mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mesosphere.hpp>
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extern "C" void _start();
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namespace ams::result::impl {
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NORETURN void OnResultAssertion(Result result) {
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MESOSPHERE_PANIC("OnResultAssertion(2%03d-%04d)", result.GetModule(), result.GetDescription());
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}
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}
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namespace ams::kern {
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namespace {
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size_t g_panic_count = 0;
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[[gnu::unused]] void PrintCurrentState() {
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if (g_panic_count == 1) {
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g_panic_count++;
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MESOSPHERE_RELEASE_LOG("Base Address: %p\n", _start);
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/* TODO: Dump register state. */
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#ifdef ATMOSPHERE_ARCH_ARM64
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MESOSPHERE_RELEASE_LOG("Backtrace:\n");
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uintptr_t fp = reinterpret_cast<uintptr_t>(__builtin_frame_address(0));
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for (size_t i = 0; i < 32 && fp && util::IsAligned(fp, 0x10) && cpu::GetPhysicalAddressWritable(nullptr, fp, true); i++) {
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struct {
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uintptr_t fp;
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uintptr_t lr;
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} *stack_frame = reinterpret_cast<decltype(stack_frame)>(fp);
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MESOSPHERE_RELEASE_LOG(" [%02zx]: %p\n", i, reinterpret_cast<void *>(stack_frame->lr));
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fp = stack_frame->fp;
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}
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#endif
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}
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}
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NORETURN void StopSystem() {
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#ifdef MESOSPHERE_BUILD_FOR_DEBUGGING
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PrintCurrentState();
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#endif
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KSystemControl::StopSystem();
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}
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}
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NORETURN WEAK_SYMBOL void Panic(const char *file, int line, const char *format, ...) {
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#ifdef MESOSPHERE_BUILD_FOR_DEBUGGING
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if (g_panic_count == 0) {
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g_panic_count++;
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::std::va_list vl;
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va_start(vl, format);
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MESOSPHERE_RELEASE_LOG("KernelPanic (Core %d): %s:%d\n", GetCurrentCoreId(), file, line);
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MESOSPHERE_RELEASE_VLOG(format, vl);
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MESOSPHERE_RELEASE_LOG("\n");
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va_end(vl);
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}
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#endif
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StopSystem();
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}
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NORETURN WEAK_SYMBOL void Panic() {
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StopSystem();
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}
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}
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