Clean up vga_overlay a bit to split out the VGA-specific code to strblit

[netwatch.git] / aseg-paging / vga-overlay.c

diff --git a/aseg-paging/vga-overlay.c b/aseg-paging/vga-overlay.c
index df446bcd47eb2662cef5d4b689959075a1666c3e..e6e223c073d9238fd7af4fed5fda3c391aacf90e 100644 (file)
--- a/aseg-paging/vga-overlay.c
+++ b/aseg-paging/vga-overlay.c
@@ -40,7 +40,7 @@ static char * vga_base()
        );
 }
 
-void strblit(char *src, int row, int col)
+void strblit(char *src, int row, int col, int fill)
 {
        char *destp = vga_base() + row * 80 * 2 + col * 2;
        outb(0x80, 0x3C);
@@ -54,7 +54,15 @@ void strblit(char *src, int row, int col)
        {
                *(destp++) = *(src++);
                *(destp++) = COLOR;
+               col++;
        }
+       if (fill)
+               while (col < 80)
+               {
+                       *(destp++) = ' ';
+                       *(destp++) = COLOR;
+                       col++;
+               }
 
        outb(0x80, 0x3F);
        smram_restore_state(old_state);
@@ -63,24 +71,10 @@ void strblit(char *src, int row, int col)
 
 void outlog()
 {
-       int y, x;
-       char *basep = vga_base();
-
-       smram_state_t old_state = smram_save_state();
-
-       smram_aseg_set_state(SMRAM_ASEG_SMMCODE);
-
-       for (y = 0; y < LOG_ONSCREEN; y++)
-               for (x = 40; x < 80; x++)
-               {
-                       basep[y*80*2+x*2] = ' ';
-                       basep[y*80*2+x*2+1] = 0x1F;
-               }
+       int y;
 
-       smram_restore_state(old_state);
-       
        for (y = -LOG_ONSCREEN; y < 0; y++)
-               strblit(logents[(y + prodptr) % LOGLEN], y + LOG_ONSCREEN, 40);
+               strblit(logents[(y + prodptr) % LOGLEN], y + LOG_ONSCREEN, 40, 1);
 }
 
 void dolog(const char *s)
@@ -89,6 +83,8 @@ void dolog(const char *s)
        prodptr = (prodptr + 1) % LOGLEN;
        while (*s)
                serial_tx(*(s++));
+       serial_tx('\r');
+       serial_tx('\n');
        if (flush_imm)
                outlog();
 }
@@ -96,6 +92,20 @@ void (*output)(const char *s) = dolog;
 
 void dologf(const char *fmt, ...)
 {
+       char *s;
+       va_list va;
+       
+       va_start(va, fmt);
+       vsnprintf(logents[prodptr], 40, fmt, va);
+       s = logents[prodptr];
+       while (*s)
+               serial_tx(*(s++));
+       serial_tx('\r');
+       serial_tx('\n');
+       va_end(va);
+       prodptr = (prodptr + 1) % LOGLEN;
+       if (flush_imm)
+               outlog();
 }
 void (*outputf)(const char *s, ...) = dologf;