From 06e382afcbf199e5e4ec92574a3872ab04fb6e9e Mon Sep 17 00:00:00 2001
From: Michal Idziorek <m.i@gmx.at>
Date: Thu, 4 Sep 2014 15:16:13 +0200
Subject: Improved physical memory manager and cleaning up.

---
 lib/logger/log.c | 68 +++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 50 insertions(+), 18 deletions(-)

(limited to 'lib')

diff --git a/lib/logger/log.c b/lib/logger/log.c
index c9bb652..4a510f9 100644
--- a/lib/logger/log.c
+++ b/lib/logger/log.c
@@ -1,44 +1,76 @@
-#include "log.h"
+#define FOOLOS_MODULE_NAME "log"
+
+#include "lib/logger/log.h"
 #include <stdarg.h>
+
+#include "log.h"
 #include "lib/int/stdint.h"
+#include "kernel/time.h"
+
+#define BUF_SIZE 4069
 
-void PutConsole(char *str, int color, va_list va);
+static char buffer[BUF_SIZE];
+static int first;
+static int last;
 
-volatile uint64_t task_system_clock; // in task.c
+void PutConsole(char *str, int color);
 
 void log(char *module_name, int log_level, char *format_string, ...)
 {
-
     if(log_level<FOOLOS_LOG_INFO)return;
 
-    char buf[10];
+
+    char buf_info[256];
+    char buf_log[256];
+    char buf_time[20];
+
     uint32_t t=task_system_clock;
     uint32_t s=t/25;
     uint32_t ms=t*1000/25-1000*s;
 
-    tfp_sprintf(buf,"[%6d.%05d] ",s,ms);
+    tfp_sprintf(buf_time,"[%6d.%05d] ",s,ms);
 
-    PutConsole(buf,0b0111101111101111,task_system_clock);
-    PutConsole(module_name,0b1111100000000000,0);
-    PutConsole(": ",0b0000011111100000,0);
     va_list va;
     va_start(va,format_string);
-    //PutConsole(format_string, 0b11111,  va); // blue
-    PutConsole(format_string, 0b0111101111111111,  va);
+    tfp_vsprintf(buf_info,format_string,va);
     va_end(va);
+
+    PutConsole(buf_time,0b0111101111101111);
+    PutConsole(module_name,0b1111100000000000);
+    PutConsole(": ",0b0000011111100000);
+    PutConsole(buf_info, 0b0111101111111111);
     PutConsoleNL();
 
-    
+    tfp_sprintf(buf_log,"%s %s: %s\n",buf_time,module_name,buf_info);
+
+    for(int i=0;buf_log[i]!=0;i++)
+    {
+	buffer[last]=buf_log[i];
+	last=(last+1)%BUF_SIZE;
+	if(first<last)if(last-first>=BUF_SIZE)first=(first+1)%BUF_SIZE;
+	if(last>first)if(BUF_SIZE-last+first>=BUF_SIZE)first=(first+1)%BUF_SIZE;
+    }
+
+
 }
 
 void panic(char *module_name,  char *format_string)
 {
-
-    PutConsole("!! KERNEL PANIC !! ",0b1111100000000000,0);
-    PutConsole(module_name,0b1111100000000000,0);
-    PutConsole(" : ",0b0000011111100000,0);
-    PutConsole(format_string,0b1111100000000000,0);
+    PutConsole("!! KERNEL PANIC !! ",0b1111100000000000);
+    PutConsole(module_name,0b1111100000000000);
+    PutConsole(" : ",0b0000011111100000);
+    PutConsole(format_string,0b1111100000000000);
 
     while(1); // halt
-    
 }
+
+void log_init()
+{
+    first=last=0;
+}
+
+void log_log()
+{
+    log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"init buffer at: 0x%08X, first=%08X, last=%08X",buffer,&first,&last);
+}
+
-- 
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