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// IBM_PROLOG_BEGIN_TAG
// This is an automatically generated prolog.
//
// $Source: src/lib/syscall_mm.C $
//
// 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
#include <sys/syscall.h>
#include <sys/mm.h>
#include <arch/ppc.H>
using namespace Systemcalls;
/**
* System call to allocate a block of virtual memory within the base segment
*/
int mm_alloc_block(msg_q_t mq,void* va,uint64_t size)
{
return (int64_t)_syscall3(MM_ALLOC_BLOCK, mq, va, (void*)size);
}
/**
* System call to remove page(s) by a specified operation
*/
int mm_remove_pages(PAGE_REMOVAL_OPS i_op, void* i_vaddr, uint64_t i_size)
{
return (int64_t)_syscall3(MM_REMOVE_PAGES, (void*)i_op, i_vaddr,
(void*)i_size);
}
/*
* Call to flush out the instruction cache
* From the PowerPC ISA book II, section 1.8
* Instruction Storage
*/
void mm_icache_invalidate(void * i_addr, size_t i_cpu_word_count)
{
// Make sure 8 byte boundary
uint64_t addr = (uint64_t)i_addr & ~0x7ull;
uint64_t * dest = (uint64_t*)addr;
for(size_t i = 0; i < i_cpu_word_count; ++i)
{
dcbst(dest);
++dest;
}
lwsync();
dest = (uint64_t*)addr;
for(size_t i = 0; i < i_cpu_word_count; ++i)
{
icbi(dest);
++dest;
}
isync();
}
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