From b104806fd3d786560fcb451fb7c8a46a95f0fc79 Mon Sep 17 00:00:00 2001
From: Andrew Cagney <cagney@redhat.com>
Date: Sun, 15 Feb 1998 23:21:19 +0000
Subject: [PATCH] Test the RDT and DBT instructions.

---
 sim/testsuite/d10v-elf/t-dbt.s | 33 +++++++++++++++++++++++++++++++++
 sim/testsuite/d10v-elf/t-rdt.s | 18 ++++++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 sim/testsuite/d10v-elf/t-dbt.s
 create mode 100644 sim/testsuite/d10v-elf/t-rdt.s

diff --git a/sim/testsuite/d10v-elf/t-dbt.s b/sim/testsuite/d10v-elf/t-dbt.s
new file mode 100644
index 0000000000..8c518475be
--- /dev/null
+++ b/sim/testsuite/d10v-elf/t-dbt.s
@@ -0,0 +1,33 @@
+.include "t-macros.i"
+
+	start
+
+	PSW_BITS = PSW_DM
+	
+;;; Blat our DMAP registers so that they point at on-chip imem
+
+	ldi r2, MAP_INSN | 0xf
+	st r2, @(DMAP_REG,r0)
+	ldi r2, MAP_INSN
+	st r2, @(IMAP1_REG,r0)
+
+;;; Patch the interrupt vector's dbt entry with a jmp to success
+
+	ldi r4, #trap
+	ldi r5, (VEC_DBT & DMAP_MASK) + DMAP_BASE
+	ld2w r2, @(0,r4)
+	st2w r2, @(0,r5)
+	ld2w r2, @(4,r4)
+	st2w r2, @(4,r5)
+
+test_dbt:
+	dbt -> nop
+	exit47
+
+success:
+	checkpsw2 1 PSW_BITS
+	exit0
+
+	.data
+trap:	ldi r1, success@word
+	jmp r1
diff --git a/sim/testsuite/d10v-elf/t-rdt.s b/sim/testsuite/d10v-elf/t-rdt.s
new file mode 100644
index 0000000000..661b583bb1
--- /dev/null
+++ b/sim/testsuite/d10v-elf/t-rdt.s
@@ -0,0 +1,18 @@
+.include "t-macros.i"
+
+	start
+
+	PSW_BITS = PSW_C|PSW_F0|PSW_F1
+	
+	ldi	r6, #success@word
+	mvtc	r6, dpc
+	ldi	r6, #PSW_BITS
+	mvtc	r6, dpsw
+
+test_rdt:
+	RTD
+	exit47
+
+success:
+	checkpsw2 1 PSW_BITS
+	exit0