diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2008-04-19 23:55:20 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-26 17:35:47 +0200 |
| commit | 356fa0c6e1ad3d3b01884f08a203bc84d555b880 (patch) | |
| tree | 83d385c04a441ba1c9df0983249f71f19fdfefd9 | |
| parent | ae5830a6f8278e1bb700a0956cacc9ceaf311f83 (diff) | |
x86: use get_bios_ebda()
Use get_bios_ebda().
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/head64.c | 5 | ||||
| -rw-r--r-- | arch/x86/kernel/setup_32.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/summit_32.c | 5 |
3 files changed, 6 insertions, 8 deletions
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 993c7677325..d31d6b72d60 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -22,6 +22,7 @@ #include <asm/sections.h> #include <asm/kdebug.h> #include <asm/e820.h> +#include <asm/bios_ebda.h> static void __init zap_identity_mappings(void) { @@ -49,7 +50,6 @@ static void __init copy_bootdata(char *real_mode_data) } } -#define BIOS_EBDA_SEGMENT 0x40E #define BIOS_LOWMEM_KILOBYTES 0x413 /* @@ -80,8 +80,7 @@ static void __init reserve_ebda_region(void) lowmem <<= 10; /* start of EBDA area */ - ebda_addr = *(unsigned short *)__va(BIOS_EBDA_SEGMENT); - ebda_addr <<= 4; + ebda_addr = get_bios_ebda(); /* Fixup: bios puts an EBDA in the top 64K segment */ /* of conventional memory, but does not adjust lowmem. */ diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c index 455d3c80960..44cc9b93393 100644 --- a/arch/x86/kernel/setup_32.c +++ b/arch/x86/kernel/setup_32.c @@ -389,7 +389,6 @@ unsigned long __init find_max_low_pfn(void) return max_low_pfn; } -#define BIOS_EBDA_SEGMENT 0x40E #define BIOS_LOWMEM_KILOBYTES 0x413 /* @@ -420,8 +419,7 @@ static void __init reserve_ebda_region(void) lowmem <<= 10; /* start of EBDA area */ - ebda_addr = *(unsigned short *)__va(BIOS_EBDA_SEGMENT); - ebda_addr <<= 4; + ebda_addr = get_bios_ebda(); /* Fixup: bios puts an EBDA in the top 64K segment */ /* of conventional memory, but does not adjust lowmem. */ diff --git a/arch/x86/kernel/summit_32.c b/arch/x86/kernel/summit_32.c index 6878a9c2df5..ae751094eba 100644 --- a/arch/x86/kernel/summit_32.c +++ b/arch/x86/kernel/summit_32.c @@ -29,6 +29,7 @@ #include <linux/mm.h> #include <linux/init.h> #include <asm/io.h> +#include <asm/bios_ebda.h> #include <asm/mach-summit/mach_mpparse.h> static struct rio_table_hdr *rio_table_hdr __initdata; @@ -140,8 +141,8 @@ void __init setup_summit(void) int i, next_wpeg, next_bus = 0; /* The pointer to the EBDA is stored in the word @ phys 0x40E(40:0E) */ - ptr = *(unsigned short *)phys_to_virt(0x40Eul); - ptr = (unsigned long)phys_to_virt(ptr << 4); + ptr = get_bios_ebda(); + ptr = (unsigned long)phys_to_virt(ptr); rio_table_hdr = NULL; offset = 0x180; |