From 4eed9b3128b31a4583a7f94f6574cd87bcf505ff Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Sat, 13 Sep 2025 18:57:35 -0400
Subject: build: 'i386' -> 'amd64'

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 src/sys/arch/amd64/locore.S | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 src/sys/arch/amd64/locore.S

(limited to 'src/sys/arch/amd64/locore.S')

diff --git a/src/sys/arch/amd64/locore.S b/src/sys/arch/amd64/locore.S
new file mode 100644
index 0000000..5f7c3df
--- /dev/null
+++ b/src/sys/arch/amd64/locore.S
@@ -0,0 +1,42 @@
+    .set MAGIC, 0xe85250d6
+    .set ARCH,  0x00            // i386, protected mode
+    .set LEN, hdr_end - hdr_start
+    .set CHECKSUM, 0x100000000 - (0xe85250d6 + 0 + (hdr_end - hdr_start))
+
+    .section .multiboot
+    .align 4
+hdr_start:
+    .long MAGIC
+    .long ARCH
+    .long LEN
+    .long CHECKSUM
+hdr_end:
+
+fbtag_start:
+    .word 5                         // Type
+    .word 1                         // Flags
+    .long fbtag_end - fbtag_start   // Length
+    .long 800                       // Width
+    .long 600                       // Height
+    .long 32                        // Depth
+fbtag_end:
+
+    .align 8
+endtag:
+    .word 0
+    .word 0
+    .word 8
+
+    .text
+    .code32
+    .globl _start
+_start:
+    cli
+    mov stack_bottom, %esp
+    push %ebx
+    push %eax
+    jmp main
+
+    .section .bss
+stack_bottom:
+    .fill 4096 * 16, 0
-- 
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