From cadb99c765fe3c88e86bb67bc6340f632fece72a Mon Sep 17 00:00:00 2001
From: =?utf8?q?=EC=9D=B4=ED=98=95=EC=A3=BC/MDE=20Lab=28SR=29/=EC=82=BC?=
 =?utf8?q?=EC=84=B1=EC=A0=84=EC=9E=90?= <leee.lee@samsung.com>
Date: Thu, 16 Jan 2025 16:59:56 +0900
Subject: [PATCH] Set DOTNET_GCHeapHardLimit on riscv64 (#596)
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* Set DOTNET_GCHeapHardLimit on riscv64

Fixes: https://github.sec.samsung.net/dotnet/runtime/issues/655

* Update NativeLauncher/launcher/lib/core_runtime.cc

Co-authored-by: 최종헌/MDE Lab(SR)/삼성전자 <j-h.choi@samsung.com>

---------

Co-authored-by: 최종헌/MDE Lab(SR)/삼성전자 <j-h.choi@samsung.com>
---
 NativeLauncher/launcher/lib/core_runtime.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/NativeLauncher/launcher/lib/core_runtime.cc b/NativeLauncher/launcher/lib/core_runtime.cc
index 3c2cb50..b7c2801 100644
--- a/NativeLauncher/launcher/lib/core_runtime.cc
+++ b/NativeLauncher/launcher/lib/core_runtime.cc
@@ -344,7 +344,10 @@ int CoreRuntime::initialize(const char* appType, LaunchMode launchMode)
 	// UNW_ARM_METHOD_EXIDX		0x04
 	putenv(const_cast<char *>("UNW_ARM_UNWIND_METHOD=6"));
 #endif // __arm__
-
+#ifdef __riscv
+	// Set heap hard limit to 16G on riscv
+	putenv(const_cast<char *>("DOTNET_GCHeapHardLimit=400000000"));
+#endif // __riscv
 	// Enable diagnostics.
 	// clr create clr-debug-pipe-xxx and dotnet-diagnostics-xxx file under /tmp dir.
 	putenv(const_cast<char *>("COMPlus_EnableDiagnostics=1"));
-- 
2.34.1