From 9655593d80e23d2ea3c091e3187e8e47b278bc3d Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 10 Apr 2021 00:26:39 +0200
Subject: Gave procs own kernel stack (TSS)

---
 kernel/features/proc.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'kernel/features/proc.c')

diff --git a/kernel/features/proc.c b/kernel/features/proc.c
index 479427c..d5bf2e6 100644
--- a/kernel/features/proc.c
+++ b/kernel/features/proc.c
@@ -54,6 +54,7 @@ HOT FLATTEN void scheduler(struct regs *regs)
 		current = idle_proc;
 	}
 
+	tss_set_stack(0x10, PROC(current)->kernel_stack);
 	memory_switch_dir(PROC(current)->page_dir);
 	memcpy(regs, &PROC(current)->regs, sizeof(*regs));
 
@@ -581,6 +582,7 @@ NORETURN void proc_init(void)
 	// We'll shortly jump to usermode. Clear and protect every secret!
 	memory_user_hook();
 
+	tss_set_stack(0x10, init->kernel_stack);
 	memory_switch_dir(init->page_dir);
 	printf("Jumping to userspace!\n");
 
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