Fixed some bugs

8 files changed, 45 insertions, 17 deletions

diff --git a/Media/Screenshots/2009-09-11-162624_728x426_scrot.png b/Media/Screenshots/2009-09-11-162624_728x426_scrot.png
new file mode 100644
index 0000000..19d6ec8
--- /dev/null
+++ b/Media/Screenshots/2009-09-11-162624_728x426_scrot.png
diff --git a/Source/Kernel/Core/Sys.ns.cpp b/Source/Kernel/Core/Sys.ns.cpp
index faec43a..ab57589 100644
--- a/Source/Kernel/Core/Sys.ns.cpp
+++ b/Source/Kernel/Core/Sys.ns.cpp
@@ -1,6 +1,7 @@
 //This automatically includes Sys.ns.h
 #include <Core/common.wtf.h>
 #include <VTManager/VirtualTerminal.class.h>
+#include <SyscallManager/IDT.ns.h>
 
 #define DEBUGVT(x) VirtualTerminal *x = new VirtualTerminal(4, 56, 0, 15); x->map(); x->put('\n');
 
@@ -77,6 +78,30 @@ void panic(char *message, char *file, u32int line) {
 	while (1) asm volatile("hlt"); //Enter infinite loop for halt
 }
 
+void panic(char *message, registers_t *regs, char *file, u32int line) {
+	asm volatile("cli");
+
+	VirtualTerminal vt(20, 70, 7, 1);
+	vt.map();
+
+	vt << "PANIC : " << message << "\n => in " << file << " at " << (s32int)line << "\n\n";
+	vt << "ds=" << (u32int)regs->ds << ", eip=" << (u32int)regs->eip << ", cs=" << (u32int)regs->cs << "\n";
+	vt << "edi=" << (u32int)regs->edi << ", esi=" << (u32int)regs->esi << ", ebp=" << (u32int)regs->ebp <<
+		", esp=" << (u32int)regs->esp << "\n";
+	vt << "eax=" << (u32int)regs->eax << ", ebx=" << (u32int)regs->ebx << ", ecx=" << (u32int)regs->ecx <<
+		", edx=" << (u32int)regs->edx << "\n";
+	vt << "int_no=" << (s32int)regs->int_no << ", err_code=" << (u32int)regs->err_code << "\n";
+	vt << "eflags=" << (u32int)regs->eflags << ", useresp=" << (u32int)regs->useresp << ", ss=" << (u32int)regs->ss << "\n\n";
+
+	u32int *v = (u32int*)regs->ebp;
+	for (int i = 0; i < 10; i++) {
+		vt << "ebp=" << (u32int)v << ", value=" << (u32int)(v[1]) << "\n";
+		v = (u32int*)(*v);
+	}
+
+	while (1) asm volatile("hlt");
+}
+
 //Used by ASSERT() macro (see common.wtf.h)
 void panic_assert(char *file, u32int line, char *desc) {
 	asm volatile("cli");
diff --git a/Source/Kernel/Core/Sys.ns.h b/Source/Kernel/Core/Sys.ns.h
index 825b68c..a205892 100644
--- a/Source/Kernel/Core/Sys.ns.h
+++ b/Source/Kernel/Core/Sys.ns.h
@@ -4,14 +4,28 @@
 #ifndef DEF_SYS_NS_H
 #define DEF_SYS_NS_H
 
+#define PANIC(msg) Sys::panic(msg, __FILE__, __LINE__)
+#define PANIC_DUMP(msg, regs) Sys::panic(msg, regs, __FILE__, __LINE__)
+#define ASSERT(b) ((b) ? (void)0 : Sys::panic_assert(__FILE__, __LINE__, #b))
+
+#ifdef OPT_DEBUG
+#define DEBUG(m) Sys::bochs_output(m, __FILE__, __LINE__)
+#define DEBUG_HEX(m) Sys::bochs_output_hex(m);
+#else
+#define DEBUG(m)
+#define DEBUG_HEX(m)
+#endif
+
 //This file contains system-relative functions
 class String;
+struct registers_t;
 
 namespace Sys {
 	void outb(u16int port, u8int value);
 	u8int inb(u16int port);
 	u16int inw(u16int port);
 	void panic(char* message, char *file, u32int line);
+	void panic(char* message, registers_t *regs, char *file, u32int line);
 	void panic_assert(char* file, u32int line, char *desc);
 	void bochs_output(char* message, char *file, u32int line);
 	void bochs_output(String message, char *file, u32int line);
diff --git a/Source/Kernel/Core/common.wtf.h b/Source/Kernel/Core/common.wtf.h
index ac541d6..5fb67b4 100644
--- a/Source/Kernel/Core/common.wtf.h
+++ b/Source/Kernel/Core/common.wtf.h
@@ -12,17 +12,6 @@
 #include <Core/CMem.ns.h>
 #include <Core/Sys.ns.h>
 
-#define PANIC(msg) Sys::panic(msg, __FILE__, __LINE__)
-#define ASSERT(b) ((b) ? (void)0 : Sys::panic_assert(__FILE__, __LINE__, #b))
-
-#ifdef OPT_DEBUG
-#define DEBUG(m) Sys::bochs_output(m, __FILE__, __LINE__)
-#define DEBUG_HEX(m) Sys::bochs_output_hex(m);
-#else
-#define DEBUG(m)
-#define DEBUG_HEX(m)
-#endif
-
 #include <MemoryManager/Mem.ns.h>
 
 //Standard implemenations of operator new/delete
diff --git a/Source/Kernel/Core/kmain.wtf.cpp b/Source/Kernel/Core/kmain.wtf.cpp
index 8188e91..a7bb6e0 100644
--- a/Source/Kernel/Core/kmain.wtf.cpp
+++ b/Source/Kernel/Core/kmain.wtf.cpp
@@ -80,16 +80,16 @@ void kmain(multiboot_info_t* mbd, u32int magic) {
 	u32int totalRam = ((mbd->mem_upper + 1024) * 1024);
 	PhysMem::initPaging(totalRam); OK(kvt);
 
-	INFO(kvt); *kvt << "Total ram : " << (s32int)(totalRam / 1024) << "k.\n";
-	PROCESSING(kvt, "Initializing GDT and cleaning page directory...");
+	INFO(kvt); *kvt << "Total ram : " << (s32int)(totalRam / 1024) << "k (" << (s32int)(totalRam / (1024 * 1024)) << "M).\n";
+	PROCESSING(kvt, "Initializing real GDT and cleaning page directory...");
 	GDT::init();
 	PhysMem::removeTemporaryPages(); OK(kvt);
 
-	PROCESSING(kvt, "Creating heap...");
+	PROCESSING(kvt, "Creating kernel heap...");
 	Mem::createHeap(); OK(kvt);
 	INFO(kvt); *kvt << "Free frames : " << (s32int)PhysMem::free() << "/" << (s32int)PhysMem::total() << "\n";
 	
-	PROCESSING(kvt, "Registering vgaout...");
+	PROCESSING(kvt, "Registering textual VGA output...");
 	Dev::registerDevice(vgaout); OK(kvt);
 
 	PROCESSING(kvt,"Initializing PIT...");
diff --git a/Source/Kernel/Melon.ke b/Source/Kernel/Melon.ke
index 996e1b4..552d00c 100755
--- a/Source/Kernel/Melon.ke
+++ b/Source/Kernel/Melon.ke
diff --git a/Source/Kernel/MemoryManager/Mem.ns.cpp b/Source/Kernel/MemoryManager/Mem.ns.cpp
index 5d30f5f..fa407d6 100644
--- a/Source/Kernel/MemoryManager/Mem.ns.cpp
+++ b/Source/Kernel/MemoryManager/Mem.ns.cpp
@@ -78,7 +78,7 @@ void removeFromHeapIndex(heap_header_t *e) {
 //***************************************************************************
 void createHeap() {
 	u32int heapIndexSize = PhysMem::total() * 64 + 0x10000;
-	heapStart = placementAddress + 0x10000; //Set initial heap start
+	heapStart = (placementAddress & 0xFFFFF000) + 0x10000; //Set initial heap start
 	heapEnd = heapStart + HEAP_MIN_SIZE + heapIndexSize;							//Set heap end
 
 	//Alocate frames for the heap
diff --git a/Source/Kernel/SyscallManager/IDT.ns.cpp b/Source/Kernel/SyscallManager/IDT.ns.cpp
index f31c789..a27dfa9 100644
--- a/Source/Kernel/SyscallManager/IDT.ns.cpp
+++ b/Source/Kernel/SyscallManager/IDT.ns.cpp
@@ -64,7 +64,7 @@ extern "C" void interrupt_handler(registers_t regs) {
 	bool doSwitch = (regs.int_no == 32 or regs.int_no >= 65);	//SYSCALLS >= 65 are task-managing-related
 	if (regs.int_no < 32) {
 		if ((u32int)Task::currentThread == 0xFFFFFFFF or Task::currentThread == 0)
-			PANIC("Exception cannot be handled.");
+			PANIC_DUMP("Exception cannot be handled.", &regs);
 		Task::currentThread->handleException(regs, regs.int_no);
 	} else if (regs.int_no < 48) {
 		if (regs.int_no >= 40)