From 31fbb06dc36583823bb07b9a46519e8e65968063 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Fri, 28 Jun 2024 21:58:49 -0400
Subject: kernel/amd64: Convert kernel stack base to vaddr

This fixes an issue where the TSS kernel stack base is a physical
address instead of being a virtual address like it's supposed to.

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/arch/amd64/amd64/tss.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'sys')

diff --git a/sys/arch/amd64/amd64/tss.c b/sys/arch/amd64/amd64/tss.c
index 5aab74a..f2c9be4 100644
--- a/sys/arch/amd64/amd64/tss.c
+++ b/sys/arch/amd64/amd64/tss.c
@@ -33,6 +33,7 @@
 #include <sys/panic.h>
 #include <vm/dynalloc.h>
 #include <vm/physmem.h>
+#include <vm/vm.h>
 #include <machine/tss.h>
 #include <machine/cpu.h>
 #include <assert.h>
@@ -60,7 +61,7 @@ alloc_resources(struct cpu_info *ci)
         }
 
         memset(tss, 0, sizeof(*tss));
-        rsp0_base = vm_alloc_frame(1);
+        rsp0_base = vm_alloc_frame(1) + VM_HIGHER_HALF;
 
         if (rsp0_base == 0) {
             panic("Could not allocate RSP0 base\n");
-- 
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