From d17bc0fc4bb057378fadf3f9feb0de1df60d611a Mon Sep 17 00:00:00 2001
From: Jakob Stendahl <jakobste@uio.no>
Date: Mon, 11 Jan 2021 13:41:18 +0100
Subject: :sparkles: Add working bluetooth receiver

---
 utils/debug/meminfo.js | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100755 utils/debug/meminfo.js

(limited to 'utils/debug/meminfo.js')

diff --git a/utils/debug/meminfo.js b/utils/debug/meminfo.js
new file mode 100755
index 0000000..e25b043
--- /dev/null
+++ b/utils/debug/meminfo.js
@@ -0,0 +1,65 @@
+#!/usr/bin/env node
+"use strict";
+
+function main() {
+    let fs = require("fs");
+    let mfn = process.argv[2]
+    if (!mfn) {
+        console.log("usage: node " + process.argv[1] + " build/mytarget/source/myprog.map")
+        return
+    }
+    console.log("Map file: " + mfn)
+    let map = fs.readFileSync(mfn, "utf8")
+    let inSect = 0
+    let byFileRAM = {}
+    let byFileROM = {}
+    for (let ln of map.split(/\r?\n/)) {
+        if (ln == "Linker script and memory map") {
+            inSect = 1
+        }
+        if (/^OUTPUT\(/.test(ln)) {
+            inSect = 2
+        }
+        if (inSect == 1) {
+            let m = /^\s*(\S*)\s+0x00000([0-9a-f]+)\s+0x([0-9a-f]+)\s+(\S+)/.exec(ln)
+            if (m) {
+                let mark = m[1]
+                if (mark == "*fill*" || mark == ".bss" || mark == ".relocate")
+                    continue;
+                let addr = parseInt(m[2], 16)
+                let sz = parseInt(m[3], 16)
+                let fn = m[4]
+                if (fn == "load" && mark) fn = mark;
+                fn = fn.replace(/.*armv6-m/, "")
+                if (sz) {
+                    let mm = addr < 0x10000000 ? byFileROM : byFileRAM
+                    mm[fn] = (mm[fn] || 0) + sz
+                }
+            }
+        }
+    }
+
+    console.log("*\n* ROM\n*")
+    dumpMap(byFileROM)
+    console.log("*\n* RAM\n*")
+    dumpMap(byFileRAM)
+}
+
+function printEnt(sz, s) {
+    let ff = ("        " + sz).slice(-7)
+    console.log(ff + "  " + s)
+}
+
+function dumpMap(m) {
+    let k = Object.keys(m)
+    k.sort((a, b) => m[a] - m[b])
+    let sum = 0
+    for (let s of k) {
+        printEnt(m[s], s)
+        sum += m[s]
+    }
+    printEnt(sum, "TOTAL")
+}
+
+
+main()
\ No newline at end of file
-- 
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