#ifndef H_LEONBARE_CONTEXTSWITCH_H#define H_LEONBARE_CONTEXTSWITCH_H/* * for this version, the index of THREAD_JB_SP must be even !!! * This way, we can speed up the context switch (using std). */#define THREAD_JB_SP     0 /* aligned */#define THREAD_JB_PC     1#define THREAD_JB_SVMASK 3#define THREAD_JB_MASK   4#define THREAD_JB_FP     5#define THREAD_JB_I7     6#define THREAD_JB_PSR    8 /* aligned */#define THREAD_JB_WIM    9#define THREAD_JB_FPUCTX 10#ifndef __ASSEMBLER__extern unsigned long fpustate_current;typedef int threadctx_t[14+2];int thread_setjmp(threadctx_t env, int val);void thread_longjmp(threadctx_t env, int val);void _switch_to(threadctx_t env, int val);#endif /* __ASSEMBLER__ */#endif