From f67c2579af54201fd3522996f18109fe9ceaa31f Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Tue, 19 Dec 2023 01:00:18 -0500 Subject: kernel/amd64: Re-organize AMD64 files Signed-off-by: Ian Moffett --- sys/arch/amd64/pmap.c | 50 -------------------------------------------------- 1 file changed, 50 deletions(-) delete mode 100644 sys/arch/amd64/pmap.c (limited to 'sys/arch/amd64/pmap.c') diff --git a/sys/arch/amd64/pmap.c b/sys/arch/amd64/pmap.c deleted file mode 100644 index 2e3e744..0000000 --- a/sys/arch/amd64/pmap.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright (c) 2023 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include -#include - -#define PTE_ADDR_MASK 0x000FFFFFFFFFF000 - -struct vas -pmap_read_vas(void) -{ - struct vas vas; - uintptr_t cr3_raw; - - __ASMV("mov %%cr3, %0" - : "=r" (cr3_raw) - ); - - vas.cr3_flags = cr3_raw & ~PTE_ADDR_MASK; - vas.top_level = cr3_raw & PTE_ADDR_MASK; - vas.use_l5_paging = false; /* TODO: Check for support */ - vas.lock.lock = 0; - return vas; -} -- cgit v1.2.3