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-rw-r--r--qemu/roms/ipxe/src/core/memmap_settings.c244
1 files changed, 0 insertions, 244 deletions
diff --git a/qemu/roms/ipxe/src/core/memmap_settings.c b/qemu/roms/ipxe/src/core/memmap_settings.c
deleted file mode 100644
index fab3e5f3a..000000000
--- a/qemu/roms/ipxe/src/core/memmap_settings.c
+++ /dev/null
@@ -1,244 +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 );
-
-#include <string.h>
-#include <errno.h>
-#include <byteswap.h>
-#include <ipxe/init.h>
-#include <ipxe/settings.h>
-#include <ipxe/io.h>
-
-/** @file
- *
- * Memory map settings
- *
- * Memory map settings are numerically encoded as:
- *
- * Bits 31-24 Number of regions, minus one
- * Bits 23-16 Starting region
- * Bits 15-11 Unused
- * Bit 10 Ignore non-existent regions (rather than generating an error)
- * Bit 9 Include length
- * Bit 8 Include start address
- * Bits 7-6 Unused
- * Bits 5-0 Scale factor (i.e. right shift count)
- */
-
-/**
- * Construct memory map setting tag
- *
- * @v start Starting region
- * @v count Number of regions
- * @v include_start Include start address
- * @v include_length Include length
- * @v ignore Ignore non-existent regions
- * @v scale Scale factor
- * @ret tag Setting tag
- */
-#define MEMMAP_TAG( start, count, include_start, include_length, \
- ignore, scale ) \
- ( ( (start) << 16 ) | ( ( (count) - 1 ) << 24 ) | \
- ( (ignore) << 10 ) | ( (include_length) << 9 ) | \
- ( (include_start) << 8 ) | (scale) )
-
-/**
- * Extract number of regions from setting tag
- *
- * @v tag Setting tag
- * @ret count Number of regions
- */
-#define MEMMAP_COUNT( tag ) ( ( ( (tag) >> 24 ) & 0xff ) + 1 )
-
-/**
- * Extract starting region from setting tag
- *
- * @v tag Setting tag
- * @ret start Starting region
- */
-#define MEMMAP_START( tag ) ( ( (tag) >> 16 ) & 0xff )
-
-/**
- * Extract ignore flag from setting tag
- *
- * @v tag Setting tag
- * @ret ignore Ignore non-existent regions
- */
-#define MEMMAP_IGNORE_NONEXISTENT( tag ) ( (tag) & 0x00000400UL )
-
-/**
- * Extract length inclusion flag from setting tag
- *
- * @v tag Setting tag
- * @ret include_length Include length
- */
-#define MEMMAP_INCLUDE_LENGTH( tag ) ( (tag) & 0x00000200UL )
-
-/**
- * Extract start address inclusion flag from setting tag
- *
- * @v tag Setting tag
- * @ret include_start Include start address
- */
-#define MEMMAP_INCLUDE_START( tag ) ( (tag) & 0x00000100UL )
-
-/**
- * Extract scale factor from setting tag
- *
- * @v tag Setting tag
- * @v scale Scale factor
- */
-#define MEMMAP_SCALE( tag ) ( (tag) & 0x3f )
-
-/** Memory map settings scope */
-static const struct settings_scope memmap_settings_scope;
-
-/**
- * Check applicability of memory map setting
- *
- * @v settings Settings block
- * @v setting Setting
- * @ret applies Setting applies within this settings block
- */
-static int memmap_settings_applies ( struct settings *settings __unused,
- const struct setting *setting ) {
-
- return ( setting->scope == &memmap_settings_scope );
-}
-
-/**
- * Fetch value of memory map setting
- *
- * @v settings Settings block
- * @v setting Setting to fetch
- * @v data Buffer to fill with setting data
- * @v len Length of buffer
- * @ret len Length of setting data, or negative error
- */
-static int memmap_settings_fetch ( struct settings *settings,
- struct setting *setting,
- void *data, size_t len ) {
- struct memory_map memmap;
- struct memory_region *region;
- uint64_t result = 0;
- unsigned int i;
- unsigned int count;
-
- DBGC ( settings, "MEMMAP start %d count %d %s%s%s%s scale %d\n",
- MEMMAP_START ( setting->tag ), MEMMAP_COUNT ( setting->tag ),
- ( MEMMAP_INCLUDE_START ( setting->tag ) ? "start" : "" ),
- ( ( MEMMAP_INCLUDE_START ( setting->tag ) &&
- MEMMAP_INCLUDE_LENGTH ( setting->tag ) ) ? "+" : "" ),
- ( MEMMAP_INCLUDE_LENGTH ( setting->tag ) ? "length" : "" ),
- ( MEMMAP_IGNORE_NONEXISTENT ( setting->tag ) ? " ignore" : "" ),
- MEMMAP_SCALE ( setting->tag ) );
-
- /* Fetch memory map */
- get_memmap ( &memmap );
-
- /* Extract results from memory map */
- count = MEMMAP_COUNT ( setting->tag );
- for ( i = MEMMAP_START ( setting->tag ) ; count-- ; i++ ) {
-
- /* Check that region exists */
- if ( i >= memmap.count ) {
- if ( MEMMAP_IGNORE_NONEXISTENT ( setting->tag ) ) {
- continue;
- } else {
- DBGC ( settings, "MEMMAP region %d does not "
- "exist\n", i );
- return -ENOENT;
- }
- }
-
- /* Extract results from this region */
- region = &memmap.regions[i];
- if ( MEMMAP_INCLUDE_START ( setting->tag ) ) {
- result += region->start;
- DBGC ( settings, "MEMMAP %d start %08llx\n",
- i, region->start );
- }
- if ( MEMMAP_INCLUDE_LENGTH ( setting->tag ) ) {
- result += ( region->end - region->start );
- DBGC ( settings, "MEMMAP %d length %08llx\n",
- i, ( region->end - region->start ) );
- }
- }
-
- /* Scale result */
- result >>= MEMMAP_SCALE ( setting->tag );
-
- /* Return result */
- result = cpu_to_be64 ( result );
- if ( len > sizeof ( result ) )
- len = sizeof ( result );
- memcpy ( data, &result, len );
-
- /* Set type if not already specified */
- if ( ! setting->type )
- setting->type = &setting_type_hexraw;
-
- return sizeof ( result );
-}
-
-/** Memory map settings operations */
-static struct settings_operations memmap_settings_operations = {
- .applies = memmap_settings_applies,
- .fetch = memmap_settings_fetch,
-};
-
-/** Memory map settings */
-static struct settings memmap_settings = {
- .refcnt = NULL,
- .siblings = LIST_HEAD_INIT ( memmap_settings.siblings ),
- .children = LIST_HEAD_INIT ( memmap_settings.children ),
- .op = &memmap_settings_operations,
- .default_scope = &memmap_settings_scope,
-};
-
-/** Initialise memory map settings */
-static void memmap_settings_init ( void ) {
- int rc;
-
- if ( ( rc = register_settings ( &memmap_settings, NULL,
- "memmap" ) ) != 0 ) {
- DBG ( "MEMMAP could not register settings: %s\n",
- strerror ( rc ) );
- return;
- }
-}
-
-/** Memory map settings initialiser */
-struct init_fn memmap_settings_init_fn __init_fn ( INIT_NORMAL ) = {
- .initialise = memmap_settings_init,
-};
-
-/** Memory map predefined settings */
-const struct setting memsize_setting __setting ( SETTING_MISC, memsize ) = {
- .name = "memsize",
- .description = "Memory size (in MB)",
- .tag = MEMMAP_TAG ( 0, 0x100, 0, 1, 1, 20 ),
- .type = &setting_type_int32,
- .scope = &memmap_settings_scope,
-};