code optimization

Change-Id: I8d2e9f96e86f4130474da9898791240b5d42328e

arch/arm/arm/include/arm.h

@@ -36,10 +36,6 @@
 #define CPSR_MODE_USR  0x10
 #define CPSR_MODE_MASK 0x1f
 
-#define DSB __asm__ volatile("dsb" ::: "memory")
-#define ISB __asm__ volatile("isb" ::: "memory")
-#define DMB __asm__ volatile("dmb" ::: "memory")
-
 STATIC INLINE UINT32 OsArmReadSctlr(VOID)
 {
     UINT32 val;

arch/arm/arm/include/hal_timer.h

@@ -45,7 +45,6 @@ extern VOID HalClockIrqClear(VOID);
 extern VOID HalClockInit(VOID);
 extern UINT64 HalClockGetCycles(VOID);
 extern VOID HalDelayUs(UINT32 usecs);
-extern UINT64 hi_sched_clock(VOID);
 extern UINT32 HalClockGetTickTimerCycles(VOID);
 extern VOID HalClockTickTimerReload(UINT64 cycles);
 

arch/arm/arm/include/los_hw_cpu.h

@@ -51,6 +51,7 @@ extern "C" {
 #define DSB     __asm__ volatile("dsb" ::: "memory")
 #define DMB     __asm__ volatile("dmb" ::: "memory")
 #define ISB     __asm__ volatile("isb" ::: "memory")
+#define WFI     __asm__ volatile("wfi" ::: "memory")
 #define BARRIER __asm__ volatile("":::"memory")
 
 #define ARM_SYSREG_READ(REG)                    \

arch/arm/arm/src/arm_generic_timer.c

@@ -162,7 +162,7 @@ VOID HalDelayUs(UINT32 usecs)
     }
 }
 
-UINT64 hi_sched_clock(VOID)
+DEPRECATED UINT64 hi_sched_clock(VOID)
 {
     return LOS_CurrNanosec();
 }

arch/arm/arm/src/los_hw.c

@@ -143,32 +143,17 @@ LITE_OS_SEC_TEXT_INIT VOID OsUserTaskStackInit(TaskContext *context, TSK_ENTRY_F
     context->PC = (UINTPTR)taskEntry;
 }
 
-VOID Sev(VOID)
-{
-    __asm__ __volatile__ ("sev" : : : "memory");
-}
-
-VOID Wfe(VOID)
-{
-    __asm__ __volatile__ ("wfe" : : : "memory");
-}
-
-VOID Wfi(VOID)
-{
-    __asm__ __volatile__ ("wfi" : : : "memory");
-}
-
-VOID Dmb(VOID)
+DEPRECATED VOID Dmb(VOID)
 {
     __asm__ __volatile__ ("dmb" : : : "memory");
 }
 
-VOID Dsb(VOID)
+DEPRECATED VOID Dsb(VOID)
 {
     __asm__ __volatile__("dsb" : : : "memory");
 }
 
-VOID Isb(VOID)
+DEPRECATED VOID Isb(VOID)
 {
     __asm__ __volatile__("isb" : : : "memory");
 }

arch/arm/include/los_exc.h

@@ -183,7 +183,7 @@ extern UINT32 LOS_ExcRegHook(EXC_PROC_FUNC excHook);
  * los_exc.h: the header file that contains the API declaration.
  * @see None.
  */
-VOID LOS_Panic(const CHAR *fmt, ...) __attribute__ ((noreturn));
+VOID LOS_Panic(const CHAR *fmt, ...) NORETURN;
 
 /**
  * @ingroup los_exc

arch/arm/include/los_hw.h

@@ -77,134 +77,6 @@ extern UINT64 g_cpuMap[];
 #define CPU_MAP_GET(cpuid)          g_cpuMap[(cpuid)]
 #define CPU_MAP_SET(cpuid, hwid)    g_cpuMap[(cpuid)] = (hwid)
 
-/**
- * @ingroup los_hw
- * @brief Set Event.
- *
- * @par Description:
- * <ul>
- * <li>This API is used to send an event to all cores within a muti-processor system.</li>
- * </ul>
- * @attention
- * <ul>
- * <li>This API is not implemented.</li>
- * </ul>
- *
- * @param None.
- *
- * @retval #None.
- *
- * @par Dependency:
- * los_hw.h: the header file that contains the API declaration.
- * @see wfe.
- */
-extern VOID Sev(VOID);
-
-/**
- * @ingroup los_hw
- * @brief Wait for event.
- *
- * @par Description:
- * <ul>
- * <li>This API is used to suspend execution until events occurs if the event register is not set.</li>
- * </ul>
- * @attention
- * <ul>
- * <li>This API is not implemented.</li>
- * </ul>
- *
- * @param None.
- *
- * @retval #None.
- *
- * @par Dependency:
- * los_hw.h: the header file that contains the API declaration.
- * @see sev.
- */
-extern VOID Wfe(VOID);
-
-/**
- * @ingroup los_hw
- * @brief Wait for interrupt.
- *
- * @par Description:
- * <ul>
- * <li>This API is used to suspend execution until interrupt or a debug request occurs.</li>
- * </ul>
- * @attention None.
- *
- * @param None.
- *
- * @retval #None.
- *
- * @par Dependency:
- * los_hw.h: the header file that contains the API declaration.
- * @see None.
- */
-extern VOID Wfi(VOID);
-
-/**
- * @ingroup los_hw
- * @brief Data Memory Barrier.
- *
- * @par Description:
- * <ul>
- * <li>This API is used as a memory barrier</li>
- * </ul>
- * @attention None.
- *
- * @param None.
- *
- * @retval #None.
- *
- * @par Dependency:
- * los_hw.h: the header file that contains the API declaration.
- * @see None.
- */
-extern VOID Dmb(VOID);
-
-/**
- * @ingroup los_hw
- * @brief Data Synchronization Barrier.
- *
- * @par Description:
- * <ul>
- * <li>This API is used as a special kind of memory barrier</li>
- * </ul>
- * @attention None.
- *
- * @param None.
- *
- * @retval #None.
- *
- * @par Dependency:
- * los_hw.h: the header file that contains the API declaration.
- * @see None.
- */
-extern VOID Dsb(VOID);
-
-/**
- * @ingroup los_hw
- * @brief Instruction Synchronization Barrier.
- *
- * @par Description:
- * <ul>
- * <li>This API is used to flush the pipeline in the processor,
- * so that all instructions following the ISB are fetched from cache or memory,
- * after the instruction has been completed.</li>
- * </ul>
- * @attention None.
- *
- * @param None.
- *
- * @retval #None.
- *
- * @par Dependency:
- * los_hw.h: the header file that contains the API declaration.
- * @see None.
- */
-extern VOID Isb(VOID);
-
 /**
  * @ingroup los_hw
  * @brief Invalidate instruction cache.

compat/posix/src/time.c

@@ -280,7 +280,7 @@ STATIC VOID OsGetHwTime(struct timespec64 *hwTime)
 {
     UINT64 nowNsec;
 
-    nowNsec = hi_sched_clock();
+    nowNsec = LOS_CurrNanosec();
     hwTime->tv_sec = nowNsec / OS_SYS_NS_PER_SECOND;
     hwTime->tv_nsec = nowNsec - hwTime->tv_sec * OS_SYS_NS_PER_SECOND;
 }
@@ -865,8 +865,8 @@ clock_t clock(VOID)
     clock_t clockMsec;
     UINT64 nowNsec;
 
-    nowNsec = hi_sched_clock();
-    clockMsec = (clock_t)(nowNsec / OS_SYS_NS_PER_MS);
+    nowNsec = LOS_CurrNanosec();
+    clockMsec = (clock_t)(nowNsec / (OS_SYS_NS_PER_SECOND / CLOCKS_PER_SEC));
 
     return clockMsec;
 }

drivers/char/random/src/random.c

@@ -58,7 +58,7 @@ static unsigned long g_seed = 1;
 
 int RanOpen(struct file *filep)
 {
-    g_seed = (unsigned long)(hi_sched_clock() & 0xffffffff);
+    g_seed = (unsigned long)(LOS_CurrNanosec() & 0xffffffff);
     return 0;
 }
 

kernel/base/core/los_task.c

@@ -117,7 +117,7 @@ VOID OsSetMainTask()
 LITE_OS_SEC_TEXT WEAK VOID OsIdleTask(VOID)
 {
     while (1) {
-        Wfi();
+        WFI;
     }
 }
 

kernel/base/include/los_vm_iomap.h

@@ -46,11 +46,6 @@ enum DmaMemType {
     DMA_NOCACHE
 };
 
-#define IS_PERIPH_ADDR(addr) \
-    (((addr) >= U32_C(PERIPH_PMM_BASE)) && ((addr) <= U32_C(PERIPH_PMM_BASE) + U32_C(PERIPH_PMM_SIZE)))
-#define IS_MEMORY_ADDR(addr) \
-    (((addr) >= U32_C(DDR_MEM_ADDR)) && ((addr) <= U32_C(DDR_MEM_ADDR) + U32_C(DDR_MEM_SIZE)))
-
 /* thread safety */
 VOID *LOS_DmaMemAlloc(DMA_ADDR_T *dmaAddr, size_t size, size_t align, enum DmaMemType type);
 VOID LOS_DmaMemFree(VOID *vaddr);

kernel/base/vm/los_vm_iomap.c

@@ -43,114 +43,6 @@ extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-VOID *ioremap(PADDR_T paddr, unsigned long size)
-{
-    if (IS_PERIPH_ADDR(paddr) && IS_PERIPH_ADDR(paddr + size)) {
-        return (VOID *)(UINTPTR)IO_DEVICE_ADDR(paddr);
-    }
-
-    VM_ERR("ioremap failed invalid addr or size %p %d", paddr, size);
-    return (VOID *)(UINTPTR)paddr;
-}
-
-VOID iounmap(VOID *vaddr) {}
-
-VOID *ioremap_nocache(PADDR_T paddr, unsigned long size)
-{
-    if (IS_PERIPH_ADDR(paddr) && IS_PERIPH_ADDR(paddr + size)) {
-        return (VOID *)(UINTPTR)IO_UNCACHED_ADDR(paddr);
-    }
-
-    if (IS_MEMORY_ADDR(paddr) && IS_MEMORY_ADDR(paddr + size)) {
-        return (VOID *)(UINTPTR)MEM_UNCACHED_ADDR(paddr);
-    }
-
-    VM_ERR("ioremap_nocache failed invalid addr or size %p %d", paddr, size);
-    return (VOID *)(UINTPTR)paddr;
-}
-
-VOID *ioremap_cached(PADDR_T paddr, unsigned long size)
-{
-    if (IS_PERIPH_ADDR(paddr) && IS_PERIPH_ADDR(paddr + size)) {
-        return (VOID *)(UINTPTR)IO_CACHED_ADDR(paddr);
-    }
-
-    if (IS_MEMORY_ADDR(paddr) && IS_MEMORY_ADDR(paddr + size)) {
-        return (VOID *)(UINTPTR)MEM_CACHED_ADDR(paddr);
-    }
-
-    VM_ERR("ioremap_cached failed invalid addr or size %p %d", paddr, size);
-    return (VOID *)(UINTPTR)paddr;
-}
-
-#ifdef LOSCFG_KERNEL_VM
-int remap_pfn_range(VADDR_T vaddr, unsigned long pfn, unsigned long size, unsigned long prot)
-{
-    STATUS_T status = LOS_OK;
-    int ret;
-    LosVmMapRegion *region = NULL;
-    unsigned long vpos;
-    unsigned long end;
-    unsigned long paddr = pfn << PAGE_SHIFT;
-    LosVmSpace *space = LOS_SpaceGet(vaddr);
-
-    if (size == 0) {
-        VM_ERR("invalid map size %u", size);
-        return LOS_ERRNO_VM_INVALID_ARGS;
-    }
-    size = ROUNDUP(size, PAGE_SIZE);
-
-    if (!IS_PAGE_ALIGNED(vaddr) || pfn == 0) {
-        VM_ERR("invalid map map vaddr %x or pfn %x", vaddr, pfn);
-        return LOS_ERRNO_VM_INVALID_ARGS;
-    }
-
-    if (space == NULL) {
-        VM_ERR("aspace not exists");
-        return LOS_ERRNO_VM_NOT_FOUND;
-    }
-
-    (VOID)LOS_MuxAcquire(&space->regionMux);
-
-    region = LOS_RegionFind(space, vaddr);
-    if (region == NULL) {
-        VM_ERR("region not exists");
-        status = LOS_ERRNO_VM_NOT_FOUND;
-        goto OUT;
-    }
-    end = vaddr + size;
-    if (region->range.base + region->range.size < end) {
-        VM_ERR("out of range:base=%x size=%d vaddr=%x len=%u",
-               region->range.base, region->range.size, vaddr, size);
-        status = LOS_ERRNO_VM_INVALID_ARGS;
-        goto OUT;
-    }
-
-    /* check */
-    for (vpos = vaddr; vpos < end; vpos += PAGE_SIZE) {
-        status = LOS_ArchMmuQuery(&space->archMmu, (VADDR_T)vpos, NULL, NULL);
-        if (status == LOS_OK) {
-            VM_ERR("remap_pfn_range, address mapping already exist");
-            status = LOS_ERRNO_VM_INVALID_ARGS;
-            goto OUT;
-        }
-    }
-
-    /* map all */
-    ret = LOS_ArchMmuMap(&space->archMmu, vaddr, paddr, size >> PAGE_SHIFT, prot);
-    if (ret <= 0) {
-        VM_ERR("ioremap LOS_ArchMmuMap failed err = %d", ret);
-        goto OUT;
-    }
-
-    status = LOS_OK;
-
-OUT:
-    (VOID)LOS_MuxRelease(&space->regionMux);
-    return status;
-}
-#endif
-
 VOID *LOS_DmaMemAlloc(DMA_ADDR_T *dmaAddr, size_t size, size_t align, enum DmaMemType type)
 {
     VOID *kVaddr = NULL;

kernel/extended/vdso/src/los_vdso.c

@@ -108,12 +108,12 @@ LOCK_RELEASE:
 STATIC VOID OsLockVdso(VdsoDataPage *vdsoDataPage)
 {
     vdsoDataPage->lockCount = 1;
-    Dmb();
+    DMB;
 }
 
 STATIC VOID OsUnlockVdso(VdsoDataPage *vdsoDataPage)
 {
-    Dmb();
+    DMB;
     vdsoDataPage->lockCount = 0;
 }
 

kernel/include/los_base.h

@@ -93,73 +93,73 @@ extern VOID PrintExcInfo(const CHAR *fmt, ...);
  * @ingroup los_base
  * Read a UINT8 value from addr and stroed in value.
  */
-#define READ_UINT8(value, addr)                     ({ (value) = *((volatile UINT8 *)((UINTPTR)(addr))); Dsb(); })
+#define READ_UINT8(value, addr)                     ({ (value) = *((volatile UINT8 *)((UINTPTR)(addr))); DSB; })
 
 /**
  * @ingroup los_base
  * Read a UINT16 value from addr and stroed in addr.
  */
-#define READ_UINT16(value, addr)                    ({ (value) = *((volatile UINT16 *)((UINTPTR)(addr))); Dsb(); })
+#define READ_UINT16(value, addr)                    ({ (value) = *((volatile UINT16 *)((UINTPTR)(addr))); DSB; })
 
 /**
  * @ingroup los_base
  * Read a UINT32 value from addr and stroed in value.
  */
-#define READ_UINT32(value, addr)                    ({ (value) = *((volatile UINT32 *)((UINTPTR)(addr))); Dsb(); })
+#define READ_UINT32(value, addr)                    ({ (value) = *((volatile UINT32 *)((UINTPTR)(addr))); DSB; })
 
 /**
  * @ingroup los_base
  * Read a UINT64 value from addr and stroed in value.
  */
-#define READ_UINT64(value, addr)                    ({ (value) = *((volatile UINT64 *)((UINTPTR)(addr))); Dsb(); })
+#define READ_UINT64(value, addr)                    ({ (value) = *((volatile UINT64 *)((UINTPTR)(addr))); DSB; })
 
 /**
  * @ingroup los_base
  * Write a UINT8 value to addr.
  */
-#define WRITE_UINT8(value, addr)                    ({ Dsb(); *((volatile UINT8 *)((UINTPTR)(addr))) = (value); })
+#define WRITE_UINT8(value, addr)                    ({ DSB; *((volatile UINT8 *)((UINTPTR)(addr))) = (value); })
 
 /**
  * @ingroup los_base
  * Write a UINT16 value to addr.
  */
-#define WRITE_UINT16(value, addr)                   ({ Dsb(); *((volatile UINT16 *)((UINTPTR)(addr))) = (value); })
+#define WRITE_UINT16(value, addr)                   ({ DSB; *((volatile UINT16 *)((UINTPTR)(addr))) = (value); })
 
 /**
  * @ingroup los_base
  * Write a UINT32 value to addr.
  */
-#define WRITE_UINT32(value, addr)                   ({ Dsb(); *((volatile UINT32 *)((UINTPTR)(addr))) = (value); })
+#define WRITE_UINT32(value, addr)                   ({ DSB; *((volatile UINT32 *)((UINTPTR)(addr))) = (value); })
 
 /**
  * @ingroup los_base
  * Write a UINT64 addr to addr.
  */
-#define WRITE_UINT64(value, addr)                   ({ Dsb(); *((volatile UINT64 *)((UINTPTR)(addr))) = (value); })
+#define WRITE_UINT64(value, addr)                   ({ DSB; *((volatile UINT64 *)((UINTPTR)(addr))) = (value); })
 
 /**
  * @ingroup los_base
  * Get a UINT8 value from addr.
  */
-#define GET_UINT8(addr)                             ({ UINT8 r = *((volatile UINT8 *)((UINTPTR)(addr))); Dsb(); r; })
+#define GET_UINT8(addr)                             ({ UINT8 r = *((volatile UINT8 *)((UINTPTR)(addr))); DSB; r; })
 
 /**
  * @ingroup los_base
  * Get a UINT16 value from addr.
  */
-#define GET_UINT16(addr)                            ({ UINT16 r = *((volatile UINT16 *)((UINTPTR)(addr))); Dsb(); r; })
+#define GET_UINT16(addr)                            ({ UINT16 r = *((volatile UINT16 *)((UINTPTR)(addr))); DSB; r; })
 
 /**
  * @ingroup los_base
  * Get a UINT32 value from addr.
  */
-#define GET_UINT32(addr)                            ({ UINT32 r = *((volatile UINT32 *)((UINTPTR)(addr))); Dsb(); r; })
+#define GET_UINT32(addr)                            ({ UINT32 r = *((volatile UINT32 *)((UINTPTR)(addr))); DSB; r; })
 
 /**
  * @ingroup los_base
  * Get a UINT64 value from addr.
  */
-#define GET_UINT64(addr)                            ({ UINT64 r = *((volatile UINT64 *)((UINTPTR)(addr))); Dsb(); r; })
+#define GET_UINT64(addr)                            ({ UINT64 r = *((volatile UINT64 *)((UINTPTR)(addr))); l; r; })
 
 #ifdef LOSCFG_DEBUG_VERSION
 #define LOS_ASSERT(judge) do {                                                     \

kernel/include/los_toolchain.h

@@ -73,6 +73,14 @@ extern "C" {
 #define CLZ(value)                                  (__clz(value))
 #endif
 
+#ifndef NORETURN
+#define NORETURN                                    __declspec(noreturn)
+#endif
+
+#ifndef DEPRECATED
+#define DEPRECATED                                  __attribute__((deprecated))
+#endif
+
 /* for IAR Compiler */
 #elif defined ( __ICCARM__ )
 
@@ -104,6 +112,14 @@ extern "C" {
 #define CTZ(value)                                  (__UNDEFINED(value))
 #endif
 
+#ifndef NORETURN
+#define NORETURN                                    __attribute__ ((__noreturn__))
+#endif
+
+#ifndef DEPRECATED
+#define DEPRECATED                                  __attribute__((deprecated))
+#endif
+
 /* for GNU Compiler */
 #elif defined ( __GNUC__ )
 
@@ -135,6 +151,14 @@ extern "C" {
 #define CTZ(value)                                  (__builtin_ctz(value))
 #endif
 
+#ifndef NORETURN
+#define NORETURN                                    __attribute__ ((__noreturn__))
+#endif
+
+#ifndef DEPRECATED
+#define DEPRECATED                                  __attribute__((deprecated))
+#endif
+
 #else
 #error Unknown compiler.
 #endif