diff options
Diffstat (limited to 'dev/kernel/HALKit/AMD64/HalProcessorAMD64.cc')
| -rw-r--r-- | dev/kernel/HALKit/AMD64/HalProcessorAMD64.cc | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/dev/kernel/HALKit/AMD64/HalProcessorAMD64.cc b/dev/kernel/HALKit/AMD64/HalProcessorAMD64.cc index b3cf8d09..ea129c90 100644 --- a/dev/kernel/HALKit/AMD64/HalProcessorAMD64.cc +++ b/dev/kernel/HALKit/AMD64/HalProcessorAMD64.cc @@ -17,7 +17,14 @@ namespace Kernel::HAL { - Void lrt_out8(UInt16 port, UInt8 value) + Void hal_set_msr(UInt32 msr, UInt32 lo, UInt32 hi) noexcept + { + asm volatile("wrmsr" + : + : "a"(lo), "d"(hi), "c"(msr)); + } + + Void lrt_hal_out8(UInt16 port, UInt8 value) { asm volatile("outb %%al, %1" : @@ -25,7 +32,7 @@ namespace Kernel::HAL : "memory"); } - Void lrt_out16(UInt16 port, UInt16 value) + Void lrt_hal_out16(UInt16 port, UInt16 value) { asm volatile("outw %%ax, %1" : @@ -33,7 +40,7 @@ namespace Kernel::HAL : "memory"); } - Void lrt_out32(UInt16 port, UInt32 value) + Void lrt_hal_out32(UInt16 port, UInt32 value) { asm volatile("outl %%eax, %1" : @@ -41,7 +48,7 @@ namespace Kernel::HAL : "memory"); } - UInt8 lrt_in8(UInt16 port) + UInt8 lrt_hal_in8(UInt16 port) { UInt8 value = 0UL; asm volatile("inb %1, %%al" @@ -52,7 +59,7 @@ namespace Kernel::HAL return value; } - UInt16 lrt_in16(UInt16 port) + UInt16 lrt_hal_in16(UInt16 port) { UInt16 value = 0UL; asm volatile("inw %1, %%ax" @@ -63,7 +70,7 @@ namespace Kernel::HAL return value; } - UInt32 lrt_in32(UInt16 port) + UInt32 lrt_hal_in32(UInt16 port) { UInt32 value = 0UL; asm volatile("inl %1, %%eax" |