From 6a6e5f75ff1256909608645a84e3814016ea78d5 Mon Sep 17 00:00:00 2001
From: Yury Popov <github@phoenix.dj>
Date: Sun, 26 May 2019 20:27:20 +0300
Subject: [PATCH] Ensure intr/syscall handlers fits in per-process PT

---
 src/process/process.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/process/process.cpp b/src/process/process.cpp
index da1870f..a1c5fde 100644
--- a/src/process/process.cpp
+++ b/src/process/process.cpp
@@ -277,7 +277,9 @@ void Process::startup() {
   handler &= KB4;
   sc_wrapper &= KB4;
   addPage(handler, reinterpret_cast<void*>(handler), 1);
+  addPage(handler + 0x1000, reinterpret_cast<void*>(handler + 0x1000), 1);
   addPage(sc_wrapper, reinterpret_cast<void*>(sc_wrapper), 1);
+  addPage(sc_wrapper + 0x1000, reinterpret_cast<void*>(sc_wrapper + 0x1000), 1);
   GDT::Entry *gdt_ent = reinterpret_cast<GDT::Entry*>(uintptr_t(gdt.addr) + 8 * 3);
   GDT::Entry *gdt_top = reinterpret_cast<GDT::Entry*>(uintptr_t(gdt.addr) + gdt.limit);