chore: add a mini config for qemu arm virt

support turn off as many features as possible.
current only libc and posix and bsd can not be turned off.
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: I1e97570c67593207a56dc11f357eca4b4a018bfd

Makefile

@@ -145,10 +145,9 @@ genconfig:$(MENUCONFIG_CONF)
 	$< --silentoldconfig $(KCONFIG_FILE_PATH)
 ##### menuconfig end #######
 
-$(LITEOS_MENUCONFIG_H):
-ifneq ($(LITEOS_MENUCONFIG_H), $(wildcard $(LITEOS_MENUCONFIG_H)))
+$(LITEOS_MENUCONFIG_H): .config
 	$(HIDE)$(MAKE) genconfig
-endif
+
 $(LITEOS_TARGET): $(__LIBS)
 	$(HIDE)touch $(LOSCFG_ENTRY_SRC)
 

arch/arm/arm/src/los_exc.c

@@ -676,7 +676,9 @@ VOID BackTraceSub(UINTPTR regFP)
     UINTPTR backFP = regFP;
     UINT32 count = 0;
     VADDR_T kvaddr;
+#ifdef LOSCFG_KERNEL_VM
     LosProcessCB *runProcess = OsCurrProcessGet();
+#endif
 
     if (FindSuitableStack(regFP, &stackStart, &stackEnd, &kvaddr) == FALSE) {
         PrintExcInfo("traceback error fp = 0x%x\n", regFP);

compat/posix/src/mqueue.c

@@ -30,6 +30,7 @@
  */
 
 #include "mqueue.h"
+#ifdef LOSCFG_FS_VFS
 #include "fcntl.h"
 #include "pthread.h"
 #include "map_error.h"
@@ -831,3 +832,4 @@ ssize_t mq_receive(mqd_t personal, char *msg_ptr, size_t msg_len, unsigned int *
     return mq_timedreceive(personal, msg_ptr, msg_len, msg_prio, NULL);
 }
 
+#endif

compat/posix/src/time.c

@@ -451,6 +451,7 @@ int clock_settime(clockid_t clockID, const struct timespec *tp)
     return settimeofday(&tv, NULL);
 }
 
+#ifdef LOSCFG_KERNEL_CPUP
 static int PthreadGetCputime(clockid_t clockID, struct timespec *ats)
 {
     uint64_t runtime;
@@ -519,12 +520,47 @@ static int GetCputime(clockid_t clockID, struct timespec *tp)
     return ret;
 }
 
+static int CheckClock(const clockid_t clockID)
+{
+    int error = 0;
+    const pid_t pid = ((pid_t) ~((clockID) >> CPUCLOCK_ID_OFFSET));
+
+    if (!((UINT32)clockID & CPUCLOCK_PERTHREAD_MASK)) {
+        LosProcessCB *spcb = NULL;
+        if (OsProcessIDUserCheckInvalid(pid) || pid < 0) {
+            return -EINVAL;
+        }
+        spcb = OS_PCB_FROM_PID(pid);
+        if (OsProcessIsUnused(spcb)) {
+            error = -EINVAL;
+        }
+    } else {
+        error = -EINVAL;
+    }
+
+    return error;
+}
+
+static int CpuClockGetres(const clockid_t clockID, struct timespec *tp)
+{
+    if (clockID > 0) {
+        return -EINVAL;
+    }
+
+    int error = CheckClock(clockID);
+    if (!error) {
+        error = ProcessGetCputime(clockID, tp);
+    }
+
+    return error;
+}
+#endif
+
 int clock_gettime(clockid_t clockID, struct timespec *tp)
 {
     UINT32 intSave;
     struct timespec64 tmp = {0};
     struct timespec64 hwTime = {0};
-    int ret;
 
     if (clockID > MAX_CLOCKS) {
         goto ERROUT;
@@ -566,61 +602,24 @@ int clock_gettime(clockid_t clockID, struct timespec *tp)
         case CLOCK_TAI:
             TIME_RETURN(ENOTSUP);
         default:
-            {
+        {
 #ifdef LOSCFG_KERNEL_CPUP
-                ret = GetCputime(clockID, tp);
+            int ret = GetCputime(clockID, tp);
                 TIME_RETURN(-ret);
 #else
-                TIME_RETURN(EINVAL);
+            TIME_RETURN(EINVAL);
 #endif
-            }
+        }
     }
 
     return 0;
 
-ERROUT:
+    ERROUT:
     TIME_RETURN(EINVAL);
 }
 
-static int CheckClock(const clockid_t clockID)
-{
-    int error = 0;
-    const pid_t pid = ((pid_t) ~((clockID) >> CPUCLOCK_ID_OFFSET));
-
-    if (!((UINT32)clockID & CPUCLOCK_PERTHREAD_MASK)) {
-        LosProcessCB *spcb = NULL;
-        if (OsProcessIDUserCheckInvalid(pid) || pid < 0) {
-            return -EINVAL;
-        }
-        spcb = OS_PCB_FROM_PID(pid);
-        if (OsProcessIsUnused(spcb)) {
-            error = -EINVAL;
-        }
-    } else {
-        error = -EINVAL;
-    }
-
-    return error;
-}
-
-static int CpuClockGetres(const clockid_t clockID, struct timespec *tp)
-{
-    if (clockID > 0) {
-        return -EINVAL;
-    }
-
-    int error = CheckClock(clockID);
-    if (!error) {
-        error = ProcessGetCputime(clockID, tp);
-    }
-
-    return error;
-}
-
 int clock_getres(clockid_t clockID, struct timespec *tp)
 {
-    int ret;
-
     if (tp == NULL) {
         TIME_RETURN(EINVAL);
     }
@@ -650,7 +649,7 @@ int clock_getres(clockid_t clockID, struct timespec *tp)
         default:
 #ifdef LOSCFG_KERNEL_CPUP
             {
-                ret = CpuClockGetres(clockID, tp);
+                int ret = CpuClockGetres(clockID, tp);
                 TIME_RETURN(-ret);
             }
 #else

kernel/base/core/los_process.c

@@ -749,8 +749,12 @@ LITE_OS_SEC_TEXT_INIT UINT32 OsSystemProcessCreate(VOID)
     LOS_ListTailInsert(&kerInitProcess->childrenList, &idleProcess->siblingList);
     idleProcess->group = kerInitProcess->group;
     LOS_ListTailInsert(&kerInitProcess->group->processList, &idleProcess->subordinateGroupList);
+#ifdef LOSCFG_SECURITY_CAPABILITY
     idleProcess->user = kerInitProcess->user;
+#endif
+#ifdef LOSCFG_FS_VFS
     idleProcess->files = kerInitProcess->files;
+#endif
 
     ret = OsIdleTaskCreate();
     if (ret != LOS_OK) {

kernel/base/include/los_vm_filemap.h

@@ -37,7 +37,9 @@
 #ifndef __LOS_VM_FILEMAP_H__
 #define __LOS_VM_FILEMAP_H__
 
+#ifdef LOSCFG_FS_VFS
 #include "fs/file.h"
+#endif
 #include "los_vm_map.h"
 #include "los_vm_page.h"
 #include "los_vm_common.h"

kernel/base/misc/sysinfo_shellcmd.c

@@ -34,6 +34,7 @@
 #include "los_sem_pri.h"
 #include "los_queue_pri.h"
 #include "los_swtmr_pri.h"
+#include "los_task_pri.h"
 
 #ifdef LOSCFG_SHELL
 #include "shcmd.h"

kernel/base/misc/vm_shellcmd.c

@@ -42,8 +42,9 @@
 #include "los_oom.h"
 #include "los_vm_dump.h"
 #include "los_process_pri.h"
+#ifdef LOSCFG_FS_VFS
 #include "fs/path_cache.h"
-
+#endif
 
 #ifdef LOSCFG_KERNEL_VM
 

kernel/base/vm/los_vm_dump.c

@@ -36,7 +36,9 @@
 
 #include "los_vm_dump.h"
 #include "los_mmu_descriptor_v6.h"
+#ifdef LOSCFG_FS_VFS
 #include "fs/fs.h"
+#endif
 #include "los_printf.h"
 #include "los_vm_page.h"
 #include "los_vm_phys.h"

kernel/base/vm/los_vm_filemap.c

@@ -42,6 +42,9 @@
 #include "los_process_pri.h"
 #include "los_vm_lock.h"
 
+#ifndef UNUSED
+#define UNUSED(x)          (VOID)x
+#endif
 
 #ifdef LOSCFG_KERNEL_VM
 

kernel/base/vm/los_vm_map.c

@@ -40,7 +40,9 @@
 #include "los_vm_shm_pri.h"
 #include "los_arch_mmu.h"
 #include "los_process_pri.h"
+#ifdef LOSCFG_FS_VFS
 #include "fs/fs.h"
+#endif
 #include "los_task.h"
 #include "los_memory_pri.h"
 #include "los_vm_boot.h"

kernel/base/vm/los_vm_phys.c

@@ -626,7 +626,7 @@ size_t LOS_PhysPagesFree(LOS_DL_LIST *list)
 #else
 VADDR_T *LOS_PaddrToKVaddr(PADDR_T paddr)
 {
-    if ((paddr < DDR_MEM_ADDR) || (paddr >= (DDR_MEM_ADDR + DDR_MEM_SIZE))) {
+    if ((paddr < DDR_MEM_ADDR) || (paddr >= ((PADDR_T)DDR_MEM_ADDR + DDR_MEM_SIZE))) {
         return NULL;
     }
 

kernel/common/los_config.c

@@ -280,6 +280,13 @@ LITE_OS_SEC_TEXT_INIT INT32 OsMain(VOID)
     return LOS_OK;
 }
 
+#ifndef LOSCFG_PLATFORM_ADAPT
+STATIC VOID SystemInit(VOID)
+{
+    PRINTK("dummy: *** %s ***\n", __FUNCTION__);
+}
+#endif
+
 STATIC UINT32 OsSystemInitTaskCreate(VOID)
 {
     UINT32 taskID;

kernel/common/los_printf.c

@@ -85,6 +85,7 @@ STATIC VOID UartOutput(const CHAR *str, UINT32 len, BOOL isLock)
 #endif
 }
 
+#ifdef LOSCFG_PLATFORM_CONSOLE
 STATIC VOID ConsoleOutput(const CHAR *str, UINT32 len)
 {
     ssize_t writen = 0;
@@ -100,6 +101,7 @@ STATIC VOID ConsoleOutput(const CHAR *str, UINT32 len)
         toWrite -= cnt;
     }
 }
+#endif
 
 VOID OutputControl(const CHAR *str, UINT32 len, OutputType type)
 {

syscall/los_syscall.h

@@ -36,7 +36,9 @@
 #include "los_task.h"
 #include "los_mux.h"
 #include "los_signal.h"
+#ifdef LOSCFG_FS_VFS
 #include "fs/fs.h"
+#endif
 #include "syscall.h"
 #include "sysinfo.h"
 #ifdef LOSCFG_KERNEL_DYNLOAD
@@ -48,7 +50,9 @@
 #include "sys/shm.h"
 #include "poll.h"
 #include "utime.h"
+#ifdef LOSCFG_COMPAT_POSIX
 #include "mqueue.h"
+#endif
 #include "time.h"
 #include "sys/time.h"
 #include "sys/stat.h"
@@ -107,6 +111,8 @@ extern int SysFutex(const unsigned int *uAddr, unsigned int flags, int val,
                     unsigned int absTime, const unsigned int *newUserAddr);
 extern int SysSchedGetAffinity(int id, unsigned int *cpuset, int flag);
 extern int SysSchedSetAffinity(int id, const unsigned short cpuset, int flag);
+
+#ifdef LOSCFG_COMPAT_POSIX
 extern mqd_t SysMqOpen(const char *mqName, int openFlag, mode_t mode, struct mq_attr *attr);
 extern int SysMqClose(mqd_t personal);
 extern int SysMqGetSetAttr(mqd_t mqd, const struct mq_attr *new, struct mq_attr *old);
@@ -116,6 +122,8 @@ extern int SysMqTimedSend(mqd_t personal, const char *msg, size_t msgLen, unsign
                           const struct timespec *absTimeout);
 extern ssize_t SysMqTimedReceive(mqd_t personal, char *msg, size_t msgLen, unsigned int *msgPrio,
                                  const struct timespec *absTimeout);
+#endif
+
 extern int SysSigAction(int sig, const sigaction_t *restrict sa, sigaction_t *restrict old, size_t sigsetsize);
 extern int SysSigprocMask(int how, const sigset_t_l *restrict set, sigset_t *restrict old, size_t sigsetsize);
 extern int SysKill(pid_t pid, int sig);

tools/build/config/qemu_arm_virt_mini.config

+LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7=y
+LOSCFG_BOARD_CONFIG_PATH="device/qemu/arm_virt/liteos_a/config/board"
+# LOSCFG_HRTIMER_ENABLE is not set
+# LOSCFG_IRQ_USE_STANDALONE_STACK is not set
+# LOSCFG_KERNEL_MMU is not set
+# LOSCFG_KERNEL_EXTKERNEL is not set
+# LOSCFG_BASE_CORE_HILOG is not set
+# LOSCFG_LIB_ZLIB is not set
+# LOSCFG_FS_VFS is not set
+# LOSCFG_NET_LWIP_SACK is not set
+# LOSCFG_PLATFORM_ADAPT is not set
+# LOSCFG_ENABLE_MAGICKEY is not set
+# LOSCFG_DRIVERS is not set
+# LOSCFG_SECURITY is not set