kernel: lots of tweaks and improvements, WIP: ASN, FileMgr support for OpenHeFS.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 0 insertions, 92 deletions

diff --git a/src/kernel/HALKit/AMD64/HalTimer.cc b/src/kernel/HALKit/AMD64/HalTimer.cc
deleted file mode 100644
index 275c1ece..00000000
--- a/src/kernel/HALKit/AMD64/HalTimer.cc
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
-// Licensed under the Apache License, Version 2.0 (see LICENSE file)
-// Official repository: https://github.com/nekernel-org/nekernel
-
-#include <ArchKit/ArchKit.h>
-#include <KernelKit/Timer.h>
-#include <modules/ACPI/ACPIFactoryInterface.h>
-
-/// ================================================================================
-/// @note timer slot 0
-/// ================================================================================
-
-#define kHPETSignature ("HPET")
-
-#define kHPETCounterRegValue (0x00)
-#define kHPETConfigRegValue (0x20)
-#define kHPETCompRegValue (0x24)
-#define kHPETInterruptRegValue (0x2C)
-
-/// ================================================================================
-///! BUGS: 0
-///! @file HalTimer.cc
-///! @brief Hardware Timer (HPET)
-/// ================================================================================
-
-namespace Kernel::Detail {
-struct HPET_BLOCK : public Kernel::SDT {
-  Kernel::UInt8  hardware_rev_id;
-  Kernel::UInt8  comparator_count : 5;
-  Kernel::UInt8  counter_size : 1;
-  Kernel::UInt8  reserved : 1;
-  Kernel::UInt8  legacy_replacement : 1;
-  Kernel::UInt16 pci_vendor_id;
-  ACPI_ADDRESS   address;
-  Kernel::UInt8  hpet_number;
-  Kernel::UInt16 minimum_tick;
-  Kernel::UInt8  page_protection;
-} PACKED;
-}  // namespace Kernel::Detail
-
-using namespace Kernel;
-
-HardwareTimer::HardwareTimer(UInt64 ms) : fWaitFor(ms) {
-  auto power = PowerFactoryInterface(kHandoverHeader->f_HardwareTables.f_VendorPtr);
-
-  auto hpet = (Detail::HPET_BLOCK*) power.Find(kHPETSignature).Leak().Leak();
-  MUST_PASS(hpet);
-
-  fDigitalTimer = (UInt8*) hpet->address.Address;
-
-  if (hpet->page_protection) {
-    HAL::mm_map_page((VoidPtr) fDigitalTimer, (VoidPtr) fDigitalTimer,
-                     HAL::kMMFlagsWr | HAL::kMMFlagsPCD | HAL::kMMFlagsPwt);
-  }
-
-  // if not enabled yet.
-  if (!(*((volatile UInt64*) ((UInt8*) fDigitalTimer + kHPETConfigRegValue)) & (1 << 0))) {
-    *((volatile UInt64*) ((UInt8*) fDigitalTimer + kHPETConfigRegValue)) =
-        *((volatile UInt64*) ((UInt8*) fDigitalTimer + kHPETConfigRegValue)) | (1 << 0) |
-        (1 << 3);  // enable timer & one shot conf
-  }
-}
-
-HardwareTimer::~HardwareTimer() {
-  fDigitalTimer = nullptr;
-  fWaitFor      = 0;
-}
-
-/***********************************************************************************/
-/// @brief Wait for the timer to stop spinning.
-/***********************************************************************************/
-
-BOOL HardwareTimer::Wait() {
-  if (fWaitFor < 1) return NO;
-  if (fWaitFor > 1'000'000) return NO;  // max 1000s = 16 minutes
-
-  UInt64 hpet_cap              = *((volatile UInt64*) (fDigitalTimer));
-  UInt64 femtoseconds_per_tick = (hpet_cap >> 32);
-
-  if (femtoseconds_per_tick == 0) return NO;
-
-  volatile UInt64* timer = (volatile UInt64*) (fDigitalTimer + kHPETCounterRegValue);
-
-  UInt64 now = *timer;
-
-  UInt64 fs_wait = fWaitFor * 1'000'000'000'000ULL;
-  UInt64 stop_at = now + (fs_wait / femtoseconds_per_tick);
-
-  while (*timer < (stop_at)) asm volatile("pause");
-
-  return YES;
-}