git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3031 35acf78f-673a-0410-8e92-d51de3d6d3f4

4 files changed, 107 insertions, 86 deletions

diff --git a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/cc.h b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/cc.h
index b90b447e2..ecac81e09 100644
--- a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/cc.h
+++ b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/cc.h
@@ -71,5 +71,14 @@ typedef uint32_t        mem_ptr_t;
 }

 

 #define BYTE_ORDER LITTLE_ENDIAN

+#define LWIP_PROVIDE_ERRNO

+

+#define PACK_STRUCT_BEGIN

+#ifdef PACK_STRUCT_STRUCT

+#undef PACK_STRUCT_STRUCT

+#endif

+#define PACK_STRUCT_STRUCT __attribute__ ((__packed__))

+#define PACK_STRUCT_END

+#define PACK_STRUCT_FIELD(x) x

 

 #endif /* __CC_H__ */

diff --git a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c
index 082f2db4d..7e0212df7 100644
--- a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c
+++ b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c
@@ -52,6 +52,8 @@
  *

  */

 

+// see http://lwip.wikia.com/wiki/Porting_for_an_OS for instructions

+

 #include "ch.h"

 

 #include "lwip/opt.h"

@@ -66,37 +68,39 @@ void sys_init(void) {
 

 }

 

-sys_sem_t sys_sem_new(u8_t count) {

+err_t sys_sem_new(sys_sem_t *sem, u8_t count) {

 

-  sys_sem_t sem = chHeapAlloc(NULL, sizeof(Semaphore));

-  if (sem == 0) {

+  *sem = chHeapAlloc(NULL, sizeof(Semaphore));

+  if (*sem == 0) {

     SYS_STATS_INC(sem.err);

+    return ERR_MEM;

   }

   else {

-    chSemInit(sem, (cnt_t)count);

+    chSemInit(*sem, (cnt_t)count);

     SYS_STATS_INC(sem.used);

+    return ERR_OK;

   }

-  return sem;

 }

 

-void sys_sem_free(sys_sem_t sem) {

+void sys_sem_free(sys_sem_t *sem) {

 

-  chHeapFree(sem);

+  chHeapFree(*sem);

+  *sem = SYS_SEM_NULL;

   SYS_STATS_DEC(sem.used);

 }

 

-void sys_sem_signal(sys_sem_t sem) {

+void sys_sem_signal(sys_sem_t *sem) {

 

-  chSemSignal(sem);

+  chSemSignal(*sem);

 }

 

-u32_t sys_arch_sem_wait(sys_sem_t sem, u32_t timeout) {

+u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout) {

   systime_t time, tmo;

 

   chSysLock();

   tmo = timeout > 0 ? (systime_t)timeout : TIME_INFINITE;

   time = chTimeNow();

-  if (chSemWaitTimeoutS(sem, tmo) != RDY_OK)

+  if (chSemWaitTimeoutS(*sem, tmo) != RDY_OK)

     time = SYS_ARCH_TIMEOUT;

   else

     time = chTimeNow() - time;

@@ -104,44 +108,65 @@ u32_t sys_arch_sem_wait(sys_sem_t sem, u32_t timeout) {
   return time;

 }

 

-sys_mbox_t sys_mbox_new(int size) {

+int sys_sem_valid(sys_sem_t *sem) {

+  return *sem != SYS_SEM_NULL;

+}

+

+// typically called within lwIP after freeing a semaphore

+// to make sure the pointer is not left pointing to invalid data

+void sys_sem_set_invalid(sys_sem_t *sem) {

+  *sem = SYS_SEM_NULL;

+}

+

+err_t sys_mbox_new(sys_mbox_t *mbox, int size) {

   

-  sys_mbox_t mbox = chHeapAlloc(NULL, sizeof(Mailbox) + sizeof(msg_t) * size);

-  if (mbox == 0) {

+  *mbox = chHeapAlloc(NULL, sizeof(Mailbox) + sizeof(msg_t) * size);

+  if (*mbox == 0) {

     SYS_STATS_INC(mbox.err);

+    return ERR_MEM;

   }

   else {

-    chMBInit(mbox, (void *)(((uint8_t *)mbox) + sizeof(Mailbox)), size);

+    chMBInit(*mbox, (void *)(((uint8_t *)*mbox) + sizeof(Mailbox)), size);

     SYS_STATS_INC(mbox.used);

+    return ERR_OK;

   }

-  return mbox;

 }

 

-void sys_mbox_free(sys_mbox_t mbox) {

+void sys_mbox_free(sys_mbox_t *mbox) {

 

-  chHeapFree(mbox);

+  if (chMBGetUsedCountI(*mbox) != 0) {

+    // If there are messages still present in the mailbox when the mailbox

+    // is deallocated, it is an indication of a programming error in lwIP

+    // and the developer should be notified.

+    SYS_STATS_INC(mbox.err);

+    chMBReset(*mbox);

+  }

+  chHeapFree(*mbox);

+  *mbox = SYS_MBOX_NULL;

   SYS_STATS_DEC(mbox.used);

 }

 

-void sys_mbox_post(sys_mbox_t mbox, void *msg) {

+void sys_mbox_post(sys_mbox_t *mbox, void *msg) {

 

-  chMBPost(mbox, (msg_t)msg, TIME_INFINITE);

+  chMBPost(*mbox, (msg_t)msg, TIME_INFINITE);

 }

 

-err_t sys_mbox_trypost(sys_mbox_t mbox, void *msg) {

+err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg) {

 

-  if (chMBPost(mbox, (msg_t)msg, TIME_IMMEDIATE) == RDY_TIMEOUT)

+  if (chMBPost(*mbox, (msg_t)msg, TIME_IMMEDIATE) == RDY_TIMEOUT) {

+    SYS_STATS_INC(mbox.err);

     return ERR_MEM;

+  }

   return ERR_OK;

 }

 

-u32_t sys_arch_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout) {

+u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout) {

   systime_t time, tmo;

 

   chSysLock();

   tmo = timeout > 0 ? (systime_t)timeout : TIME_INFINITE;

   time = chTimeNow();

-  if (chMBFetchS(mbox, (msg_t *)msg, tmo) != RDY_OK)

+  if (chMBFetchS(*mbox, (msg_t *)msg, tmo) != RDY_OK)

     time = SYS_ARCH_TIMEOUT;

   else

     time = chTimeNow() - time;

@@ -149,19 +174,24 @@ u32_t sys_arch_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout) {
   return time;

 }

 

-u32_t sys_arch_mbox_tryfetch(sys_mbox_t mbox, void **msg) {

+u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg) {

 

-  if (chMBFetch(mbox, (msg_t *)msg, TIME_IMMEDIATE) == RDY_TIMEOUT)

+  if (chMBFetch(*mbox, (msg_t *)msg, TIME_IMMEDIATE) == RDY_TIMEOUT)

     return SYS_MBOX_EMPTY;

   return 0;

 }

 

-struct sys_timeouts *sys_arch_timeouts(void) {

+int sys_mbox_valid(sys_mbox_t *mbox) {

+  return *mbox != SYS_MBOX_NULL;

+}

 

-  return (struct sys_timeouts *)currp->p_lwipspace;

+// typically called within lwIP after freeing an mbox

+// to make sure the pointer is not left pointing to invalid data

+void sys_mbox_set_invalid(sys_mbox_t *mbox) {

+  *mbox = SYS_MBOX_NULL;

 }

 

-sys_thread_t sys_thread_new(char *name, void (* thread)(void *arg),

+sys_thread_t sys_thread_new(const char *name, lwip_thread_fn thread,

                             void *arg, int stacksize, int prio) {

   (void)name;

   size_t wsz = THD_WA_SIZE(stacksize);

diff --git a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.h b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.h
index 229ff6638..5c287b243 100644
--- a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.h
+++ b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.h
@@ -66,28 +66,7 @@ typedef int             sys_prot_t;
 #define SYS_THREAD_NULL (Thread *)0

 #define SYS_SEM_NULL    (Semaphore *)0

 

-void sys_init(void);

-sys_sem_t sys_sem_new(u8_t count);

-void sys_sem_free(sys_sem_t sem);

-void sys_sem_signal(sys_sem_t sem);

-u32_t sys_arch_sem_wait(sys_sem_t sem, u32_t timeout);

-

-sys_mbox_t sys_mbox_new(int size);

-void sys_mbox_free(sys_mbox_t mbox);

-void sys_mbox_post(sys_mbox_t mbox, void *msg);

-err_t sys_mbox_trypost(sys_mbox_t mbox, void *msg);

-u32_t sys_arch_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout);

-u32_t sys_arch_mbox_tryfetch(sys_mbox_t mbox, void **msg);

-

-struct sys_timeouts *sys_arch_timeouts(void);

-

-sys_thread_t sys_thread_new(char *name,

-                            void (* thread)(void *arg),

-                            void *arg,

-                            int stacksize,

-                            int prio);

-

-sys_prot_t sys_arch_protect(void);

-void sys_arch_unprotect(sys_prot_t pval);

+/* let sys.h use binary semaphores for mutexes */

+#define LWIP_COMPAT_MUTEX 1

 

 #endif /* __SYS_ARCH_H__ */

diff --git a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwip.mk b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwip.mk
index 99a046b9d..55a9bf7f4 100644
--- a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwip.mk
+++ b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwip.mk
@@ -1,44 +1,47 @@
 # List of the required lwIP files.

+LWIP = 	${CHIBIOS}/ext/lwip-1.4.0

+

 LWNETIFSRC = \

-        ${CHIBIOS}/ext/lwip/src/netif/etharp.c \

-        ${CHIBIOS}/ext/lwip/src/netif/loopif.c

+        ${LWIP}/src/netif/etharp.c

 

 LWCORESRC = \

-        ${CHIBIOS}/ext/lwip/src/core/dhcp.c \

-        ${CHIBIOS}/ext/lwip/src/core/dns.c \

-        ${CHIBIOS}/ext/lwip/src/core/init.c \

-        ${CHIBIOS}/ext/lwip/src/core/mem.c \

-        ${CHIBIOS}/ext/lwip/src/core/memp.c \

-        ${CHIBIOS}/ext/lwip/src/core/netif.c \

-        ${CHIBIOS}/ext/lwip/src/core/pbuf.c \

-        ${CHIBIOS}/ext/lwip/src/core/raw.c \

-        ${CHIBIOS}/ext/lwip/src/core/stats.c \

-        ${CHIBIOS}/ext/lwip/src/core/sys.c \

-        ${CHIBIOS}/ext/lwip/src/core/tcp.c \

-        ${CHIBIOS}/ext/lwip/src/core/tcp_in.c \

-        ${CHIBIOS}/ext/lwip/src/core/tcp_out.c \

-        ${CHIBIOS}/ext/lwip/src/core/udp.c

+        ${LWIP}/src/core/dhcp.c \

+        ${LWIP}/src/core/dns.c \

+        ${LWIP}/src/core/init.c \

+        ${LWIP}/src/core/mem.c \

+        ${LWIP}/src/core/memp.c \

+        ${LWIP}/src/core/netif.c \

+        ${LWIP}/src/core/pbuf.c \

+        ${LWIP}/src/core/raw.c \

+        ${LWIP}/src/core/stats.c \

+        ${LWIP}/src/core/sys.c \

+        ${LWIP}/src/core/tcp.c \

+        ${LWIP}/src/core/tcp_in.c \

+        ${LWIP}/src/core/tcp_out.c \

+        ${LWIP}/src/core/udp.c

 

 LWIPV4SRC = \

-        ${CHIBIOS}/ext/lwip/src/core/ipv4/autoip.c \

-        ${CHIBIOS}/ext/lwip/src/core/ipv4/icmp.c \

-        ${CHIBIOS}/ext/lwip/src/core/ipv4/igmp.c \

-        ${CHIBIOS}/ext/lwip/src/core/ipv4/inet.c \

-        ${CHIBIOS}/ext/lwip/src/core/ipv4/inet_chksum.c \

-        ${CHIBIOS}/ext/lwip/src/core/ipv4/ip.c \

-        ${CHIBIOS}/ext/lwip/src/core/ipv4/ip_addr.c \

-        ${CHIBIOS}/ext/lwip/src/core/ipv4/ip_frag.c

+        ${LWIP}/src/core/ipv4/autoip.c \

+        ${LWIP}/src/core/ipv4/icmp.c \

+        ${LWIP}/src/core/ipv4/igmp.c \

+        ${LWIP}/src/core/ipv4/inet.c \

+        ${LWIP}/src/core/ipv4/inet_chksum.c \

+        ${LWIP}/src/core/ipv4/ip.c \

+        ${LWIP}/src/core/ipv4/ip_addr.c \

+        ${LWIP}/src/core/ipv4/ip_frag.c \

+        ${LWIP}/src/core/def.c \

+        ${LWIP}/src/core/timers.c

 

 LWAPISRC = \

-        ${CHIBIOS}/ext/lwip/src/api/api_lib.c \

-        ${CHIBIOS}/ext/lwip/src/api/api_msg.c \

-        ${CHIBIOS}/ext/lwip/src/api/err.c \

-        ${CHIBIOS}/ext/lwip/src/api/netbuf.c \

-        ${CHIBIOS}/ext/lwip/src/api/netdb.c \

-        ${CHIBIOS}/ext/lwip/src/api/netifapi.c \

-        ${CHIBIOS}/ext/lwip/src/api/sockets.c \

-        ${CHIBIOS}/ext/lwip/src/api/tcpip.c

+        ${LWIP}/src/api/api_lib.c \

+        ${LWIP}/src/api/api_msg.c \

+        ${LWIP}/src/api/err.c \

+        ${LWIP}/src/api/netbuf.c \

+        ${LWIP}/src/api/netdb.c \

+        ${LWIP}/src/api/netifapi.c \

+        ${LWIP}/src/api/sockets.c \

+        ${LWIP}/src/api/tcpip.c

 

 LWINC = \

-        ${CHIBIOS}/ext/lwip/src/include \

-        ${CHIBIOS}/ext/lwip/src/include/ipv4

+        ${LWIP}/src/include \

+        ${LWIP}/src/include/ipv4