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// IBM_PROLOG_BEGIN_TAG
// This is an automatically generated prolog.
//
// $Source: src/usr/testcore/kernel/vmmbasetest.H $
//
// IBM CONFIDENTIAL
//
// COPYRIGHT International Business Machines Corp. 2011
//
// p1
//
// Object Code Only (OCO) source materials
// Licensed Internal Code Source Materials
// IBM HostBoot Licensed Internal Code
//
// The source code for this program is not published or other-
// wise divested of its trade secrets, irrespective of what has
// been deposited with the U.S. Copyright Office.
//
// Origin: 30
//
// IBM_PROLOG_END
/** @file vmmbasetest.H
* @brief Test cases for permission settings on the base block of the VMM.
*/
#ifndef __KERNEL_VMMBASETEST_H
#define __KERNEL_VMMBASETEST_H
#include <cxxtest/TestSuite.H>
#include <sys/task.h>
#include <kernel/console.H>
#include <arch/ppc.H>
#include <sys/mm.h>
class VmmBaseTest : public CxxTest::TestSuite
{
public:
static volatile int rc;
void testNullAccess()
{
rc = 0; sync();
printk("Test case: Expect to see uncaught exception! ");
task_create(readFromNULL, NULL);
while (rc == 0) task_yield();
task_yield();
if (rc == -1)
{
TS_FAIL("Write to NULL not caught.");
}
rc = 0; sync();
printk("Test case: Expect to see uncaught exception! ");
task_create(writeToNULL, NULL);
while (rc == 0) task_yield();
task_yield();
if (rc == -1)
{
TS_FAIL("Write to NULL not caught.");
}
}
void testWriteToKernelCode()
{
rc = 0; sync();
printk("Test case: Expect to see uncaught exception! ");
task_create(writeToKernelCode, NULL);
while (rc == 0) task_yield();
task_yield();
if (rc == -1)
{
TS_FAIL("Write to kernel code not caught.");
}
}
void testExecuteKernelDataSpace()
{
// @TODO. VMM not ready.
}
void testWriteModuleText()
{
// @TODO. VMM not ready.
}
void testExecuteModuleDataSpace()
{
// @TODO. VMM not ready.
}
void testCastOutPages()
{
//uint64_t vmemaddr = (1ul * 1024 * 1024 * 1024)/2;
//uint64_t vmsize = 4ul * 1024 * 500;
//printk("Test case: cast out pages\n");
//printk("Set up virtual block at %p\n",(void*)vmemaddr);
//size_t rc = mm_alloc_block(NULL, // need a msgq?
// (void*)vmemaddr,
// vmsize);
//if(rc) printk("RC=%ld\n",rc);
// touch something on every page
//for(uint64_t i = vmemaddr; i < (vmemaddr + vmsize); i += PAGESIZE)
//{
// if(*((char *)i) != 'U') printk("Yiks %p is %c\n",(void*)i,*((char *)i));
//}
// see printk buffer for cast out pages
}
private:
static void readFromNULL(void* unused)
{
rc = 1; sync();
printk("%lx", (*(uint64_t*)NULL)); sync();
rc = -1; sync();
task_end();
}
static void writeToNULL(void* unused)
{
rc = 1; sync();
(*(uint64_t*)NULL) = 0x12345678; sync();
rc = -1; sync();
task_end();
}
static void writeToKernelCode(void* unused)
{
rc = 1; sync();
(*(*(uint64_t**)&printk)) = 0x12345678; sync();
rc = -1; sync();
task_end();
}
};
volatile int VmmBaseTest::rc = 0;
#endif
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