diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 09:00:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 09:00:30 -0700 |
| commit | 5c8e191e8437616a498a8e1cc0af3dd0d32bbff2 (patch) | |
| tree | 78ed04467e3bd034eaa9696cdf8d668ba7e16381 /arch/x86/kernel/head64.c | |
| parent | cbfee34520666862f8ff539e580c48958fbb7706 (diff) | |
| parent | 3ea335100014785fd2518461705654b200e58d00 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup:
Remove magic macros for screen_info structure members
[x86] remove uses of magic macros for boot_params access
Diffstat (limited to 'arch/x86/kernel/head64.c')
| -rw-r--r-- | arch/x86/kernel/head64.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 8561f626eda..a7eee0a4751 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -14,7 +14,6 @@ #include <asm/processor.h> #include <asm/proto.h> #include <asm/smp.h> -#include <asm/bootsetup.h> #include <asm/setup.h> #include <asm/desc.h> #include <asm/pgtable.h> @@ -36,26 +35,15 @@ static void __init clear_bss(void) (unsigned long) __bss_stop - (unsigned long) __bss_start); } -#define NEW_CL_POINTER 0x228 /* Relative to real mode data */ -#define OLD_CL_MAGIC_ADDR 0x20 -#define OLD_CL_MAGIC 0xA33F -#define OLD_CL_OFFSET 0x22 - static void __init copy_bootdata(char *real_mode_data) { - unsigned long new_data; char * command_line; - memcpy(x86_boot_params, real_mode_data, BOOT_PARAM_SIZE); - new_data = *(u32 *) (x86_boot_params + NEW_CL_POINTER); - if (!new_data) { - if (OLD_CL_MAGIC != *(u16 *)(real_mode_data + OLD_CL_MAGIC_ADDR)) { - return; - } - new_data = __pa(real_mode_data) + *(u16 *)(real_mode_data + OLD_CL_OFFSET); + memcpy(&boot_params, real_mode_data, sizeof boot_params); + if (boot_params.hdr.cmd_line_ptr) { + command_line = __va(boot_params.hdr.cmd_line_ptr); + memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); } - command_line = __va(new_data); - memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); } void __init x86_64_start_kernel(char * real_mode_data) |