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Update changelog and migration guide

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This reflect changes to the config version symbols.

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
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Bence Szépkúti
2021-06-21 17:14:41 +02:00
parent 2bb7456334
commit 36da4ccc51
2 changed files with 18 additions and 10 deletions
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14
docs/3.0-migration-guide.d/split_config.md
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@@ -9,8 +9,12 @@ change the build configuration, and should generally only be included from
into `build_info.h`, including the handling of the `MBEDTLS_CONFIG_FILE`
macro.
Mandatory version symbols were introduced for `MBEDTLS_CONFIG_FILE` and
`MBEDTLS_USER_CONFIG_FILE`, `MBEDTLS_CONFIG_VERSION` and
`MBEDTLS_USER_CONFIG_VERSION` respectively. Both config files should include
a definiton of their respective version symbol, with a value of `1` to be
considered valid.
Config file symbols `MBEDTLS_CONFIG_VERSION` and `MBEDTLS_USER_CONFIG_VERSION`
were introduced for use in `MBEDTLS_CONFIG_FILE` and
`MBEDTLS_USER_CONFIG_FILE` respectively.
Defining them to a particular value will ensure that mbedtls interprets
the config file in a way that's compatible with the config file format
indicated by the value.
The config file versions are based on the value of `MBEDTLS_VERSION_NUMBER`
of the mbedtls version that first introduced that config file format.
The only value currently supported is `0x03000000`.