add 32-bit assembly

1 files changed, 4 insertions, 9 deletions

diff --git a/src/main.zig b/src/main.zig
index 76bdadf..f3ea424 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -1,9 +1,12 @@
+comptime {
+    asm (@embedFile("boot.s"));
+}
+
 const debug = @import("debugcon.zig");
 
 const ALIGN = 1 << 0;
 const MEMINFO = 1 << 1;
 const MAGIC = 0xE85250D6;
-// const FLAGS = ALIGN | MEMINFO;
 const FLAGS = 0;
 
 const MultibootHeader = extern struct {
@@ -27,14 +30,6 @@ export const multiboot2 align(4) linksection(".multiboot") = MultibootHeader{
     .tag2 = 8,
 };
 
-export fn _start() callconv(.Naked) noreturn {
-    asm volatile (
-        \\ mov _sstack, %rsp
-        \\ mov %rsp, %rbp
-    );
-    asm volatile ("jmp kmain");
-}
-
 var vga = @as([*]volatile u16, @ptrFromInt(0xB8000));
 
 export fn kmain() noreturn {