41 lines
778 B
C
41 lines
778 B
C
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/*
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* libqos fw_cfg support for PC
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*
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* Copyright IBM, Corp. 2012-2013
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "libqos/fw_cfg-pc.h"
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#include "libqtest.h"
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#include <glib.h>
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static void pc_fw_cfg_select(QFWCFG *fw_cfg, uint16_t key)
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{
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outw(0x510, key);
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}
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static void pc_fw_cfg_read(QFWCFG *fw_cfg, void *data, size_t len)
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{
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uint8_t *ptr = data;
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int i;
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for (i = 0; i < len; i++) {
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ptr[i] = inb(0x511);
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}
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}
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QFWCFG *pc_fw_cfg_init(void)
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{
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QFWCFG *fw_cfg = g_malloc0(sizeof(*fw_cfg));
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fw_cfg->select = pc_fw_cfg_select;
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fw_cfg->read = pc_fw_cfg_read;
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return fw_cfg;
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}
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