targets/corstone-300/platform.scatter

#! cpp

/*
 * Copyright (c) 2019-2020 Arm Limited. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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
 *
 * 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.
 */

#ifndef STACK_SIZE
#define STACK_SIZE 0x8000
#endif

#ifndef HEAP_SIZE
#define HEAP_SIZE 0x8000
#endif

APP_IMAGE 0x00000000 0x01000000
{
    ; ITCM 512kB
    rom_exec 0x00000000 0x00080000
    {
        *.o (RESET, +First)
        *(InRoot$$Sections)
        .ANY (+RO)
    }

    ; Shared between Cortex-M and the NPU
    DATA_SRAM 0x01000000 UNINIT 0x00200000 {}

    ; SSE-300 SRAM (3 cycles read latency) from M55/U55
    ; 2x2MB - only first part mapped
    SRAM 0x21000000 UNINIT 0x00200000
    {
#ifndef ETHOSU_FAST_MEMORY_SIZE
        ; Place tensor arena in SRAM if we do not have a fast memory area
        * (.bss.NoInit) ; Tensor Arena
#else
        * (.bss.ethosu_scratch)
#endif
    }

    ; DTCM 512kB
    ; Only accessible from the Cortex-M
    DTCM 0x20000000 (0x00080000 - STACK_SIZE - HEAP_SIZE)
    {
        .ANY (+RW +ZI)
    }

    ARM_LIB_HEAP  (0x20080000 - STACK_SIZE - HEAP_SIZE) EMPTY ALIGN 8 HEAP_SIZE {}
    ARM_LIB_STACK (0x20080000 - STACK_SIZE) EMPTY ALIGN 8 STACK_SIZE {}
}

LOAD_REGION_1 0x60000000 0x02000000
{
    ; 2GB DDR4 available
    rom_dram 0x60000000 0x02000000
    {
        * (network_model_sec)
        * (input_data_sec)
        * (expected_output_data_sec)
    }

#ifdef ETHOSU_FAST_MEMORY_SIZE
    ; Place tensor arena in DRAM if we have a fast memory area
    ARENA +0 UNINIT ALIGN 16
    {
        * (.bss.NoInit) ; Tensor Arena
    }
#endif
}