From af8a516fc22865abd80d6e26f1541fa3d6bebfdc Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Thu, 9 May 2024 00:42:44 +0200 Subject: MHR-23: :boom:, refactors. - Move NewBoot to /Boot, thus making Kernel directory only containing the kernel. Signed-off-by: Amlal El Mahrouss --- Kernel/HALKit/AMD64/HalProcessor.cpp | 97 ++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 Kernel/HALKit/AMD64/HalProcessor.cpp (limited to 'Kernel/HALKit/AMD64/HalProcessor.cpp') diff --git a/Kernel/HALKit/AMD64/HalProcessor.cpp b/Kernel/HALKit/AMD64/HalProcessor.cpp new file mode 100644 index 00000000..31cee72c --- /dev/null +++ b/Kernel/HALKit/AMD64/HalProcessor.cpp @@ -0,0 +1,97 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#include + +/** + * @file Processor.cpp + * @brief This file is about processor specific functions (in/out/cli/std...) + */ + +namespace NewOS::HAL +{ + void Out8(UInt16 port, UInt8 value) + { + asm volatile("outb %%al, %1" + : + : "a"(value), "Nd"(port) + : "memory"); + } + + void Out16(UInt16 port, UInt16 value) + { + asm volatile("outw %%ax, %1" + : + : "a"(value), "Nd"(port) + : "memory"); + } + + void Out32(UInt16 port, UInt32 value) + { + asm volatile("outl %%eax, %1" + : + : "a"(value), "Nd"(port) + : "memory"); + } + + UInt8 In8(UInt16 port) + { + UInt8 value = 0UL; + asm volatile("inb %1, %%al" + : "=a"(value) + : "Nd"(port) + : "memory"); + + return value; + } + + UInt16 In16(UInt16 port) + { + UInt16 value = 0UL; + asm volatile("inw %1, %%ax" + : "=a"(value) + : "Nd"(port) + : "memory"); + + return value; + } + + UInt32 In32(UInt16 port) + { + UInt32 value = 0UL; + asm volatile("inl %1, %%eax" + : "=a"(value) + : "Nd"(port) + : "memory"); + + return value; + } + + void rt_halt() + { + asm volatile("hlt"); + } + + void rt_cli() + { + asm volatile("cli"); + } + + void rt_sti() + { + asm volatile("sti"); + } + + void rt_cld() + { + asm volatile("cld"); + } + + void rt_std() + { + asm volatile("std"); + } +} // namespace NewOS::HAL -- cgit v1.2.3