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authorIan Moffett <ian@osmora.org>2024-06-24 22:55:29 -0400
committerIan Moffett <ian@osmora.org>2024-06-24 22:55:29 -0400
commit236963e7563be3e3f8220dac7bb4af446928e194 (patch)
treee521ea226db0345bbb3679fffe09d96254b7dc73 /sys/kern/kern_syslog.c
parent214eadc62b5578f76c98a38a28f8b3d80ac4d6ad (diff)
Clean out for expt
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/kern/kern_syslog.c')
-rw-r--r--sys/kern/kern_syslog.c168
1 files changed, 0 insertions, 168 deletions
diff --git a/sys/kern/kern_syslog.c b/sys/kern/kern_syslog.c
deleted file mode 100644
index 86877e0..0000000
--- a/sys/kern/kern_syslog.c
+++ /dev/null
@@ -1,168 +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/syslog.h>
-#include <sys/machdep.h>
-#include <sys/tty.h>
-#include <sys/cdefs.h>
-#include <sys/timer.h>
-#include <sys/spinlock.h>
-#include <dev/vcons/vcons.h>
-#include <fs/procfs.h>
-#include <string.h>
-
-#if defined(__KMSG_BUF_SHIFT)
-#define KMSG_BUF_SHIFT __KMSG_BUF_SHIFT
-#else
-#define KMSG_BUF_SHIFT 12
-#endif
-
-#define KMSG_BUF_SIZE (1 << KMSG_BUF_SHIFT)
-
-__STATIC_ASSERT(KMSG_BUF_SHIFT <= 16, "Log buffer shift too large!\n");
-
-static char kmsg_buf[KMSG_BUF_SIZE];
-static size_t kmsg_buf_idx = 0;
-static struct proc_entry *kmsg_proc;
-static struct spinlock lock = {0};
-
-struct vcons_screen g_syslog_screen = {0};
-bool g_syslog_use_tty = true;
-
-static inline void
-kmsg_buf_putc(char c)
-{
- kmsg_buf[kmsg_buf_idx++] = c;
- kmsg_buf[kmsg_buf_idx] = '\0';
- if (kmsg_buf_idx >= (KMSG_BUF_SIZE - 1))
- kmsg_buf_idx = 0;
-}
-
-static int
-proc_kmsg_read(struct proc_entry *p, struct sio_txn *sio)
-{
- if (sio->len > KMSG_BUF_SIZE)
- sio->len = KMSG_BUF_SIZE;
-
- memcpy(sio->buf, kmsg_buf, sio->len);
- return sio->len;
-}
-
-static void
-syslog_write(const char *s, size_t len)
-{
- size_t tmp_len = len;
- const char *tmp_s = s;
-
- while (tmp_len--) {
-#if defined(__SERIAL_DEBUG)
- serial_dbgch(*tmp_s);
-#endif /* defined(__SERIAL_DEBUG) */
- kmsg_buf_putc(*tmp_s);
- if (g_syslog_use_tty)
- tty_putc(&g_root_tty, *tmp_s, TTY_SOURCE_RAW);
-
- ++tmp_s;
- }
-
- tty_flush(&g_root_tty);
-}
-
-/*
- * XXX: Not serialized
- */
-void
-vkprintf(const char *fmt, va_list *ap)
-{
- char buffer[1024] = {0};
-
- vsnprintf(buffer, sizeof(buffer), fmt, *ap);
- syslog_write(buffer, strlen(buffer));
-}
-
-void
-kprintf(const char *fmt, ...)
-{
- va_list ap;
- char timestamp[64] = "[ 0.000000] ";
- bool has_counter = true;
- bool use_timestamp = true;
- const char *fmt_p = fmt;
- struct timer tmr = {0};
-
- spinlock_acquire(&lock);
-
- /*
- * If the first char is OMIT_TIMESTAMP, then we won't
- * print out the timestamp.
- */
- if (*fmt_p == OMIT_TIMESTAMP[0]) {
- ++fmt_p;
- use_timestamp = false;
- }
-
- /* See if we can use the counter */
- if (req_timer(TIMER_GP, &tmr) != 0)
- has_counter = false;
-
- /* If we can use the counter, format the timestamp */
- if (has_counter) {
- if (tmr.get_time_sec != NULL && tmr.get_time_usec != NULL)
- snprintf(timestamp, sizeof(timestamp), "[ %d.%06d] ",
- tmr.get_time_sec(), tmr.get_time_usec());
-
- }
-
- if (use_timestamp) {
- syslog_write(timestamp, strlen(timestamp));
- }
-
- va_start(ap, fmt);
- vkprintf(fmt_p, &ap);
- va_end(ap);
-
- spinlock_release(&lock);
-}
-
-void
-syslog_init_proc(void)
-{
- kmsg_proc = procfs_alloc_entry();
- kmsg_proc->read = proc_kmsg_read;
- procfs_add_entry("kmsg", kmsg_proc);
-}
-
-void
-syslog_init(void)
-{
- g_syslog_screen.bg = 0x000000;
- g_syslog_screen.fg = 0x808080;
-
- vcons_attach(&g_syslog_screen);
-}