header foo

kernel/main.cc

@@ -34,7 +34,7 @@ OutputStream* copyout = &copystream;
 #include "./interrupt/guard.h"
 #include "./boot/multiboot/data.h"
 #include "./sync/semaphore.h"
-
+#include "./memory/pageframealloc.h"
 //Semaphore koutsem(1);
 //TextStream kout(0, 80, 1, 17, true);
 
@@ -52,10 +52,10 @@ alignas(4096) four_lvl_paging_t paging_tree;
 // Main function
 extern "C" int main() {
     PageFrameAllocator::stats();
-
     Multiboot::Module* initrd = Multiboot::getModule(0);
     DBG << "initrd address: " << hex << initrd->getStartAddress() << endl << "initrd size: " << initrd->getSize() << endl;
     memcpy((void *)0x4000000, initrd->getStartAddress(), initrd->getSize());
+    mark_pageframes(0x400000, 0x4000000 + initrd->getSize(), false);
 
     memset(&paging_tree, 0, sizeof(four_lvl_paging_t));
     create_basic_page_table(&paging_tree);

kernel/memory/pageframealloc.h

@@ -16,4 +16,8 @@ namespace PageFrameAllocator {
     void free (PageFrame *frame);
     void free (uintptr_t addr);
 }
+
+
+void mark_pageframes(uintptr_t start, uintptr_t end, bool available);
+
 #endif

libsys/build/libc.d

@@ -0,0 +1 @@
+build/libc.o: libc.cc libc.h types.h

libsys/build/outputstream.d

@@ -0,0 +1,2 @@
+build/outputstream.o: outputstream.cc outputstream.h stringbuffer.h \
+ types.h

libsys/build/string.d

@@ -0,0 +1 @@
+build/string.o: string.cc string.h types.h

libsys/build/stringbuffer.d

@@ -0,0 +1 @@
+build/stringbuffer.o: stringbuffer.cc stringbuffer.h types.h

libsys/build/stub.asm.d

@@ -0,0 +1,2 @@
+build/stub.asm.o : stub.asm
+

user/app1/build/appl.d

@@ -0,0 +1,2 @@
+build/appl.o: appl.cc ../../libsys/../libsys/stub.h \
+ ../../libsys/../libsys/types.h

user/app2/build/kappl.d

@@ -0,0 +1,2 @@
+build/kappl.o: kappl.cc ../../libsys/../libsys/stub.h \
+ ../../libsys/../libsys/types.h ../../libsys/../libsys/string.h