On 02/01/2015 04:10, Kevin O'Connor wrote:
> On Thu, Jan 01, 2015 at 09:27:46PM +0100, Paolo Bonzini wrote:
>> For legacy VGA modes that do not set the VBE_DISPI_ENABLED bit,
>> bochsvga_get_linelength returns 0. Thus all characters are squashed
>> into the first scanline. Fix this by falling back to stdvga for
>> the legacy modes.
> [...]
>> +static u8
>> +bochsvga_dispi_enabled(void)
>> +{
>> + if (!GET_GLOBAL(dispi_found))
>> + return 0;
>> + u16 en = dispi_read(VBE_DISPI_INDEX_ENABLE);
>> + if (!(en & VBE_DISPI_ENABLED))
>> + return 0;
>> + return 1;
>> +}
>
> Thanks. Can the existing is_bochsvga_mode() function be used instead?
Yes, but this matches what bochsvga_save/restore_state are already doing.
Paolo
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