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>

1 files changed, 0 insertions, 542 deletions

diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pcbios/vesafb.c b/qemu/roms/ipxe/src/arch/i386/interface/pcbios/vesafb.c
deleted file mode 100644
index 9cf2bf29e..000000000
--- a/qemu/roms/ipxe/src/arch/i386/interface/pcbios/vesafb.c
+++ /dev/null
@@ -1,542 +0,0 @@
-/*
- * Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-/** @file
- *
- * VESA frame buffer console
- *
- */
-
-#include <stdlib.h>
-#include <errno.h>
-#include <limits.h>
-#include <realmode.h>
-#include <ipxe/console.h>
-#include <ipxe/io.h>
-#include <ipxe/ansicol.h>
-#include <ipxe/fbcon.h>
-#include <ipxe/vesafb.h>
-#include <config/console.h>
-
-/* Avoid dragging in BIOS console if not otherwise used */
-extern struct console_driver bios_console;
-struct console_driver bios_console __attribute__ (( weak ));
-
-/* Disambiguate the various error causes */
-#define EIO_FAILED __einfo_error ( EINFO_EIO_FAILED )
-#define EINFO_EIO_FAILED						\
-	__einfo_uniqify ( EINFO_EIO, 0x01,				\
-			  "Function call failed" )
-#define EIO_HARDWARE __einfo_error ( EINFO_EIO_HARDWARE )
-#define EINFO_EIO_HARDWARE						\
-	__einfo_uniqify ( EINFO_EIO, 0x02,				\
-			  "Not supported in current configuration" )
-#define EIO_MODE __einfo_error ( EINFO_EIO_MODE )
-#define EINFO_EIO_MODE							\
-	__einfo_uniqify ( EINFO_EIO, 0x03,				\
-			  "Invalid in current video mode" )
-#define EIO_VBE( code )							\
-	EUNIQ ( EINFO_EIO, (code), EIO_FAILED, EIO_HARDWARE, EIO_MODE )
-
-/* Set default console usage if applicable */
-#if ! ( defined ( CONSOLE_VESAFB ) && CONSOLE_EXPLICIT ( CONSOLE_VESAFB ) )
-#undef CONSOLE_VESAFB
-#define CONSOLE_VESAFB ( CONSOLE_USAGE_ALL & ~CONSOLE_USAGE_LOG )
-#endif
-
-/** Font corresponding to selected character width and height */
-#define VESAFB_FONT VBE_FONT_8x16
-
-/* Forward declaration */
-struct console_driver vesafb_console __console_driver;
-
-/** A VESA frame buffer */
-struct vesafb {
-	/** Frame buffer console */
-	struct fbcon fbcon;
-	/** Physical start address */
-	physaddr_t start;
-	/** Pixel geometry */
-	struct fbcon_geometry pixel;
-	/** Margin */
-	struct fbcon_margin margin;
-	/** Colour mapping */
-	struct fbcon_colour_map map;
-	/** Font definition */
-	struct fbcon_font font;
-	/** Saved VGA mode */
-	uint8_t saved_mode;
-};
-
-/** The VESA frame buffer */
-static struct vesafb vesafb;
-
-/** Base memory buffer used for VBE calls */
-union vbe_buffer {
-	/** VBE controller information block */
-	struct vbe_controller_info controller;
-	/** VBE mode information block */
-	struct vbe_mode_info mode;
-};
-static union vbe_buffer __bss16 ( vbe_buf );
-#define vbe_buf __use_data16 ( vbe_buf )
-
-/**
- * Convert VBE status code to iPXE status code
- *
- * @v status		VBE status code
- * @ret rc		Return status code
- */
-static int vesafb_rc ( unsigned int status ) {
-	unsigned int code;
-
-	if ( ( status & 0xff ) != 0x4f )
-		return -ENOTSUP;
-	code = ( ( status >> 8 ) & 0xff );
-	return ( code ? -EIO_VBE ( code ) : 0 );
-}
-
-/**
- * Get font definition
- *
- */
-static void vesafb_font ( void ) {
-	struct segoff font;
-
-	/* Get font information
-	 *
-	 * Working around gcc bugs is icky here.  The value we want is
-	 * returned in %ebp, but there's no way to specify %ebp in an
-	 * output constraint.  We can't put %ebp in the clobber list,
-	 * because this tends to cause random build failures on some
-	 * gcc versions.  We can't manually push/pop %ebp and return
-	 * the value via a generic register output constraint, because
-	 * gcc might choose to use %ebp to satisfy that constraint
-	 * (and we have no way to prevent it from so doing).
-	 *
-	 * Work around this hideous mess by using %ecx and %edx as the
-	 * output registers, since they get clobbered anyway.
-	 */
-	__asm__ __volatile__ ( REAL_CODE ( "pushw %%bp\n\t" /* gcc bug */
-					   "int $0x10\n\t"
-					   "movw %%es, %%cx\n\t"
-					   "movw %%bp, %%dx\n\t"
-					   "popw %%bp\n\t" /* gcc bug */ )
-			       : "=c" ( font.segment ),
-				 "=d" ( font.offset )
-			       : "a" ( VBE_GET_FONT ),
-				 "b" ( VESAFB_FONT ) );
-	DBGC ( &vbe_buf, "VESAFB has font %04x at %04x:%04x\n",
-	       VESAFB_FONT, font.segment, font.offset );
-	vesafb.font.start = real_to_user ( font.segment, font.offset );
-}
-
-/**
- * Get VBE mode list
- *
- * @ret mode_numbers	Mode number list (terminated with VBE_MODE_END)
- * @ret rc		Return status code
- *
- * The caller is responsible for eventually freeing the mode list.
- */
-static int vesafb_mode_list ( uint16_t **mode_numbers ) {
-	struct vbe_controller_info *controller = &vbe_buf.controller;
-	userptr_t video_mode_ptr;
-	uint16_t mode_number;
-	uint16_t status;
-	size_t len;
-	int rc;
-
-	/* Avoid returning uninitialised data on error */
-	*mode_numbers = NULL;
-
-	/* Get controller information block */
-	controller->vbe_signature = 0;
-	__asm__ __volatile__ ( REAL_CODE ( "int $0x10" )
-			       : "=a" ( status )
-			       : "a" ( VBE_CONTROLLER_INFO ),
-				 "D" ( __from_data16 ( controller ) )
-			       : "memory", "ebx", "edx" );
-	if ( ( rc = vesafb_rc ( status ) ) != 0 ) {
-		DBGC ( &vbe_buf, "VESAFB could not get controller information: "
-		       "[%04x] %s\n", status, strerror ( rc ) );
-		return rc;
-	}
-	if ( controller->vbe_signature != VBE_CONTROLLER_SIGNATURE ) {
-		DBGC ( &vbe_buf, "VESAFB invalid controller signature "
-		       "\"%c%c%c%c\"\n", ( controller->vbe_signature >> 0 ),
-		       ( controller->vbe_signature >> 8 ),
-		       ( controller->vbe_signature >> 16 ),
-		       ( controller->vbe_signature >> 24 ) );
-		DBGC_HDA ( &vbe_buf, 0, controller, sizeof ( *controller ) );
-		return -EINVAL;
-	}
-	DBGC ( &vbe_buf, "VESAFB found VBE version %d.%d with mode list at "
-	       "%04x:%04x\n", controller->vbe_major_version,
-	       controller->vbe_minor_version,
-	       controller->video_mode_ptr.segment,
-	       controller->video_mode_ptr.offset );
-
-	/* Calculate length of mode list */
-	video_mode_ptr = real_to_user ( controller->video_mode_ptr.segment,
-					controller->video_mode_ptr.offset );
-	len = 0;
-	do {
-		copy_from_user ( &mode_number, video_mode_ptr, len,
-				 sizeof ( mode_number ) );
-		len += sizeof ( mode_number );
-	} while ( mode_number != VBE_MODE_END );
-
-	/* Allocate and fill mode list */
-	*mode_numbers = malloc ( len );
-	if ( ! *mode_numbers )
-		return -ENOMEM;
-	copy_from_user ( *mode_numbers, video_mode_ptr, 0, len );
-
-	return 0;
-}
-
-/**
- * Get video mode information
- *
- * @v mode_number	Mode number
- * @ret rc		Return status code
- */
-static int vesafb_mode_info ( unsigned int mode_number ) {
-	struct vbe_mode_info *mode = &vbe_buf.mode;
-	uint16_t status;
-	int rc;
-
-	/* Get mode information */
-	__asm__ __volatile__ ( REAL_CODE ( "int $0x10" )
-			       : "=a" ( status )
-			       : "a" ( VBE_MODE_INFO ),
-				 "c" ( mode_number ),
-				 "D" ( __from_data16 ( mode ) )
-			       : "memory" );
-	if ( ( rc = vesafb_rc ( status ) ) != 0 ) {
-		DBGC ( &vbe_buf, "VESAFB could not get mode %04x information: "
-		       "[%04x] %s\n", mode_number, status, strerror ( rc ) );
-		return rc;
-	}
-	DBGC ( &vbe_buf, "VESAFB mode %04x %dx%d %dbpp(%d:%d:%d:%d) model "
-	       "%02x [x%d]%s%s%s%s%s\n", mode_number, mode->x_resolution,
-	       mode->y_resolution, mode->bits_per_pixel, mode->rsvd_mask_size,
-	       mode->red_mask_size, mode->green_mask_size, mode->blue_mask_size,
-	       mode->memory_model, ( mode->number_of_image_pages + 1 ),
-	       ( ( mode->mode_attributes & VBE_MODE_ATTR_SUPPORTED ) ?
-		 "" : " [unsupported]" ),
-	       ( ( mode->mode_attributes & VBE_MODE_ATTR_TTY ) ?
-		 " [tty]" : "" ),
-	       ( ( mode->mode_attributes & VBE_MODE_ATTR_GRAPHICS ) ?
-		 "" : " [text]" ),
-	       ( ( mode->mode_attributes & VBE_MODE_ATTR_LINEAR ) ?
-		 "" : " [nonlinear]" ),
-	       ( ( mode->mode_attributes & VBE_MODE_ATTR_TRIPLE_BUF ) ?
-		 " [buf]" : "" ) );
-
-	return 0;
-}
-
-/**
- * Set video mode
- *
- * @v mode_number	Mode number
- * @ret rc		Return status code
- */
-static int vesafb_set_mode ( unsigned int mode_number ) {
-	struct vbe_mode_info *mode = &vbe_buf.mode;
-	uint16_t status;
-	int rc;
-
-	/* Get mode information */
-	if ( ( rc = vesafb_mode_info ( mode_number ) ) != 0 )
-		return rc;
-
-	/* Record mode parameters */
-	vesafb.start = mode->phys_base_ptr;
-	vesafb.pixel.width = mode->x_resolution;
-	vesafb.pixel.height = mode->y_resolution;
-	vesafb.pixel.len = ( ( mode->bits_per_pixel + 7 ) / 8 );
-	vesafb.pixel.stride = mode->bytes_per_scan_line;
-	DBGC ( &vbe_buf, "VESAFB mode %04x has frame buffer at %08x\n",
-	       mode_number, mode->phys_base_ptr );
-
-	/* Initialise font colours */
-	vesafb.map.red_scale = ( 8 - mode->red_mask_size );
-	vesafb.map.green_scale = ( 8 - mode->green_mask_size );
-	vesafb.map.blue_scale = ( 8 - mode->blue_mask_size );
-	vesafb.map.red_lsb = mode->red_field_position;
-	vesafb.map.green_lsb = mode->green_field_position;
-	vesafb.map.blue_lsb = mode->blue_field_position;
-
-	/* Select this mode */
-	__asm__ __volatile__ ( REAL_CODE ( "int $0x10" )
-			       : "=a" ( status )
-			       : "a" ( VBE_SET_MODE ),
-				 "b" ( mode_number ) );
-	if ( ( rc = vesafb_rc ( status ) ) != 0 ) {
-		DBGC ( &vbe_buf, "VESAFB could not set mode %04x: [%04x] %s\n",
-		       mode_number, status, strerror ( rc ) );
-		return rc;
-	}
-
-	return 0;
-}
-
-/**
- * Select video mode
- *
- * @v mode_numbers	Mode number list (terminated with VBE_MODE_END)
- * @v min_width		Minimum required width (in pixels)
- * @v min_height	Minimum required height (in pixels)
- * @v min_bpp		Minimum required colour depth (in bits per pixel)
- * @ret mode_number	Mode number, or negative error
- */
-static int vesafb_select_mode ( const uint16_t *mode_numbers,
-				unsigned int min_width, unsigned int min_height,
-				unsigned int min_bpp ) {
-	struct vbe_mode_info *mode = &vbe_buf.mode;
-	int best_mode_number = -ENOENT;
-	unsigned int best_score = INT_MAX;
-	unsigned int score;
-	uint16_t mode_number;
-	int rc;
-
-	/* Find the first suitable mode */
-	while ( ( mode_number = *(mode_numbers++) ) != VBE_MODE_END ) {
-
-		/* Force linear mode variant */
-		mode_number |= VBE_MODE_LINEAR;
-
-		/* Get mode information */
-		if ( ( rc = vesafb_mode_info ( mode_number ) ) != 0 )
-			continue;
-
-		/* Skip unusable modes */
-		if ( ( mode->mode_attributes & ( VBE_MODE_ATTR_SUPPORTED |
-						 VBE_MODE_ATTR_GRAPHICS |
-						 VBE_MODE_ATTR_LINEAR ) ) !=
-		     ( VBE_MODE_ATTR_SUPPORTED | VBE_MODE_ATTR_GRAPHICS |
-		       VBE_MODE_ATTR_LINEAR ) ) {
-			continue;
-		}
-		if ( mode->memory_model != VBE_MODE_MODEL_DIRECT_COLOUR )
-			continue;
-
-		/* Skip modes not meeting the requirements */
-		if ( ( mode->x_resolution < min_width ) ||
-		     ( mode->y_resolution < min_height ) ||
-		     ( mode->bits_per_pixel < min_bpp ) ) {
-			continue;
-		}
-
-		/* Select this mode if it has the best (i.e. lowest)
-		 * score.  We choose the scoring system to favour
-		 * modes close to the specified width and height;
-		 * within modes of the same width and height we prefer
-		 * a higher colour depth.
-		 */
-		score = ( ( mode->x_resolution * mode->y_resolution ) -
-			  mode->bits_per_pixel );
-		if ( score < best_score ) {
-			best_mode_number = mode_number;
-			best_score = score;
-		}
-	}
-
-	if ( best_mode_number >= 0 ) {
-		DBGC ( &vbe_buf, "VESAFB selected mode %04x\n",
-		       best_mode_number );
-	} else {
-		DBGC ( &vbe_buf, "VESAFB found no suitable mode\n" );
-	}
-
-	return best_mode_number;
-}
-
-/**
- * Restore video mode
- *
- */
-static void vesafb_restore ( void ) {
-	uint32_t discard_a;
-
-	/* Restore saved VGA mode */
-	__asm__ __volatile__ ( REAL_CODE ( "int $0x10" )
-			       : "=a" ( discard_a )
-			       : "a" ( VBE_SET_VGA_MODE | vesafb.saved_mode ) );
-	DBGC ( &vbe_buf, "VESAFB restored VGA mode %#02x\n",
-	       vesafb.saved_mode );
-}
-
-/**
- * Initialise VESA frame buffer
- *
- * @v config		Console configuration, or NULL to reset
- * @ret rc		Return status code
- */
-static int vesafb_init ( struct console_configuration *config ) {
-	uint32_t discard_b;
-	uint16_t *mode_numbers;
-	unsigned int xgap;
-	unsigned int ygap;
-	unsigned int left;
-	unsigned int right;
-	unsigned int top;
-	unsigned int bottom;
-	int mode_number;
-	int rc;
-
-	/* Record current VGA mode */
-	__asm__ __volatile__ ( REAL_CODE ( "int $0x10" )
-			       : "=a" ( vesafb.saved_mode ), "=b" ( discard_b )
-			       : "a" ( VBE_GET_VGA_MODE ) );
-	DBGC ( &vbe_buf, "VESAFB saved VGA mode %#02x\n", vesafb.saved_mode );
-
-	/* Get VESA mode list */
-	if ( ( rc = vesafb_mode_list ( &mode_numbers ) ) != 0 )
-		goto err_mode_list;
-
-	/* Select mode */
-	if ( ( mode_number = vesafb_select_mode ( mode_numbers, config->width,
-						  config->height,
-						  config->depth ) ) < 0 ) {
-		rc = mode_number;
-		goto err_select_mode;
-	}
-
-	/* Set mode */
-	if ( ( rc = vesafb_set_mode ( mode_number ) ) != 0 )
-		goto err_set_mode;
-
-	/* Calculate margin.  If the actual screen size is larger than
-	 * the requested screen size, then update the margins so that
-	 * the margin remains relative to the requested screen size.
-	 * (As an exception, if a zero margin was specified then treat
-	 * this as meaning "expand to edge of actual screen".)
-	 */
-	xgap = ( vesafb.pixel.width - config->width );
-	ygap = ( vesafb.pixel.height - config->height );
-	left = ( xgap / 2 );
-	right = ( xgap - left );
-	top = ( ygap / 2 );
-	bottom = ( ygap - top );
-	vesafb.margin.left = ( config->left + ( config->left ? left : 0 ) );
-	vesafb.margin.right = ( config->right + ( config->right ? right : 0 ) );
-	vesafb.margin.top = ( config->top + ( config->top ? top : 0 ) );
-	vesafb.margin.bottom =
-		( config->bottom + ( config->bottom ? bottom : 0 ) );
-
-	/* Get font data */
-	vesafb_font();
-
-	/* Initialise frame buffer console */
-	if ( ( rc = fbcon_init ( &vesafb.fbcon, phys_to_user ( vesafb.start ),
-				 &vesafb.pixel, &vesafb.margin, &vesafb.map,
-				 &vesafb.font, config->pixbuf ) ) != 0 )
-		goto err_fbcon_init;
-
-	free ( mode_numbers );
-	return 0;
-
-	fbcon_fini ( &vesafb.fbcon );
- err_fbcon_init:
- err_set_mode:
-	vesafb_restore();
- err_select_mode:
-	free ( mode_numbers );
- err_mode_list:
-	return rc;
-}
-
-/**
- * Finalise VESA frame buffer
- *
- */
-static void vesafb_fini ( void ) {
-
-	/* Finalise frame buffer console */
-	fbcon_fini ( &vesafb.fbcon );
-
-	/* Restore saved VGA mode */
-	vesafb_restore();
-}
-
-/**
- * Print a character to current cursor position
- *
- * @v character		Character
- */
-static void vesafb_putchar ( int character ) {
-
-	fbcon_putchar ( &vesafb.fbcon, character );
-}
-
-/**
- * Configure console
- *
- * @v config		Console configuration, or NULL to reset
- * @ret rc		Return status code
- */
-static int vesafb_configure ( struct console_configuration *config ) {
-	int rc;
-
-	/* Reset console, if applicable */
-	if ( ! vesafb_console.disabled ) {
-		vesafb_fini();
-		bios_console.disabled &= ~CONSOLE_DISABLED_OUTPUT;
-		ansicol_reset_magic();
-	}
-	vesafb_console.disabled = CONSOLE_DISABLED;
-
-	/* Do nothing more unless we have a usable configuration */
-	if ( ( config == NULL ) ||
-	     ( config->width == 0 ) || ( config->height == 0 ) ) {
-		return 0;
-	}
-
-	/* Initialise VESA frame buffer */
-	if ( ( rc = vesafb_init ( config ) ) != 0 )
-		return rc;
-
-	/* Mark console as enabled */
-	vesafb_console.disabled = 0;
-	bios_console.disabled |= CONSOLE_DISABLED_OUTPUT;
-
-	/* Set magic colour to transparent if we have a background picture */
-	if ( config->pixbuf )
-		ansicol_set_magic_transparent();
-
-	return 0;
-}
-
-/** VESA frame buffer console driver */
-struct console_driver vesafb_console __console_driver = {
-	.usage = CONSOLE_VESAFB,
-	.putchar = vesafb_putchar,
-	.configure = vesafb_configure,
-	.disabled = CONSOLE_DISABLED,
-};