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2013-12-20Add strchr() and putchar() to local C libraryHarry Liebel
Change-Id: I3659e119a242f8ef828e32bfdf5d0b4b7ac4f716
2013-12-20Create local C library implementation (2/2)Harry Liebel
- This change is split into two separate patches in order to simplify the history as interpreted by 'git'. The split is between the move/rename and addition of new files. - Remove dependency on toolchain C library headers and functions in order to ensure behavioural compatibility between toolchains. - Use FreeBSD as reference for C library implementation. - Do not let GCC use default library include paths. - Remove unused definitions in modified headers and implementations. - Move C library files to 'lib/stdlib' and 'include/stdlib'. - Break std.c functions out into separate files. Change-Id: I3e3d8d992052264d2a02489034ae4c03bf0f5512
2013-12-20Create local C library implementation (1/2)Harry Liebel
- This change is split into two separate patches in order to simplify the history as interpreted by 'git'. The split is between the move/rename and addition of new files. - Remove dependency on toolchain C library headers and functions in order to ensure behavioural compatibility between toolchains. - Use FreeBSD as reference for C library implementation. - Do not let GCC use default library include paths. - Remove unused definitions in modified headers and implementations. - Move C library files to 'lib/stdlib' and 'include/stdlib'. - Break std.c functions out into separate files. Change-Id: I91cddfb3229775f770ad781589670c57d347a154
2013-12-05rework general purpose registers save and restoreAchin Gupta
The runtime exception handling assembler code used magic numbers for saving and restoring the general purpose register context on stack memory. The memory is interpreted as a 'gp_regs' structure and the magic numbers are offsets to members of this structure. This patch replaces the magic number offsets with constants. It also adds compile time assertions to prevent an incorrect assembler view of this structure. Change-Id: Ibf125bfdd62ba3a33e58c5f1d71f8c229720781c
2013-12-05Enable third party contributionsDan Handley
- Add instructions for contributing to ARM Trusted Firmware. - Update copyright text in all files to acknowledge contributors. Change-Id: I9311aac81b00c6c167d2f8c889aea403b84450e5
2013-12-05Properly initialise the C runtime environmentSandrine Bailleux
This patch makes sure the C runtime environment is properly initialised before executing any C code. - Zero-initialise NOBITS sections (e.g. the bss section). - Relocate BL1 data from ROM to RAM. Change-Id: I0da81b417b2f0d1f7ef667cc5131b1e47e22571f
2013-11-27AArch64: Remove EL-agnostic TLB helper functionsSandrine Bailleux
Also, don't invalidate the TLBs in disable_mmu() function, it's better to do it in enable_mmu() function just before actually enabling the MMU. Change-Id: Ib32d6660019b0b2c17254156aad4be67ab4970e1
2013-11-27Unmask SError and Debug exceptions.Sandrine Bailleux
Any asynchronous exception caused by the firmware should be handled in the firmware itself. For this reason, unmask SError exceptions (and Debug ones as well) on all boot paths. Also route external abort and SError interrupts to EL3, otherwise they will target EL1. Change-Id: I9c191d2d0dcfef85f265641c8460dfbb4d112092
2013-10-25ARMv8 Trusted Firmware release v0.2v0.2Achin Gupta