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Diffstat (limited to 'docs/user-guide.md')
| -rw-r--r-- | docs/user-guide.md | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/docs/user-guide.md b/docs/user-guide.md index 006340b6..8f271cf0 100644 --- a/docs/user-guide.md +++ b/docs/user-guide.md @@ -351,7 +351,26 @@ performed. * `PROGRAMMABLE_RESET_ADDRESS`: This option indicates whether the reset vector address can be programmed or is fixed on the platform. It can take - either 0 (fixed) or 1 (programmable). Default is 0. + either 0 (fixed) or 1 (programmable). Default is 0. If the platform has a + programmable reset address, it is expected that a CPU will start executing + code directly at the right address, both on a cold and warm reset. In this + case, there is no need to identify the entrypoint on boot and this has + implication for `plat_get_my_entrypoint()` platform porting interface. + (see the [Porting Guide] for details) + +* `PSCI_EXTENDED_STATE_ID`: As per PSCI1.0 Specification, there are 2 formats + possible for the PSCI power-state parameter viz original and extended + State-ID formats. This flag if set to 1, configures the generic PSCI layer + to use the extended format. The default value of this flag is 0, which + means by default the original power-state format is used by the PSCI + implementation. This flag should be specified by the platform makefile + and it governs the return value of PSCI_FEATURES API for CPU_SUSPEND + smc function id. + +* `WARN_DEPRECATED`: This option decides whether to warn the usage of + deprecated platform APIs and context management helpers within Trusted + Firmware. It can take the value 1 (warn the use of deprecated APIs) or + 0. The default is 0. #### ARM development platform specific build options @@ -380,6 +399,14 @@ map is explained in the [Firmware Design]. this option, `arm_rotprivk_rsa.pem` must be specified as `ROT_KEY` when creating the certificates. +* `ARM_RECOM_STATE_ID_ENC`: The PSCI1.0 specification recommends an encoding + for the construction of composite state-ID in the power-state parameter. + The existing PSCI clients currently do not support this encoding of + State-ID yet. Hence this flag is used to configure whether to use the + recommended State-ID encoding or not. The default value of this flag is 0, + in which case the platform is configured to expect NULL in the State-ID + field of power-state parameter. + #### ARM CSS platform specific build options * `CSS_DETECT_PRE_1_7_0_SCP`: Boolean flag to detect SCP version @@ -1070,4 +1097,5 @@ _Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved._ [Juno Software Guide]: http://community.arm.com/docs/DOC-8396 [DS-5]: http://www.arm.com/products/tools/software-tools/ds-5/index.php [mbedTLS Repository]: https://github.com/ARMmbed/mbedtls.git +[Porting Guide]: ./porting-guide.md [Trusted Board Boot]: trusted-board-boot.md |