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| author | Wolfgang Denk <wd@denx.de> | 2011-12-02 00:17:49 +0100 | 
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-12-02 00:17:49 +0100 | 
| commit | 7708d8b352e9e595f6f08afd3206af6495c7dc09 (patch) | |
| tree | fb9811040b2b1f55c44fc7274473f2ef0847c19b /arch/x86/lib/zimage.c | |
| parent | d887ad54ca74063338bc3108beed0aa4f15d1f6b (diff) | |
| parent | f008b17f8c2995996b5d100b71f8851d6f74a136 (diff) | |
| download | olio-uboot-2014.01-7708d8b352e9e595f6f08afd3206af6495c7dc09.tar.xz olio-uboot-2014.01-7708d8b352e9e595f6f08afd3206af6495c7dc09.zip | |
Merge branch 'master' of ssh://gemini/home/wd/git/u-boot/master
* 'master' of ssh://gemini/home/wd/git/u-boot/master:
  board/emk/top860/top860.c: Fix GCC 4.6 build warning
  board/sbc405/strataflash.c: Fix GCC 4.6 build warning
  arch/powerpc/cpu/mpc86xx/cpu.c: Fix GCC 4.6 build warning
  board/freescale/mpc8610hpcd/mpc8610hpcd.c: Fix GCC 4.6 build warning
  board/mpl/common/flash.c: Fix GCC 4.6 build warning
  post/board/lwmon5/gdc.c: Fix GCC 4.6 build warning
  drivers/usb/host/sl811-hcd.c: Fix GCC 4.6 build warning
  board/sandburst/common/flash.c: Fix GCC 4.6 build warning
  DB64460: Fix GCC 4.6 build warnings
  DB64360: Fix GCC 4.6 build warnings
  board/cray/L1/flash.c: Fix GCC 4.6 build warning
  drivers/block/sata_dwc.c: Fix GCC 4.6 build warning
  board/amirix/ap1000/flash.c: Fix GCC 4.6 build warning
  alpr board: Fix GCC 4.6 build warnings
  image: Don't detect XIP images as overlapping.
  image: Implement IH_TYPE_KERNEL_NOLOAD
  ppc4xx: Add Io64 board support
  ppc4xx: fix PMC440 painit command
  ppc4xx: remove invalid access to PCI_BRDGOPT2 register
  ppc4xx: use CONFIG_PCI_BOOTDELAY instead of private implementation
  mpc85xx: support for Freescale COM Express P2020
  arch/powerpc/cpu/mpc8xxx/ddr/interactive.c: Fix GCC 4.6 build warning
  mpc85xx: support board-specific reset function
  powerpc/85xx: verify the localbus device tree address before booting the OS
  mpc8xxx: update module_type values from JEDEC DDR3 SPD Specification
  powerpc/p3060qds: Add board related support for P3060QDS platform
  powerpc/85xx: clean up and document the QE/FMAN microcode macros
  powerpc/85xx: always implement the work-around for Erratum SATA_A001
  powerpc/85xx: CONFIG_FSL_SATA_V2 should be defined in config_mpc85xx.h
  powerpc/85xx: Add workaround for erratum A-003474
  powerpc/85xx: fixup flexcan device tree clock-frequency
  powerpc/85xx: Add workaround for erratum CPU-A003999
  x86: Fix some bugs in the i8402 driver when no controller is present
  x86: Make the i8042 driver checkpatch clean
  x86: Wrap small helper functions from libgcc to avoid an ABI mismatch
  x86: Import the glibc memset implementation
  x86: Fix a few recently added bugs
  x86: Don't relocate symbols which point to things that aren't relocated
  x86: Fix how the location of the realmode and bios blobs are calculated
  x86: Misc cleanups
  x86: Misc PCI touchups
  x86: Ensure IDT and GDT remain 16-byte aligned post relocation
  x86: Provide more configuration granularity
  x86: Add multiboot header
  sc520: Create arch asm-offsets
  x86: Punt cold- and warm-boot flags
  cosmetic: checkpatch cleanup of board/eNET/*.c
  cosmetic: checkpatch cleanup of arch/x86/lib/*.c
  cosmetic: checkpatch cleanup of arch/x86/cpu/sc520/*.c
  cosmetic: checkpatch cleanup of arch/x86/cpu/*.c
  x86: Call hang() on unrecoverable exception
  menu.c: use puts() instead of printf() where possible
  MAKEALL: drop obsolete mx31pdk_nand target
  dataflash: fix parameters order in write_dataflash()
  hawkboard: Replace HAWKBOARD_KICK{0, 1}_UNLOCK defines
  davinci_sonata: define CONFIG_MACH_TYPE for davinci_sonata board
  davinci_schmoogie: define CONFIG_MACH_TYPE for davinci_schmoogie board
  arm: a320evb: define mach-type in board config file
  OMAP3: Use sdelay from arch/arm/cpu/armv7/syslib.c instead of cloning that.
  Fix Stelian's email address
  DIU: 1080P and 720P support
  CFB: Fix font rendering on mx5 framebuffer
Diffstat (limited to 'arch/x86/lib/zimage.c')
| -rw-r--r-- | arch/x86/lib/zimage.c | 94 | 
1 files changed, 51 insertions, 43 deletions
| diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c index d2dd6fd44..8b42b5caf 100644 --- a/arch/x86/lib/zimage.c +++ b/arch/x86/lib/zimage.c @@ -45,11 +45,11 @@   *	0x8000-0x8FFF	Stack and heap   *	0x9000-0x90FF	Kernel command line   */ -#define DEFAULT_SETUP_BASE  0x90000 -#define COMMAND_LINE_OFFSET 0x9000 -#define HEAP_END_OFFSET     0x8e00 +#define DEFAULT_SETUP_BASE	0x90000 +#define COMMAND_LINE_OFFSET	0x9000 +#define HEAP_END_OFFSET		0x8e00 -#define COMMAND_LINE_SIZE   2048 +#define COMMAND_LINE_SIZE	2048  static void build_command_line(char *command_line, int auto_boot)  { @@ -60,23 +60,20 @@ static void build_command_line(char *command_line, int auto_boot)  	env_command_line =  getenv("bootargs");  	/* set console= argument if we use a serial console */ -	if (NULL == strstr(env_command_line, "console=")) { -		if (0==strcmp(getenv("stdout"), "serial")) { +	if (!strstr(env_command_line, "console=")) { +		if (!strcmp(getenv("stdout"), "serial")) {  			/* We seem to use serial console */  			sprintf(command_line, "console=ttyS0,%s ", -				 getenv("baudrate")); +				getenv("baudrate"));  		}  	} -	if (auto_boot) { +	if (auto_boot)  		strcat(command_line, "auto "); -	} -	if (NULL != env_command_line) { +	if (env_command_line)  		strcat(command_line, env_command_line); -	} -  	printf("Kernel command line: \"%s\"\n", command_line);  } @@ -90,14 +87,16 @@ void *load_zimage(char *image, unsigned long kernel_size,  	int bootproto;  	int big_image;  	void *load_address; +	struct setup_header *hdr; -	struct setup_header *hdr = (struct setup_header *)(image + SETUP_SECTS_OFF); +	hdr = (struct setup_header *)(image + SETUP_SECTS_OFF); -	setup_base = (void*)DEFAULT_SETUP_BASE;	/* base address for real-mode segment */ +	/* base address for real-mode segment */ +	setup_base = (void *)DEFAULT_SETUP_BASE;  	if (KERNEL_MAGIC != hdr->boot_flag) {  		printf("Error: Invalid Boot Flag (found 0x%04x, expected 0x%04x)\n", -				hdr->boot_flag, KERNEL_MAGIC); +		       hdr->boot_flag, KERNEL_MAGIC);  		return 0;  	} else {  		printf("Valid Boot Flag\n"); @@ -124,43 +123,50 @@ void *load_zimage(char *image, unsigned long kernel_size,  	printf("Setup Size = 0x%8.8lx\n", (ulong)setup_size); -	if (setup_size > SETUP_MAX_SIZE) { +	if (setup_size > SETUP_MAX_SIZE)  		printf("Error: Setup is too large (%d bytes)\n", setup_size); -	}  	/* Determine image type */ -	big_image = (bootproto >= 0x0200) && (hdr->loadflags & BIG_KERNEL_FLAG); +	big_image = (bootproto >= 0x0200) && +		    (hdr->loadflags & BIG_KERNEL_FLAG);  	/* Determine load address */ -	load_address = (void*)(big_image ? BZIMAGE_LOAD_ADDR : ZIMAGE_LOAD_ADDR); +	load_address = (void *)(big_image ? +				BZIMAGE_LOAD_ADDR : +				ZIMAGE_LOAD_ADDR);  	/* load setup */ -	printf("Moving Real-Mode Code to 0x%8.8lx (%d bytes)\n", (ulong)setup_base, setup_size); +	printf("Moving Real-Mode Code to 0x%8.8lx (%d bytes)\n", +	       (ulong)setup_base, setup_size);  	memmove(setup_base, image, setup_size);  	printf("Using boot protocol version %x.%02x\n",  	       (bootproto & 0xff00) >> 8, bootproto & 0xff);  	if (bootproto == 0x0100) { +		*(u16 *)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC; +		*(u16 *)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET; -		*(u16*)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC; -		*(u16*)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET; - -		/* A very old kernel MUST have its real-mode code -		 * loaded at 0x90000 */ - +		/* +		 * A very old kernel MUST have its real-mode code +		 * loaded at 0x90000 +		 */  		if ((u32)setup_base != 0x90000) {  			/* Copy the real-mode kernel */ -			memmove((void*)0x90000, setup_base, setup_size); +			memmove((void *)0x90000, setup_base, setup_size); +  			/* Copy the command line */ -			memmove((void*)0x99000, setup_base+COMMAND_LINE_OFFSET, -			       COMMAND_LINE_SIZE); +			memmove((void *)0x99000, +				setup_base + COMMAND_LINE_OFFSET, +				COMMAND_LINE_SIZE); -			setup_base = (void*)0x90000;		 /* Relocated */ +			 /* Relocated */ +			setup_base = (void *)0x90000;  		}  		/* It is recommended to clear memory up to the 32K mark */ -		memset((void*)0x90000 + setup_size, 0, SETUP_MAX_SIZE-setup_size); +		memset((void *)0x90000 + setup_size, 0, +		       SETUP_MAX_SIZE-setup_size);  	}  	/* We are now setting up the real-mode version of the header */ @@ -170,8 +176,9 @@ void *load_zimage(char *image, unsigned long kernel_size,  		hdr->type_of_loader = 8;  		if (hdr->setup_sects >= 15) -			printf("Linux kernel version %s\n", (char *) -					(setup_base + (hdr->kernel_version + 0x200))); +			printf("Linux kernel version %s\n", +			       (char *)(setup_base + +					(hdr->kernel_version + 0x200)));  		else  			printf("Setup Sectors < 15 - Cannot print kernel version.\n"); @@ -193,8 +200,8 @@ void *load_zimage(char *image, unsigned long kernel_size,  		hdr->cmd_line_ptr = (u32)setup_base + COMMAND_LINE_OFFSET;  	} else if (bootproto >= 0x0200) { -		*(u16*)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC; -		*(u16*)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET; +		*(u16 *)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC; +		*(u16 *)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET;  		hdr->setup_move_size = 0x9100;  	} @@ -221,8 +228,8 @@ void *load_zimage(char *image, unsigned long kernel_size,  	/* build command line at COMMAND_LINE_OFFSET */  	build_command_line(setup_base + COMMAND_LINE_OFFSET, auto_boot); -	printf("Loading %czImage at address 0x%08x (%ld bytes)\n", big_image ? 'b' : ' ', -	       (u32)load_address, kernel_size); +	printf("Loading %czImage at address 0x%08x (%ld bytes)\n", +	       big_image ? 'b' : ' ', (u32)load_address, kernel_size);  	memmove(load_address, image + setup_size, kernel_size); @@ -241,10 +248,11 @@ void boot_zimage(void *setup_base)  	regs.xss = regs.xds;  	regs.esp = 0x9000;  	regs.eflags = 0; -	enter_realmode(((u32)setup_base+SETUP_START_OFFSET)>>4, 0, ®s, ®s); +	enter_realmode(((u32)setup_base+SETUP_START_OFFSET)>>4, 0, ®s, +		       ®s);  } -int do_zboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +int do_zboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])  {  	void *base_ptr;  	void *bzImage_addr = NULL; @@ -270,12 +278,12 @@ int do_zboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])  		bzImage_size = simple_strtoul(argv[2], NULL, 16);  	/* Lets look for*/ -	base_ptr = load_zimage (bzImage_addr, bzImage_size, 0, 0, 0); +	base_ptr = load_zimage(bzImage_addr, bzImage_size, 0, 0, 0); -	if (NULL == base_ptr) { -		printf ("## Kernel loading failed ...\n"); +	if (!base_ptr) { +		printf("## Kernel loading failed ...\n");  	} else { -		printf ("## Transferring control to Linux (at address %08x) ...\n", +		printf("## Transferring control to Linux (at address %08x) ...\n",  			(u32)base_ptr);  		/* we assume that the kernel is in place */ |