arch: arc: update the ARC port

* add basic synopsys arc em processor support * add basic arc nsim em virtual board support * add basic arc mwdt toolchain support Signed-off-by: Watson Zeng <zhiwei@synopsys.com>
2020-03-25 17:11:52 +08:00
parent 13eaef3d46
commit 0d4593ee5e
169 changed files with 871 additions and 46371 deletions
--- a/arch/arc/common/include/tos_cpu.h
+++ b/arch/arc/common/include/tos_cpu.h
@@ -0,0 +1,147 @@
+/*----------------------------------------------------------------------------
+ * Tencent is pleased to support the open source community by making TencentOS
+ * available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ * If you have downloaded a copy of the TencentOS binary from Tencent, please
+ * note that the TencentOS binary is licensed under the BSD 3-Clause License.
+ *
+ * If you have downloaded a copy of the TencentOS source code from Tencent,
+ * please note that TencentOS source code is licensed under the BSD 3-Clause
+ * License, except for the third-party components listed below which are
+ * subject to different license terms. Your integration of TencentOS into your
+ * own projects may require compliance with the BSD 3-Clause License, as well
+ * as the other licenses applicable to the third-party components included
+ * within TencentOS.
+ *---------------------------------------------------------------------------*/
+
+#ifndef _TOS_CPU_H_
+#define  _TOS_CPU_H_
+
+typedef struct cpu_context_st {
+    cpu_data_t      pc;
+    cpu_data_t      blink;
+    cpu_data_t      task;
+    cpu_data_t      status32;
+    cpu_data_t      r0;
+} cpu_context_t;
+
+__API__ uint32_t        tos_cpu_clz(uint32_t val);
+
+__API__ void            tos_cpu_int_disable(void);
+
+__API__ void            tos_cpu_int_enable(void);
+
+__API__ cpu_cpsr_t      tos_cpu_cpsr_save(void);
+
+__API__ void            tos_cpu_cpsr_restore(cpu_cpsr_t cpsr);
+
+#if (TOS_CFG_CPU_HRTIMER_EN > 0u)
+
+__API__ void            tos_cpu_hrtimer_init(void);
+
+__API__ cpu_hrtimer_t   tos_cpu_hrtimer_read(void);
+
+#endif
+
+
+__KNL__ void         cpu_init(void);
+
+
+__KNL__ void         cpu_reset(void);
+
+
+__KNL__ void         cpu_systick_init(k_cycle_t cycle_per_tick);
+
+
+__KNL__ void         cpu_sched_start(void);
+
+
+__KNL__ void         cpu_context_switch(void);
+
+
+__KNL__ void         cpu_irq_context_switch(void);
+
+#if TOS_CFG_TASK_STACK_DRAUGHT_DEPTH_DETACT_EN > 0u
+
+
+__KNL__ k_err_t cpu_task_stack_draught_depth(k_stack_t *stk_base, size_t stk_size, int *depth);
+
+#endif
+
+
+__KNL__ k_stack_t   *cpu_task_stk_init(void *entry,
+                                                          void *arg,
+                                                          void *exit,
+                                                          k_stack_t *stk_base,
+                                                          size_t stk_size);
+
+#if TOS_CFG_TICKLESS_EN > 0u
+
+
+__KNL__ void         cpu_systick_resume(void);
+
+
+__KNL__ void         cpu_systick_suspend(void);
+
+
+__KNL__ void         cpu_systick_reload_reset(void);
+
+
+__KNL__ void         cpu_systick_pending_reset(void);
+
+
+__KNL__ k_time_t     cpu_systick_max_delay_millisecond(void);
+
+
+__KNL__ void         cpu_systick_expires_set(k_time_t millisecond);
+
+
+__KNL__ void         cpu_systick_reset(void);
+
+#endif
+
+#if TOS_CFG_PWR_MGR_EN > 0u
+
+
+__KNL__ void cpu_sleep_mode_enter(void);
+
+
+__KNL__ void cpu_stop_mode_enter(void);
+
+
+__KNL__ void cpu_standby_mode_enter(void);
+
+#endif
+
+#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
+
+#if defined (TOS_CFG_CPU_ARM_FPU_EN) && (TOS_CFG_CPU_ARM_FPU_EN == 1U)
+
+
+__KNL__ void         cpu_flush_fpu(void);
+
+#endif /* TOS_CFG_CPU_ARM_FPU_EN */
+
+
+__KNL__ void         cpu_fault_diagnosis(void);
+
+#endif
+
+/* Allocates CPU status register word. */
+#define TOS_CPU_CPSR_ALLOC()    cpu_cpsr_t cpu_cpsr = (cpu_cpsr_t)0u
+
+/* Save CPU status word & disable interrupts.*/
+#define TOS_CPU_INT_DISABLE() \
+    do { \
+        cpu_cpsr = tos_cpu_cpsr_save(); \
+    } while (0)
+
+/* Restore CPU status word.                     */
+#define  TOS_CPU_INT_ENABLE() \
+    do { \
+        tos_cpu_cpsr_restore(cpu_cpsr); \
+    } while (0)
+
+#endif /* _TOS_CPU_H_ */
+