diff options
Diffstat (limited to 'arch/x86/lib/zimage.c')
| -rw-r--r-- | arch/x86/lib/zimage.c | 27 | 
1 files changed, 22 insertions, 5 deletions
| diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c index 22142864c..46af391f2 100644 --- a/arch/x86/lib/zimage.c +++ b/arch/x86/lib/zimage.c @@ -36,6 +36,10 @@  #include <asm/realmode.h>  #include <asm/byteorder.h>  #include <asm/bootparam.h> +#ifdef CONFIG_SYS_COREBOOT +#include <asm/arch/timestamp.h> +#endif +#include <linux/compiler.h>  /*   * Memory lay-out: @@ -171,7 +175,7 @@ struct boot_params *load_zimage(char *image, unsigned long kernel_size,  	else  		*load_address = (void *)ZIMAGE_LOAD_ADDR; -#if defined CONFIG_ZBOOT_32 +#if (defined CONFIG_ZBOOT_32 || defined CONFIG_X86_NO_REAL_MODE)  	printf("Building boot_params at 0x%8.8lx\n", (ulong)setup_base);  	memset(setup_base, 0, sizeof(*setup_base));  	setup_base->hdr = params->hdr; @@ -237,7 +241,7 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,  	struct setup_header *hdr = &setup_base->hdr;  	int bootproto = get_boot_protocol(hdr); -#if defined CONFIG_ZBOOT_32 +#if (defined CONFIG_ZBOOT_32 || defined CONFIG_X86_NO_REAL_MODE)  	setup_base->e820_entries = install_e820_map(  		ARRAY_SIZE(setup_base->e820_map), setup_base->e820_map);  #endif @@ -279,10 +283,23 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,  	return 0;  } +/* + * Implement a weak default function for boards that optionally + * need to clean up the system before jumping to the kernel. + */ +__weak void board_final_cleanup(void) +{ +} +  void boot_zimage(void *setup_base, void *load_address)  { +	board_final_cleanup(); +  	printf("\nStarting kernel ...\n\n"); +#ifdef CONFIG_SYS_COREBOOT +	timestamp_add_now(TS_U_BOOT_START_KERNEL); +#endif  #if defined CONFIG_ZBOOT_32  	/*  	 * Set %ebx, %ebp, and %edi to 0, %esi to point to the boot_params @@ -292,9 +309,9 @@ void boot_zimage(void *setup_base, void *load_address)  	 * itself in arch/i386/cpu/cpu.c.  	 */  	__asm__ __volatile__ ( -	"movl $0, %%ebp		\n" -	"cli			\n" -	"jmp %[kernel_entry]	\n" +	"movl $0, %%ebp\n" +	"cli\n" +	"jmp *%[kernel_entry]\n"  	:: [kernel_entry]"a"(load_address),  	   [boot_params] "S"(setup_base),  	   "b"(0), "D"(0) |