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Karim Raslan
abc465b15c
Adds header files for future ARM support. Based on work by Karim Allah Ahmed. Signed-off-by: Karim Allah Ahmed <karim.allah.ahmed@gmail.com> Signed-off-by: Thomas Leonard <talex5@gmail.com> Acked-by: Julien Grall <julien.grall@linaro.org> Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
20 lines
509 B
C
20 lines
509 B
C
#ifndef __ARCH_SCHED_H__
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#define __ARCH_SCHED_H__
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#include "arch_limits.h"
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static inline struct thread* get_current(void)
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{
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struct thread **current;
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unsigned long sp;
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__asm__ __volatile__ ("mov %0, sp":"=r"(sp));
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current = (void *)(unsigned long)(sp & ~(__STACK_SIZE-1));
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return *current;
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}
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void __arch_switch_threads(unsigned long *prevctx, unsigned long *nextctx);
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#define arch_switch_threads(prev,next) __arch_switch_threads(&(prev)->sp, &(next)->sp)
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#endif /* __ARCH_SCHED_H__ */
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