From c05b9735052cdd5237ef6b05b49ed1bab90ffcb5 Mon Sep 17 00:00:00 2001
From: minjaesong <alswo9628@gmail.com>
Date: Fri, 6 May 2022 17:38:20 +0900
Subject: [PATCH] command to see memory allocation status

---
 assets/disk0/malloc.js                             | 2 ++
 tsvm_core/src/net/torvald/tsvm/VMJSR223Delegate.kt | 4 ++++
 2 files changed, 6 insertions(+)
 create mode 100644 assets/disk0/malloc.js

diff --git a/assets/disk0/malloc.js b/assets/disk0/malloc.js
new file mode 100644
index 0000000..8043a5d
--- /dev/null
+++ b/assets/disk0/malloc.js
@@ -0,0 +1,2 @@
+let [blockSize, blockCount] = sys.getMallocStatus()
+println(`${blockSize * blockCount} bytes allocated (${blockCount} blocks with ${blockSize} bytes per block)`)
\ No newline at end of file
diff --git a/tsvm_core/src/net/torvald/tsvm/VMJSR223Delegate.kt b/tsvm_core/src/net/torvald/tsvm/VMJSR223Delegate.kt
index 6c91ba6..d9105f9 100644
--- a/tsvm_core/src/net/torvald/tsvm/VMJSR223Delegate.kt
+++ b/tsvm_core/src/net/torvald/tsvm/VMJSR223Delegate.kt
@@ -169,6 +169,10 @@ class VMJSR223Delegate(val vm: VM) {
     fun unsetSysrq() {
         vm.sysrqDown = false
     }
+
+    fun getMallocStatus(): IntArray {
+        return intArrayOf(vm.MALLOC_UNIT, vm.allocatedBlockCount)
+    }
 }
 
 class VMSerialDebugger(val vm: VM) {