diff options
Diffstat (limited to 'libgloss/arm/redboot-syscalls.c')
| -rw-r--r-- | libgloss/arm/redboot-syscalls.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/libgloss/arm/redboot-syscalls.c b/libgloss/arm/redboot-syscalls.c deleted file mode 100644 index 3b5a02b27..000000000 --- a/libgloss/arm/redboot-syscalls.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - * redboot-syscalls.c -- provide system call support for RedBoot - * - * Copyright (c) 1997, 2001, 2002 Red Hat, Inc. - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - * - */ - -#include <stdlib.h> -#include <sys/stat.h> -#include <sys/times.h> -#include <errno.h> -#include "syscall.h" - -// Use "naked" attribute to suppress C prologue/epilogue -static int __attribute__ ((naked)) __syscall(int func_no, ...) -{ - asm ("mov r12, lr\n"); -#ifdef __thumb__ - asm ("swi 0x18\n"); -#else - asm ("swi 0x180001\n"); -#endif - asm ("mov pc, r12\n"); -} - -int -_close(int fd) -{ - int err; - err = __syscall(SYS_close, fd); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -void -_exit(int stat) -{ - while (1) - __syscall(SYS_exit, stat); -} - - -int -_stat (const char *filename, struct stat *st) -{ - int err; - err = __syscall(SYS_stat, filename, st); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - -int -_fstat (int file, struct stat *st) -{ - int err; - err = __syscall(SYS_fstat, file, st); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - -int -_getpid(void) -{ - return 1; -} - - -int -_gettimeofday (void * tp, void * tzp) -{ - int err; - err = __syscall(SYS_gettimeofday, tp, tzp); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -int -isatty(int fd) -{ - int err; - err = __syscall(SYS_isatty, fd); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -int -_kill(int pid, int sig) -{ - if(pid == 1) - _exit(sig); - return 0; -} - - -off_t -_lseek(int fd, off_t offset, int whence) -{ - int err; - err = __syscall(SYS_lseek, fd, offset, whence); - if (err<0) - { - errno = -err; - return (off_t)-1; - } - return err; -} - - -int -_open(const char *buf, int flags, int mode) -{ - int err ; - err = __syscall(SYS_open, buf, flags, mode); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -int -_write(int fd, const char *buf, int nbytes) -{ - int err; - - err = __syscall(SYS_write, fd, buf, nbytes); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -void -print(char *ptr) -{ - char *p = ptr; - - while (*p != '\0') - p++; - - _write (1, ptr, p-ptr); -} - -void -_raise (void) -{ - return; -} - - -int -_read(int fd, char *buf, int nbytes) -{ - int err; - err = __syscall(SYS_read, fd, buf, nbytes); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -extern char end[]; /* end is set in the linker command file */ - -char *heap_ptr; - -char * -_sbrk (int nbytes) -{ - char *base; - - if (!heap_ptr) - heap_ptr = (char *)&end; - base = heap_ptr; - heap_ptr += nbytes; - - return base; -} - - -clock_t -_times(struct tms * tp) -{ - clock_t utime; - int err; - err = __syscall(SYS_times, &utime); - if (err) - utime = 0; - - if (tp) { - tp->tms_utime = utime; - tp->tms_stime = 0; - tp->tms_cutime = 0; - tp->tms_cstime = 0; - } - - return utime; -} - -int -_rename (const char *oldpath, const char *newpath) -{ - int err ; - err = __syscall(SYS_rename, oldpath, newpath); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - -int -_unlink (const char *pathname) -{ - int err ; - err = __syscall(SYS_unlink, pathname); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - -int -_system (const char *command) -{ - int err ; - err = __syscall(SYS_system, command); - return err; -} - -#define SYS_meminfo 1001 - -void * -__get_memtop(void) -{ - unsigned long totmem = 0, topmem = 0; - int numbanks; - - __syscall(SYS_meminfo, (unsigned long)&totmem, (unsigned long)&topmem, 0); - return (void*)topmem; -} |