enderice2/Fennix
1
0
Fork 0
mirror of https://github.com/EnderIce2/Fennix.git synced 2025-07-02 02:49:15 +00:00
Code Issues Actions Releases Wiki Activity

Merge remote-tracking branch 'Kernel/master'

Browse Source
This commit is contained in:
EnderIce2
2024-11-20 05:00:33 +02:00
parent 93d408e0af 19f2a78d35
commit 682c84b2af
468 changed files with 112800 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

113
Kernel/profiling/cyg.cpp Normal file
View File

@ -0,0 +1,113 @@
/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <types.h>
#include <printf.h>
#include <uart.hpp>
#include "../kernel.h"
bool EnableProfiler = false;
bool Wait = false;
unsigned long long LogDepth = 0;
unsigned int Level = 0;
using namespace UniversalAsynchronousReceiverTransmitter;
UART com2(COM2);
static inline nsa NIF void profiler_uart_wrapper(char c, void *unused)
{
bool renable = EnableProfiler;
EnableProfiler = false;
com2.Write(c);
UNUSED(unused);
if (renable)
EnableProfiler = true;
}
EXTERNC nsa NIF void __cyg_profile_func_enter(void *Function, void *CallSite)
{
if (!EnableProfiler)
return;
while (Wait)
#if defined(a86)
asmv("pause");
#elif defined(aa64)
asmv("yield");
#endif
Wait = true;
if (Level > 40)
Level--;
Level++;
if (!KernelSymbolTable)
fctprintf(profiler_uart_wrapper, nullptr, "%lld [%02d]: \033[42m->\033[0m%*c \033[33m%p\033[0m - \033[33m%p\033[0m\n",
LogDepth++,
Level - 1,
Level,
' ',
Function,
CallSite);
else
fctprintf(profiler_uart_wrapper, nullptr, "%lld [%02d]: \033[42m->\033[0m%*c \033[33m%s\033[0m - \033[33m%s\033[0m\n",
LogDepth++,
Level - 1,
Level,
' ',
KernelSymbolTable->GetSymbol((uintptr_t)Function),
KernelSymbolTable->GetSymbol((uintptr_t)CallSite));
Wait = false;
}
EXTERNC nsa NIF void __cyg_profile_func_exit(void *Function, void *CallSite)
{
if (!EnableProfiler)
return;
while (Wait)
#if defined(a86)
asmv("pause");
#elif defined(aa64)
asmv("yield");
#endif
Wait = true;
if (Level > 40)
Level--;
Level--;
if (!KernelSymbolTable)
fctprintf(profiler_uart_wrapper, nullptr, "%lld [%02d]: \033[41m<-\033[0m%*c \033[33m%p\033[0m - \033[33m%p\033[0m\n",
LogDepth++,
Level - 1,
Level,
' ',
Function,
CallSite);
else
fctprintf(profiler_uart_wrapper, nullptr, "%lld [%02d]: \033[41m<-\033[0m%*c \033[33m%s\033[0m - \033[33m%s\033[0m\n",
LogDepth++,
Level - 1,
Level,
' ',
KernelSymbolTable->GetSymbol((uintptr_t)Function),
KernelSymbolTable->GetSymbol((uintptr_t)CallSite));
Wait = false;
}