refactor: remove non-essential protocols

Author: jclab-joseph

src/machine/uefi/efidevp.go

@@ -1,7 +1,5 @@
 package uefi
 
-import "unsafe"
-
 // Device Path structures - Section C
 
 // EFI_DEVICE_PATH_PROTOCOL structure
@@ -10,74 +8,3 @@ type EFI_DEVICE_PATH_PROTOCOL struct {
 	SubType uint8
 	Length  [2]uint8
 }
-
-// EFI_DEVICE_PATH_PROTOCOL aliases
-type EFI_DEVICE_PATH EFI_DEVICE_PATH_PROTOCOL
-
-// EFI_DEVICE_PATH related constants
-const (
-	EFI_DP_TYPE_MASK                 = 0x7F
-	EFI_DP_TYPE_UNPACKED             = 0x80
-	END_DEVICE_PATH_TYPE             = 0x7F
-	END_ENTIRE_DEVICE_PATH_SUBTYPE   = 0xFF
-	END_INSTANCE_DEVICE_PATH_SUBTYPE = 0x01
-)
-
-var END_DEVICE_PATH_LENGTH = unsafe.Sizeof(EFI_DEVICE_PATH_PROTOCOL{})
-
-// Macro-like functions for manipulating EFI_DEVICE_PATH_PROTOCOL
-func DP_IS_END_TYPE(a *EFI_DEVICE_PATH_PROTOCOL) bool {
-	return (a.Type == END_DEVICE_PATH_TYPE)
-}
-
-func DP_IS_END_SUBTYPE(a *EFI_DEVICE_PATH_PROTOCOL) bool {
-	return (a.SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE)
-}
-
-func DevicePathType(a *EFI_DEVICE_PATH_PROTOCOL) uint8 {
-	return (a.Type & EFI_DP_TYPE_MASK)
-}
-
-func DevicePathSubType(a *EFI_DEVICE_PATH_PROTOCOL) uint8 {
-	return a.SubType
-}
-
-func DevicePathNodeLength(a *EFI_DEVICE_PATH_PROTOCOL) uint16 {
-	return uint16(a.Length[0]) | (uint16(a.Length[1]) << 8)
-}
-
-func NextDevicePathNode(a *EFI_DEVICE_PATH_PROTOCOL) *EFI_DEVICE_PATH_PROTOCOL {
-	return (*EFI_DEVICE_PATH_PROTOCOL)(unsafe.Pointer(uintptr(unsafe.Pointer(a)) + uintptr(DevicePathNodeLength(a))))
-}
-
-func IsDevicePathEndType(a *EFI_DEVICE_PATH_PROTOCOL) bool {
-	return DevicePathType(a) == END_DEVICE_PATH_TYPE
-}
-
-func IsDevicePathEndSubType(a *EFI_DEVICE_PATH_PROTOCOL) bool {
-	return a.SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE
-}
-
-func IsDevicePathEnd(a *EFI_DEVICE_PATH_PROTOCOL) bool {
-	return IsDevicePathEndType(a) && IsDevicePathEndSubType(a)
-}
-
-func IsDevicePathUnpacked(a *EFI_DEVICE_PATH_PROTOCOL) bool {
-	return (a.Type & EFI_DP_TYPE_UNPACKED) != 0
-}
-
-func SetDevicePathNodeLength(a *EFI_DEVICE_PATH_PROTOCOL, l uint16) {
-	a.Length[0] = uint8(l)
-	a.Length[1] = uint8(l >> 8)
-}
-
-func SetDevicePathEndNode(a *EFI_DEVICE_PATH_PROTOCOL) {
-	a.Type = END_DEVICE_PATH_TYPE
-	a.SubType = END_ENTIRE_DEVICE_PATH_SUBTYPE
-	a.Length[0] = uint8(END_DEVICE_PATH_LENGTH)
-	a.Length[1] = 0
-}
-
-//region: Hardware Device Path (UEFI 2.4 specification, version 2.4 § 9.3.2.)
-
-//endregion