From 1e10cac3e1d951258920a6d7aed36343fe162e64 Mon Sep 17 00:00:00 2001
From: Robin Randhawa <robin.randhawa@arm.com>
Date: Thu, 28 Jan 2021 16:51:50 +0000
Subject: [PATCH] aarch64: Increase storage for FP context to consider
AArch64's needs
Brute-forcing this at present. Would be better to wrap this
conditionally for the architecture.
---
src/context/list.rs | 2 +-
src/context/mod.rs | 2 +-
src/syscall/process.rs | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/context/list.rs b/src/context/list.rs
index 47c6c9fe..704642e9 100644
--- a/src/context/list.rs
+++ b/src/context/list.rs
@@ -75,7 +75,7 @@ impl ContextList {
let context_lock = self.new_context()?;
{
let mut context = context_lock.write();
- let mut fx = unsafe { Box::from_raw(crate::ALLOCATOR.alloc(Layout::from_size_align_unchecked(512, 16)) as *mut [u8; 512]) };
+ let mut fx = unsafe { Box::from_raw(crate::ALLOCATOR.alloc(Layout::from_size_align_unchecked(1024, 16)) as *mut [u8; 1024]) };
for b in fx.iter_mut() {
*b = 0;
}
diff --git a/src/context/mod.rs b/src/context/mod.rs
index 6c293285..a19c428b 100644
--- a/src/context/mod.rs
+++ b/src/context/mod.rs
@@ -55,7 +55,7 @@ pub fn init() {
let mut contexts = contexts_mut();
let context_lock = contexts.new_context().expect("could not initialize first context");
let mut context = context_lock.write();
- let mut fx = unsafe { Box::from_raw(crate::ALLOCATOR.alloc(Layout::from_size_align_unchecked(512, 16)) as *mut [u8; 512]) };
+ let mut fx = unsafe { Box::from_raw(crate::ALLOCATOR.alloc(Layout::from_size_align_unchecked(1024, 16)) as *mut [u8; 1024]) };
for b in fx.iter_mut() {
*b = 0;
}
diff --git a/src/syscall/process.rs b/src/syscall/process.rs
index df1b24de..9adad283 100644
--- a/src/syscall/process.rs
+++ b/src/syscall/process.rs
@@ -87,7 +87,7 @@ pub fn clone(flags: CloneFlags, stack_base: usize) -> Result<ContextId> {
arch = context.arch.clone();
if let Some(ref fx) = context.kfx {
- let mut new_fx = unsafe { Box::from_raw(crate::ALLOCATOR.alloc(Layout::from_size_align_unchecked(512, 16)) as *mut [u8; 512]) };
+ let mut new_fx = unsafe { Box::from_raw(crate::ALLOCATOR.alloc(Layout::from_size_align_unchecked(1024, 16)) as *mut [u8; 1024]) };
for (new_b, b) in new_fx.iter_mut().zip(fx.iter()) {
*new_b = *b;
}
--
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