Added freebsd support from Dario Alcocer <alcocer@connectnet.com>.

c/src/exec/libcsupport/src/termios.c

@@ -24,6 +24,20 @@
 #include <termios.h>
 #include <unistd.h>
 
+/*
+ *  FreeBSD does not support a full POSIX termios so we have to help it out
+ */
+
+
+#if defined(__FreeBSD__)
+#define XTABS   0
+#define ONLRET  0
+#define ONOCR   0
+#define TABDLY  0
+#define OLCUC   0
+#define ILCUC   0
+#endif
+
 /*
  * The size of the cooked buffer
  */

c/src/exec/score/cpu/unix/cpu.c

@@ -152,8 +152,12 @@ void _CPU_Signal_initialize( void )
   sigaction(SIGUSR1, &act, 0);
   sigaction(SIGUSR2, &act, 0);
   sigaction(SIGCHLD, &act, 0);
+#ifdef SIGCLD
   sigaction(SIGCLD, &act, 0);
+#endif
+#ifdef SIGPWR
   sigaction(SIGPWR, &act, 0);
+#endif
   sigaction(SIGVTALRM, &act, 0);
   sigaction(SIGPROF, &act, 0);
   sigaction(SIGIO, &act, 0);
@@ -741,9 +745,10 @@ void _CPU_Stray_signal(int sig_num)
 
   switch (sig_num)
   {
+#ifdef SIGCLD
       case SIGCLD:
           break;
-
+#endif
       default:
       {
         /*
@@ -987,7 +992,7 @@ void _CPU_SHM_Init(
 
         help.val = 1;
         status = semctl( _CPU_SHM_Semid, i, SETVAL, help );
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__FreeBSD__)
         union semun help;
 
         help.val = 1;

c/src/exec/score/cpu/unix/cpu.h

@@ -382,6 +382,14 @@ extern "C" {
  */
  
 #ifdef RTEMS_UNIXLIB
+#if defined(__FreeBSD__)
+#define RET_OFF    0
+#define EBX_OFF    1
+#define EBP_OFF    2
+#define ESP_OFF    3
+#define ESI_OFF    4
+#define EDI_OFF    5
+#else
 #define EBX_OFF    0
 #define ESI_OFF    1
 #define EDI_OFF    2
@@ -389,6 +397,7 @@ extern "C" {
 #define ESP_OFF    4
 #define RET_OFF    5
 #endif
+#endif
  
 #endif
  

c/src/exec/score/cpu/unix/unix.h

@@ -46,6 +46,10 @@ extern "C" {
  
 #define CPU_MODEL_NAME  "Linux"
  
+#elif defined(__FreeBSD__)
+ 
+#define CPU_MODEL_NAME  "FreeBSD"
+ 
 #else
  
 #error "Unsupported CPU Model"

c/src/exec/score/tools/generic/size_rtems.in

@@ -54,6 +54,13 @@ case $target in
       echo Not supported on unix port.
       exit 0
       ;;
+  i[3456]86-unknown-freebsd2.[12]*)
+      echo freebsd
+      rtems_cpu=unix
+      bsp=freebsd2
+      echo Not supported on unix port.
+      exit 0
+      ;;
   *-rtems*)
     cpu=`echo $target | sed -e 's/-.*//'`
     rtems_cpu=$cpu

c/src/lib/libc/termios.c

@@ -24,6 +24,20 @@
 #include <termios.h>
 #include <unistd.h>
 
+/*
+ *  FreeBSD does not support a full POSIX termios so we have to help it out
+ */
+
+
+#if defined(__FreeBSD__)
+#define XTABS   0
+#define ONLRET  0
+#define ONOCR   0
+#define TABDLY  0
+#define OLCUC   0
+#define ILCUC   0
+#endif
+
 /*
  * The size of the cooked buffer
  */