struct page *LinuxMemAreaOffsetToPage(struct LinuxMemArea *psLinuxMemArea,
u32 ui32ByteOffset)
{
u32 ui32PageIndex;
char *pui8Addr;
switch (psLinuxMemArea->eAreaType) {
case LINUX_MEM_AREA_ALLOC_PAGES:
ui32PageIndex = PHYS_TO_PFN(ui32ByteOffset);
return
psLinuxMemArea->uData.sPageList.pvPageList[ui32PageIndex];
break;
case LINUX_MEM_AREA_VMALLOC:
pui8Addr = psLinuxMemArea->uData.sVmalloc.pvVmallocAddress;
pui8Addr += ui32ByteOffset;
return vmalloc_to_page(pui8Addr);
break;
case LINUX_MEM_AREA_SUB_ALLOC:
return LinuxMemAreaOffsetToPage(psLinuxMemArea->
uData.sSubAlloc.psParentLinuxMemArea,
psLinuxMemArea->
uData.sSubAlloc.ui32ByteOffset +
ui32ByteOffset);
default:
PVR_DPF(PVR_DBG_ERROR, "%s: Unsupported request for "
"struct page from struct LinuxMemArea with type=%s",
LinuxMemAreaTypeToString(psLinuxMemArea->eAreaType));
return NULL;
}
}
enum PVRSRV_ERROR PDumpMemKM(void *pvAltLinAddr,
struct PVRSRV_KERNEL_MEM_INFO *psMemInfo,
u32 ui32Offset, u32 ui32Bytes, u32 ui32Flags,
void *hUniqueTag)
{
u32 ui32PageByteOffset;
u8 *pui8DataLinAddr;
struct IMG_DEV_VIRTADDR sDevVPageAddr;
struct IMG_DEV_VIRTADDR sDevVAddr;
struct IMG_DEV_PHYADDR sDevPAddr;
struct IMG_CPU_PHYADDR CpuPAddr;
u32 ui32ParamOutPos;
u32 ui32CurrentOffset;
u32 ui32BytesRemaining;
struct LinuxMemArea *psLinuxMemArea;
enum LINUX_MEM_AREA_TYPE eRootAreaType;
char *pui8TransientCpuVAddr;
__PDBG_PDUMP_STATE_GET_SCRIPT_AND_FILE_STRING(PVRSRV_ERROR_GENERIC);
PVR_ASSERT((ui32Offset + ui32Bytes) <= psMemInfo->ui32AllocSize);
if (ui32Bytes == 0 || gui32PDumpSuspended)
return PVRSRV_OK;
if (pvAltLinAddr) {
pui8DataLinAddr = pvAltLinAddr;
} else if (psMemInfo->pvLinAddrKM) {
pui8DataLinAddr =
(u8 *) psMemInfo->pvLinAddrKM + ui32Offset;
} else {
pui8DataLinAddr = 0;
psLinuxMemArea =
(struct LinuxMemArea *)psMemInfo->sMemBlk.hOSMemHandle;
eRootAreaType = LinuxMemAreaRootType(psLinuxMemArea);
}
ui32ParamOutPos =
gpfnDbgDrv->pfnGetStreamOffset(gsDBGPdumpState.
psStream[PDUMP_STREAM_PARAM2]);
if (pui8DataLinAddr) {
if (!PDumpWriteILock
(gsDBGPdumpState.psStream[PDUMP_STREAM_PARAM2],
pui8DataLinAddr, ui32Bytes, ui32Flags))
return PVRSRV_ERROR_GENERIC;
} else if (eRootAreaType == LINUX_MEM_AREA_IO) {
CpuPAddr =
OSMemHandleToCpuPAddr(psMemInfo->sMemBlk.hOSMemHandle,
ui32Offset);
pui8TransientCpuVAddr =
IORemapWrapper(CpuPAddr, ui32Bytes, PVRSRV_HAP_CACHED);
if (!PDumpWriteILock
(gsDBGPdumpState.psStream[PDUMP_STREAM_PARAM2],
pui8TransientCpuVAddr, ui32Bytes, ui32Flags)) {
IOUnmapWrapper(pui8TransientCpuVAddr);
return PVRSRV_ERROR_GENERIC;
}
IOUnmapWrapper(pui8TransientCpuVAddr);
} else {
PVR_ASSERT(eRootAreaType == LINUX_MEM_AREA_ALLOC_PAGES);
ui32BytesRemaining = ui32Bytes;
ui32CurrentOffset = ui32Offset;
while (ui32BytesRemaining > 0) {
u32 ui32BlockBytes =
MIN(ui32BytesRemaining, PAGE_SIZE);
struct page *psCurrentPage = NULL;
CpuPAddr =
OSMemHandleToCpuPAddr(psMemInfo->sMemBlk.
hOSMemHandle,
ui32CurrentOffset);
if (CpuPAddr.uiAddr & (PAGE_SIZE - 1))
ui32BlockBytes =
MIN(ui32BytesRemaining,
PAGE_ALIGN(CpuPAddr.uiAddr) -
CpuPAddr.uiAddr);
psCurrentPage =
LinuxMemAreaOffsetToPage(psLinuxMemArea,
ui32CurrentOffset);
pui8TransientCpuVAddr = KMapWrapper(psCurrentPage);
pui8TransientCpuVAddr += (CpuPAddr.uiAddr & ~PAGE_MASK);
if (!pui8TransientCpuVAddr)
return PVRSRV_ERROR_GENERIC;
if (!PDumpWriteILock
(gsDBGPdumpState.psStream[PDUMP_STREAM_PARAM2],
pui8TransientCpuVAddr, ui32BlockBytes,
ui32Flags)) {
KUnMapWrapper(psCurrentPage);
return PVRSRV_ERROR_GENERIC;
}
KUnMapWrapper(psCurrentPage);
ui32BytesRemaining -= ui32BlockBytes;
ui32CurrentOffset += ui32BlockBytes;
}
PVR_ASSERT(ui32BytesRemaining == 0);
}
if (gsDBGPdumpState.ui32ParamFileNum == 0)
snprintf(pszFile, SZ_FILENAME_SIZE_MAX, "%%0%%.prm");
else
snprintf(pszFile, SZ_FILENAME_SIZE_MAX, "%%0%%%lu.prm",
gsDBGPdumpState.ui32ParamFileNum);
snprintf(pszScript,
SZ_SCRIPT_SIZE_MAX,
"-- LDB :SGXMEM:VA_%8.8lX:0x%8.8lX 0x%8.8lX 0x%8.8lX %s\r\n",
psMemInfo->sDevVAddr.uiAddr,
ui32Offset, ui32Bytes, ui32ParamOutPos, pszFile);
PDumpWriteString2(pszScript, ui32Flags);
CpuPAddr =
OSMemHandleToCpuPAddr(psMemInfo->sMemBlk.hOSMemHandle, ui32Offset);
ui32PageByteOffset = CpuPAddr.uiAddr & (PAGE_SIZE - 1);
sDevVAddr = psMemInfo->sDevVAddr;
sDevVAddr.uiAddr += ui32Offset;
ui32BytesRemaining = ui32Bytes;
ui32CurrentOffset = ui32Offset;
while (ui32BytesRemaining > 0) {
u32 ui32BlockBytes = MIN(ui32BytesRemaining, PAGE_SIZE);
CpuPAddr =
OSMemHandleToCpuPAddr(psMemInfo->sMemBlk.hOSMemHandle,
ui32CurrentOffset);
sDevVPageAddr.uiAddr =
psMemInfo->sDevVAddr.uiAddr + ui32CurrentOffset -
ui32PageByteOffset;
BM_GetPhysPageAddr(psMemInfo, sDevVPageAddr, &sDevPAddr);
sDevPAddr.uiAddr += ui32PageByteOffset;
if (ui32PageByteOffset) {
ui32BlockBytes =
MIN(ui32BytesRemaining,
PAGE_ALIGN(CpuPAddr.uiAddr) - CpuPAddr.uiAddr);
ui32PageByteOffset = 0;
}
snprintf(pszScript,
SZ_SCRIPT_SIZE_MAX,
"LDB :SGXMEM:PA_%p%8.8lX:0x%8.8lX 0x%8.8lX "
"0x%8.8lX %s\r\n",
hUniqueTag,
sDevPAddr.uiAddr & ~(SGX_MMU_PAGE_SIZE - 1),
sDevPAddr.uiAddr & (SGX_MMU_PAGE_SIZE - 1),
ui32BlockBytes, ui32ParamOutPos, pszFile);
PDumpWriteString2(pszScript, ui32Flags);
ui32BytesRemaining -= ui32BlockBytes;
ui32CurrentOffset += ui32BlockBytes;
ui32ParamOutPos += ui32BlockBytes;
}
PVR_ASSERT(ui32BytesRemaining == 0);
return PVRSRV_OK;
}
