On 07/07/2017 09:48 AM, Moritz Fischer wrote:
> Hi Pantelis,
>
> nit inline
>
> On Fri, Jun 30, 2017 at 9:23 AM, Pantelis Antoniou
> <pantelis.anton...@konsulko.com> wrote:
>> Verify that stacked overlays work.
>>
>> Signed-off-by: Pantelis Antoniou <pantelis.anton...@konsulko.com>
>
> Reviewed-by: Moritz Fischer <moritz.fisc...@ettus.com>
>> ---
>> test/overlay/Makefile | 1 +
>> test/overlay/cmd_ut_overlay.c | 34
>> ++++++++++++++++++++++++++++++-
>> test/overlay/test-fdt-overlay-stacked.dts | 21 +++++++++++++++++++
>> 3 files changed, 55 insertions(+), 1 deletion(-)
>> create mode 100644 test/overlay/test-fdt-overlay-stacked.dts
>>
>> diff --git a/test/overlay/Makefile b/test/overlay/Makefile
>> index 907f085..416645c 100644
>> --- a/test/overlay/Makefile
>> +++ b/test/overlay/Makefile
>> @@ -13,3 +13,4 @@ DTC_FLAGS += -@
>> # DT overlays
>> obj-y += test-fdt-base.dtb.o
>> obj-y += test-fdt-overlay.dtb.o
>> +obj-y += test-fdt-overlay-stacked.dtb.o
>> diff --git a/test/overlay/cmd_ut_overlay.c b/test/overlay/cmd_ut_overlay.c
>> index cbef720..d8f5c8f 100644
>> --- a/test/overlay/cmd_ut_overlay.c
>> +++ b/test/overlay/cmd_ut_overlay.c
>> @@ -20,6 +20,7 @@
>>
>> extern u32 __dtb_test_fdt_base_begin;
>> extern u32 __dtb_test_fdt_overlay_begin;
>> +extern u32 __dtb_test_fdt_overlay_stacked_begin;
>>
>> static int fdt_getprop_u32_by_index(void *fdt, const char *path,
>> const char *name, int index,
>> @@ -201,6 +202,19 @@ static int fdt_overlay_local_phandles(struct
>> unit_test_state *uts)
>> }
>> OVERLAY_TEST(fdt_overlay_local_phandles, 0);
>>
>> +static int fdt_overlay_stacked(struct unit_test_state *uts)
>> +{
>> + void *fdt = uts->priv;
>> + u32 val = 0;
>> +
>> + ut_assertok(fdt_getprop_u32(fdt, "/new-local-node",
>> "stacked-test-int-property",
>> + &val));
>> + ut_asserteq(43, val);
>> +
>> + return CMD_RET_SUCCESS;
>> +}
>> +OVERLAY_TEST(fdt_overlay_stacked, 0);
>> +
>> int do_ut_overlay(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
>> {
>> struct unit_test *tests = ll_entry_start(struct unit_test,
>> @@ -210,7 +224,8 @@ int do_ut_overlay(cmd_tbl_t *cmdtp, int flag, int argc,
>> char * const argv[])
>> struct unit_test *test;
>> void *fdt_base = &__dtb_test_fdt_base_begin;
>> void *fdt_overlay = &__dtb_test_fdt_overlay_begin;
>> - void *fdt_base_copy, *fdt_overlay_copy;
>> + void *fdt_overlay_stacked = &__dtb_test_fdt_overlay_stacked_begin;
>> + void *fdt_base_copy, *fdt_overlay_copy, *fdt_overlay_stacked_copy;
>>
>> uts = calloc(1, sizeof(*uts));
>> if (!uts)
>> @@ -228,6 +243,10 @@ int do_ut_overlay(cmd_tbl_t *cmdtp, int flag, int argc,
>> char * const argv[])
>> if (!fdt_overlay_copy)
>> return -ENOMEM;
>>
>> + fdt_overlay_stacked_copy = malloc(FDT_COPY_SIZE);
>> + if (!fdt_overlay_stacked_copy)
>> + return -ENOMEM;
>> +
>> /*
>> * Resize the FDT to 4k so that we have room to operate on
>> *
>> @@ -245,9 +264,21 @@ int do_ut_overlay(cmd_tbl_t *cmdtp, int flag, int argc,
>> char * const argv[])
>> ut_assertok(fdt_open_into(fdt_overlay, fdt_overlay_copy,
>> FDT_COPY_SIZE));
>>
>> + /*
>> + * Resize the stacked overlay to 4k so that we have room to operate
>> on
>> + *
>> + * (and relocate it since the memory might be mapped
>> + * read-only)
>> + */
>> + ut_assertok(fdt_open_into(fdt_overlay_stacked,
>> fdt_overlay_stacked_copy,
>> + FDT_COPY_SIZE));
>> +
>> /* Apply the overlay */
>> ut_assertok(fdt_overlay_apply(fdt_base_copy, fdt_overlay_copy));
>>
>> + /* Apply the stacked overlay */
>> + ut_assertok(fdt_overlay_apply(fdt_base_copy,
>> fdt_overlay_stacked_copy));
>> +
>> if (argc == 1)
>> printf("Running %d environment tests\n", n_ents);
>>
>> @@ -263,6 +294,7 @@ int do_ut_overlay(cmd_tbl_t *cmdtp, int flag, int argc,
>> char * const argv[])
>>
>> printf("Failures: %d\n", uts->fail_count);
>>
>> + free(fdt_overlay_stacked_copy);
>> free(fdt_overlay_copy);
>> free(fdt_base_copy);
>> free(uts);
>> diff --git a/test/overlay/test-fdt-overlay-stacked.dts
>> b/test/overlay/test-fdt-overlay-stacked.dts
>> new file mode 100644
>> index 0000000..9fb7c7b
>> --- /dev/null
>> +++ b/test/overlay/test-fdt-overlay-stacked.dts
>> @@ -0,0 +1,21 @@
>> +/*
>> + * Copyright (c) 2016 NextThing Co
>> + * Copyright (c) 2016 Free Electrons
>> + * Copyright (c) 2018 Konsulko Group
>
> Are you time-traveling or anticipating a long review process ;-)
After the configfs stuff in Linux, I think the later ;-)
--
Best regards,
Marek Vasut
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