1 /*
2 * SPDX-FileCopyrightText: Copyright (c) 2014-2016 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
3 * SPDX-License-Identifier: MIT
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23 #include "nvport/nvport.h"
24
25 typedef struct _PORT_STATE
26 {
27 NvU32 initCount;
28 } PORT_STATE;
29 static PORT_STATE portState;
30
31 // RISC-V implementation of atomics requires initialization
32 // Disable initCount atomic operations for RISC-V builds
33 #if PORT_IS_MODULE_SUPPORTED(atomic) && !NVCPU_IS_RISCV64
34 #define PORT_DEC(x) portAtomicDecrementS32((volatile NvS32 *)&x)
35 #define PORT_INC(x) portAtomicIncrementS32((volatile NvS32 *)&x)
36 #else
37 #define PORT_DEC(x) --x
38 #define PORT_INC(x) ++x
39 #endif
40
41
42 /// @todo Add better way to initialize all modules
portInitialize(void)43 NV_STATUS portInitialize(void)
44 {
45 if (PORT_INC(portState.initCount) == 1)
46 {
47 #if PORT_IS_MODULE_SUPPORTED(debug)
48 portDbgInitialize();
49 #endif
50 #if PORT_IS_MODULE_SUPPORTED(atomic)
51 portAtomicInit();
52 #endif
53 #if PORT_IS_MODULE_SUPPORTED(sync)
54 portSyncInitialize();
55 #endif
56 #if PORT_IS_MODULE_SUPPORTED(memory)
57 portMemInitialize();
58 #endif
59 #if PORT_IS_MODULE_SUPPORTED(crypto)
60 portCryptoInitialize();
61 #endif
62 #if PORT_IS_MODULE_SUPPORTED(cpu)
63 portCpuInitialize();
64 #endif
65 }
66 return NV_OK;
67 }
68
portShutdown(void)69 void portShutdown(void)
70 {
71 if (PORT_DEC(portState.initCount) == 0)
72 {
73 #if PORT_IS_MODULE_SUPPORTED(cpu)
74 portCpuShutdown();
75 #endif
76 #if PORT_IS_MODULE_SUPPORTED(crypto)
77 portCryptoShutdown();
78 #endif
79 #if PORT_IS_MODULE_SUPPORTED(memory)
80 #if (!defined(DEBUG) || defined(NV_MODS)) && !NVCPU_IS_RISCV64
81 portMemShutdown(NV_TRUE);
82 #else
83 portMemShutdown(NV_FALSE);
84 #endif
85 #endif
86 #if PORT_IS_MODULE_SUPPORTED(sync)
87 portSyncShutdown();
88 #endif
89 #if PORT_IS_MODULE_SUPPORTED(debug)
90 portDbgShutdown();
91 #endif
92 }
93 }
94
portIsInitialized(void)95 NvBool portIsInitialized(void)
96 {
97 return portState.initCount > 0;
98 }
99