diff options
| author | Amlal El Mahrouss <amlal@nekernel.org> | 2025-11-24 03:02:43 +0100 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal@nekernel.org> | 2025-11-24 03:02:43 +0100 |
| commit | 83d870e58457a1d335a1d9b9966a6a1887cc297b (patch) | |
| tree | 72888f88c7728c82f3f6df1f4f70591de15eab36 /dev/kernel/HALKit/POWER/HalVirtualMemory.cc | |
| parent | ab37adbacf0f33845804c788b39680cd754752a8 (diff) | |
feat! breaking changes on kernel sources.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
Diffstat (limited to 'dev/kernel/HALKit/POWER/HalVirtualMemory.cc')
| -rw-r--r-- | dev/kernel/HALKit/POWER/HalVirtualMemory.cc | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/dev/kernel/HALKit/POWER/HalVirtualMemory.cc b/dev/kernel/HALKit/POWER/HalVirtualMemory.cc deleted file mode 100644 index cd9511c9..00000000 --- a/dev/kernel/HALKit/POWER/HalVirtualMemory.cc +++ /dev/null @@ -1,46 +0,0 @@ -/* ======================================== - - Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license. - -======================================== */ - -#include <HALKit/POWER/MMU.h> -#include <HALKit/POWER/Processor.h> -#include <KernelKit/DebugOutput.h> - -/// @note Refer to SoC documentation. - -using namespace Kernel; - -EXTERN_C Void hal_write_tlb(UInt32 mas0, UInt32 mas1, UInt32 mas2, UInt32 mas3, UInt32 mas7) { - hal_mtspr(MAS0, mas0); - hal_mtspr(MAS1, mas1); - hal_mtspr(MAS2, mas2); - hal_mtspr(MAS3, mas3); - hal_mtspr(MAS7, mas7); - - hal_flush_tlb(); -} - -EXTERN_C Bool hal_set_tlb(UInt8 tlb, UInt32 epn, UInt64 rpn, UInt8 perms, UInt8 wimge, UInt8 ts, - UInt8 esel, UInt8 tsize, UInt8 iprot) { - if ((hal_mfspr(SPRN_MMUCFG) & MMUCFG_MAVN) == MMUCFG_MAVN_V1 && (tsize & 1)) { - // this MMU does not allow odd tsize values - return false; - } - - UInt32 mas0 = FSL_BOOKE_MAS0(tlb, esel, 0); - UInt32 mas1 = FSL_BOOKE_MAS1(1, iprot, 0, ts, tsize); - UInt32 mas2 = FSL_BOOKE_MAS2(epn, wimge); - UInt32 mas3 = FSL_BOOKE_MAS3(rpn, 0, perms); - UInt32 mas7 = FSL_BOOKE_MAS7(rpn); - - hal_write_tlb(mas0, mas1, mas2, mas3, mas7); - - return true; -} - -/// @brief Flush TLB -EXTERN_C void hal_flush_tlb() { - asm volatile("isync;tlbwe;msync;isync"); -} |
