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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-01-27 11:14:02 -0500 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-01-27 11:14:02 -0500 |
| commit | 6c02b7b1610f873888af20f291c07730889ff0f9 (patch) | |
| tree | 1b33e6642cc81605b8d37c0bda0abff0ba64fa2d /arch/x86/boot/compressed/head_32.S | |
| parent | 7a7546b377bdaa25ac77f33d9433c59f259b9688 (diff) | |
| parent | dcd6c92267155e70a94b3927bce681ce74b80d1f (diff) | |
Merge commit 'v3.3-rc1' into stable/for-linus-fixes-3.3
* commit 'v3.3-rc1': (9775 commits)
Linux 3.3-rc1
x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
qnx4: don't leak ->BitMap on late failure exits
qnx4: reduce the insane nesting in qnx4_checkroot()
qnx4: di_fname is an array, for crying out loud...
KEYS: Permit key_serial() to be called with a const key pointer
keys: fix user_defined key sparse messages
ima: fix cred sparse warning
uml: fix compile for x86-64
MPILIB: Add a missing ENOMEM check
tpm: fix (ACPI S3) suspend regression
nvme: fix merge error due to change of 'make_request_fn' fn type
xen: using EXPORT_SYMBOL requires including export.h
gpio: tps65910: Use correct offset for gpio initialization
acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec
intel_idle: Split up and provide per CPU initialization func
ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2
tg3: Fix single-vector MSI-X code
openvswitch: Fix multipart datapath dumps.
ipv6: fix per device IP snmp counters
...
Diffstat (limited to 'arch/x86/boot/compressed/head_32.S')
| -rw-r--r-- | arch/x86/boot/compressed/head_32.S | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S index 67a655a39ce..a0559930a18 100644 --- a/arch/x86/boot/compressed/head_32.S +++ b/arch/x86/boot/compressed/head_32.S @@ -32,6 +32,28 @@ __HEAD ENTRY(startup_32) +#ifdef CONFIG_EFI_STUB + /* + * We don't need the return address, so set up the stack so + * efi_main() can find its arugments. + */ + add $0x4, %esp + + call efi_main + cmpl $0, %eax + je preferred_addr + movl %eax, %esi + call 1f +1: + popl %eax + subl $1b, %eax + subl BP_pref_address(%esi), %eax + add BP_code32_start(%esi), %eax + leal preferred_addr(%eax), %eax + jmp *%eax + +preferred_addr: +#endif cld /* * Test KEEP_SEGMENTS flag to see if the bootloader is asking |