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exo2: fix a number of bugs, add temp debug-log code

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This commit is contained in:
Michael Scire 2020-05-16 03:29:50 -07:00 • committed by SciresM
parent aa50944568
commit bb3a8a888f
5 changed files with 48 additions and 5 deletions
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43
exosphere2/program/source/smc/secmon_smc_handler.cpp
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@ -231,9 +231,48 @@ namespace ams::secmon::smc {
return info.handler(args);
}
constinit std::atomic<int> g_logged = 0;
constexpr int LogMin = 0x100;
constexpr int LogMax = 0x120;
constexpr size_t LogBufSize = 0x5000;
void DebugLog(SmcArguments &args) {
const int current = g_logged.fetch_add(1);
if (current == 0) {
std::memset(MemoryRegionVirtualDebug.GetPointer<void>(), 0xCC, LogBufSize);
}
if (current < LogMin) {
return;
}
const int ind = current - LogMin;
const int ofs = (ind * sizeof(args)) % LogBufSize;
for (size_t i = 0; i < sizeof(args) / sizeof(u32); ++i) {
((volatile u32 *)(MemoryRegionVirtualDebug.GetAddress() + ofs))[i] = reinterpret_cast<u32 *>(std::addressof(args))[i];
}
if (current >= LogMax) {
*(volatile u32 *)(MemoryRegionVirtualDevicePmc.GetAddress() + 0x50) = 0x02;
*(volatile u32 *)(MemoryRegionVirtualDevicePmc.GetAddress() + 0x00) = 0x10;
util::WaitMicroSeconds(1000);
}
}
}
void HandleSmc(int type, SmcArguments &args) {
if (type == HandlerType_User) {
DebugLog(args);
}
/* Get the table. */
const auto &table = GetHandlerTable(static_cast<HandlerType>(type), args.r[0]);
@ -243,6 +282,10 @@ namespace ams::secmon::smc {
/* Set the invocation result. */
args.r[0] = static_cast<u64>(InvokeSmcHandler(info, args));
if (type == HandlerType_User) {
DebugLog(args);
}
/* TODO: For debugging. Remove this when exo2 is complete. */
#if 1
if (args.r[0] == static_cast<u64>(SmcResult::NotImplemented)) {