diff options
Diffstat (limited to 'dev/Kernel/HALKit/POWER/HalVirtualMemory.cxx')
| -rw-r--r-- | dev/Kernel/HALKit/POWER/HalVirtualMemory.cxx | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/dev/Kernel/HALKit/POWER/HalVirtualMemory.cxx b/dev/Kernel/HALKit/POWER/HalVirtualMemory.cxx deleted file mode 100644 index 589c2cda..00000000 --- a/dev/Kernel/HALKit/POWER/HalVirtualMemory.cxx +++ /dev/null @@ -1,51 +0,0 @@ -/* ------------------------------------------- - - Copyright ZKA Technologies. - -------------------------------------------- */ - -#include <HALKit/POWER/ppc-cpu.h> -#include <HALKit/POWER/ppc-mmu.h> - -#include <HALKit/POWER/Processor.hxx> -#include <KernelKit/DebugOutput.hxx> - -/// @note refer to the SoC documentation. - -using namespace Kernel; - -Void hal_write_tlb(UInt32 mas0, UInt32 mas1, UInt32 mas2, UInt32 mas3, UInt32 mas7) -{ - mtspr(MAS0, mas0); - mtspr(MAS1, mas1); - mtspr(MAS2, mas2); - mtspr(MAS3, mas3); - mtspr(MAS7, mas7); - - hal_flush_tlb(); -} - -Bool hal_set_tlb(UInt8 tlb, UInt32 epn, UInt64 rpn, UInt8 perms, UInt8 wimge, UInt8 ts, UInt8 esel, UInt8 tsize, UInt8 iprot) -{ - if ((mfspr(SPRN_MMUCFG) & MMUCFG_MAVN) == MMUCFG_MAVN_V1 && (tsize & 1)) - { - // this mmu-version 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"); -} |
