diff options
Diffstat (limited to 'libdde_linux26/lib/src/arch/l4')
28 files changed, 0 insertions, 4320 deletions
diff --git a/libdde_linux26/lib/src/arch/l4/.svn/all-wcprops b/libdde_linux26/lib/src/arch/l4/.svn/all-wcprops deleted file mode 100644 index 132337d1..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/all-wcprops +++ /dev/null @@ -1,155 +0,0 @@ -K 25 -svn:wc:ra_dav:version-url -V 66 -/repos/tudos/!svn/ver/457/trunk/l4/pkg/dde/linux26/lib/src/arch/l4 -END -local.h -K 25 -svn:wc:ra_dav:version-url -V 74 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/local.h -END -smp.c -K 25 -svn:wc:ra_dav:version-url -V 72 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/smp.c -END -param.c -K 25 -svn:wc:ra_dav:version-url -V 74 -/repos/tudos/!svn/ver/240/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/param.c -END -init.c -K 25 -svn:wc:ra_dav:version-url -V 73 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/init.c -END -fs.c -K 25 -svn:wc:ra_dav:version-url -V 71 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/fs.c -END -pci.c -K 25 -svn:wc:ra_dav:version-url -V 72 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/pci.c -END -kmem_cache.c -K 25 -svn:wc:ra_dav:version-url -V 79 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/kmem_cache.c -END -signal.c -K 25 -svn:wc:ra_dav:version-url -V 75 -/repos/tudos/!svn/ver/174/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/signal.c -END -hw-helpers.c -K 25 -svn:wc:ra_dav:version-url -V 79 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/hw-helpers.c -END -process.c -K 25 -svn:wc:ra_dav:version-url -V 76 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/process.c -END -vmstat.c -K 25 -svn:wc:ra_dav:version-url -V 75 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/vmstat.c -END -timer.c -K 25 -svn:wc:ra_dav:version-url -V 74 -/repos/tudos/!svn/ver/457/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/timer.c -END -inodes.c -K 25 -svn:wc:ra_dav:version-url -V 75 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/inodes.c -END -kmalloc.c -K 25 -svn:wc:ra_dav:version-url -V 76 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/kmalloc.c -END -init_task.c -K 25 -svn:wc:ra_dav:version-url -V 78 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/init_task.c -END -page_alloc.c -K 25 -svn:wc:ra_dav:version-url -V 79 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/page_alloc.c -END -net.c -K 25 -svn:wc:ra_dav:version-url -V 72 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/net.c -END -mm-helper.c -K 25 -svn:wc:ra_dav:version-url -V 78 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/mm-helper.c -END -cli_sti.c -K 25 -svn:wc:ra_dav:version-url -V 76 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/cli_sti.c -END -sched.c -K 25 -svn:wc:ra_dav:version-url -V 74 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/sched.c -END -softirq.c -K 25 -svn:wc:ra_dav:version-url -V 76 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/softirq.c -END -res.c -K 25 -svn:wc:ra_dav:version-url -V 72 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/res.c -END -irq.c -K 25 -svn:wc:ra_dav:version-url -V 72 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/irq.c -END -power.c -K 25 -svn:wc:ra_dav:version-url -V 74 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/power.c -END -vmalloc.c -K 25 -svn:wc:ra_dav:version-url -V 76 -/repos/tudos/!svn/ver/455/trunk/l4/pkg/dde/linux26/lib/src/arch/l4/vmalloc.c -END diff --git a/libdde_linux26/lib/src/arch/l4/.svn/entries b/libdde_linux26/lib/src/arch/l4/.svn/entries deleted file mode 100644 index a4e08f01..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/entries +++ /dev/null @@ -1,878 +0,0 @@ -9 - 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-#include <linux/kernel.h> - -/* IRQ lock reference counter */ -static atomic_t _refcnt = ATOMIC_INIT(0); - -/* Check whether IRQs are currently disabled. - * - * This is the case, if flags is greater than 0. - */ - -int raw_irqs_disabled_flags(unsigned long flags) -{ - return ((int)flags > 0); -} - -/* Store the current flags state. - * - * This is done by returning the current refcnt. - * - * XXX: Up to now, flags was always 0 at this point and - * I assume that this is always the case. Prove? - */ -unsigned long __raw_local_save_flags(void) -{ - return (unsigned long)atomic_read(&_refcnt); -} - -/* Restore IRQ state. */ -void raw_local_irq_restore(unsigned long flags) -{ - atomic_set(&_refcnt, flags); -} - -/* Disable IRQs by grabbing the IRQ lock. */ -void raw_local_irq_disable(void) -{ - atomic_inc(&_refcnt); -} - -/* Unlock the IRQ lock until refcnt is 0. */ -void raw_local_irq_enable(void) -{ - atomic_set(&_refcnt, 0); -} - - -void raw_safe_halt(void) -{ - WARN_UNIMPL; -} - - -void halt(void) -{ - WARN_UNIMPL; -} - -/* These functions are empty for DDE. Every DDE thread is a separate - * "virtual" CPU. Therefore there is no need to en/disable bottom halves. - */ -void local_bh_disable(void) {} -void __local_bh_enable(void) {} -void _local_bh_enable(void) {} -void local_bh_enable(void) {} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/fs.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/fs.c.svn-base deleted file mode 100644 index db452949..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/fs.c.svn-base +++ /dev/null @@ -1,111 +0,0 @@ -#include "local.h" - -#include <linux/fs.h> -#include <linux/backing-dev.h> -#include <linux/mount.h> - -/* - * Some subsystems, such as the blockdev layer, implement their data - * hierarchy as a pseudo file system. To not incorporate the complete - * Linux VFS implementation, we cut this down to an own one only for - * pseudo file systems. - */ -static LIST_HEAD(dde_vfs_mounts); - -#define MAX_RA_PAGES 1 - -void default_unplug_io_fn(struct backing_dev_info *bdi, struct page* p) -{ -} - -struct backing_dev_info default_backing_dev_info = { - .ra_pages = MAX_RA_PAGES, - .state = 0, - .capabilities = BDI_CAP_MAP_COPY, - .unplug_io_fn = default_unplug_io_fn, -}; - -int seq_printf(struct seq_file *m, const char *f, ...) -{ - WARN_UNIMPL; - return 0; -} - -int generic_writepages(struct address_space *mapping, - struct writeback_control *wbc) -{ - WARN_UNIMPL; - return 0; -} - - -/************************************** - * Filemap stuff * - **************************************/ -struct page * find_get_page(struct address_space *mapping, unsigned long offset) -{ - WARN_UNIMPL; - return NULL; -} - -void unlock_page(struct page *page) -{ - WARN_UNIMPL; -} - -int test_set_page_writeback(struct page *page) -{ - WARN_UNIMPL; - return 0; -} - -void end_page_writeback(struct page *page) -{ - WARN_UNIMPL; -} - -void do_invalidatepage(struct page *page, unsigned long offset) -{ - WARN_UNIMPL; -} - -int redirty_page_for_writepage(struct writeback_control *wbc, struct page *page) -{ - WARN_UNIMPL; - return 0; -} - -static struct vfsmount *dde_kern_mount(struct file_system_type *type, - int flags, const char *name, - void *data) -{ - struct list_head *pos, *head; - int error; - - head = &dde_vfs_mounts; - __list_for_each(pos, head) { - struct vfsmount *mnt = list_entry(pos, struct vfsmount, next); - if (strcmp(name, mnt->name) == 0) { - printk("FS type %s already mounted!?\n", name); - BUG(); - return NULL; - } - } - - struct vfsmount *m = kzalloc(sizeof(*m), GFP_KERNEL); - m->fs_type = type; - m->name = kmalloc(strlen(name) + 1, GFP_KERNEL); - memcpy(m->name, name, strlen(name) + 1); - - error = type->get_sb(type, flags, name, data, m); - BUG_ON(error); - - list_add_tail(&m->next, &dde_vfs_mounts); - - return m; -} - -struct vfsmount *kern_mount_data(struct file_system_type *type, void *data) -{ - return dde_kern_mount(type, 0, type->name, NULL); -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/hw-helpers.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/hw-helpers.c.svn-base deleted file mode 100644 index 555406c9..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/hw-helpers.c.svn-base +++ /dev/null @@ -1,12 +0,0 @@ -#include "local.h" - -#include <linux/kexec.h> - -note_buf_t *crash_notes = NULL; - -void touch_nmi_watchdog(void) -{ - WARN_UNIMPL; -} - -unsigned long pci_mem_start = 0xABCDABCD; diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/init.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/init.c.svn-base deleted file mode 100644 index e89ef27f..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/init.c.svn-base +++ /dev/null @@ -1,33 +0,0 @@ -#include "local.h" - -#include <l4/dde/linux26/dde26.h> -#include <l4/dde/dde.h> - -#define DEBUG_PCI(msg, ...) ddekit_printf( "\033[33m"msg"\033[0m\n", ##__VA_ARGS__) - -/* Didn't know where to put this. */ -unsigned long __per_cpu_offset[NR_CPUS]; - -extern void driver_init(void); -extern int classes_init(void); - -void __init __attribute__((used)) l4dde26_init(void) -{ - /* first, initialize DDEKit */ - ddekit_init(); - - l4dde26_kmalloc_init(); - - /* Init Linux driver framework before trying to add PCI devs to the bus */ - driver_init(); - - printk("Initialized DDELinux 2.6\n"); -} - -void l4dde26_do_initcalls(void) -{ - /* finally, let DDEKit perform all the initcalls */ - ddekit_do_initcalls(); -} - -dde_initcall(l4dde26_init); diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/init_task.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/init_task.c.svn-base deleted file mode 100644 index 685373d1..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/init_task.c.svn-base +++ /dev/null @@ -1,131 +0,0 @@ -#include "local.h" - -//#include <asm/desc.h> -#include <asm/pgtable.h> -#include <asm/uaccess.h> - -#include <linux/fs.h> -#include <linux/fdtable.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/init_task.h> -#include <linux/ipc_namespace.h> -#include <linux/kernel.h> -#include <linux/mqueue.h> -#include <linux/module.h> -#include <linux/personality.h> - -/* init task */ -struct task_struct init_task; - -/* From kernel/pid.c */ -#define BITS_PER_PAGE (PAGE_SIZE*8) -#define BITS_PER_PAGE_MASK (BITS_PER_PAGE-1) - -/* From init/main.c */ -enum system_states system_state; -EXPORT_SYMBOL(system_state); - -struct fs_struct init_fs = { - .count = ATOMIC_INIT(1), - .lock = __RW_LOCK_UNLOCKED(init_fs.lock), - .umask = 0022, -}; - -struct files_struct init_files = { - .count = ATOMIC_INIT(1), - .fdt = &init_files.fdtab, - .fdtab = { - .max_fds = NR_OPEN_DEFAULT, - .fd = &init_files.fd_array[0], - .close_on_exec = (fd_set *)&init_files.close_on_exec_init, - .open_fds = (fd_set *)&init_files.open_fds_init, - .rcu = RCU_HEAD_INIT, - }, - .file_lock = __SPIN_LOCK_UNLOCKED(init_task.file_lock), -}; - -struct signal_struct init_signals = INIT_SIGNALS(init_signals); -struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); -struct mm_struct init_mm = INIT_MM(init_mm); -pgd_t swapper_pg_dir[PTRS_PER_PGD]; -union thread_union init_thread_union = { INIT_THREAD_INFO(init_task) }; -struct group_info init_groups = {.usage = ATOMIC_INIT(2)}; - -struct user_struct root_user = { - .__count = ATOMIC_INIT(1), - .processes = ATOMIC_INIT(1), - .files = ATOMIC_INIT(0), - .sigpending = ATOMIC_INIT(0), - .mq_bytes = 0, - .locked_shm = 0, -}; - -/* - * PID-map pages start out as NULL, they get allocated upon - * first use and are never deallocated. This way a low pid_max - * value does not cause lots of bitmaps to be allocated, but - * the scheme scales to up to 4 million PIDs, runtime. - */ -struct pid_namespace init_pid_ns = { - .kref = { - .refcount = ATOMIC_INIT(2), - }, - .pidmap = { - [ 0 ... PIDMAP_ENTRIES-1] = { ATOMIC_INIT(BITS_PER_PAGE), NULL } - }, - .last_pid = 0, - .level = 0, - .child_reaper = &init_task, -}; -EXPORT_SYMBOL_GPL(init_pid_ns); - -struct net init_net __attribute__((weak)); - -struct nsproxy init_nsproxy = INIT_NSPROXY(init_nsproxy); - -struct ipc_namespace init_ipc_ns = { - .kref = { - .refcount = ATOMIC_INIT(2), - }, -}; - -struct user_namespace init_user_ns = { - .kref = { - .refcount = ATOMIC_INIT(2), - }, -}; - - -struct uts_namespace init_uts_ns = { - .kref = { - .refcount = ATOMIC_INIT(2), - }, - .name = { - .sysname = "L4/DDE", - .nodename = "", - .release = "2.6", - .version = "25", - .machine = "", - .domainname = "", - }, -}; - -struct exec_domain default_exec_domain = { - .name = "Linux", /* name */ - .handler = NULL, /* no signaling! */ - .pers_low = 0, /* PER_LINUX personality. */ - .pers_high = 0, /* PER_LINUX personality. */ - .signal_map = 0, /* Identity map signals. */ - .signal_invmap = 0, /* - both ways. */ -}; - -/* copy of the initial task struct */ -struct task_struct init_task = INIT_TASK(init_task); -/* copy of the initial thread info (which contains init_task) */ -struct thread_info init_thread = INIT_THREAD_INFO(init_task); - -long do_no_restart_syscall(struct restart_block *param) -{ - return -EINTR; -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/inodes.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/inodes.c.svn-base deleted file mode 100644 index 9ef02ed5..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/inodes.c.svn-base +++ /dev/null @@ -1,311 +0,0 @@ -/** lib/src/arch/l4/inodes.c - * - * Assorted dummies implementing inode and superblock access functions, - * which are used by the block layer stuff, but not needed in DDE_Linux. - */ - -#include "local.h" - -#include <linux/fs.h> -#include <linux/module.h> -#include <linux/mount.h> - -/* - * Linux' global list of all super blocks. - */ -LIST_HEAD(super_blocks); - -/********************************** - * Inode stuff * - **********************************/ - -struct inode* new_inode(struct super_block *sb) -{ - if (sb->s_op->alloc_inode) - return sb->s_op->alloc_inode(sb); - - return kzalloc(sizeof(struct inode), GFP_KERNEL); -} - -void __mark_inode_dirty(struct inode *inode, int flags) -{ - WARN_UNIMPL; -} - -void iput(struct inode *inode) -{ - WARN_UNIMPL; -} - -void generic_delete_inode(struct inode *inode) -{ - WARN_UNIMPL; -} - -int invalidate_inodes(struct super_block * sb) -{ - WARN_UNIMPL; - return 0; -} - -void truncate_inode_pages(struct address_space *mapping, loff_t lstart) -{ - WARN_UNIMPL; -} - -void touch_atime(struct vfsmount *mnt, struct dentry *dentry) -{ - WARN_UNIMPL; -} - -/********************************** - * Superblock stuff * - **********************************/ - -struct super_block * get_super(struct block_device *bdev) -{ - WARN_UNIMPL; - return NULL; -} - -int simple_statfs(struct dentry *dentry, struct kstatfs *buf) -{ - WARN_UNIMPL; - return 0; -} - -void kill_anon_super(struct super_block *sb) -{ - WARN_UNIMPL; -} - -void shrink_dcache_sb(struct super_block * sb) -{ - WARN_UNIMPL; -} - -void drop_super(struct super_block *sb) -{ - WARN_UNIMPL; -} - -struct inode_operations empty_iops = { }; -struct file_operations empty_fops = { }; - -/**! Alloc and init a new inode. - * - * Basically stolen from linux/fs/inode.c:alloc_inode() - */ -static struct inode *dde_alloc_inode(struct super_block *sb) -{ - struct inode *inode; - - if (sb->s_op->alloc_inode) - inode = sb->s_op->alloc_inode(sb); - else - inode = kzalloc(sizeof(*inode), GFP_KERNEL); - - if (inode) { - inode->i_sb = sb; - inode->i_blkbits = sb->s_blocksize_bits; - inode->i_flags = 0; - atomic_set(&inode->i_count, 1); - inode->i_op = &empty_iops; - inode->i_fop = &empty_fops; - inode->i_nlink = 1; - atomic_set(&inode->i_writecount, 0); - inode->i_size = 0; - inode->i_blocks = 0; - inode->i_bytes = 0; - inode->i_generation = 0; - inode->i_pipe = NULL; - inode->i_bdev = NULL; - inode->i_cdev = NULL; - inode->i_rdev = 0; - inode->dirtied_when = 0; - inode->i_private = NULL; - } - - return inode; -} - - -void __iget(struct inode *inode) -{ - atomic_inc(&inode->i_count); -} - - -static struct inode *dde_new_inode(struct super_block *sb, struct list_head *head, - int (*test)(struct inode *, void *), - int (*set)(struct inode *, void *), void *data) -{ - struct inode *ret = dde_alloc_inode(sb); - int err = 0; - - if (set) - err = set(ret, data); - - BUG_ON(err); - - __iget(ret); - ret->i_state = I_LOCK|I_NEW; - - list_add_tail(&ret->i_sb_list, &sb->s_inodes); - - return ret; -} - - -struct inode *iget5_locked(struct super_block *sb, unsigned long hashval, - int (*test)(struct inode *, void *), - int (*set)(struct inode *, void *), void *data) -{ - struct inode *inode = NULL; - struct list_head *p; - - list_for_each(p, &sb->s_inodes) { - struct inode *i = list_entry(p, struct inode, i_sb_list); - if (test) { - if (!test(i, data)) { - DEBUG_MSG("test false"); - continue; - } - else { - inode = i; - break; - } - } - } - - if (inode) - return inode; - - return dde_new_inode(sb, &sb->s_inodes, test, set, data); -} - -void unlock_new_inode(struct inode *inode) -{ - inode->i_state &= ~(I_LOCK | I_NEW); - wake_up_bit(&inode->i_state, __I_LOCK); -} - -struct super_block *sget(struct file_system_type *type, - int (*test)(struct super_block *, void*), - int (*set)(struct super_block *, void*), - void *data) -{ - struct super_block *s = NULL; - struct list_head *p; - int err; - - if (test) { - list_for_each(p, &type->fs_supers) { - struct super_block *block = list_entry(p, - struct super_block, - s_instances); - if (!test(block, data)) - continue; - return block; - } - } - - s = kzalloc(sizeof(*s), GFP_KERNEL); - BUG_ON(!s); - - INIT_LIST_HEAD(&s->s_dirty); - INIT_LIST_HEAD(&s->s_io); - INIT_LIST_HEAD(&s->s_files); - INIT_LIST_HEAD(&s->s_instances); - INIT_HLIST_HEAD(&s->s_anon); - INIT_LIST_HEAD(&s->s_inodes); - init_rwsem(&s->s_umount); - mutex_init(&s->s_lock); - lockdep_set_class(&s->s_umount, &type->s_umount_key); - /* - * The locking rules for s_lock are up to the - * filesystem. For example ext3fs has different - * lock ordering than usbfs: - */ - lockdep_set_class(&s->s_lock, &type->s_lock_key); - down_write(&s->s_umount); - s->s_count = S_BIAS; - atomic_set(&s->s_active, 1); - mutex_init(&s->s_vfs_rename_mutex); - mutex_init(&s->s_dquot.dqio_mutex); - mutex_init(&s->s_dquot.dqonoff_mutex); - init_rwsem(&s->s_dquot.dqptr_sem); - init_waitqueue_head(&s->s_wait_unfrozen); - s->s_maxbytes = MAX_NON_LFS; -#if 0 - s->dq_op = sb_dquot_ops; - s->s_qcop = sb_quotactl_ops; - s->s_op = &default_op; -#endif - s->s_time_gran = 1000000000; - - err = set(s, data); - BUG_ON(err); - - s->s_type = type; - strlcpy(s->s_id, type->name, sizeof(s->s_id)); - list_add_tail(&s->s_list, &super_blocks); - list_add(&s->s_instances, &type->fs_supers); - __module_get(type->owner); - return s; -} - -int set_anon_super(struct super_block *s, void *data) -{ - WARN_UNIMPL; - return 0; -} - -int get_sb_pseudo(struct file_system_type *fs_type, char *name, - const struct super_operations *ops, unsigned long magic, - struct vfsmount *mnt) -{ - struct super_block *s = sget(fs_type, NULL, set_anon_super, NULL); - struct super_operations default_ops = {}; - struct inode *root = NULL; - struct dentry *dentry = NULL; - struct qstr d_name = {.name = name, .len = strlen(name)}; - - BUG_ON(IS_ERR(s)); - - s->s_flags = MS_NOUSER; - s->s_maxbytes = ~0ULL; - s->s_blocksize = 1024; - s->s_blocksize_bits = 10; - s->s_magic = magic; - s->s_op = ops ? ops : &default_ops; - s->s_time_gran = 1; - root = new_inode(s); - - BUG_ON(!root); - - root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR; - root->i_uid = root->i_gid = 0; -#if 0 - root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME; - dentry = d_alloc(NULL, &d_name); - dentry->d_sb = s; - dentry->d_parent = dentry; - d_instantiate(dentry, root); -#endif - s->s_root = dentry; - s->s_flags |= MS_ACTIVE; - - mnt->mnt_sb = s; - mnt->mnt_root = dget(s->s_root); - - DEBUG_MSG("root mnt sb @ %p", mnt->mnt_sb); - - return 0; -} - -void inode_init_once(struct inode *inode) -{ - WARN_UNIMPL; -} - diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/irq.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/irq.c.svn-base deleted file mode 100644 index 0e565e54..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/irq.c.svn-base +++ /dev/null @@ -1,247 +0,0 @@ -/* - * \brief Hardware-interrupt support - * \author Christian Helmuth <ch12@os.inf.tu-dresden.de> - * \date 2007-02-12 - * - * - * - * XXX Consider support for IRQ_HANDLED and friends (linux/irqreturn.h) - */ - -/* Linux */ -#include <linux/interrupt.h> -#include <linux/string.h> /* memset() */ - -/* DDEKit */ -#include <l4/dde/ddekit/interrupt.h> -#include <l4/dde/ddekit/memory.h> - -/* local */ -#include "dde26.h" -#include "local.h" - -/* dummy */ -irq_cpustat_t irq_stat[CONFIG_NR_CPUS]; - -/** - * IRQ handling data - */ -static struct dde_irq -{ - unsigned irq; /* IRQ number */ - unsigned count; /* usage count */ - int shared; /* shared IRQ */ - struct ddekit_thread *thread; /* DDEKit interrupt thread */ - struct irqaction *action; /* Linux IRQ action */ - - struct dde_irq *next; /* next DDE IRQ */ -} *used_irqs; - - -static void irq_thread_init(void *p) { - l4dde26_process_add_worker(); } - - -extern ddekit_sem_t *dde_softirq_sem; -static void irq_handler(void *arg) -{ - struct dde_irq *irq = arg; - struct irqaction *action; - -#if 0 - DEBUG_MSG("irq 0x%x", irq->irq); -#endif - /* interrupt occurred - call all handlers */ - for (action = irq->action; action; action = action->next) { - irqreturn_t r = action->handler(action->irq, action->dev_id); -#if 0 - DEBUG_MSG("return: %s", r == IRQ_HANDLED ? "IRQ_HANDLED" : r == IRQ_NONE ? "IRQ_NONE" : "??"); -#endif - } - - /* upon return we check for pending soft irqs */ - if (local_softirq_pending()) - ddekit_sem_up(dde_softirq_sem); -} - - -/***************************** - ** IRQ handler bookkeeping ** - *****************************/ - -/** - * Claim IRQ - * - * \return usage counter or negative error code - * - * FIXME list locking - * FIXME are there more races? - */ -static int claim_irq(struct irqaction *action) -{ - int shared = action->flags & IRQF_SHARED ? 1 : 0; - struct dde_irq *irq; - - /* check if IRQ already used */ - for (irq = used_irqs; irq; irq = irq->next) - if (irq->irq == action->irq) break; - - /* we have to setup IRQ handling */ - if (!irq) { - /* allocate and initalize new descriptor */ - irq = ddekit_simple_malloc(sizeof(*irq)); - if (!irq) return -ENOMEM; - memset(irq, 0, sizeof(*irq)); - - irq->irq = action->irq; - irq->shared = shared; - irq->next = used_irqs; - used_irqs = irq; - - /* attach to interrupt */ - irq->thread = ddekit_interrupt_attach(irq->irq, - irq->shared, - irq_thread_init, - irq_handler, - (void *)irq); - if (!irq->thread) { - ddekit_simple_free(irq); - return -EBUSY; - } - } - - /* does desciptor allow our new handler? */ - if ((!irq->shared || !shared) && irq->action) return -EBUSY; - - /* add handler */ - irq->count++; - action->next = irq->action; - irq->action = action; - - return irq->count; -} - - -/** - * Free previously claimed IRQ - * - * \return usage counter or negative error code - */ -static struct irqaction *release_irq(unsigned irq_num, void *dev_id) -{ - struct dde_irq *prev_irq, *irq; - - /* check if IRQ already used */ - for (prev_irq = 0, irq = used_irqs; irq; - prev_irq = irq, irq = irq->next) - if (irq->irq == irq_num) break; - - if (!irq) return 0; - - struct irqaction *prev_action, *action; - - for (prev_action = 0, action = irq->action; action; - prev_action = action, action = action->next) - if (action->dev_id == dev_id) break; - - if (!action) return 0; - - /* dequeue action from irq */ - if (prev_action) - prev_action->next = action->next; - else - irq->action = action->next; - - /* dequeue irq from used_irqs list and free structure, - if no more actions available */ - if (!irq->action) { - if (prev_irq) - prev_irq->next = irq->next; - else - used_irqs = irq->next; - - /* detach from interrupt */ - ddekit_interrupt_detach(irq->irq); - - ddekit_simple_free(irq); - } - - return action; -} - - -/*************** - ** Linux API ** - ***************/ - -/** - * Request interrupt - * - * \param irq interrupt number - * \param handler interrupt handler -> top half - * \param flags interrupt handling flags (SA_SHIRQ, ...) - * \param dev_name device name - * \param dev_id cookie passed back to handler - * - * \return 0 on success; error code otherwise - * - * \todo FIXME consider locking! - */ -int request_irq(unsigned int irq, irq_handler_t handler, - unsigned long flags, const char *dev_name, void *dev_id) -{ - if (!handler) return -EINVAL; - - /* facilitate Linux irqaction for this handler */ - struct irqaction *irq_action = ddekit_simple_malloc(sizeof(*irq_action)); - if (!irq_action) return -ENOMEM; - memset(irq_action, 0, sizeof(*irq_action)); - - irq_action->handler = handler; - irq_action->flags = flags; - irq_action->name = dev_name; - irq_action->dev_id = dev_id; - irq_action->irq = irq; - - /* attach to IRQ */ - int err = claim_irq(irq_action); - if (err < 0) return err; - - return 0; -} - -/** Release Interrupt - * \ingroup mod_irq - * - * \param irq interrupt number - * \param dev_id cookie passed back to handler - * - */ -void free_irq(unsigned int irq, void *dev_id) -{ - struct irqaction *irq_action = release_irq(irq, dev_id); - - if (irq_action) - ddekit_simple_free(irq_action); -} - -void disable_irq(unsigned int irq) -{ - ddekit_interrupt_disable(irq); -} - -void disable_irq_nosync(unsigned int irq) -{ - /* - * Note: - * In contrast to the _nosync semantics, DDEKit's - * disable definitely waits until a currently executed - * IRQ handler terminates. - */ - ddekit_interrupt_disable(irq); -} - -void enable_irq(unsigned int irq) -{ - ddekit_interrupt_enable(irq); -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/kmalloc.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/kmalloc.c.svn-base deleted file mode 100644 index 065c13c7..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/kmalloc.c.svn-base +++ /dev/null @@ -1,199 +0,0 @@ -/* - * \brief kmalloc() implementation - * \author Christian Helmuth <ch12@os.inf.tu-dresden.de> - * \date 2007-01-24 - * - * In Linux 2.6 this resides in mm/slab.c. - * - * This implementation of kmalloc() stays with Linux's and uses kmem_caches for - * some power of two bytes. For larger allocations ddedkit_large_malloc() is - * used. This way, we optimize for speed and potentially waste memory - * resources. - */ - -/* Linux */ -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/bootmem.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/mm.h> -#include <asm/io.h> - -/* DDEKit */ -#include <l4/dde/ddekit/debug.h> -#include <l4/dde/ddekit/memory.h> - -#include <l4/dde/linux26/dde26.h> - -/* dummy */ -int forbid_dac; - -/* This stuff is needed by some drivers, e.g. for ethtool. - * XXX: This is a fake, implement it if you really need ethtool stuff. - */ -struct page* mem_map = NULL; -static bootmem_data_t contig_bootmem_data; -struct pglist_data contig_page_data = { .bdata = &contig_bootmem_data }; - -int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, - unsigned long pfn, unsigned long size, pgprot_t prot) -{ - return 0; -} -EXPORT_SYMBOL(remap_pfn_range); - -/******************* - ** Configuration ** - *******************/ - -#define DEBUG_MALLOC 0 - -/******************** - ** Implementation ** - ********************/ - -/* - * These are the default caches for kmalloc. Custom caches can have other sizes. - */ -static struct cache_sizes malloc_sizes[] = { -#define CACHE(x) { .cs_size = (x) }, -#include <linux/kmalloc_sizes.h> - CACHE(ULONG_MAX) -#undef CACHE -}; - - -/* - * kmalloc() cache names - */ -static const char *malloc_names[] = { -#define CACHE(x) "size-" #x, -#include <linux/kmalloc_sizes.h> - NULL -#undef CACHE -}; - - -/** - * Find kmalloc() cache for size - */ -static struct kmem_cache *find_cache(size_t size) -{ - struct cache_sizes *sizes; - - for (sizes = malloc_sizes; size > sizes->cs_size; ++sizes) ; - - return sizes->cs_cachep; -} - - -/** - * Free previously allocated memory - * @objp: pointer returned by kmalloc. - * - * If @objp is NULL, no operation is performed. - * - * Don't free memory not originally allocated by kmalloc() - * or you will run into trouble. - */ -void kfree(const void *objp) -{ - if (!objp) return; - - /* find cache back-pointer */ - void **p = (void **)objp - 1; - - ddekit_log(DEBUG_MALLOC, "objp=%p cache=%p (%d)", - p, *p, *p ? kmem_cache_size(*p) : 0); - - if (*p) - /* free from cache */ - kmem_cache_free(*p, p); - else - /* no cache for this size - use ddekit free */ - ddekit_large_free(p); -} - - -/** - * Allocate memory - * @size: how many bytes of memory are required. - * @flags: the type of memory to allocate. - * - * kmalloc is the normal method of allocating memory - * in the kernel. - */ -void *__kmalloc(size_t size, gfp_t flags) -{ - /* add space for back-pointer */ - size += sizeof(void *); - - /* find appropriate cache */ - struct kmem_cache *cache = find_cache(size); - - void **p; - if (cache) - /* allocate from cache */ - p = kmem_cache_alloc(cache, flags); - else - /* no cache for this size - use ddekit malloc */ - p = ddekit_large_malloc(size); - - ddekit_log(DEBUG_MALLOC, "size=%d, cache=%p (%d) => %p", - size, cache, cache ? kmem_cache_size(cache) : 0, p); - - /* return pointer to actual chunk */ - if (p) { - *p = cache; - p++; - } - return p; -} - - -size_t ksize(const void *p) -{ - struct kmem_cache *cache = (struct kmem_cache *)*((void**)p - 1); - if (cache) - return kmem_cache_size(cache); - return -1; -} - - -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) -{ - void *ret = (void *)__get_free_pages(flag, get_order(size)); - - if (ret != NULL) { - memset(ret, 0, size); - *dma_handle = virt_to_bus(ret); - } - return ret; -} - - -void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) -{ - free_pages((unsigned long)vaddr, get_order(size)); -} - - -/******************** - ** Initialization ** - ********************/ - -/** - * dde_linux kmalloc initialization - */ -void l4dde26_kmalloc_init(void) -{ - struct cache_sizes *sizes = malloc_sizes; - const char **names = malloc_names; - - /* init malloc sizes array */ - for (; sizes->cs_size != ULONG_MAX; ++sizes, ++names) - sizes->cs_cachep = kmem_cache_create(*names, sizes->cs_size, 0, 0, 0); -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/kmem_cache.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/kmem_cache.c.svn-base deleted file mode 100644 index 1465ac6c..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/kmem_cache.c.svn-base +++ /dev/null @@ -1,213 +0,0 @@ -/* - * \brief Kmem_cache implementation - * \author Christian Helmuth - * \date 2007-01-22 - * - * In Linux 2.6 this resides in mm/slab.c. - * - * I'll disregard the following function currently... - * - * extern struct kmem_cache *kmem_find_general_cachep(size_t size, gfp_t gfpflags); - * extern void *kmem_cache_zalloc(struct kmem_cache *, gfp_t); - */ - -/* Linux */ -#include <linux/slab.h> - -/* DDEKit */ -#include <l4/dde/ddekit/memory.h> -#include <l4/dde/ddekit/lock.h> - - -/******************* - ** Configuration ** - *******************/ - -#define DEBUG_SLAB 0 - -#if DEBUG_SLAB -# define DEBUG_SLAB_ALLOC 1 -#else -# define DEBUG_SLAB_ALLOC 0 -#endif - -/* - * Kmem cache structure - */ -struct kmem_cache -{ - const char *name; /**< cache name */ - unsigned size; /**< obj size */ - - struct ddekit_slab *ddekit_slab_cache; /**< backing DDEKit cache */ - ddekit_lock_t cache_lock; /**< lock */ - void (*ctor)(void *); /**< object constructor */ -}; - - -/** - * Return size of objects in cache - */ -unsigned int kmem_cache_size(struct kmem_cache *cache) -{ - return cache->size; -} - - -/** - * Return name of cache - */ -const char *kmem_cache_name(struct kmem_cache *cache) -{ - return cache->name; -} - - -/** - * kmem_cache_shrink - Shrink a cache. - * @cachep: The cache to shrink. - * - * Releases as many slabs as possible for a cache. - * To help debugging, a zero exit status indicates all slabs were released. - */ -int kmem_cache_shrink(struct kmem_cache *cache) -{ - /* noop */ - return 1; -} - - -/** - * kmem_cache_free - Deallocate an object - * @cachep: The cache the allocation was from. - * @objp: The previously allocated object. - * - * Free an object which was previously allocated from this - * cache. - */ -void kmem_cache_free(struct kmem_cache *cache, void *objp) -{ - ddekit_log(DEBUG_SLAB_ALLOC, "\"%s\" (%p)", cache->name, objp); - - ddekit_lock_lock(&cache->cache_lock); - ddekit_slab_free(cache->ddekit_slab_cache, objp); - ddekit_lock_unlock(&cache->cache_lock); -} - - -/** - * kmem_cache_alloc - Allocate an object - * @cachep: The cache to allocate from. - * @flags: See kmalloc(). - * - * Allocate an object from this cache. The flags are only relevant - * if the cache has no available objects. - */ -void *kmem_cache_alloc(struct kmem_cache *cache, gfp_t flags) -{ - void *ret; - - ddekit_log(DEBUG_SLAB_ALLOC, "\"%s\" flags=%x", cache->name, flags); - - ddekit_lock_lock(&cache->cache_lock); - ret = ddekit_slab_alloc(cache->ddekit_slab_cache); - ddekit_lock_unlock(&cache->cache_lock); - - // XXX: is it valid to run ctor AND memset to zero? - if (flags & __GFP_ZERO) - memset(ret, 0, cache->size); - else if (cache->ctor) - cache->ctor(ret); - - return ret; -} - - -/** - * kmem_cache_destroy - delete a cache - * @cachep: the cache to destroy - * - * Remove a struct kmem_cache object from the slab cache. - * Returns 0 on success. - * - * It is expected this function will be called by a module when it is - * unloaded. This will remove the cache completely, and avoid a duplicate - * cache being allocated each time a module is loaded and unloaded, if the - * module doesn't have persistent in-kernel storage across loads and unloads. - * - * The cache must be empty before calling this function. - * - * The caller must guarantee that noone will allocate memory from the cache - * during the kmem_cache_destroy(). - */ -void kmem_cache_destroy(struct kmem_cache *cache) -{ - ddekit_log(DEBUG_SLAB, "\"%s\"", cache->name); - - ddekit_slab_destroy(cache->ddekit_slab_cache); - ddekit_simple_free(cache); -} - - -/** - * kmem_cache_create - Create a cache. - * @name: A string which is used in /proc/slabinfo to identify this cache. - * @size: The size of objects to be created in this cache. - * @align: The required alignment for the objects. - * @flags: SLAB flags - * @ctor: A constructor for the objects. - * - * Returns a ptr to the cache on success, NULL on failure. - * Cannot be called within a int, but can be interrupted. - * The @ctor is run when new pages are allocated by the cache - * and the @dtor is run before the pages are handed back. - * - * @name must be valid until the cache is destroyed. This implies that - * the module calling this has to destroy the cache before getting unloaded. - * - * The flags are - * - * %SLAB_POISON - Poison the slab with a known test pattern (a5a5a5a5) - * to catch references to uninitialised memory. - * - * %SLAB_RED_ZONE - Insert `Red' zones around the allocated memory to check - * for buffer overruns. - * - * %SLAB_HWCACHE_ALIGN - Align the objects in this cache to a hardware - * cacheline. This can be beneficial if you're counting cycles as closely - * as davem. - */ -struct kmem_cache * kmem_cache_create(const char *name, size_t size, size_t align, - unsigned long flags, - void (*ctor)(void *)) -{ - ddekit_log(DEBUG_SLAB, "\"%s\" obj_size=%d", name, size); - - struct kmem_cache *cache; - - if (!name) { - printk("kmem_cache name reqeuired\n"); - return 0; - } - - cache = ddekit_simple_malloc(sizeof(*cache)); - if (!cache) { - printk("No memory for slab cache\n"); - return 0; - } - - /* Initialize a physically contiguous cache for kmem */ - if (!(cache->ddekit_slab_cache = ddekit_slab_init(size, 1))) { - printk("DDEKit slab init failed\n"); - ddekit_simple_free(cache); - return 0; - } - - cache->name = name; - cache->size = size; - cache->ctor = ctor; - - ddekit_lock_init_unlocked(&cache->cache_lock); - - return cache; -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/local.h.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/local.h.svn-base deleted file mode 100644 index 35b3e449..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/local.h.svn-base +++ /dev/null @@ -1,99 +0,0 @@ -#ifndef __DDE26_LOCAL_H -#define __DDE26_LOCAL_H - -#include <linux/sched.h> - -#include <l4/dde/ddekit/assert.h> -#include <l4/dde/ddekit/condvar.h> -#include <l4/dde/ddekit/debug.h> -#include <l4/dde/ddekit/initcall.h> -#include <l4/dde/ddekit/interrupt.h> -#include <l4/dde/ddekit/lock.h> -#include <l4/dde/ddekit/memory.h> -#include <l4/dde/ddekit/panic.h> -#include <l4/dde/ddekit/pci.h> -#include <l4/dde/ddekit/pgtab.h> -#include <l4/dde/ddekit/printf.h> -#include <l4/dde/ddekit/resources.h> -#include <l4/dde/ddekit/semaphore.h> -#include <l4/dde/ddekit/thread.h> -#include <l4/dde/ddekit/types.h> -#include <l4/dde/ddekit/timer.h> - -#include <l4/dde/linux26/dde26.h> - -#define DDE_DEBUG 1 -#define DDE_FERRET 0 - -/* Ferret Debugging stuff, note that this is the only point we are using - * L4 headers directly and only for debugging. */ -#if DDE_FERRET -#include <l4/ferret/maj_min.h> -#include <l4/ferret/client.h> -#include <l4/ferret/clock.h> -#include <l4/ferret/types.h> -#include <l4/ferret/sensors/list_producer.h> -#include <l4/ferret/sensors/list_producer_wrap.h> -extern ferret_list_local_t *ferret_ore_sensor; -#endif - -/*** - * Internal representation of a Linux kernel thread. This struct - * contains Linux' data as well as some additional data used by DDE. - */ -typedef struct dde26_thread_data -{ - /* NOTE: _threadinfo needs to be first in this struct! */ - struct thread_info _thread_info; ///< Linux thread info (see current()) - ddekit_thread_t *_ddekit_thread; ///< underlying DDEKit thread - ddekit_sem_t *_sleep_lock; ///< lock used for sleep_interruptible() - struct pid _vpid; ///< virtual PID -} dde26_thread_data; - -#define LX_THREAD(thread_data) ((thread_data)->_thread_info) -#define LX_TASK(thread_data) ((thread_data)->_thread_info.task) -#define DDEKIT_THREAD(thread_data) ((thread_data)->_ddekit_thread) -#define SLEEP_LOCK(thread_data) ((thread_data)->_sleep_lock) -#define VPID_P(thread_data) (&(thread_data)->_vpid) - -#if DDE_DEBUG -#define WARN_UNIMPL printk("unimplemented: %s\n", __FUNCTION__) -#define DEBUG_MSG(msg, ...) printk("%s: \033[36m"msg"\033[0m\n", __FUNCTION__, ##__VA_ARGS__) - -#define DECLARE_INITVAR(name) \ - static struct { \ - int _initialized; \ - char *name; \ - } init_##name = {0, #name,} - -#define INITIALIZE_INITVAR(name) init_##name._initialized = 1 - -#define CHECK_INITVAR(name) \ - if (init_##name._initialized == 0) { \ - printk("DDE26: \033[31;1mUsing uninitialized subsystem: "#name"\033[0m\n"); \ - BUG(); \ - } - -#else /* !DDE_DEBUG */ - -#define WARN_UNIMPL do {} while(0) -#define DEBUG_MSG(...) do {} while(0) -#define DECLARE_INITVAR(name) -#define CHECK_INITVAR(name) do {} while(0) -#define INITIALIZE_INITVAR(name) do {} while(0) - -#endif - -/* since _thread_info always comes first in the thread_data struct, - * we can derive the dde26_thread_data from a task struct by simply - * dereferencing its thread_info pointer - */ -static dde26_thread_data *lxtask_to_ddethread(struct task_struct *t) -{ - return (dde26_thread_data *)(task_thread_info(t)); -} - -extern struct thread_info init_thread; -extern struct task_struct init_task; - -#endif diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/mm-helper.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/mm-helper.c.svn-base deleted file mode 100644 index 68c0213b..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/mm-helper.c.svn-base +++ /dev/null @@ -1,45 +0,0 @@ -/* Linux */ -#include <linux/gfp.h> -#include <linux/string.h> -#include <asm/page.h> - -/* DDEKit */ -#include <l4/dde/ddekit/memory.h> -#include <l4/dde/ddekit/assert.h> -#include <l4/dde/ddekit/panic.h> - -#include "local.h" - -int ioprio_best(unsigned short aprio, unsigned short bprio) -{ - WARN_UNIMPL; - return 0; -} - -void *__alloc_bootmem(unsigned long size, unsigned long align, - unsigned long goal) -{ - WARN_UNIMPL; - return 0; -} - -/* - * Stolen from linux-2.6.29/fs/libfs.c - */ -ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos, - const void *from, size_t available) -{ - loff_t pos = *ppos; - if (pos < 0) - return -EINVAL; - if (pos > available) - return 0; - if (count > available - pos) - count = available - pos; - memcpy(to, from + pos, count); - *ppos = pos + count; - - return count; -} - -int capable(int f) { return 1; } diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/net.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/net.c.svn-base deleted file mode 100644 index d6637d96..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/net.c.svn-base +++ /dev/null @@ -1,36 +0,0 @@ -/****************************************************************************** - * DDELinux networking utilities. * - * * - * Bjoern Doebel <doebel@tudos.org> * - * * - * (c) 2005 - 2007 Technische Universitaet Dresden * - * This file is part of DROPS, which is distributed under the terms of the * - * GNU General Public License 2. Please see the COPYING file for details. * - ******************************************************************************/ - -#include <l4/dde/linux26/dde26_net.h> - -#include <linux/kernel.h> -#include <linux/skbuff.h> - -#include "local.h" - - -/* Callback function to be called if a network packet arrives and needs to - * be handled by netif_rx() or netif_receive_skb() - */ -linux_rx_callback l4dde26_rx_callback = NULL; - - -/* Register a netif_rx callback function. - * - * \return pointer to old callback function - */ -linux_rx_callback l4dde26_register_rx_callback(linux_rx_callback cb) -{ - linux_rx_callback old = l4dde26_rx_callback; - l4dde26_rx_callback = cb; - DEBUG_MSG("New rx callback @ %p.", cb); - - return old; -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/page_alloc.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/page_alloc.c.svn-base deleted file mode 100644 index 0a2e3fdf..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/page_alloc.c.svn-base +++ /dev/null @@ -1,281 +0,0 @@ -/* - * \brief Page allocation - * \author Christian Helmuth <ch12@tudos.org> - * Bjoern Doebel <doebel@tudos.org> - * \date 2007-01-22 - * - * In Linux 2.6 this resides in mm/page_alloc.c. - * - * This implementation is far from complete as it does not cover "struct page" - * emulation. In Linux, there's an array of structures for all pages. In - * particular, iteration works for this array like: - * - * struct page *p = alloc_pages(3); // p refers to first page of allocation - * ++p; // p refers to second page - * - * There may be more things to cover and we should have a deep look into the - * kernel parts we want to reuse. Candidates for problems may be file systems, - * storage (USB, IDE), and video (bttv). - */ - -/* Linux */ -#include <linux/gfp.h> -#include <linux/string.h> -#include <linux/pagevec.h> -#include <linux/mm.h> -#include <asm/page.h> - -/* DDEKit */ -#include <l4/dde/ddekit/memory.h> -#include <l4/dde/ddekit/assert.h> -#include <l4/dde/ddekit/panic.h> - -#include "local.h" - -unsigned long max_low_pfn; -unsigned long min_low_pfn; -unsigned long max_pfn; - -/******************* - ** Configuration ** - *******************/ - -#define DEBUG_PAGE_ALLOC 0 - - -/* - * DDE page cache - * - * We need to store all pages somewhere (which in the Linux kernel is - * performed by the huge VM infrastructure. Purpose for us is: - * - make virt_to_phys() work - * - enable external clients to hand in memory (e.g., a dm_phys - * dataspace and make it accessible as Linux pages to the DDE) - */ - -#define DDE_PAGE_CACHE_SHIFT 10 -#define DDE_PAGE_CACHE_SIZE (1 << DDE_PAGE_CACHE_SHIFT) -#define DDE_PAGE_CACHE_MASK (DDE_PAGE_CACHE_SIZE - 1) - -typedef struct -{ - struct hlist_node list; - struct page *page; -} page_cache_entry; - -static struct hlist_head dde_page_cache[DDE_PAGE_CACHE_SIZE]; - -/** Hash function to map virtual addresses to page cache buckets. */ -#define VIRT_TO_PAGEHASH(a) ((((unsigned long)a) >> PAGE_SHIFT) & DDE_PAGE_CACHE_MASK) - - -void dde_page_cache_add(struct page *p) -{ - unsigned int hashval = VIRT_TO_PAGEHASH(p->virtual); - - page_cache_entry *e = kmalloc(sizeof(page_cache_entry), GFP_KERNEL); - -#if DEBUG_PAGE_ALLOC - DEBUG_MSG("virt %p, hash: %x", p->virtual, hashval); -#endif - - e->page = p; - INIT_HLIST_NODE(&e->list); - - hlist_add_head(&e->list, &dde_page_cache[hashval]); -} - - -void dde_page_cache_remove(struct page *p) -{ - unsigned int hashval = VIRT_TO_PAGEHASH(p->virtual); - struct hlist_node *hn = NULL; - struct hlist_head *h = &dde_page_cache[hashval]; - page_cache_entry *e = NULL; - struct hlist_node *v = NULL; - - hlist_for_each_entry(e, hn, h, list) { - if ((unsigned long)e->page->virtual == ((unsigned long)p->virtual & PAGE_MASK)) - v = hn; - break; - } - - if (v) { -#if DEBUG_PAGE_ALLOC - DEBUG_MSG("deleting node %p which contained page %p", v, p); -#endif - hlist_del(v); - } -} - - -struct page* dde_page_lookup(unsigned long va) -{ - unsigned int hashval = VIRT_TO_PAGEHASH(va); - - struct hlist_node *hn = NULL; - struct hlist_head *h = &dde_page_cache[hashval]; - page_cache_entry *e = NULL; - - hlist_for_each_entry(e, hn, h, list) { - if ((unsigned long)e->page->virtual == (va & PAGE_MASK)) - return e->page; - } - - return NULL; -} - - -struct page * __alloc_pages_internal(gfp_t gfp_mask, unsigned int order, - struct zonelist *zonelist, nodemask_t *nm) -{ - /* XXX: In fact, according to order, we should have one struct page - * for every page, not only for the first one. - */ - struct page *ret = kmalloc(sizeof(*ret), GFP_KERNEL); - - ret->virtual = (void *)__get_free_pages(gfp_mask, order); - dde_page_cache_add(ret); - - return ret; -} - - -unsigned long __get_free_pages(gfp_t gfp_mask, unsigned int order) -{ - ddekit_log(DEBUG_PAGE_ALLOC, "gfp_mask=%x order=%d (%d bytes)", - gfp_mask, order, PAGE_SIZE << order); - - Assert(gfp_mask != GFP_DMA); - void *p = ddekit_large_malloc(PAGE_SIZE << order); - - return (unsigned long)p; -} - - -unsigned long get_zeroed_page(gfp_t gfp_mask) -{ - unsigned long p = __get_free_pages(gfp_mask, 0); - - if (p) memset((void *)p, 0, PAGE_SIZE); - - return (unsigned long)p; -} - - -void free_hot_page(struct page *page) -{ - WARN_UNIMPL; -} - -/* - * XXX: If alloc_pages() gets fixed to allocate a page struct per page, - * this needs to be adapted, too. - */ -void __free_pages(struct page *page, unsigned int order) -{ - free_pages((unsigned long)page->virtual, order); - dde_page_cache_remove(page); -} - -void __pagevec_free(struct pagevec *pvec) -{ - WARN_UNIMPL; -} - -int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - unsigned long start, int len, int write, int force, - struct page **pages, struct vm_area_struct **vmas) -{ - WARN_UNIMPL; - return 0; -} - -/** - * ... - * - * XXX order may be larger than allocation at 'addr' - it may comprise several - * allocation via __get_free_pages()! - */ -void free_pages(unsigned long addr, unsigned int order) -{ - ddekit_log(DEBUG_PAGE_ALLOC, "addr=%p order=%d", (void *)addr, order); - - ddekit_large_free((void *)addr); -} - - -unsigned long __pa(volatile void *addr) -{ - return ddekit_pgtab_get_physaddr((void*)addr); -} - -void *__va(unsigned long addr) -{ - return (void*)ddekit_pgtab_get_virtaddr((ddekit_addr_t) addr); -} - - -int set_page_dirty_lock(struct page *page) -{ - WARN_UNIMPL; - return 0; -} - - -/* - * basically copied from linux/mm/page_alloc.c - */ -void *__init alloc_large_system_hash(const char *tablename, - unsigned long bucketsize, - unsigned long numentries, - int scale, - int flags, - unsigned int *_hash_shift, - unsigned int *_hash_mask, - unsigned long limit) -{ - void * table = NULL; - unsigned long log2qty; - unsigned long size; - - if (numentries == 0) - numentries = 1024; - - log2qty = ilog2(numentries); - size = bucketsize << log2qty; - - do { - unsigned long order; - for (order = 0; ((1UL << order) << PAGE_SHIFT) < size; order++); - table = (void*) __get_free_pages(GFP_ATOMIC, order); - } while (!table && size > PAGE_SIZE && --log2qty); - - if (!table) - panic("Failed to allocate %s hash table\n", tablename); - - printk("%s hash table entries: %d (order: %d, %lu bytes)\n", - tablename, - (1U << log2qty), - ilog2(size) - PAGE_SHIFT, - size); - - if (_hash_shift) - *_hash_shift = log2qty; - if (_hash_mask) - *_hash_mask = (1 << log2qty) - 1; - - return table; -} - - -static void __init dde_page_cache_init(void) -{ - printk("Initializing DDE page cache\n"); - int i=0; - - for (i; i < DDE_PAGE_CACHE_SIZE; ++i) - INIT_HLIST_HEAD(&dde_page_cache[i]); -} - -core_initcall(dde_page_cache_init); diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/param.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/param.c.svn-base deleted file mode 100644 index 5bd83f32..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/param.c.svn-base +++ /dev/null @@ -1,32 +0,0 @@ -#include <linux/moduleparam.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/err.h> -#include <linux/slab.h> - -/* Lazy bastard, eh? */ -#define STANDARD_PARAM_DEF(name, type, format, tmptype, strtolfn) \ - int param_set_##name(const char *val, struct kernel_param *kp) \ - { \ - return 0; \ - } \ - int param_get_##name(char *buffer, struct kernel_param *kp) \ - { \ - return 0;\ - } - -STANDARD_PARAM_DEF(byte, unsigned char, "%c", unsigned long, simple_strtoul); -STANDARD_PARAM_DEF(short, short, "%hi", long, simple_strtol); -STANDARD_PARAM_DEF(ushort, unsigned short, "%hu", unsigned long, simple_strtoul); -STANDARD_PARAM_DEF(int, int, "%i", long, simple_strtol); -STANDARD_PARAM_DEF(uint, unsigned int, "%u", unsigned long, simple_strtoul); -STANDARD_PARAM_DEF(long, long, "%li", long, simple_strtol); -STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", unsigned long, simple_strtoul); - -int printk_ratelimit(void) -{ - return 0; -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/pci.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/pci.c.svn-base deleted file mode 100644 index 2a0391f2..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/pci.c.svn-base +++ /dev/null @@ -1,189 +0,0 @@ -#include "local.h" - -#include <linux/delay.h> -#include <linux/pci.h> -#include <linux/list.h> -#include <linux/init.h> - -/* will include $(CONTRIB)/drivers/pci/pci.h */ -#include "pci.h" - -DECLARE_INITVAR(dde26_pci); - -/** PCI device descriptor */ -typedef struct l4dde_pci_dev { - struct list_head next; /**< chain info */ - struct ddekit_pci_dev *ddekit_dev; /**< corresponding DDEKit descriptor */ - struct pci_dev *linux_dev; /**< Linux descriptor */ -} l4dde_pci_dev_t; - - -/******************************************************************************************* - ** PCI data ** - *******************************************************************************************/ -/** List of Linux-DDEKit PCIDev mappings */ -static LIST_HEAD(pcidev_mappings); - -/** PCI bus */ -static struct pci_bus *pci_bus = NULL; - -static int l4dde26_pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val); -static int l4dde26_pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val); - -/** PCI operations for our virtual PCI bus */ -static struct pci_ops dde_pcibus_ops = { - .read = l4dde26_pci_read, - .write = l4dde26_pci_write, -}; - - -/******************************************************************************************* - ** Read/write PCI config space. This is simply mapped to the DDEKit functions. ** - *******************************************************************************************/ -static int l4dde26_pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val) -{ - return ddekit_pci_read(bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, val); -} - -static int l4dde26_pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) -{ - return ddekit_pci_write(bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, val); -} - -int pci_irq_enable(struct pci_dev *dev) -{ - int irq = dev->irq; - int pin = 0; - int ret; - - DEBUG_MSG("dev %p", dev); - if (!dev) - return -EINVAL; - - pin = (int)dev->pin; - DEBUG_MSG("irq %d, pin %d", dev->irq, dev->pin); - if (!pin) { - dev_warn(&dev->dev, - "No interrupt pin configured for device %s\n", - pci_name(dev)); - return 0; - } - pin--; - - ret = ddekit_pci_irq_enable(dev->bus->number, PCI_SLOT(dev->devfn), - PCI_FUNC(dev->devfn), pin, &irq); - if (ret) { - dev_warn(&dev->dev, "Interrupt enable failed for device %s (%d)\n", - pci_name(dev), ret); - return -1; - } - - dev_info(&dev->dev, "PCI INT %c -> GSI %d -> IRQ %d\n", - 'A' + pin, irq, dev->irq); - - dev->irq = irq; - return 0; -} - -int __pci_enable_device(struct pci_dev *dev) -{ - WARN_UNIMPL; - return 0; -} - - -/** - * pci_enable_device - Initialize device before it's used by a driver. - * - * Initialize device before it's used by a driver. Ask low-level code - * to enable I/O and memory. Wake up the device if it was suspended. - * Beware, this function can fail. - * - * \param dev PCI device to be initialized - * - */ -int -pci_enable_device(struct pci_dev *dev) -{ - CHECK_INITVAR(dde26_pci); -// WARN_UNIMPL; - return pci_irq_enable(dev); -} - - -/** - * pci_disable_device - Disable PCI device after use - * - * Signal to the system that the PCI device is not in use by the system - * anymore. This only involves disabling PCI bus-mastering, if active. - * - * \param dev PCI device to be disabled - */ -void pci_disable_device(struct pci_dev *dev) -{ - CHECK_INITVAR(dde26_pci); - WARN_UNIMPL; -} - - -void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev) -{ - //WARN_UNIMPL; -} - -void pci_set_master(struct pci_dev *dev) -{ - CHECK_INITVAR(dde26_pci); - WARN_UNIMPL; -} - - -int pci_create_sysfs_dev_files(struct pci_dev *pdev) -{ - return 0; -} - -unsigned int pcibios_assign_all_busses(void) -{ - return 1; -} - -void -pcibios_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) -{ - WARN_UNIMPL; -} - -int pcibios_enable_device(struct pci_dev *dev, int mask) -{ -#if 0 - int err; - - if ((err = pcibios_enable_resources(dev, mask)) < 0) - return err; - - return pcibios_enable_irq(dev); -#endif - return 0; -} - -/******************************************************************************************* - ** Initialization function ** - *******************************************************************************************/ - -/** Initialize DDELinux PCI subsystem. - */ -void __init l4dde26_init_pci(void) -{ - ddekit_pci_init(); - - pci_bus = pci_create_bus(NULL, 0, &dde_pcibus_ops, NULL); - Assert(pci_bus); - - pci_do_scan_bus(pci_bus); - - INITIALIZE_INITVAR(dde26_pci); -} - -arch_initcall(l4dde26_init_pci); diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/power.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/power.c.svn-base deleted file mode 100644 index e36487bd..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/power.c.svn-base +++ /dev/null @@ -1,23 +0,0 @@ -/* Dummy functions for power management. */ - -#include "local.h" -#include <linux/device.h> - -int device_pm_add(struct device * dev) -{ - WARN_UNIMPL; - return 0; -} - - -void device_pm_remove(struct device * dev) -{ - WARN_UNIMPL; -} - -int pm_qos_add_requirement(int qos, char *name, s32 value) { return 0; } -int pm_qos_update_requirement(int qos, char *name, s32 new_value) { return 0; } -void pm_qos_remove_requirement(int qos, char *name) { } -int pm_qos_requirement(int qos) { return 0; } -int pm_qos_add_notifier(int qos, struct notifier_block *notifier) { return 0; } -int pm_qos_remove_notifier(int qos, struct notifier_block *notifier) { return 0; } diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/process.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/process.c.svn-base deleted file mode 100644 index 5fe43b32..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/process.c.svn-base +++ /dev/null @@ -1,347 +0,0 @@ -#include <l4/dde/dde.h> -#include <l4/dde/linux26/dde26.h> - -#include <asm/atomic.h> - -#include <linux/init_task.h> -#include <linux/kernel.h> -#include <linux/kthread.h> -#include <linux/list.h> -#include <linux/thread_info.h> -#include <linux/sched.h> -#include <linux/pid.h> -#include <linux/vmalloc.h> - -#include "local.h" - -/***************************************************************************** - ** Current() implementation ** - *****************************************************************************/ -struct thread_info *current_thread_info(void) -{ - dde26_thread_data *cur = (dde26_thread_data *)ddekit_thread_get_my_data(); - return &LX_THREAD(cur); -} - -struct task_struct *get_current(void) -{ - return current_thread_info()->task; -} - -/***************************************************************************** - ** PID-related stuff ** - ** ** - ** Linux manages lists of PIDs that are handed out to processes so that at ** - ** a later point it is able to determine which task_struct belongs to a ** - ** certain PID. We implement this with a single list holding the mappings ** - ** for all our threads. ** - *****************************************************************************/ - -LIST_HEAD(_pid_task_list); -ddekit_lock_t _pid_task_list_lock; - -/** PID to task_struct mapping */ -struct pid2task -{ - struct list_head list; /**< list data */ - struct pid *pid; /**< PID */ - struct task_struct *ts; /**< task struct */ -}; - -struct pid init_struct_pid = INIT_STRUCT_PID; - -void put_pid(struct pid *pid) -{ - if (pid) - atomic_dec(&pid->count); - // no freeing here, our struct pid's are always allocated as - // part of the dde26_thread_data -} - -/** Attach PID to a certain task struct. */ -void attach_pid(struct task_struct *task, enum pid_type type - __attribute__((unused)), struct pid *pid) -{ - /* Initialize a new pid2task mapping */ - struct pid2task *pt = kmalloc(sizeof(struct pid2task), GFP_KERNEL); - pt->pid = get_pid(pid); - pt->ts = task; - - /* add to list */ - ddekit_lock_lock(&_pid_task_list_lock); - list_add(&pt->list, &_pid_task_list); - ddekit_lock_unlock(&_pid_task_list_lock); -} - -/** Detach PID from a task struct. */ -void detach_pid(struct task_struct *task, enum pid_type type __attribute__((unused))) -{ - struct list_head *p, *n, *h; - - h = &_pid_task_list; - - ddekit_lock_lock(&_pid_task_list_lock); - /* search for mapping with given task struct and free it if necessary */ - list_for_each_safe(p, n, h) { - struct pid2task *pt = list_entry(p, struct pid2task, list); - if (pt->ts == task) { - put_pid(pt->pid); - list_del(p); - kfree(pt); - break; - } - } - ddekit_lock_unlock(&_pid_task_list_lock); -} - -struct task_struct *find_task_by_pid_type(int type, int nr) -{ - struct list_head *h, *p; - h = &_pid_task_list; - - ddekit_lock_lock(&_pid_task_list_lock); - list_for_each(p, h) { - struct pid2task *pt = list_entry(p, struct pid2task, list); - if (pid_nr(pt->pid) == nr) { - ddekit_lock_unlock(&_pid_task_list_lock); - return pt->ts; - } - } - ddekit_lock_unlock(&_pid_task_list_lock); - - return NULL; -} - - -struct task_struct *find_task_by_pid_ns(int nr, struct pid_namespace *ns) -{ - /* we don't implement PID name spaces */ - return find_task_by_pid_type(0, nr); -} - -struct task_struct *find_task_by_pid(int nr) -{ - return find_task_by_pid_type(0, nr); -} - -/***************************************************************************** - ** kernel_thread() implementation ** - *****************************************************************************/ -/* Struct containing thread data for a newly created kthread. */ -struct __kthread_data -{ - int (*fn)(void *); - void *arg; - ddekit_lock_t lock; - dde26_thread_data *kthread; -}; - -/** Counter for running kthreads. It is used to create unique names - * for kthreads. - */ -static atomic_t kthread_count = ATOMIC_INIT(0); - -/** Entry point for new kernel threads. Make this thread a DDE26 - * worker and then execute the real thread fn. - */ -static void __kthread_helper(void *arg) -{ - struct __kthread_data *k = (struct __kthread_data *)arg; - - /* - * Make a copy of the fn and arg pointers, as the kthread struct is - * deleted by our parent after notifying it and this may happen before we - * get to execute the function. - */ - int (*_fn)(void*) = k->fn; - void *_arg = k->arg; - - l4dde26_process_add_worker(); - - /* - * Handshake with creator - we store our thread data in the - * kthread struct and then unlock the lock to notify our - * creator about completing setup - */ - k->kthread = (dde26_thread_data *)ddekit_thread_get_my_data(); - ddekit_lock_unlock(&k->lock); - - do_exit(_fn(_arg)); -} - -/** Our implementation of Linux' kernel_thread() function. Setup a new - * thread running our __kthread_helper() function. - */ -int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) -{ - ddekit_thread_t *t; - char name[20]; - struct __kthread_data *kt = vmalloc(sizeof(struct __kthread_data)); - ddekit_lock_t lock; - - /* Initialize (and grab) handshake lock */ - ddekit_lock_init(&lock); - ddekit_lock_lock(&lock); - - int threadnum = atomic_inc_return(&kthread_count); - kt->fn = fn; - kt->arg = arg; - kt->lock = lock; // Copy lock ptr, note that kt is freed by the - // new thread, so we MUST NOT use kt->lock after - // this point! - - snprintf(name, 20, ".kthread%x", threadnum); - t = ddekit_thread_create(__kthread_helper, - (void *)kt, name); - Assert(t); - - ddekit_lock_lock(&lock); - ddekit_lock_deinit(&lock); - - return pid_nr(VPID_P(kt->kthread)); -} - -/** Our implementation of exit(). For DDE purposes this only relates - * to kernel threads. - */ -void do_exit(long code) -{ - ddekit_thread_t *t = DDEKIT_THREAD(lxtask_to_ddethread(current)); -// printk("Thread %s exits with code %x\n", ddekit_thread_get_name(t), code); - - /* do some cleanup */ - detach_pid(current, 0); - - /* goodbye, cruel world... */ - ddekit_thread_exit(); -} - -/***************************************************************************** - ** Misc functions ** - *****************************************************************************/ - -void dump_stack(void) -{ -} - - -char *get_task_comm(char *buf, struct task_struct *tsk) -{ - char *ret; - /* buf must be at least sizeof(tsk->comm) in size */ - task_lock(tsk); - ret = strncpy(buf, tsk->comm, sizeof(tsk->comm)); - task_unlock(tsk); - return ret; -} - - -void set_task_comm(struct task_struct *tsk, char *buf) -{ - task_lock(tsk); - strlcpy(tsk->comm, buf, sizeof(tsk->comm)); - task_unlock(tsk); -} - - -/***************************************************************************** - ** DDEKit gluecode, init functions ** - *****************************************************************************/ -/* Initialize a dde26 thread. - * - * - Allocate thread data, as well as a Linux task struct, - * - Fill in default values for thread_info, and task, - * - Adapt task struct's thread_info backreference - * - Initialize the DDE sleep lock - */ -static dde26_thread_data *init_dde26_thread(void) -{ - /* - * Virtual PID counter - */ - static atomic_t pid_counter = ATOMIC_INIT(0); - dde26_thread_data *t = vmalloc(sizeof(dde26_thread_data)); - Assert(t); - - memcpy(&t->_vpid, &init_struct_pid, sizeof(struct pid)); - t->_vpid.numbers[0].nr = atomic_inc_return(&pid_counter); - - memcpy(&LX_THREAD(t), &init_thread, sizeof(struct thread_info)); - - LX_TASK(t) = vmalloc(sizeof(struct task_struct)); - Assert(LX_TASK(t)); - - memcpy(LX_TASK(t), &init_task, sizeof(struct task_struct)); - - /* nice: Linux backreferences a task`s thread_info from the - * task struct (which in turn can be found using the - * thread_info...) */ - LX_TASK(t)->stack = &LX_THREAD(t); - - /* initialize this thread's sleep lock */ - SLEEP_LOCK(t) = ddekit_sem_init(0); - - return t; -} - -/* Process setup for worker threads */ -int l4dde26_process_add_worker(void) -{ - dde26_thread_data *cur = init_dde26_thread(); - - /* If this function is called for a kernel_thread, the thread already has - * been set up and we just need to store a reference to the ddekit struct. - * However, this function may also be called directly to turn an L4 thread - * into a DDE thread. Then, we need to initialize here. */ - cur->_ddekit_thread = ddekit_thread_myself(); - if (cur->_ddekit_thread == NULL) - cur->_ddekit_thread = ddekit_thread_setup_myself(".dde26_thread"); - Assert(cur->_ddekit_thread); - - ddekit_thread_set_my_data(cur); - - attach_pid(LX_TASK(cur), 0, &cur->_vpid); - - /* Linux' default is to have this set to 1 initially and let the - * scheduler set this to 0 later on. - */ - current_thread_info()->preempt_count = 0; - - return 0; -} - - -/** - * Add an already existing DDEKit thread to the set of threads known to the - * Linux environment. This is used for the timer thread, which is actually a - * DDEKit thread, but Linux code shall see it as a Linux thread as well. - */ -int l4dde26_process_from_ddekit(ddekit_thread_t *t) -{ - Assert(t); - - dde26_thread_data *cur = init_dde26_thread(); - cur->_ddekit_thread = t; - ddekit_thread_set_data(t, cur); - attach_pid(LX_TASK(cur), 0, &cur->_vpid); - - return 0; -} - -/** Function to initialize the first DDE process. - */ -int __init l4dde26_process_init(void) -{ - ddekit_lock_init_unlocked(&_pid_task_list_lock); - - int kthreadd_pid = kernel_thread(kthreadd, NULL, CLONE_FS | CLONE_FILES); - kthreadd_task = find_task_by_pid(kthreadd_pid); - - l4dde26_process_add_worker(); - - return 0; -} - -DEFINE_PER_CPU(int, cpu_number); - -//dde_process_initcall(l4dde26_process_init); diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/res.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/res.c.svn-base deleted file mode 100644 index fbd2d09b..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/res.c.svn-base +++ /dev/null @@ -1,180 +0,0 @@ -#include "local.h" - -#include <linux/ioport.h> - -/** Request an IO port region. - * - * \param start start port - * \param n number of ports - * \param name name of allocator (unused) - * - * \return NULL error - * \return !=NULL success - * - * \bug Since no one in Linux uses this function's return value, - * we do not allocate and fill a resource struct. - */ -static struct resource *l4dde26_request_region(resource_size_t start, - resource_size_t n, - const char *name) -{ - int err = ddekit_request_io(start, n); - - if (err) - return NULL; - - return (struct resource *)1; -} - - -/** List of memory regions that have been requested. This is used to - * perform ioremap() and iounmap() - */ -static LIST_HEAD(dde_mem_regions); - -/** va->pa mapping used to store memory regions */ -struct dde_mem_region { - ddekit_addr_t pa; - ddekit_addr_t va; - unsigned int size; - struct list_head list; -}; - -void __iomem * ioremap(unsigned long phys_addr, unsigned long size); - -/** Request an IO memory region. - * - * \param start start address - * \param n size of memory area - * \param name name of allocator (unused) - * - * \return NULL error - * \return !=NULL success - * - * \bug Since no one in Linux uses this function's return value, - * we do not allocate and fill a resource struct. - */ -static struct resource *l4dde26_request_mem_region(resource_size_t start, - resource_size_t n, - const char *name) -{ - ddekit_addr_t va = 0; - struct dde_mem_region *mreg; - - // do not a resource request twice - if (ioremap(start, n)) - return (struct resource *)1; - - int i = ddekit_request_mem(start, n, &va); - - if (i) { - ddekit_printf("request_mem_region() failed (start %lx, size %x)", start, n); - return NULL; - } - - mreg = kmalloc(sizeof(struct dde_mem_region), GFP_KERNEL); - Assert(mreg); - - mreg->pa = start; - mreg->va = va; - mreg->size = n; - list_add(&mreg->list, &dde_mem_regions); - -#if 0 - ddekit_pgtab_set_region_with_size((void *)va, start, n, PTE_TYPE_OTHER); -#endif - - return (struct resource *)1; -} - - -struct resource * __request_region(struct resource *parent, - resource_size_t start, - resource_size_t n, - const char *name, int flags) -{ - Assert(parent); - Assert(parent->flags & IORESOURCE_IO || parent->flags & IORESOURCE_MEM); - - switch (parent->flags) - { - case IORESOURCE_IO: - return l4dde26_request_region(start, n, name); - case IORESOURCE_MEM: - return l4dde26_request_mem_region(start, n, name); - } - - return NULL; -} - - -/** Release IO port region. - */ -static void l4dde26_release_region(resource_size_t start, resource_size_t n) -{ - /* FIXME: we need a list of "struct resource"s that have been - * allocated by request_region() and then need to - * free this stuff here! */ - ddekit_release_io(start, n); -} - - -/** Release IO memory region. - */ -static void l4dde26_release_mem_region(resource_size_t start, resource_size_t n) -{ - ddekit_release_mem(start, n); - ddekit_pgtab_clear_region((void *)start, PTE_TYPE_OTHER); -} - - -int __check_region(struct resource *root, resource_size_t s, resource_size_t n) -{ - WARN_UNIMPL; - return -1; -} - -void __release_region(struct resource *root, resource_size_t start, - resource_size_t n) -{ - switch (root->flags) - { - case IORESOURCE_IO: - return l4dde26_release_region(start, n); - case IORESOURCE_MEM: - return l4dde26_release_mem_region(start, n); - } -} - - -/** Map physical I/O region into virtual address space. - * - * For our sake, this only returns the virtual address belonging to - * the physical region, since we don't manage page tables ourselves. - */ -void __iomem * ioremap(unsigned long phys_addr, unsigned long size) -{ - struct list_head *pos, *head; - head = &dde_mem_regions; - - list_for_each(pos, head) { - struct dde_mem_region *mreg = list_entry(pos, struct dde_mem_region, - list); - if (mreg->pa <= phys_addr && mreg->pa + mreg->size >= phys_addr + size) - return (void *)(mreg->va + (phys_addr - mreg->pa)); - } - - return NULL; -} - - -void __iomem * ioremap_nocache(unsigned long offset, unsigned long size) -{ - return ioremap(offset, size); -} - - -void iounmap(volatile void __iomem *addr) -{ - WARN_UNIMPL; -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/sched.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/sched.c.svn-base deleted file mode 100644 index b38520c6..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/sched.c.svn-base +++ /dev/null @@ -1,155 +0,0 @@ -#include "local.h" - -#include <linux/sched.h> - -DEFINE_RWLOCK(tasklist_lock); - -asmlinkage void preempt_schedule(void) -{ - WARN_UNIMPL; -} - - -/* Our version of scheduler invocation. - * - * Scheduling is performed by Fiasco, so we don't care about it as long as - * a thread is running. If a task becomes TASK_INTERRUPTIBLE or - * TASK_UNINTERRUPTIBLE, we make sure that the task does not become - * scheduled by locking the task's sleep lock. - */ -asmlinkage void schedule(void) -{ - dde26_thread_data *t = lxtask_to_ddethread(current); - - switch (current->state) { - case TASK_RUNNING: - ddekit_thread_schedule(); - break; - case TASK_INTERRUPTIBLE: - case TASK_UNINTERRUPTIBLE: - ddekit_sem_down(SLEEP_LOCK(t)); - break; - default: - panic("current->state = %d --- unknown state\n", current->state); - } -} - - -/** yield the current processor to other threads. - * - * this is a shortcut for kernel-space yielding - it marks the - * thread runnable and calls sys_sched_yield(). - */ -void __sched yield(void) -{ - set_current_state(TASK_RUNNING); - ddekit_yield(); -} - - -/*** - * try_to_wake_up - wake up a thread - * @p: the to-be-woken-up thread - * @state: the mask of task states that can be woken - * @sync: do a synchronous wakeup? - */ -int try_to_wake_up(struct task_struct *p, unsigned int state, int sync) -{ - Assert(p); - dde26_thread_data *t = lxtask_to_ddethread(p); - - Assert(t); - Assert(SLEEP_LOCK(t)); - - p->state = TASK_RUNNING; - ddekit_sem_up(SLEEP_LOCK(t)); - - return 0; -} - - -static void process_timeout(unsigned long data) -{ - wake_up_process((struct task_struct *)data); -} - - -signed long __sched schedule_timeout(signed long timeout) -{ - struct timer_list timer; - unsigned long expire = timeout + jiffies; - - setup_timer(&timer, process_timeout, (unsigned long)current); - timer.expires = expire; - - switch(timeout) - { - /* - * Hah! - * - * Specifying a @timeout value of %MAX_SCHEDULE_TIMEOUT will schedule - * the CPU away without a bound on the timeout. In this case the return - * value will be %MAX_SCHEDULE_TIMEOUT. - */ - case MAX_SCHEDULE_TIMEOUT: - schedule(); - break; - default: - add_timer(&timer); - schedule(); - del_timer(&timer); - break; - } - - timeout = expire - jiffies; - - return timeout < 0 ? 0 : timeout; -} - - -signed long __sched schedule_timeout_interruptible(signed long timeout) -{ - __set_current_state(TASK_INTERRUPTIBLE); - return schedule_timeout(timeout); -} - - -signed long __sched schedule_timeout_uninterruptible(signed long timeout) -{ - __set_current_state(TASK_UNINTERRUPTIBLE); - return schedule_timeout(timeout); -} - -/** Tasks may be forced to run only on a certain no. of CPUs. Since - * we only emulate a SMP-environment for the sake of having multiple - * threads, we do not need to implement this. - */ -int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask) -{ - return 0; -} - -void set_user_nice(struct task_struct *p, long nice) -{ - //WARN_UNIMPL; -} - -void __sched io_schedule(void) -{ - WARN_UNIMPL; -} - -long __sched io_schedule_timeout(long timeout) -{ - WARN_UNIMPL; - return -1; -} - -extern int sched_setscheduler_nocheck(struct task_struct *t, int flags, - struct sched_param *p) -{ - WARN_UNIMPL; - return -1; -} - -void ignore_signals(struct task_struct *t) { } diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/signal.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/signal.c.svn-base deleted file mode 100644 index bd0bc0a7..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/signal.c.svn-base +++ /dev/null @@ -1,24 +0,0 @@ -#include "local.h" - -/****************************************************************************** - ** Dummy signal implementation. ** - ** DDE does not provide its own signal implementation. To make it compile, ** - ** we provide dummy versions of signalling functions here. If later on ** - ** someone *REALLY* wants to use signals in the DDE context, he might ** - ** erase this file and use something like the L4 signalling library for ** - ** such purposes. ** -*******************************************************************************/ - -int sigprocmask(int how, sigset_t *set, sigset_t *oldset) -{ - return 0; -} - -void flush_signals(struct task_struct *t) -{ -} - -int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact) -{ - return 0; -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/smp.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/smp.c.svn-base deleted file mode 100644 index 1ebf08c2..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/smp.c.svn-base +++ /dev/null @@ -1,37 +0,0 @@ -#include <linux/cpumask.h> - -#include "local.h" - -static struct cpumask _possible = CPU_MASK_ALL; -static struct cpumask _online = CPU_MASK_CPU0; -static struct cpumask _present = CPU_MASK_CPU0; -static struct cpumask _active = CPU_MASK_CPU0; - -const struct cpumask *const cpu_possible_mask = &_possible; -const struct cpumask *const cpu_online_mask = &_online; -const struct cpumask *const cpu_present_mask = &_present; -const struct cpumask *const cpu_active_mask = &_active; - -cpumask_t cpu_mask_all = CPU_MASK_ALL; -int nr_cpu_ids = NR_CPUS; -const DECLARE_BITMAP(cpu_all_bits, NR_CPUS); - -/* cpu_bit_bitmap[0] is empty - so we can back into it */ -#define MASK_DECLARE_1(x) [x+1][0] = 1UL << (x) -#define MASK_DECLARE_2(x) MASK_DECLARE_1(x), MASK_DECLARE_1(x+1) -#define MASK_DECLARE_4(x) MASK_DECLARE_2(x), MASK_DECLARE_2(x+2) -#define MASK_DECLARE_8(x) MASK_DECLARE_4(x), MASK_DECLARE_4(x+4) - -const unsigned long cpu_bit_bitmap[BITS_PER_LONG+1][BITS_TO_LONGS(NR_CPUS)] = { - MASK_DECLARE_8(0), MASK_DECLARE_8(8), - MASK_DECLARE_8(16), MASK_DECLARE_8(24), -#if BITS_PER_LONG > 32 - MASK_DECLARE_8(32), MASK_DECLARE_8(40), - MASK_DECLARE_8(48), MASK_DECLARE_8(56), -#endif -}; - -void __smp_call_function_single(int cpuid, struct call_single_data *data) -{ - data->func(data->info); -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/softirq.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/softirq.c.svn-base deleted file mode 100644 index 21b36d17..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/softirq.c.svn-base +++ /dev/null @@ -1,267 +0,0 @@ -#include "local.h" - -#include <linux/interrupt.h> - -/* There are at most 32 softirqs in Linux, but only 6 are really used. */ -#define NUM_SOFTIRQS 6 - -DECLARE_INITVAR(dde26_softirq); - -/* softirq threads and their wakeup semaphores */ -ddekit_thread_t *dde_softirq_thread; -ddekit_sem_t *dde_softirq_sem; - -/* struct tasklet_head is not defined in a header in Linux 2.6 */ -struct tasklet_head -{ - struct tasklet_struct *list; - ddekit_lock_t lock; /* list lock */ -}; - -/* What to do if a softirq occurs. */ -static struct softirq_action softirq_vec[32]; - -/* tasklet queues for each softirq thread */ -struct tasklet_head tasklet_vec; -struct tasklet_head tasklet_hi_vec; - -void open_softirq(int nr, void (*action)(struct softirq_action*)) -{ - softirq_vec[nr].action = action; -} - -static void raise_softirq_irqoff_cpu(unsigned int nr, unsigned int cpu) -{ - CHECK_INITVAR(dde26_softirq); - - /* mark softirq scheduled */ - __raise_softirq_irqoff(nr); - /* wake softirq thread */ - ddekit_sem_up(dde_softirq_sem); -} - -void raise_softirq_irqoff(unsigned int nr) -{ - raise_softirq_irqoff_cpu(nr, 0); -} - -void raise_softirq(unsigned int nr) -{ - unsigned long flags; - - local_irq_save(flags); - raise_softirq_irqoff(nr); - local_irq_restore(flags); -} - -/** - * Initialize tasklet. - */ -void tasklet_init(struct tasklet_struct *t, - void (*func)(unsigned long), unsigned long data) -{ - t->next = NULL; - t->state = 0; - atomic_set(&t->count, 0); - t->func = func; - t->data = data; -} - -/* enqueue tasklet */ -static void __tasklet_enqueue(struct tasklet_struct *t, - struct tasklet_head *listhead) -{ - ddekit_lock_lock(&listhead->lock); - t->next = listhead->list; - listhead->list = t; - ddekit_lock_unlock(&listhead->lock); -} - -void __tasklet_schedule(struct tasklet_struct *t) -{ - unsigned long flags; - - CHECK_INITVAR(dde26_softirq); - - local_irq_save(flags); - - __tasklet_enqueue(t, &tasklet_vec); - /* raise softirq */ - raise_softirq_irqoff_cpu(TASKLET_SOFTIRQ, 0); - - local_irq_restore(flags); -} - -void __tasklet_hi_schedule(struct tasklet_struct *t) -{ - unsigned long flags; - - CHECK_INITVAR(dde26_softirq); - - local_irq_save(flags); - __tasklet_enqueue(t, &tasklet_hi_vec); - raise_softirq_irqoff_cpu(HI_SOFTIRQ, 0); - local_irq_restore(flags); -} - -/* Execute tasklets */ -static void tasklet_action(struct softirq_action *a) -{ - struct tasklet_struct *list; - - ddekit_lock_lock(&tasklet_vec.lock); - list = tasklet_vec.list; - tasklet_vec.list = NULL; - ddekit_lock_unlock(&tasklet_vec.lock); - - while (list) { - struct tasklet_struct *t = list; - - list = list->next; - - if (tasklet_trylock(t)) { - if (!atomic_read(&t->count)) { - if (!test_and_clear_bit(TASKLET_STATE_SCHED, &t->state)) - BUG(); - t->func(t->data); - tasklet_unlock(t); - continue; - } - tasklet_unlock(t); - } - - ddekit_lock_lock(&tasklet_vec.lock); - t->next = tasklet_vec.list; - tasklet_vec.list = t; - raise_softirq_irqoff_cpu(TASKLET_SOFTIRQ, 0); - ddekit_lock_unlock(&tasklet_vec.lock); - } -} - - -static void tasklet_hi_action(struct softirq_action *a) -{ - struct tasklet_struct *list; - - ddekit_lock_lock(&tasklet_hi_vec.lock); - list = tasklet_hi_vec.list; - tasklet_hi_vec.list = NULL; - ddekit_lock_unlock(&tasklet_hi_vec.lock); - - while (list) { - struct tasklet_struct *t = list; - - list = list->next; - - if (tasklet_trylock(t)) { - if (!atomic_read(&t->count)) { - if (!test_and_clear_bit(TASKLET_STATE_SCHED, &t->state)) - BUG(); - t->func(t->data); - tasklet_unlock(t); - continue; - } - tasklet_unlock(t); - } - - ddekit_lock_lock(&tasklet_hi_vec.lock); - t->next = tasklet_hi_vec.list; - tasklet_hi_vec.list = t; - raise_softirq_irqoff_cpu(HI_SOFTIRQ, 0); - ddekit_lock_unlock(&tasklet_hi_vec.lock); - } -} - - -#define MAX_SOFTIRQ_RETRIES 10 - -/** Run softirq handlers - */ -void __do_softirq(void) -{ - int retries = MAX_SOFTIRQ_RETRIES; - do { - struct softirq_action *h = softirq_vec; - unsigned long pending = local_softirq_pending(); - - /* reset softirq count */ - set_softirq_pending(0); - - /* While we have a softirq pending... */ - while (pending) { - /* need to execute current softirq? */ - if (pending & 1) - h->action(h); - /* try next softirq */ - h++; - /* remove pending flag for last softirq */ - pending >>= 1; - } - - /* Somebody might have scheduled another softirq in between - * (e.g., an IRQ thread or another tasklet). */ - } while (local_softirq_pending() && --retries); - -} - - -void do_softirq(void) -{ - unsigned long flags; - - local_irq_save(flags); - if (local_softirq_pending()) - __do_softirq(); - local_irq_restore(flags); -} - -/** Softirq thread function. - * - * Once started, a softirq thread waits for tasklets to be scheduled - * and executes them. - * - * \param arg # of this softirq thread so that it grabs the correct lock - * if multiple softirq threads are running. - */ -void l4dde26_softirq_thread(void *arg) -{ - printk("Softirq daemon starting\n"); - l4dde26_process_add_worker(); - - /* This thread will always be in a softirq, so set the - * corresponding flag right now. - */ - preempt_count() |= SOFTIRQ_MASK; - - while(1) { - ddekit_sem_down(dde_softirq_sem); - do_softirq(); - } -} - -/** Initialize softirq subsystem. - * - * Start NUM_SOFTIRQ_THREADS threads executing the \ref l4dde26_softirq_thread - * function. - */ -void l4dde26_softirq_init(void) -{ - char name[20]; - - dde_softirq_sem = ddekit_sem_init(0); - - set_softirq_pending(0); - - ddekit_lock_init_unlocked(&tasklet_vec.lock); - ddekit_lock_init_unlocked(&tasklet_hi_vec.lock); - - snprintf(name, 20, ".softirqd"); - dde_softirq_thread = ddekit_thread_create( - l4dde26_softirq_thread, - NULL, name); - - open_softirq(TASKLET_SOFTIRQ, tasklet_action); - open_softirq(HI_SOFTIRQ, tasklet_hi_action); - - INITIALIZE_INITVAR(dde26_softirq); -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/timer.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/timer.c.svn-base deleted file mode 100644 index ea04b67e..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/timer.c.svn-base +++ /dev/null @@ -1,184 +0,0 @@ -#include "local.h" - -#include <linux/timer.h> -#include <linux/fs.h> -#include <asm/delay.h> - -DECLARE_INITVAR(dde26_timer); - -/* Definitions from linux/kernel/timer.c */ - -/* - * per-CPU timer vector definitions: - */ -#define TVN_BITS (CONFIG_BASE_SMALL ? 4 : 6) -#define TVR_BITS (CONFIG_BASE_SMALL ? 6 : 8) -#define TVN_SIZE (1 << TVN_BITS) -#define TVR_SIZE (1 << TVR_BITS) -#define TVN_MASK (TVN_SIZE - 1) -#define TVR_MASK (TVR_SIZE - 1) - -typedef struct tvec_s { - struct list_head vec[TVN_SIZE]; -} tvec_t; - -typedef struct tvec_root_s { - struct list_head vec[TVR_SIZE]; -} tvec_root_t; - -struct tvec_base { - spinlock_t lock; - struct timer_list *running_timer; - unsigned long timer_jiffies; - tvec_root_t tv1; - tvec_t tv2; - tvec_t tv3; - tvec_t tv4; - tvec_t tv5; -} ____cacheline_aligned_in_smp; - -typedef struct tvec_t_base_s tvec_base_t; - -struct tvec_base boot_tvec_bases __attribute__((unused)); - -static DEFINE_PER_CPU(struct tvec_base *, tvec_bases) __attribute__((unused)) = &boot_tvec_bases; - -void init_timer(struct timer_list *timer) -{ - timer->ddekit_timer_id = DDEKIT_INVALID_TIMER_ID; -} - -void add_timer(struct timer_list *timer) -{ - CHECK_INITVAR(dde26_timer); - /* DDE2.6 uses jiffies and HZ as exported from L4IO. Therefore - * we just need to hand over the timeout to DDEKit. */ - timer->ddekit_timer_id = ddekit_add_timer((void *)timer->function, - (void *)timer->data, - timer->expires); -} - - -void add_timer_on(struct timer_list *timer, int cpu) -{ - add_timer(timer); -} - - -int del_timer(struct timer_list * timer) -{ - int ret; - CHECK_INITVAR(dde26_timer); - ret = ddekit_del_timer(timer->ddekit_timer_id); - timer->ddekit_timer_id = DDEKIT_INVALID_TIMER_ID; - - return ret >= 0; -} - -int del_timer_sync(struct timer_list *timer) -{ - return del_timer(timer); -} - - -int __mod_timer(struct timer_list *timer, unsigned long expires) -{ - /* XXX: Naive implementation. If we really need to be fast with - * this function, we can implement a faster version inside - * the DDEKit. Bjoern just does not think that this is the - * case. - */ - int r; - - CHECK_INITVAR(dde26_timer); - r = del_timer(timer); - - timer->expires = expires; - add_timer(timer); - - return (r > 0); -} - - -int mod_timer(struct timer_list *timer, unsigned long expires) -{ - return __mod_timer(timer, expires); -} - - -int timer_pending(const struct timer_list *timer) -{ - CHECK_INITVAR(dde26_timer); - /* There must be a valid DDEKit timer ID in the timer field - * *AND* it must be pending in the DDEKit. - */ - return ((timer->ddekit_timer_id != DDEKIT_INVALID_TIMER_ID) - && ddekit_timer_pending(timer->ddekit_timer_id)); -} - - -/** - * msleep - sleep safely even with waitqueue interruptions - * @msecs: Time in milliseconds to sleep for - */ -void msleep(unsigned int msecs) -{ - ddekit_thread_msleep(msecs); -} - - -void __const_udelay(unsigned long xloops) -{ - ddekit_thread_usleep(xloops); -} - - -void __udelay(unsigned long usecs) -{ - ddekit_thread_usleep(usecs); -} - - -void __ndelay(unsigned long nsecs) -{ - ddekit_thread_nsleep(nsecs); -} - - -void __init l4dde26_init_timers(void) -{ - ddekit_init_timers(); - - l4dde26_process_from_ddekit(ddekit_get_timer_thread()); - - INITIALIZE_INITVAR(dde26_timer); -} - -core_initcall(l4dde26_init_timers); - -extern unsigned long volatile __jiffy_data jiffies; - -__attribute__((weak)) void do_gettimeofday (struct timeval *tv) -{ - WARN_UNIMPL; -} - -struct timespec current_fs_time(struct super_block *sb) -{ - struct timespec now = {0,0}; - WARN_UNIMPL; - return now; -} - -ktime_t ktime_get_real(void) -{ - struct timespec now = {0,0}; - WARN_UNIMPL; - return timespec_to_ktime(now); -} - - -void native_io_delay(void) -{ - udelay(2); -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/vmalloc.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/vmalloc.c.svn-base deleted file mode 100644 index 134b80c3..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/vmalloc.c.svn-base +++ /dev/null @@ -1,30 +0,0 @@ -/****************************************************************************** - * Bjoern Doebel <doebel@tudos.org> * - * * - * (c) 2005 - 2007 Technische Universitaet Dresden * - * This file is part of DROPS, which is distributed under the terms of the * - * GNU General Public License 2. Please see the COPYING file for details. * - ******************************************************************************/ - -/* - * \brief vmalloc implementation - * \author Bjoern Doebel - * \date 2007-07-30 - */ - -/* Linux */ -#include <linux/vmalloc.h> - -/* DDEKit */ -#include <l4/dde/ddekit/memory.h> -#include <l4/dde/ddekit/lock.h> - -void *vmalloc(unsigned long size) -{ - return ddekit_simple_malloc(size); -} - -void vfree(const void *addr) -{ - ddekit_simple_free((void*)addr); -} diff --git a/libdde_linux26/lib/src/arch/l4/.svn/text-base/vmstat.c.svn-base b/libdde_linux26/lib/src/arch/l4/.svn/text-base/vmstat.c.svn-base deleted file mode 100644 index 2e87389e..00000000 --- a/libdde_linux26/lib/src/arch/l4/.svn/text-base/vmstat.c.svn-base +++ /dev/null @@ -1,34 +0,0 @@ -#include "local.h" - -#include <linux/fs.h> - -atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; - - -void dec_zone_page_state(struct page *page, enum zone_stat_item item) -{ - WARN_UNIMPL; -} - - -void inc_zone_page_state(struct page *page, enum zone_stat_item item) -{ - WARN_UNIMPL; -} - - -void __inc_zone_page_state(struct page *page, enum zone_stat_item item) -{ - WARN_UNIMPL; -} - -void __get_zone_counts(unsigned long *active, unsigned long *inactive, - unsigned long *free, struct pglist_data *pgdat) -{ - WARN_UNIMPL; -} - -void __dec_zone_state(struct zone *zone, enum zone_stat_item item) -{ - WARN_UNIMPL; -} |