summaryrefslogtreecommitdiffstats
path: root/qemu/roms/seabios/src/biosvar.h
diff options
context:
space:
mode:
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/src/biosvar.h
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/src/biosvar.h')
-rw-r--r--qemu/roms/seabios/src/biosvar.h130
1 files changed, 0 insertions, 130 deletions
diff --git a/qemu/roms/seabios/src/biosvar.h b/qemu/roms/seabios/src/biosvar.h
deleted file mode 100644
index f61fb6a50..000000000
--- a/qemu/roms/seabios/src/biosvar.h
+++ /dev/null
@@ -1,130 +0,0 @@
-// Memory access to BIOS variables.
-//
-// Copyright (C) 2008-2013 Kevin O'Connor <kevin@koconnor.net>
-//
-// This file may be distributed under the terms of the GNU LGPLv3 license.
-#ifndef __BIOSVAR_H
-#define __BIOSVAR_H
-
-#include "config.h" // SEG_BDA
-#include "farptr.h" // GET_FARVAR
-#include "memmap.h" // SYMBOL
-#include "std/bda.h" // struct bios_data_area_s
-
-
-/****************************************************************
- * Interrupt vector table
- ****************************************************************/
-
-#define GET_IVT(vector) \
- GET_FARVAR(SEG_IVT, ((struct rmode_IVT *)0)->ivec[vector])
-#define SET_IVT(vector, segoff) \
- SET_FARVAR(SEG_IVT, ((struct rmode_IVT *)0)->ivec[vector], segoff)
-
-#define FUNC16(func) ({ \
- ASSERT32FLAT(); \
- extern void func (void); \
- SEGOFF(SEG_BIOS, (u32)func - BUILD_BIOS_ADDR); \
- })
-
-
-/****************************************************************
- * Bios Data Area (BDA)
- ****************************************************************/
-
-// Accessor functions
-#define GET_BDA(var) \
- GET_FARVAR(SEG_BDA, ((struct bios_data_area_s *)0)->var)
-#define SET_BDA(var, val) \
- SET_FARVAR(SEG_BDA, ((struct bios_data_area_s *)0)->var, (val))
-
-// Helper function to set the bits of the equipment_list_flags variable.
-static inline void set_equipment_flags(u16 clear, u16 set) {
- u16 eqf = GET_BDA(equipment_list_flags);
- SET_BDA(equipment_list_flags, (eqf & ~clear) | set);
-}
-
-
-/****************************************************************
- * Extended Bios Data Area (EBDA)
- ****************************************************************/
-
-// The initial size and location of EBDA
-#define EBDA_SIZE_START \
- DIV_ROUND_UP(sizeof(struct extended_bios_data_area_s), 1024)
-#define EBDA_SEGMENT_START \
- FLATPTR_TO_SEG(BUILD_LOWRAM_END - EBDA_SIZE_START*1024)
-
-// Accessor functions
-static inline u16 get_ebda_seg(void) {
- return GET_BDA(ebda_seg);
-}
-static inline struct extended_bios_data_area_s *
-get_ebda_ptr(void)
-{
- ASSERT32FLAT();
- return MAKE_FLATPTR(get_ebda_seg(), 0);
-}
-#define GET_EBDA(eseg, var) \
- GET_FARVAR(eseg, ((struct extended_bios_data_area_s *)0)->var)
-#define SET_EBDA(eseg, var, val) \
- SET_FARVAR(eseg, ((struct extended_bios_data_area_s *)0)->var, (val))
-
-
-/****************************************************************
- * Global variables
- ****************************************************************/
-
-#if MODE16 == 0 && MODESEGMENT == 1
-// In 32bit segmented mode %cs may not be readable and the code may be
-// relocated. The entry code sets up %gs with a readable segment and
-// the code offset can be determined by get_global_offset().
-#define GLOBAL_SEGREG GS
-static inline u32 __attribute_const get_global_offset(void) {
- u32 ret;
- asm(" calll 1f\n"
- "1:popl %0\n"
- " subl $1b, %0"
- : "=r"(ret));
- return ret;
-}
-#else
-#define GLOBAL_SEGREG CS
-static inline u32 __attribute_const get_global_offset(void) {
- return 0;
-}
-#endif
-static inline u16 get_global_seg(void) {
- return GET_SEG(GLOBAL_SEGREG);
-}
-#define GET_GLOBAL(var) \
- GET_VAR(GLOBAL_SEGREG, *(typeof(&(var)))((void*)&(var) \
- + get_global_offset()))
-#if MODESEGMENT
-#define GLOBALFLAT2GLOBAL(var) ((typeof(var))((void*)(var) - BUILD_BIOS_ADDR))
-#else
-#define GLOBALFLAT2GLOBAL(var) (var)
-#endif
-// Access a "flat" pointer known to point to the f-segment.
-#define GET_GLOBALFLAT(var) GET_GLOBAL(*GLOBALFLAT2GLOBAL(&(var)))
-
-
-/****************************************************************
- * "Low" memory variables
- ****************************************************************/
-
-#define SEG_LOW SYMBOL(_zonelow_seg)
-
-#if MODESEGMENT
-#define GET_LOW(var) GET_FARVAR(SEG_LOW, (var))
-#define SET_LOW(var, val) SET_FARVAR(SEG_LOW, (var), (val))
-#define LOWFLAT2LOW(var) ((typeof(var))((void*)(var) - SYMBOL(zonelow_base)))
-#else
-#define GET_LOW(var) (var)
-#define SET_LOW(var, val) do { (var) = (val); } while (0)
-#define LOWFLAT2LOW(var) (var)
-#endif
-#define GET_LOWFLAT(var) GET_LOW(*LOWFLAT2LOW(&(var)))
-#define SET_LOWFLAT(var, val) SET_LOW(*LOWFLAT2LOW(&(var)), (val))
-
-#endif // __BIOSVAR_H