add ch32v307 risc-v support,IDE is MounRiver Studio

2022-03-04 14:16:19 +08:00
parent 9de2090de9
commit 7375f16efc
88 changed files with 31620 additions and 0 deletions
--- a/arch/risc-v/risc-v3a/rv32i/gcc/port_c.c
+++ b/arch/risc-v/risc-v3a/rv32i/gcc/port_c.c
@@ -0,0 +1,148 @@
+/*----------------------------------------------------------------------------
+ * 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.
+ *---------------------------------------------------------------------------*/
+
+#include <tos_k.h>
+#include "ch32v30x.h"
+#include "core_riscv.h"
+
+__PORT__ void port_cpu_reset(void)
+{
+    NVIC_SystemReset();
+}
+
+/* clear soft interrupt */
+__PORT__ void sw_clearpend(void)
+{
+    SysTick->CTLR &= ~(1<<31);
+}
+
+/* trigger software interrupt */
+__PORT__ void port_context_switch(void)
+{
+    SysTick->CTLR |= (1<<31);
+}
+
+/* trigger software interrupt */
+__PORT__ void port_irq_context_switch(void)
+{
+    SysTick->CTLR |= (1<<31);
+}
+
+__PORT__ void port_systick_config(uint32_t cycle_per_tick)
+{
+    SysTick->CTLR=0;
+    SysTick->SR=0;
+    SysTick->CNT=0;
+    SysTick->CMP=cycle_per_tick-1;
+    SysTick->CTLR=0xF;
+}
+
+__PORT__ void port_systick_priority_set(uint32_t prio)
+{
+    NVIC_SetPriority(SysTicK_IRQn, prio);
+}
+
+__PORT__ void port_cpu_init()
+{
+    NVIC_SetPriority(Software_IRQn,0xf0);
+    NVIC_EnableIRQ(SysTicK_IRQn);
+    NVIC_EnableIRQ(Software_IRQn);
+}
+
+
+void SysTick_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
+void SysTick_Handler(void)
+{
+    GET_INT_SP();  /* <20>л<EFBFBD><D0BB>ж<EFBFBD>ջ */
+    if (tos_knl_is_running())
+    {
+      tos_knl_irq_enter();
+      SysTick->SR=0;
+      tos_tick_handler();
+      tos_knl_irq_leave();
+    }
+    FREE_INT_SP(); /* <20>ͷ<EFBFBD><CDB7>ж<EFBFBD>ջ */
+}
+
+
+
+#if TOS_CFG_TICKLESS_EN > 0u
+__PORT__ k_time_t port_systick_max_delay_millisecond(void)
+{
+    k_time_t max_millisecond;
+    uint32_t max_cycle;
+
+    max_cycle = 0xffffffff; // systick <20><>64λ<34><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>32λ
+    max_millisecond = (k_time_t)((uint64_t)max_cycle * K_TIME_MILLISEC_PER_SEC / TOS_CFG_CPU_CLOCK); // CLOCK: cycle per second
+    return max_millisecond;
+}
+
+__PORT__ void port_systick_resume(void)
+{
+    SysTick->CTLR |= (3<<0);
+}
+
+__PORT__ void port_systick_suspend(void)
+{
+    SysTick->CTLR &= ~(3<<0);
+}
+
+__PORT__ k_cycle_t port_systick_max_reload_cycle(void)
+{
+    return 0xffffffff;
+}
+
+__PORT__ void port_systick_reload(uint32_t cycle_per_tick)
+{
+    port_systick_config(cycle_per_tick);
+}
+
+__PORT__ void port_systick_pending_reset(void)
+{
+    PFIC->IPRR[0] |= (1<<12); //clear pend
+}
+
+#endif
+
+
+#if TOS_CFG_PWR_MGR_EN > 0u
+__PORT__ void port_sleep_mode_enter(void)
+{
+    /* only CPU sleep */
+    PFIC->SCTLR |= (1<<2);
+    __WFI();
+    PFIC->SCTLR &= ~(1<<2);
+}
+
+__PORT__ void port_stop_mode_enter(void)
+{
+    PWR_EnterSTOPMode(PWR_Regulator_ON, PWR_STOPEntry_WFI);
+}
+
+__PORT__ void port_standby_mode_enter(void)
+{
+    PWR_EnterSTANDBYMode();
+}
+
+#endif
+
+
+
+
+
+
+