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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/testcore/rtloader/loader.H $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2013 */
/* */
/* 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 otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* Origin: 30 */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __TESTCORE_RTLOADER_LOADER_H
#define __TESTCORE_RTLOADER_LOADER_H
#include <pnor/pnorif.H>
#include <util/align.H>
#include <sys/mm.h>
#include <runtime/interface.h>
class RuntimeLoaderTest : public CxxTest::TestSuite
{
public:
void testLoader()
{
static const uint64_t HEADER_OFFSET = 0x2000;
PNOR::SectionInfo_t runtimeSection;
errlHndl_t l_errl =
PNOR::getSectionInfo(PNOR::HB_RUNTIME, PNOR::CURRENT_SIDE,
runtimeSection);
if (l_errl)
{
TS_WARN("Could not find runtime section.");
delete l_errl;
return;
}
if (runtimeSection.size < HEADER_OFFSET)
{
TS_FAIL("Runtime image is not big enough. %x",
runtimeSection.size);
return;
}
uint64_t imageSize =
*reinterpret_cast<uint64_t*>(runtimeSection.vaddr +
HEADER_OFFSET);
if (runtimeSection.size < imageSize + sizeof(uint64_t))
{
TS_FAIL("Image header has too big a size: %x, %x",
runtimeSection.size, imageSize);
return;
}
uint64_t relocations =
*reinterpret_cast<uint64_t*>(runtimeSection.vaddr + imageSize);
imageSize += (relocations + 1) * sizeof(uint64_t);
if (runtimeSection.size < imageSize)
{
TS_FAIL("Image header + relocations is too big: %x, %x, %d",
runtimeSection.size, imageSize, relocations);
return;
}
void* imageArea = malloc(ALIGN_PAGE(imageSize));
memcpy(imageArea, reinterpret_cast<void*>(runtimeSection.vaddr),
imageSize);
mm_icache_invalidate(imageArea,
ALIGN_PAGE(imageSize) / sizeof(uint64_t));
mm_set_permission(imageArea, HEADER_OFFSET, EXECUTABLE);
TRACFCOMP(g_trac_test, "Runtime image loaded @ %x", imageArea);
do
{
hostInterfaces_t* intf = new hostInterfaces_t();
intf->puts = rt_puts;
intf->set_page_execute = rt_setPageExecute;
intf->malloc = malloc;
intf->free = free;
intf->realloc = realloc;
intf->assert = rt_assert;
// Call init.
runtimeInterfaces_t* rtInterface =
reinterpret_cast<runtimeInterfaces_t*>(
callViaCtr(
reinterpret_cast<uint64_t>(imageArea) + 0x100,
intf, NULL)
);
if (NULL == rtInterface)
{
TS_FAIL("Failed to init runtime services.");
break;
}
{
using namespace CxxTest;
// Initialize statistics structure.
CxxTestStats cxxTestStats =
{ &g_TotalTests, &g_TraceCalls, &g_Warnings,
&g_FailedTests, &g_ModulesStarted,
&g_ModulesCompleted };
// Call CxxTest entry.
(*rtInterface->cxxtestExecute)(&cxxTestStats);
}
} while(0);
mm_set_permission(imageArea, imageSize, WRITABLE);
free(imageArea);
}
private:
uint64_t callViaCtr(uint64_t entry, void* param0, void* param1)
{
register uint64_t result = 0;
asm volatile("mtctr %1; mr 3, %2 ; mr 4, %3; "
"std 2, 40(1); bctrl; ld 2, 40(1); "
"mr %0, 3" :
"=r" (result) : "r" (entry), "r" (param0), "r" (param1) :
"lr","ctr","r0","r3","r4","r5","r6","r7","r8","r9",
"r10","r11"); // TODO: Need to double check the ABI here.
return result;
}
static void rt_puts(const char* str)
{
TRACFCOMP(g_trac_test, "RUNTIME MSG: %s", str);
}
static int rt_setPageExecute(void* addr)
{
return mm_set_permission(addr, PAGESIZE, EXECUTABLE);
}
static void rt_assert()
{
assert(false);
}
};
#endif
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