| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* ----------------------------------------------------------------------- |
| * |
| * Copyright 2009 Intel Corporation; author H. Peter Anvin |
| * |
| * ----------------------------------------------------------------------- */ |
| |
| /* |
| * Simple helper function for initializing a register set. |
| * |
| * Note that this sets EFLAGS_CF in the input register set; this |
| * makes it easier to catch functions which do nothing but don't |
| * explicitly set CF. |
| */ |
| |
| #include "boot.h" |
| #include "string.h" |
| |
| void initregs(struct biosregs *reg) |
| { |
| memset(reg, 0, sizeof(*reg)); |
| reg->eflags |= X86_EFLAGS_CF; |
| reg->ds = ds(); |
| reg->es = ds(); |
| reg->fs = fs(); |
| reg->gs = gs(); |
| } |