From 59b3f7f476751bf660e00406f9afba6ca7bddd70 Mon Sep 17 00:00:00 2001
From: Rupert Swarbrick <rswarbrick@lowrisc.org>
Date: Thu, 27 Feb 2020 17:10:11 +0000
Subject: [PATCH] Set the ELF entry point in simple system linker script

This is part of work to run binaries created for the simple system
under Spike. Spike's default behaviour (after a weird 'rom' trampoline
at 0x1000) is to obey the entry point given in the ELF file. So let's
set it correctly.
---
 examples/sw/simple_system/common/link.ld | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/examples/sw/simple_system/common/link.ld b/examples/sw/simple_system/common/link.ld
index 485cbaff..2b4d689b 100644
--- a/examples/sw/simple_system/common/link.ld
+++ b/examples/sw/simple_system/common/link.ld
@@ -16,12 +16,17 @@ _min_stack      = 0x2000;   /* 8K - minimum stack space to reserve */
 _stack_len     = LENGTH(stack);
 _stack_start   = ORIGIN(stack) + LENGTH(stack);
 
+_entry_point = _vectors_start + 0x80;
+ENTRY(_entry_point)
+
 SECTIONS
 {
     .vectors :
     {
         . = ALIGN(4);
+		_vectors_start = .;
         KEEP(*(.vectors))
+		_vectors_end = .;
     } > ram
 
     .text : {