Re: [Qemu-devel] [PATCH v4 04/15] tests: acpi: make pointer to RSDP 64bit

[Wei Yang]

On Thu, May 02, 2019 at 04:51:52PM +0200, 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.
>
>Signed-off-by: Igor Mammedov <address@hidden>
>Reviewed-by: Philippe Mathieu-Daudé <address@hidden>

Reviewed-by: Wei Yang <address@hidden>

>---
>v4:
> - move acpi_fetch_rsdp_table(s/uint32_t addr/uint64_t addr/) to
>   this patch where it belongs from
>   "tests: acpi: make RSDT test routine handle XSDT"
>   (Wei Yang <address@hidden>)
>v2:
>  - s/In case of UEFI/In case of UEFI,/ (Laszlo Ersek <address@hidden>)
>---
> tests/acpi-utils.h       |  2 +-
> tests/acpi-utils.c       |  2 +-
> tests/bios-tables-test.c | 10 ++++------
> 3 files changed, 6 insertions(+), 8 deletions(-)
>
>diff --git a/tests/acpi-utils.h b/tests/acpi-utils.h
>index f55ccf9..1da6c10 100644
>--- a/tests/acpi-utils.h
>+++ b/tests/acpi-utils.h
>@@ -46,7 +46,7 @@ typedef struct {
> 
> uint8_t acpi_calc_checksum(const uint8_t *data, int len);
> uint32_t acpi_find_rsdp_address(QTestState *qts);
>-void acpi_fetch_rsdp_table(QTestState *qts, uint32_t addr, uint8_t 
>*rsdp_table);
>+void acpi_fetch_rsdp_table(QTestState *qts, uint64_t addr, uint8_t 
>*rsdp_table);
> void acpi_fetch_table(QTestState *qts, uint8_t **aml, uint32_t *aml_len,
>                       const uint8_t *addr_ptr, int addr_size, const char *sig,
>                       bool verify_checksum);
>diff --git a/tests/acpi-utils.c b/tests/acpi-utils.c
>index a0d49c4..c216b9e 100644
>--- a/tests/acpi-utils.c
>+++ b/tests/acpi-utils.c
>@@ -51,7 +51,7 @@ uint32_t acpi_find_rsdp_address(QTestState *qts)
>     return off;
> }
> 
>-void acpi_fetch_rsdp_table(QTestState *qts, uint32_t addr, uint8_t 
>*rsdp_table)
>+void acpi_fetch_rsdp_table(QTestState *qts, uint64_t addr, uint8_t 
>*rsdp_table)
> {
>     uint8_t revision;
> 
>diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c
>index d6ab121..a164d27 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));
>-- 
>2.7.4

-- 
Wei Yang
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