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2016-08-31AArch32: Fix SCTLR context initializationSoby Mathew
This patch fixes a bug in context management library when writing SCTLR register during context initialization. The write happened prior to initialization of the register context pointer. This resulted in the compiler optimizing the write sequence from the final binary and hence SCTLR remains uninitialized when entering normal world. The bug is fixed by doing the initialization of the register context pointer earlier in the sequence. Change-Id: Ic7465593a74534046b79f40446ffa1165c52ed76
2016-08-10AArch32: Add support in TF librariesSoby Mathew
This patch adds AArch32 support to cpu ops, context management, per-cpu data and spinlock libraries. The `entrypoint_info` structure is modified to add support for AArch32 register arguments. The CPU operations for AEM generic cpu in AArch32 mode is also added. Change-Id: I1e52e79f498661d8f31f1e7b3a29e222bc7a4483
2016-07-18Introduce `el3_runtime` and `PSCI` librariesSoby Mathew
This patch moves the PSCI services and BL31 frameworks like context management and per-cpu data into new library components `PSCI` and `el3_runtime` respectively. This enables PSCI to be built independently from BL31. A new `psci_lib.mk` makefile is introduced which adds the relevant PSCI library sources and gets included by `bl31.mk`. Other changes which are done as part of this patch are: * The runtime services framework is now moved to the `common/` folder to enable reuse. * The `asm_macros.S` and `assert_macros.S` helpers are moved to architecture specific folder. * The `plat_psci_common.c` is moved from the `plat/common/aarch64/` folder to `plat/common` folder. The original file location now has a stub which just includes the file from new location to maintain platform compatibility. Most of the changes wouldn't affect platform builds as they just involve changes to the generic bl1.mk and bl31.mk makefiles. NOTE: THE `plat_psci_common.c` FILE HAS MOVED LOCATION AND THE STUB FILE AT THE ORIGINAL LOCATION IS NOW DEPRECATED. PLATFORMS SHOULD MODIFY THEIR MAKEFILES TO INCLUDE THE FILE FROM THE NEW LOCATION. Change-Id: I6bd87d5b59424995c6a65ef8076d4fda91ad5e86