Re: [PATCH] Add ability to drop pages through testdev

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On 12/22/2010 05:18 PM, Gleb Natapov wrote:
Signed-off-by: Gleb Natapov<gleb@xxxxxxxxxx>
diff --git a/hw/testdev.c b/hw/testdev.c
index d1abf59..29df385 100644
--- a/hw/testdev.c
+++ b/hw/testdev.c
@@ -1,3 +1,4 @@
+#include<sys/mman.h>
  #include "hw.h"
  #include "qdev.h"
  #include "isa.h"
@@ -46,6 +47,16 @@ static uint32_t test_device_ioport_read(void *opaque, uint32_t addr)
      return test_device_ioport_data;
  }

+static void test_device_flush_page(void *opaque, uint32_t addr, uint32_t data)
+{
+    target_phys_addr_t len = 4096;
+    void *a = cpu_physical_memory_map(data&  ~0xffful,&len, 0);
+
+    mprotect(a, 4096, PROT_NONE);
+    mprotect(a, 4096, PROT_READ|PROT_WRITE);
+    cpu_physical_memory_unmap(a, len, 0, 0);
+}
+

Icky. This is much better done through the api tests. Applied it so as not to spoil all the effort.

--
error compiling committee.c: too many arguments to function

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