diff options
Diffstat (limited to 'sys/kern/kern_intr.c')
-rw-r--r-- | sys/kern/kern_intr.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/sys/kern/kern_intr.c b/sys/kern/kern_intr.c deleted file mode 100644 index 0c80334..0000000 --- a/sys/kern/kern_intr.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/intr.h> -#include <sys/queue.h> -#include <sys/mutex.h> -#include <vm/dynalloc.h> -#include <fs/procfs.h> -#include <string.h> -#include <assert.h> - -#define PROC_BUF_SIZE 4096 - -static TAILQ_HEAD(, intr_info) intrlist; -static struct mutex intrlist_lock = {0}; -static struct proc_entry *proc; - -static int -proc_read(struct proc_entry *entry, struct sio_txn *sio) -{ - struct intr_info *info; - char buf[PROC_BUF_SIZE]; - char *p = &buf[0]; - size_t idx = 0, len; - int res; - - mutex_acquire(&intrlist_lock); - TAILQ_FOREACH(info, &intrlist, link) { - __assert((sizeof(buf) - idx) > 0); - res = snprintf(p, sizeof(buf) - idx, - "CPU%d\t\t%d\t\t%s\t\t%s\n", - info->affinity, - info->count, - info->source, - info->device - ); - - if (res > 0) { - idx += res; - p += res; - } - - if (idx >= (PROC_BUF_SIZE - 1)) { - break; - } - } - - len = idx + 1; - buf[idx] = '\0'; - - if (sio->len > PROC_BUF_SIZE) - sio->len = PROC_BUF_SIZE; - if (len > sio->len) - len = sio->len; - - memcpy(sio->buf, buf, len); - mutex_release(&intrlist_lock); - return len; -} - -/* - * Register an interrupt stat - * - * @source: Source of interrupt (e.g IOAPIC) - * @dev: Device (e.g i8042) - */ -struct intr_info * -intr_info_alloc(const char *source, const char *dev) -{ - struct intr_info *intr; - - intr = dynalloc(sizeof(*intr)); - if (intr == NULL) - return NULL; - - memset(intr, 0, sizeof(*intr)); - intr->source = source; - intr->device = dev; - return intr; -} - -void -intr_register(struct intr_info *info) -{ - if (info == NULL) - return; - - TAILQ_INSERT_TAIL(&intrlist, info, link); -} - -void -intr_init_proc(void) -{ - /* Init the interrupt list */ - TAILQ_INIT(&intrlist); - - /* Setup /proc/interrupts */ - proc = procfs_alloc_entry(); - proc->read = proc_read; - procfs_add_entry("interrupts", proc); -} |