Import of the watch repository from Pebble

tools/qemu_spi_cooker/src/qemu_spi_cooker.c

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+/*
+ * Copyright 2024 Google LLC
+ *
+ * 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
+ *
+ *     http://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.
+ */
+
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+
+#include "clar_asserts.h"
+
+#include "drivers/flash.h"
+#include "flash_region/flash_region.h"
+#include "services/normal/filesystem/pfs.h"
+#include "util/math.h"
+
+#include "stubs_analytics.h"
+#include "stubs_hexdump.h"
+#include "stubs_logging.h"
+#include "stubs_mutex.h"
+#include "stubs_passert.h"
+#include "stubs_pbl_malloc.h"
+#include "stubs_pebble_tasks.h"
+#include "stubs_print.h"
+#include "stubs_prompt.h"
+#include "stubs_serial.h"
+#include "stubs_sleep.h"
+#include "stubs_task_watchdog.h"
+#include "fake_spi_flash.h"
+
+void flash_region_erase_optimal_range_no_watchdog(
+    uint32_t min_start, uint32_t max_start,
+    uint32_t min_end, uint32_t max_end) {
+}
+
+static int prv_prebake_pfs(const char *filename) {
+  struct stat st;
+  if (stat(filename, &st) != 0) {
+    return 1;
+  }
+
+  fake_spi_flash_init(0, st.st_size);
+  fake_spi_flash_populate_from_file((char*)filename, 0);
+  pfs_init(true);
+
+  int fd = open(filename, O_RDWR);
+
+  uint8_t *spi_image_file = mmap(NULL, st.st_size, PROT_WRITE, MAP_SHARED, fd, 0);
+  flash_read_bytes(spi_image_file, 0, st.st_size);
+  munmap(spi_image_file, st.st_size);
+
+  close(fd);
+  fake_spi_flash_cleanup();
+
+  return 0;
+}
+
+int main(int argc, const char* argv[]) {
+  // SPI image file path always passed in as first argument
+  if (argc == 1) {
+    printf("No file specified. Pass a path to a QEMU SPI image. "
+        "(e.g. qemu_spi_cooker <spi_flash_img>)\n");
+    return 1;
+  }
+
+  return prv_prebake_pfs(argv[1]);
+}

tools/qemu_spi_cooker/wscript

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+import os
+import sh
+from waflib import Logs
+
+
+def build(bld):
+    qemu_spi_cooker_env = bld.all_envs['32bit'].derive()
+    output = bld.path.get_bld().parent.parent.make_node('qemu_spi_cooker')
+
+    sources = ["../../src/fw/services/normal/filesystem/flash_translation.c",
+               "../../src/fw/services/normal/filesystem/pfs.c",
+               "../../src/fw/flash_region/filesystem_regions.c",
+               "../../tests/fakes/fake_rtc.c",
+               "../../tests/fakes/fake_spi_flash.c",
+               "../../tests/stubs/stubs_clar.c",
+               "../../src/libutil/list.c",
+               "../../src/fw/util/crc8.c",
+               "../../src/fw/util/util_platform.c",
+               "../../src/fw/util/legacy_checksum.c"]
+
+    sources = [bld.path.find_node(s) for s in sources]
+    sources.extend(bld.path.ant_glob('src/*.c'))
+
+    includes = ["../clar",
+                "../../tests/stubs",
+                "../../tests/fakes",
+                "../../tests/test_includes",
+                "../../tests/overrides/default/",
+                "../../src/include",
+                "../../src/fw",
+                "../../src/libos/include",
+                "../../src/libutil/includes",
+                "../../src/fw/util/time",
+                "../../src/fw/vendor/FreeRTOS/Source/include",
+                "../../src/fw/vendor/FreeRTOS/Source/portable/GCC/ARM_CM3_PEBBLE"]
+
+    includes = [bld.path.find_node(i).abspath() for i in includes]
+
+    # # time_t is defined in sys/types in newlib, and time.h on recent Linux
+    # # so just force the defined type for testing time
+    # qemu_spi_cooker_env.CFLAGS.append('-Dtime_t=__SYSCALL_SLONG_TYPE')
+
+    platform_define = "PLATFORM_%s" % bld.get_platform_name().upper()
+
+    bld.program(source=sources,
+                target=output,
+                includes=includes,
+                defines=['UNITTEST', 'DUMA_DISABLED', 'PBL_COLOR', 'PBL_RECT', platform_define],
+                cflags='-Wno-format-security',
+                env=qemu_spi_cooker_env)
+
+
+# vim:filetype=python