Import of the watch repository from Pebble

src/fw/console/pulse_bulkio_memory.c

@@ -0,0 +1,73 @@
+/*
+ * 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 "pulse_bulkio_domain_handler.h"
+
+#include "system/status_codes.h"
+#include "util/attributes.h"
+
+#include <stdint.h>
+#include <string.h>
+
+typedef struct PACKED MemoryEraseOptions {
+  uint32_t address;
+  uint32_t length;
+} MemoryEraseOptions;
+
+static int memory_domain_read(uint8_t *buf, uint32_t address, uint32_t length,
+                                    void *context) {
+  memcpy(buf, (void *)address, length);
+  return length;
+}
+
+static int memory_domain_write(uint8_t *buf, uint32_t address, uint32_t length,
+                                    void *context) {
+  memcpy(buf, (void *)address, length);
+  return length;
+}
+
+static int memory_domain_stat(uint8_t *resp, size_t resp_max_len, void *context) {
+  return E_INVALID_OPERATION;
+}
+
+static status_t memory_domain_erase(uint8_t *packet_data, size_t length, uint8_t cookie) {
+  if (length != sizeof(MemoryEraseOptions)) {
+    return E_INVALID_ARGUMENT;
+  }
+
+  MemoryEraseOptions *options = (MemoryEraseOptions*)packet_data;
+
+  memset((void *)options->address, 0x0, length);
+  return S_SUCCESS;
+}
+
+static status_t memory_domain_open(uint8_t *packet_data, size_t length, void **resp) {
+  return S_SUCCESS;
+}
+
+static status_t memory_domain_close(void *context) {
+  return S_SUCCESS;
+}
+
+PulseBulkIODomainHandler pulse_bulkio_domain_memory = {
+  .id = PulseBulkIODomainType_Memory,
+  .open_proc = memory_domain_open,
+  .close_proc = memory_domain_close,
+  .read_proc = memory_domain_read,
+  .write_proc = memory_domain_write,
+  .stat_proc = memory_domain_stat,
+  .erase_proc = memory_domain_erase
+};