125 lines
3.4 KiB
C
125 lines
3.4 KiB
C
/*
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This code triggers a psram-related silicon bug in rev0 silicon. The bug is fixed in rev1 silicon.
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*/
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#include <esp_types.h>
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#include <stdio.h>
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#include "rom/ets_sys.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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#include "freertos/queue.h"
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#include "freertos/xtensa_api.h"
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#include "unity.h"
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#include "soc/dport_reg.h"
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#include "soc/io_mux_reg.h"
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "rom/ets_sys.h"
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#include "esp_heap_alloc_caps.h"
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typedef struct {
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char name[9];
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int dummy[4];
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int *wadfile;
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int dummy2[2];
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} xlumpinfo_t;
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static xlumpinfo_t *xlumpinfo=(xlumpinfo_t*)0x3f80002c;
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static int xnumlumps=5500;
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static int isValidPtr(void *ptr) {
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if (((int)ptr&0xff000000)==0x3f000000) return 1;
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return 0;
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}
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int test_weird_corruption() {
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int err=0;
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xlumpinfo_t *marked = (xlumpinfo_t*)0x3fff2824;
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size_t i, num_marked = 0, num_unmarked = 0;
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// int is_marked = 0, mark_end = 0;
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xlumpinfo_t *lump = xlumpinfo;
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int x;
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for (x=0; x<xnumlumps; x++) {
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if (xlumpinfo[x].wadfile && !isValidPtr(xlumpinfo[x].wadfile)) {
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ets_printf("Lump wad before error!");
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}
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}
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for (i=xnumlumps; i--; lump++) {
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xlumpinfo[num_unmarked]=*lump; // else move down THIS list
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num_unmarked++;
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}
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// Append marked list to end of unmarked list
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memcpy(&xlumpinfo[num_unmarked], marked, num_marked * sizeof(*marked));
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// free(marked); // free marked list
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xnumlumps = num_unmarked + num_marked; // new total number of lumps
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for (x=0; x<xnumlumps; x++) {
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if (xlumpinfo[x].wadfile && !isValidPtr(xlumpinfo[x].wadfile)) {
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ets_printf("Lump wad error for %s at addr %p! Index=%d unmarked=%d marked=%d Should be %p is %p\n",
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xlumpinfo[x].name, &xlumpinfo[x].wadfile, x, num_unmarked, num_marked, xlumpinfo[x+1].wadfile,xlumpinfo[x].wadfile);
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int j;
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for (j=0; j<10; j++) {
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ets_printf("%08x ", ((uint32_t*)&xlumpinfo[x])[j]);
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}
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ets_printf("\n");
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for (j=0; j<10; j++) {
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ets_printf("%08x ", ((uint32_t*)&xlumpinfo[x-1])[j]);
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}
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ets_printf("\n");
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err++;
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}
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}
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return err;
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}
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TEST_CASE("PSram bug in rev0 silicon (Doom bug)", "[psram][ignore]")
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{
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int i, r=0;
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xlumpinfo_t *p;
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#if CONFIG_MEMMAP_SMP
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printf("WARNING\n");
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printf("WARNING - This bug sometimes doesn't show up unless MEMMAP_SMP is disabled. You have it enabled now, so the test may erroneously pass.\n");
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printf("WARNING\n");
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#endif
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#if !CONFIG_MEMMAP_SPIRAM_ENABLE
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printf("WARNING\n");
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printf("WARNING - This test needs psram enabled. You don't seem to have that; the test is likely to crash.\n");
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printf("WARNING\n");
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#endif
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printf("Stack ptr %p\n", &i);
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p=pvPortMallocCaps(sizeof(xlumpinfo_t)*5600, MALLOC_CAP_SPIRAM);
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xlumpinfo=p;
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//Bug seems to only trigger when address ends in 2C
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while (((int)xlumpinfo&0xff)!=0x2c) xlumpinfo=(xlumpinfo_t*)(((char*)xlumpinfo)+1);
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printf("lumpinfo ptr %p\n", xlumpinfo);
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for (i=0; i<xnumlumps; i++) {
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sprintf(xlumpinfo[i].name, "DIGD");
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xlumpinfo[i].wadfile=(int*)0x3ffef664;
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}
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ets_printf("Running corruption test...\n");
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for (i=0; i<20; i++) {
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r+=test_weird_corruption();
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}
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free(p);
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TEST_ASSERT(r==0);
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}
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