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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-11 15:36:30 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-11 15:36:30 -0800 |
| commit | f12fc75ef7db44d71d5a509e2f1bec6966b73776 (patch) | |
| tree | 5afdcbdeacae408fb546a60253510d3ea25a0b6c /arch/x86/boot | |
| parent | Merge tag 'for-linus-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml (diff) | |
| parent | efi: use default_groups in kobj_type (diff) | |
| download | linux-dev-f12fc75ef7db44d71d5a509e2f1bec6966b73776.tar.xz linux-dev-f12fc75ef7db44d71d5a509e2f1bec6966b73776.zip | |
Merge tag 'efi-next-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
- support taking the measurement of the initrd when loaded via the
LoadFile2 protocol
- kobject API cleanup from Greg
- some header file whitespace fixes
* tag 'efi-next-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: use default_groups in kobj_type
efi/libstub: measure loaded initrd info into the TPM
efi/libstub: consolidate initrd handling across architectures
efi/libstub: x86/mixed: increase supported argument count
efi/libstub: add prototype of efi_tcg2_protocol::hash_log_extend_event()
include/linux/efi.h: Remove unneeded whitespaces before tabs
Diffstat (limited to 'arch/x86/boot')
| -rw-r--r-- | arch/x86/boot/compressed/efi_thunk_64.S | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/arch/x86/boot/compressed/efi_thunk_64.S index 8bb92e9f4e97..d05f781d54f2 100644 --- a/arch/x86/boot/compressed/efi_thunk_64.S +++ b/arch/x86/boot/compressed/efi_thunk_64.S @@ -26,8 +26,6 @@ SYM_FUNC_START(__efi64_thunk) push %rbp push %rbx - leaq 1f(%rip), %rbp - movl %ds, %eax push %rax movl %es, %eax @@ -35,6 +33,11 @@ SYM_FUNC_START(__efi64_thunk) movl %ss, %eax push %rax + /* Copy args passed on stack */ + movq 0x30(%rsp), %rbp + movq 0x38(%rsp), %rbx + movq 0x40(%rsp), %rax + /* * Convert x86-64 ABI params to i386 ABI */ @@ -44,13 +47,18 @@ SYM_FUNC_START(__efi64_thunk) movl %ecx, 0x8(%rsp) movl %r8d, 0xc(%rsp) movl %r9d, 0x10(%rsp) + movl %ebp, 0x14(%rsp) + movl %ebx, 0x18(%rsp) + movl %eax, 0x1c(%rsp) - leaq 0x14(%rsp), %rbx + leaq 0x20(%rsp), %rbx sgdt (%rbx) addq $16, %rbx sidt (%rbx) + leaq 1f(%rip), %rbp + /* * Switch to IDT and GDT with 32-bit segments. This is the firmware GDT * and IDT that was installed when the kernel started executing. The |