From 01adb24aa10015c942b7ecdc5cdbaee7d5fe9615 Mon Sep 17 00:00:00 2001
From: Baptiste Wicht <baptiste.wicht@gmail.com>
Date: Sun, 7 Aug 2016 11:35:55 +0200
Subject: [PATCH] Fix sbrk

---
 kernel/src/scheduler.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/src/scheduler.cpp b/kernel/src/scheduler.cpp
index 1e2520aa..487b49f7 100644
--- a/kernel/src/scheduler.cpp
+++ b/kernel/src/scheduler.cpp
@@ -662,13 +662,14 @@ int64_t scheduler::exec(const std::string& file, const std::vector<std::string>&
     return process.pid;
 }
 
-//TODO This will not work several times (brk_start/brk_end)
 void scheduler::sbrk(size_t inc){
     auto& process = pcb[current_pid].process;
 
     size_t size = (inc + paging::PAGE_SIZE - 1) & ~(paging::PAGE_SIZE - 1);
     size_t pages = size / paging::PAGE_SIZE;
 
+    logging::logf(logging::log_level::DEBUG, "sbrk: Add %u pages to process %u heap\n", pages, process.pid);
+
     //Get some physical memory
     auto physical = physical_allocator::allocate(pages);
 
@@ -676,7 +677,7 @@ void scheduler::sbrk(size_t inc){
         return;
     }
 
-    auto virtual_start = process.brk_start;
+    auto virtual_start = process.brk_end;
 
     logging::logf(logging::log_level::DEBUG, "Map(p%u) virtual:%h into phys: %h\n", process.pid, virtual_start, physical);