diff options
| author | Michal Idziorek <m.i@gmx.at> | 2014-11-23 15:45:31 +0100 |
|---|---|---|
| committer | Michal Idziorek <m.i@gmx.at> | 2014-11-23 15:45:31 +0100 |
| commit | 1d472bb0439a83191fcda5e7a778ff0f28a0b6e5 (patch) | |
| tree | a2ef44129eddacc496f899e4fb6a9e85ce7d35ed /userspace | |
| parent | 6a3ef39feb635f529da9e36975ba77a26c1ff3b4 (diff) | |
adjusting syscalls
Diffstat (limited to 'userspace')
| -rw-r--r-- | userspace/sys/Makefile | 22 | ||||
| -rw-r--r-- | userspace/sys/sys.c | 26 | ||||
| -rw-r--r-- | userspace/sys/syscalls.c | 15 |
3 files changed, 49 insertions, 14 deletions
diff --git a/userspace/sys/Makefile b/userspace/sys/Makefile index 7dde55a..374d490 100644 --- a/userspace/sys/Makefile +++ b/userspace/sys/Makefile @@ -1,3 +1,25 @@ CC=i686-foolos-gcc +CFLAGS=-I../.. +CFLAGS+=-w + + +OBJECTS=sys.o syscalls.o crt0.o +all: $(OBJECTS) + +library_install: all + mkdir temp + mv *.o temp + cp /home/miguel/temp/sysroot/usr/lib/libc.a . + ar x libc.a + rm libc.a + cp temp/sys*.o . + ar rs libc.a *.o + mv libc.a /home/miguel/temp/sysroot/usr/lib/libc.a + cp temp/*.o . + rm temp -rf + +crt_install: all + cp crt0.o /home/miguel/temp/sysroot/usr/lib/ + clean: -rm *.o diff --git a/userspace/sys/sys.c b/userspace/sys/sys.c index ecdf556..ef0d1df 100644 --- a/userspace/sys/sys.c +++ b/userspace/sys/sys.c @@ -3,53 +3,61 @@ #include <sys/stat.h> -// building binutils required this stubs! +// required by binutils! long sysconf(int name) { + printf("SYSCONF CALLED WITH : %s",name); return 0; } +// set file mode creation mask mode_t umask(mode_t mask) { return mask; } +// chmod int chmod(const char * path, mode_t mode) { - return 0; -} - -int fcntl(int fd, int cmd, ...) -{ return -1; } -int lstat(const char *path, struct stat *buf) +// manipulating file descriptor +int fcntl(int fd, int cmd, ...) { return -1; } +// working directory char *getwd(char *buf) { + static char wd[]="/"; + buf=wd; return buf; } + +// check if access allowed int access(const char *pathname, int mode) { + //TODO: at leas check if this file exists! return 0; } +// update time int utime(const char *filename, const int *x) { - return 0; + return -1; } +// rmdir int rmdir (const char *pathname) { return -1; } +// chonw int chown(const char *path, uid_t owner, gid_t group) { - return 0; + return -1; } diff --git a/userspace/sys/syscalls.c b/userspace/sys/syscalls.c index 51436fb..314492f 100644 --- a/userspace/sys/syscalls.c +++ b/userspace/sys/syscalls.c @@ -1,4 +1,4 @@ -#include "../kernel/syscalls.h" +#include "kernel/syscalls.h" /* char *__env3[]={0}; @@ -43,10 +43,6 @@ int close(int file) return syscall(SYSCALL_CLOSE,file,0,0); } -int fstat(int file, struct stat *st) -{ - return syscall(SYSCALL_FSTAT,file,st,0); -} int isatty(int file) { @@ -120,6 +116,15 @@ int stat(const char *file, struct stat *st) return syscall(SYSCALL_STAT,file,st,0); } +int ltat(const char *file, struct stat *st) +{ + return syscall(SYSCALL_LSTAT,file,st,0); +} + +int fstat(int file, struct stat *st) +{ + return syscall(SYSCALL_FSTAT,file,st,0); +} int times(struct tms *buf) { return syscall(SYSCALL_TIMES,buf,0,0); |
