Hi,
I guess you are not using Qemu's -nographic option. The flag is passed on to
Proll, which then initialises either serial port or frame buffer
accordingly.
For example, the following code echoes serial port data back:
diff -ru proll-patch-16/qemu/main.c proll-patch-16b/qemu/main.c
--- proll-patch-16/qemu/main.c 2005-08-14 10:07:48.000000000 +0000
+++ proll-patch-16b/qemu/main.c 2005-11-20 08:50:57.000000000 +0000
@@ -79,6 +79,13 @@
ram_size = ld_bypass(PHYS_JJ_EEPROM + 0x30);
printk("%d MB total\n", ram_size/(1024*1024));
+ for (;;) {
+ int ch;
+
+ ch = vcon_zs_getch(&dp0);
+ vcon_zs_putch(&dp0, ch);
+ }
+
bb.nbanks = 1;
bb.bankv[0].start = 0;
bb.bankv[0].length = ram_size;
I think serial loader would be nice addition, though there is already CD/HD
(no FD) and network boot options. If you don't care about Sun OBP
compatibility, I'd suggest reusing GDB remote debugging code.
Or are you trying to use Proll on Sparc64? In that case the serial port is
not Zilog one, but PC-compatible (vcons_su).
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