| # MACRO: exit | |
| .macro exit nr | |
| ori r5, r0, \nr; | |
| # Trap function 1: exit(). | |
| ori r4, r0, 1; | |
| syscall; | |
| .endm | |
| # MACRO: pass | |
| # Write 'pass' to stdout and quit | |
| .macro pass | |
| # Trap function 5: write(). | |
| ori r4, r0, 5; | |
| # Use stdout. | |
| ori r5, r0, 1; | |
| # Point to the string. | |
| lui r6, %hi(1f); | |
| ori r6, r6, %lo(1f); | |
| # Number of bytes to write. | |
| ori r7, r0, 5; | |
| # Trigger OS trap. | |
| syscall; | |
| exit 0 | |
| .data | |
| 1: .asciz "pass\n" | |
| .endm | |
| # MACRO: fail | |
| # Write 'fail' to stdout and quit | |
| .macro fail | |
| # Trap function 5: write(). | |
| ori r4, r0, 5; | |
| # Use stdout. | |
| ori r5, r0, 1; | |
| # Point to the string. | |
| lui r6, %hi(1f); | |
| ori r6, r6, %lo(1f); | |
| # Number of bytes to write. | |
| ori r7, r0, 5; | |
| # Trigger OS trap. | |
| syscall; | |
| exit 0 | |
| .data | |
| 1: .asciz "fail\n" | |
| .endm | |
| # MACRO: start | |
| # All assembler tests should start with a call to "start" | |
| .macro start | |
| .text | |
| .global _start | |
| _start: | |
| .endm |