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dtest/pmu_diag_test/Makefile

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+
+# OUTPUT type
+# 1 - .out
+# 2 - .a
+# 3 - .so
+OUTPUT_TYPE	= 1
+OUTPUT_NAME	= pmu_diag_test
+
+SUB_DIRS	= ./src
+
+# .h files dir
+ADD_INCLUDE += $(TOPDIR)/inc/io_lib $(TOPDIR)/inc/driver
+
+# predefined macro
+PRE_MARCO   +=
+
+LD_SCRIPT = link_pmu_test.lds
+
+ifeq ($(gcc),arm)
+ADD_LIB = cm3
+ADD_LIBDIR  = $(TOPDIR)/startup/cm3
+else
+ADD_LIB = riscv
+ifeq ($(target), kunlun2)
+ADD_LIBDIR = $(TOPDIR)/startup/riscv2
+else
+ADD_LIBDIR = $(TOPDIR)/startup/riscv
+endif
+endif
+
+# lib dir
+ADD_LIBDIR  += $(TOPDIR)/driver $(TOPDIR)/common/io_lib
+# lib need to ld together
+ADD_LIB  += driver io_lib
+
+#####################################################
+
+ifdef TOPDIR
+include $(TOPDIR)/build/makefile.cfg
+else
+include $(CURDIR)/build/makefile.cfg
+TOPDIR		= $(CURDIR)
+export TOPDIR 
+endif
+
+dump:
+	$(OBJDUMP) -D -S -l $(OUTPUT_FULL_NAME) > $(OUTPUT_FULL_NAME).dump
+	
+# display the obj files and output name
+debug:
+	@echo TOPDIR=$(TOPDIR)
+	@echo OUTPUT_LIB=$(OUTPUT_FULL_NAME)
+	@echo DEPS=$(DEPS)
+	@echo OBJECTS=$(OBJECTS)
+	@echo SRCS=$(SRCS)
+	@echo OBJECTS folder=$(foreach dirname, $(SUB_DIRS), $(addprefix $(BIN_DIR)/, $(dirname)))
+	@echo output_name=$(OUTPUT_FULL_NAME)

dtest/pmu_diag_test/src/pmu_diag_test.c

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+/****************************************************************************
+
+Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
+
+This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
+be copied by any method or incorporated into another program without
+the express written consent of Aerospace C.Power. This Information or any portion
+thereof remains the property of Aerospace C.Power. The Information contained herein
+is believed to be accurate and Aerospace C.Power assumes no responsibility or
+liability for its use in any way and conveys no license or title under
+any patent or copyright and makes no representation or warranty that this
+Information is free from patent or copyright infringement.
+****************************************************************************/
+
+typedef unsigned int uint32_t;
+typedef unsigned char uint8_t;
+
+#ifndef BIT
+#define BIT(b)  (1<<(b))
+#endif
+#define REG32(a)		(*((volatile uint32_t *)(a)))
+#define ROM_NOP()       __asm volatile("nop\n")
+
+int main(void)
+{
+    uint32_t i = 0;
+    for(i = 0; i < 0xfffffff; i++) {
+        REG32(0x9000c000) = i;
+        for(volatile uint32_t j = 0; j < 10000; j++);
+    }
+
+    return 0;
+}