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21 lines
492 B
21 lines
492 B
#ifndef _MEMLAYOUT_H
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#define _MEMLAYOUT_H
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#include "riscv.h"
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// RISC-V machine places its physical memory above DRAM_BASE
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#define DRAM_BASE 0x80000000
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// the beginning virtual address of PKE kernel
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#define KERN_BASE 0x80000000
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// default stack size
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#define STACK_SIZE 4096
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// virtual address of stack top of user process
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#define USER_STACK_TOP 0x7ffff000
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// start virtual address (4MB) of our simple heap. added @lab2_2
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#define USER_FREE_ADDRESS_START 0x00000000 + PGSIZE * 1024
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#endif
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