/*
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* memory.c
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*
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* Created on: 2021Äê12ÔÂ25ÈÕ
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* Author: graydon
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*/
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#include <stdio.h>
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#include <string.h>
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#include "memory.h"
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//L1¿Õ¼ä
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#define L1_DM1_SIZE 64*1024+16
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#define L1_DM2_SIZE 0
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#define L1_PM_SIZE 64*1024+16
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static char l1mem_dm[L1_DM1_SIZE];
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static char l1mem_dm2[L1_DM2_SIZE];
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static pm char l1mem_pm[L1_PM_SIZE];
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//ÓÉÓÚL1·ÇÁ¬Ðø£¬ÐèÒª¶¨ÖÆÄÚ´æ.
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#define BANKNUM 3
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static int memIndex[BANKNUM] ={255,255,255};
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int sram_init()
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{
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// heap_init(SRAM_L2);
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// heap_init(SRAM_L1);
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// heap_init(SRAM_DDR);
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#if L1_DM1_SIZE> 0
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memIndex[mem_dm1] = heap_install(l1mem_dm, L1_DM1_SIZE , 10);
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#endif
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#if L1_DM2_SIZE> 0
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memIndex[mem_dm2] = heap_install(l1mem_dm2, L1_DM2_SIZE , 11);
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#endif
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#if L1_PM_SIZE> 0
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memIndex[mem_pm] = heap_install(l1mem_pm, L1_PM_SIZE , 12);
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#endif
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return 0;
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}
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static void* sram_alloc_l1(meml1_sub_type subType, int size) {
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int i, memid;
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void* ptr = NULL;
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switch(subType){
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case mem_dm1:
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case mem_dm2:
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case mem_pm:
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if(memIndex[subType] != 255)
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ptr = heap_malloc(memIndex[subType],size);
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break;
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case mem_heap:
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ptr = heap_malloc(SRAM_L1,size);
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break;
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case mem_any:
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ptr = heap_malloc(SRAM_L1,size);
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if(ptr) break;
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ptr = heap_malloc(memIndex[mem_dm1],size);
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if(ptr) break;
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ptr = heap_malloc(memIndex[mem_dm2],size);
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if(ptr) break;
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ptr = heap_malloc(memIndex[mem_pm],size);
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if(ptr) break;
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}
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if(ptr == NULL) {
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memid = -1;
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}
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return ptr;
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}
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void* sram_malloc(MemoryType memtype , meml1_sub_type subType ,int size)
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{
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void* p = NULL;
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switch(memtype) {
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case SRAM_L2:
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case SRAM_DDR:
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p = heap_malloc(memtype,size);
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break;
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case SRAM_L1:
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p = sram_alloc_l1(subType, size);
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break;
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case SRAM_AUTO:
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p = sram_alloc_l1(subType, size);
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if(p == NULL) {
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p = heap_malloc(SRAM_L2,size);
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}
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if(p == NULL) {
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p = heap_malloc(SRAM_DDR,size);
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}
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break;
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default:
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break;
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}
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return p;
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}
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void sram_free(MemoryType memtype ,void* ptr)
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{
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if(memtype < SRAM_AUTO) {
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heap_free(memtype, ptr);
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}
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}
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int sram_free_space(MemoryType memtype, meml1_sub_type subType)
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{
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int size = 0;
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int memid ;
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switch(memtype) {
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case SRAM_L2:
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case SRAM_DDR:
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size = heap_space_unused(memtype);
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break;
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case SRAM_L1:
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switch(subType) {
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case mem_heap:
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size = heap_space_unused(memtype);
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break;
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case mem_pm:
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case mem_dm1:
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case mem_dm2:
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size = heap_space_unused(memIndex[subType]);
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break;
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}
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break;
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case SRAM_AUTO:
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break;
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default:
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break;
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}
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return size;
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}
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