| # Copyright 2020 The Pigweed Authors |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| # use this file except in compliance with the License. You may obtain a copy of |
| # the License at |
| # |
| # https://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # License for the specific language governing permissions and limitations under |
| # the License. |
| |
| load( |
| "//pw_build:pigweed.bzl", |
| "pw_cc_library", |
| ) |
| load( |
| "//pw_build/bazel_internal:pigweed_internal.bzl", |
| "pw_linker_script", |
| ) |
| |
| package(default_visibility = ["//visibility:public"]) |
| |
| licenses(["notice"]) |
| |
| pw_linker_script( |
| name = "basic_linker_script", |
| # These come from |
| # https://cs.opensource.google/pigweed/pigweed/+/main:targets/stm32f429i_disc1/target_toolchains.gni |
| # TODO(tpudlik): Figure out how to share them between bazel and GN. |
| defines = [ |
| "PW_BOOT_FLASH_BEGIN=0x08000200", |
| "PW_BOOT_FLASH_SIZE=1024K", |
| "PW_BOOT_HEAP_SIZE=112K", |
| "PW_BOOT_MIN_STACK_SIZE=1K", |
| "PW_BOOT_RAM_BEGIN=0x20000000", |
| "PW_BOOT_RAM_SIZE=192K", |
| "PW_BOOT_VECTOR_TABLE_BEGIN=0x08000000", |
| "PW_BOOT_VECTOR_TABLE_SIZE=512", |
| ], |
| linker_script = "//pw_boot_cortex_m:basic_cortex_m.ld", |
| ) |
| |
| pw_cc_library( |
| name = "pre_init", |
| srcs = [ |
| "boot.cc", |
| "vector_table.c", |
| ], |
| defines = [ |
| "PW_MALLOC_ACTIVE=1", |
| ], |
| deps = [ |
| "//pw_boot", |
| "//pw_malloc", |
| "//pw_preprocessor", |
| "//pw_sys_io_baremetal_stm32f429", |
| ], |
| # TODO(b/251939135): Remove the need for alwayslink by rethinking how |
| # pw_boot_cortex_m is structured in the build system. |
| alwayslink = 1, |
| ) |