diff options
Diffstat (limited to 'arch/x86/boot/compressed/head_32.S')
-rw-r--r-- | arch/x86/boot/compressed/head_32.S | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S index a0559930a180..c85e3ac99bba 100644 --- a/arch/x86/boot/compressed/head_32.S +++ b/arch/x86/boot/compressed/head_32.S | |||
@@ -33,6 +33,9 @@ | |||
33 | __HEAD | 33 | __HEAD |
34 | ENTRY(startup_32) | 34 | ENTRY(startup_32) |
35 | #ifdef CONFIG_EFI_STUB | 35 | #ifdef CONFIG_EFI_STUB |
36 | jmp preferred_addr | ||
37 | |||
38 | .balign 0x10 | ||
36 | /* | 39 | /* |
37 | * We don't need the return address, so set up the stack so | 40 | * We don't need the return address, so set up the stack so |
38 | * efi_main() can find its arugments. | 41 | * efi_main() can find its arugments. |
@@ -41,12 +44,17 @@ ENTRY(startup_32) | |||
41 | 44 | ||
42 | call efi_main | 45 | call efi_main |
43 | cmpl $0, %eax | 46 | cmpl $0, %eax |
44 | je preferred_addr | ||
45 | movl %eax, %esi | 47 | movl %eax, %esi |
46 | call 1f | 48 | jne 2f |
47 | 1: | 49 | 1: |
50 | /* EFI init failed, so hang. */ | ||
51 | hlt | ||
52 | jmp 1b | ||
53 | 2: | ||
54 | call 3f | ||
55 | 3: | ||
48 | popl %eax | 56 | popl %eax |
49 | subl $1b, %eax | 57 | subl $3b, %eax |
50 | subl BP_pref_address(%esi), %eax | 58 | subl BP_pref_address(%esi), %eax |
51 | add BP_code32_start(%esi), %eax | 59 | add BP_code32_start(%esi), %eax |
52 | leal preferred_addr(%eax), %eax | 60 | leal preferred_addr(%eax), %eax |