BigUncleMax: Minor formatting fixes

2024-05-27T13:03:36Z

Minor formatting fixes

← Older revision		Revision as of 13:03, 27 May 2024
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	<code>MLO</code> - ROM monitor or Multimedia card Loader.		<code>MLO</code> - ROM monitor or Multimedia card Loader.
	<code>Startup IFS</code> - Startup program, QNX kernel and rootfs
			<code>Startup IFS (QNX-IFS)</code> - Startup program, QNX kernel and rootfs

	Layout on EMMC flash:		Layout on EMMC flash:
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	0x0000 0x0000000 MBR		0x0000 0x0000000 MBR
	0x0002 0x0000400 (1024) boot bank info		0x0002 0x0000400 (1024) boot bank info
	0x0100 0x0020000 (131072) MLO		0x0100 0x0020000 (131072) MLO (bootloader)
	0x0184 0x0030800 (198656) IFS first bank		0x0184 0x0030800 (198656) IFS first bank
	0x7cd2 0x0F9A400 (16360448) IFS second bank		0x7cd2 0x0F9A400 (16360448) IFS second bank
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	</pre>		</pre>

	== hd0t180 == <!--T:1-->		== <code>hd0t180</code> == <!--T:1-->

	Mountpoint: <code>/fs/images</code>		Mountpoint: <code>/fs/images</code>
	Called from startup script(startupIFS)
			Called from startup script (at startupIFS)

	<pre>		<pre>
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	</pre>		</pre>

	== hd0t177 or hd0t178 == <!--T:1-->		== <code>hd0t177 or hd0t178</code> == <!--T:1-->

	Mountpoint: <code>/fs/mp</code>		Mountpoint: <code>/fs/mp</code>
	Called from <code>/etc/script_mnt.sh</code> (startupIFS)
			Called from <code>/etc/script_mnt.sh</code> (at startupIFS)

	<pre>		<pre>
	mmc_get_act /dev/hd0 0 > /tmp/mmcinfo		mmc_get_act /dev/hd0 0 > /tmp/mmcinfo
	mount -b -r -t qnx6 -o snapshot=0,noatime,alignio $MMC_ACT_FS_PART /fs/mp		mount -b -r -t qnx6 -o snapshot=0,noatime,alignio $MMC_ACT_FS_PART /fs/mp
	</pre>		</pre>Content of <code>/tmp/mmcinfo:</code><pre>

	<pre>
	# cat /tmp/mmcinfo		# cat /tmp/mmcinfo
	MMC_ACT_FS_PART=/dev/hd0t177		MMC_ACT_FS_PART=/dev/hd0t177
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	</pre>		</pre>

	== hd0t181 == <!--T:1-->		== <code>hd0t181</code> == <!--T:1-->

	Mountpoint: <code>/fs/rwdata</code>		Mountpoint: <code>/fs/rwdata</code>
	Called from startup script (startupIFS)
			Called from startup script (at startupIFS)

	<pre>		<pre>
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	Mountpoint: <code>/fs/mp/ifs</code>		Mountpoint: <code>/fs/mp/ifs</code>
	Called from startup script
			Called from startup script (at startupIFS)

	<pre>		<pre>
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	mount_ifs -b -f /fs/mp/ifs/quickapps-ifs -m / &		mount_ifs -b -f /fs/mp/ifs/quickapps-ifs -m / &
	mount_ifs -b -f /fs/mp/ifs/second-ifs -m / &		mount_ifs -b -f /fs/mp/ifs/second-ifs -m / &
	</pre>		</pre><code>mount_ifs</code> help:<pre>

	<pre>
	# use mount_ifs		# use mount_ifs
	mount_ifs mount-ifs Utility		mount_ifs mount-ifs Utility
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	</pre>		</pre>

	== ~~Commands~~ == <!--T:1-->		== Useful commands & tools == <!--T:1-->

	~~Mountpoint: <code>/fs/mp/ifs</code>~~
	~~Called from startup script~~

	<pre>		<pre>
	mount -uw /fs/mp/ #remount to RW		mount -uw /fs/mp/ #remount to RW
	</pre>		</pre>Custom scripts (available in '''FMods Tools Package'''):<pre>
			/fs/rwdata/dev/remount_rw.sh # Remount /fs/mp with RW permissions
	<pre>		/fs/rwdata/dev/remount_ro.sh # Remount /fs/mp with RO permissions
	/fs/rwdata/dev/remount_rw.sh # ~~Custom script (available in FMods Tools Package) to mount~~ /fs/mp with RW permissions
	/fs/rwdata/dev/remount_ro.sh # ~~Custom script (available in FMods Tools Package) to mount~~ /fs/mp with RO permissions
	</pre>		</pre>

Admin: Created page with "== Bootloader + Startup IFS == https://www.qnx.com/developers/docs/7.1/#com.qnx.doc.neutrino.building/topic/intro/intro_startup_sequence.html MLO - ROM monitor or Multimedia card Loader. Startup IFS - Startup program, QNX kernel and rootfs Layout on EMMC flash:

 Block#    Offset in bytes          Name --------------------------------------------------- 0x0000    0x0000000                MBR 0x0002    0x0000400 (1024)         bo..."

2024-05-26T22:52:01Z

Created page with "== Bootloader + Startup IFS ==  https://www.qnx.com/developers/docs/7.1/#com.qnx.doc.neutrino.building/topic/intro/intro_startup_sequence.html <code>MLO</code> - ROM monitor or Multimedia card Loader. <code>Startup IFS</code> - Startup program, QNX kernel and rootfs Layout on EMMC flash: <pre> Block# Offset in bytes Name --------------------------------------------------- 0x0000 0x0000000 MBR 0x0002 0x0000400 (1024) bo..."

New page

== Bootloader + Startup IFS == 
https://www.qnx.com/developers/docs/7.1/#com.qnx.doc.neutrino.building/topic/intro/intro_startup_sequence.html

<code>MLO</code> - ROM monitor or Multimedia card Loader.
<code>Startup IFS</code> - Startup program, QNX kernel and rootfs

Layout on EMMC flash:
<pre>
Block# Offset in bytes Name
---------------------------------------------------
0x0000 0x0000000 MBR
0x0002 0x0000400 (1024) boot bank info
0x0100 0x0020000 (131072) MLO
0x0184 0x0030800 (198656) IFS first bank
0x7cd2 0x0F9A400 (16360448) IFS second bank
</pre>

== Bootloader + Startup IFS == 
<pre>
# fdisk /dev/hd0 show -l

_____OS_____ Start End ______Number______ Size Boot
name type Block Block Cylinders Blocks

1. DOS 6 32 65535 32 65504 31 MB *
2. QNX6 177 65536 3211263 1536 3145728 1536 MB
3. QNX6 178 3211264 6356991 1536 3145728 1536 MB
4. Extd'd 5 6356992 122142719 56536 115785728 56536 MB
4.1 nonQNX 180 6357024 119595007 55292 113237984 55291 MB
4.2 BSD 181 119595040 122138623 1242 2543584 1241 MB
4.3 nonQNX 182 122138656 122142719 2 4064 1 MB
</pre>

== hd0t180 == 

Mountpoint: <code>/fs/images</code>
Called from startup script(startupIFS)

<pre>
mount -b -t qnx6 -o noatime,alignio /dev/hd0t180 /fs/images
</pre>

== hd0t177 or hd0t178 == 

Mountpoint: <code>/fs/mp</code>
Called from <code>/etc/script_mnt.sh</code> (startupIFS)

<pre>
mmc_get_act /dev/hd0 0 > /tmp/mmcinfo
mount -b -r -t qnx6 -o snapshot=0,noatime,alignio $MMC_ACT_FS_PART /fs/mp
</pre>

<pre>
# cat /tmp/mmcinfo
MMC_ACT_FS_PART=/dev/hd0t177
MMC_PAS_FS_PART=/dev/hd0t178
MMC_ACT_IFS=0
MMC_PAS_IFS=1
ACT_IFS_ERROR=0
ACT_FS_ERROR=0
STARTUP_IFS_ERROR=0
</pre>

== hd0t181 == 

Mountpoint: <code>/fs/rwdata</code>
Called from startup script (startupIFS)

<pre>
mount -b -t qnx6 -o alignio /dev/hd0t181 /fs/rwdata &
</pre>

== IFSs == 

Mountpoint: <code>/fs/mp/ifs</code>
Called from startup script

<pre>
mount_ifs -b -f /fs/mp/ifs/renderer-ifs -m / &
mount_ifs -b -f /fs/mp/ifs/quickapps-ifs -m / &
mount_ifs -b -f /fs/mp/ifs/second-ifs -m / &
</pre>

<pre>
# use mount_ifs
mount_ifs mount-ifs Utility

Syntax: mount-ifs [-f filename][-m mountpoint]

Options:
-f filename source ifs file name
-m mount point
-b daemonize before the real transfer (default is after).
-T create a separate thread to do the decompress in parallel.
</pre>

== Mount images == 

Called from <code>sh /etc/mount_all_images.sh</code>

== Some info == 

<pre>
# ls -la /fs/images/
total 41277473
drwxrwxr-x 5 root root 4096 Jan 01 1970 .
drwxr-xr-t 2 root root 10 Jan 01 1970 ..
drwx------ 2 root root 4096 Jan 01 1970 .boot
drwxrwxrwx 4 root root 4096 Jan 01 00:10 ivsu_cache
drwxrwxrwx 2 root root 4096 Jan 01 00:10 ivsu_installcache
-rw-rw-rw- 1 root root 3351511040 Jan 01 1970 map_comn.img
-rw-rw-rw- 1 root root 3456892928 Jan 01 1970 map_euc.img
-rw-rw-rw- 1 root root 3985637376 Jan 01 1970 map_eue.img
-rw-rw-rw- 1 root root 3018063872 Jan 01 1970 map_eus.img
-rw-rw-rw- 1 root root 1243611136 Jan 01 1970 map_ext.img
-rw-rw-rw- 1 root root 76283904 Jan 01 1970 station_logos.img
-rw-rw-rw- 1 root root 2072248320 Jan 01 1970 voice.img
-rw-rw-rw- 1 root root 3929800704 Jan 01 1970 voice_nav_eucpr.img
</pre>

<pre>
# df -h
/fs/rwdata/ppsp 0 0 0 100% /ppsp
/dev/blk/ram-0-allo 128M 1.2M 127M 1% /fs/tmpfs/
/fs/images/map_ext. 1.1G 1.1G 892K 100% /fs/sd/MAP/
/fs/images/map_eus. 2.8G 2.7G 14M 100% /fs/sd/MAP/
/fs/images/map_eue. 3.7G 3.6G 21M 100% /fs/sd/MAP/
/fs/images/map_euc. 3.2G 3.2G 5.7M 100% /fs/sd/MAP/
/fs/images/map_comn 3.1G 3.0G 24M 100% /fs/sd/MAP/
/fs/images/voice_na 3.6G 3.6G 35M 100% /fs/Nuance/
/fs/images/voice.im 1.9G 1.9G 8.4M 100% /fs/Nuance/
/dev/hd0t181 1.2G 849M 393M 69% /fs/rwdata/
/dev/diagscratch0 35M 30K 35M 1% /fs/rwdata/quip/
/dev/diagevents0 90M 68K 90M 1% /fs/rwdata/quip/
/dev/hd0t177 1.4G 1.3G 126M 92% /fs/mp/
/fs/images/station_ 73M 72M 432K 100% /fs/mp/resources
/dev/hd0t180 54G 22G 32G 41% /fs/images/
/var/pps 0 0 0 100% /pps
/dev/hd0 1.9M 1.9M 0 100% /dev/hd0t182
/dev/hd0 1.5G 1.5G 0 100% /dev/hd0t178
/dev/hd0 32M 32M 0 100% /dev/hd0t6
/dev/hd0 58G 58G 0 100%
</pre>

<pre>
# mount
/fs/rwdata/ppsp on /ppsp type PPS
/dev/blk/ram-0-alloc-0-tmp on /fs/tmpfs type tmp
/fs/images/map_ext.img on /fs/sd/MAP type qnx6
/fs/images/map_eus.img on /fs/sd/MAP type qnx6
/fs/images/map_eue.img on /fs/sd/MAP type qnx6
/fs/images/map_euc.img on /fs/sd/MAP type qnx6
/fs/images/map_comn.img on /fs/sd/MAP type qnx6
/fs/images/voice_nav_eucpr.img on /fs/Nuance type qnx6
/fs/images/voice.img on /fs/Nuance type qnx6
/dev/hd0t181 on /fs/rwdata type qnx6
/dev/diagscratch0 on /fs/rwdata/quip/forensics type qnx4
/dev/diagevents0 on /fs/rwdata/quip/events type qnx4
/dev/hd0t177 on /fs/mp type qnx6
/fs/images/station_logos.img on /fs/mp/resources/station_logo/Logo type qnx6
/dev/hd0t180 on /fs/images type qnx6
/var/pps on /pps type PPS
</pre>

== Commands == 

Mountpoint: <code>/fs/mp/ifs</code>
Called from startup script

<pre>
mount -uw /fs/mp/ #remount to RW
</pre>

<pre>
/fs/rwdata/dev/remount_rw.sh # Custom script (available in FMods Tools Package) to mount /fs/mp with RW permissions
/fs/rwdata/dev/remount_ro.sh # Custom script (available in FMods Tools Package) to mount /fs/mp with RO permissions
</pre>

Disk subsystem - Revision history

BigUncleMax: Minor formatting fixes