6 files changed, 227 insertions, 0 deletions
diff --git a/src/common/include/proto/fb.h b/src/common/include/proto/fb.h
new file mode 100644
index 0000000..0519554
--- /dev/null
+++ b/src/common/include/proto/fb.h
@@ -0,0 +1,33 @@
+#pragma once
+
+// Framebuffer-related data structures
+
+#include <stdint.h>
+#include <stddef.h>
+
+#define FB_MM_RGB16		1		// 2 bytes (16 bits) per pixel, blue 0-4, green 5-9, red 10-14
+#define FB_MM_BGR16		2		// 2 bytes (16 bits) per pixel, red 0-4, green 5-9, blue 10-14
+#define FB_MM_RGB24		3		// 3 bytes (24 bits) per pixel, blue 0-7, green 8-15, red 16-23
+#define FB_MM_BGR24		4		// 3 bytes (24 bits) per pixel, red 0-7, green 8-15, blue 16-23
+#define FB_MM_RGB32		5		// 4 bytes (32 bits) per pixel, blue 0-7, green 8-15, red 16-23
+#define FB_MM_BGR32		6		// 4 bytes (32 bits) per pixel, red 0-7, green 8-15, blue 16-23
+#define FB_MM_GREY8		10		// 1 byte (8 bits) per pixel greyscale
+
+typedef struct {
+	uint32_t width, height;
+	uint32_t pitch;		// bytes per line
+	uint32_t bpp;
+	uint32_t memory_model;
+} framebuffer_info_t;
+
+typedef struct {
+	int mode_number;
+	framebuffer_info_t geom;
+} fbdev_mode_info_t;
+
+#define IOCTL_FBDEV_GET_MODE_INFO	10
+#define IOCTL_FBDEV_SET_MODE		11
+
+#define IOCTL_FB_GET_INFO			12
+
+/* vim: set ts=4 sw=4 tw=0 noet :*/
diff --git a/src/common/include/proto/fs.h b/src/common/include/proto/fs.h
new file mode 100644
index 0000000..e70ff55
--- /dev/null
+++ b/src/common/include/proto/fs.h
@@ -0,0 +1,62 @@
+#pragma once
+
+#include <stdint.h>
+#include <stddef.h>
+
+typedef int fd_t;
+
+#define FT_REGULAR      0 		// no flags = regular file
+#define FT_DIR 			(0x01)
+#define FT_DEV 			(0x02)
+#define FT_BLOCKDEV 	(0x04)
+#define FT_CHARDEV 		(0x08)
+#define FT_CHANNEL 		(0x10)		// dual-pipe
+#define FT_FRAMEBUFFER	(0x20)
+
+// FM_* enum describes modes for opening a file as well as authorized operations in stat_t
+// (some flags are used only for open() or only in stat_t.access)
+#define FM_READ 	(0x01)
+#define FM_WRITE 	(0x02)
+#define FM_READDIR 	(0x04)
+#define FM_MMAP 	(0x08)
+#define FM_CREATE   (0x10)
+#define FM_TRUNC    (0x20)
+#define FM_APPEND   (0x40)
+#define FM_IOCTL	(0x100)
+#define FM_BLOCKING	(0x200)
+#define FM_DCREATE	(0x1000)		// create file in directory
+#define FM_DMOVE	(0x2000)		// move file from directory
+#define FM_DDELETE	(0x4000)		// delete file from directory
+
+#define FM_ALL_MODES (0xFFFF)
+
+
+typedef struct {
+	int type;
+	int access;
+	size_t size;
+	// TODO : times & more metadata
+} stat_t;
+
+#define DIR_MAX 	128 	// maximum length for a filename
+
+typedef struct {
+	char name[DIR_MAX];
+	stat_t st;
+} dirent_t;
+
+
+#define IOCTL_BLOCKDEV_GET_BLOCK_SIZE   40
+#define IOCTL_BLOCKDEV_GET_BLOCK_COUNT  41
+
+
+#define SEL_READ	0x01
+#define	SEL_WRITE	0x02
+#define SEL_ERROR	0x04
+
+typedef struct {
+	fd_t fd;
+	uint16_t req_flags, got_flags;		// rq_flags : what caller is interested in
+} sel_fd_t;
+
+/* vim: set ts=4 sw=4 tw=0 noet :*/
diff --git a/src/common/include/proto/mmap.h b/src/common/include/proto/mmap.h
new file mode 100644
index 0000000..3134403
--- /dev/null
+++ b/src/common/include/proto/mmap.h
@@ -0,0 +1,7 @@
+#pragma once
+
+#define MM_READ			(0x01)
+#define MM_WRITE		(0x02)
+#define MM_EXEC			(0x04)
+
+/* vim: set ts=4 sw=4 tw=0 noet :*/
diff --git a/src/common/include/proto/proc.h b/src/common/include/proto/proc.h
new file mode 100644
index 0000000..29b5b91
--- /dev/null
+++ b/src/common/include/proto/proc.h
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <stddef.h>
+#include <stdint.h>
+
+typedef int pid_t;
+
+#define PS_LOADING	1
+#define PS_RUNNING  2
+#define PS_FINISHED	3
+#define PS_FAILURE	4	// exception or segfault or stuff
+#define PS_KILLED	5
+
+#define FAIL_EXCEPTION		1	// unhandled processor exception
+#define FAIL_ZEROPTR		2	// segfault at < 4k
+#define FAIL_SEGFAULT		3
+#define FAIL_SC_SEGFAULT	4	// failed to validate parameter for system call
+
+typedef struct {
+	int pid;
+	int status;				// one of PS_*
+	int exit_code;		// an error code if state == PS_FAILURE
+} proc_status_t;
+
+/* vim: set ts=4 sw=4 tw=0 noet :*/
diff --git a/src/common/include/proto/syscall.h b/src/common/include/proto/syscall.h
new file mode 100644
index 0000000..a671c65
--- /dev/null
+++ b/src/common/include/proto/syscall.h
@@ -0,0 +1,89 @@
+#pragma once
+
+#include <proto/proc.h>
+#include <proto/fs.h>
+
+typedef struct { fd_t a, b; } fd_pair_t;
+
+#define SC_MAX		128		// maximum number of syscalls
+
+#define SC_DBG_PRINT	0		// args: msg, msg_strlen
+#define SC_EXIT			1		// args: code
+#define SC_YIELD		2		// args: ()
+#define SC_USLEEP		3		// args: usecs
+#define SC_NEW_THREAD	4		// args: eip, esp
+#define SC_EXIT_THREAD	5		// args: ()
+
+#define	SC_MMAP			10		// args: addr, size, mode
+#define SC_MMAP_FILE	11		// args: handle, offset, addr, size, mode
+#define SC_MCHMAP		12		// args: addr, new_mode
+#define SC_MUNMAP		13		// args: addr
+
+#define SC_CREATE		20		// args: file, file_strlen, type
+#define SC_DELETE		21		// args: file, file_strlen
+#define SC_MOVE			22		// args: old_file, old_file_strlen, new_file, new_file_strlen
+#define SC_STAT			23		// args: file, file_strlen, out stat_t* data
+
+#define SC_OPEN			30		// args: file, file_strlen, mode
+#define SC_CLOSE		31		// args: fd
+#define SC_READ			32		// args: fd, offset, size, out char* data
+#define SC_WRITE		33		// args: fd, offset, size, data
+#define SC_READDIR		34		// args: fd, ent_no, out dirent_t *data
+#define SC_STAT_OPEN	35		// args: fd, out stat_t *data -- stat on open file handle
+#define SC_IOCTL		36		// args: fd, command, out void* data
+#define SC_GET_MODE		37		// args: fd -- get mode for open file handle
+#define SC_SELECT		38		// args: sel_fd_t*, count, timeout
+
+#define SC_MK_CHANNEL	40		// args: blocking?, (int, int)*
+#define SC_GEN_TOKEN	41		// args: fd, token_t*
+#define SC_USE_TOKEN	42		// args: token_t*
+
+#define SC_MAKE_FS		50		// args: sc_make_fs_args_t
+#define SC_FS_ADD_SRC	51		// args: fs_name, fs_name_strlen, fd, opts, opts_strlen
+#define SC_SUBFS		52		// args: sc_subfs_args_t
+#define SC_RM_FS		53		// args: fs_name, fs_name_strlen
+// TODO : how do we enumerate filesystems ?
+
+#define SC_NEW_PROC		60		// args: nothing ?
+#define SC_BIND_FS		61		// args: pid, new_name, new_name_strlen, fs_name, fs_name_strlen -- bind FS to child process
+#define SC_BIND_SUBFS	62		// args: sc_subfs_args_t -- subfs & bind to child process
+#define SC_BIND_MAKE_FS	63		// args: sc_make_fs_args_t
+#define SC_BIND_FD		64		// args: pid, new_fd, local_fd -- copy a file descriptor to child process
+#define SC_PROC_EXEC	65		// args: pid, exec_name, exec_name_strlen -- execute binary in process
+#define SC_PROC_STATUS	66		// args: pid, proc_status_t*
+#define SC_PROC_KILL	67		// args: pid, proc_status_t* -- inconditionnally kill child process
+#define SC_PROC_WAIT	68		// args: pid?, block?, proc_status_t*
+
+#define INVALID_PID 0		// do a wait with this PID to wayt for any child
+
+typedef struct {
+	const char* driver;
+	size_t driver_strlen;
+
+	const char* fs_name;
+	size_t fs_name_strlen;
+
+	fd_t source_fd;
+
+	const char* opts;
+	size_t opts_strlen;
+
+	pid_t bind_to_pid;		// zero = bind to current proc
+} sc_make_fs_args_t;
+
+typedef struct {
+	const char* new_name;
+	size_t new_name_strlen;
+
+	const char* from_fs;
+	size_t from_fs_strlen;
+
+	const char* root;
+	size_t root_strlen;
+
+	int ok_modes;
+
+	pid_t bind_to_pid;		// 0 = bind to current proc
+} sc_subfs_args_t;
+
+/* vim: set ts=4 sw=4 tw=0 noet :*/
diff --git a/src/common/include/proto/token.h b/src/common/include/proto/token.h
new file mode 100644
index 0000000..9ec1aff
--- /dev/null
+++ b/src/common/include/proto/token.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#include <stdint.h>
+#include <stddef.h>
+
+#define TOKEN_LENGTH 16
+typedef struct {
+	char bytes[TOKEN_LENGTH];
+} token_t;
+
+/* vim: set ts=4 sw=4 tw=0 noet :*/