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[Qemu-devel] [PULL 15/20] sparc64: disable floppy DMA


From: John Snow
Subject: [Qemu-devel] [PULL 15/20] sparc64: disable floppy DMA
Date: Wed, 3 Feb 2016 15:32:30 -0500

From: Hervé Poussineau <address@hidden>

All functions relative to DMA (DMA_*() functions) are stubs on sparc64 platform.
Disable the DMA of the floppy controller, instead of calling these stubs.

Signed-off-by: Hervé Poussineau <address@hidden>
Message-id: address@hidden
Signed-off-by: John Snow <address@hidden>
---
 hw/sparc64/sun4u.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index d356717..371f5bc 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -816,6 +816,7 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
     qemu_irq *ivec_irqs, *pbm_irqs;
     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
     DriveInfo *fd[MAX_FD];
+    DeviceState *dev;
     FWCfgState *fw_cfg;
 
     /* init CPUs */
@@ -852,10 +853,22 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
     pci_cmd646_ide_init(pci_bus, hd, 1);
 
     isa_create_simple(isa_bus, "i8042");
+
+    /* Floppy */
     for(i = 0; i < MAX_FD; i++) {
         fd[i] = drive_get(IF_FLOPPY, 0, i);
     }
-    fdctrl_init_isa(isa_bus, fd);
+    dev = DEVICE(isa_create(isa_bus, TYPE_ISA_FDC));
+    if (fd[0]) {
+        qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
+                            &error_abort);
+    }
+    if (fd[1]) {
+        qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
+                            &error_abort);
+    }
+    qdev_prop_set_uint32(dev, "dma", -1);
+    qdev_init_nofail(dev);
 
     /* Map NVRAM into I/O (ebus) space */
     nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
-- 
2.4.3




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