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| author | Antonio Niño Díaz <antonio.ninodiaz@arm.com> | 2019-01-25 11:24:40 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-01-25 11:24:40 +0000 |
| commit | 7ca572d93c88bf8a86fccf30b2725315f092aef4 (patch) | |
| tree | d6c1734804549501557590af9c2c4bb99168794a /docs | |
| parent | a1d1d24b7869535a3a8ef36c6bbb2addada7738f (diff) | |
| parent | 5b8d50e40701ebb6a7ba548ccaa96ba879587fb9 (diff) | |
| download | platform_external_arm-trusted-firmware-7ca572d93c88bf8a86fccf30b2725315f092aef4.tar.gz platform_external_arm-trusted-firmware-7ca572d93c88bf8a86fccf30b2725315f092aef4.tar.bz2 platform_external_arm-trusted-firmware-7ca572d93c88bf8a86fccf30b2725315f092aef4.zip | |
Merge pull request #1761 from satheesbalya-arm/sb1/sb1_2661_bl31_overlay
plat/arm: Save BL2 descriptors to reserved memory.
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/firmware-design.rst | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/docs/firmware-design.rst b/docs/firmware-design.rst index c79f03d2f..06fdbacdd 100644 --- a/docs/firmware-design.rst +++ b/docs/firmware-design.rst @@ -1684,6 +1684,21 @@ an example. Note: Loading the BL32 image in TZC secured DRAM doesn't change the memory layout of the other images in Trusted SRAM. +CONFIG section in memory layouts shown below contains: + +:: + + +--------------------+ + |bl2_mem_params_descs| + |--------------------| + | fw_configs | + +--------------------+ + +``bl2_mem_params_descs`` contains parameters passed from BL2 to next the +BL image during boot. + +``fw_configs`` includes soc_fw_config, tos_fw_config and tb_fw_config. + **FVP with TSP in Trusted SRAM with firmware configs :** (These diagrams only cover the AArch64 case) @@ -1708,7 +1723,7 @@ layout of the other images in Trusted SRAM. | | <<<<<<<<<<<<< |----------------| | | <<<<<<<<<<<<< | BL32 | 0x04002000 +----------+ +----------------+ - |fw_configs| + | CONFIG | 0x04001000 +----------+ | Shared | 0x04000000 +----------+ @@ -1745,7 +1760,7 @@ layout of the other images in Trusted SRAM. | | <<<<<<<<<<<<< | BL31 PROGBITS | | | +----------------+ +--------------+ - | fw_configs | + | CONFIG | 0x04001000 +--------------+ | Shared | 0x04000000 +--------------+ @@ -1779,7 +1794,7 @@ layout of the other images in Trusted SRAM. | | <<<<<<<<<<<<< | BL31 PROGBITS | | | +----------------+ 0x04002000 +----------+ - |fw_configs| + | CONFIG | 0x04001000 +----------+ | Shared | 0x04000000 +----------+ |