From eddfc270d887283674563530b9fd982a2692f8c3 Mon Sep 17 00:00:00 2001
From: Miguel <m.i@gmx.at>
Date: Wed, 22 Aug 2018 14:46:13 +0200
Subject: cleaning up

---
 kernel/log.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 kernel/log.c

(limited to 'kernel/log.c')

diff --git a/kernel/log.c b/kernel/log.c
new file mode 100644
index 0000000..ff1b8bf
--- /dev/null
+++ b/kernel/log.c
@@ -0,0 +1,63 @@
+#define FOOLOS_MODULE_NAME "log"
+#include "log.h"
+
+#include <stdarg.h>
+#include <stdbool.h>
+
+#include "kernel/kernel.h"
+#include "kernel/fifo.h"
+
+#include "lib/string/string.h"
+
+static void log_string(char *str)
+{
+//        if(get_max_fd()>=2)   syscall_write(2,str,strlen(str));
+	while(*str!=0)
+	{
+	    serial_write(*str++);
+	}
+}
+
+void log(char *module_name, int log_level, char *format_string, ...)
+{   
+    #ifdef FOOLOS_LOG_OFF
+	return;
+    #endif
+
+    if(log_level<FOOLOS_LOG_LEVEL)return;
+
+    char buf_info[256];
+    char buf_log[256];
+    char buf_time[20];
+
+    uint64_t t=timer_get_uptime_ms();
+    uint32_t ms=t%1000;
+    uint32_t s=t/1000;
+
+    tfp_sprintf(buf_time,"[%04d %03d]",s,ms);
+
+    va_list va;
+    va_start(va,format_string);
+    tfp_vsprintf(buf_info,format_string,va);
+    va_end(va);
+
+    tfp_sprintf(buf_log,"\033[36;40m%s\033[31;40m %10s:\033[37;40m %s\n",buf_time,module_name,buf_info);
+
+    log_string(buf_log);
+}
+
+void panic(char *module_name,  char *message)
+{
+    char buf_log[256];
+    tfp_sprintf(buf_log,"\033[41;37m\n !! KERNEL PANIC !! %s: %s\n\n\033[37;40m",module_name,message);
+
+    //PANIC DIRECTLY TO STDOUT//
+    syscall_write(1,buf_log,strlen(buf_log));
+    log_string(buf_log);
+
+    while(1)
+    {
+        asm volatile("cli");
+	asm volatile("hlt");
+    }
+}
-- 
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