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From: | Hervé Poussineau |
Subject: | Re: [Qemu-devel] [PATCH] isapc: give system address space when pci is disabled |
Date: | Tue, 20 Sep 2011 23:25:01 +0200 |
User-agent: | Thunderbird 2.0.0.23 (Windows/20090812) |
Jan Kiszka a écrit :
On 2011-09-19 20:49, Hervé Poussineau wrote:Jan Kiszka a écrit :Yes, you also need to rollback pc-bios/bios.bin to previous version (ie 8b06c62ae48b67b320f7420dcd4854c5559e1532)On 2011-09-18 18:04, Hervé Poussineau wrote:Signed-off-by: Hervé Poussineau <address@hidden> --- hw/pc_piix.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/hw/pc_piix.c b/hw/pc_piix.c index da6fa55..c0b8a3a 100644 --- a/hw/pc_piix.c +++ b/hw/pc_piix.c @@ -121,7 +121,7 @@ static void pc_init1(MemoryRegion *system_memory, pc_memory_init(system_memory, kernel_filename, kernel_cmdline, initrd_filename, below_4g_mem_size, above_4g_mem_size, - pci_memory, &ram_memory); + pci_enabled ? pci_memory : system_memory, &ram_memory); }if (!xen_enabled()) {Makes sense. I guess we should rename 'pci_memory' inside pc_memory_init to reflect this - 'rom_memory'? But -M isapc still only gives me a black screen. Are there further fixes required?Did you already try to bisect that probable regression in SeaBIOS?
Yes, I regtested the problem to this SeaBIOS commit: 01a5c8813b2e709809c07c5d7fab9d1c3ddb4989 is the first bad commit commit 01a5c8813b2e709809c07c5d7fab9d1c3ddb4989 Author: Gerd Hoffmann <address@hidden> Date: Mon Jul 11 09:20:29 2011 +0200 pci: activate two-pass pci initialization code This patch actually enables the two-pass pci initialization and deactivates the old pci initialization bits. Signed-off-by: Gerd Hoffmann <address@hidden> Binary is current qemu + this patch Command line is: qemu-system-i386 -M isapc -vga std Hervé
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