1a63e059de
The fw_cfg ABI is Little Endian, so byte-swap the generically read byte array to host endianness. This unbreaks the fw_cfg tests on ppc. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Message-id: 1367167547-19931-1-git-send-email-afaerber@suse.de Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/*
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* libqos fw_cfg support
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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.h"
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#include "qemu/bswap.h"
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void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key)
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{
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fw_cfg->select(fw_cfg, key);
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}
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void qfw_cfg_read_data(QFWCFG *fw_cfg, void *data, size_t len)
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{
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fw_cfg->read(fw_cfg, data, len);
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}
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void qfw_cfg_get(QFWCFG *fw_cfg, uint16_t key, void *data, size_t len)
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{
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qfw_cfg_select(fw_cfg, key);
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qfw_cfg_read_data(fw_cfg, data, len);
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}
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uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key)
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{
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uint16_t value;
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qfw_cfg_get(fw_cfg, key, &value, sizeof(value));
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return le16_to_cpu(value);
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}
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uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key)
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{
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uint32_t value;
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qfw_cfg_get(fw_cfg, key, &value, sizeof(value));
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return le32_to_cpu(value);
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}
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uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key)
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{
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uint64_t value;
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qfw_cfg_get(fw_cfg, key, &value, sizeof(value));
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return le64_to_cpu(value);
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}
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