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Services (edit)

Revision as of 00:39, 30 October 2024

1,752 bytes added ,  00:39, 30 October 2024
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Processes with PID less than or equal to the number of NATIVE_FIRM built-in modules (fs, sm, pm, pxi, ldr) have access to all services. This value is obtained from [[SVC|svcGetSystemInfo]]. Other processes are limited to access services listed in their [[NCCH/Extended_Header#ARM11_Local_System_Capabilities|service access control list]], as passed to [[SRVPM:RegisterProcess]].
 
Processes with PID less than or equal to the number of NATIVE_FIRM built-in modules (fs, sm, pm, pxi, ldr) have access to all services. This value is obtained from [[SVC|svcGetSystemInfo]]. Other processes are limited to access services listed in their [[NCCH/Extended_Header#ARM11_Local_System_Capabilities|service access control list]], as passed to [[SRVPM:RegisterProcess]].
   −
Attempting to use [[SRV:GetServiceSession|GetServiceSession]] with a service that the process has access to when that service isn't registered, results in [[SVC|svcSendSyncRequest]] never returning(the exact cause is unknown).
+
Attempting to use [[SRV:GetServiceHandle|GetServiceHandle]] with a service that the process has access to when that service isn't registered will block until it is registered.
    
==Service Manager Port "srv:"==
 
==Service Manager Port "srv:"==
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|}
 
|}
   −
It appears these "port" commands can be used for transferring arbitrary handles, however [[SRV:GetPort|GetPort]] still uses service-access-control validation like [[SRV:GetServiceHandle|GetServiceHandle]].
+
It appears these "port" commands can be used for transferring arbitrary handles, however [[SRV:GetPort|GetPort]] still uses the same service-access-control validation as [[SRV:GetServiceHandle|GetServiceHandle]]. Despite this fact, it appears that a "port" and a service with the same name can coexist independently.
    
==Service Manager Process-Manager Port/Service "srv:pm"==
 
==Service Manager Process-Manager Port/Service "srv:pm"==
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|-
 
|-
 
!  ID
 
!  ID
 +
!  Published by
 +
!  Subscribed by
 
!  Description
 
!  Description
 
|-
 
|-
 
| 0x100
 
| 0x100
−
| This indicates that all processes must terminate: power-off, reboot, or [[FIRM]]-launch.
+
|
 +
| Not Needed
 +
| This indicates that the recipient must terminate.
 +
|-
 +
| 0x101
 +
| PTM
 +
| NS
 +
| Signaled on sleep mode entry.
 +
|-
 +
| 0x102
 +
| PTM
 +
| NS
 +
| Sleep Mode related?
 +
|-
 +
| 0x103
 +
| PTM
 +
| NS, CSND, NWM, AC, NIM
 +
| Fired on sleep mode entry (Kernel state is modified by PTM after publishing this)
 
|-
 
|-
 
| 0x104
 
| 0x104
−
| This indicates that the system is entering sleep mode. (PTM:NotifySleepPreparationComplete needed for this and the following?)
+
| PTM
 +
| HID
 +
| This indicates that the system is entering sleep mode. (Kernel state is modified by PTM before publishing this)
 
|-
 
|-
 
| 0x105
 
| 0x105
 +
| PTM
 +
| NS, DSP, CSND, GSP, CODEC, CAMERA, HID, QTM, MIC, IR, NWM, FRIENDS, AC, CECD, ACT, NDM, NIM
 
| This indicates that the system has exited sleep mode.
 
| This indicates that the system has exited sleep mode.
 +
|-
 +
| 0x106
 +
| PTM
 +
| NS, MIC, AC, NEWS, CECD, BOSS
 +
| Fired after sleep mode exit.
 
|-
 
|-
 
| 0x107
 
| 0x107
−
| Unknown. Subscribed to by CECD module.
+
| PTM
 +
| NWM, CECD, BOSS, NDM, NIM, NEWS
 +
| Unknown.
 
|-
 
|-
 
| 0x108
 
| 0x108
−
| error at boot?
+
| PTM
 +
| GSP, QTM
 +
| System is going to Power Down.
 
|-
 
|-
 
| 0x109
 
| 0x109
−
| ? (Subscribed to by GSP)
+
| CFG
 +
| GSP
 +
| CFG block 0x00050001 has been modified, change LCD brightness/PWM settings
 +
|-
 +
| 0x10B
 +
| CFG
 +
| CAMERA
 +
| ?
 
|-
 
|-
 
| 0x10C
 
| 0x10C
−
| Unknown.
+
| PM
 +
|
 +
| A Regular application has started.
 
|-
 
|-
 
| 0x110-0x11F
 
| 0x110-0x11F
−
| Unknown. See [[PMApp:LaunchTitle#Launch_Flags|PM launch flags]].
+
| PM
 +
| NS
 +
| Sent on application exit. See [[PMApp:LaunchTitle#Launch_Flags|PM launch flags]].
 
|-
 
|-
 
| 0x179
 
| 0x179
−
| Unknown.
+
| PM
 +
| PTM, NS
 +
| All processes other than PTM and NS have terminated.
 +
|-
 +
| 0x200
 +
|
 +
| NS
 +
| Signaled just before sleep mode is exited from.
 
|-
 
|-
 
| 0x202
 
| 0x202
 +
| MCU
 +
| NS
 
| POWER button pressed
 
| POWER button pressed
 
|-
 
|-
 
| 0x203
 
| 0x203
 +
| MCU
 +
| NS
 
| POWER button held long
 
| POWER button held long
 
|-
 
|-
 
| 0x204
 
| 0x204
 +
| MCU
 +
| NS
 
| HOME button pressed
 
| HOME button pressed
 
|-
 
|-
 
| 0x205
 
| 0x205
 +
| MCU
 +
| NS
 
| HOME button released
 
| HOME button released
 
|-
 
|-
 
| 0x206
 
| 0x206
−
| This is signaled by [[NWMEXT:ControlWirelessEnabled]] and when the physical Wi-Fi slider is enabled
+
| MCU / NWM
 +
| NWM
 +
| The physical Wi-Fi slider state changed
 
|-
 
|-
 
| 0x207
 
| 0x207
 +
|
 +
| MENU
 
| SD card inserted
 
| SD card inserted
 
|-
 
|-
 
| 0x208
 
| 0x208
 +
|
 +
| MENU
 
| Game cartridge inserted
 
| Game cartridge inserted
 
|-
 
|-
 
| 0x209
 
| 0x209
 +
|
 +
| NS, MENU
 
| SD card removed
 
| SD card removed
 
|-
 
|-
 
| 0x20A
 
| 0x20A
 +
|
 +
| NS, MENU
 
| Game cartridge removed
 
| Game cartridge removed
 
|-
 
|-
 
| 0x20B
 
| 0x20B
 +
|
 +
| NS, MENU
 
| Game cartridge inserted or removed
 
| Game cartridge inserted or removed
 
|-
 
|-
 
| 0x20C
 
| 0x20C
−
| mcu-module publishes this on a (fatal) hardware condition?, ptm throws fatal error F960D407 in receipt of this
+
| MCU
 +
| PTM
 +
| Published on a fatal hardware condition, when the MCU WDT triggers, ptm throws fatal error F960D407 in receipt of this
 
|-
 
|-
 
| 0x20D
 
| 0x20D
−
| ? (Subscribed to by GSP)
+
| MCU
 +
| GSP
 +
| Charger plugged out.
 
|-
 
|-
 
| 0x20E
 
| 0x20E
−
| ? (Subscribed to by GSP)
+
| MCU
 +
| GSP
 +
| Charger plugged in.
 +
|-
 +
| 0x20F
 +
| MCU
 +
|
 +
| Published by the mcu module when (bitmask & 0x8000) is true (started charging). This bitmask is obtained by reading i2c register 0x10.
 +
|-
 +
| 0x210
 +
| MCU
 +
|
 +
| Published by the mcu module when (bitmask & 0x4000) is true (stopped charging). This bitmask is obtained by reading i2c register 0x10.
 +
|-
 +
| 0x211
 +
| PTM
 +
|
 +
| Battery very low (5%)
 +
|-
 +
| 0x212
 +
| PTM
 +
|
 +
| Battery low (10%)
 
|-
 
|-
 
| 0x213
 
| 0x213
−
| ? (Subscribed to by GSP)
+
| NS
 +
| CODEC, HID, GSP, CAMERA, MIC, NDM, QTM, PTM
 +
| Shell opened.
 
|-
 
|-
 
| 0x214
 
| 0x214
−
| ? (Subscribed to by GSP)
+
| NS
 +
| CODEC, HID, GSP, CAMERA, MIC, NDM, QTM, PTM.
 +
| Shell closed.
 +
|-
 +
| 0x300
 +
| AC
 +
| NDM, MENU
 +
| Signaled after sleep mode exit and during system boot.
 +
|-
 +
| 0x301
 +
| AC
 +
| FRIENDS, NDM
 +
| Signaled just before sleep mode is exited from.
 
|-
 
|-
 
| 0x302
 
| 0x302
−
| Unknown. Signaled by nwm module.
+
| NWM
 +
| NDM, SOCKET, FRIENDS, AC
 +
| WiFi is turning off, triggered by using the WiFi switch on O3DS models and the toggle in the N3DS HOME menu (maybe disconnecting from any connected networks?)
 
|-
 
|-
 
| 0x303
 
| 0x303
−
| Unknown. Subscribed to by CECD module.
+
| NWM
 +
| CECD, NDM
 +
| WiFi has turned off. (fires shortly after 0x302)
 
|-
 
|-
 
| 0x304
 
| 0x304
−
| Unknown. Subscribed to by CECD module.
+
| NWM
 +
| CECD, NDM, SOCKET
 +
| WiFi was turned on.
 
|}
 
|}
 +
[[Category:Services]]
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Retrieved from "https://www.3dbrew.org/wiki/Special:MobileDiff/18797...22791"

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