[pk,fesvr] improved proxykernel build system

Now uses a modified MCPPBS.  Add --host=riscv to configure path.

Front-end server now just searches PATH for riscv-pk, so just install the pk
to somewhere in your path.

1 files changed, 30 insertions, 0 deletions

diff --git a/pk/file.h b/pk/file.h
new file mode 100644
index 0000000..95bf02c
--- /dev/null
+++ b/pk/file.h
@@ -0,0 +1,30 @@
+#ifndef _FILE_H
+#define _FILE_H
+
+#include <sys/stat.h>
+#include <machine/syscall.h>
+#include "atomic.h"
+
+typedef struct file
+{
+  int kfd; // file descriptor on the appserver side
+  atomic_t refcnt;
+} file_t;
+
+extern file_t *stdin, *stdout, *stderr;
+
+file_t* file_get(int fd);
+sysret_t file_open(const char* fn, size_t len, int flags, int mode);
+int file_dup(file_t*);
+
+sysret_t file_write(file_t* f, const void* buf, size_t n);
+sysret_t file_read(file_t* f, void* buf, size_t n);
+sysret_t file_stat(file_t* f, struct stat* s);
+sysret_t file_lseek(file_t* f, size_t ptr, int dir);
+int fd_close(int fd);
+
+void file_init();
+
+#define cons_write(buf,sz) file_write(stdout,buf,sz)
+
+#endif