From ad7525c5540677c95e63249b5e3fb06e95b02070 Mon Sep 17 00:00:00 2001
From: Baptiste Wicht <baptiste.wicht@gmail.com>
Date: Tue, 11 Feb 2014 18:12:39 +0100
Subject: [PATCH] Add some more debug

---
 kernel/src/scheduler.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/kernel/src/scheduler.cpp b/kernel/src/scheduler.cpp
index f46caabd..74169697 100644
--- a/kernel/src/scheduler.cpp
+++ b/kernel/src/scheduler.cpp
@@ -348,6 +348,11 @@ bool allocate_user_memory(scheduler::process_t& process, size_t address, size_t
     auto aligned_physical_memory = paging::page_aligned(physical_memory) ? physical_memory :
             (physical_memory / paging::PAGE_SIZE + 1) * paging::PAGE_SIZE;
 
+    if(DEBUG_SCHEDULER){
+        k_printf("Map(p%u) virtual:%h into phys: %h\n", process.pid, first_page, aligned_physical_memory);
+    }
+
+
     //4. Map physical allocated memory to the necessary virtual memory
     if(!paging::user_map_pages(process, first_page, aligned_physical_memory, pages)){
         if(DEBUG_SCHEDULER){
@@ -376,6 +381,10 @@ bool create_paging(char* buffer, scheduler::process_t& process){
     process.physical_cr3 = physical_allocator::allocate(1);
     process.paging_size = paging::PAGE_SIZE;
 
+    if(DEBUG_SCHEDULER){
+        k_printf("Process %u cr3:%h\n", process.pid, process.physical_cr3);
+    }
+
     clear_physical_memory(process.physical_cr3, 1);
 
     //Map the kernel pages inside the user memory space
@@ -418,6 +427,10 @@ bool create_paging(char* buffer, scheduler::process_t& process){
 
             physical_pointer phys_ptr(segment.physical, pages);
 
+            if(DEBUG_SCHEDULER){
+                k_printf("Copy to physical:%h\n", segment.physical);
+            }
+
             auto memory_start = phys_ptr.get() + left_padding;
 
             //In the case of the BSS segment, the segment must be
@@ -567,8 +580,13 @@ void scheduler::sbrk(size_t inc){
 
     auto virtual_start = process.brk_start;
 
+    if(DEBUG_SCHEDULER){
+        k_printf("Map(p%u) virtual:%h into phys: %h\n", process.pid, virtual_start, physical);
+    }
+
     //Map the memory inside the process memory space
     if(!paging::user_map_pages(process, virtual_start, physical, pages)){
+        k_print_line("impossible");
         physical_allocator::free(physical, pages);
         return;
     }