From f54f9c4643494973a6a7143742217de01820bbd5 Mon Sep 17 00:00:00 2001
From: qiuchengxuan <qiuchengxuan@gmail.com>
Date: Mon, 1 Mar 2021 23:13:18 +0800
Subject: [PATCH] Add support for customized text start address

---
 config/src/config.rs        | 8 ++++++++
 src/templates/layout.ld.hbs | 8 +++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/config/src/config.rs b/config/src/config.rs
index 8eba894..9e66549 100644
--- a/config/src/config.rs
+++ b/config/src/config.rs
@@ -12,6 +12,7 @@ pub struct Config {
     pub memory: Memory,
     pub heap: Heap,
     pub linker: Linker,
+    pub text: Option<Text>,
     pub probe: Option<Probe>,
     pub log: Option<Log>,
 }
@@ -71,6 +72,13 @@ pub struct HeapPool {
     pub capacity: u32,
 }
 
+#[non_exhaustive]
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct Text {
+    pub start: u32,
+}
+
 #[non_exhaustive]
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[serde(rename_all = "kebab-case")]
diff --git a/src/templates/layout.ld.hbs b/src/templates/layout.ld.hbs
index 58c751a..753cd0a 100644
--- a/src/templates/layout.ld.hbs
+++ b/src/templates/layout.ld.hbs
@@ -30,7 +30,13 @@ SECTIONS
     } > FLASH
 {{~ /if}}
 
-    .text :
+{{~ #if config.text.start }}
+    _stext = {{addr config.text.start}};
+{{~ else}}
+    _stext = ADDR(.vtable) + SIZEOF(.vtable);
+{{~ /if}}
+
+    .text _stext:
     {
         *(.text.reset);
         *(.text.*);