From 77cdceabaabff80c2f96c8dc3a259ddb29de9bb8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Josef=20S=C3=B6ntgen?= <josef.soentgen@genode-labs.com>
Date: Fri, 18 Mar 2022 17:00:29 +0100
Subject: [PATCH] lx_emul: add additional atomic64 functions

Needed by the WLAN driver on x86_32.

Issue #4455.
---
 .../src/lib/lx_emul/spec/x86_32/atomic64_32.c        | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/repos/dde_linux/src/lib/lx_emul/spec/x86_32/atomic64_32.c b/repos/dde_linux/src/lib/lx_emul/spec/x86_32/atomic64_32.c
index 923533ba27..79181d2ebe 100644
--- a/repos/dde_linux/src/lib/lx_emul/spec/x86_32/atomic64_32.c
+++ b/repos/dde_linux/src/lib/lx_emul/spec/x86_32/atomic64_32.c
@@ -30,3 +30,15 @@ s64 arch_atomic64_fetch_add(s64 i, atomic64_t *v)
 	v->counter += i;
 	return v->counter;
 }
+
+
+s64 arch_atomic64_dec_return(atomic64_t *v)
+{
+	return arch_atomic64_sub(1, v);
+}
+
+
+s64 arch_atomic64_inc_return(atomic64_t *v)
+{
+	return arch_atomic64_add(1, v);
+}