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hw/i386: Implement fw_cfg_arch_key_name()

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Implement fw_cfg_arch_key_name(), which returns the name of a
i386-specific key.

Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20190422195020.1494-5-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2019-04-22 15:50:25 +02:00
parent 87abaa5d8c
commit bd3f680f66
2 changed files with 39 additions and 1 deletions
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2
hw/i386/Makefile.objs
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@ -3,7 +3,7 @@ obj-y += multiboot.o
obj-y += pc.o
obj-$(CONFIG_I440FX) += pc_piix.o
obj-$(CONFIG_Q35) += pc_q35.o
obj-y += pc_sysfw.o
obj-y += fw_cfg.o pc_sysfw.o
obj-y += x86-iommu.o
obj-$(CONFIG_VTD) += intel_iommu.o
obj-$(CONFIG_AMD_IOMMU) += amd_iommu.o

38
hw/i386/fw_cfg.c Normal file
View File

@ -0,0 +1,38 @@
/*
* QEMU fw_cfg helpers (X86 specific)
*
* Copyright (c) 2019 Red Hat, Inc.
*
* Author:
* Philippe Mathieu-Daudé <philmd@redhat.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "hw/i386/fw_cfg.h"
#include "hw/nvram/fw_cfg.h"
const char *fw_cfg_arch_key_name(uint16_t key)
{
static const struct {
uint16_t key;
const char *name;
} fw_cfg_arch_wellknown_keys[] = {
{FW_CFG_ACPI_TABLES, "acpi_tables"},
{FW_CFG_SMBIOS_ENTRIES, "smbios_entries"},
{FW_CFG_IRQ0_OVERRIDE, "irq0_override"},
{FW_CFG_E820_TABLE, "e820_table"},
{FW_CFG_HPET, "hpet"},
};
for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
if (fw_cfg_arch_wellknown_keys[i].key == key) {
return fw_cfg_arch_wellknown_keys[i].name;
}
}
return NULL;
}