sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 143 insertions, 0 deletions

diff --git a/sim/ucsim/gui.src/serio.src/fileio.cc b/sim/ucsim/gui.src/serio.src/fileio.cc
new file mode 100644
index 0000000..5f7e6fa
--- /dev/null
+++ b/sim/ucsim/gui.src/serio.src/fileio.cc
@@ -0,0 +1,143 @@
+/******************************************************************************
+ * to emulate the serial input and output of an 8051 controller               *
+ * fileio.cc - file input and output                                          *
+ ******************************************************************************/
+#include <sys/types.h>
+#include <iostream>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include "fileio.hh"
+
+FileIO::FileIO()
+{
+
+  // make the input fifo
+  if(mkfifo(DEF_INFILE, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) == -1) {
+    if(errno != EEXIST) {
+      std::cerr << "mkfifo(): Error number " << errno << " occourred: " << strerror(errno) << "\n";
+      exit(-1);
+    }
+  }
+  
+  // the input fifo - non blocking
+  if ((fdin = open(DEF_INFILE, O_RDONLY|O_NONBLOCK)) == -1) {
+    std::cerr << "open(): Error number " << errno << " occourred: " << strerror(errno) << "\n";
+    exit(-1);
+  }
+  
+  // make the output fifo
+  if(mkfifo(DEF_OUTFILE, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) == -1) {
+    if(errno != EEXIST) {
+      std::cerr << "mkfifo(): Error number " << errno << " occourred: " << strerror(errno) << "\n";
+      exit(-1);
+    }
+  }
+  
+  // the output fifo
+  if ((fdout = open(DEF_OUTFILE, O_RDWR|O_NONBLOCK)) == -1) {
+    std::cerr << "open(): Error number " << errno << " occourred: " << strerror(errno) << "\n";
+    exit(-1);
+  }
+}
+
+FileIO::FileIO(const char *infile, const char *outfile)
+{
+  // make the input fifo
+  if(mkfifo(infile, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) == -1) {
+    if(errno != EEXIST) {
+      std::cerr << "mkfifo(): Error number " << errno << " occourred: " << strerror(errno);
+      exit(-1);
+    }
+  }
+  
+  // the input fifo - non blocking
+  if ((fdin = open(infile, O_RDONLY|O_NONBLOCK)) == -1) {
+    std::cerr << "open(): Error number " << errno << " occourred: " << strerror(errno);
+    exit(-1);
+  }
+  
+  // make the output fifo
+  if(mkfifo(outfile, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) == -1) {
+    if(errno != EEXIST) {
+      std::cerr << "mkfifo(): Error number " << errno << " occourred: " << strerror(errno);
+      exit(-1);
+    }
+  }
+  
+  // the output fifo
+  if ((fdout = open(outfile, O_RDWR|O_NONBLOCK)) == -1) {
+    std::cerr << "open(): Error number " << errno << " occourred: " << strerror(errno);
+    exit(-1);
+  }
+}
+
+
+FileIO::~FileIO()
+{
+  close(fdin);
+  close(fdout);
+}
+
+int FileIO::SendByte(char b)
+{
+  int ret;
+  
+  if((ret = write(fdout, &b, 1)) != 1)
+    {
+      std::cerr << "write(): Error number " << errno << " occourred: " << strerror(errno);
+      exit(-1);
+    }
+  
+  return(ret);
+}
+
+
+int FileIO::RecvByte(char *b)
+{
+  int ret;
+  
+  ret = read(fdin, b, 1);
+  
+  if((ret == -1) && (errno != EAGAIN))
+    {
+      std::cerr << "read(): Error number " << errno << " occourred: " << strerror(errno);
+      exit(-1);
+    }
+  
+  return(ret);
+}
+
+// send a string
+int FileIO::SendStr(char *str)
+{
+  int ret;
+  
+  if((ret = write(fdout, str, strlen(str))) != (int)strlen(str))
+    {
+      std::cerr << "write(): Error number " << errno << " occourred: " << strerror(errno);
+      exit(-1);
+    }
+  
+  return(ret);
+}
+
+
+int FileIO::RecvStr(char *str)
+{
+  int ret;
+  
+  ret = read(fdin, str, MAX_SIZ-1);
+  str[MAX_SIZ] = 0;
+  
+  if((ret == -1) && (errno != EAGAIN))
+    {
+      std::cerr << "read(): Error number " << errno << " occourred: " << strerror(errno);
+      exit(-1);
+    }
+  
+  return(ret);
+}