| /*************************************************************************/ /*! |
| @File |
| @Title arm specific OS functions |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description OS functions who's implementation are processor specific |
| @License MIT |
| |
| The contents of this file are subject to the MIT license as set out below. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), to deal |
| in 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: |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| This License is also included in this distribution in the file called |
| "MIT-COPYING". |
| |
| EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) 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; AND (B) IN NO EVENT SHALL THE AUTHORS 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 IN THE SOFTWARE. |
| */ /**************************************************************************/ |
| |
| #include <zircon/syscalls.h> |
| |
| extern "C" { |
| #include "img_types.h" |
| #include "osfunc.h" |
| #include "pvrsrv_error.h" |
| } |
| |
| #if defined(CONFIG_OUTER_CACHE) |
| /* If you encounter a 64-bit ARM system with an outer cache, you'll need |
| * to add the necessary code to manage that cache. See osfunc_arm.c |
| * for an example of how to do so. |
| */ |
| #error "CONFIG_OUTER_CACHE not supported on arm64." |
| #endif |
| |
| #define NOT_IMPLEMENTED() fprintf(stderr, PVR_BUILD_DIR ": Not implemented in %s:%s:%d\n", __func__, __FILE__, __LINE__); |
| |
| PVRSRV_ERROR |
| OSCPUOperation(PVRSRV_CACHE_OP uiCacheOp) |
| { |
| // Zircon doesn't support doing a global cache flush. If this returns not |
| // supported, the client can handle flushing individual cache lines. |
| return PVRSRV_ERROR_NOT_SUPPORTED; |
| } |
| |
| void |
| OSCPUCacheFlushRangeKM(PVRSRV_DEVICE_NODE *psDevNode, |
| void *pvVirtStart, |
| void *pvVirtEnd, |
| IMG_CPU_PHYADDR sCPUPhysStart, |
| IMG_CPU_PHYADDR sCPUPhysEnd) |
| { |
| uintptr_t size = reinterpret_cast<uintptr_t>(pvVirtEnd) - reinterpret_cast<uintptr_t>(pvVirtStart); |
| zx_cache_flush(pvVirtStart, size, ZX_CACHE_FLUSH_DATA | ZX_CACHE_FLUSH_INVALIDATE); |
| } |
| |
| void |
| OSCPUCacheCleanRangeKM(PVRSRV_DEVICE_NODE *psDevNode, |
| void *pvVirtStart, |
| void *pvVirtEnd, |
| IMG_CPU_PHYADDR sCPUPhysStart, |
| IMG_CPU_PHYADDR sCPUPhysEnd) |
| { |
| uintptr_t size = reinterpret_cast<uintptr_t>(pvVirtEnd) - reinterpret_cast<uintptr_t>(pvVirtStart); |
| zx_cache_flush(pvVirtStart, size, ZX_CACHE_FLUSH_DATA); |
| } |
| |
| void |
| OSCPUCacheInvalidateRangeKM(PVRSRV_DEVICE_NODE *psDevNode, |
| void *pvVirtStart, |
| void *pvVirtEnd, |
| IMG_CPU_PHYADDR sCPUPhysStart, |
| IMG_CPU_PHYADDR sCPUPhysEnd) |
| { |
| // Pure invalidate isn't possible without a VMO handle and access to kernel |
| // mode, so hopefully clean + invalidate is ok. It normally should work, |
| // since the CPU can clean the cache whenever it wants to. |
| uintptr_t size = reinterpret_cast<uintptr_t>(pvVirtEnd) - reinterpret_cast<uintptr_t>(pvVirtStart); |
| zx_cache_flush(pvVirtStart, size, ZX_CACHE_FLUSH_DATA | ZX_CACHE_FLUSH_INVALIDATE); |
| } |
| |
| PVRSRV_CACHE_OP_ADDR_TYPE |
| OSCPUCacheOpAddressType(void) |
| { |
| return PVRSRV_CACHE_OP_ADDR_TYPE_VIRTUAL; |
| } |
| |
| void |
| OSUserModeAccessToPerfCountersEn(void) |
| { |
| NOT_IMPLEMENTED(); |
| /* FIXME: implement similarly to __arm__ */ |
| } |