From b97a2a0a21f279d66de8a9bdbfe21920968bcb1c Mon Sep 17 00:00:00 2001 From: Marian Balakowicz Date: Tue, 8 Jan 2008 18:14:09 +0100 Subject: [new uImage] Define a API for image handling operations - Add inline helper macros for basic header processing - Move common non inline code common/image.c - Replace direct header access with the API routines - Rename IH_CPU_* to IH_ARCH_* Signed-off-by: Marian Balakowicz --- lib_i386/zimage.c | 33 ++++++++++++++++----------------- 1 file changed, 16 insertions(+), 17 deletions(-) (limited to 'lib_i386/zimage.c') diff --git a/lib_i386/zimage.c b/lib_i386/zimage.c index 3510f2fd64..20f9f8d84b 100644 --- a/lib_i386/zimage.c +++ b/lib_i386/zimage.c @@ -251,25 +251,24 @@ image_header_t *fake_zimage_header(image_header_t *hdr, void *ptr, int size) #else checksum = 0; #endif - memset(hdr, 0, sizeof(image_header_t)); + memset(hdr, 0, image_get_header_size ()); /* Build new header */ - hdr->ih_magic = htonl(IH_MAGIC); - hdr->ih_time = 0; - hdr->ih_size = htonl(size); - hdr->ih_load = htonl(ZIMAGE_LOAD); - hdr->ih_ep = 0; - hdr->ih_dcrc = htonl(checksum); - hdr->ih_os = IH_OS_LINUX; - hdr->ih_arch = IH_CPU_I386; - hdr->ih_type = IH_TYPE_KERNEL; - hdr->ih_comp = IH_COMP_NONE; - - strncpy((char *)hdr->ih_name, "(none)", IH_NMLEN); - - checksum = crc32(0,(const char *)hdr,sizeof(image_header_t)); - - hdr->ih_hcrc = htonl(checksum); + image_set_magic (hdr, IH_MAGIC); + image_set_time (hdr, 0); + image_set_size (hdr, size); + image_set_load (hdr, ZIMAGE_LOAD); + image_set_ep (hdr, 0); + image_set_dcrc (hdr, checksum); + image_set_os (hdr, IH_OS_LINUX); + image_set_arch (hdr, IH_ARCH_I386); + image_set_type (hdr, IH_TYPE_KERNEL); + image_set_comp (hdr, IH_COMP_NONE); + + image_set_name (hdr, "(none)"); + + checksum = crc32 (0, (const char *)hdr, image_get_header_size ()); + image_set_hcrc (hdr, checksum); return hdr; } -- cgit From 261dcf4624b25f3c551efcf8634e9194fabba9c3 Mon Sep 17 00:00:00 2001 From: Marian Balakowicz Date: Tue, 8 Jan 2008 18:11:44 +0100 Subject: [new uImage] Remove I386 uImage fake_header() routine I386 targets are not using a uImage format, instead fake header is added to ram image before it is further processed by bootm. Remove this fixup and force proper uImage use for I386. Signed-off-by: Marian Balakowicz --- lib_i386/zimage.c | 49 ------------------------------------------------- 1 file changed, 49 deletions(-) (limited to 'lib_i386/zimage.c') diff --git a/lib_i386/zimage.c b/lib_i386/zimage.c index 20f9f8d84b..c3b4e597aa 100644 --- a/lib_i386/zimage.c +++ b/lib_i386/zimage.c @@ -212,7 +212,6 @@ void *load_zimage(char *image, unsigned long kernel_size, return setup_base; } - void boot_zimage(void *setup_base) { struct pt_regs regs; @@ -224,51 +223,3 @@ void boot_zimage(void *setup_base) regs.eflags = 0; enter_realmode(((u32)setup_base+SETUP_START_OFFSET)>>4, 0, ®s, ®s); } - - -image_header_t *fake_zimage_header(image_header_t *hdr, void *ptr, int size) -{ - /* There is no way to know the size of a zImage ... * - * so we assume that 2MB will be enough for now */ -#define ZIMAGE_SIZE 0x200000 - - /* load a 1MB, the loaded will have to be moved to its final - * position again later... */ -#define ZIMAGE_LOAD 0x100000 - - ulong checksum; - - if (KERNEL_MAGIC != *(u16*)(ptr + BOOT_FLAG_OFF)) { - /* not a zImage or bzImage */ - return NULL; - } - - if (-1 == size) { - size = ZIMAGE_SIZE; - } -#if 0 - checksum = crc32 (0, ptr, size); -#else - checksum = 0; -#endif - memset(hdr, 0, image_get_header_size ()); - - /* Build new header */ - image_set_magic (hdr, IH_MAGIC); - image_set_time (hdr, 0); - image_set_size (hdr, size); - image_set_load (hdr, ZIMAGE_LOAD); - image_set_ep (hdr, 0); - image_set_dcrc (hdr, checksum); - image_set_os (hdr, IH_OS_LINUX); - image_set_arch (hdr, IH_ARCH_I386); - image_set_type (hdr, IH_TYPE_KERNEL); - image_set_comp (hdr, IH_COMP_NONE); - - image_set_name (hdr, "(none)"); - - checksum = crc32 (0, (const char *)hdr, image_get_header_size ()); - image_set_hcrc (hdr, checksum); - - return hdr; -} -- cgit