mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-05-25 22:14:37 +00:00
114 lines
2.7 KiB
C++
114 lines
2.7 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <types.h>
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#include <printf.h>
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#include <uart.hpp>
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#include "../kernel.h"
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bool EnableProfiler = false;
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bool Wait = false;
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unsigned long long LogDepth = 0;
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unsigned int Level = 0;
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using namespace UniversalAsynchronousReceiverTransmitter;
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UART com2(COM2);
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static inline nsa NIF void profiler_uart_wrapper(char c, void *unused)
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{
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bool renable = EnableProfiler;
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EnableProfiler = false;
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com2.Write(c);
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UNUSED(unused);
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if (renable)
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EnableProfiler = true;
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}
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EXTERNC nsa NIF void __cyg_profile_func_enter(void *Function, void *CallSite)
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{
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if (!EnableProfiler)
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return;
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while (Wait)
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#if defined(a86)
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asmv("pause");
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#elif defined(aa64)
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asmv("yield");
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#endif
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Wait = true;
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if (Level > 40)
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Level--;
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Level++;
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if (!KernelSymbolTable)
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fctprintf(profiler_uart_wrapper, nullptr, "%lld [%02d]: \033[42m->\033[0m%*c \033[33m%p\033[0m - \033[33m%p\033[0m\n",
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LogDepth++,
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Level - 1,
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Level,
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' ',
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Function,
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CallSite);
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else
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fctprintf(profiler_uart_wrapper, nullptr, "%lld [%02d]: \033[42m->\033[0m%*c \033[33m%s\033[0m - \033[33m%s\033[0m\n",
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LogDepth++,
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Level - 1,
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Level,
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' ',
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KernelSymbolTable->GetSymbol((uintptr_t)Function),
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KernelSymbolTable->GetSymbol((uintptr_t)CallSite));
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Wait = false;
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}
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EXTERNC nsa NIF void __cyg_profile_func_exit(void *Function, void *CallSite)
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{
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if (!EnableProfiler)
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return;
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while (Wait)
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#if defined(a86)
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asmv("pause");
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#elif defined(aa64)
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asmv("yield");
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#endif
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Wait = true;
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if (Level > 40)
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Level--;
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Level--;
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if (!KernelSymbolTable)
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fctprintf(profiler_uart_wrapper, nullptr, "%lld [%02d]: \033[41m<-\033[0m%*c \033[33m%p\033[0m - \033[33m%p\033[0m\n",
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LogDepth++,
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Level - 1,
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Level,
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' ',
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Function,
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CallSite);
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else
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fctprintf(profiler_uart_wrapper, nullptr, "%lld [%02d]: \033[41m<-\033[0m%*c \033[33m%s\033[0m - \033[33m%s\033[0m\n",
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LogDepth++,
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Level - 1,
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Level,
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' ',
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KernelSymbolTable->GetSymbol((uintptr_t)Function),
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KernelSymbolTable->GetSymbol((uintptr_t)CallSite));
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Wait = false;
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}
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