3 files changed, 103 insertions, 5 deletions
diff --git a/Makefile b/Makefile
index 70e8c94..c181cf9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,21 @@
 CC = riscv32-none-elf-gcc
 CP = riscv32-none-elf-objcopy
-CFLAGS = -fno-pic -nostdlib -fno-delete-null-pointer-checks --param=min-pagesize=0 -O3 -march=rv32i -mabi=ilp32 -Wall -Wextra -pedantic
+CFLAGS = -fno-pic -nostdlib -fno-delete-null-pointer-checks --param=min-pagesize=0 -O0 -march=rv32i -mabi=ilp32 -Wall -Wextra -pedantic
-SRC = fibonacci.c
+SRC_fib = fibonacci.c
+SRC_rom = rom_large.s
 ROM = riscvtest_rom_image.txt
-all: 
+all: fibonacci
-        ${CC} ${CFLAGS} ${SRC}
+fibonacci: 
+        ${CC} ${CFLAGS} ${SRC_fib}
+        ${CP} -j .text -O binary a.out /dev/stdout \
+        | od -t x4 -w4 - | cut -d' ' -f2 | head -n -1 \
+        > ${ROM}
+rom_large:
+        ${CC} ${CFLAGS} ${SRC_rom}
        ${CP} -j .text -O binary a.out /dev/stdout \
        | od -t x4 -w4 - | cut -d' ' -f2 | head -n -1 \
        > ${ROM}
diff --git a/riscvsingle.sv b/riscvsingle.sv
index 7436ed6..d078176 100644
--- a/riscvsingle.sv
+++ b/riscvsingle.sv
@@ -131,7 +131,7 @@ endmodule
 module imem(input  logic [31:0] a,
            output logic [31:0] rd);
-  logic [31:0] ROM[63:0];
+  logic [31:0] ROM[127:0];
  // Initialize the program memory
  // Simulator : ok
diff --git a/rom_large.s b/rom_large.s
new file mode 100644
index 0000000..e368519
--- /dev/null
+++ b/rom_large.s
@@ -0,0 +1,89 @@
+main:   addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x0, x0, 0
+        addi x1, x0, 300
+        sw x1, 0(x0)
+done:   bne x0, x1, done

diff --git a/Makefile b/Makefile index 70e8c94..c181cf9 100644 --- a/Makefile +++ b/Makefile
@@ -1,12 +1,21 @@
1	CC = riscv32-none-elf-gcc	1	CC = riscv32-none-elf-gcc
2	CP = riscv32-none-elf-objcopy	2	CP = riscv32-none-elf-objcopy
3	CFLAGS = -fno-pic -nostdlib -fno-delete-null-pointer-checks --param=min-pagesize=0 -O3 -march=rv32i -mabi=ilp32 -Wall -Wextra -pedantic	3	CFLAGS = -fno-pic -nostdlib -fno-delete-null-pointer-checks --param=min-pagesize=0 -O0 -march=rv32i -mabi=ilp32 -Wall -Wextra -pedantic
4		4
5	SRC = fibonacci.c	5	SRC_fib = fibonacci.c
		6	SRC_rom = rom_large.s
6	ROM = riscvtest_rom_image.txt	7	ROM = riscvtest_rom_image.txt
7		8
8	all:	9	all: fibonacci
9	${CC} ${CFLAGS} ${SRC}	10
		11	fibonacci:
		12	${CC} ${CFLAGS} ${SRC_fib}
		13	${CP} -j .text -O binary a.out /dev/stdout \
		14	\| od -t x4 -w4 - \| cut -d' ' -f2 \| head -n -1 \
		15	> ${ROM}
		16
		17	rom_large:
		18	${CC} ${CFLAGS} ${SRC_rom}
10	${CP} -j .text -O binary a.out /dev/stdout \	19	${CP} -j .text -O binary a.out /dev/stdout \
11	\| od -t x4 -w4 - \| cut -d' ' -f2 \| head -n -1 \	20	\| od -t x4 -w4 - \| cut -d' ' -f2 \| head -n -1 \
12	> ${ROM}	21	> ${ROM}


diff --git a/riscvsingle.sv b/riscvsingle.sv index 7436ed6..d078176 100644 --- a/riscvsingle.sv +++ b/riscvsingle.sv
@@ -131,7 +131,7 @@ endmodule
131	module imem(input logic [31:0] a,	131	module imem(input logic [31:0] a,
132	output logic [31:0] rd);	132	output logic [31:0] rd);
133		133
134	logic [31:0] ROM[63:0];	134	logic [31:0] ROM[127:0];
135		135
136	// Initialize the program memory	136	// Initialize the program memory
137	// Simulator : ok	137	// Simulator : ok


diff --git a/rom_large.s b/rom_large.s new file mode 100644 index 0000000..e368519 --- /dev/null +++ b/rom_large.s
@@ -0,0 +1,89 @@
		1	main: addi x0, x0, 0
		2	addi x0, x0, 0
		3	addi x0, x0, 0
		4	addi x0, x0, 0
		5	addi x0, x0, 0
		6	addi x0, x0, 0
		7	addi x0, x0, 0
		8	addi x0, x0, 0
		9	addi x0, x0, 0
		10	addi x0, x0, 0
		11	addi x0, x0, 0
		12	addi x0, x0, 0
		13	addi x0, x0, 0
		14	addi x0, x0, 0
		15	addi x0, x0, 0
		16	addi x0, x0, 0
		17	addi x0, x0, 0
		18	addi x0, x0, 0
		19	addi x0, x0, 0
		20	addi x0, x0, 0
		21	addi x0, x0, 0
		22	addi x0, x0, 0
		23	addi x0, x0, 0
		24	addi x0, x0, 0
		25	addi x0, x0, 0
		26	addi x0, x0, 0
		27	addi x0, x0, 0
		28	addi x0, x0, 0
		29	addi x0, x0, 0
		30	addi x0, x0, 0
		31	addi x0, x0, 0
		32	addi x0, x0, 0
		33	addi x0, x0, 0
		34	addi x0, x0, 0
		35	addi x0, x0, 0
		36	addi x0, x0, 0
		37	addi x0, x0, 0
		38	addi x0, x0, 0
		39	addi x0, x0, 0
		40	addi x0, x0, 0
		41	addi x0, x0, 0
		42	addi x0, x0, 0
		43	addi x0, x0, 0
		44	addi x0, x0, 0
		45	addi x0, x0, 0
		46	addi x0, x0, 0
		47	addi x0, x0, 0
		48	addi x0, x0, 0
		49	addi x0, x0, 0
		50	addi x0, x0, 0
		51	addi x0, x0, 0
		52	addi x0, x0, 0
		53	addi x0, x0, 0
		54	addi x0, x0, 0
		55	addi x0, x0, 0
		56	addi x0, x0, 0
		57	addi x0, x0, 0
		58	addi x0, x0, 0
		59	addi x0, x0, 0
		60	addi x0, x0, 0
		61	addi x0, x0, 0
		62	addi x0, x0, 0
		63	addi x0, x0, 0
		64	addi x0, x0, 0
		65	addi x0, x0, 0
		66	addi x0, x0, 0
		67	addi x0, x0, 0
		68	addi x0, x0, 0
		69	addi x0, x0, 0
		70	addi x0, x0, 0
		71	addi x0, x0, 0
		72	addi x0, x0, 0
		73	addi x0, x0, 0
		74	addi x0, x0, 0
		75	addi x0, x0, 0
		76	addi x0, x0, 0
		77	addi x0, x0, 0
		78	addi x0, x0, 0
		79	addi x0, x0, 0
		80	addi x0, x0, 0
		81	addi x0, x0, 0
		82	addi x0, x0, 0
		83	addi x0, x0, 0
		84	addi x0, x0, 0
		85	addi x0, x0, 0
		86	addi x0, x0, 0
		87	addi x1, x0, 300
		88	sw x1, 0(x0)
		89	done: bne x0, x1, done