diff options
| author | Amlal <amlal@nekernel.org> | 2025-04-25 13:08:33 +0200 |
|---|---|---|
| committer | Amlal <amlal@nekernel.org> | 2025-04-25 13:08:33 +0200 |
| commit | fb790b07aeba8e22e4190cf3e1834d11ecde6c96 (patch) | |
| tree | 4cec7d1b321307b1d5935577631dae116a658a37 /dev/kernel/src/PageMgr.cc | |
| parent | 63a2d92c5dfe976175cda024ec01905d11b43738 (diff) | |
dev: better .clang-format, ran format command.
Signed-off-by: Amlal <amlal@nekernel.org>
Diffstat (limited to 'dev/kernel/src/PageMgr.cc')
| -rw-r--r-- | dev/kernel/src/PageMgr.cc | 179 |
1 files changed, 82 insertions, 97 deletions
diff --git a/dev/kernel/src/PageMgr.cc b/dev/kernel/src/PageMgr.cc index 8778a855..7e385f26 100644 --- a/dev/kernel/src/PageMgr.cc +++ b/dev/kernel/src/PageMgr.cc @@ -1,6 +1,6 @@ /* ------------------------------------------- - Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved. + Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved. ------------------------------------------- */ @@ -11,100 +11,85 @@ #include <HALKit/AMD64/Paging.h> #elif defined(__NE_ARM64__) #include <HALKit/ARM64/Paging.h> -#endif // ifdef __NE_AMD64__ || defined(__NE_ARM64__) - -namespace Kernel -{ - PTEWrapper::PTEWrapper(Boolean Rw, Boolean User, Boolean ExecDisable, UIntPtr VirtAddr) - : fRw(Rw), - fUser(User), - fExecDisable(ExecDisable), - fVirtAddr(VirtAddr), - fCache(false), - fShareable(false), - fWt(false), - fPresent(true), - fAccessed(false) - { - } - - PTEWrapper::~PTEWrapper() = default; - - /// @brief Flush virtual address. - /// @param VirtAddr - Void PageMgr::FlushTLB() - { +#endif // ifdef __NE_AMD64__ || defined(__NE_ARM64__) + +namespace Kernel { +PTEWrapper::PTEWrapper(Boolean Rw, Boolean User, Boolean ExecDisable, UIntPtr VirtAddr) + : fRw(Rw), + fUser(User), + fExecDisable(ExecDisable), + fVirtAddr(VirtAddr), + fCache(false), + fShareable(false), + fWt(false), + fPresent(true), + fAccessed(false) {} + +PTEWrapper::~PTEWrapper() = default; + +/// @brief Flush virtual address. +/// @param VirtAddr +Void PageMgr::FlushTLB() { #ifndef __NE_MINIMAL_OS__ - hal_flush_tlb(); -#endif // !__NE_MINIMAL_OS__ - } - - /// @brief Reclaim freed page. - /// @return - Bool PTEWrapper::Reclaim() - { - if (!this->fPresent) - { - this->fPresent = true; - return true; - } - - return false; - } - - /// @brief Request a PTE. - /// @param Rw r/w? - /// @param User user mode? - /// @param ExecDisable disable execution on page? - /// @return - PTEWrapper PageMgr::Request(Boolean Rw, Boolean User, Boolean ExecDisable, SizeT Sz, SizeT Pad) - { - // Store PTE wrapper right after PTE. - VoidPtr ptr = Kernel::HAL::mm_alloc_bitmap(Rw, User, Sz, NO, Pad); - - return PTEWrapper{Rw, User, ExecDisable, reinterpret_cast<UIntPtr>(ptr)}; - } - - /// @brief Disable BitMap. - /// @param wrapper the wrapper. - /// @return If the page bitmap was cleared or not. - Bool PageMgr::Free(Ref<PTEWrapper>& wrapper) - { - if (!Kernel::HAL::mm_free_bitmap((VoidPtr)wrapper.Leak().VirtualAddress())) - return false; - - return true; - } - - /// @brief Virtual PTE address. - /// @return The virtual address of the page. - UIntPtr PTEWrapper::VirtualAddress() - { - return (fVirtAddr); - } - - Bool PTEWrapper::Shareable() - { - return fShareable; - } - - Bool PTEWrapper::Present() - { - return fPresent; - } - - Bool PTEWrapper::Access() - { - return fAccessed; - } - - Void PTEWrapper::NoExecute(const bool enable) - { - fExecDisable = enable; - } - - Bool PTEWrapper::NoExecute() - { - return fExecDisable; - } -} // namespace Kernel + hal_flush_tlb(); +#endif // !__NE_MINIMAL_OS__ +} + +/// @brief Reclaim freed page. +/// @return +Bool PTEWrapper::Reclaim() { + if (!this->fPresent) { + this->fPresent = true; + return true; + } + + return false; +} + +/// @brief Request a PTE. +/// @param Rw r/w? +/// @param User user mode? +/// @param ExecDisable disable execution on page? +/// @return +PTEWrapper PageMgr::Request(Boolean Rw, Boolean User, Boolean ExecDisable, SizeT Sz, SizeT Pad) { + // Store PTE wrapper right after PTE. + VoidPtr ptr = Kernel::HAL::mm_alloc_bitmap(Rw, User, Sz, NO, Pad); + + return PTEWrapper{Rw, User, ExecDisable, reinterpret_cast<UIntPtr>(ptr)}; +} + +/// @brief Disable BitMap. +/// @param wrapper the wrapper. +/// @return If the page bitmap was cleared or not. +Bool PageMgr::Free(Ref<PTEWrapper>& wrapper) { + if (!Kernel::HAL::mm_free_bitmap((VoidPtr) wrapper.Leak().VirtualAddress())) return false; + + return true; +} + +/// @brief Virtual PTE address. +/// @return The virtual address of the page. +UIntPtr PTEWrapper::VirtualAddress() { + return (fVirtAddr); +} + +Bool PTEWrapper::Shareable() { + return fShareable; +} + +Bool PTEWrapper::Present() { + return fPresent; +} + +Bool PTEWrapper::Access() { + return fAccessed; +} + +Void PTEWrapper::NoExecute(const bool enable) { + fExecDisable = enable; +} + +Bool PTEWrapper::NoExecute() { + return fExecDisable; +} +} // namespace Kernel |
