d/metal-cos
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Plumbing thread related system calls into user-level

Browse Source
This commit is contained in:
Ali Mashtizadeh 2015-01-14 14:57:47 -08:00
parent 156e25fcc5
commit 858f3cff69
4 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/syscall.h
View File

@ -26,7 +26,10 @@ int OSStat(const char *path, struct stat *sb);
int OSReadDir(uint64_t fd, char *buf, size_t length, uint64_t *offset);
// Threads
int OSThreadCreate(uint64_t rip);
int OSThreadExit(uint64_t status);
int OSThreadSleep(uint64_t time);
int OSThreadWait(uint64_t tid);
#endif /* __SYSCALL_H__ */

18
lib/libc/syscall.c
View File

@ -91,9 +91,27 @@ OSReadDir(uint64_t fd, char *buf, size_t length, uint64_t *offset)
return syscall(SYSCALL_READDIR, fd, buf, length, offset);
}
int
OSThreadCreate(uint64_t rip)
{
return syscall(SYSCALL_THREADCREATE, rip);
}
int
OSThreadExit(uint64_t status)
{
return syscall(SYSCALL_THREADEXIT, status);
}
int
OSThreadSleep(uint64_t time)
{
return syscall(SYSCALL_THREADSLEEP, time);
}
int
OSThreadWait(uint64_t tid)
{
return syscall(SYSCALL_THREADWAIT, tid);
}

1
sys/include/syscall.h
View File

@ -31,6 +31,7 @@
#define SYSCALL_THREADCREATE 0x30
#define SYSCALL_THREADEXIT 0x31
#define SYSCALL_THREADSLEEP 0x32
#define SYSCALL_THREADWAIT 0x33
// Network
#define SYSCALL_SOCKET 0x40

10
sys/kern/syscall.c
View File

@ -320,6 +320,14 @@ Syscall_ThreadSleep(uint64_t time)
return 0;
}
uint64_t
Syscall_ThreadWait(uint64_t tid)
{
// XXX: Support waiting
return 0;
}
uint64_t
Syscall_Entry(uint64_t syscall, uint64_t a1, uint64_t a2,
uint64_t a3, uint64_t a4, uint64_t a5)
@ -364,6 +372,8 @@ Syscall_Entry(uint64_t syscall, uint64_t a1, uint64_t a2,
return 0;
case SYSCALL_THREADSLEEP:
return Syscall_ThreadSleep(a1);
case SYSCALL_THREADWAIT:
return Syscall_ThreadWait(a1);
default:
return (uint64_t)-1;
}