[syslinux] The simple menu system doesn't work with serial console
hiranotaka at zng.info
hiranotaka at zng.info
Sun Oct 29 15:57:17 PST 2006
Oops, not 0.2x, 0.3x and 0.4x, but 3.2x, 3.3x, 3.4x.
2006/10/30, hiranotaka at zng.info <hiranotaka at zng.info>:
> Hello,
>
> I have just get started using pxelinux, and encountered a problem.
> The document says the simple menu system supports serial console,
> and it works on syslinux 0.2x, but it doesn't seem to work in 0.3x and 0.4x.
> I confirmed that this patch fixed the bug.
>
> *** com32/lib/sys/xserial_write.c~ 2006-10-30 08:30:35.000000000 +0900
> --- com32/lib/sys/xserial_write.c 2006-10-30 08:31:30.000000000 +0900
> ***************
> *** 43,49 ****
> {
> static com32sys_t ireg; /* Zeroed with the BSS */
>
> ! ireg.eax.w[0] = 0x0400 | (unsigned char)ch;
>
> __intcall(0x21, &ireg, NULL);
> }
> --- 43,50 ----
> {
> static com32sys_t ireg; /* Zeroed with the BSS */
>
> ! ireg.eax.b[1] = 0x04;
> ! ireg.edx.b[0] = ch;
>
> __intcall(0x21, &ireg, NULL);
> }
>
>
> --
> HIRANO Takahito
> hiranotaka%zng.info
>
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