kern/amd64: mp: Add multiprocessing groundwork

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/sys/arch/amd64/boot/apboot.asm b/sys/arch/amd64/boot/apboot.asm
new file mode 100644
index 0000000..b9c3ad7
--- /dev/null
+++ b/sys/arch/amd64/boot/apboot.asm
@@ -0,0 +1,38 @@
+;;
+;; Copyright (c) 2025 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 PURPKERNE
+;; 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; LKERNS 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
+;; PKERNSIBILITY OF SUCH DAMAGE.
+;;
+
+[bits 16]
+[org 0x1000]
+
+_start:
+    cli
+    hlt
+    jmp _start
+
+times 4096 - ($ - $$) db 0