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authorAndrew Waterman <waterman@s141.Millennium.Berkeley.EDU>2011-06-19 20:37:58 -0700
committerAndrew Waterman <waterman@s141.Millennium.Berkeley.EDU>2011-06-19 20:37:58 -0700
commite63e4fbe8794c68e1ad846a36e33cba62e801b34 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /pk/syscall.c
parent13c751687d01dc59bfd3e0913cecadf17f025caa (diff)
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Renamed packages
Diffstat (limited to 'pk/syscall.c')
-rw-r--r--pk/syscall.c124
1 files changed, 0 insertions, 124 deletions
diff --git a/pk/syscall.c b/pk/syscall.c
deleted file mode 100644
index 85c853b..0000000
--- a/pk/syscall.c
+++ /dev/null
@@ -1,124 +0,0 @@
-#include <machine/syscall.h>
-#include <string.h>
-#include <errno.h>
-#include "pk.h"
-#include "pcr.h"
-#include "file.h"
-#include "frontend.h"
-
-typedef sysret_t (*syscall_t)(long,long,long,long,long);
-
-void sys_exit(int code)
-{
- frontend_syscall(SYS_exit,code,0,0,0);
- panic("exit didn't exit!");
-}
-
-sysret_t sys_read(int fd, char* buf, size_t n)
-{
- sysret_t r = {-1,EBADF};
- file_t* f = file_get(fd);
- if(!f)
- return r;
-
- return file_read(f,buf,n);
-}
-
-sysret_t sys_write(int fd, const char* buf, size_t n)
-{
- sysret_t r = {-1,EBADF};
- file_t* f = file_get(fd);
- if(!f)
- return r;
-
- return file_write(f,buf,n);
-}
-
-sysret_t sys_open(const char* name, size_t len, int flags, int mode)
-{
- sysret_t ret = file_open(name, len, flags, mode);
- if(ret.result == -1)
- return ret;
-
- if((ret.result = file_dup((file_t*)ret.result)) == -1)
- ret.err = ENOMEM;
-
- return ret;
-}
-
-sysret_t sys_close(int fd)
-{
- return (sysret_t){fd_close(fd),EBADF};
-}
-
-sysret_t sys_fstat(int fd, void* st)
-{
- sysret_t r = {-1,EBADF};
- file_t* f = file_get(fd);
- if(!f)
- return r;
-
- return file_stat(f,st);
-}
-
-sysret_t sys_lseek(int fd, size_t ptr, int dir)
-{
- sysret_t r = {-1,EBADF};
- file_t* f = file_get(fd);
- if(!f)
- return r;
-
- return file_lseek(f,ptr,dir);
-}
-
-sysret_t sys_stat(const char* name, size_t len, void* st)
-{
- return frontend_syscall(SYS_stat,(long)name,len,(long)st,0);
-}
-
-sysret_t sys_lstat(const char* name, size_t len, void* st)
-{
- return frontend_syscall(SYS_lstat,(long)name,len,(long)st,0);
-}
-
-sysret_t sys_link(const char* old_name, size_t old_len,
- const char* new_name, size_t new_len)
-{
- return frontend_syscall(SYS_link,(long)old_name,old_len,
- (long)new_name,new_len);
-}
-
-sysret_t sys_unlink(const char* name, size_t len)
-{
- return frontend_syscall(SYS_unlink,(long)name,len,0,0);
-}
-
-sysret_t sys_brk(size_t pos)
-{
- if(pos > (mfpcr(PCR_MEMSIZE) << MEMSIZE_SHIFT))
- return (sysret_t){-1, ENOMEM};
- return (sysret_t){0,0};
-}
-
-sysret_t syscall(long a0, long a1, long a2, long a3, long n)
-{
- const static void* syscall_table[] = {
- [SYS_exit] = sys_exit,
- [SYS_read] = sys_read,
- [SYS_write] = sys_write,
- [SYS_open] = sys_open,
- [SYS_close] = sys_close,
- [SYS_fstat] = sys_fstat,
- [SYS_lseek] = sys_lseek,
- [SYS_stat] = sys_stat,
- [SYS_lstat] = sys_lstat,
- [SYS_link] = sys_link,
- [SYS_unlink] = sys_unlink,
- [SYS_brk] = sys_brk,
- };
-
- if(n >= ARRAY_SIZE(syscall_table) || !syscall_table[n])
- panic("bad syscall #%ld!",n);
-
- return ((syscall_t)syscall_table[n])(a0, a1, a2, a3, n);
-}