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fcf25c22d1
This patch covers the resolution of the ROM route for child binaries
via the generic label-rewriting mechanics. Now, the <binary> node has
become merely sytactic sugar for a route like the following:
<start name="test"/>
<route>
<service name="ROM" unscoped_label="test">
<parent label="test-binary-name"/> </service>
...
</route>
...
</start>
A change of the binary name has an effect on the child's ROM route to
the binary and thereby implicitly triggers a child restart due to the
existing re-validation of the routing.
385 lines
12 KiB
Plaintext
385 lines
12 KiB
Plaintext
#
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# Build
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#
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set build_components { core init drivers/timer app/dummy test/init }
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build $build_components
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create_boot_directory
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#
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# Generate config
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#
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append config {
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<config>
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<parent-provides>
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<service name="ROM"/>
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<service name="RAM"/>
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<service name="CPU"/>
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<service name="PD"/>
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<service name="LOG"/>
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<service name="IRQ"/>
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<service name="IO_MEM"/>
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<service name="IO_PORT"/>
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</parent-provides>
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<default-route>
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<any-service> <parent/> <any-child/> </any-service>
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</default-route>
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<start name="timer">
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<resource name="RAM" quantum="1M"/>
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<provides><service name="Timer"/></provides>
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</start>
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<start name="report_rom">
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<resource name="RAM" quantum="2M"/>
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<provides> <service name="ROM"/> <service name="Report"/> </provides>
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<config verbose="no">
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<policy label="init -> init.config" report="test-init -> init.config"/>
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<policy label="test-init -> state" report="init -> state"/>
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</config>
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</start>
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<start name="test-init">
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<resource name="RAM" quantum="4M"/>
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<provides> <service name="LOG"/> </provides>
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<config>
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<!-- let init settle, processing the initially invalid config -->
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<sleep ms="150"/>
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<message string="test state reporting"/>
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<init_config version="initial">
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<report init_ram="yes" ids="yes" child_ram="yes" requested="yes"/>
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<parent-provides>
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<service name="ROM"/>
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<service name="RAM"/>
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<service name="CPU"/>
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<service name="PD"/>
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<service name="LOG"/>
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</parent-provides>
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<start name="application">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1G"/>
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<config>
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<log string="started"/>
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</config>
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<route> <any-service> <parent/> </any-service> </route>
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</start>
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</init_config>
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<expect_log string="[init -> application] started"/>
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<sleep ms="200"/>
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<expect_init_state>
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<attribute name="version" value="initial"/>
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<node name="child">
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<attribute name="name" value="application"/>
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<attribute name="binary" value="dummy"/>
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<node name="requested">
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<node name="session">
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<attribute name="service" value="PD"/>
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<attribute name="label" value="application"/>
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<attribute name="state" value="CAP_HANDED_OUT"/>
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</node>
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</node>
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</node>
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</expect_init_state>
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<message string="routing to custom log service"/>
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<init_config version="chained log services">
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<report ids="yes" requested="yes" provided="yes"/>
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<parent-provides>
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<service name="ROM"/>
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<service name="RAM"/>
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<service name="CPU"/>
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<service name="PD"/>
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<service name="LOG"/>
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</parent-provides>
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<start name="server">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1M"/>
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<provides> <service name="LOG"/> </provides>
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<config> <log_service/> </config>
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<route> <any-service> <parent/> </any-service> </route>
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</start>
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<start name="indirect_server">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1M"/>
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<provides> <service name="LOG"/> </provides>
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<config> <log_service/> </config>
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<route>
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<service name="LOG"> <child name="server"/> </service>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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<start name="client">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1M"/>
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<config> <log string="client started"/> </config>
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<route>
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<service name="LOG"> <child name="indirect_server"/> </service>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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</init_config>
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<expect_log string="[init -> server] [indirect_server] [client] client started"/>
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<sleep ms="200"/>
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<expect_init_state>
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<node name="child">
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<attribute name="name" value="server"/>
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<attribute name="id" value="2"/>
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</node>
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<node name="child">
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<attribute name="name" value="client"/>
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<attribute name="id" value="4"/>
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</node>
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</expect_init_state>
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<sleep ms="150"/>
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<message string="changing route of indirect server"/>
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<!-- Because the route to the LOG session of the 'indirect_server'
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is re-directed to the parent, the 'indirect_server' must be
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restarted. As the 'client' depends on the 'indirect_server'
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for its LOG session, the client must implicitly be restarted
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as well. -->
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<init_config version="restarted indirect server">
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<report ids="yes" requested="yes" provided="yes"/>
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<parent-provides>
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<service name="ROM"/>
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<service name="RAM"/>
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<service name="CPU"/>
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<service name="PD"/>
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<service name="LOG"/>
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</parent-provides>
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<start name="server">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1M"/>
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<provides> <service name="LOG"/> </provides>
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<config> <log_service/> </config>
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<route> <any-service> <parent/> </any-service> </route>
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</start>
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<start name="indirect_server">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1M"/>
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<provides> <service name="LOG"/> </provides>
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<config> <log_service/> </config>
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<route> <any-service> <parent/> </any-service> </route>
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</start>
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<start name="client">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1M"/>
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<config> <log string="client started"/> </config>
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<route>
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<service name="LOG"> <child name="indirect_server"/> </service>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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</init_config>
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<!-- the output of the new 'client' does no longer go via 'server' -->
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<expect_log string="[init -> indirect_server] [client] client started"/>
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<sleep ms="150"/>
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<expect_init_state>
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<node name="child">
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<attribute name="name" value="server"/>
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<attribute name="id" value="2"/>
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</node>
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<node name="child">
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<attribute name="name" value="client"/>
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<attribute name="id" value="6"/> <!-- client was restarted -->
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</node>
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</expect_init_state>
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<sleep ms="100"/>
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<message string="update child config"/>
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<init_config>
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<report ids="yes"/>
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<parent-provides>
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<service name="ROM"/> <service name="RAM"/>
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<service name="CPU"/> <service name="PD"/>
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<service name="LOG"/>
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</parent-provides>
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<start name="application">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1M"/>
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<config version="Version A"/>
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<route> <any-service> <parent/> </any-service> </route>
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</start>
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</init_config>
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<expect_log string="[init -> application] config 1: Version A"/>
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<init_config>
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<report ids="yes"/>
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<parent-provides>
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<service name="ROM"/> <service name="RAM"/>
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<service name="CPU"/> <service name="PD"/>
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<service name="LOG"/>
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</parent-provides>
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<start name="application">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1M"/>
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<config version="Version B"/>
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<route> <any-service> <parent/> </any-service> </route>
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</start>
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</init_config>
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<expect_log string="[init -> application] config 2: Version B"/>
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<sleep ms="100"/>
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<message string="test label rewritiong and binary-name update"/>
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<init_config>
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<parent-provides>
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<service name="ROM"/> <service name="RAM"/>
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<service name="CPU"/> <service name="PD"/>
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<service name="LOG"/>
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</parent-provides>
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<start name="test">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1M"/>
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<config version="binary-name test"/>
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<route>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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</init_config>
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<expect_log string="[init -> test] config 1: binary-name test"/>
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<!-- We change the binary name, but also use the label-rewriting
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feature of init to produce the same route as the original
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binary. Consequently, init does not need to restart the
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child. Instead the original child merely prints a new
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config version (count 2). -->
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<init_config>
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<parent-provides>
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<service name="ROM"/> <service name="RAM"/>
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<service name="CPU"/> <service name="PD"/>
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<service name="LOG"/>
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</parent-provides>
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<start name="test">
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<binary name="renamed_dummy"/>
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<resource name="RAM" quantum="1M"/>
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<config version="binary re-routed to same route"/>
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<route>
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<service name="ROM" unscoped_label="renamed_dummy">
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<parent label="dummy"/> </service>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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</init_config>
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<expect_log string="[init -> test] config 2: binary re-routed to same route"/>
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<!-- We change the binary name in a way that results in a
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different route for the binary ROM request, which requires
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restart of the child. The config version printed by the
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new child will have a count of 1. -->
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<init_config>
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<parent-provides>
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<service name="ROM"/> <service name="RAM"/>
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<service name="CPU"/> <service name="PD"/>
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<service name="LOG"/>
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</parent-provides>
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<start name="test">
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<binary name="another_dummy"/>
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<resource name="RAM" quantum="1M"/>
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<config version="binary re-routed to other route"/>
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<route>
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<service name="ROM" unscoped_label="renamed_dummy">
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<parent label="dummy"/> </service>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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</init_config>
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<expect_log string="[init -> test] config 1: binary re-routed to other route"/>
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<sleep ms="100"/>
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<message string="test RAM preservation"/>
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<init_config>
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<report init_ram="yes"/>
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<resource name="RAM" preserve="2M"/>
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<parent-provides>
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<service name="ROM"/> <service name="RAM"/>
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<service name="CPU"/> <service name="PD"/>
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<service name="LOG"/>
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</parent-provides>
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<start name="regular">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1M"/>
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<config> <log string="regular component started"/> </config>
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<route> <any-service> <parent/> </any-service> </route>
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</start>
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<start name="greedy">
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<binary name="dummy"/>
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<resource name="RAM" quantum="1G"/>
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<config> <log string="greedy component started"/> </config>
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<route> <any-service> <parent/> </any-service> </route>
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</start>
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</init_config>
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<sleep ms="250"/>
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<!-- wait until both children are started -->
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<expect_init_state>
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<node name="child"> <attribute name="name" value="regular"/> </node>
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<node name="child"> <attribute name="name" value="greedy"/> </node>
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</expect_init_state>
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<expect_init_state>
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<node name="ram"> <attribute name="avail" higher="2M"/> </node>
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</expect_init_state>
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<sleep ms="100"/>
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</config>
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<route>
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<service name="Report"> <child name="report_rom"/> </service>
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<service name="ROM" label="state"> <child name="report_rom"/> </service>
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<service name="Timer"> <child name="timer"/> </service>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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<start name="init">
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<binary name="init"/>
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<resource name="RAM" quantum="16M"/>
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<configfile name="init.config"/>
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<route>
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<service name="ROM" label="init.config"> <child name="report_rom"/> </service>
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<service name="Report"> <child name="report_rom"/> </service>
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<service name="LOG"> <child name="test-init"/> </service>
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<service name="Timer"> <child name="timer"/> </service>
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<!-- alias for the binary as requested by the binary-name update test -->
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<service name="ROM" label="another_dummy">
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<parent label="dummy"/> </service>
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<any-service> <parent/> </any-service>
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</route>
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</start>
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</config>}
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install_config $config
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#
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# Boot modules
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#
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set boot_modules { core ld.lib.so init timer report_rom test-init dummy }
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build_boot_image $boot_modules
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append qemu_args " -nographic "
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run_genode_until {.*child "test-init" exited with exit value 0.*} 60
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