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authorAlex Auvolat <alex@adnab.me>2015-03-10 16:12:03 +0100
committerAlex Auvolat <alex@adnab.me>2015-03-10 16:12:03 +0100
commit48c1c4dcc449d05e9950a861e165f456e0d583a1 (patch)
tree1107e6a6779d16824055e358eb04a45fc5365b63 /src/common/include/proto
parentc6068c0bce5cf764846e775d3509b1a82af4a0e5 (diff)
downloadkogata-48c1c4dcc449d05e9950a861e165f456e0d583a1.tar.gz
kogata-48c1c4dcc449d05e9950a861e165f456e0d583a1.zip
Rename & cleanup.
Diffstat (limited to 'src/common/include/proto')
-rw-r--r--src/common/include/proto/fb.h33
-rw-r--r--src/common/include/proto/fs.h62
-rw-r--r--src/common/include/proto/mmap.h7
-rw-r--r--src/common/include/proto/proc.h25
-rw-r--r--src/common/include/proto/syscall.h89
-rw-r--r--src/common/include/proto/token.h11
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 :*/