From 90e950d17fa8f6f6e5b10812a26dcb8bd893b6f2 Mon Sep 17 00:00:00 2001 From: ths Date: Wed, 31 Jan 2007 12:02:12 +0000 Subject: [PATCH] Fix GT64120 mapping with REDBOOT, by Aurelien Jarno. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2366 c046a42c-6fe2-441c-8c8c-71466251a162 --- hw/gt64xxx.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/hw/gt64xxx.c b/hw/gt64xxx.c index 84e041fcfc..ccb6a7c1a2 100644 --- a/hw/gt64xxx.c +++ b/hw/gt64xxx.c @@ -229,9 +229,12 @@ static void gt64120_pci_mapping(GT64120State *s) target_phys_addr_t start, length; /* Update IO mapping */ - start = s->regs[GT_PCI0IOLD] << 21; - length = ((s->regs[GT_PCI0IOHD] + 1) - (s->regs[GT_PCI0IOLD] & 0x7f)) << 21; - isa_mmio_init(start, length); + if ((s->regs[GT_PCI0IOLD] & 0x7f) <= s->regs[GT_PCI0IOHD]) + { + start = s->regs[GT_PCI0IOLD] << 21; + length = ((s->regs[GT_PCI0IOHD] + 1) - (s->regs[GT_PCI0IOLD] & 0x7f)) << 21; + isa_mmio_init(start, length); + } } static void gt64120_writel (void *opaque, target_phys_addr_t addr,