Import Mbed OS hard-float snapshot

targets/TARGET_ARM_FM/TARGET_FVP_MPS2/flash_api.c

@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2017-2018 ARM Limited
+ *
+ * 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 "string.h"
+#include "device.h"
+#include "flash_api.h"
+#include "memory_zones.h"
+
+/* Fast Model FVP MPS2 is modeling after V2M-MPS2 platform with a FPGA (AN385).
+ * The implementation emulates flash over SRAM.
+ */
+
+#define FLASH_PAGE_SIZE   4U
+#define FLASH_OFS_START   ZBT_SRAM1_START
+#define FLASH_SECTOR_SIZE 0x1000
+#define FLASH_OFS_END     (ZBT_SRAM1_START + ZBT_SRAM1_SIZE)
+
+int32_t flash_init(flash_t *obj)
+{
+    (void)obj;
+
+    return 0;
+}
+
+int32_t flash_free(flash_t *obj)
+{
+    (void)obj;
+
+    return 0;
+}
+
+int32_t flash_erase_sector(flash_t *obj, uint32_t address)
+{
+    (void)obj;
+
+    memset((void *)address, 0xff, FLASH_SECTOR_SIZE);
+
+    return 0;
+}
+
+int32_t flash_read(flash_t *obj, uint32_t address,
+                   uint8_t *data, uint32_t size)
+{
+    (void)obj;
+
+    memcpy(data, (void *)address, size);
+
+    return 0;
+}
+
+int32_t flash_program_page(flash_t *obj, uint32_t address,
+                           const uint8_t *data, uint32_t size)
+{
+    (void)obj;
+
+    memcpy((void *)address, data, size);
+
+    return 0;
+}
+
+uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
+{
+    (void)obj;
+
+    if (address < FLASH_OFS_START || address >= FLASH_OFS_END) {
+        return MBED_FLASH_INVALID_SIZE;
+    }
+
+    return FLASH_SECTOR_SIZE;
+}
+
+uint32_t flash_get_page_size(const flash_t *obj)
+{
+    (void)obj;
+
+    return FLASH_PAGE_SIZE;
+}
+
+uint32_t flash_get_start_address(const flash_t *obj)
+{
+    (void)obj;
+
+    return FLASH_OFS_START;
+}
+
+uint32_t flash_get_size(const flash_t *obj)
+{
+    (void)obj;
+
+    return ZBT_SRAM1_SIZE;
+}
+
+uint8_t flash_get_erase_value(const flash_t *obj)
+{
+    (void)obj;
+
+    return 0xFF;
+}