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Merged
merged 2 commits into from
Aug 16, 2025
Merged

Development #89

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16726ca
Fix compiler builtins, Modern memory guard
assembler-0 Aug 16, 2025
08b5479
Fix compiler builtins, Modern memory guard
assembler-0 Aug 16, 2025
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3 changes: 1 addition & 2 deletions kernel/core/Kernel.c
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Original file line number Diff line number Diff line change
Expand Up @@ -584,7 +584,7 @@ static InitResultT PXS2(void) {

// Initialize IDE driver
PrintKernel("Info: Initializing IDE driver...\n");
int ide_result = IdeInit();
const int ide_result = IdeInit();
if (ide_result == IDE_OK) {
PrintKernelSuccess("System: IDE driver initialized\n");

Expand Down Expand Up @@ -690,6 +690,5 @@ void KernelMainHigherHalf(void) {

while (1) { // redundant but added for worst case scenario, should not reach here
Yield();
__asm__ volatile("hlt");
}
}
6 changes: 3 additions & 3 deletions kernel/process/Process.c
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,7 @@ static uint64_t CalculateSecureChecksum(const SecurityToken* token, uint32_t pid
}

static inline int FindFreeSlotFast(void) {
if (UNLIKELY(active_process_bitmap == ~1ULL)) { // All slots except 0 taken
if (UNLIKELY(active_process_bitmap == ~1ULL)) { // All slots except 0 taken
return -1;
}

Expand Down Expand Up @@ -126,7 +126,7 @@ static void AddToTerminationQueueAtomic(uint32_t slot) {
}

termination_queue[tail] = slot;
__sync_synchronize(); // Memory barrier
__atomic_thread_fence(__ATOMIC_SEQ_CST);
term_queue_tail = new_tail;
AtomicInc(&term_queue_count);
}
Expand Down Expand Up @@ -258,7 +258,7 @@ void TerminateProcess(uint32_t pid, TerminationReason reason, uint32_t exit_code
}

proc->state = PROC_ZOMBIE; // Set state FIRST
__sync_synchronize(); // Full memory barrier
__atomic_thread_fence(__ATOMIC_SEQ_CST);
AddToTerminationQueueAtomic(slot); // Then add to queue
SpinLock(&pid_lock);
int idx = proc->pid / 64;
Expand Down