Subversion Repositories openrisc_2011-10-31

# Test LDR instructions with offsets misaligned by 1 byte.

# Test LDR instructions with offsets misaligned by 1 byte.

# mach(): all

# mach(): all

        .macro invalid

        .macro invalid

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

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

        .word 0x07ffffff

        .word 0x07ffffff

# This is stc which isn't recognized yet.

# This is stc which isn't recognized yet.

        stc 0,cr0,[r0]

        stc 0,cr0,[r0]

        .endm

        .endm

        .global _start

        .global _start

_start:

_start:

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

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

        nop

        nop

# Skip over output text.

# Skip over output text.

        bl do_test

        bl do_test

pass:

pass:

        .asciz "pass\n"

        .asciz "pass\n"

        .p2align 2

        .p2align 2

do_test:

do_test:

        mov r4, r14

        mov r4, r14

        bl continue

        bl continue

word1:

word1:

        .word 0x5555

        .word 0x5555

continue:

continue:

        ldr r6, [r14, #1]

        ldr r6, [r14, #1]

        ldr r7, word2

        ldr r7, word2

        cmp r6, r7

        cmp r6, r7

        # Failed.

        # Failed.

        bne done

        bne done

output_next:

output_next:

# Output a character (in arm mode).

# Output a character (in arm mode).

        mov r0,#3

        mov r0,#3

        mov r1,r4

        mov r1,r4

        swi #0x123456

        swi #0x123456

# Load next character, see if done.

# Load next character, see if done.

        add r4,r4,#1

        add r4,r4,#1

        sub r3,r3,r3

        sub r3,r3,r3

        ldrb r5,[r4,r3]

        ldrb r5,[r4,r3]

        teq r5,#0

        teq r5,#0

        bne output_next

        bne output_next

done:

done:

        mov r0,#0x18

        mov r0,#0x18

        ldr r1,exit_code

        ldr r1,exit_code

        swi #0x123456

        swi #0x123456

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

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

        invalid

        invalid

exit_code:

exit_code:

        .word 0x20026

        .word 0x20026

        .word 0xFFFFFFFF

        .word 0xFFFFFFFF

word2:

word2:

        .word 0x55000055

        .word 0x55000055

        .word 0xFFFFFFFF

        .word 0xFFFFFFFF