Add kernel configuration option to enable/disable HR Timer

High resolution timer can now be excluded from the build.
There is currently no HR Timer implementation for other
platform than HiSi.

Note: HR Timer will be enabled by default

Signed-off-by: Zbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I5daf8e0ceec2a17025b579513e3bd74db1040916

bsd/compat/linuxkpi/Makefile

@@ -33,6 +33,10 @@ MODULE_NAME := $(notdir $(shell pwd))
 
 LOCAL_SRCS :=  $(wildcard src/*.c)
 
+ifneq ($(LOSCFG_HRTIMER_ENABLE), y)
+LOCAL_SRCS := $(filter-out src/linux_hrtimer.c, $(LOCAL_SRCS))
+endif
+
 LOCAL_INCLUDE := \
         -I $(LITEOSTOPDIR)/kernel/base/include \
         -I $(LITEOSTOPDIR)/bsd/compat/linuxkpi/include

platform/Kconfig

@@ -56,3 +56,10 @@ config PLATFORM_BSP_GIC_V3
       General Interrupt Controller version 3.
 
 endchoice
+
+config HRTIMER_ENABLE
+    bool "HR TIMER enable"
+    default y
+    help
+      Enable High-resolution timer support
+

platform/Makefile

@@ -33,10 +33,13 @@ MODULE_NAME := bsp
 
 LOCAL_SRCS = $(wildcard $(HWI_SRC)/*.c) \
             $(wildcard $(TIMER_SRC)/*.c) \
-            $(wildcard $(HRTIMER_SRC)/*.c) \
             $(wildcard $(UART_SRC)/*.c) \
             $(wildcard ./main.c)
 
+ifeq ($(LOSCFG_HRTIMER_ENABLE), y)
+LOCAL_SRCS += $(wildcard $(HRTIMER_SRC)/*.c)
+endif
+
 LOCAL_INCLUDE += -I $(LITEOSTOPDIR)/compat/posix/src \
                  -I $(LITEOSTOPDIR)/bsd/dev/random
 

platform/bsp.mk

@@ -64,9 +64,11 @@ else ifeq ($(LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7), y)
 
 endif
 
+ifeq ($(LOSCFG_HRTIMER_ENABLE), y)
+HRTIMER_SRC := hw/$(HRTIMER_TYPE)
+endif
 HWI_SRC     := hw/$(HWI_TYPE)
 TIMER_SRC   := hw/$(TIMER_TYPE)
-HRTIMER_SRC := hw/$(HRTIMER_TYPE)
 NET_SRC     := net/$(NET_TYPE)
 UART_SRC    := uart/$(UART_TYPE)
 USB_SRC     := usb/$(USB_TYPE)