diff options
| author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
| commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
| tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/x86/boot/bioscall.S | |
| parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
| download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip | |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/boot/bioscall.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/x86/boot/bioscall.S | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/ANDROID_3.4.5/arch/x86/boot/bioscall.S b/ANDROID_3.4.5/arch/x86/boot/bioscall.S deleted file mode 100644 index 1dfbf64e..00000000 --- a/ANDROID_3.4.5/arch/x86/boot/bioscall.S +++ /dev/null @@ -1,82 +0,0 @@ -/* ----------------------------------------------------------------------- - * - * Copyright 2009 Intel Corporation; author H. Peter Anvin - * - * This file is part of the Linux kernel, and is made available under - * the terms of the GNU General Public License version 2 or (at your - * option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * "Glove box" for BIOS calls. Avoids the constant problems with BIOSes - * touching registers they shouldn't be. - */ - - .code16gcc - .text - .globl intcall - .type intcall, @function -intcall: - /* Self-modify the INT instruction. Ugly, but works. */ - cmpb %al, 3f - je 1f - movb %al, 3f - jmp 1f /* Synchronize pipeline */ -1: - /* Save state */ - pushfl - pushw %fs - pushw %gs - pushal - - /* Copy input state to stack frame */ - subw $44, %sp - movw %dx, %si - movw %sp, %di - movw $11, %cx - rep; movsd - - /* Pop full state from the stack */ - popal - popw %gs - popw %fs - popw %es - popw %ds - popfl - - /* Actual INT */ - .byte 0xcd /* INT opcode */ -3: .byte 0 - - /* Push full state to the stack */ - pushfl - pushw %ds - pushw %es - pushw %fs - pushw %gs - pushal - - /* Re-establish C environment invariants */ - cld - movzwl %sp, %esp - movw %cs, %ax - movw %ax, %ds - movw %ax, %es - - /* Copy output state from stack frame */ - movw 68(%esp), %di /* Original %cx == 3rd argument */ - andw %di, %di - jz 4f - movw %sp, %si - movw $11, %cx - rep; movsd -4: addw $44, %sp - - /* Restore state and return */ - popal - popw %gs - popw %fs - popfl - retl - .size intcall, .-intcall |