1# mach: crisv3 crisv8 crisv10 crisv32 2 3; Check that the simulator and the program agrees on the 4; value of endmem; the base point for further allocations. 5 6 .include "testutils.inc" 7 start 8 9; First, get the end of memory by calling brk with 0 to get 10; the current value. 11 clear.d $r10 12 movu.w 0x2d,$r9 13 break 13 14 15; Get one more 8192-byte page. 16 addu.w 8192,$r10 17 18; Save it in a (call- and) syscall-saved register. 19 move.d $r10,$r0 20 21; Call brk again to raise the value. 22 movu.w 0x2d,$r9 23 break 13 24 25; If the simulator messed up internally, it'd have exited 26; with an error at the brk call. But, let's sanity-check 27; the return-value: it should be the same as the input and 28; the allocated memory should be accessible. 29 cmp.d $r10,$r0 30 beq 0f 31 nop 32 331: 34 fail 35 360: 37; Check that we can write and read the last address on that 38; page. 39 subq 4,$r10 40 move.d 0xbad1d101,$r12 41 move.d $r12,[$r10] 42 move.d [$r10],$r11 43 cmp.d $r11,$r12 44 bne 1b 45 nop 46 47 pass 48