diff options
author | Ian Moffett <ian@osmora.org> | 2023-12-19 01:00:18 -0500 |
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committer | Ian Moffett <ian@osmora.org> | 2023-12-19 01:03:46 -0500 |
commit | f67c2579af54201fd3522996f18109fe9ceaa31f (patch) | |
tree | 3dffda9861803cd7c53824457cc3bb3e16decfc5 /sys/arch/amd64/idt.c | |
parent | 979fca86b84c641cc1c763d8881266f6ab4ba700 (diff) |
kernel/amd64: Re-organize AMD64 files
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/arch/amd64/idt.c')
-rw-r--r-- | sys/arch/amd64/idt.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/sys/arch/amd64/idt.c b/sys/arch/amd64/idt.c deleted file mode 100644 index 9f177e0..0000000 --- a/sys/arch/amd64/idt.c +++ /dev/null @@ -1,66 +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 <machine/idt.h> - -static struct idt_entry idt[256]; -static struct idtr idtr = { - .limit = sizeof(struct idt_entry) * 256 - 1, - .offset = (uintptr_t)&idt[0] -}; - -void -idt_load(void) -{ - LIDT(idtr); -} - -void -idt_set_desc(uint8_t vec, uint8_t type, uintptr_t isr, uint8_t ist) -{ - struct idt_entry *desc; - - if (vec >= 255) { - /* Invalid vector */ - return; - } - - desc = &idt[vec]; - desc->off_lo = __SHIFTOUT(isr, __MASK(16)); - desc->off_mid = __SHIFTOUT(isr, __MASK(16) << 16); - desc->off_hi = __SHIFTOUT(isr, __MASK(32) << 32); - desc->segsel = 0x8; /* Kernel CS */ - desc->type = type; - desc->dpl = 3; - desc->p = 1; - desc->zero = 0; - desc->zero1 = 0; - desc->reserved = 0; - desc->ist = ist; -} |