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Diffstat (limited to 'arch/x86/kernel/head_32.S')
-rw-r--r--arch/x86/kernel/head_32.S13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index f7357cc0162c..f67e93441caf 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -194,6 +194,7 @@ default_entry:
xorl %ebx,%ebx /* %ebx is kept at zero */
movl $pa(pg0), %edi
+ movl %edi, pa(init_pg_tables_start)
movl $pa(swapper_pg_pmd), %edx
movl $PTE_ATTR, %eax
10:
@@ -219,6 +220,8 @@ default_entry:
jb 10b
1:
movl %edi,pa(init_pg_tables_end)
+ shrl $12, %eax
+ movl %eax, pa(max_pfn_mapped)
/* Do early initialization of the fixmap area */
movl $pa(swapper_pg_fixmap)+PDE_ATTR,%eax
@@ -228,6 +231,7 @@ default_entry:
page_pde_offset = (__PAGE_OFFSET >> 20);
movl $pa(pg0), %edi
+ movl %edi, pa(init_pg_tables_start)
movl $pa(swapper_pg_dir), %edx
movl $PTE_ATTR, %eax
10:
@@ -249,6 +253,8 @@ page_pde_offset = (__PAGE_OFFSET >> 20);
cmpl %ebp,%eax
jb 10b
movl %edi,pa(init_pg_tables_end)
+ shrl $12, %eax
+ movl %eax, pa(max_pfn_mapped)
/* Do early initialization of the fixmap area */
movl $pa(swapper_pg_fixmap)+PDE_ATTR,%eax
@@ -446,10 +452,13 @@ is386: movl $2,%ecx # set MP
je 1f
movl $(__KERNEL_PERCPU), %eax
movl %eax,%fs # set this cpu's percpu
- jmp initialize_secondary # all other CPUs call initialize_secondary
+ movl (stack_start), %esp
1:
#endif /* CONFIG_SMP */
- jmp i386_start_kernel
+ jmp *(initial_code)
+.align 4
+ENTRY(initial_code)
+ .long i386_start_kernel
/*
* We depend on ET to be correct. This checks for 287/387.