TheRock/debug-tools/rocgdb/source/sim/testsuite/cr16/excp.cgs

# cr16 testcase for excp uimm4
# mach(): cr16

	.include "testutils.inc"

	start

	.global excp
excp:
        pass # pass macro use the excp 8
 
## Test 1: bbpsw = 0, bpsw = 1, psw = 0
#
#	# bbsm = 0, bie = 0, bbcond = 0
#	movw $0, r4
#	lpr r4, cr8
#
#	# bsm = 1, bie = 1, bcond = 1, sm = 0, ie = 0, cond = 0
#	movw $0xc100, r4
#	lpr r4, cr0
#
#	# bbpc = 0
#	movw $0, r4
#	mvtc r4, bbpc
#
#	# bpc = 42
#	mvaddr_h_gr r4, 42
#	mvtc r4, bpc
#
#	# Copy excp2_handler to excp area of memory.
#	ld24 r0,#0x48 # address of excp 2 handler
#	ld24 r1,#excp2_handler
#	ld r2,@r1
#	st r2,@r0
#	# Set up return address.
#	ld24 r5,#excp2_ret1
#
#excp_insn1:
#	excp 2
#	fail
#
#excp2_ret1:
#	# test bbsm = 1, bbie = 1, bbcond = 1
#	mvfc r4, cr8
#	test_h_gr r4, 0xc1
#
#	# test bsm = 0, bie = 0, bcond = 0, sm = 0, ie = 0, cond = 0
#	mvfc r4, cr0
#	test_h_gr r4, 0
#
#	# test bbpc = 42
#	mvfc r4, bbpc
#	test_h_gr r4, 42
#
#	# test bpc = proper return address
#	mvfc r4, bpc
#	test_h_gr r4, excp_insn1 + 4
#
## Test 2: bbpsw = 1, bpsw = 0, psw = 1
#
#	# bbsm = 1, bie = 1, bbcond = 1
#	mvi_h_gr r4, 0xc1
#	mvtc r4, cr8
#
#	# bsm = 0, bie = 0, bcond = 0, sm = 1, ie = 1, cond = 1
#	mvi_h_gr r4, 0xc1
#	mvtc r4, cr0
#
#	# bbpc = 42
#	mvaddr_h_gr r4, 42
#	mvtc r4, bbpc
#
#	# bpc = 0
#	mvaddr_h_gr r4, 0
#	mvtc r4, bpc
#
#	# Set up return address.
#	ld24 r5,#excp2_ret2
#
#excp_insn2:
#	excp #2
#	fail
#
#excp2_ret2:
#	# test bbsm = 0, bbie = 0, bbcond = 0
#	mvfc r4, cr8
#	test_h_gr r4, 0
#
#	# test bsm = 1, bie = 1, bcond = 1, sm = 1, ie = 0, cond = 0
#	mvfc r4, cr0
#	test_h_gr r4, 0xc180
#
#	# test bbpc = 0
#	mvfc r4, bbpc
#	test_h_gr r4, 0
#
#	# test bpc = proper return address
#	mvfc r4, bpc
#	test_h_gr r4, excp_insn2 + 4
#
#	pass
#
#	.data
#
## Don't use rte as it will undo the effects of excp we're testing.
#
#	.p2align 2
#excp2_handler:
#	jmp r5
#	nop