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dmnt: enable experimental standalone usage of gdbstub, while starlink is in dev

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This commit is contained in:
Michael Scire 2021-10-31 15:47:08 -07:00 • committed by SciresM
parent 5eabca7f04
commit 4489513f7c
22 changed files with 464 additions and 68 deletions
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37
stratosphere/dmnt.gen2/source/dmnt2_main.cpp
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@ -16,15 +16,22 @@
#include <stratosphere.hpp>
#include "dmnt2_debug_log.hpp"
#include "dmnt2_gdb_server.hpp"
#include "dmnt2_transport_layer.hpp"
namespace ams {
namespace dmnt {
namespace {
namespace {
alignas(0x40) constinit u8 g_htcs_buffer[4_KB];
bool IsHtcEnabled() {
u8 enable_htc = 0;
settings::fwdbg::GetSettingsItemValue(std::addressof(enable_htc), sizeof(enable_htc), "atmosphere", "enable_htc");
return enable_htc != 0;
}
bool IsStandaloneGdbstubEnabled() {
u8 enable_gdbstub = 0;
settings::fwdbg::GetSettingsItemValue(std::addressof(enable_gdbstub), sizeof(enable_gdbstub), "atmosphere", "enable_standalone_gdbstub");
return enable_gdbstub != 0;
}
}
@ -50,11 +57,23 @@ namespace ams {
os::SetThreadNamePointer(os::GetCurrentThread(), AMS_GET_SYSTEM_THREAD_NAME(dmnt, Main));
AMS_ASSERT(os::GetThreadPriority(os::GetCurrentThread()) == AMS_GET_SYSTEM_THREAD_PRIORITY(dmnt, Main));
/* Initialize htcs. */
constexpr auto HtcsSocketCountMax = 8;
const size_t buffer_size = htcs::GetWorkingMemorySize(HtcsSocketCountMax);
AMS_ABORT_UNLESS(sizeof(dmnt::g_htcs_buffer) >= buffer_size);
htcs::InitializeForSystem(dmnt::g_htcs_buffer, buffer_size, HtcsSocketCountMax);
bool use_htcs = false, use_tcp = false;
{
R_ABORT_UNLESS(::setsysInitialize());
ON_SCOPE_EXIT { ::setsysExit(); };
use_htcs = IsHtcEnabled();
use_tcp = IsStandaloneGdbstubEnabled();
}
/* Initialize transport layer. */
if (use_htcs) {
dmnt::transport::InitializeByHtcs();
} else if (use_tcp) {
dmnt::transport::InitializeByTcp();
} else {
return;
}
/* Initialize debug log thread. */
dmnt::InitializeDebugLog();