waterDataFluctuationCorrelation fluctuationAnalysisOfFireHydrantData.h 李欣儒 commit at 2020-12-28

waterDataFluctuationCorrelation/fluctuationCorrelationOfFireHydrant/fluctuationAnalysisOfFireHydrantData.h

@@ -219,3 +219,139 @@ struct thread_struct {
 	/* Saved state of the DSP ASE, if available. */
 	struct mips_dsp_state dsp;
 
+	/* Saved watch register state, if available. */
+	union mips_watch_reg_state watch;
+
+	/* Other stuff associated with the thread. */
+	unsigned long cp0_badvaddr;	/* Last user fault */
+	unsigned long cp0_baduaddr;	/* Last kernel fault accessing USEG */
+	unsigned long error_code;
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+    struct octeon_cop2_state cp2 __attribute__ ((__aligned__(128)));
+    struct octeon_cvmseg_state cvmseg __attribute__ ((__aligned__(128)));
+#endif
+	struct mips_abi *abi;
+};
+
+#ifdef CONFIG_MIPS_MT_FPAFF
+#define FPAFF_INIT						\
+	.emulated_fp			= 0,			\
+	.user_cpus_allowed		= INIT_CPUMASK,
+#else
+#define FPAFF_INIT
+#endif /* CONFIG_MIPS_MT_FPAFF */
+
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+#define OCTEON_INIT						\
+	.cp2			= INIT_OCTEON_COP2,
+#else
+#define OCTEON_INIT
+#endif /* CONFIG_CPU_CAVIUM_OCTEON */
+
+#define INIT_THREAD  {						\
+        /*							\
+         * Saved main processor registers			\
+         */							\
+	.reg16			= 0,				\
+	.reg17			= 0,				\
+	.reg18			= 0,				\
+	.reg19			= 0,				\
+	.reg20			= 0,				\
+	.reg21			= 0,				\
+	.reg22			= 0,				\
+	.reg23			= 0,				\
+	.reg29			= 0,				\
+	.reg30			= 0,				\
+	.reg31			= 0,				\
+	/*							\
+	 * Saved cp0 stuff					\
+	 */							\
+	.cp0_status		= 0,				\
+	/*							\
+	 * Saved FPU/FPU emulator stuff				\
+	 */							\
+	.fpu			= {				\
+		.fpr		= {0,},				\
+		.fcr31		= 0,				\
+	},							\
+	/*							\
+	 * FPU affinity state (null if not FPAFF)		\
+	 */							\
+	FPAFF_INIT						\
+	/*							\
+	 * Saved DSP stuff					\
+	 */							\
+	.dsp			= {				\
+		.dspr		= {0, },			\
+		.dspcontrol	= 0,				\
+	},							\
+	/*							\
+	 * saved watch register stuff				\
+	 */							\
+	.watch = {{{0,},},},					\
+	/*							\
+	 * Other stuff associated with the process		\
+	 */							\
+	.cp0_badvaddr		= 0,				\
+	.cp0_baduaddr		= 0,				\
+	.error_code		= 0,				\
+	/*							\
+	 * Cavium Octeon specifics (null if not Octeon)		\
+	 */							\
+	OCTEON_INIT						\
+}
+
+struct task_struct;
+
+/* Free all resources held by a thread. */
+#define release_thread(thread) do { } while(0)
+
+extern unsigned long thread_saved_pc(struct task_struct *tsk);
+
+/*
+ * Do necessary setup to start up a newly executed thread.
+ */
+extern void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long sp);
+
+unsigned long get_wchan(struct task_struct *p);
+
+#define __KSTK_TOS(tsk) ((unsigned long)task_stack_page(tsk) + \
+			 THREAD_SIZE - 32 - sizeof(struct pt_regs))
+#define task_pt_regs(tsk) ((struct pt_regs *)__KSTK_TOS(tsk))
+#define KSTK_EIP(tsk) (task_pt_regs(tsk)->cp0_epc)
+#define KSTK_ESP(tsk) (task_pt_regs(tsk)->regs[29])
+#define KSTK_STATUS(tsk) (task_pt_regs(tsk)->cp0_status)
+
+#define cpu_relax()	barrier()
+
+/*
+ * Return_address is a replacement for __builtin_return_address(count)
+ * which on certain architectures cannot reasonably be implemented in GCC
+ * (MIPS, Alpha) or is unusable with -fomit-frame-pointer (i386).
+ * Note that __builtin_return_address(x>=1) is forbidden because GCC
+ * aborts compilation on some CPUs.  It's simply not possible to unwind
+ * some CPU's stackframes.
+ *
+ * __builtin_return_address works only for non-leaf functions.  We avoid the
+ * overhead of a function call by forcing the compiler to save the return
+ * address register on the stack.
+ */
+#define return_address() ({__asm__ __volatile__("":::"$31");__builtin_return_address(0);})
+
+#ifdef CONFIG_CPU_HAS_PREFETCH
+
+#define ARCH_HAS_PREFETCH
+#define prefetch(x) __builtin_prefetch((x), 0, 1)
+
+#define ARCH_HAS_PREFETCHW
+#define prefetchw(x) __builtin_prefetch((x), 1, 1)
+
+/*
+ * See Documentation/scheduler/sched-arch.txt; prevents deadlock on SMP
+ * systems.
+ */
+#define __ARCH_WANT_UNLOCKED_CTXSW
+
+#endif
+
+#endif /* _ASM_PROCESSOR_H */