sylware / cinitramfs (public) (License: GPLv3) (since 2019-09-09) (hash sha1)
linux lean early user space
Clone URLs: https://rocketgit.com/user/sylware/cinitramfs ssh://rocketgit@ssh.rocketgit.com/user/sylware/cinitramfs git://git.rocketgit.com/user/sylware/cinitramfs
master
List of commits:
Subject Hash Author Date (UTC)
ready to be used 51f3d5adedf51ab5b47a61724035141bcbb71354 Sylvain BERTRAND 2012-01-30 15:27:56
ready, now need to know why init libc is crashing 39e165e544af1632e0d1926a686173e8b7543bdd Sylvain BERTRAND 2011-12-30 02:35:57
uevents cleanup 082938475c119d68ce5def18a1c21f69c596b1a1 Sylvain BERTRAND 2011-12-26 23:32:00
uevent monitor to ulinux patterns e9e2e03953d3a28e08aeb3a7388b334cda8a8479 Sylvain BERTRAND 2011-12-26 22:38:45
modules properly loaded ac79794945662bad9e97562c479dea5afe455687 Sylvain BERTRAND 2011-12-26 22:08:54
ulinux patterns: insert a kernel module ed879829ce6c44b77bddcd9c106a106261f47301 Sylvain BERTRAND 2011-12-26 21:29:33
ulinux dir_parse pattern 63cc7acc186efc291a76255e97d86e80901174e5 Sylvain BERTRAND 2011-12-26 02:24:55
ulinux improvements and more patterns a458c52301d3a34e8b51794fea7c1cb06c1c34f8 Sylvain BERTRAND 2011-12-22 22:09:06
ulinux patterns:network server 60c167bcd530f95d0a57189035620c3bc80f1e34 Sylvain BERTRAND 2011-12-20 00:39:56
ulinux cleanup and samples 92c893f28ef42f11943c0bf80a037a5b5f34ebef Sylvain BERTRAND 2011-12-16 01:51:22
uevent listener 55657699f291575139858aec466340e7624cd66a Sylvain BERTRAND 2011-12-15 18:01:06
uevent monitor e241bd4db4af8510902a5c606eee0e1e2dbdecda Sylvain BERTRAND 2011-12-13 00:37:45
block signals 91772917669645b5634563d0c06e361c87cf3e84 Sylvain BERTRAND 2011-12-09 17:04:34
initial commit 5310fde2d021e3505f8f1d5d9091726c236967ec Sylvain BERTRAND 2011-12-07 11:29:18
Commit 51f3d5adedf51ab5b47a61724035141bcbb71354 - ready to be used
Author: Sylvain BERTRAND
Author date (UTC): 2012-01-30 15:27
Committer name: Sylvain BERTRAND
Committer date (UTC): 2012-01-30 15:27
Parent(s): 39e165e544af1632e0d1926a686173e8b7543bdd
Signer:
Signing key:
Signing status: N
Tree: b89beee6b7f214fb1244b6ff8522cfd27c9d77f9
File Lines added Lines deleted
README 2 0
TODO 1 0
conf.mk 5 5
globals.h 3 4
init.c 85 20
makefile 37 25
modules.c 27 15
ramfs.c 130 0
ramfs.h 3 3
uevent.c 2 1
uevents.c 20 6
uevents.h 1 0
ulinux/archs/x86_64/signal/siginfo.h 68 0
ulinux/archs/x86_64/signal/signal.h 2 2
ulinux/archs/x86_64/stat.h 16 16
ulinux/fs.h 2 0
ulinux/signal/siginfo.h 3 3
ulinux/signal/signal.h 9 8
ulinux/wait.h 15 8
File README changed (mode: 100644) (index 467ddb5..f04e1ce)
... ... Configure in conf.mk, then run make and follow the instruction.
3 3 The scsi_scan_wait, is a module that will hold while loading until the scsi The scsi_scan_wait, is a module that will hold while loading until the scsi
4 4 async scan is complete. You can remove it once done. async scan is complete. You can remove it once done.
5 5
6 This is a toolbox to build a combine initramfs and main init process.
7
6 8 coding style is c99 compact: coding style is c99 compact:
7 9 - indent is 2 spaces - indent is 2 spaces
8 10 - 80 columns - 80 columns
File TODO added (mode: 100644) (index 0000000..fae48d3)
1 blkid code in order to mount the root file system with its UUID
File conf.mk changed (mode: 100644) (index 48e53b2..2b6b3bf)
1 1 export export
2 DEBUG?=1
2 QUIET?=
3 3 SYSROOT?= SYSROOT?=
4 4 KERNEL_VERSION?=$(shell uname -r) KERNEL_VERSION?=$(shell uname -r)
5 5 ARCH?=$(shell uname -m | sed -e s/i.86/i386/ -e s/parisc64/parisc/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/ -e s/sh.*/sh/) ARCH?=$(shell uname -m | sed -e s/i.86/i386/ -e s/parisc64/parisc/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/ -e s/sh.*/sh/)
 
... ... CFLAGS?=-Wall -Wextra -std=gnu99 -O3 -march=native -fverbose-asm -S -I./
18 18 LDFLAGS?=-O -nostdlib -Bstatic --strip-all LDFLAGS?=-O -nostdlib -Bstatic --strip-all
19 19 ASFLAGS?= ASFLAGS?=
20 20
21 ifdef DEBUG
22 CFLAGS+= -DDEBUG
21 ifdef QUIET
22 CFLAGS+= -DQUIET
23 23 endif endif
24 24
25 25 #******************************************************************************* #*******************************************************************************
 
... ... UEVENTS_TIMEOUT=1
34 34 ROOT=\"sdb3\" ROOT=\"sdb3\"
35 35 ROOT_FS=\"ext4\" ROOT_FS=\"ext4\"
36 36 ROOT_OPTIONS=\"discard\" ROOT_OPTIONS=\"discard\"
37 ROOT_INIT=\"/sbin/init\"
37 SYSINIT=\"/init.sh\"
38 38 #******************************************************************************* #*******************************************************************************
39 39
40 40 ifdef SCSI_WAIT ifdef SCSI_WAIT
 
... ... CFLAGS+= -DSCSI_WAIT_SCAN
43 43 endif endif
44 44
45 45 CFLAGS+= -DROOT=$(ROOT) -DROOT_FS=$(ROOT_FS) -DROOT_OPTIONS=$(ROOT_OPTIONS) CFLAGS+= -DROOT=$(ROOT) -DROOT_FS=$(ROOT_FS) -DROOT_OPTIONS=$(ROOT_OPTIONS)
46 CFLAGS+= -DUEVENTS_TIMEOUT=$(UEVENTS_TIMEOUT) -DROOT_INIT=$(ROOT_INIT)
46 CFLAGS+= -DUEVENTS_TIMEOUT=$(UEVENTS_TIMEOUT) -DSYSINIT=$(SYSINIT)
File globals.h changed (mode: 100644) (index e33a5e2..736621e)
5 5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com> //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 6 //* <digital.ragnarok AT gmail dot com> //* <digital.ragnarok AT gmail dot com>
7 7 //****************************************************************************** //******************************************************************************
8 #ifdef DEBUG
8 #ifndef QUIET
9 9 #define PRE "initramfs:" #define PRE "initramfs:"
10 extern k_i g_console;
11 10 extern k_u8 *g_dprintf_buf; extern k_u8 *g_dprintf_buf;
12 11 #define DPRINTF_BUF_SZ 1024 #define DPRINTF_BUF_SZ 1024
13 #define OUT(f,...) u_a_dprintf(g_console,g_dprintf_buf,DPRINTF_BUF_SZ,(k_u8*)f,\
12 #define OUT(f,...) u_a_dprintf(0,g_dprintf_buf,DPRINTF_BUF_SZ,(k_u8*)f,\
14 13 __VA_ARGS__) __VA_ARGS__)
15 #define OUTC(s) sysc(write,3,g_console,s,sizeof(s))
14 #define OUTC(s) sysc(write,3,0,s,sizeof(s))
16 15 #else #else
17 16 #define PRE #define PRE
18 17 #define OUT(f,...) (void)0; #define OUT(f,...) (void)0;
File init.c changed (mode: 100644) (index 5a1f1d1..b999a45)
11 11 #include <ulinux/dirent.h> #include <ulinux/dirent.h>
12 12 #include <ulinux/socket/socket.h> #include <ulinux/socket/socket.h>
13 13 #include <ulinux/socket/netlink.h> #include <ulinux/socket/netlink.h>
14 #ifdef DEBUG
14 #include <ulinux/wait.h>
15 #include <ulinux/signal/signal.h>
16 #include <ulinux/signal/siginfo.h>
17
18 #ifndef QUIET
15 19 #include <ulinux/file.h> #include <ulinux/file.h>
16 20 #include <ulinux/stat.h> #include <ulinux/stat.h>
17 21 #include <ulinux/mmap.h> #include <ulinux/mmap.h>
18 #include <ulinux/signal/signal.h>
19 22
20 23 #include <stdarg.h> #include <stdarg.h>
21 24 #include <ulinux/utils/ascii/string/vsprintf.h> #include <ulinux/utils/ascii/string/vsprintf.h>
 
23 26
24 27 #include "modules.h" #include "modules.h"
25 28 #include "uevents.h" #include "uevents.h"
29 #include "ramfs.h"
26 30 #include "globals.h" #include "globals.h"
27 31
28 #ifdef DEBUG
32 #ifndef QUIET
29 33 k_u8 *g_dprintf_buf; k_u8 *g_dprintf_buf;
30 k_i g_console;
31 34 #endif #endif
32 35
33 36 static void sigs_setup(void) static void sigs_setup(void)
 
... ... static void newroot_mount(void)
55 58
56 59 } }
57 60
58 static void ramfs_cleanup(void)
59 {
60 //TODO:eraze everything except /newroot
61 }
62
63 61 static void newroot_chdir() static void newroot_chdir()
64 62 { {
65 63 OUTC(PRE "chdir to /newroot..."); OUTC(PRE "chdir to /newroot...");
 
... ... static void newroot_chroot(void)
93 91 OUTC("done\n"); OUTC("done\n");
94 92 } }
95 93
96 static void init_execve(void)
94 static k_i sysinit_clone(void)
97 95 { {
98 k_l r=sysc(execve,4,ROOT_INIT,0,0,0);
96 OUTC(PRE "clone and execve " SYSINIT "...\n");
97 k_l r=sysc(clone,5,K_SIGCHLD,0,0,0,0);
99 98 if(K_ISERR(r)){ if(K_ISERR(r)){
100 OUT("ERROR(%ld):unable to run /sbin/init\n",r);
99 OUT("ERROR(%ld):unable to clone for sysinit\n",r);
101 100 sysc(exit_group,1,-1); sysc(exit_group,1,-1);
102 101 } }
102
103 if(r) return (k_i)r;
104
105 r=sysc(execve,4,SYSINIT,0,0,0);
106 if(K_ISERR(r))
107 OUT("ERROR(%ld):unable to run " SYSINIT "\n",r);
108 sysc(exit_group,1,-1);
109 __builtin_unreachable();
103 110 } }
104 111
105 void _start(void)
112 static k_i getty_spawn(k_u8 *tty)
106 113 { {
107 # ifdef DEBUG
108 //k_l r=sysc(open,3,"/dev/console",K_O_WRONLY|K_O_CLOEXEC,0);
109 k_l r=sysc(open,3,"/dev/console",K_O_WRONLY,0);
110 if(K_ISERR(r)) sysc(exit_group,1,-1);
111 g_console=(k_i)r;
114 OUT(PRE "getty %s...\n",tty);
115 k_l r=sysc(clone,5,K_SIGCHLD,0,0,0,0);
116 if(K_ISERR(r)){
117 OUT("ERROR(%ld):unable to clone for getty\n",r);
118 sysc(exit_group,1,-1);
119 }
112 120
121 if(r) return r;
122
123 r=sysc(setsid,0);
124 if(K_ISERR(r)){
125 OUT("ERROR(%ld):unable to setsid the getty clone\n",r);
126 sysc(exit_group,1,-1);
127 }
128
129 k_u8 *argv[]={(k_u8*)"/sbin/agetty",tty,0};
130 r=sysc(execve,4,"/sbin/agetty",argv,0,0);
131 if(K_ISERR(r)){
132 OUT("ERROR(%ld):unable to run /sbin/agetty on %s\n",r,tty);
133 sysc(exit_group,1,-1);
134 }
135 __builtin_unreachable();
136 }
137
138 static void sysinit(void)
139 {
140 k_i pid=sysinit_clone();
141 k_l r=sysc(waitid,5,K_P_PID,pid,0,K_WEXITED,0);
142 if(K_ISERR(r)){
143 OUT("ERROR(%ld):unable to wait for " SYSINIT " to exit\n",r);
144 sysc(exit_group,1,-1);
145 }
146 }
147
148 static void loop(void)
149 {
150 k_i tty1=getty_spawn((k_u8*)"tty1");
151 k_i tty2=getty_spawn((k_u8*)"tty2");
152 while(1){
153 struct k_siginfo siginfo;
154 k_l r=sysc(waitid,5,K_P_ALL,0,&siginfo,K_WEXITED,0);
155 if(K_ISERR(r)){
156 OUT("ERROR(%ld):unable to wait properly for getty clones to exit\n",r);
157 sysc(exit_group,1,-1);
158 }
159 if(siginfo.fields.sigchld.pid==tty1) tty1=getty_spawn((k_u8*)"tty1");
160 else if(siginfo.fields.sigchld.pid==tty2) tty2=getty_spawn((k_u8*)"tty2");
161 else{
162 OUT("ERROR:dead init child(pid=%d) is unknown)\n",
163 siginfo.fields.sigchld.pid);
164 sysc(exit_group,1,-1);
165 }
166 }
167 }
168
169 //fds 0,1 and 2 are rw /dev/console, see linux/init/main.c
170 void _start(void)
171 {
172 #ifndef QUIET
113 173 static k_u8 dprintf_buf[DPRINTF_BUF_SZ]; static k_u8 dprintf_buf[DPRINTF_BUF_SZ];
114 174 g_dprintf_buf=dprintf_buf; g_dprintf_buf=dprintf_buf;
115 # endif
175 #endif
176 //----------------------------------------------------------------------------
177 //mount rootfs
116 178 sigs_setup(); sigs_setup();
117 179 uevents_setup(); uevents_setup();
118 180 modules_load(); modules_load();
119 181 uevents_process(); uevents_process();
182 uevents_cleanup();
120 183 newroot_mount(); newroot_mount();
121 184 ramfs_cleanup(); ramfs_cleanup();
122 185 newroot_chdir(); newroot_chdir();
123 186 newroot_move(); newroot_move();
124 187 newroot_chroot(); newroot_chroot();
125 init_execve();
188 //----------------------------------------------------------------------------
189 sysinit();
190 loop();
126 191 } }
File makefile changed (mode: 100644) (index 970faf7..2eebf4f)
... ... $(MODULES_DIR) \
9 9 $(CPIO_DIR)/dev \ $(CPIO_DIR)/dev \
10 10 $(CPIO_DIR)/newroot $(CPIO_DIR)/newroot
11 11
12
13 12 OBJS=\ OBJS=\
14 13 $(OBJ_DIR)/init.o \ $(OBJ_DIR)/init.o \
15 14 $(OBJ_DIR)/modules.o \ $(OBJ_DIR)/modules.o \
16 15 $(OBJ_DIR)/uevents.o \ $(OBJ_DIR)/uevents.o \
17 $(OBJ_DIR)/uevent.o
18
19 ULINUX_DEBUG_OBJS=\
20 $(OBJ_DIR)/decimal.o
16 $(OBJ_DIR)/uevent.o \
17 $(OBJ_DIR)/ramfs.o
21 18
22 ifdef DEBUG
23 ULINUX_DEBUG_OBJS+= \
24 $(OBJ_DIR)/mem.o \
19 ULINUX_OBJS=\
20 $(OBJ_DIR)/decimal.o \
25 21 $(OBJ_DIR)/string.o \ $(OBJ_DIR)/string.o \
22 $(OBJ_DIR)/mem.o
23 OBJS+= $(ULINUX_OBJS)
24
25 ifndef QUIET
26 ULINUX_NQUIET_OBJS+= \
26 27 $(OBJ_DIR)/vsprintf.o $(OBJ_DIR)/vsprintf.o
28 OBJS+= $(ULINUX_NQUIET_OBJS)
27 29 endif endif
28 30
29 OBJS+= $(ULINUX_DEBUG_OBJS)
30
31 #******************************************************************************
31 32 help: help:
32 33 @echo "targets are 'all', 'help'(this output), 'clean'" @echo "targets are 'all', 'help'(this output), 'clean'"
33 34 @echo -e "you can configure the build with the following variables:\\n\ @echo -e "you can configure the build with the following variables:\\n\
 
... ... ulinux/arch:
47 48 ln -s archs/$(ARCH) ulinux/arch ln -s archs/$(ARCH) ulinux/arch
48 49
49 50 #=============================================================================== #===============================================================================
50 ifdef DEBUG
51 $(S_DIR)/mem.s:ulinux/arch/utils/mem.c
52 $(CC) $(CFLAGS) $< -o $@
53 $(OBJ_DIR)/mem.o:$(S_DIR)/mem.s
54 $(AS) $(ASFLAGS) $< -o $@
55
56 $(S_DIR)/string.s:ulinux/utils/ascii/string/string.c
57 $(CC) $(CFLAGS) $< -o $@
58 $(OBJ_DIR)/string.o:$(S_DIR)/string.s
59 $(AS) $(ASFLAGS) $< -o $@
60
51 ifndef QUIET
61 52 $(S_DIR)/vsprintf.s:ulinux/utils/ascii/string/vsprintf.c $(S_DIR)/vsprintf.s:ulinux/utils/ascii/string/vsprintf.c
62 53 $(CC) $(CFLAGS) $< -o $@ $(CC) $(CFLAGS) $< -o $@
63 54 $(OBJ_DIR)/vsprintf.o:$(S_DIR)/vsprintf.s $(OBJ_DIR)/vsprintf.o:$(S_DIR)/vsprintf.s
 
... ... $(OBJ_DIR)/vsprintf.o:$(S_DIR)/vsprintf.s
65 56 endif endif
66 57 #=============================================================================== #===============================================================================
67 58
59 #===============================================================================
60 #ulinux objets
61 $(S_DIR)/mem.s:ulinux/arch/utils/mem.c
62 $(CC) $(CFLAGS) $< -o $@
63 $(OBJ_DIR)/mem.o:$(S_DIR)/mem.s
64 $(AS) $(ASFLAGS) $< -o $@
65
68 66 $(S_DIR)/decimal.s:ulinux/utils/ascii/string/conv/decimal/decimal.c $(S_DIR)/decimal.s:ulinux/utils/ascii/string/conv/decimal/decimal.c
69 67 $(CC) $(CFLAGS) $< -o $@ $(CC) $(CFLAGS) $< -o $@
70 68 $(OBJ_DIR)/decimal.o:$(S_DIR)/decimal.s $(OBJ_DIR)/decimal.o:$(S_DIR)/decimal.s
71 69 $(AS) $(ASFLAGS) $< -o $@ $(AS) $(ASFLAGS) $< -o $@
72 70
71 $(S_DIR)/string.s:ulinux/utils/ascii/string/string.c
72 $(CC) $(CFLAGS) $< -o $@
73 $(OBJ_DIR)/string.o:$(S_DIR)/string.s
74 $(AS) $(ASFLAGS) $< -o $@
75 #===============================================================================
76
77 #the default kernel included initramfs has /dev/console and more
78 #the external initramfs is an overlay of this internal default initramfs
79 #see linux/usr
73 80 $(CPIO_DIR)/dev/console: $(CPIO_DIR)/dev/console:
74 81 mknod --mode=0600 $(CPIO_DIR)/dev/console c 5 1 mknod --mode=0600 $(CPIO_DIR)/dev/console c 5 1
75 82
 
... ... $(BUILD_DIR)/initramfs.cpio:$(CPIO_DIR)/init $(CPIO_DIR)/dev/console
82 89 $(BUILD_DIR)/initramfs.cpio.xz:$(BUILD_DIR)/initramfs.cpio $(BUILD_DIR)/initramfs.cpio.xz:$(BUILD_DIR)/initramfs.cpio
83 90 xz --force --check=crc32 --extreme --stdout $< >$@ xz --force --check=crc32 --extreme --stdout $< >$@
84 91
85 $(S_DIR)/modules.s:modules.c modules_list.h
92 $(S_DIR)/modules.s:modules.c modules_list.h globals.h
86 93 $(CC) $(CFLAGS) $< -o $@ $(CC) $(CFLAGS) $< -o $@
87 94 $(OBJ_DIR)/modules.o:$(S_DIR)/modules.s $(OBJ_DIR)/modules.o:$(S_DIR)/modules.s
88 95 $(AS) $(ASFLAGS) $< -o $@ $(AS) $(ASFLAGS) $< -o $@
89 96
90 $(S_DIR)/uevent.s:uevent.c
97 $(S_DIR)/uevent.s:uevent.c globals.h
91 98 $(CC) $(CFLAGS) $< -o $@ $(CC) $(CFLAGS) $< -o $@
92 99 $(OBJ_DIR)/uevent.o:$(S_DIR)/uevent.s $(OBJ_DIR)/uevent.o:$(S_DIR)/uevent.s
93 100 $(AS) $(ASFLAGS) $< -o $@ $(AS) $(ASFLAGS) $< -o $@
94 101
95 $(S_DIR)/uevents.s:uevents.c
102 $(S_DIR)/uevents.s:uevents.c globals.h
96 103 $(CC) $(CFLAGS) $< -o $@ $(CC) $(CFLAGS) $< -o $@
97 104 $(OBJ_DIR)/uevents.o:$(S_DIR)/uevents.s $(OBJ_DIR)/uevents.o:$(S_DIR)/uevents.s
98 105 $(AS) $(ASFLAGS) $< -o $@ $(AS) $(ASFLAGS) $< -o $@
106
107 $(S_DIR)/ramfs.s:ramfs.c globals.h
108 $(CC) $(CFLAGS) $< -o $@
109 $(OBJ_DIR)/ramfs.o:$(S_DIR)/ramfs.s
110 $(AS) $(ASFLAGS) $< -o $@
99 111
100 $(S_DIR)/init.s:init.c modules.h
112 $(S_DIR)/init.s:init.c modules.h uevents.h ramfs.h globals.h
101 113 $(CC) $(CFLAGS) $< -o $@ $(CC) $(CFLAGS) $< -o $@
102 114 $(OBJ_DIR)/init.o:$(S_DIR)/init.s $(OBJ_DIR)/init.o:$(S_DIR)/init.s
103 115 $(AS) $(ASFLAGS) $< -o $@ $(AS) $(ASFLAGS) $< -o $@
File modules.c changed (mode: 100644) (index 25c6426..899930b)
12 12 #include <ulinux/error.h> #include <ulinux/error.h>
13 13 #include <ulinux/file.h> #include <ulinux/file.h>
14 14
15 #ifdef DEBUG
15 #ifndef QUIET
16 16 #include <stdarg.h> #include <stdarg.h>
17 17 #include <ulinux/utils/ascii/string/vsprintf.h> #include <ulinux/utils/ascii/string/vsprintf.h>
18 18 #endif #endif
 
22 22
23 23 static void module_load(k_u8 *m) static void module_load(k_u8 *m)
24 24 { {
25 k_i fd=(k_i)sysc(open,3,m,K_O_RDONLY|K_O_CLOEXEC,0);
25 k_i fd=(k_i)sysc(open,3,m,K_O_RDONLY,0);
26 26 if(K_ISERR(fd)){ if(K_ISERR(fd)){
27 OUT("unable to open module(%ld)\n",fd);
28 goto err;
27 OUT("ERROR(%d):unable to open module file\n",fd);
28 sysc(exit_group,1,-1);
29 29 } }
30 30
31 31 struct k_stat m_stat; struct k_stat m_stat;
32 32 k_l r=sysc(fstat,2,fd,&m_stat); k_l r=sysc(fstat,2,fd,&m_stat);
33 33 if(K_ISERR(r)){ if(K_ISERR(r)){
34 OUT("unable to stat module(%ld)\n",r);
35 goto err;
34 OUT("ERROR(%ld):unable to stat module file\n",r);
35 sysc(exit_group,1,-1);
36 36 } }
37 OUT("size=%lu...",m_stat.st_size);
37 OUT("size=%lu...",m_stat.sz);
38 38
39 k_l addr=sysc(mmap,6,0,m_stat.st_size,K_PROT_READ,
39 k_l addr=sysc(mmap,6,0,m_stat.sz,K_PROT_READ,
40 40 K_MAP_PRIVATE|K_MAP_POPULATE,fd,0); K_MAP_PRIVATE|K_MAP_POPULATE,fd,0);
41 41 if(K_ISERR(addr)){ if(K_ISERR(addr)){
42 OUT("unable to mmap module(%ld)\n",addr);
43 goto err;
42 OUT("ERROR(%ld):unable to mmap module file\n",addr);
43 sysc(exit_group,1,-1);
44 44 } }
45 45
46 r=sysc(init_module,3,addr,m_stat.st_size,"");
46 r=sysc(init_module,3,addr,m_stat.sz,"");
47 47 if(K_ISERR(r)){ if(K_ISERR(r)){
48 OUT("unable init module(%ld)\n",r);
49 goto err;
48 OUT("ERROR(%ld):unable init module\n",r);
49 sysc(exit_group,1,-1);
50 }
51
52 do r=sysc(close,1,fd); while(r==-K_EINTR);
53 if(K_ISERR(r)){
54 OUT("ERROR(%ld):unable to close module file\n",r);
55 sysc(exit_group,1,-1);
50 56 } }
51 57 return; return;
52 err:
53 sysc(exit_group,1,-1);
54 58 } }
55 59
56 60 void modules_load(void) void modules_load(void)
 
... ... void modules_load(void)
63 67 OUTC("done\n"); OUTC("done\n");
64 68 ++m; ++m;
65 69 } }
70
71 #ifdef SCSI_WAIT_SCAN
72 k_l r=sysc(delete_module,1,"scsi_wait_scan");
73 if(K_ISERR(r)){
74 OUT(PRE "ERROR(%ld):unable to delete the scsi_wait_scan module\n",r);
75 sysc(exit_group,1,-1);
76 }
77 #endif
66 78 } }
File ramfs.c added (mode: 100644) (index 0000000..d0b3b3d)
1 //******************************************************************************
2 //*this code is protected by the GNU affero GPLv3
3 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
4 //* <digital.ragnarok AT gmail dot com>
5 //******************************************************************************
6 #include <ulinux/compiler_types.h>
7 #include <ulinux/types.h>
8 #include <ulinux/error.h>
9 #include <ulinux/fs.h>
10 #include <ulinux/file.h>
11 #include <ulinux/dirent.h>
12 #include <ulinux/utils/ascii/string/string.h>
13 #include <ulinux/sysc.h>
14
15 #ifndef QUIET
16 #include <stdarg.h>
17 #include <ulinux/utils/ascii/string/vsprintf.h>
18 #endif
19
20 #include "globals.h"
21
22 #define DIRENTS_BUF_SZ 8192
23
24 static k_ut is_current(k_u8 *n)
25 {
26 if(n[0]=='.'&&n[1]==0) return 1;
27 return 0;
28 }
29
30 static k_ut is_parent(k_u8 *n)
31 {
32 if(n[0]=='.'&&n[1]=='.'&&n[2]==0) return 1;
33 return 0;
34 }
35
36 static k_ut is_newroot(k_u8 *n)
37 {
38 #define NEWROOT (k_u8*)"newroot"
39 return u_a_strncmp(n,NEWROOT,sizeof(NEWROOT)-1)?0:1;
40 }
41
42 static void unlink(k_i parent_fd,k_u8 *n,k_i flgs)
43 {
44 k_l r=sysc(unlinkat,3,parent_fd,n,flgs);
45 if(K_ISERR(r)){
46 OUT("ERROR(%ld):unable to remove dir entry:%s\n",r,n);
47 sysc(exit_group,1,-1);
48 }
49 }
50
51 static void dir_del(k_i parent_fd);
52 static void dirent_del(k_i parent_fd,struct k_dirent64 *d)
53 {
54 if(d->type==K_DT_DIR){
55 if(!is_current(d->name)&&!is_parent(d->name)){
56 k_i dir_fd;
57 do
58 dir_fd=(k_i)sysc(openat,4,parent_fd,d->name,K_O_RDONLY|K_O_NONBLOCK,0);
59 while(dir_fd==-K_EINTR);
60 if(K_ISERR(dir_fd)){
61 OUT("ERROR(%d):unable to open subdir:%s\n",dir_fd,d->name);
62 sysc(exit_group,1,-1);
63 }else{
64 dir_del(dir_fd);
65 k_l r;
66 do r=sysc(close,1,dir_fd); while(r==-K_EINTR);
67 if(K_ISERR(r)){
68 OUT("ERROR(%ld):unable to close dir fd\n",r);
69 sysc(exit_group,1,-1);
70 }
71 }
72 unlink(parent_fd,d->name,K_AT_REMOVEDIR);
73 }
74 }else unlink(parent_fd,d->name,0);
75 }
76
77 static void dir_del(k_i parent_fd)
78 {
79 k_u8 dirents[DIRENTS_BUF_SZ];
80 while(1){
81 k_l r=sysc(getdents64,3,parent_fd,dirents,DIRENTS_BUF_SZ);
82 if(K_ISERR(r)){
83 OUT("ERROR(%ld):getdents error\n",r);
84 sysc(exit_group,1,-1);
85 }
86 if(!r) break;
87 k_l i=0;
88 while(i<r){
89 struct k_dirent64 *d=(struct k_dirent64*)(dirents+i);
90 dirent_del(parent_fd,d);
91 i+=d->rec_len;
92 }
93 }
94 }
95
96 void ramfs_cleanup(void)
97 {
98 OUTC(PRE "cleaning ramfs...");
99 k_i root_fd;
100 do
101 root_fd=(k_i)sysc(open,3,"/",K_O_RDONLY|K_O_NONBLOCK,0);
102 while(root_fd==-K_EINTR);
103 if(K_ISERR(root_fd)){
104 OUT("ERROR(%d):unable to open root dir\n",root_fd);
105 sysc(exit_group,1,-1);
106 }
107
108 k_u8 dirents[DIRENTS_BUF_SZ];
109 while(1){
110 k_l r=sysc(getdents64,3,root_fd,dirents,DIRENTS_BUF_SZ);
111 if(K_ISERR(r)){
112 OUT("ERROR(%ld):getdents error\n",r);
113 sysc(exit_group,1,-1);
114 }
115 if(!r) break;
116 k_l i=0;
117 while(i<r){
118 struct k_dirent64 *d=(struct k_dirent64*)(dirents+i);
119 if(!is_newroot(d->name)) dirent_del(root_fd,d);
120 i+=d->rec_len;
121 }
122 }
123 k_l r;
124 do r=sysc(close,1,root_fd); while(r==-K_EINTR);
125 if(K_ISERR(r)){
126 OUT("ERROR(%ld):unable to root dir fd\n",r);
127 sysc(exit_group,1,-1);
128 }
129 OUTC("done\n");
130 }
File ramfs.h copied from file modules.h (similarity 84%) (mode: 100644) (index f5e162a..4e38d9f)
1 #ifndef MODULES_H
2 #define MODULES_H
1 #ifndef RAMFS_H
2 #define RAMFS_H
3 3 //****************************************************************************** //******************************************************************************
4 4 //*this code is protected by the GNU affero GPLv3 //*this code is protected by the GNU affero GPLv3
5 5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com> //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 6 //* <digital.ragnarok AT gmail dot com> //* <digital.ragnarok AT gmail dot com>
7 7 //****************************************************************************** //******************************************************************************
8 void modules_load(void);
8 void ramfs_cleanup(void);
9 9 #endif #endif
File uevent.c changed (mode: 100644) (index 80d22b4..6c62952)
9 9 #include <ulinux/error.h> #include <ulinux/error.h>
10 10 #include <ulinux/utils/ascii/string/conv/decimal/decimal.h> #include <ulinux/utils/ascii/string/conv/decimal/decimal.h>
11 11 #include <ulinux/utils/mem.h> #include <ulinux/utils/mem.h>
12 #ifdef DEBUG
13 12 #include <ulinux/sysc.h> #include <ulinux/sysc.h>
13
14 #ifndef QUIET
14 15 #include <stdarg.h> #include <stdarg.h>
15 16 #include <ulinux/utils/ascii/string/vsprintf.h> #include <ulinux/utils/ascii/string/vsprintf.h>
16 17 #endif #endif
File uevents.c changed (mode: 100644) (index 32961ea..cef85f6)
12 12 #include <ulinux/socket/netlink.h> #include <ulinux/socket/netlink.h>
13 13 #include <ulinux/epoll.h> #include <ulinux/epoll.h>
14 14 #include <ulinux/utils/mem.h> #include <ulinux/utils/mem.h>
15 #ifdef DEBUG
15 #ifndef QUIET
16 16 #include <ulinux/file.h> #include <ulinux/file.h>
17 17 #include <ulinux/stat.h> #include <ulinux/stat.h>
18 18 #include <ulinux/mmap.h> #include <ulinux/mmap.h>
 
27 27 static k_i ep_fd; static k_i ep_fd;
28 28 static k_i s; static k_i s;
29 29
30 void uevents_cleanup(void)
31 {
32 k_l r;
33 do r=sysc(close,1,ep_fd); while(r==-K_EINTR);
34 if(K_ISERR(r)){
35 OUT("ERROR(%ld):unable to close epoll fd\n",r);
36 sysc(exit_group,1,-1);
37 }
38
39 do r=sysc(close,1,s); while(r==-K_EINTR);
40 if(K_ISERR(r)){
41 OUT("ERROR(%ld):unable to close netlink socket\n",r);
42 sysc(exit_group,1,-1);
43 }
44 }
45
30 46 void uevents_setup(void) void uevents_setup(void)
31 47 { {
32 48 OUTC(PRE "setting up uevent..."); OUTC(PRE "setting up uevent...");
33 ep_fd=(k_i)sysc(epoll_create1,1,K_EPOLL_CLOEXEC);
49 ep_fd=(k_i)sysc(epoll_create1,1,0);
34 50 if(K_ISERR(ep_fd)){ if(K_ISERR(ep_fd)){
35 51 OUT("ERROR(%d):unable to create epoll fd\n",ep_fd); OUT("ERROR(%d):unable to create epoll fd\n",ep_fd);
36 52 sysc(exit_group,1,-1); sysc(exit_group,1,-1);
 
... ... void uevents_setup(void)
39 55 //---------------------------------------------------------------------------- //----------------------------------------------------------------------------
40 56
41 57 //blocking socket //blocking socket
42 s=(k_i)sysc(socket,3,K_PF_NETLINK,K_SOCK_RAW|K_SO_CLOEXEC,
58 s=(k_i)sysc(socket,3,K_PF_NETLINK,K_SOCK_RAW,
43 59 K_NETLINK_KOBJECT_UEVENT); K_NETLINK_KOBJECT_UEVENT);
44 60 if(K_ISERR(s)){ if(K_ISERR(s)){
45 61 OUT("ERROR(%d):unable to create uevent netlink socket\n",s); OUT("ERROR(%d):unable to create uevent netlink socket\n",s);
 
... ... static void uevent_msg(void)
95 111 msg.iov_len=1; msg.iov_len=1;
96 112
97 113 k_l r; k_l r;
98 do{
99 r=sysc(recvmsg,3,s,&msg,0);
100 }while(r==-K_EINTR);
114 do r=sysc(recvmsg,3,s,&msg,0); while(r==-K_EINTR);
101 115 if(K_ISERR(r)){ if(K_ISERR(r)){
102 116 OUT("ERROR(%ld):unable to receive the uevent\n",r); OUT("ERROR(%ld):unable to receive the uevent\n",r);
103 117 sysc(exit_group,1,-1); sysc(exit_group,1,-1);
File uevents.h changed (mode: 100644) (index 5832804..233e58e)
6 6 //* <digital.ragnarok AT gmail dot com> //* <digital.ragnarok AT gmail dot com>
7 7 //****************************************************************************** //******************************************************************************
8 8 void uevents_setup(void); void uevents_setup(void);
9 void uevents_cleanup(void);
9 10 void uevents_process(void); void uevents_process(void);
10 11 #endif #endif
File ulinux/archs/x86_64/signal/siginfo.h added (mode: 100644) (index 0000000..ed710a7)
1 #ifndef ULINUX_ARCH_SIGNAL_SIGINFO_H
2 #define ULINUX_ARCH_SIGNAL_SIGINFO_H
3 //******************************************************************************
4 //*this code is protected by the GNU affero GPLv3
5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 //* <digital.ragnarok AT gmail dot com>
7 //******************************************************************************
8 union k_sigval{
9 k_i i;
10 void* ptr;
11 };
12
13 #define SI_PREAMBLE_SIZE (4*sizeof(k_i))
14 #define SI_MAX_SIZE 128
15 #define SI_PAD_SIZE ((SI_MAX_SIZE-SI_PREAMBLE_SIZE)/sizeof(k_i))
16
17 struct k_siginfo{
18 k_i si_signo;
19 k_i si_errno;
20 k_i si_code;
21
22 union{
23 k_i pad[SI_PAD_SIZE];
24
25 //kill()
26 struct{
27 k_i pid;//sender's pid
28 k_u uid;//sender's uid
29 } kill;
30
31 //posix.1b timers
32 struct{
33 k_i tid;//timer id
34 k_i overrun;//overrun count
35 union k_sigval sigval;//same as below
36 k_i sys_private;//not to be passed to user
37 } timer;
38
39 //posix.1b signals
40 struct{
41 k_i pid;//sender's pid
42 k_u uid;//sender's uid
43 union k_sigval sigval;
44 } rt;
45
46 //SIGCHLD
47 struct{
48 k_i pid;//which child
49 k_u uid;//sender's uid
50 k_i status;//exit code
51 k_l utime;
52 k_l stime;
53 } sigchld;
54
55 //SIGILL, SIGFPE, SIGSEGV, SIGBUS
56 struct{
57 void* addr;//faulting insn/memory ref.
58 k_s addr_lsb;//lsb of the reported address
59 } sigfault;
60
61 //SIGPOLL
62 struct{
63 k_l band;//POLL_IN, POLL_OUT, POLL_MSG
64 k_i fd;
65 } sigpoll;
66 } fields;
67 };
68 #endif
File ulinux/archs/x86_64/signal/signal.h changed (mode: 100644) (index 91a135a..90bf0cd)
1 #ifndef ULINUX_ARCH_SIGNAL_SIGNAL_H
2 #define ULINUX_ARCH_SIGNAL_SIGNAL_H
1 3 //****************************************************************************** //******************************************************************************
2 4 //*this code is protected by the GNU affero GPLv3 //*this code is protected by the GNU affero GPLv3
3 5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com> //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
4 6 //* <digital.ragnarok AT gmail dot com> //* <digital.ragnarok AT gmail dot com>
5 7 //****************************************************************************** //******************************************************************************
6 #ifndef ULINUX_ARCH_SIGNAL_SIGNAL_H
7 #define ULINUX_ARCH_SIGNAL_SIGNAL_H
8 8 #define K_SIGHUP 1 #define K_SIGHUP 1
9 9 #define K_SIGINT 2 #define K_SIGINT 2
10 10 #define K_SIGQUIT 3 #define K_SIGQUIT 3
File ulinux/archs/x86_64/stat.h changed (mode: 100644) (index 7de7a09..952d18c)
6 6 #ifndef ULINUX_ARCH_STAT_H #ifndef ULINUX_ARCH_STAT_H
7 7 #define ULINUX_ARCH_STAT_H #define ULINUX_ARCH_STAT_H
8 8 struct k_stat{ struct k_stat{
9 k_ul st_dev;
10 k_ul st_ino;
11 k_ul st_nlink;
9 k_ul dev;
10 k_ul ino;
11 k_ul nlink;
12 12
13 k_u st_mode;
14 k_u st_uid;
15 k_u st_gid;
13 k_u mode;
14 k_u uid;
15 k_u gid;
16 16 k_u __pad0; k_u __pad0;
17 k_ul st_rdev;
18 k_l st_size;
19 k_l st_blksize;
20 k_l st_blocks;//Number 512-byte blocks allocated.
17 k_ul rdev;
18 k_l sz;
19 k_l blk_sz;
20 k_l blks;//Number 512-byte blocks allocated.
21 21
22 k_ul st_atime;
23 k_ul st_atime_nsec;
24 k_ul st_mtime;
25 k_ul st_mtime_nsec;
26 k_ul st_ctime;
27 k_ul st_ctime_nsec;
22 k_ul atime;
23 k_ul atime_nsec;
24 k_ul mtime;
25 k_ul mtime_nsec;
26 k_ul ctime;
27 k_ul ctime_nsec;
28 28 k_l __unused[3]; k_l __unused[3];
29 29 }; };
30 30 #endif #endif
File ulinux/fs.h changed (mode: 100644) (index 5d56edb..1103332)
43 43 #define K_DT_LNK 10 #define K_DT_LNK 10
44 44 #define K_DT_SOCK 12 #define K_DT_SOCK 12
45 45 #define K_DT_WHT 14 #define K_DT_WHT 14
46
47 #define K_AT_REMOVEDIR 0x200
46 48 #endif #endif
File ulinux/signal/siginfo.h copied from file modules.h (similarity 77%) (mode: 100644) (index f5e162a..c4e5263)
1 #ifndef MODULES_H
2 #define MODULES_H
1 #ifndef ULINUX_SIGNAL_SIGINFO
2 #define ULINUX_SIGNAL_SIGINFO
3 3 //****************************************************************************** //******************************************************************************
4 4 //*this code is protected by the GNU affero GPLv3 //*this code is protected by the GNU affero GPLv3
5 5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com> //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 6 //* <digital.ragnarok AT gmail dot com> //* <digital.ragnarok AT gmail dot com>
7 7 //****************************************************************************** //******************************************************************************
8 void modules_load(void);
8 #include <ulinux/arch/signal/siginfo.h>
9 9 #endif #endif
File ulinux/signal/signal.h changed (mode: 100644) (index 4712736..64a71ea)
1 //**********************************************************************************************
1 #ifndef ULINUX_SIGNAL_SIGNAL_H
2 #define ULINUX_SIGNAL_SIGNAL_H
3 //******************************************************************************
2 4 //*this code is protected by the GNU affero GPLv3 //*this code is protected by the GNU affero GPLv3
3 //*author:Sylvain BERTRAND (sylvain.bertrand AT gmail dot com)
4 //**********************************************************************************************
5 #ifndef ULINUX_SIGNAL_H
6 #define ULINUX_SIGNAL_H
5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 //* <digital.ragnarok AT gmail dot com>
7 //******************************************************************************
7 8 #include <ulinux/arch/signal/signal.h> #include <ulinux/arch/signal/signal.h>
8 9 //In POSIX a signal is sent either to a specific thread (Linux task) //In POSIX a signal is sent either to a specific thread (Linux task)
9 10 //or to the process as a whole (Linux thread group). How the signal //or to the process as a whole (Linux thread group). How the signal
 
82 83 #define K_SIG_SETMASK 2//for setting the signal mask #define K_SIG_SETMASK 2//for setting the signal mask
83 84
84 85 #define K_SFD_NONBLOCK K_O_NONBLOCK #define K_SFD_NONBLOCK K_O_NONBLOCK
85 //----------------------------------------------------------------------------------------------
86 //------------------------------------------------------------------------------
86 87 //|user siginfo stuff //|user siginfo stuff
87 //----------------------------------------------------------------------------------------------
88 //------------------------------------------------------------------------------
88 89 struct k_signalfd_siginfo{ struct k_signalfd_siginfo{
89 90 k_u32 ssi_signo; k_u32 ssi_signo;
90 91 k_s32 ssi_errno; k_s32 ssi_errno;
 
... ... struct k_signalfd_siginfo{
112 113 //a compat on read(2). //a compat on read(2).
113 114 k_u8 __pad[48]; k_u8 __pad[48];
114 115 }; };
115 //----------------------------------------------------------------------------------------------
116 //----------------------------------------------------------------------------
116 117 #endif #endif
File ulinux/wait.h changed (mode: 100644) (index ea0e20a..c952c28)
1 //**********************************************************************************************
2 //*this code is protected by the GNU affero GPLv3
3 //*author:Sylvain BERTRAND (sylvain.bertrand AT gmail dot com)
4 //**********************************************************************************************
5 1 #ifndef ULINUX_WAIT_H #ifndef ULINUX_WAIT_H
6 2 #define ULINUX_WAIT_H #define ULINUX_WAIT_H
3 //******************************************************************************
4 //*this code is protected by the GNU affero GPLv3
5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 //* <digital.ragnarok AT gmail dot com>
7 //******************************************************************************
7 8 #define K_WNOHANG 0x00000001 #define K_WNOHANG 0x00000001
8 9 #define K_WUNTRACED 0x00000002 #define K_WUNTRACED 0x00000002
9 10 #define K_WSTOPPED K_WUNTRACED #define K_WSTOPPED K_WUNTRACED
10 11 #define K_WEXITED 0x00000004 #define K_WEXITED 0x00000004
11 12 #define K_WCONTINUED 0x00000008 #define K_WCONTINUED 0x00000008
12 #define K_WNOWAIT 0x01000000//Don't reap, just poll status.
13 #define K_WNOWAIT 0x01000000//don't reap, just poll status.
14
15 #define K_WNOTHREAD 0x20000000//don't wait on children of other threads in this
16 //group
17 #define K_WALL 0x40000000//wait on all children, regardless of type
18 #define K_WCLONE 0x80000000//wait only on non-SIGCHLD children
13 19
14 #define K_WNOTHREAD 0x20000000//Don't wait on children of other threads in this group
15 #define K_WALL 0x40000000//Wait on all children, regardless of type
16 #define K_WCLONE 0x80000000//Wait only on non-SIGCHLD children
20 //first argument to waitid
21 #define K_P_ALL 0
22 #define K_P_PID 1
23 #define K_P_PGID 2
17 24 #endif #endif
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