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https://github.com/espressif/ESP8266_RTOS_SDK.git
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74e013e493
WIFI only can send DRAM data, so if upper layer pbuf payload is IRAM data, here it must be copy to DRAM. We add "pbuf_alloc_ll" to reduce this happen.
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
// Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stddef.h>
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#include "lwip/opt.h"
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#include "lwip/memp.h"
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#include "FreeRTOS.h"
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#include "esp8266/eagle_soc.h"
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#ifdef ESP_LWIP
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/*
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* @brief allocate an only DRAM memory block for LWIP pbuf
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*
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* @param s memory size
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*
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* @return memory block pointer
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*/
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void *mem_malloc_ll(size_t s)
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{
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void *p;
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void *return_addr = (void *)__builtin_return_address(0);
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p = pvPortMalloc_trace(s, return_addr, (unsigned)-1, false);
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if (IS_IRAM(p)) {
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vPortFree_trace(p, return_addr, (unsigned)-1);
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p = NULL;
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}
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return p;
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}
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void *memp_malloc_ll(size_t type)
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{
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extern const struct memp_desc* const memp_pools[MEMP_MAX];
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uint8_t *p;
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const struct memp_desc *desc = memp_pools[type];
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p = (uint8_t *)mem_malloc_ll(MEMP_SIZE + MEMP_ALIGN_SIZE(desc->size));
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return p + MEMP_SIZE;
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}
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#endif
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