/****************************************************************************** * current.h * * Information structure that lives at the bottom of the per-cpu Xen stack. */ #ifndef __X86_CURRENT_H__ #define __X86_CURRENT_H__ #include #include #include #include struct vcpu; struct cpu_info { struct cpu_user_regs guest_cpu_user_regs; unsigned int processor_id; struct vcpu *current_vcpu; unsigned long per_cpu_offset; #ifdef __x86_64__ /* get_stack_bottom() must be 16-byte aligned */ unsigned long __pad_for_stack_bottom; #endif }; static inline struct cpu_info *get_cpu_info(void) { struct cpu_info *cpu_info; __asm__ ( "and %%"__OP"sp,%0; or %2,%0" : "=r" (cpu_info) : "0" (~(STACK_SIZE-1)), "i" (STACK_SIZE-sizeof(struct cpu_info)) ); return cpu_info; } #define get_current() (get_cpu_info()->current_vcpu) #define set_current(vcpu) (get_cpu_info()->current_vcpu = (vcpu)) #define current (get_current()) #define get_processor_id() (get_cpu_info()->processor_id) #define set_processor_id(id) do { \ struct cpu_info *ci__ = get_cpu_info(); \ ci__->per_cpu_offset = __per_cpu_offset[ci__->processor_id = (id)]; \ } while (0) #define guest_cpu_user_regs() (&get_cpu_info()->guest_cpu_user_regs) /* * Get the bottom-of-stack, as stored in the per-CPU TSS. This actually points * into the middle of cpu_info.guest_cpu_user_regs, at the section that * precisely corresponds to a CPU trap frame. */ #define get_stack_bottom() \ ((unsigned long)&get_cpu_info()->guest_cpu_user_regs.es) #define reset_stack_and_jump(__fn) \ __asm__ __volatile__ ( \ "mov %0,%%"__OP"sp; jmp "STR(__fn) \ : : "r" (guest_cpu_user_regs()) : "memory" ) #define schedule_tail(vcpu) (((vcpu)->arch.schedule_tail)(vcpu)) /* * Which VCPU's state is currently running on each CPU? * This is not necesasrily the same as 'current' as a CPU may be * executing a lazy state switch. */ DECLARE_PER_CPU(struct vcpu *, curr_vcpu); #endif /* __X86_CURRENT_H__ */ st_message.py'>

path: root/test/pathod/language/test_message.py

blob: 777ab4dd18066039eb5806d735735b81d3a33b5c (plain)

1	`# TODO: write tests`