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Re: [Qemu-devel] [PATCH v3 03/13] tests: acpi: make pointer to RSDP 64bi
From: |
Wei Yang |
Subject: |
Re: [Qemu-devel] [PATCH v3 03/13] tests: acpi: make pointer to RSDP 64bit |
Date: |
Thu, 25 Apr 2019 15:31:42 +0800 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Thu, Apr 25, 2019 at 07:34:39AM +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>
>---
>v2:
> - s/In case of UEFI/In case of UEFI,/ (Laszlo Ersek <address@hidden>)
>---
> 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 2ee044c..c29dcf4 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);
Ok, I think this is the reason you change the second parameter from uint32_t
to uint64_t in 1st patch.
Maybe we need to move that on to this one?
>
>- 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
Help you, Help me
- Re: [Qemu-devel] [PATCH v3 08/13] tests: acpi: add a way to start tests with UEFI firmware, (continued)
- [Qemu-devel] [PATCH v3 07/13] tests: acpi: add acpi_find_rsdp_address_uefi() helper, Igor Mammedov, 2019/04/25
- [Qemu-devel] [PATCH v3 06/13] tests: acpi: move boot_sector_init() into x86 tests branch, Igor Mammedov, 2019/04/25
- [Qemu-devel] [PATCH v3 05/13] tests: acpi: skip FACS table if board uses hw reduced ACPI profile, Igor Mammedov, 2019/04/25
- [Qemu-devel] [PATCH v3 04/13] tests: acpi: fetch X_DSDT if pointer to DSDT is 0, Igor Mammedov, 2019/04/25
- [Qemu-devel] [PATCH v3 03/13] tests: acpi: make pointer to RSDP 64bit, Igor Mammedov, 2019/04/25
- Re: [Qemu-devel] [PATCH v3 03/13] tests: acpi: make pointer to RSDP 64bit,
Wei Yang <=
- [Qemu-devel] [PATCH v3 02/13] tests: acpi: rename acpi_parse_rsdp_table() into acpi_fetch_rsdp_table(), Igor Mammedov, 2019/04/25
- [Qemu-devel] [PATCH v3 01/13] tests: acpi: make RSDT test routine handle XSDT, Igor Mammedov, 2019/04/25