diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | Makefile | 11 | ||||
| -rw-r--r-- | Source/Kernel/Makefile | 2 | ||||
| -rwxr-xr-x | Source/Kernel/Melon.ke | bin | 610322 -> 0 bytes | |||
| -rw-r--r-- | Source/Kernel/TaskManager/Process.class.cpp | 23 | ||||
| -rw-r--r-- | Source/Kernel/TaskManager/Process.class.h | 14 | ||||
| -rw-r--r-- | Source/Kernel/TaskManager/Task.ns.cpp | 2 | ||||
| -rw-r--r-- | Source/Kernel/TaskManager/Thread.class.cpp | 4 |
8 files changed, 33 insertions, 24 deletions
@@ -1,3 +1,4 @@ *.swp *.o Source/Kernel/Map.txt +Source/Kernel/Melon.ke @@ -1,10 +1,8 @@ .PHONY: clean, mrproper, Init.rfs -Files = Source/Kernel/Melon.ke Init.rfs -Floppy = Melon.img - Projects = Kernel Tools/MakeRamFS +Kernel = Source/Kernel/Melon.ke RamFS = Init.rfs RamFSFiles = :/System :/System/Applications :/System/Configuration :/System/Keymaps \ Source/Kernel/Ressources/Keymaps/fr.mkm:/System/Keymaps/fr.mkm \ @@ -13,11 +11,16 @@ RamFSFiles = :/System :/System/Applications :/System/Configuration :/System/Keym Source/Kernel/Ressources/Texts/Info.txt:/Useless/Info.txt \ Source/Kernel/Ressources/Graphics/logo.text.cxd:/Useless/Melon-logo +Files = $(Kernel) $(RamFS) +Floppy = Melon.img + all: for p in $(Projects); do \ make -C Source/$$p -s; \ done +$(Files): all + rebuild: for p in $(Projects); do \ make -C Source/$$p rebuild -s; \ @@ -36,7 +39,7 @@ mproper: $(RamFS): Source/Tools/MakeRamFS/MakeRamFS $(RamFS) $(RamFSFiles) -floppy: $(RamFS) +floppy: $(Files) sudo mount $(Floppy) Mount -o loop for f in $(Files); do \ sudo cp $$f Mount; \ diff --git a/Source/Kernel/Makefile b/Source/Kernel/Makefile index b28f487..56754d0 100644 --- a/Source/Kernel/Makefile +++ b/Source/Kernel/Makefile @@ -5,7 +5,7 @@ CXX = g++ LD = ld LDFLAGS = -T Link.ld -Map Map.txt --oformat=elf32-i386 CFLAGS = -nostdlib -nostartfiles -nodefaultlibs -fno-builtin -fno-stack-protector -Wall -Wextra -Werror -I . -CXXFLAGS = -nostartfiles -nostdlib -fno-exceptions -fno-rtti -I . -Wall -Werror -Wno-write-strings -funsigned-char -D THIS_IS_MELON -D RANDOM_SEED=`date +%N`LL -g +CXXFLAGS = -nostartfiles -nostdlib -fno-exceptions -fno-rtti -I . -Wall -Werror -Wno-write-strings -funsigned-char -D THIS_IS_MELON -D RANDOM_SEED=1`date +%N`LL ASM = nasm ASMFLAGS = -f elf diff --git a/Source/Kernel/Melon.ke b/Source/Kernel/Melon.ke Binary files differdeleted file mode 100755 index 3eb5982..0000000 --- a/Source/Kernel/Melon.ke +++ /dev/null diff --git a/Source/Kernel/TaskManager/Process.class.cpp b/Source/Kernel/TaskManager/Process.class.cpp index 2706986..d7fba80 100644 --- a/Source/Kernel/TaskManager/Process.class.cpp +++ b/Source/Kernel/TaskManager/Process.class.cpp @@ -3,6 +3,10 @@ #include <MemoryManager/PhysMem.ns.h> #include <VFS/File.class.h> +namespace Mem { + extern Heap kheap; +} + Process::Process() { //Private constructor, does nothing } @@ -14,7 +18,7 @@ Process* Process::createKernel(String cmdline, VirtualTerminal *vt) { p->m_state = P_RUNNING; p->m_pagedir = kernelPageDirectory; p->m_uid = 0; - p->m_stacksstart = 0; + p->m_userHeap = &Mem::kheap; p->m_vt = vt; Thread* t = new Thread(); @@ -35,24 +39,19 @@ Process::Process(String cmdline, u32int uid) { m_cmdline = cmdline; m_retval = 0; m_state = P_RUNNING; - m_pagedir = new PageDirectory(kernelPageDirectory); m_uid = uid; m_vt = Task::currProcess()->getVirtualTerminal(); - m_stacksstart = 0xC0000000; + //Create page directory and user heap + m_pagedir = new PageDirectory(kernelPageDirectory); + m_userHeap = new Heap(); + u32int heapIdxSize = PhysMem::total() * 16 + 0x10000; + m_userHeap->create(USERHEAPSTART, USERHEAPINITSIZE + heapIdxSize, heapIdxSize, m_pagedir, true, true); } Process::~Process() { exit(); //Kill all threads delete m_pagedir; -} - -u32int Process::stackAlloc() { - if (m_stacksstart < STACKSIZE) return 0; - for (u32int i = m_stacksstart - STACKSIZE; i < m_stacksstart; i += 0x1000) { - m_pagedir->allocFrame(i & 0xFFFFF000, true, true); - } - m_stacksstart -= STACKSIZE; - return m_stacksstart; + delete m_userHeap; } void Process::exit() { diff --git a/Source/Kernel/TaskManager/Process.class.h b/Source/Kernel/TaskManager/Process.class.h index b975db1..ac9614e 100644 --- a/Source/Kernel/TaskManager/Process.class.h +++ b/Source/Kernel/TaskManager/Process.class.h @@ -5,6 +5,7 @@ #include <Library/Vector.class.h> #include <Library/SimpleList.class.h> #include <MemoryManager/PageDirectory.class.h> +#include <MemoryManager/Heap.class.h> #include <VTManager/VirtualTerminal.proto.h> #define P_ZOMBIE 0 @@ -15,7 +16,10 @@ #define E_ABORTED 0x0FFFFF01 #define E_UNHANDLED_EXCEPTION 0x0FFFFF02 -#define STACKSIZE 4096 //Can change +#define STACKSIZE 4096 //Could change + +#define USERHEAPINITSIZE 0x00010000 //Heap initially is 64k, but can grow +#define USERHEAPSTART 0xB7000000 //Heap is at 0xB7000000, 128Mo before kernel space. class Thread; class File; @@ -32,9 +36,10 @@ class Process { u8int m_state; //Is one of P_* defined above PageDirectory* m_pagedir; u32int m_uid; //User ID - u32int m_stacksstart; VirtualTerminal *m_vt; + Heap *m_userHeap; + Vector<Thread*> m_threads; SimpleList<File*> *m_fileDescriptors; @@ -43,8 +48,9 @@ class Process { Process(String cmdline, u32int uid); ~Process(); - u32int stackAlloc(); //Allocates pages for STACKSIZE bytes at end of app memory (just before 0xC0000000) - void exit(); //Exits properly process by killing all threads + Heap& heap() { return *m_userHeap; } + + void exit(); //Exits properly process by killing all threads and deleting file descriptors void registerThread(Thread* t); //Called when a thread starts void threadFinishes(Thread* thread, u32int retval); //Called when a thread finishes diff --git a/Source/Kernel/TaskManager/Task.ns.cpp b/Source/Kernel/TaskManager/Task.ns.cpp index 66eca94..a34f14f 100644 --- a/Source/Kernel/TaskManager/Task.ns.cpp +++ b/Source/Kernel/TaskManager/Task.ns.cpp @@ -3,7 +3,7 @@ #include <MemoryManager/PhysMem.ns.h> #define INVALID_TASK_MAGIC 0xBEEFFEED -#define TEMP_STACK_SIZE 128 //This must be big enough so that we can call all we need to call when a task finishes +#define TEMP_STACK_SIZE 256 //This must be big enough so that we can call all we need to call when a task finishes //From Task.wtf.asm extern "C" u32int read_eip(); diff --git a/Source/Kernel/TaskManager/Thread.class.cpp b/Source/Kernel/TaskManager/Thread.class.cpp index fe1d08e..20d6cd4 100644 --- a/Source/Kernel/TaskManager/Thread.class.cpp +++ b/Source/Kernel/TaskManager/Thread.class.cpp @@ -22,14 +22,14 @@ Thread::Thread(thread_entry_t entry_point, void* data, bool iskernel) { } else { m_isKernel = false; m_process = Task::currProcess(); - setup(entry_point, data, m_process->stackAlloc() + STACKSIZE); + setup(entry_point, data, (u32int)(m_process->heap().alloc(STACKSIZE)) + STACKSIZE); } } Thread::Thread(Process* process, thread_entry_t entry_point, void* data) { m_isKernel = false; m_process = process; - setup(entry_point, data, m_process->stackAlloc() + STACKSIZE); + setup(entry_point, data, (u32int)(m_process->heap().alloc(STACKSIZE)) + STACKSIZE); } Thread::~Thread() { |