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[PATCH v3 19/35] acpi: build_waet: use acpi_table_begin()/acpi_table_end
From: |
Igor Mammedov |
Subject: |
[PATCH v3 19/35] acpi: build_waet: use acpi_table_begin()/acpi_table_end() instead of build_header() |
Date: |
Tue, 7 Sep 2021 10:47:58 -0400 |
it replaces error-prone pointer arithmetic for build_header() API,
with 2 calls to start and finish table creation,
which hides offsets magic from API user.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
v3:
* s/acpi_init_table|acpi_table_composed/acpi_table_begin|acpi_table_end/
CC: marcel.apfelbaum@gmail.com
---
hw/i386/acpi-build.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 2875c4f393..45724469b0 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2201,10 +2201,10 @@ static void
build_waet(GArray *table_data, BIOSLinker *linker, const char *oem_id,
const char *oem_table_id)
{
- int waet_start = table_data->len;
+ AcpiTable table = { .sig = "WAET", .rev = 1, .oem_id = oem_id,
+ .oem_table_id = oem_table_id };
- /* WAET header */
- acpi_data_push(table_data, sizeof(AcpiTableHeader));
+ acpi_table_begin(&table, table_data);
/*
* Set "ACPI PM timer good" flag.
*
@@ -2213,9 +2213,7 @@ build_waet(GArray *table_data, BIOSLinker *linker, const
char *oem_id,
* Which avoids costly VMExits caused by guest re-reading it unnecessarily.
*/
build_append_int_noprefix(table_data, 1 << 1 /* ACPI PM timer good */, 4);
-
- build_header(linker, table_data, (void *)(table_data->data + waet_start),
- "WAET", table_data->len - waet_start, 1, oem_id,
oem_table_id);
+ acpi_table_end(linker, &table);
}
/*
--
2.27.0
- Re: [PATCH v3 16/35] acpi: arm/x86: build_srat: use acpi_table_begin()/acpi_table_end() instead of build_header(), (continued)
- [PATCH v3 19/35] acpi: build_waet: use acpi_table_begin()/acpi_table_end() instead of build_header(),
Igor Mammedov <=
- [PATCH v3 21/35] acpi: madt: arm/x86: use acpi_table_begin()/acpi_table_end() instead of build_header(), Igor Mammedov, 2021/09/07
- [PATCH v3 20/35] acpi: build_amd_iommu: use acpi_table_begin()/acpi_table_end() instead of build_header(), Igor Mammedov, 2021/09/07
- [PATCH v3 23/35] acpi: x86: set enabled when composing _MAT entries, Igor Mammedov, 2021/09/07
- [PATCH v3 24/35] acpi: x86: madt: use build_append_int_noprefix() API to compose MADT table, Igor Mammedov, 2021/09/07