From 1d7ed1f65e339c4c111f14d55bc0ba7220b2f62e Mon Sep 17 00:00:00 2001
From: Nathael Pajani <nathael.pajani@ed3l.fr>
Date: Thu, 17 Apr 2014 11:13:07 +0200
Subject: [PATCH] There are more than the division routines in ROM. Prepare for
 inclusion of the other ones.

---
 core/bootstrap.c                |  4 ++--
 core/{uidiv.c => rom_helpers.c} | 19 ++++++++++++-------
 2 files changed, 14 insertions(+), 9 deletions(-)
 rename core/{uidiv.c => rom_helpers.c} (90%)

diff --git a/core/bootstrap.c b/core/bootstrap.c
index 8b414b3..c59bba2 100644
--- a/core/bootstrap.c
+++ b/core/bootstrap.c
@@ -129,7 +129,7 @@ void *vector_table[] __attribute__ ((section(".vectors"))) = {
 };
 
 
-extern void rom_div_helpers_init(void);
+extern void rom_helpers_init(void);
 /*
  * This is the entry point of the programm
  * It does the set up of the memory and then starts the main.
@@ -149,7 +149,7 @@ void Reset_Handler(void) {
 		*dst++ = 0;
 
 	/* Initialize rom based division helpers */
-	rom_div_helpers_init();
+	rom_helpers_init();
 	/* Start main programm */
 	main();
 }
diff --git a/core/uidiv.c b/core/rom_helpers.c
similarity index 90%
rename from core/uidiv.c
rename to core/rom_helpers.c
index b484b96..ec823ea 100644
--- a/core/uidiv.c
+++ b/core/rom_helpers.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- *   core/uidiv.c
+ *   core/rom_helpers.c
  *
  *
  *
@@ -44,14 +44,8 @@ struct lpc_rom_div_helpers {
 	struct uidiv_return (*rom_uidivmod)(unsigned numerator, unsigned denominator);
 };
 
-#define LPC_122x_DIVROM_LOC (0x1FFC0000)
 static struct lpc_rom_div_helpers* rom_div_helpers;
 
-void rom_div_helpers_init(void)
-{
-	rom_div_helpers = *((struct lpc_rom_div_helpers**)LPC_122x_DIVROM_LOC);
-}
-
 /* Division (/) */
 int __aeabi_idiv(int numerator, int denominator)
 {
@@ -78,3 +72,14 @@ void __aeabi_uidivmod(unsigned numerator, unsigned denominator)
 	asm volatile("" : "+r"(r0), "+r"(r1) : "r"(r0), "r"(r1));
 }
 
+
+/*******************************************************************************/
+/*            Rom based routines initialisation                                */
+/*******************************************************************************/
+#define LPC_122x_DIVROM_LOC (0x1FFC0000)
+
+void rom_helpers_init(void)
+{
+	rom_div_helpers = *((struct lpc_rom_div_helpers**)LPC_122x_DIVROM_LOC);
+}
+
-- 
2.43.0