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      1 # MACRO: exit
      2 	.macro exit nr
      3 	li a0, \nr
      4 	# The exit utility function.
      5 	li a7, 93;
      6 	# Trigger OS trap.
      7 	ecall;
      8 	.endm
      9 
     10 # MACRO: pass
     11 # Write 'pass' to stdout and quit.
     12 	.macro pass
     13 	# syscall write().
     14 	li a7, 64;
     15 	# Use stdout.
     16 	li a0, 1;
     17 	# Point to the string.
     18 	lla a1, 1f;
     19 	# Number of bytes to write.
     20 	li a2, 5;
     21 	# Trigger OS trap.
     22 	ecall;
     23 	exit 0;
     24 	.pushsection .data
     25 	1: .asciz "pass\n"
     26 	.popsection
     27 	.endm
     28 
     29 # MACRO: fail
     30 # Write 'fail' to stdout and quit.
     31 	.macro fail
     32 	# syscall write().
     33 	li a7, 64;
     34 	# Use stdout.
     35 	li a0, 1;
     36 	# Point to the string.
     37 	la a1, 1f;
     38 	# Number of bytes to write.
     39 	li a2, 5;
     40 	# Trigger OS trap.
     41 	ecall;
     42 	exit 0;
     43 	.pushsection .data
     44 	1: .asciz "fail\n"
     45 	.popsection
     46 	.endm
     47 
     48 # MACRO: start
     49 # All assembler tests should start with a call to "start".
     50 	.macro start
     51 	.text
     52 .global _start
     53 _start:
     54 	.option push
     55 	.option norelax
     56 	lla gp, __global_pointer$
     57 	.option pop
     58 	.endm
     59