Initial commit

include/l4/api/errno.h

@@ -0,0 +1,169 @@
+#ifndef __ERRNO_H__
+#define __ERRNO_H__
+
+/*
+ * LICENSE:
+ * Taken from linux errno.h
+ */
+
+#define	EPERM		 1	/* Operation not permitted */
+#define	ENOENT		 2	/* No such file or directory */
+#define	ESRCH		 3	/* No such process */
+#define	EINTR		 4	/* Interrupted system call */
+#define	EIO		 5	/* I/O error */
+#define	ENXIO		 6	/* No such device or address */
+#define	E2BIG		 7	/* Argument list too long */
+#define	ENOEXEC		 8	/* Exec format error */
+#define	EBADF		 9	/* Bad file number */
+#define	ECHILD		10	/* No child processes */
+#define	EAGAIN		11	/* Try again */
+#define	ENOMEM		12	/* Out of memory */
+#define	EACCES		13	/* Permission denied */
+#define	EFAULT		14	/* Bad address */
+#define	ENOTBLK		15	/* Block device required */
+#define	EBUSY		16	/* Device or resource busy */
+#define	EEXIST		17	/* File exists */
+#define	EXDEV		18	/* Cross-device link */
+#define	ENODEV		19	/* No such device */
+#define	ENOTDIR		20	/* Not a directory */
+#define	EISDIR		21	/* Is a directory */
+#define	EINVAL		22	/* Invalid argument */
+#define	ENFILE		23	/* File table overflow */
+#define	EMFILE		24	/* Too many open files */
+#define	ENOTTY		25	/* Not a typewriter */
+#define	ETXTBSY		26	/* Text file busy */
+#define	EFBIG		27	/* File too large */
+#define	ENOSPC		28	/* No space left on device */
+#define	ESPIPE		29	/* Illegal seek */
+#define	EROFS		30	/* Read-only file system */
+#define	EMLINK		31	/* Too many links */
+#define	EPIPE		32	/* Broken pipe */
+#define	EDOM		33	/* Math argument out of domain of func */
+#define	ERANGE		34	/* Math result not representable */
+
+#define	EDEADLK		35	/* Resource deadlock would occur */
+#define	ENAMETOOLONG	36	/* File name too long */
+#define	ENOLCK		37	/* No record locks available */
+#define	ENOSYS		38	/* Function not implemented */
+#define	ENOTEMPTY	39	/* Directory not empty */
+#define	ELOOP		40	/* Too many symbolic links encountered */
+#define	EWOULDBLOCK	EAGAIN	/* Operation would block */
+#define	ENOMSG		42	/* No message of desired type */
+#define	EIDRM		43	/* Identifier removed */
+#define	ECHRNG		44	/* Channel number out of range */
+#define	EL2NSYNC	45	/* Level 2 not synchronized */
+#define	EL3HLT		46	/* Level 3 halted */
+#define	EL3RST		47	/* Level 3 reset */
+#define	ELNRNG		48	/* Link number out of range */
+#define	EUNATCH		49	/* Protocol driver not attached */
+#define	ENOCSI		50	/* No CSI structure available */
+#define	EL2HLT		51	/* Level 2 halted */
+#define	EBADE		52	/* Invalid exchange */
+#define	EBADR		53	/* Invalid request descriptor */
+#define	EXFULL		54	/* Exchange full */
+#define	ENOANO		55	/* No anode */
+#define	EBADRQC		56	/* Invalid request code */
+#define	EBADSLT		57	/* Invalid slot */
+
+#define	EDEADLOCK	EDEADLK
+
+#define	EBFONT		59	/* Bad font file format */
+#define	ENOSTR		60	/* Device not a stream */
+#define	ENODATA		61	/* No data available */
+#define	ETIME		62	/* Timer expired */
+#define	ENOSR		63	/* Out of streams resources */
+#define	ENONET		64	/* Machine is not on the network */
+#define	ENOPKG		65	/* Package not installed */
+#define	EREMOTE		66	/* Object is remote */
+#define	ENOLINK		67	/* Link has been severed */
+#define	EADV		68	/* Advertise error */
+#define	ESRMNT		69	/* Srmount error */
+#define	ECOMM		70	/* Communication error on send */
+#define	EPROTO		71	/* Protocol error */
+#define	EMULTIHOP	72	/* Multihop attempted */
+#define	EDOTDOT		73	/* RFS specific error */
+#define	EBADMSG		74	/* Not a data message */
+#define	EOVERFLOW	75	/* Value too large for defined data type */
+#define	ENOTUNIQ	76	/* Name not unique on network */
+#define	EBADFD		77	/* File descriptor in bad state */
+#define	EREMCHG		78	/* Remote address changed */
+#define	ELIBACC		79	/* Can not access a needed shared library */
+#define	ELIBBAD		80	/* Accessing a corrupted shared library */
+#define	ELIBSCN		81	/* .lib section in a.out corrupted */
+#define	ELIBMAX		82	/* Attempting to link in too many shared libraries */
+#define	ELIBEXEC	83	/* Cannot exec a shared library directly */
+#define	EILSEQ		84	/* Illegal byte sequence */
+#define	ERESTART	85	/* Interrupted system call should be restarted */
+#define	ESTRPIPE	86	/* Streams pipe error */
+#define	EUSERS		87	/* Too many users */
+#define	ENOTSOCK	88	/* Socket operation on non-socket */
+#define	EDESTADDRREQ	89	/* Destination address required */
+#define	EMSGSIZE	90	/* Message too long */
+#define	EPROTOTYPE	91	/* Protocol wrong type for socket */
+#define	ENOPROTOOPT	92	/* Protocol not available */
+#define	EPROTONOSUPPORT	93	/* Protocol not supported */
+#define	ESOCKTNOSUPPORT	94	/* Socket type not supported */
+#define	EOPNOTSUPP	95	/* Operation not supported on transport endpoint */
+#define	EPFNOSUPPORT	96	/* Protocol family not supported */
+#define	EAFNOSUPPORT	97	/* Address family not supported by protocol */
+#define	EADDRINUSE	98	/* Address already in use */
+#define	EADDRNOTAVAIL	99	/* Cannot assign requested address */
+#define	ENETDOWN	100	/* Network is down */
+#define	ENETUNREACH	101	/* Network is unreachable */
+#define	ENETRESET	102	/* Network dropped connection because of reset */
+#define	ECONNABORTED	103	/* Software caused connection abort */
+#define	ECONNRESET	104	/* Connection reset by peer */
+#define	ENOBUFS		105	/* No buffer space available */
+#define	EISCONN		106	/* Transport endpoint is already connected */
+#define	ENOTCONN	107	/* Transport endpoint is not connected */
+#define	ESHUTDOWN	108	/* Cannot send after transport endpoint shutdown */
+#define	ETOOMANYREFS	109	/* Too many references: cannot splice */
+#define	ETIMEDOUT	110	/* Connection timed out */
+#define	ECONNREFUSED	111	/* Connection refused */
+#define	EHOSTDOWN	112	/* Host is down */
+#define	EHOSTUNREACH	113	/* No route to host */
+#define	EALREADY	114	/* Operation already in progress */
+#define	EINPROGRESS	115	/* Operation now in progress */
+#define	ESTALE		116	/* Stale NFS file handle */
+#define	EUCLEAN		117	/* Structure needs cleaning */
+#define	ENOTNAM		118	/* Not a XENIX named type file */
+#define	ENAVAIL		119	/* No XENIX semaphores available */
+#define	EISNAM		120	/* Is a named type file */
+#define	EREMOTEIO	121	/* Remote I/O error */
+#define	EDQUOT		122	/* Quota exceeded */
+
+#define	ENOMEDIUM	123	/* No medium found */
+#define	EMEDIUMTYPE	124	/* Wrong medium type */
+#define	ECANCELED	125	/* Operation Canceled */
+#define	ENOKEY		126	/* Required key not available */
+#define	EKEYEXPIRED	127	/* Key has expired */
+#define	EKEYREVOKED	128	/* Key has been revoked */
+#define	EKEYREJECTED	129	/* Key was rejected by service */
+
+/* for robust mutexes */
+#define	EOWNERDEAD	130	/* Owner died */
+#define	ENOTRECOVERABLE	131	/* State not recoverable */
+
+#ifdef __KERNEL__
+
+/* Should never be seen by user programs */
+#define ERESTARTSYS	512
+#define ERESTARTNOINTR	513
+#define ERESTARTNOHAND	514	/* restart if no handler.. */
+#define ENOIOCTLCMD	515	/* No ioctl command */
+#define ERESTART_RESTARTBLOCK 516 /* restart by calling sys_restart_syscall */
+
+/* Defined for the NFSv3 protocol */
+#define EBADHANDLE	521	/* Illegal NFS file handle */
+#define ENOTSYNC	522	/* Update synchronization mismatch */
+#define EBADCOOKIE	523	/* Cookie is stale */
+#define ENOTSUPP	524	/* Operation is not supported */
+#define ETOOSMALL	525	/* Buffer or request is too small */
+#define ESERVERFAULT	526	/* An untranslatable error occurred */
+#define EBADTYPE	527	/* Type not supported by server */
+#define EJUKEBOX	528	/* Request initiated, but will not complete before timeout */
+#define EIOCBQUEUED	529	/* iocb queued, will get completion event */
+#define EIOCBRETRY	530	/* iocb queued, will trigger a retry */
+
+#endif /* __KERNEL__ */
+#endif /* __ERRNO_H__ */

include/l4/api/ipc.h

@@ -0,0 +1,29 @@
+#ifndef __IPC_H__
+#define __IPC_H__
+
+
+#define L4_NILTHREAD		-1
+#define L4_ANYTHREAD		-2
+
+#define L4_IPC_TAG_MR_OFFSET		0
+
+
+/* To synchronise two threads */
+#define L4_IPC_TAG_WAIT			0
+
+/* Pagefault */
+#define L4_IPC_TAG_PFAULT		2
+
+#if defined (__KERNEL__) /* These are kernel internal calls */
+/* A helper call for sys_ipc() or internally created ipc paths. */
+int ipc_send(l4id_t tid);
+
+/*
+ * This version sends an extra wait ipc to its receiver so that
+ * the receiver can explicitly make it runnable later by accepting
+ * this wait ipc.
+ */
+int ipc_sendwait(l4id_t tid);
+#endif
+
+#endif /* __IPC_H__ */

include/l4/api/kip.h

@@ -0,0 +1,98 @@
+/*
+ * Kernel Interface Page
+ *
+ * Copyright (C) 2007 Bahadir Balban
+ */
+
+#ifndef __KIP_H__
+#define __KIP_H__
+
+/* FIXME: LICENCE: Taken from a forum post. Must reimplement with GPL terms */
+#define __YEAR__ ((((__DATE__ [7] - '0') * 10 + (__DATE__ [8] - '0')) * 10 \
+			+ (__DATE__ [9] - '0')) * 10 + (__DATE__ [10] - '0'))
+
+#define __MONTH__ (__DATE__ [2] == 'n' ? (__DATE__ [1] == 'a' ? 0 : 5) \
+		: __DATE__ [2] == 'b' ? 1 \
+		: __DATE__ [2] == 'r' ? (__DATE__ [0] == 'M' ? 2 : 3) \
+		: __DATE__ [2] == 'y' ? 4 \
+		: __DATE__ [2] == 'l' ? 6 \
+		: __DATE__ [2] == 'g' ? 7 \
+		: __DATE__ [2] == 'p' ? 8 \
+		: __DATE__ [2] == 't' ? 9 \
+		: __DATE__ [2] == 'v' ? 10 : 11)
+
+#define __DAY__ ((__DATE__ [4] == ' ' ? 0 : __DATE__ [4] - '0') * 10 \
+		+ (__DATE__ [5] - '0'))
+
+//#define DATE_AS_INT (((YEAR - 2000) * 12 + MONTH) * 31 + DAY)
+
+
+struct kernel_desc {
+	u16 rsrv;
+	u8 subid;
+	u8 id;
+	u16 gendate;
+	u16 date_rsrv;
+	u16 subsubver;
+	u8 subver;
+	u8 ver;
+	u32 supplier;
+} __attribute__((__packed__));
+
+/* Experimental KIP with non-standard offsets */
+struct kip {
+	/* System descriptions */
+	u32 magic;
+	u16 version_rsrv;
+	u8  api_subversion;
+	u8  api_version;
+	u32 api_flags;
+
+	u32 kmem_reclaim;
+	u32 kmem_grant;
+
+	u32 space_control;
+	u32 thread_control;
+	u32 ipc_control;
+	u32 map;
+	u32 ipc;
+	u32 kread;
+	u32 unmap;
+	u32 exchange_registers;
+	u32 thread_switch;
+	u32 schedule;
+	u32 getid;
+
+	u32 arch_syscall0;
+	u32 arch_syscall1;
+	u32 arch_syscall2;
+	u32 arch_syscall3;
+
+	struct kernel_desc kdesc;
+} __attribute__((__packed__));
+
+/*
+ * Task id defs for priviledged server tasks. These are dynamically allocated
+ * from the id pool, but still the pool should allocate them in this order.
+ */
+#define PAGER_TID			0
+#define VFS_TID				1
+#define BLKDEV_TID			2
+#define KERNEL_TID			3
+#define MAX_PREDEFINED_TID		KERNEL_TID
+#define MIN_PREDEFINED_TID		0
+
+#define __PAGERNAME__			"mm0"
+#define __KERNELNAME__			"code0"
+#define __VFSNAME__			"fs0"
+#define __BLKDEVNAME__			"blkdev0"
+
+#define KDATA_PAGE_MAP			0
+#define KDATA_BOOTDESC			1
+#define KDATA_BOOTDESC_SIZE		2
+
+#if defined (__KERNEL__)
+extern struct kip kip;
+#endif /* __KERNEL__ */
+
+#endif /* __KIP_H__ */

include/l4/api/space.h

@@ -0,0 +1,18 @@
+#ifndef __API_SPACE_H__
+#define __API_SPACE_H__
+
+
+enum space_control_opcode {
+	SPCCTRL_SHM = 0
+};
+
+#if 0
+struct shm_kdata {
+	l4id_t creator;
+	unsigned long npages;
+	unsigned long server_pfn;
+	unsigned long client_pfn;
+};
+#endif
+
+#endif /* __API_SPACE_H__ */

include/l4/api/syscall.h

@@ -0,0 +1,43 @@
+/*
+ * Syscall offsets in the syscall page.
+ *
+ * Copyright (C) 2007 Bahadir Balban
+ */
+#ifndef __SYSCALL_H__
+#define __SYSCALL_H__
+
+#include INC_GLUE(syscall.h)
+
+#define syscall_offset_mask			0xFF
+
+#define	sys_ipc_offset				0x0
+#define sys_thread_switch_offset		0x4
+#define sys_thread_control_offset		0x8
+#define sys_exchange_registers_offset		0xC
+#define sys_schedule_offset			0x10
+#define sys_unmap_offset			0x14
+#define sys_space_control_offset		0x18
+#define sys_ipc_control_offset			0x1C
+#define sys_map_offset				0x20
+#define sys_getid_offset			0x24
+#define sys_kread_offset			0x28
+#define sys_kmem_grant_offset			0x2C
+#define sys_kmem_reclaim_offset			0x30
+#define syscalls_end_offset			sys_kmem_reclaim_offset
+#define SYSCALLS_TOTAL				((syscalls_end_offset >> 2) + 1)
+
+int sys_ipc(struct syscall_args *);
+int sys_thread_switch(struct syscall_args *);
+int sys_thread_control(struct syscall_args *);
+int sys_exchange_registers(struct syscall_args *);
+int sys_schedule(struct syscall_args *);
+int sys_unmap(struct syscall_args *);
+int sys_space_control(struct syscall_args *);
+int sys_ipc_control(struct syscall_args *);
+int sys_map(struct syscall_args *);
+int sys_getid(struct syscall_args *);
+int sys_kread(struct syscall_args *);
+int sys_kmem_grant(struct syscall_args *);
+int sys_kmem_reclaim(struct syscall_args *);
+
+#endif /* __SYSCALL_H__ */

include/l4/api/thread.h

@@ -0,0 +1,9 @@
+#ifndef __THREAD_H__
+#define __THREAD_H__
+
+#define THREAD_CREATE		0
+#define THREAD_RUN		1
+#define THREAD_SUSPEND		2
+#define THREAD_RESUME		3
+
+#endif /* __THREAD_H__ */