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[PULL,13/13] stellaris: Use the 'unimplemented' device for parts we don't implement

Message ID 1486492645-27803-14-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell Feb. 7, 2017, 6:37 p.m. UTC 
Use the 'unimplemented' dummy device to cover regions of the
SoC device memory map which we don't have proper device
implementations for yet.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1484247815-15279-4-git-send-email-peter.maydell@linaro.org
---
 hw/arm/stellaris.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
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Patch

diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c
index 5c4b707..9edcd49 100644
--- a/hw/arm/stellaris.c
+++ b/hw/arm/stellaris.c
@@ -21,6 +21,7 @@ 
 #include "exec/address-spaces.h"
 #include "sysemu/sysemu.h"
 #include "hw/char/pl011.h"
+#include "hw/misc/unimp.h"
 
 #define GPIO_A 0
 #define GPIO_B 1
@@ -1404,6 +1405,19 @@  static void stellaris_init(const char *kernel_filename, const char *cpu_model,
             }
         }
     }
+
+    /* Add dummy regions for the devices we don't implement yet,
+     * so guest accesses don't cause unlogged crashes.
+     */
+    create_unimplemented_device("wdtimer", 0x40000000, 0x1000);
+    create_unimplemented_device("i2c-0", 0x40002000, 0x1000);
+    create_unimplemented_device("i2c-2", 0x40021000, 0x1000);
+    create_unimplemented_device("PWM", 0x40028000, 0x1000);
+    create_unimplemented_device("QEI-0", 0x4002c000, 0x1000);
+    create_unimplemented_device("QEI-1", 0x4002d000, 0x1000);
+    create_unimplemented_device("analogue-comparator", 0x4003c000, 0x1000);
+    create_unimplemented_device("hibernation", 0x400fc000, 0x1000);
+    create_unimplemented_device("flash-control", 0x400fd000, 0x1000);
 }
 
 /* FIXME: Figure out how to generate these from stellaris_boards.  */