::Memory::InstallGpuResources(nullptr);
std::printf("[host] %-32s ok\n", name);
}
struct CommandBufferLayout {
using Callback = KYTY_SYSV_ABI bool (*)(Gen5::CommandBuffer *, uint32_t,
void *);
@@ -42749,6 +42796,7 @@ int main(int argc, char **argv) {
if (argc == 2 && std::strcmp(argv[1], "--gpu-command-lane-only") == 0) {
VulkanHarness vulkan;
vulkan.CheckGpuCommandLane();
CheckAgcSystemTable(vulkan.RuntimeRenderer());
CheckPm4IndirectControlFlow(vulkan.RuntimeRenderer());
CheckPm4WaitResume(vulkan.RuntimeRenderer());
CheckPm4RewindResume(vulkan.RuntimeRenderer());
@@ -43181,6 +43229,7 @@ int main(int argc, char **argv) {
CheckPm4DepthControlHighBits(vulkan.RuntimeRenderer());
CheckPm4DepthRenderOverride(vulkan.RuntimeRenderer());
CheckShaderFusion();
CheckAgcSystemTable(vulkan.RuntimeRenderer());
CheckPm4WaitPackets(vulkan.RuntimeRenderer());
CheckPm4DrawIndirectMultiPacket(vulkan.RuntimeRenderer());
CheckPm4ContextStateOperations(vulkan.RuntimeRenderer());