From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LMTWH-0000cQ-6A for qemu-devel@nongnu.org; Mon, 12 Jan 2009 15:36:21 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LMTWE-0000ZS-Kt for qemu-devel@nongnu.org; Mon, 12 Jan 2009 15:36:20 -0500 Received: from [199.232.76.173] (port=48808 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LMTWE-0000Z8-FQ for qemu-devel@nongnu.org; Mon, 12 Jan 2009 15:36:18 -0500 Received: from mail-bw0-f12.google.com ([209.85.218.12]:56135) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LMTWD-0001x9-Mt for qemu-devel@nongnu.org; Mon, 12 Jan 2009 15:36:18 -0500 Received: by bwz5 with SMTP id 5so21629733bwz.10 for ; Mon, 12 Jan 2009 12:36:16 -0800 (PST) Message-ID: Date: Mon, 12 Jan 2009 22:32:43 +0200 From: "Blue Swirl" Subject: Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial In-Reply-To: <20090112201836.GF29483@hall.aurel32.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20090112201836.GF29483@hall.aurel32.net> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Aurelien Jarno Cc: qemu-devel@nongnu.org On 1/12/09, Aurelien Jarno wrote: > On Mon, Jan 12, 2009 at 05:40:24PM +0000, Blue Swirl wrote: > > Revision: 6271 > > http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6271 > > Author: blueswir1 > > Date: 2009-01-12 17:40:23 +0000 (Mon, 12 Jan 2009) > > > > Log Message: > > ----------- > > Use ESCC for PowerMac serial > > > > > [snip] > > > > Modified: trunk/hw/ppc_oldworld.c > > =================================================================== > > --- trunk/hw/ppc_oldworld.c 2009-01-12 17:38:28 UTC (rev 6270) > > +++ trunk/hw/ppc_oldworld.c 2009-01-12 17:40:23 UTC (rev 6271) > > @@ -33,6 +33,7 @@ > > #include "pci.h" > > #include "boards.h" > > #include "fw_cfg.h" > > +#include "escc.h" > > > > #define MAX_IDE_BUS 2 > > #define VGA_BIOS_SIZE 65536 > > @@ -126,7 +127,7 @@ > > int vga_bios_size, bios_size; > > qemu_irq *dummy_irq; > > int pic_mem_index, nvram_mem_index, dbdma_mem_index, cuda_mem_index; > > - int ide_mem_index[2]; > > + int escc_mem_index, ide_mem_index[2]; > > int ppc_boot_device; > > BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; > > int index; > > @@ -296,8 +297,8 @@ > > /* XXX: suppress that */ > > dummy_irq = i8259_init(NULL); > > > > - /* XXX: use Mac Serial port */ > > - serial_init(0x3f8, dummy_irq[4], 115200, serial_hds[0]); > > + escc_mem_index = escc_init(0x80013000, pic[0x10], serial_hds[0], > > + serial_hds[1], ESCC_CLOCK, 4); > > > I don't think this address is correct. Also this is later mapped by > macio_init() later. It's there to enable some kind of serial console before PCI probing and device mapping has been done, the address is arbitrary. Maybe the new mapping could remove the old one. > Also I have tried with the latest SVN of OpenBIOS (which includes the > corresponding patches for ESCC), and the machine doesn't boot anymore. > Using -serial stdio, I see > > | >> ============================================================= > | >> OpenBIOS 1.0RC1 [Jan 12 2009 19:28] > | >> Configuration device id QEMU version 1 machine id 2 > | >> CPUs: 1 > | >> Memory: 144M > | >> UUID: 00000000-0000-0000-0000-000000000000 > | >> CPU type PowerPC,750 > | >> Initializing PCI devices... > | >> 0:0.0 - 1057:2 - /pci - > | >> 0:1.0 - 1234:1111 - /pci/QEMU,VGA - > > Then it hangs there. Strange, at least Debian 3.1 R8 (CD and direct -kernel), Debian 4.0 R5 (CD and direct -kernel), Debian 4.0 R6 and Gentoo 2008.0 act like before. What kind of setup do you have? At least OpenBIOS config is not standard, you have enabled PCI debugging.