From 5b7f7988afbc2940d82f7f3cc7a57ae24a175d79 Mon Sep 17 00:00:00 2001
From: David Schleef <ds@schleef.org>
Date: Fri, 25 May 2001 23:23:41 +0000
Subject: Added powerpc-specific mmap syscall, 'cause we're special.
---
libc/sysdeps/linux/powerpc/Makefile | 2 +-
libc/sysdeps/linux/powerpc/_mmap.c | 41 +++++++++++++++++++++++++++++++
libc/sysdeps/linux/powerpc/bits/termios.h | 5 ++--
libc/sysdeps/linux/powerpc/bits/types.h | 6 ++---
4 files changed, 48 insertions(+), 6 deletions(-)
create mode 100644 libc/sysdeps/linux/powerpc/_mmap.c
(limited to 'libc')
diff --git a/libc/sysdeps/linux/powerpc/Makefile b/libc/sysdeps/linux/powerpc/Makefile
index b34b6c27a..09caa560e 100644
--- a/libc/sysdeps/linux/powerpc/Makefile
+++ b/libc/sysdeps/linux/powerpc/Makefile
@@ -39,7 +39,7 @@ endif
SSRC=longjmp.S setjmp.S vfork.S
SOBJS=$(patsubst %.S,%.o, $(SSRC))
-CSRC=
+CSRC=_mmap.c
COBJS=$(patsubst %.c,%.o, $(CSRC))
OBJS=$(SOBJS) $(MOBJ) $(COBJS)
diff --git a/libc/sysdeps/linux/powerpc/_mmap.c b/libc/sysdeps/linux/powerpc/_mmap.c
new file mode 100644
index 000000000..aec5524ef
--- /dev/null
+++ b/libc/sysdeps/linux/powerpc/_mmap.c
@@ -0,0 +1,41 @@
+
+#include <unistd.h>
+#include <sys/mman.h>
+
+
+void * mmap(void *start, size_t length, int prot, int flags, int fd,
+ off_t offset)
+{
+ unsigned long __sc_ret, __sc_err;
+ register unsigned long __sc_0 __asm__ ("r0");
+ register unsigned long __sc_3 __asm__ ("r3");
+ register unsigned long __sc_4 __asm__ ("r4");
+ register unsigned long __sc_5 __asm__ ("r5");
+ register unsigned long __sc_6 __asm__ ("r6");
+ register unsigned long __sc_7 __asm__ ("r7");
+ register unsigned long __sc_8 __asm__ ("r8");
+
+ __sc_3 = (unsigned long) start;
+ __sc_4 = (unsigned long) length;
+ __sc_5 = (unsigned long) prot;
+ __sc_6 = (unsigned long) flags;
+ __sc_7 = (unsigned long) fd;
+ __sc_8 = (unsigned long) offset;
+ __sc_0 = __NR_mmap;
+ __asm__ __volatile__
+ ("sc \n\t"
+ "mfcr %1 "
+ : "=&r" (__sc_3), "=&r" (__sc_0)
+ : "0" (__sc_3), "1" (__sc_0),
+ "r" (__sc_4),
+ "r" (__sc_5),
+ "r" (__sc_6),
+ "r" (__sc_7),
+ "r" (__sc_8)
+ : __syscall_clobbers);
+ __sc_ret = __sc_3;
+ __sc_err = __sc_0;
+
+ __syscall_return (void *);
+}
+
diff --git a/libc/sysdeps/linux/powerpc/bits/termios.h b/libc/sysdeps/linux/powerpc/bits/termios.h
index a5ba1d258..adaeb642d 100644
--- a/libc/sysdeps/linux/powerpc/bits/termios.h
+++ b/libc/sysdeps/linux/powerpc/bits/termios.h
@@ -25,15 +25,16 @@ typedef unsigned char cc_t;
typedef unsigned int speed_t;
typedef unsigned int tcflag_t;
-#define NCCS 32
+/* note: this is fixed to be the same as the kernel, not glibc */
+#define NCCS 19
struct termios
{
tcflag_t c_iflag; /* input mode flags */
tcflag_t c_oflag; /* output mode flags */
tcflag_t c_cflag; /* control mode flags */
tcflag_t c_lflag; /* local mode flags */
- cc_t c_line; /* line discipline */
cc_t c_cc[NCCS]; /* control characters */
+ cc_t c_line; /* line discipline */
speed_t c_ispeed; /* input speed */
speed_t c_ospeed; /* output speed */
};
diff --git a/libc/sysdeps/linux/powerpc/bits/types.h b/libc/sysdeps/linux/powerpc/bits/types.h
index 2b6504d91..65160c25c 100644
--- a/libc/sysdeps/linux/powerpc/bits/types.h
+++ b/libc/sysdeps/linux/powerpc/bits/types.h
@@ -58,12 +58,12 @@ __extension__ typedef unsigned long long int __uint64_t;
#endif
typedef __quad_t *__qaddr_t;
-typedef __u_quad_t __dev_t; /* Type of device numbers. */
+typedef __u_int __dev_t; /* Type of device numbers. */
typedef __u_int __uid_t; /* Type of user identifications. */
typedef __u_int __gid_t; /* Type of group identifications. */
-typedef __u_long __ino_t; /* Type of file serial numbers. */
+typedef __u_int __ino_t; /* Type of file serial numbers. */
typedef __u_int __mode_t; /* Type of file attribute bitmasks. */
-typedef __u_int __nlink_t; /* Type of file link counts. */
+typedef __u_short __nlink_t; /* Type of file link counts. */
typedef long int __off_t; /* Type of file sizes and offsets. */
typedef __quad_t __loff_t; /* Type of file sizes and offsets. */
typedef int __pid_t; /* Type of process identifications. */
--
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