Skeleton of VideoCore IV support for the Raspberry Pi.

--HG-- branch : dtrg-videocore rename : mach/powerpc/as/.distr => mach/vc4/as/.distr rename : mach/powerpc/as/mach0.c => mach/vc4/as/mach0.c rename : mach/powerpc/as/mach1.c => mach/vc4/as/mach1.c rename : mach/powerpc/as/mach2.c => mach/vc4/as/mach2.c rename : mach/powerpc/as/mach3.c => mach/vc4/as/mach3.c rename : mach/powerpc/as/mach4.c => mach/vc4/as/mach4.c rename : mach/powerpc/as/mach5.c => mach/vc4/as/mach5.c rename : mach/i86/build.mk => mach/vc4/build.mk rename : mach/powerpc/libem/powerpc.h => mach/vc4/libem/videocore.h rename : mach/i86/libend/.distr => mach/vc4/libend/.distr rename : mach/i86/libend/edata.s => mach/vc4/libend/edata.s rename : mach/i86/libend/em_end.s => mach/vc4/libend/em_end.s rename : mach/i86/libend/end.s => mach/vc4/libend/end.s rename : mach/i86/libend/etext.s => mach/vc4/libend/etext.s rename : mach/powerpc/ncg/.distr => mach/vc4/ncg/.distr rename : mach/powerpc/ncg/mach.c => mach/vc4/ncg/mach.c rename : mach/powerpc/ncg/mach.h => mach/vc4/ncg/mach.h rename : mach/powerpc/ncg/table => mach/vc4/ncg/table rename : plat/pc86/descr => plat/rpi/descr
2013-05-17 00:03:38 +01:00
parent e5f6d5acfa
commit 32ebc502c8
42 changed files with 3355 additions and 0 deletions
--- a/plat/rpi/include/ack/config.h
+++ b/plat/rpi/include/ack/config.h
@@ -0,0 +1,11 @@
+/*
+ * Raspberry Pi support library for the ACK
+ * © 2013 David Given
+ * This file is redistributable under the terms of the 3-clause BSD license.
+ * See the file 'Copying' in the root of the distribution for the full text.
+ */
+
+#ifndef _ACK_CONFIG_H
+#define _ACK_CONFIG_H
+
+#endif
--- a/plat/rpi/include/unistd.h
+++ b/plat/rpi/include/unistd.h
@@ -0,0 +1,73 @@
+/*
+ * Raspberry Pi support library for the ACK
+ * © 2013 David Given
+ * This file is redistributable under the terms of the 3-clause BSD license.
+ * See the file 'Copying' in the root of the distribution for the full text.
+ */
+
+#ifndef _UNISTD_H
+#define _UNISTD_H
+
+#include <stddef.h>
+
+/* Types */
+
+typedef int pid_t;
+typedef int mode_t;
+
+/* Constants for file access (open and friends) */
+
+enum
+{
+	O_ACCMODE = 0x3,
+	
+	O_RDONLY = 0,
+	O_WRONLY = 1,
+	O_RDWR = 2,
+	
+	O_CREAT = 0100,
+	O_TRUNC = 01000,
+	O_APPEND = 02000,
+	O_NONBLOCK = 04000
+};
+
+/* Special variables */
+
+extern char** environ;
+
+/* Implemented system calls */
+
+extern void _exit(int);
+extern pid_t getpid(void);
+extern void* sbrk(intptr_t increment);
+extern int isatty(int d);
+extern off_t lseek(int fildes, off_t offset, int whence);
+extern int close(int d);
+extern int open(const char* path, int access, ...);
+extern int creat(const char* path, mode_t mode);
+extern int read(int fd, void* buffer, size_t count);
+extern int write(int fd, void* buffer, size_t count);
+
+/* Unimplemented system calls (these are just prototypes to let the library
+ * compile). */
+
+extern int fcntl(int fd, int op, ...);
+
+/* Signal handling */
+
+typedef int sig_atomic_t;
+
+#define SIG_ERR ((sighandler_t) -1)           /* Error return.  */
+#define SIG_DFL ((sighandler_t) 0)            /* Default action.  */
+#define SIG_IGN ((sighandler_t) 1)            /* Ignore signal.  */
+
+#define SIGABRT         6       /* Abort (ANSI) */
+#define SIGILL          11      /* Illegal instruction */
+
+#define _NSIG           32      /* Biggest signal number + 1
+                                   (not including real-time signals).  */
+typedef void (*sighandler_t)(int);
+extern sighandler_t signal(int signum, sighandler_t handler);
+extern int raise(int signum);
+
+#endif