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libqos: Generalize I/O-mapped fw_cfg

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Provide a constructor that takes the base address in addition to the
PC-specific one.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1372254743-15808-12-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Markus Armbruster 2013-06-26 15:52:22 +02:00 • committed by Anthony Liguori
parent f88dc7dd4d
commit 26491a388c
7 changed files with 35 additions and 63 deletions
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26
tests/libqos/fw_cfg.c
View file

@ -79,3 +79,29 @@ QFWCFG *mm_fw_cfg_init(uint64_t base)
return fw_cfg;
}
static void io_fw_cfg_select(QFWCFG *fw_cfg, uint16_t key)
{
outw(fw_cfg->base, key);
}
static void io_fw_cfg_read(QFWCFG *fw_cfg, void *data, size_t len)
{
uint8_t *ptr = data;
int i;
for (i = 0; i < len; i++) {
ptr[i] = inb(fw_cfg->base + 1);
}
}
QFWCFG *io_fw_cfg_init(uint16_t base)
{
QFWCFG *fw_cfg = g_malloc0(sizeof(*fw_cfg));
fw_cfg->base = base;
fw_cfg->select = io_fw_cfg_select;
fw_cfg->read = io_fw_cfg_read;
return fw_cfg;
}