compiler/ kernel/ lib/ scripts/ seed/ sublime/ test/ acceptance/ boot/ bootstrap/ cycles/ dispatch/ loader/ mmio/ native/ packages/ pages/ machine.ras 698 B run 463 B runtime/ scheduling/ shared/ slots/ smp/ support/ sync/ termination/ tests/ trap/ package-golden 1.6 KiB run 3.1 KiB runner.rad 10.5 KiB vim/ .gitignore 336 B .gitsigners 112 B CONTRIBUTING 2.1 KiB LICENSE 1.1 KiB Makefile 9.2 KiB README 2.5 KiB STYLE 2.5 KiB std.lib 1.5 KiB std.lib.test 662 B
test/pages/machine.ras 698 B raw
1 
//! Physical page zeroing with canaries immediately outside the allocation.
2 
.text;
3 
    li %s0 0x40010000;
4 
    slli %s0 %s0 1;
5 
    li %t0 4096;
6 
    add %s1 %s0 %t0;
7 
    li %t0 91;
8 
    sd %t0 -8(%s0);
9 
    sd %t0 0(%s1);
10 
    mv %t1 %s0;
11 
@fill
12 
    sd %t0 0(%t1);
13 
    addi %t1 %t1 8;
14 
    bne %t1 %s1 @fill;
15 
    mv %a0 %s0;
16 
    li %a1 1;
17 
    call @kernel::pages::zero;
18 
    mv %t1 %s0;
19 
@check
20 
    ld %t0 0(%t1);
21 
    bnez %t0 @fail;
22 
    addi %t1 %t1 8;
23 
    bne %t1 %s1 @check;
24 
    li %t0 91;
25 
    ld %t1 -8(%s0);
26 
    bne %t0 %t1 @fail;
27 
    ld %t1 0(%s1);
28 
    bne %t0 %t1 @fail;
29 
    li %t0 0x10001000;
30 
    li %t1 0x5555;
31 
    sw %t1 0(%t0);
32 
@fail
33 
    li %t0 0x10001000;
34 
    li %t1 0x13333;
35 
    sw %t1 0(%t0);