4e7d30a22a
Instead of the lm32-sys device, use semihosting to print to the host console and exit the test. Signed-off-by: Michael Walle <michael@walle.cc>
66 lines
791 B
ArmAsm
66 lines
791 B
ArmAsm
.text
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.global _start, _write, _exit
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.global _tc_fail, _tc_pass
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_write:
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addi sp, sp, -4
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sw (sp+4), r8
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mvi r8, 5
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scall
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lw r8, (sp+4)
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addi sp, sp, 4
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ret
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_exit:
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mvi r8, 1
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scall
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1:
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bi 1b
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_tc_pass:
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.data
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1:
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.ascii "OK\n"
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2:
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.text
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addi sp, sp, -16
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sw (sp+4), ra
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sw (sp+8), r1
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sw (sp+12), r2
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sw (sp+16), r3
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mvi r1, 1
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mvhi r2, hi(1b)
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ori r2, r2, lo(1b)
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mvi r3, (2b - 1b)
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calli _write
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lw r3, (sp+16)
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lw r2, (sp+12)
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lw r1, (sp+8)
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lw ra, (sp+4)
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addi sp, sp, 16
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ret
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_tc_fail:
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.data
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1:
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.ascii "FAILED\n"
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2:
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.text
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addi sp, sp, -16
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sw (sp+4), ra
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sw (sp+8), r1
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sw (sp+12), r2
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sw (sp+16), r3
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sw (sp+4), ra
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mvi r1, 1
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mvhi r2, hi(1b)
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ori r2, r2, lo(1b)
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mvi r3, (2b - 1b)
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calli _write
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lw r3, (sp+16)
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lw r2, (sp+12)
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lw r1, (sp+8)
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lw ra, (sp+4)
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addi sp, sp, 16
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ret
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