Fennix/Kernel
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Changed a lot of files. Summary: profiler support; "SafeFunction"; UnlockDeadLock kernel config; Code optimization & more

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This commit is contained in:
Alex
2022-11-28 08:25:37 +02:00
parent 2fba834d41
commit 0289054900
62 changed files with 1462 additions and 558 deletions
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34
Kernel.cpp
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@ -27,6 +27,8 @@ FileSystem::Virtual *vfs = nullptr;
KernelConfig Config;
Time::Clock BootClock;
extern bool EnableProfiler;
// For the Display class. Printing on first buffer as default.
EXTERNC void putchar(char c) { Display->Print(c, 0); }
@ -43,10 +45,8 @@ EXTERNC void KPrint(const char *Format, ...)
Display->SetBuffer(0);
}
EXTERNC void Entry(BootInfo *Info)
EXTERNC __no_instrument_function void PostEntry(BootInfo *Info)
{
trace("Hello, World!");
InitializeMemoryManagement(Info);
BootClock = Time::ReadClock();
bInfo = (BootInfo *)KernelAllocator.RequestPages(TO_PAGES(sizeof(BootInfo)));
memcpy(bInfo, Info, sizeof(BootInfo));
@ -167,6 +167,34 @@ EXTERNC void Entry(BootInfo *Info)
CPU::Halt(true);
}
EXTERNC void __guard_setup(void);
typedef void (*CallPtr)(void);
extern CallPtr __init_array_start[0], __init_array_end[0];
extern CallPtr __fini_array_start[0], __fini_array_end[0];
EXTERNC __no_stack_protector __no_instrument_function void Entry(BootInfo *Info)
{
trace("Hello, World!");
// https://wiki.osdev.org/Calling_Global_Constructors
for (CallPtr *func = __init_array_start; func != __init_array_end; func++)
(*func)();
InitializeMemoryManagement(Info);
EnableProfiler = true;
PostEntry(Info);
}
EXTERNC __no_stack_protector __no_instrument_function void BeforeShutdown()
{
// https://wiki.osdev.org/Calling_Global_Constructors
debug("Calling destructors...");
for (CallPtr *func = __fini_array_start; func != __fini_array_end; func++)
(*func)();
debug("Done.");
}
EXTERNC void TaskingPanic()
{
if (TaskManager)