test:example: move C examples to sdk directory
Signed-off-by: liangkangnan <liangkangnan@163.com>bram
liangkangnan
parent
5c9f1a140e
commit
ceddc1af24
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@ -0,0 +1,4 @@
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**bsp**：板级支持包，是所有C语言程序的基础（公共部分代码）。
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**examples**：一些C语言程序例程。
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@ -0,0 +1,3 @@
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**include**: 公共头文件目录。
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**lib**: 公共函数目录。
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@ -1,14 +1,15 @@
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RISCV_PATH := $(TOOLCHAIN_DIR)/tools/gnu-mcu-eclipse-riscv-none-gcc-8.2.0-2.2-20190521-0004-win64/
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RISCV_TOOLS_PATH := $(TOOLCHAIN_DIR)/tools/gnu-mcu-eclipse-riscv-none-gcc-8.2.0-2.2-20190521-0004-win64/bin
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RISCV_TOOLS_PREFIX := riscv-none-embed-
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RISCV_GCC := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-gcc)
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RISCV_AS := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-as)
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RISCV_GXX := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-g++)
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RISCV_OBJDUMP := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-objdump)
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RISCV_GDB := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-gdb)
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RISCV_AR := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-ar)
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RISCV_OBJCOPY := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-objcopy)
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RISCV_READELF := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-readelf)
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RISCV_GCC := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)gcc)
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RISCV_AS := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)as)
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RISCV_GXX := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)g++)
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RISCV_OBJDUMP := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)objdump)
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RISCV_GDB := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)gdb)
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RISCV_AR := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)ar)
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RISCV_OBJCOPY := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)objcopy)
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RISCV_READELF := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)readelf)
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.PHONY: all
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all: $(TARGET)
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@ -0,0 +1,19 @@
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#ifndef _TRAP_CODE_H_
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#define _TRAP_CODE_H_
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#define TRAP_USER_SW (0x80000000)
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#define TRAP_MACH_SW (0x80000003)
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#define TRAP_USER_TIMER (0x80000004)
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#define TRAP_MACH_TIMER (0x80000007)
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#define TRAP_USER_EXT (0x80000008)
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#define TRAP_MACH_EXT (0x8000000B)
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#define TRAP_INST_ADDR_MISA (0x00000000)
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#define TRAP_ILLEGAL_INST (0x00000002)
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#define TRAP_BREAKPOINT (0x00000003)
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#define TRAP_LOAD_ADDR_MISA (0x00000004)
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#define TRAP_STORE_ADDR_MISA (0x00000006)
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#define TRAP_ECALL_U (0x00000008)
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#define TRAP_ECALL_S (0x00000009)
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#define TRAP_ECALL_M (0x0000000B)
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#endif
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@ -50,10 +50,11 @@ test_if_asynchronous:
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srli a2, a0, 31 /* MSB of mcause is 1 if handing an asynchronous interrupt - shift to LSB to clear other bits. */
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beq a2, x0, handle_synchronous /* Branch past interrupt handing if not asynchronous. */
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call trap_handler
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call interrupt_handler
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j asynchronous_return
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handle_synchronous:
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call exception_handler
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addi a1, a1, 4
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csrw mepc, a1
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@ -97,7 +98,12 @@ asynchronous_return:
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mret
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.weak trap_handler
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trap_handler:
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.weak interrupt_handler
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interrupt_handler:
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1:
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j 1b
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.weak exception_handler
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exception_handler:
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2:
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j 2b
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@ -0,0 +1,18 @@
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#include <stdint.h>
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#include "./include/trap_code.h"
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extern void timer0_irq_handler() __attribute__((weak));
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void interrupt_handler(uint32_t mcause, uint32_t mepc)
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{
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// we have only timer0 interrupt here
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timer0_irq_handler();
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}
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void exception_handler(uint32_t mcause, uint32_t mepc)
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{
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if ((mcause != TRAP_BREAKPOINT) && (mcause != TRAP_ECALL_M))
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while (1);
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}
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@ -11,7 +11,7 @@ TARGET = freertos
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CFLAGS += -Os
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ASM_SRCS := ../../Source/portable/RISC-V/portASM.S
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#LDFLAGS +=
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INCLUDES += -I. -I../../Source/portable/RISC-V -I../../Source/include -I../../../
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INCLUDES += -I. -I../../Source/portable/RISC-V -I../../Source/include -I../../../../bsp
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C_SRCS := \
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main.c \
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@ -23,6 +23,6 @@ C_SRCS := \
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../../Source/portable/RISC-V/port.c \
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COMMON_DIR = ../../..
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COMMON_DIR = ../../../../bsp
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TOOLCHAIN_DIR = ../../../../..
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include ../../../common.mk
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include ../../../../bsp/common.mk
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@ -0,0 +1,6 @@
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# Object files
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*.o
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*.ko
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*.obj
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*.bin
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*.dump
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@ -4,10 +4,6 @@
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**gpio**: 两个GPIO，一个作为输入、一个作为输出，输出的电平等于输入的电平。
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**include**: 公共头文件目录。
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**lib**: 公共函数目录。
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**simple**: 简单的加、减、乘、除运算测试例程。
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**timer_int**: 定时器中断测试例程，每500ms翻转一下IO口的电平。在FPGA上运行时需要将其Makefile里的CFLAGS += -DSIMULATION这一行注释掉。
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@ -19,5 +15,3 @@
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**coremark：**已经移植好的coremark跑分测试例程。
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**FreeRTOS：**FreeRTOS嵌入式操作系统测试例程，效果：每1s翻转一下IO口的电平。
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本目录下所有的.c和.S文件是所有例程的公共文件，每一个例程都需要用到它们。
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@ -16,6 +16,6 @@ CFLAGS := -O2 -fno-common -funroll-loops -finline-functions --param max-inline-i
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CFLAGS += -DFLAGS_STR=\""$(CFLAGS)"\"
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CFLAGS += -DITERATIONS=10000 -DPERFORMANCE_RUN=1
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COMMON_DIR = ..
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COMMON_DIR = ../../bsp
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TOOLCHAIN_DIR = ../../..
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include ../common.mk
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include ../../bsp/common.mk
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@ -1,9 +1,9 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include "coremark.h"
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#include "../include/utils.h"
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#include "../include/uart.h"
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#include "../include/xprintf.h"
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#include "../../bsp/include/utils.h"
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#include "../../bsp/include/uart.h"
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#include "../../bsp/include/xprintf.h"
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#if VALIDATION_RUN
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volatile ee_s32 seed1_volatile=0x3415;
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@ -9,7 +9,7 @@
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#include <stdint.h>
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#include <stddef.h>
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#include "../include/xprintf.h"
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#include "../../bsp/include/xprintf.h"
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#define HAS_FLOAT 0
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#define HAS_TIME_H 1
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@ -16,6 +16,6 @@ C_SRCS := \
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main.c \
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COMMON_DIR = ..
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COMMON_DIR = ../../bsp
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TOOLCHAIN_DIR = ../../..
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include ../common.mk
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include ../../bsp/common.mk
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@ -1,7 +1,7 @@
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#include <stdint.h>
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#include "../include/gpio.h"
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#include "../include/utils.h"
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#include "../../bsp/include/gpio.h"
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#include "../../bsp/include/utils.h"
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int main()
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@ -16,6 +16,6 @@ C_SRCS := \
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main.c \
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COMMON_DIR = ..
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COMMON_DIR = ../../bsp
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TOOLCHAIN_DIR = ../../..
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include ../common.mk
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include ../../bsp/common.mk
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@ -1,5 +1,5 @@
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#include <stdint.h>
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#include "../include/utils.h"
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#include "../../bsp/include/utils.h"
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int mul = 3;
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@ -16,6 +16,6 @@ C_SRCS := \
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main.c \
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COMMON_DIR = ..
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COMMON_DIR = ../../bsp
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TOOLCHAIN_DIR = ../../..
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include ../common.mk
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include ../../bsp/common.mk
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@ -1,8 +1,8 @@
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#include <stdint.h>
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#include "../include/timer.h"
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#include "../include/gpio.h"
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#include "../include/utils.h"
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#include "../../bsp/include/timer.h"
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#include "../../bsp/include/gpio.h"
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#include "../../bsp/include/utils.h"
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static volatile uint32_t count;
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@ -16,6 +16,6 @@ C_SRCS := \
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main.c \
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COMMON_DIR = ..
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COMMON_DIR = ../../bsp
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TOOLCHAIN_DIR = ../../..
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include ../common.mk
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include ../../bsp/common.mk
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@ -1,7 +1,7 @@
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#include <stdint.h>
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#include "../include/uart.h"
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#include "../include/xprintf.h"
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#include "../../bsp/include/uart.h"
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#include "../../bsp/include/xprintf.h"
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@ -16,6 +16,6 @@ C_SRCS := \
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main.c \
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COMMON_DIR = ..
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COMMON_DIR = ../../bsp
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TOOLCHAIN_DIR = ../../..
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include ../common.mk
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include ../../bsp/common.mk
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@ -1,7 +1,7 @@
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#include <stdint.h>
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#include "../include/uart.h"
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#include "../include/xprintf.h"
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#include "../../bsp/include/uart.h"
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#include "../../bsp/include/xprintf.h"
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@ -1,7 +1,5 @@
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# 目录说明
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example：包含C语言程序例程。
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isa：旧的指令兼容性测试源码。RISC-V官方已经不更新了。
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isa：旧的指令兼容性测试源码，RISC-V官方已经不更新了。
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riscv-compliance：新的指令兼容性测试源码，RISC-V官方一直在更新。
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@ -1,11 +0,0 @@
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#include <stdint.h>
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extern void timer0_irq_handler() __attribute__((weak));
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void trap_handler(uint32_t mcause, uint32_t mepc)
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{
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// we have only timer0 interrupt here
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timer0_irq_handler();
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}
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