Added mul tests from riscv-tests

Makefile

@@ -31,7 +31,7 @@ firmware/firmware.bin: firmware/firmware.elf
 	chmod -x $@
 
 firmware/firmware.elf: $(FIRMWARE_OBJS) $(TEST_OBJS) firmware/sections.lds
-	riscv64-unknown-elf-gcc -Os -m32 -march=RV32I -ffreestanding -nostdlib -o $@ \
+	riscv64-unknown-elf-gcc -Os -m32 -ffreestanding -nostdlib -o $@ \
 		-Wl,-Bstatic,-T,firmware/sections.lds,-Map,firmware/firmware.map,--strip-debug \
 		$(FIRMWARE_OBJS) $(TEST_OBJS) -lgcc
 	chmod -x $@
@@ -40,10 +40,10 @@ firmware/start.o: firmware/start.S
 	riscv64-unknown-elf-gcc -c -m32 -o $@ $<
 
 firmware/%.o: firmware/%.c
-	riscv64-unknown-elf-gcc -c -Os -m32 -march=RV32I -ffreestanding -nostdlib -o $@ $<
+	riscv64-unknown-elf-gcc -c -m32 -march=RV32I -Os -ffreestanding -nostdlib -o $@ $<
 
 tests/%.o: tests/%.S tests/riscv_test.h tests/test_macros.h
-	riscv64-unknown-elf-gcc -m32 -march=RV32I -c -o $@ -DTEST_FUNC_NAME=$(notdir $(basename $<)) \
+	riscv64-unknown-elf-gcc -c -m32 -o $@ -DTEST_FUNC_NAME=$(notdir $(basename $<)) \
 		-DTEST_FUNC_TXT='"$(notdir $(basename $<))"' -DTEST_FUNC_RET=$(notdir $(basename $<))_ret $<
 
 clean:

firmware/start.S

@@ -217,6 +217,11 @@ start:
 	TEST(or)
 	TEST(and)
 
+	TEST(mulh)
+	TEST(mulhsu)
+	TEST(mulhu)
+	TEST(mul)
+
 	TEST(simple)
 
 	/* set stack pointer */

tests/README

@@ -0,0 +1 @@
+Tests from https://github.com/riscv/riscv-tests/tree/master/isa/rv32ui

tests/mul.S

@@ -0,0 +1,84 @@
+# See LICENSE for license details.
+
+#*****************************************************************************
+# mul.S
+#-----------------------------------------------------------------------------
+#
+# Test mul instruction.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV32U
+RVTEST_CODE_BEGIN
+
+  #-------------------------------------------------------------
+  # Arithmetic tests
+  #-------------------------------------------------------------
+
+  TEST_RR_OP(32,  mul, 0x00001200, 0x00007e00, 0xb6db6db7 );
+  TEST_RR_OP(33,  mul, 0x00001240, 0x00007fc0, 0xb6db6db7 );
+
+  TEST_RR_OP( 2,  mul, 0x00000000, 0x00000000, 0x00000000 );
+  TEST_RR_OP( 3,  mul, 0x00000001, 0x00000001, 0x00000001 );
+  TEST_RR_OP( 4,  mul, 0x00000015, 0x00000003, 0x00000007 );
+
+  TEST_RR_OP( 5,  mul, 0x00000000, 0x00000000, 0xffff8000 );
+  TEST_RR_OP( 6,  mul, 0x00000000, 0x80000000, 0x00000000 );
+  TEST_RR_OP( 7,  mul, 0x00000000, 0x80000000, 0xffff8000 );
+
+  TEST_RR_OP(30,  mul, 0x0000ff7f, 0xaaaaaaab, 0x0002fe7d );
+  TEST_RR_OP(31,  mul, 0x0000ff7f, 0x0002fe7d, 0xaaaaaaab );
+
+  TEST_RR_OP(34,  mul, 0x00000000, 0xff000000, 0xff000000 );
+
+  TEST_RR_OP(35,  mul, 0x00000001, 0xffffffff, 0xffffffff );
+  TEST_RR_OP(36,  mul, 0xffffffff, 0xffffffff, 0x00000001 );
+  TEST_RR_OP(37,  mul, 0xffffffff, 0x00000001, 0xffffffff );
+
+  #-------------------------------------------------------------
+  # Source/Destination tests
+  #-------------------------------------------------------------
+
+  TEST_RR_SRC1_EQ_DEST( 8, mul, 143, 13, 11 );
+  TEST_RR_SRC2_EQ_DEST( 9, mul, 154, 14, 11 );
+  TEST_RR_SRC12_EQ_DEST( 10, mul, 169, 13 );
+
+  #-------------------------------------------------------------
+  # Bypassing tests
+  #-------------------------------------------------------------
+
+  TEST_RR_DEST_BYPASS( 11, 0, mul, 143, 13, 11 );
+  TEST_RR_DEST_BYPASS( 12, 1, mul, 154, 14, 11 );
+  TEST_RR_DEST_BYPASS( 13, 2, mul, 165, 15, 11 );
+
+  TEST_RR_SRC12_BYPASS( 14, 0, 0, mul, 143, 13, 11 );
+  TEST_RR_SRC12_BYPASS( 15, 0, 1, mul, 154, 14, 11 );
+  TEST_RR_SRC12_BYPASS( 16, 0, 2, mul, 165, 15, 11 );
+  TEST_RR_SRC12_BYPASS( 17, 1, 0, mul, 143, 13, 11 );
+  TEST_RR_SRC12_BYPASS( 18, 1, 1, mul, 154, 14, 11 );
+  TEST_RR_SRC12_BYPASS( 19, 2, 0, mul, 165, 15, 11 );
+
+  TEST_RR_SRC21_BYPASS( 20, 0, 0, mul, 143, 13, 11 );
+  TEST_RR_SRC21_BYPASS( 21, 0, 1, mul, 154, 14, 11 );
+  TEST_RR_SRC21_BYPASS( 22, 0, 2, mul, 165, 15, 11 );
+  TEST_RR_SRC21_BYPASS( 23, 1, 0, mul, 143, 13, 11 );
+  TEST_RR_SRC21_BYPASS( 24, 1, 1, mul, 154, 14, 11 );
+  TEST_RR_SRC21_BYPASS( 25, 2, 0, mul, 165, 15, 11 );
+
+  TEST_RR_ZEROSRC1( 26, mul, 0, 31 );
+  TEST_RR_ZEROSRC2( 27, mul, 0, 32 );
+  TEST_RR_ZEROSRC12( 28, mul, 0 );
+  TEST_RR_ZERODEST( 29, mul, 33, 34 );
+
+  TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+  .data
+RVTEST_DATA_BEGIN
+
+  TEST_DATA
+
+RVTEST_DATA_END

tests/mulh.S

@@ -0,0 +1,81 @@
+# See LICENSE for license details.
+
+#*****************************************************************************
+# mulh.S
+#-----------------------------------------------------------------------------
+#
+# Test mulh instruction.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV32U
+RVTEST_CODE_BEGIN
+
+  #-------------------------------------------------------------
+  # Arithmetic tests
+  #-------------------------------------------------------------
+
+  TEST_RR_OP( 2,  mulh, 0x00000000, 0x00000000, 0x00000000 );
+  TEST_RR_OP( 3,  mulh, 0x00000000, 0x00000001, 0x00000001 );
+  TEST_RR_OP( 4,  mulh, 0x00000000, 0x00000003, 0x00000007 );
+
+  TEST_RR_OP( 5,  mulh, 0x00000000, 0x00000000, 0xffff8000 );
+  TEST_RR_OP( 6,  mulh, 0x00000000, 0x80000000, 0x00000000 );
+  TEST_RR_OP( 7,  mulh, 0x00000000, 0x80000000, 0x00000000 );
+
+  TEST_RR_OP(30,  mulh, 0xffff0081, 0xaaaaaaab, 0x0002fe7d );
+  TEST_RR_OP(31,  mulh, 0xffff0081, 0x0002fe7d, 0xaaaaaaab );
+
+  TEST_RR_OP(32,  mulh, 0x00010000, 0xff000000, 0xff000000 );
+
+  TEST_RR_OP(33,  mulh, 0x00000000, 0xffffffff, 0xffffffff );
+  TEST_RR_OP(34,  mulh, 0xffffffff, 0xffffffff, 0x00000001 );
+  TEST_RR_OP(35,  mulh, 0xffffffff, 0x00000001, 0xffffffff );
+
+  #-------------------------------------------------------------
+  # Source/Destination tests
+  #-------------------------------------------------------------
+
+  TEST_RR_SRC1_EQ_DEST( 8, mulh, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC2_EQ_DEST( 9, mulh, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_EQ_DEST( 10, mulh, 43264, 13<<20 );
+
+  #-------------------------------------------------------------
+  # Bypassing tests
+  #-------------------------------------------------------------
+
+  TEST_RR_DEST_BYPASS( 11, 0, mulh, 36608, 13<<20, 11<<20 );
+  TEST_RR_DEST_BYPASS( 12, 1, mulh, 39424, 14<<20, 11<<20 );
+  TEST_RR_DEST_BYPASS( 13, 2, mulh, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_SRC12_BYPASS( 14, 0, 0, mulh, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 15, 0, 1, mulh, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 16, 0, 2, mulh, 42240, 15<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 17, 1, 0, mulh, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 18, 1, 1, mulh, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 19, 2, 0, mulh, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_SRC21_BYPASS( 20, 0, 0, mulh, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 21, 0, 1, mulh, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 22, 0, 2, mulh, 42240, 15<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 23, 1, 0, mulh, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 24, 1, 1, mulh, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 25, 2, 0, mulh, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_ZEROSRC1( 26, mulh, 0, 31<<26 );
+  TEST_RR_ZEROSRC2( 27, mulh, 0, 32<<26 );
+  TEST_RR_ZEROSRC12( 28, mulh, 0 );
+  TEST_RR_ZERODEST( 29, mulh, 33<<20, 34<<20 );
+
+  TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+  .data
+RVTEST_DATA_BEGIN
+
+  TEST_DATA
+
+RVTEST_DATA_END

tests/mulhsu.S

@@ -0,0 +1,83 @@
+# See LICENSE for license details.
+
+#*****************************************************************************
+# mulhsu.S
+#-----------------------------------------------------------------------------
+#
+# Test mulhsu instruction.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV32U
+RVTEST_CODE_BEGIN
+
+  #-------------------------------------------------------------
+  # Arithmetic tests
+  #-------------------------------------------------------------
+
+  TEST_RR_OP( 2,  mulhsu, 0x00000000, 0x00000000, 0x00000000 );
+  TEST_RR_OP( 3,  mulhsu, 0x00000000, 0x00000001, 0x00000001 );
+  TEST_RR_OP( 4,  mulhsu, 0x00000000, 0x00000003, 0x00000007 );
+
+  TEST_RR_OP( 5,  mulhsu, 0x00000000, 0x00000000, 0xffff8000 );
+  TEST_RR_OP( 6,  mulhsu, 0x00000000, 0x80000000, 0x00000000 );
+  TEST_RR_OP( 7,  mulhsu, 0x80004000, 0x80000000, 0xffff8000 );
+
+  TEST_RR_OP(30,  mulhsu, 0xffff0081, 0xaaaaaaab, 0x0002fe7d );
+  TEST_RR_OP(31,  mulhsu, 0x0001fefe, 0x0002fe7d, 0xaaaaaaab );
+
+  TEST_RR_OP(32,  mulhsu, 0xff010000, 0xff000000, 0xff000000 );
+
+  TEST_RR_OP(33,  mulhsu, 0xffffffff, 0xffffffff, 0xffffffff );
+  TEST_RR_OP(34,  mulhsu, 0xffffffff, 0xffffffff, 0x00000001 );
+  TEST_RR_OP(35,  mulhsu, 0x00000000, 0x00000001, 0xffffffff );
+
+  #-------------------------------------------------------------
+  # Source/Destination tests
+  #-------------------------------------------------------------
+
+  TEST_RR_SRC1_EQ_DEST( 8, mulhsu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC2_EQ_DEST( 9, mulhsu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_EQ_DEST( 10, mulhsu, 43264, 13<<20 );
+
+  #-------------------------------------------------------------
+  # Bypassing tests
+  #-------------------------------------------------------------
+
+  TEST_RR_DEST_BYPASS( 11, 0, mulhsu, 36608, 13<<20, 11<<20 );
+  TEST_RR_DEST_BYPASS( 12, 1, mulhsu, 39424, 14<<20, 11<<20 );
+  TEST_RR_DEST_BYPASS( 13, 2, mulhsu, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_SRC12_BYPASS( 14, 0, 0, mulhsu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 15, 0, 1, mulhsu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 16, 0, 2, mulhsu, 42240, 15<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 17, 1, 0, mulhsu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 18, 1, 1, mulhsu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 19, 2, 0, mulhsu, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_SRC21_BYPASS( 20, 0, 0, mulhsu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 21, 0, 1, mulhsu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 22, 0, 2, mulhsu, 42240, 15<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 23, 1, 0, mulhsu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 24, 1, 1, mulhsu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 25, 2, 0, mulhsu, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_ZEROSRC1( 26, mulhsu, 0, 31<<26 );
+  TEST_RR_ZEROSRC2( 27, mulhsu, 0, 32<<26 );
+  TEST_RR_ZEROSRC12( 28, mulhsu, 0 );
+  TEST_RR_ZERODEST( 29, mulhsu, 33<<20, 34<<20 );
+
+
+
+  TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+  .data
+RVTEST_DATA_BEGIN
+
+  TEST_DATA
+
+RVTEST_DATA_END

tests/mulhu.S

@@ -0,0 +1,82 @@
+# See LICENSE for license details.
+
+#*****************************************************************************
+# mulhu.S
+#-----------------------------------------------------------------------------
+#
+# Test mulhu instruction.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV32U
+RVTEST_CODE_BEGIN
+
+  #-------------------------------------------------------------
+  # Arithmetic tests
+  #-------------------------------------------------------------
+
+  TEST_RR_OP( 2,  mulhu, 0x00000000, 0x00000000, 0x00000000 );
+  TEST_RR_OP( 3,  mulhu, 0x00000000, 0x00000001, 0x00000001 );
+  TEST_RR_OP( 4,  mulhu, 0x00000000, 0x00000003, 0x00000007 );
+
+  TEST_RR_OP( 5,  mulhu, 0x00000000, 0x00000000, 0xffff8000 );
+  TEST_RR_OP( 6,  mulhu, 0x00000000, 0x80000000, 0x00000000 );
+  TEST_RR_OP( 7,  mulhu, 0x7fffc000, 0x80000000, 0xffff8000 );
+
+  TEST_RR_OP(30,  mulhu, 0x0001fefe, 0xaaaaaaab, 0x0002fe7d );
+  TEST_RR_OP(31,  mulhu, 0x0001fefe, 0x0002fe7d, 0xaaaaaaab );
+
+  TEST_RR_OP(32,  mulhu, 0xfe010000, 0xff000000, 0xff000000 );
+
+  TEST_RR_OP(33,  mulhu, 0xfffffffe, 0xffffffff, 0xffffffff );
+  TEST_RR_OP(34,  mulhu, 0x00000000, 0xffffffff, 0x00000001 );
+  TEST_RR_OP(35,  mulhu, 0x00000000, 0x00000001, 0xffffffff );
+
+  #-------------------------------------------------------------
+  # Source/Destination tests
+  #-------------------------------------------------------------
+
+  TEST_RR_SRC1_EQ_DEST( 8, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC2_EQ_DEST( 9, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_EQ_DEST( 10, mulhu, 43264, 13<<20 );
+
+  #-------------------------------------------------------------
+  # Bypassing tests
+  #-------------------------------------------------------------
+
+  TEST_RR_DEST_BYPASS( 11, 0, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_DEST_BYPASS( 12, 1, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_DEST_BYPASS( 13, 2, mulhu, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_SRC12_BYPASS( 14, 0, 0, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 15, 0, 1, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 16, 0, 2, mulhu, 42240, 15<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 17, 1, 0, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 18, 1, 1, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 19, 2, 0, mulhu, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_SRC21_BYPASS( 20, 0, 0, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 21, 0, 1, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 22, 0, 2, mulhu, 42240, 15<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 23, 1, 0, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 24, 1, 1, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 25, 2, 0, mulhu, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_ZEROSRC1( 26, mulhu, 0, 31<<26 );
+  TEST_RR_ZEROSRC2( 27, mulhu, 0, 32<<26 );
+  TEST_RR_ZEROSRC12( 28, mulhu, 0 );
+  TEST_RR_ZERODEST( 29, mulhu, 33<<20, 34<<20 );
+
+
+  TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+  .data
+RVTEST_DATA_BEGIN
+
+  TEST_DATA
+
+RVTEST_DATA_END