lxdream.org :: lxdream/test/sh4/excslot.s r358:65043a8f5785

filename	test/sh4/excslot.s
changeset	358:65043a8f5785
prev	357:3592a10b3242
author	nkeynes
date	Fri Feb 08 00:06:56 2008 +0000 (16 years ago)
permissions	-rw-r--r--
last change	Fix LDS/STS to FPUL/FPSCR to check the FPU disabled bit. Fixes the linux 2.4.0-test8 kernel boot (this wasn't exactly very well documented in the original manual)

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     1.1 --- a/test/sh4/excslot.s	Tue Feb 13 08:34:27 2007 +0000
     1.2 +++ b/test/sh4/excslot.s	Fri Feb 08 00:06:56 2008 +0000
     1.3 @@ -169,16 +169,39 @@
     1.4  	.word 0xFFFD
     1.5  	assert_exc_caught test_slot_str_k test_slot_17_pc
     1.6  
     1.7 +test_slot_18:	 ! "Undefined (FPU disabled)" 0xFFFD
     1.8 +	add #1, r12
     1.9 +	stc sr, r0
    1.10 +	xor r1, r1
    1.11 +	add #32, r1
    1.12 +	shll2 r1
    1.13 +	shll8 r1
    1.14 +	or r0, r1
    1.15 +	ldc r1, sr
    1.16 +	expect_exc 0x000001A0
    1.17 +test_slot_18_pc:
    1.18 +	bsr test_slot_fail
    1.19 +	.word 0xFFFD
    1.20 +	assert_exc_caught test_slot_str_k test_slot_18_pc
    1.21 +	stc sr, r0
    1.22 +	xor r1, r1
    1.23 +	add #32, r1
    1.24 +	shll2 r1
    1.25 +	shll8 r1
    1.26 +	not r1, r1
    1.27 +	and r0, r1
    1.28 +	ldc r1, sr
    1.29 +	
    1.30  !
    1.31  ! Ok now the privilege tests. These should raise SLOT_ILLEGAL when executed
    1.32  ! in a delay slot (otherwise it's GENERAL_ILLEGAL)
    1.33  
    1.34 -test_slot_18:   ! LDC Rn, SPC in user mode
    1.35 +test_slot_19:   ! LDC Rn, SPC in user mode
    1.36  !	add #1, r12
    1.37  !	expect_exc 0x000001A0
    1.38  !	stc spc, r4
    1.39  !	usermode
    1.40 -!test_slot_18_pc:
    1.41 +!test_slot_19_pc:
    1.42  !	bsr test_slot_fail
    1.43  !	ldc r4, spc
    1.44  !	systemmode