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atrocities against memory

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user
2026-02-03 20:00:32 +01:00
parent 467fc6cd0c
commit 0d9c32fd14
2 changed files with 7 additions and 8 deletions
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9
kernel/thread/thread.cc
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@@ -37,7 +37,7 @@ void Thread::kickoffUsermode (Thread *object){
Thread::Thread (bool kernel, void * start): queue_link(nullptr), isKernel(kernel), start(start), id(idCounter++), kill_flag(false){
StackPointer.isr = reinterpret_cast<void *>(reserved_stack_space_isr + STACK_SIZE);
StackPointer.user = reinterpret_cast<void *>(reserved_stack_space_user + STACK_SIZE);
StackPointer.user = reinterpret_cast<void *>(PageFrameAllocator::alloc(false) + STACK_SIZE);
prepareContext(StackPointer.isr, context, kickoff, reinterpret_cast<uintptr_t>(this), 0, 0);
}
@@ -52,14 +52,13 @@ void Thread::resume(Thread *next) {
context_switch(&next->context, &context);
}
void* operator new(std::size_t sz)
void* operator new(size_t sz)
{
if (sz == 0)
++sz; // avoid std::malloc(0) which may return nullptr on success
if (void *ptr = PagreFrameAllocator::alloc(true))
return ptr;
void *ptr = PageFrameAllocator::alloc(true);
return ptr;
}

6
kernel/thread/thread.h
View File

@@ -18,7 +18,7 @@
#include "../types.h"
/// Stack size for each thread
constexpr uint32_t STACK_SIZE = 4096;
constexpr uint32_t STACK_SIZE = 3096;
/*! \brief The Thread is an object used by the scheduler.
* \ingroup thread
@@ -35,7 +35,7 @@ class Thread {
friend class Semaphore;
/*! \brief Memory reserved for this threads stack
*/
alignas(16) char reserved_stack_space_user[STACK_SIZE];
// alignas(16) char reserved_stack_space_user[STACK_SIZE];
alignas(16) char reserved_stack_space_isr[STACK_SIZE];
protected:
@@ -118,5 +118,5 @@ class Thread {
//
void* operator new ( std::size_t count );
void* operator new ( size_t count );
};