From 005ad4e9871310ba125623b2a7112695c0497bc4 Mon Sep 17 00:00:00 2001
From: Imbus <>
Date: Sun, 7 Apr 2024 14:56:53 +0200
Subject: [PATCH] Alignment in linker script

---
 add.s    | 17 +++++++++++++++++
 link.ld  |  3 +++
 main.s   |  1 -
 makefile |  3 +++
 4 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 add.s

diff --git a/add.s b/add.s
new file mode 100644
index 0000000..226ac96
--- /dev/null
+++ b/add.s
@@ -0,0 +1,17 @@
+.globl add
+.text
+.align  2
+.type   add, @function
+add:
+    addi    sp,sp,-32
+    sw      ra,28(sp)
+    sw      s0,24(sp)
+    addi    s0,sp,32
+    sw      a0,-20(s0)
+    lw      a5,-20(s0)
+    slli    a5,a5,1
+    mv      a0,a5
+    lw      ra,28(sp)
+    lw      s0,24(sp)
+    addi    sp,sp,32
+    jr      ra
diff --git a/link.ld b/link.ld
index 8401657..fdcb3ce 100644
--- a/link.ld
+++ b/link.ld
@@ -7,12 +7,15 @@ SECTIONS {
     .text : {
         main.o(.text.*)
         *(.text)
+        . = ALIGN(4);
     } > DRAM
     .data : {
         *(.data)
+        . = ALIGN(4);
     } > DRAM AT > SRAM
     .bss : {
         *(.bss)
+        . = ALIGN(4);
     } > DRAM
     /DISCARD/ : {
         *(.riscv.attributes)
diff --git a/main.s b/main.s
index 0483446..5881cc2 100644
--- a/main.s
+++ b/main.s
@@ -1,6 +1,5 @@
 # Define variables
 .data
-.align 4
     num1: .word 5     # First number
     num2: .word 7     # Second number
     result: .word 0   # Variable to store the result
diff --git a/makefile b/makefile
index 9d21460..e1c6069 100644
--- a/makefile
+++ b/makefile
@@ -84,6 +84,9 @@ data: all
 size: all
 	$(SIZE) $(TARGET)
 
+format:
+	clang-format -i *.s
+
 # Clean up
 clean:
 	rm -f $(TARGET) $(OBJS)