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2013-11-17cortex-r4: use byte to allocate the stackGrissiom
Unit of "byte" is more intuitive than "long".
2013-11-17cortex-r4: let svc mode reuse the stack of IRQ on startupGrissiom
As the svc stack is the stack of threads, there is no need to allocate a separate stack for the startup. Reuse the IRQ stack should be OK. Tested on rm48 board.
2013-10-20cortex-r4: dump register on trapsGrissiom
We could not handle any traps except IRQ/FIQ.
2013-10-20cortex-r4: remove RM48x50.h and add armv7.hGrissiom
2013-10-20rm48: move some asm file to libcpuGrissiom
2013-10-20rm48x50: add GCC supportGrissiom
2013-06-12rm48x50: rt_interrupt_nest should be `volatile rt_uint8_t`Grissiom
2013-06-12rm48x50: add cache_{enable, disable}Grissiom
2013-06-05cortex-r4: wrap asm functions with .asmfunc/.endasmfuncGrissiom
2013-06-05cortex-r4: add __rt_ffsGrissiom
2013-05-31move libcpu/arm/rm48x50/ to libcpu/arm/cortex-r4Grissiom