add QEMU arm 'virt' CFI flash support, enable rootfs and user-space app

fs/vfs/multi_partition/src/mtd_partition.c

@@ -71,10 +71,18 @@ static VOID MtdNorParamAssign(partition_param *spinorParam, const struct MtdDev
      * you can change the SPIBLK_NAME or SPICHR_NAME to NULL.
      */
     spinorParam->flash_mtd = (struct MtdDev *)spinorMtd;
+#ifndef LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7
     spinorParam->flash_ops = GetDevSpinorOps();
     spinorParam->char_ops = GetMtdCharFops();
     spinorParam->blockname = SPIBLK_NAME;
     spinorParam->charname = SPICHR_NAME;
+#else
+    extern struct block_operations *GetCfiBlkOps(void);
+    spinorParam->flash_ops = GetCfiBlkOps();
+    spinorParam->char_ops = NULL;
+    spinorParam->blockname = "/dev/cfiflash";
+    spinorParam->charname = NULL;
+#endif
     spinorParam->partition_head = g_spinorPartitionHead;
     spinorParam->block_size = spinorMtd->eraseSize;
 }
@@ -88,7 +96,12 @@ static VOID MtdDeinitSpinorParam(VOID)
 
 static partition_param *MtdInitSpinorParam(partition_param *spinorParam)
 {
+#ifndef LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7
     struct MtdDev *spinorMtd = GetMtd("spinor");
+#else
+    extern struct MtdDev *GetCfiMtdDev(void);
+    struct MtdDev *spinorMtd = GetCfiMtdDev();
+#endif
     if (spinorMtd == NULL) {
         return NULL;
     }
@@ -121,7 +134,7 @@ static partition_param *MtdInitSpinorParam(partition_param *spinorParam)
 /* According the flash-type to init the param of the partition. */
 static INT32 MtdInitFsparParam(const CHAR *type, partition_param **fsparParam)
 {
-    if (strcmp(type, "spinor") == 0) {
+    if (strcmp(type, "spinor") == 0 || strcmp(type, "cfi-flash") == 0) {
         g_spinorPartParam = MtdInitSpinorParam(g_spinorPartParam);
         *fsparParam = g_spinorPartParam;
     } else {
@@ -138,7 +151,7 @@ static INT32 MtdInitFsparParam(const CHAR *type, partition_param **fsparParam)
 /* According the flash-type to deinit the param of the partition. */
 static INT32 MtdDeinitFsparParam(const CHAR *type)
 {
-    if (strcmp(type, "spinor") == 0) {
+    if (strcmp(type, "spinor") == 0  || strcmp(type, "cfi-flash") == 0) {
         MtdDeinitSpinorParam();
         g_spinorPartParam = NULL;
     } else {
@@ -356,7 +369,7 @@ static INT32 DeleteParamCheck(UINT32 partitionNum,
                               const CHAR *type,
                               partition_param **param)
 {
-    if (strcmp(type, "spinor") == 0) {
+    if (strcmp(type, "spinor") == 0  || strcmp(type, "cfi-flash") == 0) {
         *param = g_spinorPartParam;
     } else {
         PRINT_ERR("type error \n");

kernel/common/los_rootfs.c

@@ -31,7 +31,7 @@
 #include "los_base.h"
 #include "los_typedef.h"
 #include "string.h"
-#ifdef LOSCFG_PLATFORM_HI3518EV300
+#if defined(LOSCFG_PLATFORM_HI3518EV300) || defined(LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7)
 #include "mtd_partition.h"
 #endif
 #ifdef LOSCFG_DRIVERS_MMC
@@ -181,6 +181,24 @@ STATIC const CHAR *GetDevName(const CHAR *rootType, INT32 rootAddr, INT32 rootSi
         rootDev = AddEmmcRootfsPart(rootAddr, rootSize);
     } else
 #endif
+
+#ifdef LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7
+#define CFIFLASH_CAPACITY   64 * 1024 * 1024
+    INT32 ret;
+    if (strcmp(rootType, "cfi-flash") == 0) {
+        ret = add_mtd_partition("cfi-flash", rootAddr, rootSize, 0);
+        if (ret != LOS_OK) {
+            PRINT_ERR("Failed to add cfi-flash root partition!\n");
+        } else {
+            rootDev = "/dev/cfiflash0";
+            ret = add_mtd_partition("cfi-flash", (rootAddr + rootSize),
+                                CFIFLASH_CAPACITY - rootAddr - rootSize, 1);
+            if (ret != LOS_OK) {
+                PRINT_ERR("Failed to add cfi-flash storage partition!\n");
+            }
+        }
+    } else
+#endif
     {
         PRINT_ERR("Failed to find root dev type: %s\n", rootType);
     }
@@ -239,8 +257,7 @@ STATIC INT32 GetArgs(CHAR **args)
      *       bootloader it will pass DTB by default.
      */
     (void)ret;
-    PRINT_ERR("Fetching bootargs unimplemented.\n");
-    goto ERROUT;
+    cmdLine = "bootargs=root=cfi-flash fstype=jffs2 rootaddr=0xA00000 rootsize=27M";
 #endif
 
     for (i = 0; i < COMMAND_LINE_SIZE; i += len + 1) {
@@ -471,6 +488,19 @@ STATIC INT32 OsMountRootfsAndUserfs(const CHAR *rootDev, const CHAR *fsType)
                 PRINT_ERR("Failed to mount /storage, errno %d: %s\n", err, strerror(err));
             }
         }
+#endif
+#ifdef LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7
+        ret = mkdir("/storage", DEFAULT_STORAGE_MOUNT_DIR_MODE);
+        if (ret != LOS_OK) {
+            err = get_errno();
+            PRINT_ERR("Failed to reserve inode /storage, errno %d: %s\n", err, strerror(err));
+        } else {
+            ret = mount("/dev/cfiflash1", "/storage", fsType, 0, NULL);
+            if (ret != LOS_OK) {
+                err = get_errno();
+                PRINT_ERR("Failed to mount /storage, errno %d: %s\n", err, strerror(err));
+            }
+        }
 #endif
     }
     return LOS_OK;

tools/build/config/debug/qemu_arm_virt_ca7_clang.config

@@ -34,6 +34,7 @@ LOSCFG_ARCH_CPU="cortex-a7"
 #
 # LOSCFG_ARCH_FPU_DISABLE is not set
 LOSCFG_IRQ_USE_STANDALONE_STACK=y
+LOSCFG_PLATFORM_ROOTFS=y
 
 #
 # Kernel
@@ -43,7 +44,7 @@ LOSCFG_KERNEL_EXTKERNEL=y
 # LOSCFG_KERNEL_CPPSUPPORT is not set
 LOSCFG_KERNEL_CPUP=y
 LOSCFG_CPUP_INCLUDE_IRQ=y
-# LOSCFG_KERNEL_DYNLOAD is not set
+LOSCFG_KERNEL_DYNLOAD=y
 # LOSCFG_KERNEL_VDSO is not set
 # LOSCFG_KERNEL_TICKLESS is not set
 # LOSCFG_KERNEL_TRACE is not set
@@ -72,7 +73,7 @@ LOSCFG_FILE_MODE=y
 # LOSCFG_FS_FAT is not set
 LOSCFG_FS_RAMFS=y
 LOSCFG_FS_PROC=y
-# LOSCFG_FS_JFFS is not set
+LOSCFG_FS_JFFS=y
 
 #
 # Net
@@ -97,7 +98,7 @@ LOSCFG_SHELL=y
 # LOSCFG_SHELL_LK is not set
 # LOSCFG_SHELL_EXCINFO is not set
 # LOSCFG_EXC_INTERACTION is not set
-# LOSCFG_USER_INIT_DEBUG is not set
+LOSCFG_USER_INIT_DEBUG=y
 # LOSCFG_SHELL_CMD_DEBUG is not set
 # LOSCFG_MEM_DEBUG is not set
 # LOSCFG_NULL_ADDRESS_PROTECT is not set
@@ -125,7 +126,7 @@ LOSCFG_DRIVERS_HDF_PLATFORM=y
 # LOSCFG_DRIVERS_HDF_USB is not set
 LOSCFG_DRIVERS_MEM=y
 # LOSCFG_DRIVERS_MMC is not set
-# LOSCFG_DRIVERS_MTD is not set
+LOSCFG_DRIVERS_MTD=y
 # LOSCFG_DRIVERS_RANDOM is not set
 # LOSCFG_DRIVERS_VIDEO is not set
 # LOSCFG_DRIVERS_HIEVENT is not set