lupyuen commented on code in PR #15921: URL: https://github.com/apache/nuttx/pull/15921#discussion_r1976655423
########## arch/risc-v/src/eic7700x/eic7700x_allocateheap.c: ########## @@ -0,0 +1,87 @@ +/**************************************************************************** + * arch/risc-v/src/eic7700x/eic7700x_allocateheap.c + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/kmalloc.h> +#include <nuttx/userspace.h> +#include <nuttx/arch.h> +#include <arch/board/board_memorymap.h> +#include "riscv_internal.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define KRAM_END KSRAM_END + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_allocate_heap + * + * Description: + * This function will be called to dynamically set aside the heap region. + * + * For the kernel build (CONFIG_BUILD_PROTECTED=y) with both kernel- and + * user-space heaps (CONFIG_MM_KERNEL_HEAP=y), this function provides the + * size of the unprotected, user-space heap. + * + * If a protected kernel-space heap is provided, the kernel heap must be + * allocated (and protected) by an analogous up_allocate_kheap(). + * + * The following memory map is assumed for the flat build: + * + * .data region. Size determined at link time. + * .bss region Size determined at link time. + * IDLE thread stack. Size determined by CONFIG_IDLETHREAD_STACKSIZE. + * Heap. Extends to the end of User SRAM. + * + * The following memory map is assumed for the protect build. Review Comment: @hartmannathan Fixed, thanks :-) https://github.com/apache/nuttx/blob/b92f051e337d095491f8406b2d99fdd2f6fa5b3e/arch/risc-v/src/eic7700x/eic7700x_allocateheap.c#L68-L69 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
