From 7aaeee46c3bfc0ddaf6845a88a2eef5224f9ceac Mon Sep 17 00:00:00 2001
From: Marin Ivanov <dev@metala.org>
Date: Wed, 1 May 2024 14:20:21 +0300
Subject: linker defined stack

---
 src/main.zig | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

(limited to 'src/main.zig')

diff --git a/src/main.zig b/src/main.zig
index 11ca4bf..adef54c 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -17,19 +17,15 @@ export const multiboot align(4) linksection(".multiboot") = MultibootHeader{
     .checksum = -(MAGIC + FLAGS),
 };
 
-export var stack: [16 * 1024]u8 align(16) linksection(".bss") = undefined;
-
 export fn _start() callconv(.Naked) noreturn {
     asm volatile (
-        \\ mov %[stk], %rsp
+        \\ mov _sstack, %rsp
         \\ mov %rsp, %rbp
-        :
-        : [stk] "{rcx}" (@intFromPtr(&stack) + @sizeOf(@TypeOf(stack))),
     );
     asm volatile ("jmp kmain");
 }
 
-export fn kmain() void {
+export fn kmain() noreturn {
     debug.outb(0xe9, 'H');
     debug.outb(0xe9, 'i');
     debug.outb(0xe9, '!');
-- 
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