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[Qemu-devel] [PATCH 4/4] cirrus: Unbreak ISA support


From: Jan Kiszka
Subject: [Qemu-devel] [PATCH 4/4] cirrus: Unbreak ISA support
Date: Wed, 21 Sep 2011 20:49:32 +0200

From: Jan Kiszka <address@hidden>

Do not try to map against the PCI bar in the ISA version of the device.

Signed-off-by: Jan Kiszka <address@hidden>
---
 hw/cirrus_vga.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index ec7ea82..c7e365b 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -2401,7 +2401,7 @@ static void map_linear_vram_bank(CirrusVGAState *s, 
unsigned bank)
 
 static void map_linear_vram(CirrusVGAState *s)
 {
-    if (!s->linear_vram) {
+    if (s->bustype == CIRRUS_BUSTYPE_PCI && !s->linear_vram) {
         s->linear_vram = true;
         memory_region_add_subregion_overlap(&s->pci_bar, 0, &s->vga.vram, 1);
     }
@@ -2411,7 +2411,7 @@ static void map_linear_vram(CirrusVGAState *s)
 
 static void unmap_linear_vram(CirrusVGAState *s)
 {
-    if (s->linear_vram) {
+    if (s->bustype == CIRRUS_BUSTYPE_PCI && s->linear_vram) {
         s->linear_vram = false;
         memory_region_del_subregion(&s->pci_bar, &s->vga.vram);
     }
-- 
1.7.3.4




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