.globl _start
_start:

#include "../../driver/riscv_asm.h"
#include "../../driver/sim_asm.h"

#define SCOPE 0x14000000
#define SCOPE_L2_AQUIRE_MISS (SCOPE + 0xF04)
#define SCOPE_L2_GETPUT_MISS (SCOPE + 0xF24)
#define SCOPE_HART0 (SCOPE + 0*0x80)
#define SCOPE_HART_DCACHE_REFILL 0x10

    //read SCOPE_HART0_DCACHE_REFILL
    la x1, SCOPE_HART0 + SCOPE_HART_DCACHE_REFILL
    lw x10, 0(x1)

    //run a test code which will generate 4 cache refill
    fence iorw, iorw
    la x1, data
    lw x2, 0(x1)
    lw x2, 0x40(x1)
    lw x2, 0x80(x1)
    lw x2, 0x120(x1)
    fence iorw, iorw

    //read SCOPE_HART0_DCACHE_REFILL
    la x1, SCOPE_HART0 + SCOPE_HART_DCACHE_REFILL
    lw x11, 0(x1)

    //compute the number of cache refill and print it
    sub x10, x11, x10
    la x1, PUT_HEX
    sw x10, 0(x1)
    la x1, PUTC
    li x2, '\n'
    sw x2, 0(x1)

    //show how many l2 cache miss happend
    la x1, SCOPE_L2_AQUIRE_MISS
    lw x10, 0(x1)
    la x1, SCOPE_L2_GETPUT_MISS
    lw x11, 0(x1)
    add x10, x10, x11
    la x1, PUT_HEX
    sw x10, 0(x1)
    la x1, PUTC
    li x2, '\n'
    sw x2, 0(x1)
    j pass

pass:
    nop

fail:
    nop



.align 12
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