memtest86_/serial-enable

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--- memtest86+-2.01/config.h
+++ memtest86+-2.01/config.h
@@ -13,7 +13,7 @@
/* SERIAL_CONSOLE_DEFAULT - The default state of the serial console. */
/* This is normally off since it slows down testing. Change to a 1 */
/* to enable. */
-#define SERIAL_CONSOLE_DEFAULT 0
+#define SERIAL_CONSOLE_DEFAULT 1
/* SERIAL_TTY - The default serial port to use. 0=ttyS0, 1=ttyS1 */
#define SERIAL_TTY 0
--- memtest86+-2.01/init.c
+++ memtest86+-2.01/init.c
@@ -40,6 +40,7 @@
static void cacheable(void);
static int cpuspeed(void);
int beepmode;
+extern short serial_cons;
static void display_init(void)
{
@@ -76,6 +77,9 @@
}
serial_echo_print("\x1B[0m");
+
+ if (!serial_cons && SERIAL_CONSOLE_DEFAULT)
+ cprint (23, 0, "Timout on serial console: disabled");
}
/*
--- memtest86+-2.01/serial.h
+++ memtest86+-2.01/serial.h
@@ -140,10 +140,12 @@
#define serial_echo_inb(a) inb((a)+serial_base_ports[serial_tty])
#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
/* Wait for transmitter & holding register to empty */
-#define WAIT_FOR_XMITR \
- do { \
- lsr = serial_echo_inb(UART_LSR); \
- } while ((lsr & BOTH_EMPTY) != BOTH_EMPTY)
+#define WAIT_FOR_XMITR \
+ int _i = 1<<15; \
+ do { \
+ lsr = serial_echo_inb(UART_LSR); \
+ } while ((lsr & BOTH_EMPTY) != BOTH_EMPTY && --_i); \
+ if (!_i) serial_cons = 0
#if 0
static inline void serial_echo(int ch)