Prashanth Swaminathan | acbd070 | 2021-01-22 11:58:15 -0800 | [diff] [blame] | 1 | # Copyright 2021 The Pigweed Authors |
| 2 | # |
| 3 | # Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 4 | # use this file except in compliance with the License. You may obtain a copy of |
| 5 | # the License at |
| 6 | # |
| 7 | # https://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, WITHOUT |
| 11 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 12 | # License for the specific language governing permissions and limitations under |
| 13 | # the License. |
| 14 | |
| 15 | import("//build_overrides/pigweed.gni") |
| 16 | |
| 17 | import("$dir_pw_build/target_types.gni") |
| 18 | import("$dir_pw_chrono/backend.gni") |
| 19 | import("$dir_pw_docgen/docs.gni") |
| 20 | |
| 21 | config("public_include_path") { |
| 22 | include_dirs = [ "public" ] |
| 23 | visibility = [ ":*" ] |
| 24 | } |
| 25 | |
| 26 | config("backend_config") { |
| 27 | include_dirs = [ "public_overrides" ] |
| 28 | visibility = [ ":*" ] |
| 29 | } |
| 30 | |
Ewout van Bekkum | 126e011 | 2021-03-12 10:59:49 -0800 | [diff] [blame] | 31 | # This target provides the backend for pw::sync::InterruptSpinLock. |
| 32 | # The provided implementation makes a single attempt to acquire the lock and |
| 33 | # asserts if it is unavailable. It does not perform interrupt masking or disable |
| 34 | # global interrupts, so this implementation does not support simultaneous |
| 35 | # multi-threaded environments including IRQs, and is only meant to prevent |
Prashanth Swaminathan | f605f2d | 2021-05-17 11:49:38 -0700 | [diff] [blame] | 36 | # data corruption. This implementation is not yet set up to support hardware |
| 37 | # multi-threading (SMP, SMT, etc). |
Ewout van Bekkum | 126e011 | 2021-03-12 10:59:49 -0800 | [diff] [blame] | 38 | pw_source_set("interrupt_spin_lock") { |
Prashanth Swaminathan | acbd070 | 2021-01-22 11:58:15 -0800 | [diff] [blame] | 39 | public_configs = [ |
| 40 | ":public_include_path", |
| 41 | ":backend_config", |
| 42 | ] |
| 43 | public = [ |
Ewout van Bekkum | 126e011 | 2021-03-12 10:59:49 -0800 | [diff] [blame] | 44 | "public/pw_sync_baremetal/interrupt_spin_lock_inline.h", |
| 45 | "public/pw_sync_baremetal/interrupt_spin_lock_native.h", |
| 46 | "public_overrides/pw_sync_backend/interrupt_spin_lock_inline.h", |
| 47 | "public_overrides/pw_sync_backend/interrupt_spin_lock_native.h", |
Prashanth Swaminathan | acbd070 | 2021-01-22 11:58:15 -0800 | [diff] [blame] | 48 | ] |
| 49 | public_deps = [ |
| 50 | "$dir_pw_assert", |
Ewout van Bekkum | 126e011 | 2021-03-12 10:59:49 -0800 | [diff] [blame] | 51 | "$dir_pw_sync:interrupt_spin_lock.facade", |
Prashanth Swaminathan | acbd070 | 2021-01-22 11:58:15 -0800 | [diff] [blame] | 52 | "$dir_pw_sync:yield_core", |
| 53 | ] |
| 54 | } |
| 55 | |
Prashanth Swaminathan | f605f2d | 2021-05-17 11:49:38 -0700 | [diff] [blame] | 56 | # This target provides the backend for pw::sync::Mutex. |
| 57 | # The provided implementation makes a single attempt to acquire the lock and |
| 58 | # asserts if it is unavailable. This implementation is not yet set up to support |
| 59 | # hardware multi-threading (SMP, SMT, etc). |
| 60 | pw_source_set("mutex") { |
| 61 | public_configs = [ |
| 62 | ":public_include_path", |
| 63 | ":backend_config", |
| 64 | ] |
| 65 | public = [ |
| 66 | "public/pw_sync_baremetal/mutex_inline.h", |
| 67 | "public/pw_sync_baremetal/mutex_native.h", |
| 68 | "public_overrides/pw_sync_backend/mutex_inline.h", |
| 69 | "public_overrides/pw_sync_backend/mutex_native.h", |
| 70 | ] |
| 71 | public_deps = [ |
| 72 | "$dir_pw_assert", |
| 73 | "$dir_pw_sync:mutex.facade", |
| 74 | ] |
| 75 | } |
| 76 | |
Prashanth Swaminathan | acbd070 | 2021-01-22 11:58:15 -0800 | [diff] [blame] | 77 | pw_doc_group("docs") { |
| 78 | sources = [ "docs.rst" ] |
| 79 | } |