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-rw-r--r--Source/Kernel/Core/kmain.wtf.cpp4
-rw-r--r--Source/Kernel/DeviceManager/Dev.ns.cpp14
-rw-r--r--Source/Kernel/DeviceManager/Dev.ns.h1
-rw-r--r--Source/Kernel/DeviceManager/Kbd.ns.cpp4
-rw-r--r--Source/Kernel/FileSystems/RamFS/RamFS.class.cpp47
-rw-r--r--Source/Kernel/FileSystems/RamFS/RamFS.class.h9
-rwxr-xr-xSource/Kernel/Melon.kebin159305 -> 159686 bytes
-rw-r--r--Source/Kernel/VFS/DirectoryNode.class.cpp12
-rw-r--r--Source/Kernel/VFS/DirectoryNode.class.h9
-rw-r--r--Source/Kernel/VFS/File.class.h7
-rw-r--r--Source/Kernel/VFS/FileNode.class.h1
-rw-r--r--Source/Kernel/VFS/FileSystem.proto.h2
12 files changed, 90 insertions, 20 deletions
diff --git a/Source/Kernel/Core/kmain.wtf.cpp b/Source/Kernel/Core/kmain.wtf.cpp
index 6ccc71e..0f22189 100644
--- a/Source/Kernel/Core/kmain.wtf.cpp
+++ b/Source/Kernel/Core/kmain.wtf.cpp
@@ -74,7 +74,7 @@ void kmain(multiboot_info_t* mbd, u32int magic) {
melonLogoVT->map(1);
//Create a VT for logging what kernel does
- SimpleVT *kvt = new ScrollableVT(15, 76, 100, KVT_FGCOLOR, KVT_BGCOLOR);
+ SimpleVT *kvt = new ScrollableVT(15, 76, 200, KVT_FGCOLOR, KVT_BGCOLOR);
kvt->map(melonLogoLines + 2);
INFO(kvt); *kvt << "Lower ram : " << (s32int)mbd->mem_lower << "k, upper : " << (s32int)mbd->mem_upper << "k.\n";
@@ -103,7 +103,7 @@ void kmain(multiboot_info_t* mbd, u32int magic) {
Task::initialize(String((char*)mbd->cmdline), kvt); OK(kvt);
PROCESSING(kvt, "Mounting first module as ramfs on root directory...");
- FileSystem* fs = new RamFS((u8int*)mods[0].mod_start, 1024 * 1024);
+ FileSystem* fs = RamFS::mount((u8int*)mods[0].mod_start, 1024 * 1024, NULL);
DirectoryNode* cwd;
cwd = fs->getRootNode();
VFS::setRootNode(cwd); OK(kvt);
diff --git a/Source/Kernel/DeviceManager/Dev.ns.cpp b/Source/Kernel/DeviceManager/Dev.ns.cpp
index b2f8a70..3afc267 100644
--- a/Source/Kernel/DeviceManager/Dev.ns.cpp
+++ b/Source/Kernel/DeviceManager/Dev.ns.cpp
@@ -48,4 +48,18 @@ Vector<Device*> findDevices(String _class) {
return ret;
}
+Device* findDevice(String _class, u32int idx) {
+ for (u32int i = 0; i < devices.size(); i++) {
+ String devclass = devices[i]->getClass();
+ if (devclass == _class or (devclass.size() > _class.size() and devclass.substr(0, _class.size()) == _class)) {
+ if (idx == 0) {
+ return devices[i];
+ } else {
+ idx--;
+ }
+ }
+ }
+ return NULL;
+}
+
}
diff --git a/Source/Kernel/DeviceManager/Dev.ns.h b/Source/Kernel/DeviceManager/Dev.ns.h
index 389fe3e..7dda56b 100644
--- a/Source/Kernel/DeviceManager/Dev.ns.h
+++ b/Source/Kernel/DeviceManager/Dev.ns.h
@@ -13,6 +13,7 @@ namespace Dev {
bool requestIRQ(Device* dev, int irq);
Vector<Device*> findDevices(String _class = "");
+ Device* findDevice(String _class = "", u32int idx = 0);
}
#endif
diff --git a/Source/Kernel/DeviceManager/Kbd.ns.cpp b/Source/Kernel/DeviceManager/Kbd.ns.cpp
index df419b7..3db0d34 100644
--- a/Source/Kernel/DeviceManager/Kbd.ns.cpp
+++ b/Source/Kernel/DeviceManager/Kbd.ns.cpp
@@ -69,7 +69,9 @@ bool loadKeymap(String lang) {
File f(file, FM_READ);
if (!f.valid()) return false;
- f.read(sizeof(melon_keymap_t), (u8int*)&km);
+ if (!f.read<melon_keymap_t> (&km)) {
+ Log::log(KL_WARNING, String("Kbd.ns : keymap badly loaded : ") += file);
+ }
keymapNormal = km.normal;
if (km.shift[0x10] != 0) keymapShift = km.shift; else keymapShift = keymapNormal;
diff --git a/Source/Kernel/FileSystems/RamFS/RamFS.class.cpp b/Source/Kernel/FileSystems/RamFS/RamFS.class.cpp
index ca8dd21..a224bf8 100644
--- a/Source/Kernel/FileSystems/RamFS/RamFS.class.cpp
+++ b/Source/Kernel/FileSystems/RamFS/RamFS.class.cpp
@@ -2,18 +2,29 @@
#include <VFS/DirectoryNode.class.h>
#include "RamFileNode.class.h"
-RamFS::RamFS(u32int maxSize) {
- m_maxSize = maxSize;
- m_usedSize = 0;
- m_isWritable = true;
- m_rootNode = new DirectoryNode("/", this, NULL);
+RamFS::RamFS() {
}
-RamFS::RamFS(u8int *ptr, u32int maxSize, bool writable) {
- m_maxSize = maxSize;
- m_usedSize = 0;
- m_isWritable = true;
- m_rootNode = new DirectoryNode("/", this, NULL);
+RamFS::~RamFS() {
+ delete m_rootNode;
+}
+
+RamFS* RamFS::mount(u32int maxSize, DirectoryNode* mountpoint) {
+ RamFS* rfs = new RamFS();
+ rfs->m_maxSize = maxSize;
+ rfs->m_usedSize = 0;
+ rfs->m_isWritable = true;
+ rfs->m_rootNode = new DirectoryNode("/", rfs, mountpoint);
+ return rfs;
+}
+
+RamFS* RamFS::mount(u8int *ptr, u32int maxSize, DirectoryNode* mountpoint, bool writable) {
+ RamFS* rfs = new RamFS();
+
+ rfs->m_maxSize = maxSize;
+ rfs->m_usedSize = 0;
+ rfs->m_isWritable = true;
+ rfs->m_rootNode = new DirectoryNode("/", rfs, mountpoint);
union {
u8int* c;
@@ -22,7 +33,11 @@ RamFS::RamFS(u8int *ptr, u32int maxSize, bool writable) {
} curr;
curr.c = ptr;
- if (curr.i->magic != INITRD_MAGIC) return;
+ if (curr.i->magic != INITRD_MAGIC) {
+ delete rfs;
+ return NULL;
+ }
+
u32int files = curr.i->files;
curr.i++; //Increment pointer of size of initrd header
for (u32int i = 0; i < files; i++) {
@@ -32,12 +47,12 @@ RamFS::RamFS(u8int *ptr, u32int maxSize, bool writable) {
String name((const char*)(curr.c));
curr.c += h.name_length + 1; //Increment pointer of length of name
- //Find out a vector conaining parent directories, and set name to the effective file name
+ //Find out a vector containing parent directories, and set name to the effective file name
if (name[0] == WChar("/")) name = name.substr(1, name.size() - 1);
//Find node for parent directory
String mname = "";
- DirectoryNode* parent = m_rootNode;
+ DirectoryNode* parent = rfs->m_rootNode;
for (u32int i = 0; i < name.size(); i++) {
if (name[i] == WChar("/")) {
FSNode* n = parent->getChild(mname);
@@ -61,6 +76,12 @@ RamFS::RamFS(u8int *ptr, u32int maxSize, bool writable) {
}
}
}
+
+ return rfs;
+}
+
+bool RamFS::unmount() {
+ return m_rootNode->unmountable();
}
bool RamFS::setName(FSNode* node, String name) { return true; }
diff --git a/Source/Kernel/FileSystems/RamFS/RamFS.class.h b/Source/Kernel/FileSystems/RamFS/RamFS.class.h
index 0a3f0c4..1d60796 100644
--- a/Source/Kernel/FileSystems/RamFS/RamFS.class.h
+++ b/Source/Kernel/FileSystems/RamFS/RamFS.class.h
@@ -17,12 +17,17 @@ struct initrd_file_header {
class RamFS : public FileSystem {
private:
+ ~RamFS();
+ RamFS(const RamFS& other);
+ RamFS();
+ bool unmount(); //TO BE USED ONLY BY VFS::UNMOUNT (when will exist...)
+
u32int m_maxSize;
u32int m_usedSize;
public:
- RamFS(u32int maxSize); //Creates an empty RAM file system
- RamFS(u8int* ptr, u32int maxSize, bool writable = true); //Creates a RAM file system from data loaded in memory. format to be defined
+ static RamFS* mount(u32int maxSize, DirectoryNode* mountpoint); //Creates an empty RAM file system
+ static RamFS* mount(u8int* ptr, u32int maxSize, DirectoryNode* mountpoint, bool writable = true); //Creates a RAM file system from data loaded in memory. format to be defined
bool setName(FSNode* node, String name);
bool setPermissions(FSNode* node, u32int permissions);
diff --git a/Source/Kernel/Melon.ke b/Source/Kernel/Melon.ke
index 703a9c3..3cd9a6c 100755
--- a/Source/Kernel/Melon.ke
+++ b/Source/Kernel/Melon.ke
Binary files differ
diff --git a/Source/Kernel/VFS/DirectoryNode.class.cpp b/Source/Kernel/VFS/DirectoryNode.class.cpp
index 415899c..0c58ca1 100644
--- a/Source/Kernel/VFS/DirectoryNode.class.cpp
+++ b/Source/Kernel/VFS/DirectoryNode.class.cpp
@@ -7,6 +7,18 @@ bool DirectoryNode::removable() {
return m_children.empty();
}
+bool DirectoryNode::unmountable() {
+ if (!m_contentLoaded) return true;
+ for (u32int i = 0; i < m_children.size(); i++) {
+ if (m_children[i]->type() == NT_DIRECTORY) {
+ if (!((DirectoryNode*)m_children[i])->unmountable()) return false;
+ } else {
+ if (!m_children[i]->removable()) return false;
+ }
+ }
+ return true;
+}
+
bool DirectoryNode::loadContent() {
if (m_contentLoaded) return true;
bool b = m_fs->loadContents(this);
diff --git a/Source/Kernel/VFS/DirectoryNode.class.h b/Source/Kernel/VFS/DirectoryNode.class.h
index 5de523e..2130458 100644
--- a/Source/Kernel/VFS/DirectoryNode.class.h
+++ b/Source/Kernel/VFS/DirectoryNode.class.h
@@ -13,12 +13,19 @@ class DirectoryNode : public FSNode {
DirectoryNode(String name, FileSystem* fs, FSNode* parent, u32int permissions = 0777,
u32int uid = 0, u32int gid = 0) :
FSNode(name, fs, parent, 0, permissions, uid, gid), m_children(), m_contentLoaded(false) {}
- virtual ~DirectoryNode() {}
+ virtual ~DirectoryNode() {
+ if (m_contentLoaded) {
+ for (u32int i = 0; i < m_children.size(); i++) {
+ delete m_children[i];
+ }
+ }
+ }
Vector<FSNode*> &getChildren() { return m_children; } //MUST BE USED ONLY BY FILESYSTEMS
u8int type() { return NT_DIRECTORY; }
bool removable();
+ bool unmountable();
bool loadContent();
FSNode* getChild(u32int index);
diff --git a/Source/Kernel/VFS/File.class.h b/Source/Kernel/VFS/File.class.h
index ef82a70..7831fb5 100644
--- a/Source/Kernel/VFS/File.class.h
+++ b/Source/Kernel/VFS/File.class.h
@@ -38,6 +38,13 @@ class File {
u32int read(ByteArray &data); //Fills ByteArray at its current length or shrinks it if we can't read enough
bool write(ByteArray &data);
+ template <typename T> bool read(T* elem) {
+ return (read(sizeof(T), (u8int*)elem) == sizeof(T));
+ }
+ template <typename T> bool write(T* elem) {
+ return write(sizeof(T), (u8int*)elem);
+ }
+
bool seek(u64int count, u8int mode);
u64int position() { return m_position; }
u64int length() { return m_file->getLength(); }
diff --git a/Source/Kernel/VFS/FileNode.class.h b/Source/Kernel/VFS/FileNode.class.h
index ac170ae..7ab617f 100644
--- a/Source/Kernel/VFS/FileNode.class.h
+++ b/Source/Kernel/VFS/FileNode.class.h
@@ -21,7 +21,6 @@ class FileNode : public FSNode {
bool used() { return (m_readers != 0 or m_writers != 0); }
bool writable() { return m_fs->isWritable(); }
- //protected:
u32int read(u64int position, u32int max_length, u8int *data) {
return m_fs->read(this, position, max_length, data);
}
diff --git a/Source/Kernel/VFS/FileSystem.proto.h b/Source/Kernel/VFS/FileSystem.proto.h
index 2f768a7..5aec434 100644
--- a/Source/Kernel/VFS/FileSystem.proto.h
+++ b/Source/Kernel/VFS/FileSystem.proto.h
@@ -13,6 +13,8 @@ class FileSystem {
DirectoryNode* m_rootNode;
public:
+ bool unmount();
+
bool isWritable() { return m_isWritable; }
DirectoryNode* getRootNode() { return m_rootNode; }
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-20 02:31:50 +0000