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      1 # cr16 testcase for excp uimm4
      2 # mach(): cr16
      3 
      4 	.include "testutils.inc"
      5 
      6 	start
      7 
      8 	.global excp
      9 excp:
     10         pass # pass macro use the excp 8
     11  
     12 ## Test 1: bbpsw = 0, bpsw = 1, psw = 0
     13 #
     14 #	# bbsm = 0, bie = 0, bbcond = 0
     15 #	movw $0, r4
     16 #	lpr r4, cr8
     17 #
     18 #	# bsm = 1, bie = 1, bcond = 1, sm = 0, ie = 0, cond = 0
     19 #	movw $0xc100, r4
     20 #	lpr r4, cr0
     21 #
     22 #	# bbpc = 0
     23 #	movw $0, r4
     24 #	mvtc r4, bbpc
     25 #
     26 #	# bpc = 42
     27 #	mvaddr_h_gr r4, 42
     28 #	mvtc r4, bpc
     29 #
     30 #	# Copy excp2_handler to excp area of memory.
     31 #	ld24 r0,#0x48 # address of excp 2 handler
     32 #	ld24 r1,#excp2_handler
     33 #	ld r2,@r1
     34 #	st r2,@r0
     35 #	# Set up return address.
     36 #	ld24 r5,#excp2_ret1
     37 #
     38 #excp_insn1:
     39 #	excp 2
     40 #	fail
     41 #
     42 #excp2_ret1:
     43 #	# test bbsm = 1, bbie = 1, bbcond = 1
     44 #	mvfc r4, cr8
     45 #	test_h_gr r4, 0xc1
     46 #
     47 #	# test bsm = 0, bie = 0, bcond = 0, sm = 0, ie = 0, cond = 0
     48 #	mvfc r4, cr0
     49 #	test_h_gr r4, 0
     50 #
     51 #	# test bbpc = 42
     52 #	mvfc r4, bbpc
     53 #	test_h_gr r4, 42
     54 #
     55 #	# test bpc = proper return address
     56 #	mvfc r4, bpc
     57 #	test_h_gr r4, excp_insn1 + 4
     58 #
     59 ## Test 2: bbpsw = 1, bpsw = 0, psw = 1
     60 #
     61 #	# bbsm = 1, bie = 1, bbcond = 1
     62 #	mvi_h_gr r4, 0xc1
     63 #	mvtc r4, cr8
     64 #
     65 #	# bsm = 0, bie = 0, bcond = 0, sm = 1, ie = 1, cond = 1
     66 #	mvi_h_gr r4, 0xc1
     67 #	mvtc r4, cr0
     68 #
     69 #	# bbpc = 42
     70 #	mvaddr_h_gr r4, 42
     71 #	mvtc r4, bbpc
     72 #
     73 #	# bpc = 0
     74 #	mvaddr_h_gr r4, 0
     75 #	mvtc r4, bpc
     76 #
     77 #	# Set up return address.
     78 #	ld24 r5,#excp2_ret2
     79 #
     80 #excp_insn2:
     81 #	excp #2
     82 #	fail
     83 #
     84 #excp2_ret2:
     85 #	# test bbsm = 0, bbie = 0, bbcond = 0
     86 #	mvfc r4, cr8
     87 #	test_h_gr r4, 0
     88 #
     89 #	# test bsm = 1, bie = 1, bcond = 1, sm = 1, ie = 0, cond = 0
     90 #	mvfc r4, cr0
     91 #	test_h_gr r4, 0xc180
     92 #
     93 #	# test bbpc = 0
     94 #	mvfc r4, bbpc
     95 #	test_h_gr r4, 0
     96 #
     97 #	# test bpc = proper return address
     98 #	mvfc r4, bpc
     99 #	test_h_gr r4, excp_insn2 + 4
    100 #
    101 #	pass
    102 #
    103 #	.data
    104 #
    105 ## Don't use rte as it will undo the effects of excp we're testing.
    106 #
    107 #	.p2align 2
    108 #excp2_handler:
    109 #	jmp r5
    110 #	nop
    111