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Commit 63b553c6 authored by Fenghua Yu's avatar Fenghua Yu Committed by H. Peter Anvin
Browse files

x86/head_32.S: Early update ucode in 32-bit 



This updates ucode in 32-bit kernel on BSP and AP. At this point, there is no
paging and no virtual address yet.

Signed-off-by: default avatarFenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/1356075872-3054-10-git-send-email-fenghua.yu@intel.com


Signed-off-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
parent ec400dde

arch/x86/kernel/head_32.S

+11 −0
Original line number Original line Diff line number Diff line
@@ -144,6 +144,11 @@ ENTRY(startup_32) 
	movl %eax, pa(olpc_ofw_pgd)

	movl %eax, pa(olpc_ofw_pgd)

#endif

#endif





#ifdef CONFIG_MICROCODE_EARLY

	/* Early load ucode on BSP. */

	call load_ucode_bsp

#endif



/*

/*

 * Initialize page tables.  This creates a PDE and a set of page

 * Initialize page tables.  This creates a PDE and a set of page

 * tables, which are located immediately beyond __brk_base.  The variable

 * tables, which are located immediately beyond __brk_base.  The variable
@@ -299,6 +304,12 @@ ENTRY(startup_32_smp) 
	movl %eax,%ss

	movl %eax,%ss

	leal -__PAGE_OFFSET(%ecx),%esp

	leal -__PAGE_OFFSET(%ecx),%esp





#ifdef CONFIG_MICROCODE_EARLY

	/* Early load ucode on AP. */

	call load_ucode_ap

#endif





default_entry:

default_entry:

/*

/*

 *	New page tables may be in 4Mbyte page mode and may

 *	New page tables may be in 4Mbyte page mode and may