]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - include/config_distro_bootcmd.h
axs10x: add support of generic EHCI USB 2.0 controller
[people/ms/u-boot.git] / include / config_distro_bootcmd.h
index 07a0b3b23472df57a1e38a32ba7085e0c1f65fea..66264ce3b4711a610bca600a72419a6d6d672749 100644 (file)
 #ifndef _CONFIG_CMD_DISTRO_BOOTCMD_H
 #define _CONFIG_CMD_DISTRO_BOOTCMD_H
 
+/*
+ * A note on error handling: It is possible for BOOT_TARGET_DEVICES to
+ * reference a device that is not enabled in the U-Boot configuration, e.g.
+ * it may include MMC in the list without CONFIG_CMD_MMC being enabled. Given
+ * that BOOT_TARGET_DEVICES is a macro that's expanded by the C pre-processor
+ * at compile time, it's not  possible to detect and report such problems via
+ * a simple #ifdef/#error combination. Still, the code needs to report errors.
+ * The best way I've found to do this is to make BOOT_TARGET_DEVICES expand to
+ * reference a non-existent symbol, and have the name of that symbol encode
+ * the error message. Consequently, this file contains references to e.g.
+ * BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC. Given the
+ * prevalence of capitals here, this looks like a pre-processor macro and
+ * hence seems like it should be all capitals, but it's really an error
+ * message that includes some other pre-processor symbols in the text.
+ */
+
 /* We need the part command */
 #define CONFIG_PARTITION_UUIDS
 #define CONFIG_CMD_PART
 #define BOOTENV_DEV_NAME_BLKDEV(devtypeu, devtypel, instance) \
        #devtypel #instance " "
 
+#ifdef CONFIG_SANDBOX
+#define BOOTENV_SHARED_HOST    BOOTENV_SHARED_BLKDEV(host)
+#define BOOTENV_DEV_HOST       BOOTENV_DEV_BLKDEV
+#define BOOTENV_DEV_NAME_HOST  BOOTENV_DEV_NAME_BLKDEV
+#else
+#define BOOTENV_SHARED_HOST
+#define BOOTENV_DEV_HOST \
+       BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX
+#define BOOTENV_DEV_NAME_HOST \
+       BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX
+#endif
+
 #ifdef CONFIG_CMD_MMC
 #define BOOTENV_SHARED_MMC     BOOTENV_SHARED_BLKDEV(mmc)
 #define BOOTENV_DEV_MMC                BOOTENV_DEV_BLKDEV
        BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
 #endif
 
+#ifdef CONFIG_CMD_UBIFS
+#define BOOTENV_SHARED_UBIFS \
+       "ubifs_boot=" \
+               "if ubi part UBI && ubifsmount ubi${devnum}:boot; then "  \
+                       "setenv devtype ubi; "                            \
+                       "setenv bootpart 0; "                             \
+                       "run scan_dev_for_boot; "                         \
+               "fi\0"
+#define BOOTENV_DEV_UBIFS      BOOTENV_DEV_BLKDEV
+#define BOOTENV_DEV_NAME_UBIFS BOOTENV_DEV_NAME_BLKDEV
+#else
+#define BOOTENV_SHARED_UBIFS
+#define BOOTENV_DEV_UBIFS \
+       BOOT_TARGET_DEVICES_references_UBIFS_without_CONFIG_CMD_UBIFS
+#define BOOTENV_DEV_NAME_UBIFS \
+       BOOT_TARGET_DEVICES_references_UBIFS_without_CONFIG_CMD_UBIFS
+#endif
+
 #ifdef CONFIG_CMD_SATA
 #define BOOTENV_SHARED_SATA    BOOTENV_SHARED_BLKDEV(sata)
 #define BOOTENV_DEV_SATA       BOOTENV_DEV_BLKDEV
 #define BOOTENV_DEV(devtypeu, devtypel, instance) \
        BOOTENV_DEV_##devtypeu(devtypeu, devtypel, instance)
 #define BOOTENV \
+       BOOTENV_SHARED_HOST \
        BOOTENV_SHARED_MMC \
        BOOTENV_SHARED_USB \
        BOOTENV_SHARED_SATA \
        BOOTENV_SHARED_SCSI \
        BOOTENV_SHARED_IDE \
+       BOOTENV_SHARED_UBIFS \
        "boot_prefixes=/ /boot/\0" \
        "boot_scripts=boot.scr.uimg boot.scr\0" \
        "boot_script_dhcp=boot.scr.uimg\0" \
        BOOTENV_BOOT_TARGETS \
        \
        "boot_extlinux="                                                  \
-               "sysboot ${devtype} ${devnum}:${bootpart} any "           \
+               "sysboot ${devtype} ${devnum}:${distro_bootpart} any "    \
                        "${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \
        \
        "scan_dev_for_extlinux="                                          \
-               "if test -e ${devtype} ${devnum}:${bootpart} "            \
+               "if test -e ${devtype} "                                  \
+                               "${devnum}:${distro_bootpart} "           \
                                "${prefix}extlinux/extlinux.conf; then "  \
                        "echo Found ${prefix}extlinux/extlinux.conf; "    \
                        "run boot_extlinux; "                             \
                "fi\0"                                                    \
        \
        "boot_a_script="                                                  \
-               "load ${devtype} ${devnum}:${bootpart} "                  \
+               "load ${devtype} ${devnum}:${distro_bootpart} "           \
                        "${scriptaddr} ${prefix}${script}; "              \
                "source ${scriptaddr}\0"                                  \
        \
        "scan_dev_for_scripts="                                           \
                "for script in ${boot_scripts}; do "                      \
-                       "if test -e ${devtype} ${devnum}:${bootpart} "    \
+                       "if test -e ${devtype} "                          \
+                                       "${devnum}:${distro_bootpart} "   \
                                        "${prefix}${script}; then "       \
                                "echo Found U-Boot script "               \
                                        "${prefix}${script}; "            \
                "done\0"                                                  \
        \
        "scan_dev_for_boot="                                              \
-               "echo Scanning ${devtype} ${devnum}:${bootpart}...; "     \
+               "echo Scanning ${devtype} "                               \
+                               "${devnum}:${distro_bootpart}...; "       \
                "for prefix in ${boot_prefixes}; do "                     \
                        "run scan_dev_for_extlinux; "                     \
                        "run scan_dev_for_scripts; "                      \
                "done\0"                                                  \
        \
        "scan_dev_for_boot_part="                                         \
-               "part list ${devtype} ${devnum} devplist; "               \
-               "for bootpart in ${devplist}; do "                        \
-                       "if fstype ${devtype} ${devnum}:${bootpart} "     \
+               "part list ${devtype} ${devnum} -bootable devplist; "     \
+               "env exists devplist || setenv devplist 1; "              \
+               "for distro_bootpart in ${devplist}; do "                 \
+                       "if fstype ${devtype} "                           \
+                                       "${devnum}:${distro_bootpart} "   \
                                        "bootfstype; then "               \
                                "run scan_dev_for_boot; "                 \
                        "fi; "                                            \