Import of the watch repository from Pebble

platform/robert/boot/src/system/bootbits.h

@@ -0,0 +1,54 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef enum BootBitValue {
+  BOOT_BIT_INITIALIZED = 0x1 << 0,
+  BOOT_BIT_NEW_FW_AVAILABLE = 0x1 << 1,
+  BOOT_BIT_NEW_FW_UPDATE_IN_PROGRESS = 0x1 << 2,
+  BOOT_BIT_FW_START_FAIL_STRIKE_ONE = 0x1 << 3,
+  BOOT_BIT_FW_START_FAIL_STRIKE_TWO = 0x1 << 4,
+  BOOT_BIT_RECOVERY_LOAD_FAIL_STRIKE_ONE = 0x1 << 5,
+  BOOT_BIT_RECOVERY_LOAD_FAIL_STRIKE_TWO = 0x1 << 6,
+  BOOT_BIT_RECOVERY_START_IN_PROGRESS = 0x1 << 7,
+  BOOT_BIT_STANDBY_MODE_REQUESTED = 0x1 << 8, //!< Bootloader enter standby immediately after reset.
+  BOOT_BIT_SOFTWARE_FAILURE_OCCURRED = 0x1 << 9,
+  BOOT_BIT_NEW_SYSTEM_RESOURCES_AVAILABLE = 0x1 << 10,
+  BOOT_BIT_RESET_LOOP_DETECT_ONE = 0x1 << 11,
+  BOOT_BIT_RESET_LOOP_DETECT_TWO = 0x1 << 12,
+  BOOT_BIT_RESET_LOOP_DETECT_THREE = 0x1 << 13,
+  BOOT_BIT_FW_STABLE = 0x1 << 14,
+  BOOT_BIT_NEW_FW_INSTALLED = 0x1 << 15,
+  BOOT_BIT_STANDBY_MODE_ENTERED = 0x1 << 16,
+  BOOT_BIT_FORCE_PRF = 0x1 << 17,
+  BOOT_BIT_NEW_PRF_AVAILABLE = 0x1 << 18,
+  BOOT_BIT_SHUTDOWN_REQUESTED = 0x1 << 19, //!< Bootloader hard power-off instead of jumping to fw.
+} BootBitValue;
+
+void boot_bit_init();
+void boot_bit_set(BootBitValue bit);
+void boot_bit_clear(BootBitValue bit);
+bool boot_bit_test(BootBitValue bit);
+
+// Dump the contents through dbgserial
+void boot_bit_dump(void);
+
+void boot_version_write(void);
+uint32_t boot_version_read(void);