search for: syslinux_serial_console_info

...nside that. Or you can write a Lua script to do the same, and then you don't even need to compile anything. > So what I'd like to know is, does Syslinux supports UART in COM32 > image? I think generically it does not. But there's nothing to stop you from reprogramming the UART syslinux_serial_console_info() points you at. Or another one. -- Regards, Feri.

On Sat, Aug 01, 2015 at 12:58:40PM +0000, Tal Lubko via Syslinux wrote: > Hi > > I would like SYSLINUX to get input from UART and act accordingly. > For example, I want to choose what rootfs to load according to the sequence received from UART. > So I'd like to know if SYSLINUX a the infrastructure for doing this Yes, Syslinux supports serial ports a.k.a. UARTS. Since the very

From: Matt Fleming <matt.fleming at intel.com> Since we can't use __intcall() for EFI, and since we can now have the ELF module code resolve all our symbols at runtime, we should delete as many references to __intcall() as possible and just access the symbols directly. The most interesting patch is the support for weak symbols. We need to be able to reference derivative-specific

...onfig.h> #include "file.h" ssize_t __serial_write(struct file_info *fp, const void *buf, size_t count) { - com32sys_t ireg; const char *bufp = buf; size_t n = 0; @@ -49,12 +49,8 @@ ssize_t __serial_write(struct file_info *fp, const void *buf, size_t count) if (!syslinux_serial_console_info()->iobase) return count; /* Nothing to do */ - memset(&ireg, 0, sizeof ireg); - ireg.eax.b[1] = 0x04; - while (count--) { - ireg.edx.b[0] = *bufp++; - __intcall(0x21, &ireg, NULL); + write_serial(*bufp++); n++; } diff --git a/com32/lib/sys/stdcon_write.c b/com32/...