Added OpenWRT-specific field to imagetag so that we can record the real root length...

[openwrt/svn-archive/archive.git] / target / linux / brcm63xx / files / arch / mips / include / asm / mach-bcm63xx / bcm_tag.h

diff --git a/target/linux/brcm63xx/files/arch/mips/include/asm/mach-bcm63xx/bcm_tag.h b/target/linux/brcm63xx/files/arch/mips/include/asm/mach-bcm63xx/bcm_tag.h
index d6a5ee811e9de033b62bf90c3cda1272804e35d1..89650d1ea31a742e3c4220061a48dd077513cd28 100644 (file)
--- a/target/linux/brcm63xx/files/arch/mips/include/asm/mach-bcm63xx/bcm_tag.h
+++ b/target/linux/brcm63xx/files/arch/mips/include/asm/mach-bcm63xx/bcm_tag.h
@@ -48,7 +48,7 @@ struct bcm_tag {
        char cfeAddress[ADDRESS_LEN];          // 72-83: Address in memory of CFE
        char cfeLength[IMAGE_LEN];             // 84-93: Size of CFE
        char flashImageStart[ADDRESS_LEN];     // 94-105: Address in memory of image start (kernel for OpenWRT, rootfs for stock firmware)
        char cfeAddress[ADDRESS_LEN];          // 72-83: Address in memory of CFE
        char cfeLength[IMAGE_LEN];             // 84-93: Size of CFE
        char flashImageStart[ADDRESS_LEN];     // 94-105: Address in memory of image start (kernel for OpenWRT, rootfs for stock firmware)

-       char rootLength[IMAGE_LEN];            // 106-115: Size of rootfs
+       char flashRootLength[IMAGE_LEN];            // 106-115: Size of rootfs for flashing

        char kernelAddress[ADDRESS_LEN];       // 116-127: Address in memory of kernel
        char kernelLength[IMAGE_LEN];          // 128-137: Size of kernel
        char dualImage[DUALFLAG_LEN];          // 138-139: Unused at present
        char kernelAddress[ADDRESS_LEN];       // 116-127: Address in memory of kernel
        char kernelLength[IMAGE_LEN];          // 128-137: Size of kernel
        char dualImage[DUALFLAG_LEN];          // 138-139: Unused at present


@@ -61,7 +61,8 @@ struct bcm_tag {
        char imageCRC[CRC_LEN];                // 216-219: CRC32 of image less imagetag (kernel for Alice Gate)
         char rootfsCRC[CRC_LEN];               // 220-223: CRC32 of rootfs partition
         char kernelCRC[CRC_LEN];               // 224-227: CRC32 of kernel partition
        char imageCRC[CRC_LEN];                // 216-219: CRC32 of image less imagetag (kernel for Alice Gate)
         char rootfsCRC[CRC_LEN];               // 220-223: CRC32 of rootfs partition
         char kernelCRC[CRC_LEN];               // 224-227: CRC32 of kernel partition

-        char reserved1[8];                     // 228-235: Unused at present
+     char rootLength[4];                        // 228-231: steal from reserved1 to keep the real root length so we can use in the flash map even after we have change the rootLength to 0 to satisfy devices that check CRC on every boot
+        char reserved1[4];                     // 232-235: Unused at present

         char headerCRC[CRC_LEN];               // 236-239: CRC32 of header excluding tagVersion
         char reserved2[16];                    // 240-255: Unused at present
 };
         char headerCRC[CRC_LEN];               // 236-239: CRC32 of header excluding tagVersion
         char reserved2[16];                    // 240-255: Unused at present
 };