1 // Copyright 2023 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "GoldfishDma.h" 16 #include "dma_device.h" 17 defaultDmaGetHostAddr(uint64_t guest_paddr)18static void* defaultDmaGetHostAddr(uint64_t guest_paddr) { return nullptr; } defaultDmaUnlock(uint64_t addr)19static void defaultDmaUnlock(uint64_t addr) { } 20 21 namespace emugl { 22 23 emugl_dma_get_host_addr_t g_emugl_dma_get_host_addr = defaultDmaGetHostAddr; 24 emugl_dma_unlock_t g_emugl_dma_unlock = defaultDmaUnlock; 25 set_emugl_dma_get_host_addr(emugl_dma_get_host_addr_t f)26void set_emugl_dma_get_host_addr(emugl_dma_get_host_addr_t f) { 27 g_emugl_dma_get_host_addr = f; 28 } 29 set_emugl_dma_unlock(emugl_dma_unlock_t f)30void set_emugl_dma_unlock(emugl_dma_unlock_t f) { 31 g_emugl_dma_unlock = f; 32 } 33 34 } // namespace emugl 35