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Improve tests for dtc overlay generation

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So far, the tests for generating runtime overlays with dtc weren't checking
the syntactic sugar.  This adds such a test.

Furthermore the existing tests were only minimally testing dtc's output
for the overlay.  This adds a test comparing the dtc output with the
more or less manually constructed overlays we already have for testing
libfdt's overlay application code.  This does require some minor changes
to that manually constructed overlay which don't change the sematics but
re-order / rename things to match the way dtc does it.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
David Gibson 2018-03-06 13:45:23 +11:00
parent aadd0b65c9
commit 119e273003
4 changed files with 154 additions and 89 deletions
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38
tests/overlay_overlay_manual_fixups.dts
View file

@ -50,7 +50,7 @@
};
};
fragment@5 {
fragment@4 {
target = <0xffffffff /*&test*/>;
__overlay__ {
@ -60,7 +60,7 @@
};
};
fragment@6 {
fragment@5 {
target = <0xffffffff /*&test*/>;
__overlay__ {
@ -68,7 +68,7 @@
};
};
fragment@7 {
fragment@6 {
target = <0xffffffff /*&test*/>;
__overlay__ {
@ -76,7 +76,7 @@
};
};
fragment@8 {
fragment@7 {
target = <0xffffffff /*&test*/>;
__overlay__ {
@ -86,27 +86,27 @@
};
};
__local_fixups__ {
fragment@6 {
__overlay__ {
test-phandle = <4>;
};
};
fragment@7 {
__overlay__ {
test-several-phandle = <0 4>;
};
};
};
__fixups__ {
test = "/fragment@0:target:0",
"/fragment@1:target:0",
"/fragment@2:target:0",
"/fragment@3:target:0",
"/fragment@4:target:0",
"/fragment@5:target:0",
"/fragment@5/__overlay__:test-phandle:0",
"/fragment@6:target:0",
"/fragment@6/__overlay__:test-phandle:0",
"/fragment@7:target:0",
"/fragment@8:target:0";
"/fragment@7:target:0";
};
__local_fixups__ {
fragment@5 {
__overlay__ {
test-phandle = <4>;
};
};
fragment@6 {
__overlay__ {
test-several-phandle = <0 4>;
};
};
};
};