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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/seabios/vgasrc/vgaentry.S
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/seabios/vgasrc/vgaentry.S')
-rw-r--r--qemu/roms/seabios/vgasrc/vgaentry.S161
1 files changed, 0 insertions, 161 deletions
diff --git a/qemu/roms/seabios/vgasrc/vgaentry.S b/qemu/roms/seabios/vgasrc/vgaentry.S
deleted file mode 100644
index 53be2b38c..000000000
--- a/qemu/roms/seabios/vgasrc/vgaentry.S
+++ /dev/null
@@ -1,161 +0,0 @@
-// Rom layout and bios assembler to C interface.
-//
-// Copyright (C) 2009-2013 Kevin O'Connor <kevin@koconnor.net>
-//
-// This file may be distributed under the terms of the GNU LGPLv3 license.
-
-
-#include "asm-offsets.h" // BREGS_*
-#include "config.h" // CONFIG_*
-#include "entryfuncs.S" // ENTRY_*
-
-
-/****************************************************************
- * Rom Header
- ****************************************************************/
-
- .section .rom.header
- .code16
- .global _rom_header, _rom_header_size, _rom_header_checksum
-_rom_header:
- .word 0xaa55
-_rom_header_size:
- .byte 0
-_rom_header_entry:
- jmp _optionrom_entry
-_rom_header_checksum:
- .byte 0
-_rom_header_other:
- .space 17
-_rom_header_pcidata:
-#if CONFIG_VGA_PCI == 1
- .word rom_pci_data
-#else
- .word 0
-#endif
-_rom_header_pnpdata:
- .word 0
-_rom_header_other2:
- .word 0
-_rom_header_signature:
- .asciz "IBM"
-
-
-/****************************************************************
- * Entry points
- ****************************************************************/
-
- // This macro implements a call while avoiding instructions
- // that old versions of x86emu have problems with.
- .macro VGA_CALLL cfunc
-#if CONFIG_VGA_FIXUP_ASM
- pushw %ax
- callw \cfunc
-#else
- calll \cfunc
-#endif
- .endm
-
- // This macro is the same as ENTRY_ARG except VGA_CALLL is used.
- .macro ENTRY_ARG_VGA cfunc
- cli
- cld
- PUSHBREGS
- movw %ss, %ax // Move %ss to %ds
- movw %ax, %ds
- movl %esp, %ebx // Backup %esp, then zero high bits
- movzwl %sp, %esp
- movl %esp, %eax // First arg is pointer to struct bregs
- VGA_CALLL \cfunc
- movl %ebx, %esp // Restore %esp (including high bits)
- POPBREGS
- .endm
-
- DECLFUNC entry_104f05
-entry_104f05:
- ENTRY_ARG_VGA vbe_104f05
- lretw
-
- DECLFUNC _optionrom_entry
-_optionrom_entry:
- ENTRY_ARG_VGA vga_post
- lretw
-
- DECLFUNC entry_10
-entry_10:
- ENTRY_ARG_VGA handle_10
- iretw
-
-#define VGA_CUSTOM_BDA_FLAGS 0xb9
-#define BF_EXTRA_STACK 0x40
-
- // Entry point using extra stack
- DECLFUNC entry_10_extrastack
-entry_10_extrastack:
- cli
- cld
- pushw %ds
- pushl %eax
-
- movw $SEG_BDA, %ax // Check if extra stack is enabled
- movw %ax, %ds
- testb $BF_EXTRA_STACK, VGA_CUSTOM_BDA_FLAGS
- jz 1f
-
- movw %cs:ExtraStackSeg, %ds // Set %ds:%eax to space on ExtraStack
- movl $(CONFIG_VGA_EXTRA_STACK_SIZE-PUSHBREGS_size-16), %eax
- SAVEBREGS_POP_DSEAX // Save registers on extra stack
- movl %esp, PUSHBREGS_size+8(%eax)
- movw %ss, PUSHBREGS_size+12(%eax)
- popl BREGS_code(%eax)
- popw BREGS_flags(%eax)
-
- movw %ds, %dx // Setup %ss/%esp and call function
- movw %dx, %ss
- movl %eax, %esp
- VGA_CALLL handle_10
-
- movl %esp, %eax // Restore registers and return
- movw PUSHBREGS_size+12(%eax), %ss
- movl PUSHBREGS_size+8(%eax), %esp
- popl %edx
- popw %dx
- pushw BREGS_flags(%eax)
- pushl BREGS_code(%eax)
- RESTOREBREGS_DSEAX
- iretw
-
-1: // Use regular entry point if the extra stack is disabled
- popl %eax
- popw %ds
- jmp entry_10
-
- // Timer irq handling
- DECLFUNC entry_timer_hook
-entry_timer_hook:
- ENTRY handle_timer_hook
- ljmpw *%cs:Timer_Hook_Resume
-
- // Timer irq handling on extra stack
- DECLFUNC entry_timer_hook_extrastack
-entry_timer_hook_extrastack:
- cli
- cld
- pushw %ds // Set %ds:%eax to space on ExtraStack
- pushl %eax
- movw %cs:ExtraStackSeg, %ds
- movl $(CONFIG_VGA_EXTRA_STACK_SIZE-PUSHBREGS_size-8), %eax
- SAVEBREGS_POP_DSEAX
- movl %esp, PUSHBREGS_size(%eax)
- movw %ss, PUSHBREGS_size+4(%eax)
-
- movw %ds, %dx // Setup %ss/%esp and call function
- movw %dx, %ss
- movl %eax, %esp
- calll handle_timer_hook
-
- movl %esp, %eax // Restore registers and return
- movw PUSHBREGS_size+4(%eax), %ss
- movl PUSHBREGS_size(%eax), %esp
- RESTOREBREGS_DSEAX
- ljmpw *%cs:Timer_Hook_Resume