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Diffstat (limited to 'src/kernel/HALKit/POWER/Processor.h')
| -rw-r--r-- | src/kernel/HALKit/POWER/Processor.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/kernel/HALKit/POWER/Processor.h b/src/kernel/HALKit/POWER/Processor.h new file mode 100644 index 00000000..46cda33e --- /dev/null +++ b/src/kernel/HALKit/POWER/Processor.h @@ -0,0 +1,60 @@ +/* ======================================== + + Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license. + + Purpose: POWER processor header. + +======================================== */ + +#pragma once + +#include <NeKit/Defines.h> +#include <NeKit/Utils.h> + +#define rtl_nop_op() asm volatile("mr 0, 0") +#define kHalPPCAlignment __attribute__((aligned(4))) + +namespace Kernel::HAL { +typedef UIntPtr Reg; + +/// @brief Stack frame (as retrieved from assembly.) +struct PACKED StackFrame final { + Reg R8{0}; + Reg R9{0}; + Reg R10{0}; + Reg R11{0}; + Reg R12{0}; + Reg R13{0}; + Reg R14{0}; + Reg R15{0}; + Reg SP{0}; + Reg IP{0}; +}; + +typedef StackFrame* StackFramePtr; + +inline void rt_halt() { + while (true) { + NoOp(); // no oop. + } +} + +inline void rt_cli() { + NoOp(); // no oop +} +} // namespace Kernel::HAL + +EXTERN_C Kernel::Void int_handle_math(Kernel::UIntPtr sp); +EXTERN_C Kernel::Void int_handle_pf(Kernel::UIntPtr sp); + +/// @brief Set TLB. +Kernel::Bool hal_set_tlb(Kernel::UInt8 tlb, Kernel::UInt32 epn, Kernel::UInt64 rpn, + Kernel::UInt8 perms, Kernel::UInt8 wimge, Kernel::UInt8 ts, + Kernel::UInt8 esel, Kernel::UInt8 tsize, Kernel::UInt8 iprot); + +/// @brief Write TLB. +Kernel::Void hal_write_tlb(Kernel::UInt32 mas0, Kernel::UInt32 mas1, Kernel::UInt32 mas2, + Kernel::UInt32 mas3, Kernel::UInt32 mas7); + +/// @brief Flush TLB. +EXTERN_C Kernel::Void hal_flush_tlb(); |
