Subversion Repositories openrisc

# Test LDR instructions with offsets misaligned by 3 bytes.

# mach(): all

        .macro invalid

# This is "undefined" but it's not properly decoded yet.

        .word 0x07ffffff

# This is stc which isn't recognized yet.

        stc 0,cr0,[r0]

        .endm

        .global _start

_start:

# Run some simple insns to confirm the engine is at least working.

        nop

# Skip over output text.

        bl do_test

pass:

        .asciz "pass\n"

        .p2align 2

do_test:

        mov r4, r14

        bl continue

word1:

        .word 0x5555

continue:

        ldr r6, [r14, #3]

        ldr r7, word2

        cmp r6, r7

        # Failed.

        bne done

output_next:

# Output a character (in arm mode).

        mov r0,#3

        mov r1,r4

        swi #0x123456

# Load next character, see if done.

        add r4,r4,#1

        sub r3,r3,r3

        ldrb r5,[r4,r3]

        teq r5,#0

        bne output_next

done:

        mov r0,#0x18

        ldr r1,exit_code

        swi #0x123456

# If that fails, try to die with an invalid insn.

        invalid

exit_code:

        .word 0x20026

        .word 0xFFFFFFFF

word2:

        .word 0x555500

        .word 0xFFFFFFFF