From 2d14fb7df369e8acb59c443bf50190ae76244f5a Mon Sep 17 00:00:00 2001
From: Waldemar Kozaczuk <jwkozaczuk@gmail.com>
Date: Sun, 17 Mar 2024 19:17:07 -0400
Subject: [PATCH] memory: expose C functions to allocate and free contiguous
 area

Signed-off-by: Waldemar Kozaczuk <jwkozaczuk@gmail.com>
---
 core/mempool.cc | 10 ++++++++++
 core/mmu.cc     |  5 +++++
 2 files changed, 15 insertions(+)

diff --git a/core/mempool.cc b/core/mempool.cc
index 52173873a7..b5c202865b 100644
--- a/core/mempool.cc
+++ b/core/mempool.cc
@@ -2181,3 +2181,13 @@ bool throttling_needed()
 
 jvm_balloon_api *balloon_api = nullptr;
 }
+
+extern "C" void* alloc_contiguous_aligned(size_t size, size_t align)
+{
+    return memory::alloc_phys_contiguous_aligned(size, align, true);
+}
+
+extern "C" void free_contiguous_aligned(void* p)
+{
+    memory::free_phys_contiguous_aligned(p);
+}
diff --git a/core/mmu.cc b/core/mmu.cc
index 7d34231cb4..e579103b3c 100644
--- a/core/mmu.cc
+++ b/core/mmu.cc
@@ -2116,3 +2116,8 @@ std::string procfs_maps()
 }
 
 }
+
+extern "C" bool is_linear_mapped(const void *addr)
+{
+    return addr >= mmu::phys_mem;
+}