feat: support user-spcae pci rescan

[lunaix-os.git] / lunaix-os / kernel / kprintf.c

diff --git a/lunaix-os/kernel/kprintf.c b/lunaix-os/kernel/kprintf.c
index fd005c09b9295f23b33ea737df3dc4612af118fc..451abe06e139c596cdebf985d10cdee8d9d90bd8 100644 (file)
--- a/lunaix-os/kernel/kprintf.c
+++ b/lunaix-os/kernel/kprintf.c
@@ -1,73 +1,87 @@
 #include <klibc/stdio.h>
 #include <lunaix/lxconsole.h>
+#include <lunaix/spike.h>
+#include <lunaix/syscall.h>
 #include <lunaix/syslog.h>
 #include <lunaix/tty/tty.h>
 
 #define MAX_KPRINTF_BUF_SIZE 512
 #define MAX_XFMT_SIZE 512
 
-void
-__kprintf(const char* component, const char* fmt, va_list args)
+static char* log_prefix[] = { "- ", "W ", "E ", "D " };
+static char* color_code[] = { "", "\033[6;0m", "\033[12;0m", "\033[9;0m" };
+
+void 
+__kprintf_internal(const char* component,
+                   int log_level,
+                   const char* prefix,
+                   const char* fmt,
+                   va_list args)
 {
     char buf[MAX_KPRINTF_BUF_SIZE];
-    if (!fmt)
-        return;
-    char log_level = '0';
     char expanded_fmt[MAX_XFMT_SIZE];
+    char* color = color_code[log_level];
+
+    if (component) {
+        ksnprintf(expanded_fmt,
+                  MAX_XFMT_SIZE,
+                  "%s%s%s: %s\033[39;49m",
+                  color,
+                  prefix,
+                  component,
+                  fmt);
+    } else {
+        ksnprintf(
+          expanded_fmt, MAX_XFMT_SIZE, "%s%s%s\033[39;49m", color, prefix, fmt);
+    }
 
+    __ksprintf_internal(buf, expanded_fmt, MAX_KPRINTF_BUF_SIZE, args);
+    console_write_str(buf);
+}
+
+char*
+__get_loglevel(char* fmt, int* log_level_out)
+{
+    char l = '0';
     if (*fmt == '\x1b') {
-        log_level = *(++fmt);
+        l = *(++fmt);
         fmt++;
     }
+    l -= '0';
 
-    switch (log_level) {
-        case '0':
-            ksnprintf(expanded_fmt,
-                      MAX_XFMT_SIZE,
-                      "[%s] (%s) %s",
-                      "INFO",
-                      component,
-                      fmt);
-            break;
-        case '1':
-            // tty_set_theme(VGA_COLOR_BROWN, current_theme >> 12);
-            ksnprintf(expanded_fmt,
-                      MAX_XFMT_SIZE,
-                      "\033[6;0m[%s] (%s) %s\033[39;49m",
-                      "WARN",
-                      component,
-                      fmt);
-            break;
-        case '2':
-            // tty_set_theme(VGA_COLOR_LIGHT_RED, current_theme >> 12);
-            ksnprintf(expanded_fmt,
-                      MAX_XFMT_SIZE,
-                      "\033[12;0m[%s] (%s) %s\033[39;49m",
-                      "EROR",
-                      component,
-                      fmt);
-            break;
-        case '3':
-            // tty_set_theme(VGA_COLOR_LIGHT_BLUE, current_theme >> 12);
-            ksnprintf(expanded_fmt,
-                      MAX_XFMT_SIZE,
-                      "\033[9;0m[%s] (%s) %s\033[39;49m",
-                      "DEBG",
-                      component,
-                      fmt);
-            break;
-        default:
-            ksnprintf(expanded_fmt,
-                      MAX_XFMT_SIZE,
-                      "[%s] (%s) %s",
-                      "LOG",
-                      component,
-                      fmt);
-            break;
+    if (l > 3) {
+        l = 0;
     }
 
-    __ksprintf_internal(buf, expanded_fmt, MAX_KPRINTF_BUF_SIZE, args);
-    console_write_str(buf);
+    *log_level_out = (int)l;
+    return fmt;
+}
+
+void
+kappendf(const char* fmt, ...)
+{
+    char buf[MAX_KPRINTF_BUF_SIZE];
+
+    va_list args;
+    va_start(args, fmt);
+
+    int log_level;
+    fmt = __get_loglevel(fmt, &log_level);
+
+    __kprintf_internal(NULL, log_level, "", fmt, args);
+
+    va_end(args);
+}
+
+void
+__kprintf(const char* component, const char* fmt, va_list args)
+{
+    if (!fmt)
+        return;
+
+    int log_level;
+    fmt = __get_loglevel(fmt, &log_level);
+    __kprintf_internal(component, log_level, log_prefix[log_level], fmt, args);
 }
 
 void
@@ -84,6 +98,26 @@ kprint_panic(const char* fmt, ...)
     tty_put_str_at(buf, 0, 24);
 
     va_end(args);
+
+    spin();
+}
+
+void
+kprint_dbg(const char* fmt, ...)
+{
+    char buf[MAX_KPRINTF_BUF_SIZE];
+    va_list args;
+    va_start(args, fmt);
+
+    tty_set_theme(VGA_COLOR_WHITE, VGA_COLOR_MAGENTA);
+    tty_clear_line(24);
+
+    __ksprintf_internal(buf, fmt, MAX_KPRINTF_BUF_SIZE, args);
+    tty_put_str_at(buf, 0, 24);
+
+    va_end(args);
+
+    tty_set_theme(VGA_COLOR_WHITE, VGA_COLOR_BLACK);
 }
 
 void
@@ -110,4 +144,9 @@ kprint_hex(const void* buffer, unsigned int size)
         console_write_str(ch_cache);
         console_write_char('\n');
     }
+}
+
+__DEFINE_LXSYSCALL3(void, syslog, int, level, const char*, fmt, va_list, args)
+{
+    __kprintf_internal("syslog", level, "", fmt, args);
 }
\ No newline at end of file