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authorWolfgang Denk <wd@denx.de>2011-12-02 00:17:49 +0100
committerWolfgang Denk <wd@denx.de>2011-12-02 00:17:49 +0100
commit7708d8b352e9e595f6f08afd3206af6495c7dc09 (patch)
treefb9811040b2b1f55c44fc7274473f2ef0847c19b /arch/x86/cpu/start.S
parentd887ad54ca74063338bc3108beed0aa4f15d1f6b (diff)
parentf008b17f8c2995996b5d100b71f8851d6f74a136 (diff)
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/cpu/start.S')
-rw-r--r--arch/x86/cpu/start.S30
1 files changed, 25 insertions, 5 deletions
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S
index 306fb49617..f87633b561 100644
--- a/arch/x86/cpu/start.S
+++ b/arch/x86/cpu/start.S
@@ -30,6 +30,7 @@
#include <version.h>
#include <asm/global_data.h>
#include <asm/processor-flags.h>
+#include <generated/asm-offsets.h>
.section .text
.code32
@@ -47,14 +48,12 @@ _x86boot_start:
cli
cld
- /* Turn of cache (this might require a 486-class CPU) */
+ /* Turn off cache (this might require a 486-class CPU) */
movl %cr0, %eax
orl $(X86_CR0_NW | X86_CR0_CD), %eax
movl %eax, %cr0
wbinvd
- /* Tell 32-bit code it is being entered from an in-RAM copy */
- movw $GD_FLG_WARM_BOOT, %bx
_start:
/* This is the 32-bit cold-reset entry point */
@@ -114,7 +113,7 @@ relocate_code:
/* Setup call address of in-RAM copy of board_init_r() */
movl $board_init_r, %ebp
- addl (GD_RELOC_OFF * 4)(%edx), %ebp
+ addl (GENERATED_GD_RELOC_OFF)(%edx), %ebp
/* Setup parameters to board_init_r() */
movl %edx, %eax
@@ -123,10 +122,31 @@ relocate_code:
/* Jump to in-RAM copy of board_init_r() */
call *%ebp
-die: hlt
+die:
+ hlt
jmp die
hlt
blank_idt_ptr:
.word 0 /* limit */
.long 0 /* base */
+
+ .p2align 2 /* force 4-byte alignment */
+
+multiboot_header:
+ /* magic */
+ .long 0x1BADB002
+ /* flags */
+ .long (1 << 16)
+ /* checksum */
+ .long -0x1BADB002 - (1 << 16)
+ /* header addr */
+ .long multiboot_header - _x86boot_start + CONFIG_SYS_TEXT_BASE
+ /* load addr */
+ .long CONFIG_SYS_TEXT_BASE
+ /* load end addr */
+ .long 0
+ /* bss end addr */
+ .long 0
+ /* entry addr */
+ .long CONFIG_SYS_TEXT_BASE