[PATCH v3 10/11] sim/testsuite/or1k: Add test case for l.adrp instruction

Stafford Horne shorne@gmail.com
Mon Jun 10 20:49:00 GMT 2019


This is a simple test to ensure that the l.adrp instruction can be assembled and
simulated correctly.

sim/testsuite/sim/or1k/ChangeLog:

yyyy-mm-dd  Stafford Horne  <shorne@gmail.com>

	* adrp.S: New file.
---
Changes since v2:
 - new patch

 sim/testsuite/sim/or1k/adrp.S | 73 +++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 sim/testsuite/sim/or1k/adrp.S

diff --git a/sim/testsuite/sim/or1k/adrp.S b/sim/testsuite/sim/or1k/adrp.S
new file mode 100644
index 0000000000..ba384ccc84
--- /dev/null
+++ b/sim/testsuite/sim/or1k/adrp.S
@@ -0,0 +1,73 @@
+/* Tests the load page address instruction.
+
+   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+# mach: or1k
+# output: report(0x00002064);\n
+# output: report(0x00012138);\n
+# output: report(0x00002000);\n
+# output: report(0x00012000);\n
+# output: report(0x00002000);\n
+# output: report(0x00014000);\n
+# output: report(0x00000000);\n
+# output: exit(0)\n
+
+#include "or1k-asm-test-helpers.h"
+
+	STANDARD_TEST_ENVIRONMENT
+
+	.section .data
+	.org 0x10000
+	.align 4
+	.type   pi, @object
+	.size   pi, 4
+pi:
+	.float	3.14159
+
+	.section .text
+start_tests:
+	PUSH LINK_REGISTER_R9
+
+	/* Print out the PC.  To compare with that loaded by l.adrp.  */
+	l.jal	capture_pc
+	 l.nop
+capture_pc:
+	REPORT_REG_TO_CONSOLE r9
+
+	/* Print out our data address to compared with l.adrp offset.  */
+	l.movhi	r11, ha(pi)
+	l.addi	r11, r11, lo(pi)
+	REPORT_REG_TO_CONSOLE r11
+
+	/* Test l.adrp with symbols, loads page of symbol to register.  */
+	l.adrp	r4, start_tests
+	REPORT_REG_TO_CONSOLE r4
+
+	l.adrp	r4, pi
+	REPORT_REG_TO_CONSOLE r4
+
+	/* Test l.adrp with immediate, immediate is the page offset.  */
+	l.adrp	r4, 0x0
+	REPORT_REG_TO_CONSOLE r4
+
+	l.adrp	r4, 0x12000
+	REPORT_REG_TO_CONSOLE r4
+
+	l.adrp	r4, -0x2000
+	REPORT_REG_TO_CONSOLE r4
+
+	POP LINK_REGISTER_R9
+	RETURN_TO_LINK_REGISTER_R9
-- 
2.21.0



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