Re: [Qemu-devel] [PATCH 04/14] tests: acpi: make pointer to RSDP 64bit

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 1/15/19 4:40 PM, Igor Mammedov wrote:
> In case of UEFI RSDP doesn't have to be located in lowmem,
> it could be placed at any address. Make sure that test won't
> break if it is placed above the first 4Gb of address space.
> 
> PS:
> While at it cleanup some local variables as we don't really
> need them.

Splitting as obvious patches make review quicker, but it's a matter of
taste.

> 
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> ---
>  tests/bios-tables-test.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c
> index 99d7bf8..c28c5c7 100644
> --- a/tests/bios-tables-test.c
> +++ b/tests/bios-tables-test.c
> @@ -26,7 +26,7 @@
>  typedef struct {
>      const char *machine;
>      const char *variant;
> -    uint32_t rsdp_addr;
> +    uint64_t rsdp_addr;
>      uint8_t rsdp_table[36 /* ACPI 2.0+ RSDP size */];
>      GArray *tables;
>      uint32_t smbios_ep_addr;
> @@ -86,13 +86,11 @@ static void test_acpi_rsdp_address(test_data *data)
>  
>  static void test_acpi_rsdp_table(test_data *data)
>  {
> -    uint8_t *rsdp_table = data->rsdp_table, revision;
> -    uint32_t addr = data->rsdp_addr;
> +    uint8_t *rsdp_table = data->rsdp_table;
>  
> -    acpi_fetch_rsdp_table(data->qts, addr, rsdp_table);
> -    revision = rsdp_table[15 /* Revision offset */];
> +    acpi_fetch_rsdp_table(data->qts, data->rsdp_addr, rsdp_table);
>  
> -    switch (revision) {
> +    switch (rsdp_table[15 /* Revision offset */]) {
>      case 0: /* ACPI 1.0 RSDP */
>          /* With rev 1, checksum is only for the first 20 bytes */
>          g_assert(!acpi_calc_checksum(rsdp_table,  20));
>