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import lib.i2;
// test - write memory, spawn process, read memory
macro spawn_sudo(3) {
@1 = 3; // authorized feature
@2 = 0; // spawn process
@10 = 1; // target ring = 1
@11 = /1/; // memory start
@12 = /2/; // memory length
@13 = 1; // can spawn procs
@14 = 1; // can make syscalls
@15 = /3/; // time slice limit
system(); // interrupt
}
macro read_pmem(4) {
@1 = 3; // authorized feature
@2 = 2; // read memory
@10 = /1/; // target pid
@11 = /2/; // address
@12 = /3/; // length
@13 = /4/; // target
system(); // interrupt
}
/* write the actual program */
@1007 = 10;
@1010 = 1; @1011 = 3; // a = 3;
@1012 = 17; @1013 = 9; // m[3] = 9;
@1014 = 0; @1015 = 0; // halt
spawn_sudo([1000], [16], [5]);
let output = @2;
let pid = @3;
let exit_code = @4;
let finished = @5;
let read_out = 0;
read_pmem([pid], [3], [1], [&read_out]);
read_out += '0';
putchar([read_out]);
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