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| author | Louis Mayencourt <louis.mayencourt@arm.com> | 2019-10-01 10:45:14 +0100 |
|---|---|---|
| committer | Louis Mayencourt <louis.mayencourt@arm.com> | 2020-02-07 13:51:32 +0000 |
| commit | 6c9723176019cb5327d5be0e952583809b714f5f (patch) | |
| tree | 33c0efea4dfb855e56b9aff9a999682ecf5b02a3 /lib/fconf | |
| parent | ce8528411a95d4e988844d5d16b5af2828f9f407 (diff) | |
| download | arm-trusted-firmware-6c9723176019cb5327d5be0e952583809b714f5f.tar.gz | |
fconf: Add mbedtls shared heap as property
Use the firmware configuration framework in arm dynamic configuration
to retrieve mbedtls heap information between bl1 and bl2.
For this, a new fconf getter is added to expose the device tree base
address and size.
Change-Id: Ifa5ac9366ae100e2cdd1f4c8e85fc591b170f4b6
Signed-off-by: Louis Mayencourt <louis.mayencourt@arm.com>
Diffstat (limited to 'lib/fconf')
| -rw-r--r-- | lib/fconf/fconf_tbbr_getter.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/fconf/fconf_tbbr_getter.c b/lib/fconf/fconf_tbbr_getter.c index 29f67caec..c6df9c876 100644 --- a/lib/fconf/fconf_tbbr_getter.c +++ b/lib/fconf/fconf_tbbr_getter.c @@ -47,8 +47,27 @@ int fconf_populate_tbbr_dyn_config(uintptr_t config) dyn_disable_auth(); #endif + /* Retrieve the Mbed TLS heap details from the DTB */ + err = fdtw_read_cells(dtb, node, + "mbedtls_heap_addr", 2, &tbbr_dyn_config.mbedtls_heap_addr); + if (err < 0) { + ERROR("FCONF: Read cell failed for mbedtls_heap\n"); + return err; + } + + err = fdtw_read_cells(dtb, node, + "mbedtls_heap_size", 1, &tbbr_dyn_config.mbedtls_heap_size); + if (err < 0) { + ERROR("FCONF: Read cell failed for mbedtls_heap\n"); + return err; + } + VERBOSE("FCONF:tbbr.disable_auth cell found with value = %d\n", tbbr_dyn_config.disable_auth); + VERBOSE("FCONF:tbbr.mbedtls_heap_addr cell found with value = %p\n", + tbbr_dyn_config.mbedtls_heap_addr); + VERBOSE("FCONF:tbbr.mbedtls_heap_size cell found with value = %zu\n", + tbbr_dyn_config.mbedtls_heap_size); return 0; } |