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

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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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68
stratosphere/dmnt.gen2/source/dmnt2_debug_log.cpp
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@ -16,7 +16,8 @@
#include <stratosphere.hpp>
#include "dmnt2_debug_log.hpp"
#define AMS_DMNT2_ENABLE_HTCS_DEBUG_LOG
// TODO: This should be converted to use log manager. */
//#define AMS_DMNT2_ENABLE_HTCS_DEBUG_LOG
#if defined(AMS_DMNT2_ENABLE_HTCS_DEBUG_LOG)
@ -164,15 +165,78 @@ namespace ams::dmnt {
namespace ams::dmnt {
//#define AMS_DMNT2_ENABLE_SD_CARD_DEBUG_LOG
#if defined(AMS_DMNT2_ENABLE_SD_CARD_DEBUG_LOG)
namespace {
alignas(0x40) constinit u8 g_buffer[os::MemoryPageSize * 4];
constinit lmem::HeapHandle g_debug_log_heap;
constinit fs::FileHandle g_debug_log_file;
constinit os::SdkMutex g_fs_mutex;
constinit s64 g_fs_offset = 0;
void *Allocate(size_t size) {
return lmem::AllocateFromExpHeap(g_debug_log_heap, size);
}
void Deallocate(void *p, size_t size) {
AMS_UNUSED(size);
return lmem::FreeToExpHeap(g_debug_log_heap, p);
}
}
void InitializeDebugLog() {
/* Do nothing. */
g_debug_log_heap = lmem::CreateExpHeap(g_buffer, sizeof(g_buffer), lmem::CreateOption_ThreadSafe);
fs::SetAllocator(Allocate, Deallocate);
fs::InitializeForSystem();
fs::SetEnabledAutoAbort(false);
R_ABORT_UNLESS(fs::MountSdCard("sdmc"));
fs::DeleteFile("sdmc:/dmnt2.log");
R_ABORT_UNLESS(fs::CreateFile("sdmc:/dmnt2.log", 0));
R_ABORT_UNLESS(fs::OpenFile(std::addressof(g_debug_log_file), "sdmc:/dmnt2.log", fs::OpenMode_Write | fs::OpenMode_AllowAppend));
}
void DebugLog(const char *prefix, const char *fmt, ...) {
/* Do nothing. */
char buffer[0x200];
{
const auto prefix_len = std::strlen(prefix);
std::memcpy(buffer, prefix, prefix_len);
std::va_list vl;
va_start(vl, fmt);
util::VSNPrintf(buffer + prefix_len, sizeof(buffer) - prefix_len, fmt, vl);
va_end(vl);
}
const auto len = std::strlen(buffer);
std::scoped_lock lk(g_fs_mutex);
R_ABORT_UNLESS(fs::WriteFile(g_debug_log_file, g_fs_offset, buffer, len, fs::WriteOption::Flush));
g_fs_offset += len;
}
#else
void InitializeDebugLog() {
/* ... */
}
void DebugLog(const char *prefix, const char *fmt, ...) {
AMS_UNUSED(prefix, fmt);
}
#endif
}