[bsp]增加超睿DP1000 bsp支持

Author: zhangjing0303

.github/ALL_BSP_COMPILE.json

@@ -389,7 +389,8 @@
       "RTT_TOOL_CHAIN": "sourcery-riscv64-unknown-elf",
       "SUB_RTT_BSP": [
         "bluetrum/ab32vg1-ab-prougen",
-        "qemu-virt64-riscv"
+        "qemu-virt64-riscv",
+        "ultrarisc/ur_dp1000_evb"
       ]
     },
     {

MAINTAINERS

@@ -82,3 +82,7 @@ owners: supper thomas(supperthomas)<[email protected]>, Bingru Zhang(Rbb666)<75106
 tag: gd32470z-lckfb-lcd
 path: bsp/gd32/arm/gd32470z-lckfb/board/ports
 owners: Wu Ying Xiang(godmial)<[email protected]>
+
+tag: bsp_ultrarisc
+path: bsp/ultrarisc/ur_dp1000_evb
+owners: Zhang Jing(zhangjing0303)<[email protected]>

bsp/ultrarisc/arch/ur-cp100/SConscript

@@ -0,0 +1,12 @@
+# RT-Thread building script for component
+
+from building import *
+cwd     = GetCurrentDir()
+src     = Glob('*.c') + Glob('*.cpp')
+CPPPATH = [cwd]
+
+group = DefineGroup('arch', src, depend = [''], CPPPATH = CPPPATH)
+
+objs = [group]
+
+Return('objs')

bsp/ultrarisc/arch/ur-cp100/cache.c

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2006-2025 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-01-29     lizhirui     first version
+ * 2025-05-29     Zhang Jing   remove redundant code
+ */
+
+#include <rthw.h>
+#include <rtdef.h>
+#include <board.h>
+#include <riscv.h>
+#include <cache.h>
+
+void rt_hw_cpu_icache_ops(int ops, void *addr, int size)
+{
+    if (ops == RT_HW_CACHE_INVALIDATE)
+    {
+        rt_hw_cpu_icache_invalidate(addr, size);
+    }
+    return;
+}
+
+void rt_hw_cpu_dcache_ops(int ops, void *addr, int size)
+{
+    if (ops == RT_HW_CACHE_FLUSH)
+    {
+        rt_hw_cpu_dcache_clean(addr, size);
+    }
+    else
+    {
+        rt_hw_cpu_dcache_invalidate(addr, size);
+    }
+    return;
+}
+
+void rt_hw_sync_cache_local(void *addr, int size)
+{
+    rt_hw_cpu_dcache_clean_local(addr, size);
+    rt_hw_cpu_icache_invalidate_local(addr, size);
+    return;
+}

bsp/ultrarisc/arch/ur-cp100/cache.h

@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2006-2025 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-11-09     RT-Thread    The first version
+ */
+#ifndef __CACHE_H__
+#define __CACHE_H__
+
+#include <rtdef.h>
+
+/**
+ * @brief These APIs may not be supported by a specified architecture
+ * But we have to include to all the cases to be 'general purpose'
+ */
+
+rt_always_inline void rt_hw_cpu_dcache_clean_local(void *addr, int size)
+{
+    RT_UNUSED(addr);
+    RT_UNUSED(size);
+}
+
+rt_always_inline void rt_hw_cpu_dcache_invalidate_local(void *addr, int size)
+{
+    RT_UNUSED(addr);
+    RT_UNUSED(size);
+}
+
+rt_always_inline void rt_hw_cpu_dcache_clean_and_invalidate_local(void *addr, int size)
+{
+    RT_UNUSED(addr);
+    RT_UNUSED(size);
+}
+
+rt_always_inline void rt_hw_cpu_dcache_clean_all_local(void)
+{
+}
+
+rt_always_inline void rt_hw_cpu_dcache_invalidate_all_local(void)
+{
+}
+
+rt_always_inline void rt_hw_cpu_dcache_clean_and_invalidate_all_local(void)
+{
+}
+
+/*use fence.i to invalidate all icache*/
+rt_always_inline void rt_hw_cpu_icache_invalidate_local(void *addr, int size)
+{
+    __asm__ __volatile__("fence.i" ::: "memory");
+}
+/*use fence.i to invalidate all icache*/
+rt_always_inline void rt_hw_cpu_icache_invalidate_all_local(void)
+{
+    __asm__ __volatile__("fence.i" ::: "memory");
+}
+
+/**
+ * @brief Multi-core
+ */
+
+#define rt_hw_cpu_dcache_clean rt_hw_cpu_dcache_clean_local
+#define rt_hw_cpu_dcache_invalidate rt_hw_cpu_dcache_invalidate_local
+#define rt_hw_cpu_dcache_clean_and_invalidate rt_hw_cpu_dcache_clean_and_invalidate_local
+
+#define rt_hw_cpu_dcache_clean_all rt_hw_cpu_dcache_clean_all_local
+#define rt_hw_cpu_dcache_invalidate_all rt_hw_cpu_dcache_invalidate_all_local
+#define rt_hw_cpu_dcache_clean_and_invalidate_all rt_hw_cpu_dcache_clean_and_invalidate_all_local
+
+#define rt_hw_cpu_icache_invalidate rt_hw_cpu_icache_invalidate_local
+#define rt_hw_cpu_icache_invalidate_all rt_hw_cpu_icache_invalidate_all_local
+
+#define rt_hw_icache_invalidate_all rt_hw_cpu_icache_invalidate_all
+
+/** instruction barrier */
+static inline void rt_hw_cpu_sync(void)
+{
+    __asm__ __volatile__("fence.i" ::: "memory");
+}
+
+/**
+ * @brief local cpu icahce & dcache synchronization
+ *
+ * @param addr
+ * @param size
+ */
+void rt_hw_sync_cache_local(void *addr, int size);
+
+#endif /* __CACHE_H__ */

bsp/ultrarisc/arch/ur-cp100/interrupt.c

@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2006-2025 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018/10/01     Bernard      The first version
+ * 2018/12/27     Jesven       Change irq enable/disable to cpu0
+ */
+#include <plic.h>
+#include "encoding.h"
+#include "riscv.h"
+#include "interrupt.h"
+
+struct rt_irq_desc irq_desc[MAX_HANDLERS];
+
+static rt_isr_handler_t rt_hw_interrupt_handle(rt_uint32_t vector, void *param)
+{
+    rt_kprintf("UN-handled interrupt %d occurred!!!\n", vector);
+    return RT_NULL;
+}
+
+int rt_hw_plic_irq_enable(int irq_number)
+{
+    plic_irq_enable(irq_number);
+    return 0;
+}
+
+int rt_hw_plic_irq_disable(int irq_number)
+{
+    plic_irq_disable(irq_number);
+    return 0;
+}
+
+/**
+ * This function will un-mask a interrupt.
+ * @param vector the interrupt number
+ */
+void rt_hw_interrupt_umask(int vector)
+{
+    plic_set_priority(vector, 1);
+
+    rt_hw_plic_irq_enable(vector);
+}
+
+/**
+ * This function will install a interrupt service routine to a interrupt.
+ * @param vector the interrupt number
+ * @param new_handler the interrupt service routine to be installed
+ * @param old_handler the old interrupt service routine
+ */
+rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
+        void *param, const char *name)
+{
+    rt_isr_handler_t old_handler = RT_NULL;
+
+    if (vector < MAX_HANDLERS)
+    {
+        old_handler = irq_desc[vector].handler;
+        if (handler != RT_NULL)
+        {
+            irq_desc[vector].handler = (rt_isr_handler_t)handler;
+            irq_desc[vector].param = param;
+#ifdef RT_USING_INTERRUPT_INFO
+            rt_snprintf(irq_desc[vector].name, RT_NAME_MAX - 1, "%s", name);
+            irq_desc[vector].counter = 0;
+#endif
+        }
+    }
+
+    return old_handler;
+}
+
+void rt_hw_interrupt_init()
+{
+    /* Enable machine external interrupts. */
+    /* set_csr(sie, SIP_SEIP); */
+    int idx = 0;
+    /* init exceptions table */
+    for (idx = 0; idx < MAX_HANDLERS; idx++)
+    {
+        irq_desc[idx].handler = (rt_isr_handler_t)rt_hw_interrupt_handle;
+        irq_desc[idx].param = RT_NULL;
+#ifdef RT_USING_INTERRUPT_INFO
+        rt_snprintf(irq_desc[idx].name, RT_NAME_MAX - 1, "default");
+        irq_desc[idx].counter = 0;
+#endif
+    }
+    /*init plic*/
+    plic_init();
+}

bsp/ultrarisc/arch/ur-cp100/interrupt.h

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2006-2025 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-05-20     bigmagic      The first version
+ */
+
+#ifndef INTERRUPT_H__
+#define INTERRUPT_H__
+
+#define MAX_HANDLERS 128
+
+#include <rthw.h>
+#include "stack.h"
+
+enum
+{
+    EP_INSTRUCTION_ADDRESS_MISALIGNED = 0,
+    EP_INSTRUCTION_ACCESS_FAULT,
+    EP_ILLEGAL_INSTRUCTION,
+    EP_BREAKPOINT,
+    EP_LOAD_ADDRESS_MISALIGNED,
+    EP_LOAD_ACCESS_FAULT,
+    EP_STORE_ADDRESS_MISALIGNED,
+    EP_STORE_ACCESS_FAULT,
+    EP_ENVIRONMENT_CALL_U_MODE,
+    EP_ENVIRONMENT_CALL_S_MODE,
+    EP_RESERVED10,
+    EP_ENVIRONMENT_CALL_M_MODE,
+    EP_INSTRUCTION_PAGE_FAULT, /* page attr */
+    EP_LOAD_PAGE_FAULT,        /* read data */
+    EP_RESERVED14,
+    EP_STORE_PAGE_FAULT, /* write data */
+};
+
+int rt_hw_plic_irq_enable(int irq_number);
+int rt_hw_plic_irq_disable(int irq_number);
+void rt_hw_interrupt_init(void);
+void rt_hw_interrupt_mask(int vector);
+rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler, void *param, const char *name);
+void handle_trap(rt_size_t xcause, rt_size_t xtval, rt_size_t xepc, struct rt_hw_stack_frame *sp);
+
+#endif

bsp/ultrarisc/arch/ur-cp100/opcode.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2006-2025 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-11-09     Shell        Add portable asm support
+ */
+#ifndef __OPCODE_H__
+#define __OPCODE_H__
+
+/**
+ * @brief binary opcode pseudo operations
+ * Used to bypass toolchain restriction on extension ISA
+ *
+ */
+
+/**
+ * @brief RISC-V instruction formats
+ */
+
+/**
+ * R type: .insn r opcode6, func3, func7, rd, rs1, rs2
+ *
+ * +-------+-----+-----+-------+----+---------+
+ * | func7 | rs2 | rs1 | func3 | rd | opcode6 |
+ * +-------+-----+-----+-------+----+---------+
+ * 31      25    20    15      12   7        0
+ */
+#define __OPC_INSN_FORMAT_R(opcode, func3, func7, rd, rs1, rs2) \
+    ".insn r "RT_STRINGIFY(opcode)","RT_STRINGIFY(func3)","RT_STRINGIFY(func7)","RT_STRINGIFY(rd)","RT_STRINGIFY(rs1)","RT_STRINGIFY(rs2)
+
+#ifdef _TOOLCHAIN_SUPP_ZIFENCEI_ISA_
+    #define OPC_FENCE_I             "fence.i"
+#else /* !_TOOLCHAIN_SUPP_ZIFENCEI_ISA_ */
+    #define OPC_FENCE_I             ".long 0x0000100F"
+#endif /* _TOOLCHAIN_SUPP_ZIFENCEI_ISA_ */
+
+#endif /* __OPCODE_H__ */