From 31680bf5b987fe9f5c6de2ca6d76a4ac00b96c76 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Thu, 25 Aug 2022 08:46:26 -0600
Subject: [PATCH] Do not set tpidr_el0 from kernel
---
src/context/arch/aarch64.rs | 4 ----
src/context/switch.rs | 5 -----
2 files changed, 9 deletions(-)
diff --git a/src/context/arch/aarch64.rs b/src/context/arch/aarch64.rs
index 5a527885..8ccf9e33 100644
--- a/src/context/arch/aarch64.rs
+++ b/src/context/arch/aarch64.rs
@@ -103,10 +103,6 @@ impl Context {
self.lr = address;
}
- pub fn set_tcb(&mut self, pid: usize) {
- self.tpidr_el0 = (crate::USER_TCB_OFFSET + pid * crate::PAGE_SIZE);
- }
-
pub fn set_fp(&mut self, address: usize) {
self.fp = address;
}
diff --git a/src/context/switch.rs b/src/context/switch.rs
index afb489ad..62e4f25d 100644
--- a/src/context/switch.rs
+++ b/src/context/switch.rs
@@ -170,11 +170,6 @@ pub unsafe fn switch() -> bool {
gdt::set_tss_stack(stack.as_ptr() as usize + stack.len());
}
}
- #[cfg(target_arch = "aarch64")]
- {
- let pid = to_context.id.into();
- to_context.arch.set_tcb(pid);
- }
CONTEXT_ID.store(to_context.id, Ordering::SeqCst);
if let Some(sig) = to_sig {
--
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