Ia32/JumpToKernel.nasm\r
\r
[Sources.X64]\r
- X64/JumpToKernel.asm\r
- X64/JumpToKernel.S\r
+ X64/JumpToKernel.nasm\r
\r
[Packages]\r
MdePkg/MdePkg.dec\r
+++ /dev/null
-#------------------------------------------------------------------------------\r
-#\r
-# Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
-#\r
-# This program and the accompanying materials\r
-# are licensed and made available under the terms and conditions of the BSD License\r
-# which accompanies this distribution. The full text of the license may be found at\r
-# http://opensource.org/licenses/bsd-license.php.\r
-#\r
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-#\r
-#------------------------------------------------------------------------------\r
-\r
-ASM_GLOBAL ASM_PFX(JumpToKernel)\r
-ASM_GLOBAL ASM_PFX(JumpToUefiKernel)\r
-\r
-#------------------------------------------------------------------------------\r
-# VOID\r
-# EFIAPI\r
-# JumpToKernel (\r
-# VOID *KernelStart, // %rcx\r
-# VOID *KernelBootParams // %rdx\r
-# );\r
-#------------------------------------------------------------------------------\r
-ASM_PFX(JumpToKernel):\r
-\r
- // Set up for executing kernel. BP in %esi, entry point on the stack\r
- // (64-bit when the 'ret' will use it as 32-bit, but we're little-endian)\r
- movq %rdx, %rsi\r
- pushq %rcx\r
-\r
- // Jump into the compatibility mode CS\r
- pushq $0x10\r
- leaq 1f(%rip), %rax\r
- pushq %rax\r
- .byte 0x48, 0xcb // retfq\r
-\r
-1: // Now in compatibility mode\r
-.code32\r
- movl $0x18, %eax\r
- movl %eax, %ds\r
- movl %eax, %es\r
- movl %eax, %fs\r
- movl %eax, %gs\r
- movl %eax, %ss\r
-\r
- // Disable paging\r
- movl %cr0, %eax\r
- btcl $31, %eax\r
- movl %eax, %cr0\r
-\r
- // Disable long mode in EFER\r
- movl $0x0c0000080, %ecx\r
- rdmsr\r
- btcl $8, %eax\r
- wrmsr\r
-\r
- // Disable PAE\r
- movl %cr4, %eax\r
- btcl $5, %eax\r
- movl %eax, %cr4\r
-\r
- // Zero registers and 'return' to kernel\r
- xorl %ebp, %ebp\r
- xorl %edi, %edi\r
- xorl %ebx, %ebx\r
- ret\r
-.code64\r
-\r
-#------------------------------------------------------------------------------\r
-# VOID\r
-# EFIAPI\r
-# JumpToUefiKernel (\r
-# EFI_HANDLE ImageHandle, // rcx\r
-# EFI_SYSTEM_TABLE *SystemTable, // rdx\r
-# VOID *KernelBootParams, // r8\r
-# VOID *KernelStart // r9\r
-# );\r
-#------------------------------------------------------------------------------\r
-ASM_PFX(JumpToUefiKernel):\r
- movq %rcx, %rdi\r
- movq %rdx, %rsi\r
- movq %r8, %rdx\r
- xor %rax, %rax\r
- movl 0x264(%r8), %eax\r
- addq %rax, %r9\r
- addq $0x200, %r9\r
- callq %r9\r
- ret\r
-\r
+++ /dev/null
-;------------------------------------------------------------------------------\r
-;\r
-; Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
-;\r
-; This program and the accompanying materials\r
-; are licensed and made available under the terms and conditions of the BSD License\r
-; which accompanies this distribution. The full text of the license may be found at\r
-; http://opensource.org/licenses/bsd-license.php.\r
-;\r
-; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-;\r
-;------------------------------------------------------------------------------\r
-\r
- .code\r
-\r
-;------------------------------------------------------------------------------\r
-; VOID\r
-; EFIAPI\r
-; JumpToKernel (\r
-; VOID *KernelStart, // rcx\r
-; VOID *KernelBootParams // rdx\r
-; );\r
-;------------------------------------------------------------------------------\r
-JumpToKernel PROC\r
-\r
- ; Set up for executing kernel. BP in %esi, entry point on the stack\r
- ; (64-bit when the 'ret' will use it as 32-bit, but we're little-endian)\r
- mov rsi, rdx\r
- push rcx\r
-\r
- ; Jump into the compatibility mode CS\r
- push 10h\r
- lea rax, @F\r
- push rax\r
- DB 048h, 0cbh ; retfq\r
-\r
-@@:\r
- ; Now in compatibility mode.\r
-\r
- DB 0b8h, 018h, 000h, 000h, 000h ; movl $0x18, %eax\r
- DB 08eh, 0d8h ; movl %eax, %ds\r
- DB 08eh, 0c0h ; movl %eax, %es\r
- DB 08eh, 0e0h ; movl %eax, %fs\r
- DB 08eh, 0e8h ; movl %eax, %gs\r
- DB 08eh, 0d0h ; movl %eax, %ss\r
-\r
- ; Disable paging\r
- DB 00fh, 020h, 0c0h ; movl %cr0, %eax\r
- DB 00fh, 0bah, 0f8h, 01fh ; btcl $31, %eax\r
- DB 00fh, 022h, 0c0h ; movl %eax, %cr0\r
-\r
- ; Disable long mode in EFER\r
- DB 0b9h, 080h, 000h, 000h, 0c0h ; movl $0x0c0000080, %ecx\r
- DB 00fh, 032h ; rdmsr\r
- DB 00fh, 0bah, 0f8h, 008h ; btcl $8, %eax\r
- DB 00fh, 030h ; wrmsr\r
-\r
- ; Disable PAE\r
- DB 00fh, 020h, 0e0h ; movl %cr4, %eax\r
- DB 00fh, 0bah, 0f8h, 005h ; btcl $5, %eax\r
- DB 00fh, 022h, 0e0h ; movl %eax, %cr4\r
-\r
- DB 031h, 0edh ; xor %ebp, %ebp\r
- DB 031h, 0ffh ; xor %edi, %edi\r
- DB 031h, 0dbh ; xor %ebx, %ebx\r
- DB 0c3h ; ret\r
-\r
-JumpToKernel ENDP\r
-\r
-;------------------------------------------------------------------------------\r
-; VOID\r
-; EFIAPI\r
-; JumpToUefiKernel (\r
-; EFI_HANDLE ImageHandle, // rcx\r
-; EFI_SYSTEM_TABLE *SystemTable, // rdx\r
-; VOID *KernelBootParams // r8\r
-; VOID *KernelStart, // r9\r
-; );\r
-;------------------------------------------------------------------------------\r
-JumpToUefiKernel PROC\r
-\r
- mov rdi, rcx\r
- mov rsi, rdx\r
- mov rdx, r8\r
- xor rax, rax\r
- mov eax, [r8 + 264h]\r
- add r9, rax\r
- add r9, 200h\r
- call r9\r
- ret\r
-\r
-JumpToUefiKernel ENDP\r
-\r
-END\r
--- /dev/null
+;------------------------------------------------------------------------------\r
+;\r
+; Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
+;\r
+; This program and the accompanying materials\r
+; are licensed and made available under the terms and conditions of the BSD License\r
+; which accompanies this distribution. The full text of the license may be found at\r
+; http://opensource.org/licenses/bsd-license.php.\r
+;\r
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+;\r
+;------------------------------------------------------------------------------\r
+\r
+ DEFAULT REL\r
+ SECTION .text\r
+\r
+;------------------------------------------------------------------------------\r
+; VOID\r
+; EFIAPI\r
+; JumpToKernel (\r
+; VOID *KernelStart, // rcx\r
+; VOID *KernelBootParams // rdx\r
+; );\r
+;------------------------------------------------------------------------------\r
+global ASM_PFX(JumpToKernel)\r
+ASM_PFX(JumpToKernel):\r
+\r
+ ; Set up for executing kernel. BP in %esi, entry point on the stack\r
+ ; (64-bit when the 'ret' will use it as 32-bit, but we're little-endian)\r
+ mov rsi, rdx\r
+ push rcx\r
+\r
+ ; Jump into the compatibility mode CS\r
+ push 0x10\r
+ lea rax, [.0]\r
+ push rax\r
+ DB 0x48, 0xcb ; retfq\r
+\r
+.0:\r
+ ; Now in compatibility mode.\r
+\r
+ DB 0xb8, 0x18, 0x0, 0x0, 0x0 ; movl $0x18, %eax\r
+ DB 0x8e, 0xd8 ; movl %eax, %ds\r
+ DB 0x8e, 0xc0 ; movl %eax, %es\r
+ DB 0x8e, 0xe0 ; movl %eax, %fs\r
+ DB 0x8e, 0xe8 ; movl %eax, %gs\r
+ DB 0x8e, 0xd0 ; movl %eax, %ss\r
+\r
+ ; Disable paging\r
+ DB 0xf, 0x20, 0xc0 ; movl %cr0, %eax\r
+ DB 0xf, 0xba, 0xf8, 0x1f ; btcl $31, %eax\r
+ DB 0xf, 0x22, 0xc0 ; movl %eax, %cr0\r
+\r
+ ; Disable long mode in EFER\r
+ DB 0xb9, 0x80, 0x0, 0x0, 0xc0 ; movl $0x0c0000080, %ecx\r
+ DB 0xf, 0x32 ; rdmsr\r
+ DB 0xf, 0xba, 0xf8, 0x8 ; btcl $8, %eax\r
+ DB 0xf, 0x30 ; wrmsr\r
+\r
+ ; Disable PAE\r
+ DB 0xf, 0x20, 0xe0 ; movl %cr4, %eax\r
+ DB 0xf, 0xba, 0xf8, 0x5 ; btcl $5, %eax\r
+ DB 0xf, 0x22, 0xe0 ; movl %eax, %cr4\r
+\r
+ DB 0x31, 0xed ; xor %ebp, %ebp\r
+ DB 0x31, 0xff ; xor %edi, %edi\r
+ DB 0x31, 0xdb ; xor %ebx, %ebx\r
+ DB 0xc3 ; ret\r
+\r
+;------------------------------------------------------------------------------\r
+; VOID\r
+; EFIAPI\r
+; JumpToUefiKernel (\r
+; EFI_HANDLE ImageHandle, // rcx\r
+; EFI_SYSTEM_TABLE *SystemTable, // rdx\r
+; VOID *KernelBootParams // r8\r
+; VOID *KernelStart, // r9\r
+; );\r
+;------------------------------------------------------------------------------\r
+global ASM_PFX(JumpToUefiKernel)\r
+ASM_PFX(JumpToUefiKernel):\r
+\r
+ mov rdi, rcx\r
+ mov rsi, rdx\r
+ mov rdx, r8\r
+ xor rax, rax\r
+ mov eax, [r8 + 0x264]\r
+ add r9, rax\r
+ add r9, 0x200\r
+ call r9\r
+ ret\r
+\r
projects / mirror_edk2.git / commitdiff