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Support shared Mbed TLS heap for SGM

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Change-Id: Ibbfedb6601feff51dfb82c1d94850716c5a36d24
Signed-off-by: John Tsichritzis <john.tsichritzis@arm.com>
This commit is contained in:
John Tsichritzis 2018-08-22 12:55:41 +01:00
parent 7cdb43470a
commit 2a579540a6
3 changed files with 24 additions and 0 deletions
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11
plat/arm/css/sgm/fdts/sgm_tb_fw_config.dts
View file

@ -12,5 +12,16 @@
compatible = "arm,tb_fw";
hw_config_addr = <0x0 0x83000000>;
hw_config_max_size = <0x01000000>;
/*
* The following two entries are placeholders for Mbed TLS
* heap information. The default values don't matter since
* they will be overwritten by BL1.
* In case of having shared Mbed TLS heap between BL1 and BL2,
* BL1 will populate these two properties with the respective
* info about the shared heap. This info will be available for
* BL2 in order to locate and re-use the heap.
*/
mbedtls_heap_addr = <0x0 0x0>;
mbedtls_heap_size = <0x0>;
};
};

3
plat/arm/css/sgm/sgm_mmap_config.c
View file

@ -42,6 +42,9 @@ const mmap_region_t plat_arm_mmap[] = {
ARM_MAP_TSP_SEC_MEM,
#ifdef SPD_opteed
ARM_OPTEE_PAGEABLE_LOAD_MEM,
#endif
#if TRUSTED_BOARD_BOOT && LOAD_IMAGE_V2 && !BL2_AT_EL3
ARM_MAP_BL1_RW,
#endif
{0}
};

10
plat/arm/css/sgm/sgm_plat_config.c
View file

@ -67,3 +67,13 @@ css_plat_config_t *get_plat_config(void)
assert(css_plat_info != NULL);
return css_plat_info;
}
#if TRUSTED_BOARD_BOOT && LOAD_IMAGE_V2
int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size)
{
assert(heap_addr != NULL);
assert(heap_size != NULL);
return arm_get_mbedtls_heap(heap_addr, heap_size);
}
#endif