first user application

2025-07-29 08:47:34 +03:00
parent 5dfff307df
commit 2a6266566a
6 changed files with 79 additions and 14 deletions
--- a/user.ld
+++ b/user.ld
@@ -0,0 +1,32 @@
+ENTRY(start)
+
+SECTIONS {
+    . = 0x10000000;
+
+    /* machine code */
+    .text :{
+        KEEP(*(.text.start));
+        *(.text .text.*);
+    }
+
+    /* read only data */
+    .rodata : ALIGN(4) {
+        *(.rodata .rodata.*);
+    }
+
+    /* data with initial values */
+    .data : ALIGN(4) {
+        *(.data .data.*);
+    }
+
+    /* data that should be zero-filled at the start */
+    .bss : ALIGN(4) {
+        *(.bss .bss.* .sbss .sbss.*);
+
+        . = ALIGN(16);
+        . += 64 * 1024; /* 64KB */
+        __stack_top = .;
+
+        ASSERT(. < 0x18000000, "executable is too large");
+    }
+}