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[3/4] ppc4xx: don't unregister RAM at reset

Message ID 1280967697-1875-4-git-send-email-hollis@penguinppc.org
State New, archived
Headers show

Commit Message

Hollis Blanchard Aug. 5, 2010, 12:21 a.m. UTC 
The PowerPC 4xx SDRAM controller emulation unregisters RAM in its reset
callback. However, qemu_system_reset() is now called at initialization
time, so all RAM is unregistered before starting the guest (!).

Signed-off-by: Hollis Blanchard <hollis@penguinppc.org>

---
 hw/ppc4xx_devs.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

This fixes a critical bug in PowerPC 440 Bamboo board emulation.
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Patch

diff --git a/hw/ppc4xx_devs.c b/hw/ppc4xx_devs.c
index be130c4..7f698b8 100644
--- a/hw/ppc4xx_devs.c
+++ b/hw/ppc4xx_devs.c
@@ -619,7 +619,6 @@  static void sdram_reset (void *opaque)
     /* We pre-initialize RAM banks */
     sdram->status = 0x00000000;
     sdram->cfg = 0x00800000;
-    sdram_unmap_bcr(sdram);
 }
 
 void ppc4xx_sdram_init (CPUState *env, qemu_irq irq, int nbanks,