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-rw-r--r--kernel/src/generic/vfs/evdev.cpp304
1 files changed, 0 insertions, 304 deletions
diff --git a/kernel/src/generic/vfs/evdev.cpp b/kernel/src/generic/vfs/evdev.cpp
deleted file mode 100644
index 4868473..0000000
--- a/kernel/src/generic/vfs/evdev.cpp
+++ /dev/null
@@ -1,304 +0,0 @@
-
-#include <generic/vfs/vfs.hpp>
-#include <generic/vfs/devfs.hpp>
-#include <generic/vfs/evdev.hpp>
-#include <etc/logging.hpp>
-
-#include <cstdint>
-
-vfs::evdev_node* evdev_head_node = 0;
-
-int evdev_num = 0;
-
-inline bool isdigit(char ch) {
- return ch >= '0' && ch <= '9';
-}
-
-inline long reverse_number(long num) {
- long reversed_num = 0;
-
- while(num > 0) {
- int digit = num % 10;
- reversed_num = reversed_num * 10 + digit;
- num /= 10;
- }
-
- return reversed_num;
-}
-
-vfs::evdev_node* evdev_find_by_num(int num) {
- vfs::evdev_node* dev = evdev_head_node;
- while (dev) {
- if (num == dev->num) {
- return dev;
- }
- dev = dev->next;
- }
-
- return 0;
-}
-
-vfs::evdev_node* evdev_find_dev(const char* loc) {
- vfs::evdev_node* dev = evdev_head_node;
- char temp[256];
- int len = strlen((char*)loc);
- int i = len - 1;
-
- evdev_num = 0;
-
- while (i >= 0 && isdigit(loc[i])) {
- evdev_num = evdev_num * 10 + (loc[i] - '0');
- i--;
- }
-
- evdev_num = reverse_number(evdev_num);
-
- memcpy(temp, loc, i + 1);
- temp[i + 1] = '\0';
-
- while (dev) {
- if (!strcmp(temp,"/event") && evdev_num == dev->num) {
- return dev;
- }
- dev = dev->next;
- }
-
- return 0;
-}
-
-std::int32_t __evdev__open(userspace_fd_t* fd, char* path) {
-
- if(path[0] == '\0' || (path[0] == '/' && path[1] == '\0'))
- return 0;
-
- vfs::evdev_node* node = evdev_find_dev(path);
- if(!node)
- return ENOENT;
-
- if(node->main_ring) {
- fd->queue = node->main_ring->ring.tail;
- fd->cycle = node->main_ring->ring.cycle;
- }
-
- return 0;
-}
-
-std::int32_t __evdev__stat(userspace_fd_t* fd, char* path, vfs::stat_t* out) {
- memset(out,0,sizeof(vfs::stat_t));
- if(path[0] == '\0' || (path[0] == '/' && path[1] == '\0')) {
- out->st_ino = 0;
- out->st_mode |= S_IFDIR;
- return 0;
- }
-
- vfs::evdev_node* node = evdev_find_dev(path);
- if(!node)
- return -EINVAL;
-
- out->st_ino = node->num + 1;
- out->st_mode = S_IFCHR;
- return 0;
-}
-
-std::int32_t __evdev__statx(userspace_fd_t* fd, char* path, int flags, int mask, statx_t* out) {
- memset(out,0,sizeof(statx_t));
-
- if(path[0] == '\0' || (path[0] == '/' && path[1] == '\0')) {
- out->stx_mask = STATX_BASIC_STATS;
- out->stx_blksize = 4096;
- out->stx_nlink = 0;
- out->stx_uid = 0;
- out->stx_gid = 0;
- out->stx_mode = S_IFDIR;
- out->stx_ino = 0;
- out->stx_size = 0;
- out->stx_blocks = 0;
- out->stx_atime.tv_sec = 0;
- out->stx_atime.tv_nsec = 0;
- out->stx_btime.tv_sec = 0;
- out->stx_btime.tv_nsec = 0;
- out->stx_ctime.tv_sec = 0;
- out->stx_ctime.tv_nsec = 0;
- out->stx_mtime.tv_sec = 0;
- out->stx_mtime.tv_nsec = 0;
- out->stx_rdev_major = 0;
- out->stx_rdev_minor = 0;
- out->stx_dev_major = 0;
- out->stx_dev_minor = 0;
- return 0;
- }
-
- vfs::evdev_node* node = evdev_find_dev(path);
- if(!node)
- return -EINVAL;
-
- out->stx_mask = STATX_BASIC_STATS;
- out->stx_blksize = 4096;
- out->stx_nlink = 0;
- out->stx_uid = 0;
- out->stx_gid = 0;
- out->stx_mode = S_IFCHR;
- out->stx_ino = node->num + 1;
- out->stx_size = 0;
- out->stx_blocks = 0;
- out->stx_atime.tv_sec = 0;
- out->stx_atime.tv_nsec = 0;
- out->stx_btime.tv_sec = 0;
- out->stx_btime.tv_nsec = 0;
- out->stx_ctime.tv_sec = 0;
- out->stx_ctime.tv_nsec = 0;
- out->stx_mtime.tv_sec = 0;
- out->stx_mtime.tv_nsec = 0;
- out->stx_rdev_major = 0;
- out->stx_rdev_minor = 0;
- out->stx_dev_major = 0;
- out->stx_dev_minor = 0;
- return 0;
-}
-
-std::int32_t __evdev__ls(userspace_fd_t* fd, char* path, vfs::dirent_t* out) {
-againdev:
- vfs::evdev_node* nod = 0;
-
- if(fd->rv0 == 0 & fd->rv1 == 0) {
- fd->rv0 = (std::uint64_t)evdev_head_node->next;
- nod = evdev_head_node;
- } else if(fd->rv0 != 0) {
- nod = (vfs::evdev_node*)fd->rv0;
- fd->rv0 = (std::uint64_t)nod->next;
- }
-
- if(!nod) {
- out->d_reclen = 0;
- memset(out->d_name,0,sizeof(out->d_name));
- return 0;
- }
-
- memset(out->d_name,0,sizeof(out->d_name));
- __printfbuf(out->d_name,1024,"event%d",nod->num);
-
- out->d_reclen = sizeof(vfs::dirent_t);
- out->d_ino = fd->rv1++;
- out->d_off = 0;
- out->d_type = S_IFCHR;
- fd->offset++;
- return 0;
-}
-
-std::int64_t __evdev__read(userspace_fd_t* fd, char* path, void* buffer, std::uint64_t count) {
- vfs::evdev_node* node = evdev_find_dev(path);
- if(!node) {
- vfs::vfs::unlock();
- return -ENOENT;
- }
-
- if(node->main_ring) {
- std::uint64_t c = node->main_ring->receivevals(buffer, count, &fd->cycle, &fd->queue);
- vfs::vfs::unlock();
- return c;
- }
- assert(0,"BROOOOOO");
- return -EFAULT;
-}
-
-std::int64_t __evdev__write(userspace_fd_t* fd, char* path, void* buffer, std::uint64_t size) {
- vfs::vfs::unlock();
- return -ENOTSUP;
-}
-
-int __bitmap_size(int c) {
- return ALIGNUP(c,8) / 8;
-}
-
-std::int32_t __evdev__ioctl(userspace_fd_t* fd, char* path, unsigned long req, void *arg, int *res) {
-
- vfs::evdev_node* node = evdev_find_dev(path);
- if(!node)
- return -EINVAL;
-
- std::uint64_t size = _IOC_SIZE(req);
-
- if (_IOC_DIR(req) == _IOC_READ && (_IOC_NR(req) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0))) {
- switch(_IOC_NR(req) & EV_MAX) {
- case 0:
- memcpy(arg,node->ev_bitmap->pool,__bitmap_size(EV_MAX));
- return 0;
- }
- assert(0,"doing req %d",_IOC_NR(req) & EV_MAX);
- } else {
- switch(EVIOC_MASK_SIZE(req)) {
- case EVIOCGNAME(0):
- memcpy(arg, node->name, size > strlen(node->name) ? size : strlen(node->name));
- return 0;
- };
- }
-
- assert(0, "ioctl req 0x%p arg 0x%p path %s rev 0x%p",EVIOC_MASK_SIZE(req),arg,path,_IOC_NR(req) & EV_MAX);
-}
-
-std::int64_t __evdev__poll(userspace_fd_t* fd, char* path, int operation_type) {
-
- vfs::evdev_node* node = evdev_find_dev(path);
- if(!node)
- return -EINVAL;
-
- if(!node->main_ring)
- return 0; // always return will block
-
- int ret;
- if(operation_type == POLLIN) {
- ret = 0;
- if(node->main_ring->isnotempty((int*)&fd->queue,(char*)&fd->cycle)) {
- ret = 1;
- }
-
- } else if(operation_type == POLLOUT) {
- ret = 1;
- }
- return ret;
-}
-
-#define BITS_PER_LONG (8 * sizeof(long))
-#define IS_SET(bit, array) ((array[(bit) / BITS_PER_LONG] >> ((bit) % BITS_PER_LONG)) & 1)
-
-int vfs::evdev::create(char* name, int type) {
- evdev_node* new_node = (evdev_node*)memory::pmm::_virtual::alloc(4096);
- new_node->num = evdev_num++;
- memcpy(new_node->path,"/event\0",7);
- new_node->main_ring = new evdev_modif_ring(256);
- memcpy(new_node->name,name,strlen(name) + 1);
-
- if(type == EVDEV_TYPE_KEYBOARD) {
- new_node->ev_bitmap = new Lists::Bitmap(EV_MAX + 1);
- new_node->ev_bitmap->set(EV_KEY);
- new_node->ev_bitmap->set(EV_REP);
- } else if(type == EVDEV_TYPE_MOUSE) {
- new_node->ev_bitmap = new Lists::Bitmap(EV_MAX + 1);
- new_node->ev_bitmap->set(EV_REL);
- new_node->ev_bitmap->set(EV_SYN);
- }
-
- new_node->next = evdev_head_node;
- new_node->type = type;
- evdev_head_node = new_node;
- Log::Display(LEVEL_MESSAGE_INFO,"evdev: new device /dev/input/event%d with name \"%s\" and type %d\n",new_node->num,name,type);
- return new_node->num;
-}
-
-void vfs::evdev::submit(int num, input_event event) {
- evdev_node* node = evdev_find_by_num(num);
- assert(node, "evdev node with num %d not found",num);
- assert(node->main_ring, "wtf !7&77177171???!?!!?771711771 %d %s 0x%p",num,node->name,node->main_ring);
- node->main_ring->send(event);
-}
-
-void vfs::evdev::mount(vfs_node_t* node) {
- node->open = __evdev__open;
- node->stat = __evdev__stat;
- node->statx = __evdev__statx;
- node->ls = __evdev__ls;
- node->read = __evdev__read;
- node->write = __evdev__write;
- node->poll = __evdev__poll;
- node->ioctl = __evdev__ioctl;
-} \ No newline at end of file
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