initial commit of untested beos support files.
probably missing: some of those annoying windowsish types (like DWORD) everything else maybe works? git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1288 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
shatty
parent
27327f1724
commit
54764c4439
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// ****************************************************************************
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//
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// OsSupportWDM.cpp
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//
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// Implementation file for WDM support services to the CEchoGals
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// generic driver class.
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//
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// This will need to be rewritten for each new target OS.
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//
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// Set editor tabs to 3 for your viewing pleasure.
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//
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// Copyright Echo Digital Audio Corporation (c) 1998 - 2002
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// All rights reserved
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// www.echoaudio.com
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//
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// Modifications for OpenBeOS Copyright Andrew Bachmann (c) 2002
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// All rights reserved
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// www.openbeos.org
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
|
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// "Software"), to deal with the Software without restriction, including
|
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// without limitation the rights to use, copy, modify, merge, publish,
|
||||
// distribute, sublicense, and/or sell copies of the Software, and to
|
||||
// permit persons to whom the Software is furnished to do so, subject to
|
||||
// the following conditions:
|
||||
//
|
||||
// - Redistributions of source code must retain the above copyright
|
||||
// notice, this list of conditions and the following disclaimers.
|
||||
//
|
||||
// - Redistributions in binary form must reproduce the above copyright
|
||||
// notice, this list of conditions and the following disclaimers in the
|
||||
// documentation and/or other materials provided with the distribution.
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||||
//
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// - Neither the name of Echo Digital Audio, nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this Software without specific prior written permission.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
// IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR
|
||||
// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE SOFTWARE.
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//
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// ****************************************************************************
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#include "CEchoGals.h"
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#include <stdarg.h>
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#include <RealtimeAlloc.h>
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#include <OS.h>
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#include <Alert.h>
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/****************************************************************************
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Memory management - not part of COsSupport
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****************************************************************************/
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//===========================================================================
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//
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// Init the memory tracking counter; right now, this just uses a simple
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// scheme that tracks the number of allocations
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//
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//===========================================================================
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DWORD gdwAllocNonPagedCount = 0;
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rtm_pool * echo_pool = 0;
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void OsAllocateInit()
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{
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gdwAllocNonPagedCount = 0;
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rtm_create_pool(&echo_pool,0xFFFF, ECHO_POOL_TAG);
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if ( NULL == echo_pool )
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{
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ECHO_DEBUGPRINTF( ("OsAllocateInit : Failed to create the pool\n") );
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ECHO_DEBUGBREAK();
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return;
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}
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} // OsAllocateInit
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//===========================================================================
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//
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// OsAllocateNonPaged is used to allocate a block of memory that will always
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// be resident; that is, this particular block of memory won't be swapped
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// out as virtual memory and can always be accessed at interrupt time.
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//
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// gdwAllocNonPagedCount tracks the number of times this has been
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// successfully called.
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//
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// This is primarily used for overloading the new operator for the various
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// generic classes.
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//
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//===========================================================================
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ECHOSTATUS OsAllocateNonPaged
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(
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DWORD dwByteCt, // Block size in bytes
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PPVOID ppMemAddr // Where to return memory ptr
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)
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{
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*ppMemAddr = rtm_alloc( echo_pool, dwByteCt );
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if ( NULL == *ppMemAddr )
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{
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ECHO_DEBUGPRINTF( ("OsAllocateNonPaged : Failed on %d bytes\n",
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dwByteCt) );
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ECHO_DEBUGBREAK();
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return ECHOSTATUS_NO_MEM;
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}
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OsZeroMemory( *ppMemAddr, dwByteCt );
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gdwAllocNonPagedCount++;
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ECHO_DEBUGPRINTF(("gdwAllocNonPagedCount %d\n",gdwAllocNonPagedCount));
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return ECHOSTATUS_OK;
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} // ECHOSTATUS OsAllocateNonPaged
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//===========================================================================
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//
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// OsFreeNonPaged is used to free memory allocated by OsAllocateNonPaged.
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//
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// gdwAllocNonPagedCount tracks the number of times this has been
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// successfully called.
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//
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//===========================================================================
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ECHOSTATUS OsFreeNonPaged
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(
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PVOID pMemAddr
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)
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{
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rtm_free( pMemAddr );
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gdwAllocNonPagedCount--;
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ECHO_DEBUGPRINTF(("gdwAllocNonPagedCount %d\n",gdwAllocNonPagedCount));
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return ECHOSTATUS_OK;
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} // ECHOSTATUS OsFreeNonPaged
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//***********************************************************************
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//
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// This class is uniquely defined for each OS. It provides
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// information that other components may require.
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//
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// For example, in Windows NT it contains a device object used by various
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// memory management methods.
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//
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// An instance of this class must be constructed and initialized prior to
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// constructing the CEchoGals derived object. The CEchoGals and
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// CDspCommObject classes must have access to it during their respective
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// construction times.
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//
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//***********************************************************************
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//===========================================================================
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//
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// Construction/destruction
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//
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//===========================================================================
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COsSupport::COsSupport
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(
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DWORD dwDeviceId // PCI bus subsystem ID
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)
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{
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m_ullStartTime = system_time(); // All system time calls relative to this
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m_dwDeviceId = dwDeviceId;
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} // COsSupport::COsSupport()
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COsSupport::~COsSupport()
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{
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} // COsSupport::~COsSupport()
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//===========================================================================
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//
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// Timer methods
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//
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//===========================================================================
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//---------------------------------------------------------------------------
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//
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// Return the system time in microseconds.
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// Return error status if the OS doesn't support this function.
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//
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//---------------------------------------------------------------------------
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ECHOSTATUS COsSupport::OsGetSystemTime
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(
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PULONGLONG pullTime // Where to return system time
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)
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{
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*pullTime = ULONGLONG(system_time());
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return ECHOSTATUS_OK;
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} // ECHOSTATUS COsSupport::OsGetSystemTime
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//---------------------------------------------------------------------------
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//
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// Stall execution for dwTime microseconds.
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// Return error status if the OS doesn't support this
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// function.
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//
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//---------------------------------------------------------------------------
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ECHOSTATUS COsSupport::OsSnooze
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(
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DWORD dwTime // Duration in micro seconds
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)
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{
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status_t status;
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status = snooze(bigtime_t(dwTime));
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switch (status) {
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case B_OK:
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return ECHOSTATUS_OK;
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break;
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case B_INTERRUPTED:
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return ECHOSTATUS_OPERATION_CANCELED; // maybe not appropriate, but anyway
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break;
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default:
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return ECHOSTATUS_NOT_SUPPORTED; // no generic error?
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break;
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}
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}
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//===========================================================================
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//
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// More memory management
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//
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//===========================================================================
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//---------------------------------------------------------------------------
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//
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// Allocate locked, non-pageable, physically contiguous memory pages
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// in the drivers address space. Used to allocate memory for the DSP
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// communications area.
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//
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// Currently, none of the generic code ever sets dwPageCt to higher than
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// one. On the platforms we've developed for so far, a page is 4096
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// bytes and is aligned on a 4096 byte boundary. None of the structures
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// allocated by OsPageAllocate are more than 4096 bytes; memory
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// allocated by this routine should be at least aligned on a 32 byte
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// boundary and be physically contiguous.
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//
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// Note that this code is not 64 bit ready, since it's only using
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// the low 32 bits of the physical address.
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//
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//---------------------------------------------------------------------------
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ECHOSTATUS COsSupport::OsPageAllocate
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(
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DWORD dwPageCt, // How many pages to allocate
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PPVOID ppPageAddr, // Where to return the memory ptr
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PPHYS_ADDR pPhysicalPageAddr // Where to return the physical PCI address
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)
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{
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PHYSICAL_ADDRESS LogicalAddress;
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*ppPageAddr = rtm_alloc ( echo_pool, dwPageCt );
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if (NULL != *ppPageAddr)
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{
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physical_entry PhysTemp;
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get_memory_map(ppPageAddr, dwPageCt, &PhysTemp, 1);
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PhysTemp = MmGetPhysicalAddress(*ppPageAddr); // XXX: ?
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*pPhysicalPageAddr = PhysTemp.address;
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}
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OsZeroMemory( *ppPageAddr, dwPageCt * PAGE_SIZE );
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return ECHOSTATUS_OK;
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} // ECHOSTATUS COsSupport::OsPageAllocate
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//---------------------------------------------------------------------------
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//
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// Unlock and free non-pageable, physically contiguous memory pages in
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// the drivers address space; the inverse of OsPageAllocate
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//
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//---------------------------------------------------------------------------
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ECHOSTATUS COsSupport::OsPageFree
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(
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DWORD dwPageCt, // How many pages to free
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PVOID pPageAddr, // Virtual memory ptr
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PHYS_ADDR PhysicalPageAddr // Physical PCI addr
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)
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{
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PHYSICAL_ADDRESS LogicalAddress;
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if (NULL == pPageAddr)
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return ECHOSTATUS_OK;
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rtm_free(pPageAddr);
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return ECHOSTATUS_OK;
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} // ECHOSTATUS COsSupport::OsPageFree
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//---------------------------------------------------------------------------
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//
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// Display an error message w/title; currently not supported under WDM.
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//
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//---------------------------------------------------------------------------
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void COsSupport::EchoErrorMsg
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(
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PCHAR pszMsg,
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PCHAR pszTitle
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)
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{
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BAlert alert(pszTitle,pszMsg,"Ok",NULL,NULL,B_WIDTH_AS_USUAL,B_STOP_ALERT);
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alert.Go();
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} // void COsSupport::EchoErrorMsg( PCHAR )
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//---------------------------------------------------------------------------
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//
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// Overload new & delete so memory for this object is allocated from
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// non-paged memory.
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//
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//---------------------------------------------------------------------------
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PVOID COsSupport::operator new( size_t Size )
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{
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PVOID pMemory;
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// not from our pool since that may not be around yet
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pMemory = rtm_alloc(NULL,Size);
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if ( NULL == pMemory )
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{
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ECHO_DEBUGPRINTF(("COsSupport::operator new - memory allocation failed\n"));
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pMemory = NULL;
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}
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else
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||||
{
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memset( pMemory, 0, Size );
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}
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return pMemory;
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} // PVOID COsSupport::operator new( size_t Size )
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VOID COsSupport::operator delete( PVOID pVoid )
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{
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status_t status;
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status = rtm_free(pVoid);
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||||
|
||||
if (status != B_OK) {
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||||
ECHO_DEBUGPRINTF(("COsSupport::operator delete "
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"memory free failed\n"));
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||||
}
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||||
|
||||
} // VOID COsSupport::operator delete( PVOID pVoid )
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|
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@ -0,0 +1,287 @@
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// ****************************************************************************
|
||||
//
|
||||
// OsSupportBeOS.H
|
||||
//
|
||||
// Include file for BeOS Support Services to the CEchoGals
|
||||
// generic driver class
|
||||
//
|
||||
// Set editor tabs to 3 for your viewing pleasure.
|
||||
//
|
||||
// ----------------------------------------------------------------------------
|
||||
//
|
||||
// Copyright Echo Digital Audio Corporation (c) 1998 - 2002
|
||||
// All rights reserved
|
||||
// www.echoaudio.com
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a
|
||||
// copy of this software and associated documentation files (the
|
||||
// "Software"), to deal with the Software without restriction, including
|
||||
// without limitation the rights to use, copy, modify, merge, publish,
|
||||
// distribute, sublicense, and/or sell copies of the Software, and to
|
||||
// permit persons to whom the Software is furnished to do so, subject to
|
||||
// the following conditions:
|
||||
//
|
||||
// - Redistributions of source code must retain the above copyright
|
||||
// notice, this list of conditions and the following disclaimers.
|
||||
//
|
||||
// - Redistributions in binary form must reproduce the above copyright
|
||||
// notice, this list of conditions and the following disclaimers in the
|
||||
// documentation and/or other materials provided with the distribution.
|
||||
//
|
||||
// - Neither the name of Echo Digital Audio, nor the names of its
|
||||
// contributors may be used to endorse or promote products derived from
|
||||
// this Software without specific prior written permission.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
// IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR
|
||||
// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
// SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE SOFTWARE.
|
||||
//
|
||||
// ****************************************************************************
|
||||
|
||||
#ifdef _DEBUG
|
||||
#pragma optimize("",off)
|
||||
#endif
|
||||
|
||||
// Prevent problems with multiple includes
|
||||
#ifndef _ECHOOSSUPPORTBEOS_
|
||||
#define _ECHOOSSUPPORTBEOS_
|
||||
|
||||
extern "C"
|
||||
{
|
||||
#include <stdio.h>
|
||||
#include <endian.h>
|
||||
|
||||
#ifdef _DEBUG
|
||||
|
||||
#include <KernelExport.h>
|
||||
|
||||
extern "C"
|
||||
{
|
||||
|
||||
// BeOS debug printf macro
|
||||
//#define ECHO_DEBUGPRINTF( strings ) DbgPrint##strings
|
||||
#define ECHO_DEBUGPRINTF( strings ) dprintf##strings
|
||||
//#define ECHO_DEBUGBREAK()
|
||||
#define ECHO_DEBUGBREAK() kernel_debugger("echo driver debug break");
|
||||
#define ECHO_DEBUG
|
||||
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
#define ECHO_DEBUGPRINTF( strings )
|
||||
#define ECHO_DEBUGBREAK()
|
||||
|
||||
#endif
|
||||
|
||||
//
|
||||
// Specify OS specific types
|
||||
//
|
||||
typedef void ** PPVOID;
|
||||
typedef signed char INT8;
|
||||
typedef int32 INT32;
|
||||
typedef int32 WORD;
|
||||
typedef int64 DWORD;
|
||||
typedef void * PVOID;
|
||||
typedef unsigned long long ULONGLONG;
|
||||
typedef unsigned long long * PULONGLONG;
|
||||
typedef char * PCHAR;
|
||||
|
||||
//
|
||||
// Return Status Values
|
||||
//
|
||||
typedef unsigned long ECHOSTATUS;
|
||||
|
||||
|
||||
//
|
||||
// Define generic byte swapping functions
|
||||
//
|
||||
#ifdef BIG_ENDIAN
|
||||
#include <ByteOrder.h>
|
||||
WORD B_HOST_TO_LENDIAN( WORD in ) { return B_HOST_TO_LENDIAN_INT32(in); }
|
||||
DWORD B_HOST_TO_LENDIAN( DWORD in ) { return B_HOST_TO_LENDIAN_INT64(in); }
|
||||
#define SWAP(x) B_HOST_TO_LENDIAN( x )
|
||||
#else
|
||||
#define SWAP(x) x
|
||||
#endif
|
||||
//
|
||||
// Define what a physical address is on this OS
|
||||
//
|
||||
typedef unsigned long PHYS_ADDR; // Define physical addr type
|
||||
typedef unsigned long * PPHYS_ADDR; // Define physical addr pointer type
|
||||
|
||||
//
|
||||
// Global Memory Management Functions
|
||||
//
|
||||
|
||||
//
|
||||
// This tag is used to mark all memory allocated by EchoGals.
|
||||
// Due to the way PoolMon displays things, we spell Echo backwards
|
||||
// so it displays correctly.
|
||||
//
|
||||
#define ECHO_POOL_TAG 'OHCE'
|
||||
|
||||
|
||||
//
|
||||
// OsAllocateInit - Set up memory tracking. Call this once - not
|
||||
// once per PCI card, just one time.
|
||||
//
|
||||
void OsAllocateInit();
|
||||
|
||||
//
|
||||
// Allocate locked, non-pageable block of memory. Does not have to be
|
||||
// physically contiguous. Primarily used to implement the overloaded
|
||||
// new operator for classes that must remain memory resident.
|
||||
//
|
||||
ECHOSTATUS OsAllocateNonPaged
|
||||
(
|
||||
DWORD dwByteCt,
|
||||
PPVOID ppMemAddr
|
||||
);
|
||||
|
||||
|
||||
//
|
||||
// Unlock and free, non-pageable block of memory.
|
||||
//
|
||||
ECHOSTATUS OsFreeNonPaged
|
||||
(
|
||||
PVOID pMemAddr
|
||||
);
|
||||
|
||||
|
||||
//
|
||||
// Copy memory
|
||||
//
|
||||
#define OsCopyMemory(pDest,pSrc,dwBytes) memcpy(pDest,pSrc,dwBytes)
|
||||
|
||||
//
|
||||
// Set memory to zero
|
||||
//
|
||||
#define OsZeroMemory(pDest,dwBytes) memset(pDest,0,dwBytes)
|
||||
|
||||
|
||||
//
|
||||
// This class is uniquely defined for each OS. It provides
|
||||
// information that other components may require.
|
||||
// For example, in Windows NT it contains a device object used by various
|
||||
// memory management methods.
|
||||
// Since static variables are used in place of globals, an instance must
|
||||
// be constructed and initialized by the OS Interface object prior to
|
||||
// constructing the CEchoGals derived object. The CEchoGals and
|
||||
// CDspCommObject classes must have access to it during their respective
|
||||
// construction times.
|
||||
//
|
||||
class COsSupport
|
||||
{
|
||||
public:
|
||||
//
|
||||
// Construction/destruction
|
||||
//
|
||||
COsSupport
|
||||
(
|
||||
DWORD dwDeviceId // PCI bus device id
|
||||
);
|
||||
|
||||
~COsSupport();
|
||||
|
||||
//
|
||||
// Timer Methods
|
||||
//
|
||||
|
||||
//
|
||||
// Return the system time in microseconds.
|
||||
// Return error status if the OS doesn't support this function.
|
||||
//
|
||||
ECHOSTATUS OsGetSystemTime
|
||||
(
|
||||
PULONGLONG pullTime
|
||||
);
|
||||
|
||||
|
||||
//
|
||||
// Stall execution for dwTime microseconds.
|
||||
// Return error status if the OS doesn't support this function.
|
||||
//
|
||||
ECHOSTATUS OsSnooze
|
||||
(
|
||||
DWORD dwTime
|
||||
);
|
||||
|
||||
|
||||
//
|
||||
// Memory Management Methods
|
||||
//
|
||||
|
||||
//
|
||||
// Allocate locked, non-pageable, physically contiguous memory pages
|
||||
// in the drivers address space. Used to allocate memory for the DSP
|
||||
// communications area and Ducks.
|
||||
//
|
||||
ECHOSTATUS OsPageAllocate
|
||||
(
|
||||
DWORD dwPageCt, // How many pages to allocate
|
||||
PPVOID ppPageAddr, // Where to return the memory ptr
|
||||
PPHYS_ADDR pPhysicalPageAddr // Where to return the physical PCI addr
|
||||
);
|
||||
|
||||
//
|
||||
// Unlock and free non-pageable, physically contiguous memory pages
|
||||
// in the drivers address space.
|
||||
// Used to free memory for the DSP communications area and Ducks.
|
||||
//
|
||||
ECHOSTATUS OsPageFree
|
||||
(
|
||||
DWORD dwPageCt, // How many pages to free
|
||||
PVOID pPageAddr, // Virtual memory ptr
|
||||
PHYS_ADDR PhysicalPageAddr // Physical PCI addr
|
||||
);
|
||||
|
||||
//
|
||||
// Add additional methods here
|
||||
//
|
||||
|
||||
//
|
||||
// Display and/or log an error message w/title
|
||||
//
|
||||
void EchoErrorMsg
|
||||
(
|
||||
PCHAR pszMsg,
|
||||
PCHAR pszTitle
|
||||
);
|
||||
|
||||
//
|
||||
// Return PCI card device ID
|
||||
//
|
||||
DWORD GetDeviceId()
|
||||
{ return( m_dwDeviceId ); }
|
||||
|
||||
//
|
||||
// Overload new & delete so memory for this object is allocated
|
||||
// from non-paged memory.
|
||||
//
|
||||
PVOID operator new( size_t Size );
|
||||
VOID operator delete( PVOID pVoid );
|
||||
|
||||
protected:
|
||||
|
||||
private:
|
||||
DWORD m_dwDeviceId; // PCI Device ID
|
||||
|
||||
//
|
||||
// Define data here.
|
||||
//
|
||||
|
||||
KIRQL m_IrqlCurrent; // Old IRQ level
|
||||
bigtime_t m_ullStartTime; // All system time relative to this time
|
||||
class CPtrQueue * m_pPtrQue; // Store read only ptrs so they
|
||||
// can be unmapped
|
||||
|
||||
}; // class COsSupport
|
||||
|
||||
typedef COsSupport * PCOsSupport;
|
||||
|
||||
#endif // _ECHOOSSUPPORTBEOS_
|
||||
Loading…
Reference in New Issue