From 224471d676188c75442ca0139bc964c0b3f00624 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20van=20Dorst?= <opensource@vdorst.com>
Date: Sat, 18 Apr 2026 23:50:47 +0200
Subject: [PATCH] uip: move second argument to __xdata free up 4 sram bytes.

---
 uip/uip.c |  4 ++--
 uip/uip.h | 14 +++++++-------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/uip/uip.c b/uip/uip.c
index 98e18b5..a15787a 100644
--- a/uip/uip.c
+++ b/uip/uip.c
@@ -466,7 +466,7 @@ uip_connect(register __xdata uip_ipaddr_t *ripaddr, __xdata u16_t rport) __banke
 /*---------------------------------------------------------------------------*/
 #if UIP_UDP
 __xdata struct uip_udp_conn *
-uip_udp_new(__xdata uip_ipaddr_t *ripaddr, u16_t rport) __banked
+uip_udp_new(__xdata uip_ipaddr_t *ripaddr, __xdata u16_t rport) __banked
 {
   __xdata struct uip_udp_conn *conn;
   
@@ -1901,7 +1901,7 @@ htons(u16_t val)
 }
 /*---------------------------------------------------------------------------*/
 void
-uip_send(register __xdata const void *data, register uint16_t len) __banked
+uip_send(__xdata const void *data, __xdata uint16_t len) __banked
 {
   if(len > 0) {
     uip_slen = len;
diff --git a/uip/uip.h b/uip/uip.h
index 718d607..d28f295 100644
--- a/uip/uip.h
+++ b/uip/uip.h
@@ -495,7 +495,7 @@ void uip_unlisten(u16_t port) __banked;
  * or NULL if no connection could be allocated.
  *
  */
-__xdata struct uip_conn *uip_connect(register __xdata uip_ipaddr_t *ripaddr, __xdata u16_t port) __banked;
+__xdata struct uip_conn *uip_connect(__xdata uip_ipaddr_t *ripaddr, __xdata u16_t port) __banked;
 
 
 
@@ -535,7 +535,7 @@ __xdata struct uip_conn *uip_connect(register __xdata uip_ipaddr_t *ripaddr, __x
  *
  * \hideinitializer
  */
-void uip_send(register __xdata const void *data, register uint16_t len) __banked;
+void uip_send(__xdata const void *data, __xdata uint16_t len) __banked;
 
 /**
  * The length of any incoming data that is currently avaliable (if avaliable)
@@ -763,7 +763,7 @@ void uip_send(register __xdata const void *data, register uint16_t len) __banked
  * \return The uip_udp_conn structure for the new connection or NULL
  * if no connection could be allocated.
  */
-__xdata struct uip_udp_conn *uip_udp_new(__xdata uip_ipaddr_t *ripaddr, u16_t rport) __banked;
+__xdata struct uip_udp_conn *uip_udp_new(__xdata uip_ipaddr_t *ripaddr, __xdata u16_t rport) __banked;
 
 /**
  * Removed a UDP connection.
@@ -880,8 +880,8 @@ __xdata struct uip_udp_conn *uip_udp_new(__xdata uip_ipaddr_t *ripaddr, u16_t rp
  */
 #if !UIP_CONF_IPV6
 #define uip_ipaddr_copy(dest, src) do { \
-                     ((u16_t __xdata *)dest)[0] = ((u16_t __xdata *)src)[0]; \
-                     ((u16_t __xdata *)dest)[1] = ((u16_t __xdata *)src)[1]; \
+                     ((__xdata u16_t *)dest)[0] = ((__xdata u16_t *)src)[0]; \
+                     ((__xdata u16_t *)dest)[1] = ((__xdata u16_t *)src)[1]; \
                   } while(0)
 #else /* !UIP_CONF_IPV6 */
 #define uip_ipaddr_copy(dest, src) memcpy(dest, src, sizeof(uip_ip6addr_t))
@@ -908,8 +908,8 @@ __xdata struct uip_udp_conn *uip_udp_new(__xdata uip_ipaddr_t *ripaddr, u16_t rp
  * \hideinitializer
  */
 #if !UIP_CONF_IPV6
-#define uip_ipaddr_cmp(addr1, addr2) (((__xdata u16_t *)addr1)[0] == ((u16_t *)addr2)[0] && \
-				      ((__xdata u16_t *)addr1)[1] == ((u16_t *)addr2)[1])
+#define uip_ipaddr_cmp(addr1, addr2) (((__xdata u16_t *)addr1)[0] == ((__xdata u16_t *)addr2)[0] && \
+				      ((__xdata u16_t *)addr1)[1] == ((__xdata u16_t *)addr2)[1])
 #define uip_ipaddr_cmpx(addr1, addr2) (((__xdata u16_t *)addr1)[0] == ((__xdata u16_t *)addr2)[0] && \
 				      ((__xdata u16_t *)addr1)[1] == ((__xdata u16_t *)addr2)[1])
 #define uip_ipaddr_cmpc(addr1, addr2) (((__xdata u16_t *)addr1)[0] == ((__code u16_t *)addr2)[0] && \