diff options
Diffstat (limited to 'src/pc80')
| -rw-r--r-- | src/pc80/Config.lb | 5 | ||||
| -rw-r--r-- | src/pc80/udelay_io.c | 9 |
2 files changed, 14 insertions, 0 deletions
diff --git a/src/pc80/Config.lb b/src/pc80/Config.lb index 1750a83bde..7eb32b239f 100644 --- a/src/pc80/Config.lb +++ b/src/pc80/Config.lb @@ -1,11 +1,16 @@ uses CONFIG_IDE uses CONFIG_CONSOLE_VGA +uses CONFIG_UDELAY_IO object mc146818rtc.o object isa-dma.o object i8259.o #object udelay_timer2.o CONFIG_UDELAY_TIMER2 +if CONFIG_UDELAY_IO + object udelay_io.o +end + if CONFIG_IDE dir ide end diff --git a/src/pc80/udelay_io.c b/src/pc80/udelay_io.c new file mode 100644 index 0000000000..870af079cf --- /dev/null +++ b/src/pc80/udelay_io.c @@ -0,0 +1,9 @@ +#include <arch/io.h> + +void udelay(int usecs) +{ + int i; + for(i = 0; i < usecs; i++) + outb(i&0xff, 0x80); +} + |