SHA256
1
0
forked from pool/memtest86_
memtest86_/serial-enable

54 lines
1.8 KiB
Plaintext

diff -ur memtest86+-1.70.orig/config.h memtest86+-1.70/config.h
--- memtest86+-1.70.orig/config.h 2006-12-27 02:33:06.000000000 +0100
+++ memtest86+-1.70/config.h 2007-01-25 16:34:01.000000000 +0100
@@ -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_BAUD_RATE - Baud rate for the serial console */
#define SERIAL_BAUD_RATE 9600
diff -ur memtest86+-1.70.orig/init.c memtest86+-1.70/init.c
--- memtest86+-1.70.orig/init.c 2007-01-04 08:19:43.000000000 +0100
+++ memtest86+-1.70/init.c 2007-01-25 16:34:31.000000000 +0100
@@ -29,6 +29,7 @@
static void cpu_type(void);
static void cacheable(void);
static int cpuspeed(void);
+extern short serial_cons;
static void display_init(void)
{
@@ -65,6 +66,9 @@
}
serial_echo_print("\x1B[0m");
+
+ if (!serial_cons && SERIAL_CONSOLE_DEFAULT)
+ cprint (23, 0, "Timout on serial console: disabled");
}
/*
diff -ur memtest86+-1.70.orig/serial.h memtest86+-1.70/serial.h
--- memtest86+-1.70.orig/serial.h 2006-12-27 02:33:06.000000000 +0100
+++ memtest86+-1.70/serial.h 2007-01-25 16:34:31.000000000 +0100
@@ -140,10 +140,12 @@
#define serial_echo_inb(a) inb((a)+0x3f8)
#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)