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+--- Thread: Changing pulpissimo memory layout (/showthread.php?tid=115)
Changing pulpissimo memory layout - anfevp - 08-27-2019
Hello everyone,
I would like to ask you how to change memory layout of pulpissimo
My problem is that I need to use code that uses big vectors. Then, when I run the program in the virtual platform I got:
3699418377: 147973: [/sys/board/chip/soc/fc/warning ] Invalid access (offset: 0x1bfffcd8, size: 0x4, is_write: 1)
Which is a problem of stack overflow. I could move big vectors to other memory sections but this implies to modify the code, which i shouldn't. Also, sometimes I got problems with the code size. So in general I would like to know how to modify the memory to be able to execute the code without modifications.
The problem can be reproduced with the following code:
Code:
#include <stdio.h>
void writefnctext();
void printVector(char *vector1, unsigned int len);
void fillVector(char *vector1, unsigned int len);
int main()
{
char vector1[4096]; // Does not work, gets an invalid access.
printf("Hello !\n");
fillVector(vector1, 4096);
printVector(vector1, 4096);
writefnctext();
return 0;
}
void writefnctext(){
printf("Function has been called successfully");
}
void fillVector(char *vector1, unsigned int len){
for (unsigned int i=0;i<len; i++ ){
vector1[i]=i;
}
}
void printVector(char *vector1, unsigned int len){
for (unsigned int i=0;i<len; i++ ){
printf("%d ", (int) vector1[i]);
}
printf("\n");
}Thanks in advance!!